1 // Copyright (C) 2007-2013 CEA/DEN, EDF R&D
3 // This library is free software; you can redistribute it and/or
4 // modify it under the terms of the GNU Lesser General Public
5 // License as published by the Free Software Foundation; either
6 // version 2.1 of the License.
8 // This library is distributed in the hope that it will be useful,
9 // but WITHOUT ANY WARRANTY; without even the implied warranty of
10 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
11 // Lesser General Public License for more details.
13 // You should have received a copy of the GNU Lesser General Public
14 // License along with this library; if not, write to the Free Software
15 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
17 // See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
19 // Author : Anthony Geay (CEA/DEN)
21 #include "MEDCouplingUMesh.hxx"
22 #include "MEDCoupling1GTUMesh.hxx"
23 #include "MEDCouplingMemArray.txx"
24 #include "MEDCouplingFieldDouble.hxx"
25 #include "CellModel.hxx"
26 #include "VolSurfUser.txx"
27 #include "InterpolationUtils.hxx"
28 #include "PointLocatorAlgos.txx"
30 #include "BBTreeDst.txx"
31 #include "SplitterTetra.hxx"
32 #include "DirectedBoundingBox.hxx"
33 #include "InterpKernelMatrixTools.hxx"
34 #include "InterpKernelMeshQuality.hxx"
35 #include "InterpKernelCellSimplify.hxx"
36 #include "InterpKernelGeo2DEdgeArcCircle.hxx"
37 #include "InterpKernelAutoPtr.hxx"
38 #include "InterpKernelGeo2DNode.hxx"
39 #include "InterpKernelGeo2DEdgeLin.hxx"
40 #include "InterpKernelGeo2DEdgeArcCircle.hxx"
41 #include "InterpKernelGeo2DQuadraticPolygon.hxx"
50 using namespace ParaMEDMEM;
52 double MEDCouplingUMesh::EPS_FOR_POLYH_ORIENTATION=1.e-14;
54 const INTERP_KERNEL::NormalizedCellType MEDCouplingUMesh::MEDMEM_ORDER[N_MEDMEM_ORDER] = { INTERP_KERNEL::NORM_POINT1, INTERP_KERNEL::NORM_SEG2, INTERP_KERNEL::NORM_SEG3, INTERP_KERNEL::NORM_SEG4, INTERP_KERNEL::NORM_POLYL, INTERP_KERNEL::NORM_TRI3, INTERP_KERNEL::NORM_QUAD4, INTERP_KERNEL::NORM_TRI6, INTERP_KERNEL::NORM_TRI7, INTERP_KERNEL::NORM_QUAD8, INTERP_KERNEL::NORM_QUAD9, INTERP_KERNEL::NORM_POLYGON, INTERP_KERNEL::NORM_QPOLYG, INTERP_KERNEL::NORM_TETRA4, INTERP_KERNEL::NORM_PYRA5, INTERP_KERNEL::NORM_PENTA6, INTERP_KERNEL::NORM_HEXA8, INTERP_KERNEL::NORM_HEXGP12, INTERP_KERNEL::NORM_TETRA10, INTERP_KERNEL::NORM_PYRA13, INTERP_KERNEL::NORM_PENTA15, INTERP_KERNEL::NORM_HEXA20, INTERP_KERNEL::NORM_HEXA27, INTERP_KERNEL::NORM_POLYHED };
56 MEDCouplingUMesh *MEDCouplingUMesh::New()
58 return new MEDCouplingUMesh;
61 MEDCouplingUMesh *MEDCouplingUMesh::New(const char *meshName, int meshDim)
63 MEDCouplingUMesh *ret=new MEDCouplingUMesh;
64 ret->setName(meshName);
65 ret->setMeshDimension(meshDim);
70 * Returns a new MEDCouplingMesh which is a full copy of \a this one. No data is shared
71 * between \a this and the new mesh.
72 * \return MEDCouplingMesh * - a new instance of MEDCouplingMesh. The caller is to
73 * delete this mesh using decrRef() as it is no more needed.
75 MEDCouplingMesh *MEDCouplingUMesh::deepCpy() const
81 * Returns a new MEDCouplingMesh which is a copy of \a this one.
82 * \param [in] recDeepCpy - if \a true, the copy is deep, else all data arrays of \a
83 * this mesh are shared by the new mesh.
84 * \return MEDCouplingMesh * - a new instance of MEDCouplingMesh. The caller is to
85 * delete this mesh using decrRef() as it is no more needed.
87 MEDCouplingUMesh *MEDCouplingUMesh::clone(bool recDeepCpy) const
89 return new MEDCouplingUMesh(*this,recDeepCpy);
93 * This method behaves mostly like MEDCouplingUMesh::deepCpy method, except that only nodal connectivity arrays are deeply copied.
94 * The coordinates are shared between \a this and the returned instance.
96 * \return MEDCouplingUMesh * - A new object instance holding the copy of \a this (deep for connectivity, shallow for coordiantes)
97 * \sa MEDCouplingUMesh::deepCpy
99 MEDCouplingPointSet *MEDCouplingUMesh::deepCpyConnectivityOnly() const
101 checkConnectivityFullyDefined();
102 MEDCouplingAutoRefCountObjectPtr<MEDCouplingUMesh> ret=clone(false);
103 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> c(getNodalConnectivity()->deepCpy()),ci(getNodalConnectivityIndex()->deepCpy());
104 ret->setConnectivity(c,ci);
108 void MEDCouplingUMesh::shallowCopyConnectivityFrom(const MEDCouplingPointSet *other)
111 throw INTERP_KERNEL::Exception("MEDCouplingUMesh::shallowCopyConnectivityFrom : input pointer is null !");
112 const MEDCouplingUMesh *otherC=dynamic_cast<const MEDCouplingUMesh *>(other);
114 throw INTERP_KERNEL::Exception("MEDCouplingUMesh::shallowCopyConnectivityFrom : input pointer is not an MEDCouplingUMesh instance !");
115 MEDCouplingUMesh *otherC2=const_cast<MEDCouplingUMesh *>(otherC);//sorry :(
116 setConnectivity(otherC2->getNodalConnectivity(),otherC2->getNodalConnectivityIndex(),true);
119 std::size_t MEDCouplingUMesh::getHeapMemorySizeWithoutChildren() const
121 std::size_t ret(MEDCouplingPointSet::getHeapMemorySizeWithoutChildren());
125 std::vector<const BigMemoryObject *> MEDCouplingUMesh::getDirectChildren() const
127 std::vector<const BigMemoryObject *> ret(MEDCouplingPointSet::getDirectChildren());
129 ret.push_back(_nodal_connec);
130 if(_nodal_connec_index)
131 ret.push_back(_nodal_connec_index);
135 void MEDCouplingUMesh::updateTime() const
137 MEDCouplingPointSet::updateTime();
140 updateTimeWith(*_nodal_connec);
142 if(_nodal_connec_index)
144 updateTimeWith(*_nodal_connec_index);
148 MEDCouplingUMesh::MEDCouplingUMesh():_mesh_dim(-2),_nodal_connec(0),_nodal_connec_index(0)
153 * Checks if \a this mesh is well defined. If no exception is thrown by this method,
154 * then \a this mesh is most probably is writable, exchangeable and available for most
155 * of algorithms. When a mesh is constructed from scratch, it is a good habit to call
156 * this method to check that all is in order with \a this mesh.
157 * \throw If the mesh dimension is not set.
158 * \throw If the coordinates array is not set (if mesh dimension != -1 ).
159 * \throw If \a this mesh contains elements of dimension different from the mesh dimension.
160 * \throw If the connectivity data array has more than one component.
161 * \throw If the connectivity data array has a named component.
162 * \throw If the connectivity index data array has more than one component.
163 * \throw If the connectivity index data array has a named component.
165 void MEDCouplingUMesh::checkCoherency() const
168 throw INTERP_KERNEL::Exception("No mesh dimension specified !");
170 MEDCouplingPointSet::checkCoherency();
171 for(std::set<INTERP_KERNEL::NormalizedCellType>::const_iterator iter=_types.begin();iter!=_types.end();iter++)
173 if((int)INTERP_KERNEL::CellModel::GetCellModel(*iter).getDimension()!=_mesh_dim)
175 std::ostringstream message;
176 message << "Mesh invalid because dimension is " << _mesh_dim << " and there is presence of cell(s) with type " << (*iter);
177 throw INTERP_KERNEL::Exception(message.str().c_str());
182 if(_nodal_connec->getNumberOfComponents()!=1)
183 throw INTERP_KERNEL::Exception("Nodal connectivity array is expected to be with number of components set to one !");
184 if(_nodal_connec->getInfoOnComponent(0)!="")
185 throw INTERP_KERNEL::Exception("Nodal connectivity array is expected to have no info on its single component !");
189 throw INTERP_KERNEL::Exception("Nodal connectivity array is not defined !");
190 if(_nodal_connec_index)
192 if(_nodal_connec_index->getNumberOfComponents()!=1)
193 throw INTERP_KERNEL::Exception("Nodal connectivity index array is expected to be with number of components set to one !");
194 if(_nodal_connec_index->getInfoOnComponent(0)!="")
195 throw INTERP_KERNEL::Exception("Nodal connectivity index array is expected to have no info on its single component !");
199 throw INTERP_KERNEL::Exception("Nodal connectivity index array is not defined !");
203 * Checks if \a this mesh is well defined. If no exception is thrown by this method,
204 * then \a this mesh is most probably is writable, exchangeable and available for all
205 * algorithms. <br> In addition to the checks performed by checkCoherency(), this
206 * method thoroughly checks the nodal connectivity.
207 * \param [in] eps - a not used parameter.
208 * \throw If the mesh dimension is not set.
209 * \throw If the coordinates array is not set (if mesh dimension != -1 ).
210 * \throw If \a this mesh contains elements of dimension different from the mesh dimension.
211 * \throw If the connectivity data array has more than one component.
212 * \throw If the connectivity data array has a named component.
213 * \throw If the connectivity index data array has more than one component.
214 * \throw If the connectivity index data array has a named component.
215 * \throw If number of nodes defining an element does not correspond to the type of element.
216 * \throw If the nodal connectivity includes an invalid node id.
218 void MEDCouplingUMesh::checkCoherency1(double eps) const
223 int meshDim=getMeshDimension();
224 int nbOfNodes=getNumberOfNodes();
225 int nbOfCells=getNumberOfCells();
226 const int *ptr=_nodal_connec->getConstPointer();
227 const int *ptrI=_nodal_connec_index->getConstPointer();
228 for(int i=0;i<nbOfCells;i++)
230 const INTERP_KERNEL::CellModel& cm=INTERP_KERNEL::CellModel::GetCellModel((INTERP_KERNEL::NormalizedCellType)ptr[ptrI[i]]);
231 if((int)cm.getDimension()!=meshDim)
233 std::ostringstream oss;
234 oss << "MEDCouplingUMesh::checkCoherency1 : cell << #" << i<< " with type Type " << cm.getRepr() << " in 'this' whereas meshdim == " << meshDim << " !";
235 throw INTERP_KERNEL::Exception(oss.str().c_str());
237 int nbOfNodesInCell=ptrI[i+1]-ptrI[i]-1;
239 if(nbOfNodesInCell!=(int)cm.getNumberOfNodes())
241 std::ostringstream oss;
242 oss << "MEDCouplingUMesh::checkCoherency1 : cell #" << i << " with static Type '" << cm.getRepr() << "' has " << cm.getNumberOfNodes();
243 oss << " nodes whereas in connectivity there is " << nbOfNodesInCell << " nodes ! Looks very bad !";
244 throw INTERP_KERNEL::Exception(oss.str().c_str());
246 for(const int *w=ptr+ptrI[i]+1;w!=ptr+ptrI[i+1];w++)
251 if(nodeId>=nbOfNodes)
253 std::ostringstream oss; oss << "Cell #" << i << " is consituted of node #" << nodeId << " whereas there are only " << nbOfNodes << " nodes !";
254 throw INTERP_KERNEL::Exception(oss.str().c_str());
259 std::ostringstream oss; oss << "Cell #" << i << " is consituted of node #" << nodeId << " in connectivity ! sounds bad !";
260 throw INTERP_KERNEL::Exception(oss.str().c_str());
264 if((INTERP_KERNEL::NormalizedCellType)(ptr[ptrI[i]])!=INTERP_KERNEL::NORM_POLYHED)
266 std::ostringstream oss; oss << "Cell #" << i << " is consituted of node #-1 in connectivity ! sounds bad !";
267 throw INTERP_KERNEL::Exception(oss.str().c_str());
276 * Checks if \a this mesh is well defined. If no exception is thrown by this method,
277 * then \a this mesh is most probably is writable, exchangeable and available for all
278 * algorithms. <br> This method performs the same checks as checkCoherency1() does.
279 * \param [in] eps - a not used parameter.
280 * \throw If the mesh dimension is not set.
281 * \throw If the coordinates array is not set (if mesh dimension != -1 ).
282 * \throw If \a this mesh contains elements of dimension different from the mesh dimension.
283 * \throw If the connectivity data array has more than one component.
284 * \throw If the connectivity data array has a named component.
285 * \throw If the connectivity index data array has more than one component.
286 * \throw If the connectivity index data array has a named component.
287 * \throw If number of nodes defining an element does not correspond to the type of element.
288 * \throw If the nodal connectivity includes an invalid node id.
290 void MEDCouplingUMesh::checkCoherency2(double eps) const
292 checkCoherency1(eps);
296 * Sets dimension of \a this mesh. The mesh dimension in general depends on types of
297 * elements contained in the mesh. For more info on the mesh dimension see
298 * \ref MEDCouplingUMeshPage.
299 * \param [in] meshDim - a new mesh dimension.
300 * \throw If \a meshDim is invalid. A valid range is <em> -1 <= meshDim <= 3</em>.
302 void MEDCouplingUMesh::setMeshDimension(int meshDim)
304 if(meshDim<-1 || meshDim>3)
305 throw INTERP_KERNEL::Exception("Invalid meshDim specified ! Must be greater or equal to -1 and lower or equal to 3 !");
311 * Allocates memory to store an estimation of the given number of cells. Closer is the estimation to the number of cells effectively inserted,
312 * less will be the needs to realloc. If the number of cells to be inserted is not known simply put 0 to this parameter.
313 * If a nodal connectivity previouly existed before the call of this method, it will be reset.
315 * \param [in] nbOfCells - estimation of the number of cell \a this mesh will contain.
317 * \ref medcouplingcppexamplesUmeshStdBuild1 "Here is a C++ example".<br>
318 * \ref medcouplingpyexamplesUmeshStdBuild1 "Here is a Python example".
320 void MEDCouplingUMesh::allocateCells(int nbOfCells)
323 throw INTERP_KERNEL::Exception("MEDCouplingUMesh::allocateCells : the input number of cells should be >= 0 !");
324 if(_nodal_connec_index)
326 _nodal_connec_index->decrRef();
330 _nodal_connec->decrRef();
332 _nodal_connec_index=DataArrayInt::New();
333 _nodal_connec_index->reserve(nbOfCells+1);
334 _nodal_connec_index->pushBackSilent(0);
335 _nodal_connec=DataArrayInt::New();
336 _nodal_connec->reserve(2*nbOfCells);
342 * Appends a cell to the connectivity array. For deeper understanding what is
343 * happening see \ref MEDCouplingUMeshNodalConnectivity.
344 * \param [in] type - type of cell to add.
345 * \param [in] size - number of nodes constituting this cell.
346 * \param [in] nodalConnOfCell - the connectivity of the cell to add.
348 * \ref medcouplingcppexamplesUmeshStdBuild1 "Here is a C++ example".<br>
349 * \ref medcouplingpyexamplesUmeshStdBuild1 "Here is a Python example".
351 void MEDCouplingUMesh::insertNextCell(INTERP_KERNEL::NormalizedCellType type, int size, const int *nodalConnOfCell)
353 const INTERP_KERNEL::CellModel& cm=INTERP_KERNEL::CellModel::GetCellModel(type);
354 if(_nodal_connec_index==0)
355 throw INTERP_KERNEL::Exception("MEDCouplingUMesh::insertNextCell : nodal connectivity not set ! invoke allocateCells before calling insertNextCell !");
356 if((int)cm.getDimension()==_mesh_dim)
359 if(size!=(int)cm.getNumberOfNodes())
361 std::ostringstream oss; oss << "MEDCouplingUMesh::insertNextCell : Trying to push a " << cm.getRepr() << " cell with a size of " << size;
362 oss << " ! Expecting " << cm.getNumberOfNodes() << " !";
363 throw INTERP_KERNEL::Exception(oss.str().c_str());
365 int idx=_nodal_connec_index->back();
367 _nodal_connec_index->pushBackSilent(val);
368 _nodal_connec->writeOnPlace(idx,type,nodalConnOfCell,size);
373 std::ostringstream oss; oss << "MEDCouplingUMesh::insertNextCell : cell type " << cm.getRepr() << " has a dimension " << cm.getDimension();
374 oss << " whereas Mesh Dimension of current UMesh instance is set to " << _mesh_dim << " ! Please invoke \"setMeshDimension\" method before or invoke ";
375 oss << "\"MEDCouplingUMesh::New\" static method with 2 parameters name and meshDimension !";
376 throw INTERP_KERNEL::Exception(oss.str().c_str());
381 * Compacts data arrays to release unused memory. This method is to be called after
382 * finishing cell insertion using \a this->insertNextCell().
384 * \ref medcouplingcppexamplesUmeshStdBuild1 "Here is a C++ example".<br>
385 * \ref medcouplingpyexamplesUmeshStdBuild1 "Here is a Python example".
387 void MEDCouplingUMesh::finishInsertingCells()
389 _nodal_connec->pack();
390 _nodal_connec_index->pack();
391 _nodal_connec->declareAsNew();
392 _nodal_connec_index->declareAsNew();
397 * Entry point for iteration over cells of this. Warning the returned cell iterator should be deallocated.
398 * Useful for python users.
400 MEDCouplingUMeshCellIterator *MEDCouplingUMesh::cellIterator()
402 return new MEDCouplingUMeshCellIterator(this);
406 * Entry point for iteration over cells groups geo types per geotypes. Warning the returned cell iterator should be deallocated.
407 * If \a this is not so that that cells are grouped by geo types this method will throw an exception.
408 * In this case MEDCouplingUMesh::sortCellsInMEDFileFrmt or MEDCouplingUMesh::rearrange2ConsecutiveCellTypes methods for example can be called before invoking this method.
409 * Useful for python users.
411 MEDCouplingUMeshCellByTypeEntry *MEDCouplingUMesh::cellsByType()
413 if(!checkConsecutiveCellTypes())
414 throw INTERP_KERNEL::Exception("MEDCouplingUMesh::cellsByType : this mesh is not sorted by type !");
415 return new MEDCouplingUMeshCellByTypeEntry(this);
419 * Returns a set of all cell types available in \a this mesh.
420 * \return std::set<INTERP_KERNEL::NormalizedCellType> - the set of cell types.
421 * \warning this method does not throw any exception even if \a this is not defined.
422 * \sa MEDCouplingUMesh::getAllGeoTypesSorted
424 std::set<INTERP_KERNEL::NormalizedCellType> MEDCouplingUMesh::getAllGeoTypes() const
430 * This method returns the sorted list of geometric types in \a this.
431 * Sorted means in the same order than the cells in \a this. A single entry in return vector means the maximal chunk of consecutive cells in \a this
432 * having the same geometric type. So a same geometric type can appear more than once if the cells are not sorted per geometric type.
434 * \throw if connectivity in \a this is not correctly defined.
436 * \sa MEDCouplingMesh::getAllGeoTypes
438 std::vector<INTERP_KERNEL::NormalizedCellType> MEDCouplingUMesh::getAllGeoTypesSorted() const
440 std::vector<INTERP_KERNEL::NormalizedCellType> ret;
441 checkConnectivityFullyDefined();
442 int nbOfCells(getNumberOfCells());
445 if(getMeshLength()<1)
446 throw INTERP_KERNEL::Exception("MEDCouplingUMesh::getAllGeoTypesSorted : the connectivity in this seems invalid !");
447 const int *c(_nodal_connec->begin()),*ci(_nodal_connec_index->begin());
448 ret.push_back((INTERP_KERNEL::NormalizedCellType)c[*ci++]);
449 for(int i=1;i<nbOfCells;i++,ci++)
450 if(ret.back()!=((INTERP_KERNEL::NormalizedCellType)c[*ci]))
451 ret.push_back((INTERP_KERNEL::NormalizedCellType)c[*ci]);
456 * This method is a method that compares \a this and \a other.
457 * This method compares \b all attributes, even names and component names.
459 bool MEDCouplingUMesh::isEqualIfNotWhy(const MEDCouplingMesh *other, double prec, std::string& reason) const
462 throw INTERP_KERNEL::Exception("MEDCouplingUMesh::isEqualIfNotWhy : input other pointer is null !");
463 std::ostringstream oss; oss.precision(15);
464 const MEDCouplingUMesh *otherC=dynamic_cast<const MEDCouplingUMesh *>(other);
467 reason="mesh given in input is not castable in MEDCouplingUMesh !";
470 if(!MEDCouplingPointSet::isEqualIfNotWhy(other,prec,reason))
472 if(_mesh_dim!=otherC->_mesh_dim)
474 oss << "umesh dimension mismatch : this mesh dimension=" << _mesh_dim << " other mesh dimension=" << otherC->_mesh_dim;
478 if(_types!=otherC->_types)
480 oss << "umesh geometric type mismatch :\nThis geometric types are :";
481 for(std::set<INTERP_KERNEL::NormalizedCellType>::const_iterator iter=_types.begin();iter!=_types.end();iter++)
482 { const INTERP_KERNEL::CellModel& cm=INTERP_KERNEL::CellModel::GetCellModel(*iter); oss << cm.getRepr() << ", "; }
483 oss << "\nOther geometric types are :";
484 for(std::set<INTERP_KERNEL::NormalizedCellType>::const_iterator iter=otherC->_types.begin();iter!=otherC->_types.end();iter++)
485 { const INTERP_KERNEL::CellModel& cm=INTERP_KERNEL::CellModel::GetCellModel(*iter); oss << cm.getRepr() << ", "; }
489 if(_nodal_connec!=0 || otherC->_nodal_connec!=0)
490 if(_nodal_connec==0 || otherC->_nodal_connec==0)
492 reason="Only one UMesh between the two this and other has its nodal connectivity DataArrayInt defined !";
495 if(_nodal_connec!=otherC->_nodal_connec)
496 if(!_nodal_connec->isEqualIfNotWhy(*otherC->_nodal_connec,reason))
498 reason.insert(0,"Nodal connectivity DataArrayInt differ : ");
501 if(_nodal_connec_index!=0 || otherC->_nodal_connec_index!=0)
502 if(_nodal_connec_index==0 || otherC->_nodal_connec_index==0)
504 reason="Only one UMesh between the two this and other has its nodal connectivity index DataArrayInt defined !";
507 if(_nodal_connec_index!=otherC->_nodal_connec_index)
508 if(!_nodal_connec_index->isEqualIfNotWhy(*otherC->_nodal_connec_index,reason))
510 reason.insert(0,"Nodal connectivity index DataArrayInt differ : ");
517 * Checks if data arrays of this mesh (node coordinates, nodal
518 * connectivity of cells, etc) of two meshes are same. Textual data like name etc. are
520 * \param [in] other - the mesh to compare with.
521 * \param [in] prec - precision value used to compare node coordinates.
522 * \return bool - \a true if the two meshes are same.
524 bool MEDCouplingUMesh::isEqualWithoutConsideringStr(const MEDCouplingMesh *other, double prec) const
526 const MEDCouplingUMesh *otherC=dynamic_cast<const MEDCouplingUMesh *>(other);
529 if(!MEDCouplingPointSet::isEqualWithoutConsideringStr(other,prec))
531 if(_mesh_dim!=otherC->_mesh_dim)
533 if(_types!=otherC->_types)
535 if(_nodal_connec!=0 || otherC->_nodal_connec!=0)
536 if(_nodal_connec==0 || otherC->_nodal_connec==0)
538 if(_nodal_connec!=otherC->_nodal_connec)
539 if(!_nodal_connec->isEqualWithoutConsideringStr(*otherC->_nodal_connec))
541 if(_nodal_connec_index!=0 || otherC->_nodal_connec_index!=0)
542 if(_nodal_connec_index==0 || otherC->_nodal_connec_index==0)
544 if(_nodal_connec_index!=otherC->_nodal_connec_index)
545 if(!_nodal_connec_index->isEqualWithoutConsideringStr(*otherC->_nodal_connec_index))
551 * Checks if \a this and \a other meshes are geometrically equivalent with high
552 * probability, else an exception is thrown. The meshes are considered equivalent if
553 * (1) meshes contain the same number of nodes and the same number of elements of the
554 * same types (2) three cells of the two meshes (first, last and middle) are based
555 * on coincident nodes (with a specified precision).
556 * \param [in] other - the mesh to compare with.
557 * \param [in] prec - the precision used to compare nodes of the two meshes.
558 * \throw If the two meshes do not match.
560 void MEDCouplingUMesh::checkFastEquivalWith(const MEDCouplingMesh *other, double prec) const
562 MEDCouplingPointSet::checkFastEquivalWith(other,prec);
563 const MEDCouplingUMesh *otherC=dynamic_cast<const MEDCouplingUMesh *>(other);
565 throw INTERP_KERNEL::Exception("MEDCouplingUMesh::checkFastEquivalWith : Two meshes are not not unstructured !");
569 * Returns the reverse nodal connectivity. The reverse nodal connectivity enumerates
570 * cells each node belongs to.
571 * \warning For speed reasons, this method does not check if node ids in the nodal
572 * connectivity correspond to the size of node coordinates array.
573 * \param [in,out] revNodal - an array holding ids of cells sharing each node.
574 * \param [in,out] revNodalIndx - an array, of length \a this->getNumberOfNodes() + 1,
575 * dividing cell ids in \a revNodal into groups each referring to one
576 * node. Its every element (except the last one) is an index pointing to the
577 * first id of a group of cells. For example cells sharing the node #1 are
578 * described by following range of indices:
579 * [ \a revNodalIndx[1], \a revNodalIndx[2] ) and the cell ids are
580 * \a revNodal[ \a revNodalIndx[1] ], \a revNodal[ \a revNodalIndx[1] + 1], ...
581 * Number of cells sharing the *i*-th node is
582 * \a revNodalIndx[ *i*+1 ] - \a revNodalIndx[ *i* ].
583 * \throw If the coordinates array is not set.
584 * \throw If the nodal connectivity of cells is not defined.
586 * \ref cpp_mcumesh_getReverseNodalConnectivity "Here is a C++ example".<br>
587 * \ref py_mcumesh_getReverseNodalConnectivity "Here is a Python example".
589 void MEDCouplingUMesh::getReverseNodalConnectivity(DataArrayInt *revNodal, DataArrayInt *revNodalIndx) const
592 int nbOfNodes=getNumberOfNodes();
593 int *revNodalIndxPtr=(int *)malloc((nbOfNodes+1)*sizeof(int));
594 revNodalIndx->useArray(revNodalIndxPtr,true,C_DEALLOC,nbOfNodes+1,1);
595 std::fill(revNodalIndxPtr,revNodalIndxPtr+nbOfNodes+1,0);
596 const int *conn=_nodal_connec->getConstPointer();
597 const int *connIndex=_nodal_connec_index->getConstPointer();
598 int nbOfCells=getNumberOfCells();
599 int nbOfEltsInRevNodal=0;
600 for(int eltId=0;eltId<nbOfCells;eltId++)
602 const int *strtNdlConnOfCurCell=conn+connIndex[eltId]+1;
603 const int *endNdlConnOfCurCell=conn+connIndex[eltId+1];
604 for(const int *iter=strtNdlConnOfCurCell;iter!=endNdlConnOfCurCell;iter++)
605 if(*iter>=0)//for polyhedrons
607 nbOfEltsInRevNodal++;
608 revNodalIndxPtr[(*iter)+1]++;
611 std::transform(revNodalIndxPtr+1,revNodalIndxPtr+nbOfNodes+1,revNodalIndxPtr,revNodalIndxPtr+1,std::plus<int>());
612 int *revNodalPtr=(int *)malloc((nbOfEltsInRevNodal)*sizeof(int));
613 revNodal->useArray(revNodalPtr,true,C_DEALLOC,nbOfEltsInRevNodal,1);
614 std::fill(revNodalPtr,revNodalPtr+nbOfEltsInRevNodal,-1);
615 for(int eltId=0;eltId<nbOfCells;eltId++)
617 const int *strtNdlConnOfCurCell=conn+connIndex[eltId]+1;
618 const int *endNdlConnOfCurCell=conn+connIndex[eltId+1];
619 for(const int *iter=strtNdlConnOfCurCell;iter!=endNdlConnOfCurCell;iter++)
620 if(*iter>=0)//for polyhedrons
621 *std::find_if(revNodalPtr+revNodalIndxPtr[*iter],revNodalPtr+revNodalIndxPtr[*iter+1],std::bind2nd(std::equal_to<int>(),-1))=eltId;
627 int MEDCouplingFastNbrer(int id, unsigned nb, const INTERP_KERNEL::CellModel& cm, bool compute, const int *conn1, const int *conn2)
632 int MEDCouplingOrientationSensitiveNbrer(int id, unsigned nb, const INTERP_KERNEL::CellModel& cm, bool compute, const int *conn1, const int *conn2)
638 if(cm.getOrientationStatus(nb,conn1,conn2))
645 class MinusOneSonsGenerator
648 MinusOneSonsGenerator(const INTERP_KERNEL::CellModel& cm):_cm(cm) { }
649 unsigned getNumberOfSons2(const int *conn, int lgth) const { return _cm.getNumberOfSons2(conn,lgth); }
650 unsigned fillSonCellNodalConnectivity2(int sonId, const int *nodalConn, int lgth, int *sonNodalConn, INTERP_KERNEL::NormalizedCellType& typeOfSon) const { return _cm.fillSonCellNodalConnectivity2(sonId,nodalConn,lgth,sonNodalConn,typeOfSon); }
651 static const int DELTA=1;
653 const INTERP_KERNEL::CellModel& _cm;
656 class MinusOneSonsGeneratorBiQuadratic
659 MinusOneSonsGeneratorBiQuadratic(const INTERP_KERNEL::CellModel& cm):_cm(cm) { }
660 unsigned getNumberOfSons2(const int *conn, int lgth) const { return _cm.getNumberOfSons2(conn,lgth); }
661 unsigned fillSonCellNodalConnectivity2(int sonId, const int *nodalConn, int lgth, int *sonNodalConn, INTERP_KERNEL::NormalizedCellType& typeOfSon) const { return _cm.fillSonCellNodalConnectivity4(sonId,nodalConn,lgth,sonNodalConn,typeOfSon); }
662 static const int DELTA=1;
664 const INTERP_KERNEL::CellModel& _cm;
667 class MinusTwoSonsGenerator
670 MinusTwoSonsGenerator(const INTERP_KERNEL::CellModel& cm):_cm(cm) { }
671 unsigned getNumberOfSons2(const int *conn, int lgth) const { return _cm.getNumberOfEdgesIn3D(conn,lgth); }
672 unsigned fillSonCellNodalConnectivity2(int sonId, const int *nodalConn, int lgth, int *sonNodalConn, INTERP_KERNEL::NormalizedCellType& typeOfSon) const { return _cm.fillSonEdgesNodalConnectivity3D(sonId,nodalConn,lgth,sonNodalConn,typeOfSon); }
673 static const int DELTA=2;
675 const INTERP_KERNEL::CellModel& _cm;
681 * Creates a new MEDCouplingUMesh containing cells, of dimension one less than \a
682 * this->getMeshDimension(), that bound cells of \a this mesh. In addition arrays
683 * describing correspondence between cells of \a this and the result meshes are
684 * returned. The arrays \a desc and \a descIndx describe the descending connectivity,
685 * i.e. enumerate cells of the result mesh bounding each cell of \a this mesh. The
686 * arrays \a revDesc and \a revDescIndx describe the reverse descending connectivity,
687 * i.e. enumerate cells of \a this mesh bounded by each cell of the result mesh.
688 * \warning For speed reasons, this method does not check if node ids in the nodal
689 * connectivity correspond to the size of node coordinates array.
690 * \warning Cells of the result mesh are \b not sorted by geometric type, hence,
691 * to write this mesh to the MED file, its cells must be sorted using
692 * sortCellsInMEDFileFrmt().
693 * \param [in,out] desc - the array containing cell ids of the result mesh bounding
694 * each cell of \a this mesh.
695 * \param [in,out] descIndx - the array, of length \a this->getNumberOfCells() + 1,
696 * dividing cell ids in \a desc into groups each referring to one
697 * cell of \a this mesh. Its every element (except the last one) is an index
698 * pointing to the first id of a group of cells. For example cells of the
699 * result mesh bounding the cell #1 of \a this mesh are described by following
701 * [ \a descIndx[1], \a descIndx[2] ) and the cell ids are
702 * \a desc[ \a descIndx[1] ], \a desc[ \a descIndx[1] + 1], ...
703 * Number of cells of the result mesh sharing the *i*-th cell of \a this mesh is
704 * \a descIndx[ *i*+1 ] - \a descIndx[ *i* ].
705 * \param [in,out] revDesc - the array containing cell ids of \a this mesh bounded
706 * by each cell of the result mesh.
707 * \param [in,out] revDescIndx - the array, of length one more than number of cells
708 * in the result mesh,
709 * dividing cell ids in \a revDesc into groups each referring to one
710 * cell of the result mesh the same way as \a descIndx divides \a desc.
711 * \return MEDCouplingUMesh * - a new instance of MEDCouplingUMesh. The caller is to
712 * delete this mesh using decrRef() as it is no more needed.
713 * \throw If the coordinates array is not set.
714 * \throw If the nodal connectivity of cells is node defined.
715 * \throw If \a desc == NULL || \a descIndx == NULL || \a revDesc == NULL || \a
716 * revDescIndx == NULL.
718 * \ref cpp_mcumesh_buildDescendingConnectivity "Here is a C++ example".<br>
719 * \ref py_mcumesh_buildDescendingConnectivity "Here is a Python example".
720 * \sa buildDescendingConnectivity2()
722 MEDCouplingUMesh *MEDCouplingUMesh::buildDescendingConnectivity(DataArrayInt *desc, DataArrayInt *descIndx, DataArrayInt *revDesc, DataArrayInt *revDescIndx) const
724 return buildDescendingConnectivityGen<MinusOneSonsGenerator>(desc,descIndx,revDesc,revDescIndx,MEDCouplingFastNbrer);
728 * \a this has to have a mesh dimension equal to 3. If it is not the case an INTERP_KERNEL::Exception will be thrown.
729 * This behaves exactly as MEDCouplingUMesh::buildDescendingConnectivity does except that this method compute directly the transition from mesh dimension 3 to sub edges (dimension 1)
730 * in one shot. That is to say that this method is equivalent to 2 successive calls to MEDCouplingUMesh::buildDescendingConnectivity.
731 * This method returns 4 arrays and a mesh as MEDCouplingUMesh::buildDescendingConnectivity does.
732 * \sa MEDCouplingUMesh::buildDescendingConnectivity
734 MEDCouplingUMesh *MEDCouplingUMesh::explode3DMeshTo1D(DataArrayInt *desc, DataArrayInt *descIndx, DataArrayInt *revDesc, DataArrayInt *revDescIndx) const
737 if(getMeshDimension()!=3)
738 throw INTERP_KERNEL::Exception("MEDCouplingUMesh::explode3DMeshTo1D : This has to have a mesh dimension to 3 !");
739 return buildDescendingConnectivityGen<MinusTwoSonsGenerator>(desc,descIndx,revDesc,revDescIndx,MEDCouplingFastNbrer);
743 * Creates a new MEDCouplingUMesh containing cells, of dimension one less than \a
744 * this->getMeshDimension(), that bound cells of \a this mesh. In
745 * addition arrays describing correspondence between cells of \a this and the result
746 * meshes are returned. The arrays \a desc and \a descIndx describe the descending
747 * connectivity, i.e. enumerate cells of the result mesh bounding each cell of \a this
748 * mesh. This method differs from buildDescendingConnectivity() in that apart
749 * from cell ids, \a desc returns mutual orientation of cells in \a this and the
750 * result meshes. So a positive id means that order of nodes in corresponding cells
751 * of two meshes is same, and a negative id means a reverse order of nodes. Since a
752 * cell with id #0 can't be negative, the array \a desc returns ids in FORTRAN mode,
753 * i.e. cell ids are one-based.
754 * Arrays \a revDesc and \a revDescIndx describe the reverse descending connectivity,
755 * i.e. enumerate cells of \a this mesh bounded by each cell of the result mesh.
756 * \warning For speed reasons, this method does not check if node ids in the nodal
757 * connectivity correspond to the size of node coordinates array.
758 * \warning Cells of the result mesh are \b not sorted by geometric type, hence,
759 * to write this mesh to the MED file, its cells must be sorted using
760 * sortCellsInMEDFileFrmt().
761 * \param [in,out] desc - the array containing cell ids of the result mesh bounding
762 * each cell of \a this mesh.
763 * \param [in,out] descIndx - the array, of length \a this->getNumberOfCells() + 1,
764 * dividing cell ids in \a desc into groups each referring to one
765 * cell of \a this mesh. Its every element (except the last one) is an index
766 * pointing to the first id of a group of cells. For example cells of the
767 * result mesh bounding the cell #1 of \a this mesh are described by following
769 * [ \a descIndx[1], \a descIndx[2] ) and the cell ids are
770 * \a desc[ \a descIndx[1] ], \a desc[ \a descIndx[1] + 1], ...
771 * Number of cells of the result mesh sharing the *i*-th cell of \a this mesh is
772 * \a descIndx[ *i*+1 ] - \a descIndx[ *i* ].
773 * \param [in,out] revDesc - the array containing cell ids of \a this mesh bounded
774 * by each cell of the result mesh.
775 * \param [in,out] revDescIndx - the array, of length one more than number of cells
776 * in the result mesh,
777 * dividing cell ids in \a revDesc into groups each referring to one
778 * cell of the result mesh the same way as \a descIndx divides \a desc.
779 * \return MEDCouplingUMesh * - a new instance of MEDCouplingUMesh. This result mesh
780 * shares the node coordinates array with \a this mesh. The caller is to
781 * delete this mesh using decrRef() as it is no more needed.
782 * \throw If the coordinates array is not set.
783 * \throw If the nodal connectivity of cells is node defined.
784 * \throw If \a desc == NULL || \a descIndx == NULL || \a revDesc == NULL || \a
785 * revDescIndx == NULL.
787 * \ref cpp_mcumesh_buildDescendingConnectivity2 "Here is a C++ example".<br>
788 * \ref py_mcumesh_buildDescendingConnectivity2 "Here is a Python example".
789 * \sa buildDescendingConnectivity()
791 MEDCouplingUMesh *MEDCouplingUMesh::buildDescendingConnectivity2(DataArrayInt *desc, DataArrayInt *descIndx, DataArrayInt *revDesc, DataArrayInt *revDescIndx) const
793 return buildDescendingConnectivityGen<MinusOneSonsGenerator>(desc,descIndx,revDesc,revDescIndx,MEDCouplingOrientationSensitiveNbrer);
797 * \b WARNING this method do the assumption that connectivity lies on the coordinates set.
798 * For speed reasons no check of this will be done. This method calls MEDCouplingUMesh::buildDescendingConnectivity to compute the result.
799 * This method lists cell by cell in \b this which are its neighbors. To compute the result only connectivities are considered.
800 * The a cell with id 'cellId' its neighbors are neighbors[neighborsIndx[cellId]:neighborsIndx[cellId+1]].
802 * \param [out] neighbors is an array storing all the neighbors of all cells in \b this. This array is newly allocated and should be dealt by the caller. \b neighborsIndx 2nd output
803 * parameter allows to select the right part in this array. The number of tuples is equal to the last values in \b neighborsIndx.
804 * \param [out] neighborsIndx is an array of size this->getNumberOfCells()+1 newly allocated and should be dealt by the caller. This arrays allow to use the first output parameter \b neighbors.
806 void MEDCouplingUMesh::computeNeighborsOfCells(DataArrayInt *&neighbors, DataArrayInt *&neighborsIndx) const
808 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> desc=DataArrayInt::New();
809 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> descIndx=DataArrayInt::New();
810 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> revDesc=DataArrayInt::New();
811 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> revDescIndx=DataArrayInt::New();
812 MEDCouplingAutoRefCountObjectPtr<MEDCouplingUMesh> meshDM1=buildDescendingConnectivity(desc,descIndx,revDesc,revDescIndx);
814 ComputeNeighborsOfCellsAdv(desc,descIndx,revDesc,revDescIndx,neighbors,neighborsIndx);
818 * This method is called by MEDCouplingUMesh::computeNeighborsOfCells. This methods performs the algorithm of MEDCouplingUMesh::computeNeighborsOfCells.
819 * This method is useful for users that want to reduce along a criterion the set of neighbours cell. This is typically the case to extract a set a neighbours,
820 * excluding a set of meshdim-1 cells in input descending connectivity.
821 * Typically \b desc, \b descIndx, \b revDesc and \b revDescIndx input params are the result of MEDCouplingUMesh::buildDescendingConnectivity.
822 * This method lists cell by cell in \b this which are its neighbors. To compute the result only connectivities are considered.
823 * The a cell with id 'cellId' its neighbors are neighbors[neighborsIndx[cellId]:neighborsIndx[cellId+1]].
825 * \param [in] desc descending connectivity array.
826 * \param [in] descIndx descending connectivity index array used to walk through \b desc.
827 * \param [in] revDesc reverse descending connectivity array.
828 * \param [in] revDescIndx reverse descending connectivity index array used to walk through \b revDesc.
829 * \param [out] neighbors is an array storing all the neighbors of all cells in \b this. This array is newly allocated and should be dealt by the caller. \b neighborsIndx 2nd output
830 * parameter allows to select the right part in this array. The number of tuples is equal to the last values in \b neighborsIndx.
831 * \param [out] neighborsIndx is an array of size this->getNumberOfCells()+1 newly allocated and should be dealt by the caller. This arrays allow to use the first output parameter \b neighbors.
833 void MEDCouplingUMesh::ComputeNeighborsOfCellsAdv(const DataArrayInt *desc, const DataArrayInt *descIndx, const DataArrayInt *revDesc, const DataArrayInt *revDescIndx,
834 DataArrayInt *&neighbors, DataArrayInt *&neighborsIndx) throw(INTERP_KERNEL::Exception)
836 if(!desc || !descIndx || !revDesc || !revDescIndx)
837 throw INTERP_KERNEL::Exception("MEDCouplingUMesh::ComputeNeighborsOfCellsAdv some input array is empty !");
838 const int *descPtr=desc->getConstPointer();
839 const int *descIPtr=descIndx->getConstPointer();
840 const int *revDescPtr=revDesc->getConstPointer();
841 const int *revDescIPtr=revDescIndx->getConstPointer();
843 int nbCells=descIndx->getNumberOfTuples()-1;
844 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> out0=DataArrayInt::New();
845 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> out1=DataArrayInt::New(); out1->alloc(nbCells+1,1);
846 int *out1Ptr=out1->getPointer();
848 out0->reserve(desc->getNumberOfTuples());
849 for(int i=0;i<nbCells;i++,descIPtr++,out1Ptr++)
851 for(const int *w1=descPtr+descIPtr[0];w1!=descPtr+descIPtr[1];w1++)
853 std::set<int> s(revDescPtr+revDescIPtr[*w1],revDescPtr+revDescIPtr[(*w1)+1]);
855 out0->insertAtTheEnd(s.begin(),s.end());
857 *out1Ptr=out0->getNumberOfTuples();
859 neighbors=out0.retn();
860 neighborsIndx=out1.retn();
866 * \b WARNING this method do the assumption that connectivity lies on the coordinates set.
867 * For speed reasons no check of this will be done.
869 template<class SonsGenerator>
870 MEDCouplingUMesh *MEDCouplingUMesh::buildDescendingConnectivityGen(DataArrayInt *desc, DataArrayInt *descIndx, DataArrayInt *revDesc, DataArrayInt *revDescIndx, DimM1DescNbrer nbrer) const
872 if(!desc || !descIndx || !revDesc || !revDescIndx)
873 throw INTERP_KERNEL::Exception("MEDCouplingUMesh::buildDescendingConnectivityGen : present of a null pointer in input !");
874 checkConnectivityFullyDefined();
875 int nbOfCells=getNumberOfCells();
876 int nbOfNodes=getNumberOfNodes();
877 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> revNodalIndx=DataArrayInt::New(); revNodalIndx->alloc(nbOfNodes+1,1); revNodalIndx->fillWithZero();
878 int *revNodalIndxPtr=revNodalIndx->getPointer();
879 const int *conn=_nodal_connec->getConstPointer();
880 const int *connIndex=_nodal_connec_index->getConstPointer();
881 std::string name="Mesh constituent of "; name+=getName();
882 MEDCouplingAutoRefCountObjectPtr<MEDCouplingUMesh> ret=MEDCouplingUMesh::New(name.c_str(),getMeshDimension()-SonsGenerator::DELTA);
883 ret->setCoords(getCoords());
884 ret->allocateCells(2*nbOfCells);
885 descIndx->alloc(nbOfCells+1,1);
886 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> revDesc2(DataArrayInt::New()); revDesc2->reserve(2*nbOfCells);
887 int *descIndxPtr=descIndx->getPointer(); *descIndxPtr++=0;
888 for(int eltId=0;eltId<nbOfCells;eltId++,descIndxPtr++)
890 int pos=connIndex[eltId];
891 int posP1=connIndex[eltId+1];
892 const INTERP_KERNEL::CellModel& cm=INTERP_KERNEL::CellModel::GetCellModel((INTERP_KERNEL::NormalizedCellType)conn[pos]);
893 SonsGenerator sg(cm);
894 unsigned nbOfSons=sg.getNumberOfSons2(conn+pos+1,posP1-pos-1);
895 INTERP_KERNEL::AutoPtr<int> tmp=new int[posP1-pos];
896 for(unsigned i=0;i<nbOfSons;i++)
898 INTERP_KERNEL::NormalizedCellType cmsId;
899 unsigned nbOfNodesSon=sg.fillSonCellNodalConnectivity2(i,conn+pos+1,posP1-pos-1,tmp,cmsId);
900 for(unsigned k=0;k<nbOfNodesSon;k++)
902 revNodalIndxPtr[tmp[k]+1]++;
903 ret->insertNextCell(cmsId,nbOfNodesSon,tmp);
904 revDesc2->pushBackSilent(eltId);
906 descIndxPtr[0]=descIndxPtr[-1]+(int)nbOfSons;
908 int nbOfCellsM1=ret->getNumberOfCells();
909 std::transform(revNodalIndxPtr+1,revNodalIndxPtr+nbOfNodes+1,revNodalIndxPtr,revNodalIndxPtr+1,std::plus<int>());
910 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> revNodal=DataArrayInt::New(); revNodal->alloc(revNodalIndx->back(),1);
911 std::fill(revNodal->getPointer(),revNodal->getPointer()+revNodalIndx->back(),-1);
912 int *revNodalPtr=revNodal->getPointer();
913 const int *connM1=ret->getNodalConnectivity()->getConstPointer();
914 const int *connIndexM1=ret->getNodalConnectivityIndex()->getConstPointer();
915 for(int eltId=0;eltId<nbOfCellsM1;eltId++)
917 const int *strtNdlConnOfCurCell=connM1+connIndexM1[eltId]+1;
918 const int *endNdlConnOfCurCell=connM1+connIndexM1[eltId+1];
919 for(const int *iter=strtNdlConnOfCurCell;iter!=endNdlConnOfCurCell;iter++)
920 if(*iter>=0)//for polyhedrons
921 *std::find_if(revNodalPtr+revNodalIndxPtr[*iter],revNodalPtr+revNodalIndxPtr[*iter+1],std::bind2nd(std::equal_to<int>(),-1))=eltId;
924 DataArrayInt *commonCells=0,*commonCellsI=0;
925 FindCommonCellsAlg(3,0,ret->getNodalConnectivity(),ret->getNodalConnectivityIndex(),revNodal,revNodalIndx,commonCells,commonCellsI);
926 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> commonCellsTmp(commonCells),commonCellsITmp(commonCellsI);
927 const int *commonCellsPtr(commonCells->getConstPointer()),*commonCellsIPtr(commonCellsI->getConstPointer());
928 int newNbOfCellsM1=-1;
929 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> o2nM1=DataArrayInt::BuildOld2NewArrayFromSurjectiveFormat2(nbOfCellsM1,commonCells->begin(),
930 commonCellsI->begin(),commonCellsI->end(),newNbOfCellsM1);
931 std::vector<bool> isImpacted(nbOfCellsM1,false);
932 for(const int *work=commonCellsI->begin();work!=commonCellsI->end()-1;work++)
933 for(int work2=work[0];work2!=work[1];work2++)
934 isImpacted[commonCellsPtr[work2]]=true;
935 const int *o2nM1Ptr=o2nM1->getConstPointer();
936 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> n2oM1=o2nM1->invertArrayO2N2N2OBis(newNbOfCellsM1);
937 const int *n2oM1Ptr=n2oM1->getConstPointer();
938 MEDCouplingAutoRefCountObjectPtr<MEDCouplingUMesh> ret2=static_cast<MEDCouplingUMesh *>(ret->buildPartOfMySelf(n2oM1->begin(),n2oM1->end(),true));
939 ret2->copyTinyInfoFrom(this);
940 desc->alloc(descIndx->back(),1);
941 int *descPtr=desc->getPointer();
942 const INTERP_KERNEL::CellModel& cmsDft=INTERP_KERNEL::CellModel::GetCellModel(INTERP_KERNEL::NORM_POINT1);
943 for(int i=0;i<nbOfCellsM1;i++,descPtr++)
946 *descPtr=nbrer(o2nM1Ptr[i],0,cmsDft,false,0,0);
949 if(i!=n2oM1Ptr[o2nM1Ptr[i]])
951 const INTERP_KERNEL::CellModel& cms=INTERP_KERNEL::CellModel::GetCellModel((INTERP_KERNEL::NormalizedCellType)connM1[connIndexM1[i]]);
952 *descPtr=nbrer(o2nM1Ptr[i],connIndexM1[i+1]-connIndexM1[i]-1,cms,true,connM1+connIndexM1[n2oM1Ptr[o2nM1Ptr[i]]]+1,connM1+connIndexM1[i]+1);
955 *descPtr=nbrer(o2nM1Ptr[i],0,cmsDft,false,0,0);
958 revDesc->reserve(newNbOfCellsM1);
959 revDescIndx->alloc(newNbOfCellsM1+1,1);
960 int *revDescIndxPtr=revDescIndx->getPointer(); *revDescIndxPtr++=0;
961 const int *revDesc2Ptr=revDesc2->getConstPointer();
962 for(int i=0;i<newNbOfCellsM1;i++,revDescIndxPtr++)
964 int oldCellIdM1=n2oM1Ptr[i];
965 if(!isImpacted[oldCellIdM1])
967 revDesc->pushBackSilent(revDesc2Ptr[oldCellIdM1]);
968 revDescIndxPtr[0]=revDescIndxPtr[-1]+1;
972 for(int j=commonCellsIPtr[0];j<commonCellsIPtr[1];j++)
973 revDesc->pushBackSilent(revDesc2Ptr[commonCellsPtr[j]]);
974 revDescIndxPtr[0]=revDescIndxPtr[-1]+commonCellsIPtr[1]-commonCellsIPtr[0];
982 struct MEDCouplingAccVisit
984 MEDCouplingAccVisit():_new_nb_of_nodes(0) { }
985 int operator()(int val) { if(val!=-1) return _new_nb_of_nodes++; else return -1; }
986 int _new_nb_of_nodes;
992 * Converts specified cells to either polygons (if \a this is a 2D mesh) or
993 * polyhedrons (if \a this is a 3D mesh). The cells to convert are specified by an
994 * array of cell ids. Pay attention that after conversion all algorithms work slower
995 * with \a this mesh than before conversion. <br> If an exception is thrown during the
996 * conversion due presence of invalid ids in the array of cells to convert, as a
997 * result \a this mesh contains some already converted elements. In this case the 2D
998 * mesh remains valid but 3D mesh becomes \b inconsistent!
999 * \warning This method can significantly modify the order of geometric types in \a this,
1000 * hence, to write this mesh to the MED file, its cells must be sorted using
1001 * sortCellsInMEDFileFrmt().
1002 * \param [in] cellIdsToConvertBg - the array holding ids of cells to convert.
1003 * \param [in] cellIdsToConvertEnd - a pointer to the last-plus-one-th element of \a
1004 * cellIdsToConvertBg.
1005 * \throw If the coordinates array is not set.
1006 * \throw If the nodal connectivity of cells is node defined.
1007 * \throw If dimension of \a this mesh is not either 2 or 3.
1009 * \ref cpp_mcumesh_convertToPolyTypes "Here is a C++ example".<br>
1010 * \ref py_mcumesh_convertToPolyTypes "Here is a Python example".
1012 void MEDCouplingUMesh::convertToPolyTypes(const int *cellIdsToConvertBg, const int *cellIdsToConvertEnd)
1014 checkFullyDefined();
1015 int dim=getMeshDimension();
1017 throw INTERP_KERNEL::Exception("Invalid mesh dimension : must be 2 or 3 !");
1018 int nbOfCells=getNumberOfCells();
1021 const int *connIndex=_nodal_connec_index->getConstPointer();
1022 int *conn=_nodal_connec->getPointer();
1023 for(const int *iter=cellIdsToConvertBg;iter!=cellIdsToConvertEnd;iter++)
1025 if(*iter>=0 && *iter<nbOfCells)
1027 const INTERP_KERNEL::CellModel& cm=INTERP_KERNEL::CellModel::GetCellModel((INTERP_KERNEL::NormalizedCellType)conn[connIndex[*iter]]);
1028 if(!cm.isQuadratic())
1029 conn[connIndex[*iter]]=INTERP_KERNEL::NORM_POLYGON;
1031 conn[connIndex[*iter]]=INTERP_KERNEL::NORM_QPOLYG;
1035 std::ostringstream oss; oss << "MEDCouplingUMesh::convertToPolyTypes : On rank #" << std::distance(cellIdsToConvertBg,iter) << " value is " << *iter << " which is not";
1036 oss << " in range [0," << nbOfCells << ") !";
1037 throw INTERP_KERNEL::Exception(oss.str().c_str());
1043 int *connIndex=_nodal_connec_index->getPointer();
1044 int connIndexLgth=_nodal_connec_index->getNbOfElems();
1045 const int *connOld=_nodal_connec->getConstPointer();
1046 int connOldLgth=_nodal_connec->getNbOfElems();
1047 std::vector<int> connNew(connOld,connOld+connOldLgth);
1048 for(const int *iter=cellIdsToConvertBg;iter!=cellIdsToConvertEnd;iter++)
1050 if(*iter>=0 && *iter<nbOfCells)
1052 int pos=connIndex[*iter];
1053 int posP1=connIndex[(*iter)+1];
1054 int lgthOld=posP1-pos-1;
1055 const INTERP_KERNEL::CellModel& cm=INTERP_KERNEL::CellModel::GetCellModel((INTERP_KERNEL::NormalizedCellType)connNew[pos]);
1056 connNew[pos]=INTERP_KERNEL::NORM_POLYHED;
1057 unsigned nbOfFaces=cm.getNumberOfSons2(&connNew[pos+1],lgthOld);
1058 int *tmp=new int[nbOfFaces*lgthOld];
1060 for(int j=0;j<(int)nbOfFaces;j++)
1062 INTERP_KERNEL::NormalizedCellType type;
1063 unsigned offset=cm.fillSonCellNodalConnectivity2(j,&connNew[pos+1],lgthOld,work,type);
1067 std::size_t newLgth=std::distance(tmp,work)-1;
1068 std::size_t delta=newLgth-lgthOld;
1069 std::transform(connIndex+(*iter)+1,connIndex+connIndexLgth,connIndex+(*iter)+1,std::bind2nd(std::plus<int>(),delta));
1070 connNew.insert(connNew.begin()+posP1,tmp+lgthOld,tmp+newLgth);
1071 std::copy(tmp,tmp+lgthOld,connNew.begin()+pos+1);
1076 std::ostringstream oss; oss << "MEDCouplingUMesh::convertToPolyTypes : On rank #" << std::distance(cellIdsToConvertBg,iter) << " value is " << *iter << " which is not";
1077 oss << " in range [0," << nbOfCells << ") !";
1078 throw INTERP_KERNEL::Exception(oss.str().c_str());
1081 _nodal_connec->alloc((int)connNew.size(),1);
1082 int *newConnPtr=_nodal_connec->getPointer();
1083 std::copy(connNew.begin(),connNew.end(),newConnPtr);
1089 * Converts all cells to either polygons (if \a this is a 2D mesh) or
1090 * polyhedrons (if \a this is a 3D mesh).
1091 * \warning As this method is purely for user-friendliness and no optimization is
1092 * done to avoid construction of a useless vector, this method can be costly
1094 * \throw If the coordinates array is not set.
1095 * \throw If the nodal connectivity of cells is node defined.
1096 * \throw If dimension of \a this mesh is not either 2 or 3.
1098 void MEDCouplingUMesh::convertAllToPoly()
1100 int nbOfCells=getNumberOfCells();
1101 std::vector<int> cellIds(nbOfCells);
1102 for(int i=0;i<nbOfCells;i++)
1104 convertToPolyTypes(&cellIds[0],&cellIds[0]+cellIds.size());
1108 * Fixes nodal connectivity of invalid cells of type NORM_POLYHED. This method
1109 * expects that all NORM_POLYHED cells have connectivity similar to that of prismatic
1110 * volumes like NORM_HEXA8, NORM_PENTA6 etc., i.e. the first half of nodes describes a
1111 * base facet of the volume and the second half of nodes describes an opposite facet
1112 * having the same number of nodes as the base one. This method converts such
1113 * connectivity to a valid polyhedral format where connectivity of each facet is
1114 * explicitly described and connectivity of facets are separated by -1. If \a this mesh
1115 * contains a NORM_POLYHED cell with a valid connectivity, or an invalid connectivity is
1116 * not as expected, an exception is thrown and the mesh remains unchanged. Care of
1117 * a correct orientation of the first facet of a polyhedron, else orientation of a
1118 * corrected cell is reverse.<br>
1119 * This method is useful to build an extruded unstructured mesh with polyhedrons as
1120 * it releases the user from boring description of polyhedra connectivity in the valid
1122 * \throw If \a this->getMeshDimension() != 3.
1123 * \throw If \a this->getSpaceDimension() != 3.
1124 * \throw If the nodal connectivity of cells is not defined.
1125 * \throw If the coordinates array is not set.
1126 * \throw If \a this mesh contains polyhedrons with the valid connectivity.
1127 * \throw If \a this mesh contains polyhedrons with odd number of nodes.
1129 * \ref cpp_mcumesh_arePolyhedronsNotCorrectlyOriented "Here is a C++ example".<br>
1130 * \ref py_mcumesh_arePolyhedronsNotCorrectlyOriented "Here is a Python example".
1132 void MEDCouplingUMesh::convertExtrudedPolyhedra()
1134 checkFullyDefined();
1135 if(getMeshDimension()!=3 || getSpaceDimension()!=3)
1136 throw INTERP_KERNEL::Exception("MEDCouplingUMesh::convertExtrudedPolyhedra works on umeshes with meshdim equal to 3 and spaceDim equal to 3 too!");
1137 int nbOfCells=getNumberOfCells();
1138 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> newCi=DataArrayInt::New();
1139 newCi->alloc(nbOfCells+1,1);
1140 int *newci=newCi->getPointer();
1141 const int *ci=_nodal_connec_index->getConstPointer();
1142 const int *c=_nodal_connec->getConstPointer();
1144 for(int i=0;i<nbOfCells;i++)
1146 INTERP_KERNEL::NormalizedCellType type=(INTERP_KERNEL::NormalizedCellType)c[ci[i]];
1147 if(type==INTERP_KERNEL::NORM_POLYHED)
1149 if(std::count(c+ci[i]+1,c+ci[i+1],-1)!=0)
1151 std::ostringstream oss; oss << "MEDCouplingUMesh::convertExtrudedPolyhedra : cell # " << i << " is a polhedron BUT it has NOT exactly 1 face !";
1152 throw INTERP_KERNEL::Exception(oss.str().c_str());
1154 std::size_t n2=std::distance(c+ci[i]+1,c+ci[i+1]);
1157 std::ostringstream oss; oss << "MEDCouplingUMesh::convertExtrudedPolyhedra : cell # " << i << " is a polhedron with 1 face but there is a mismatch of number of nodes in face should be even !";
1158 throw INTERP_KERNEL::Exception(oss.str().c_str());
1161 newci[i+1]=7*n1+2+newci[i];//6*n1 (nodal length) + n1+2 (number of faces) - 1 (number of '-1' separator is equal to number of faces -1) + 1 (for cell type)
1164 newci[i+1]=(ci[i+1]-ci[i])+newci[i];
1166 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> newC=DataArrayInt::New();
1167 newC->alloc(newci[nbOfCells],1);
1168 int *newc=newC->getPointer();
1169 for(int i=0;i<nbOfCells;i++)
1171 INTERP_KERNEL::NormalizedCellType type=(INTERP_KERNEL::NormalizedCellType)c[ci[i]];
1172 if(type==INTERP_KERNEL::NORM_POLYHED)
1174 std::size_t n1=std::distance(c+ci[i]+1,c+ci[i+1])/2;
1175 newc=std::copy(c+ci[i],c+ci[i]+n1+1,newc);
1177 for(std::size_t j=0;j<n1;j++)
1179 newc[j]=c[ci[i]+1+n1+(n1-j)%n1];
1181 newc[n1+5*j+1]=c[ci[i]+1+j];
1182 newc[n1+5*j+2]=c[ci[i]+1+j+n1];
1183 newc[n1+5*j+3]=c[ci[i]+1+(j+1)%n1+n1];
1184 newc[n1+5*j+4]=c[ci[i]+1+(j+1)%n1];
1189 newc=std::copy(c+ci[i],c+ci[i+1],newc);
1191 _nodal_connec_index->decrRef(); _nodal_connec_index=newCi.retn();
1192 _nodal_connec->decrRef(); _nodal_connec=newC.retn();
1197 * Converts all polygons (if \a this is a 2D mesh) or polyhedrons (if \a this is a 3D
1198 * mesh) to cells of classical types. This method is opposite to convertToPolyTypes().
1199 * \warning Cells of the result mesh are \b not sorted by geometric type, hence,
1200 * to write this mesh to the MED file, its cells must be sorted using
1201 * sortCellsInMEDFileFrmt().
1202 * \return \c true if at least one cell has been converted, \c false else. In the
1203 * last case the nodal connectivity remains unchanged.
1204 * \throw If the coordinates array is not set.
1205 * \throw If the nodal connectivity of cells is not defined.
1206 * \throw If \a this->getMeshDimension() < 0.
1208 bool MEDCouplingUMesh::unPolyze()
1210 checkFullyDefined();
1211 int mdim=getMeshDimension();
1213 throw INTERP_KERNEL::Exception("MEDCouplingUMesh::unPolyze works on umeshes with meshdim equals to 0, 1 2 or 3 !");
1216 int nbOfCells=getNumberOfCells();
1219 int initMeshLgth=getMeshLength();
1220 int *conn=_nodal_connec->getPointer();
1221 int *index=_nodal_connec_index->getPointer();
1226 for(int i=0;i<nbOfCells;i++)
1228 lgthOfCurCell=index[i+1]-posOfCurCell;
1229 INTERP_KERNEL::NormalizedCellType type=(INTERP_KERNEL::NormalizedCellType)conn[posOfCurCell];
1230 const INTERP_KERNEL::CellModel& cm=INTERP_KERNEL::CellModel::GetCellModel(type);
1231 INTERP_KERNEL::NormalizedCellType newType=INTERP_KERNEL::NORM_ERROR;
1235 switch(cm.getDimension())
1239 INTERP_KERNEL::AutoPtr<int> tmp=new int[lgthOfCurCell-1];
1240 std::copy(conn+posOfCurCell+1,conn+posOfCurCell+lgthOfCurCell,(int *)tmp);
1241 newType=INTERP_KERNEL::CellSimplify::tryToUnPoly2D(cm.isQuadratic(),tmp,lgthOfCurCell-1,conn+newPos+1,newLgth);
1246 int nbOfFaces,lgthOfPolyhConn;
1247 INTERP_KERNEL::AutoPtr<int> zipFullReprOfPolyh=INTERP_KERNEL::CellSimplify::getFullPolyh3DCell(type,conn+posOfCurCell+1,lgthOfCurCell-1,nbOfFaces,lgthOfPolyhConn);
1248 newType=INTERP_KERNEL::CellSimplify::tryToUnPoly3D(zipFullReprOfPolyh,nbOfFaces,lgthOfPolyhConn,conn+newPos+1,newLgth);
1253 newType=(lgthOfCurCell==3)?INTERP_KERNEL::NORM_SEG2:INTERP_KERNEL::NORM_POLYL;
1257 ret=ret || (newType!=type);
1258 conn[newPos]=newType;
1260 posOfCurCell=index[i+1];
1265 std::copy(conn+posOfCurCell,conn+posOfCurCell+lgthOfCurCell,conn+newPos);
1266 newPos+=lgthOfCurCell;
1267 posOfCurCell+=lgthOfCurCell;
1271 if(newPos!=initMeshLgth)
1272 _nodal_connec->reAlloc(newPos);
1279 * This method expects that spaceDimension is equal to 3 and meshDimension equal to 3.
1280 * This method performs operation only on polyhedrons in \b this. If no polyhedrons exists in \b this, \b this remains unchanged.
1281 * This method allows to merge if any coplanar 3DSurf cells that may appear in some polyhedrons cells.
1283 * \param [in] eps is a relative precision that allows to establish if some 3D plane are coplanar or not. This epsilon is used to recenter around origin to have maximal
1286 void MEDCouplingUMesh::simplifyPolyhedra(double eps)
1288 checkFullyDefined();
1289 if(getMeshDimension()!=3 || getSpaceDimension()!=3)
1290 throw INTERP_KERNEL::Exception("MEDCouplingUMesh::simplifyPolyhedra : works on meshdimension 3 and spaceDimension 3 !");
1291 MEDCouplingAutoRefCountObjectPtr<DataArrayDouble> coords=getCoords()->deepCpy();
1292 coords->recenterForMaxPrecision(eps);
1294 int nbOfCells=getNumberOfCells();
1295 const int *conn=_nodal_connec->getConstPointer();
1296 const int *index=_nodal_connec_index->getConstPointer();
1297 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> connINew=DataArrayInt::New();
1298 connINew->alloc(nbOfCells+1,1);
1299 int *connINewPtr=connINew->getPointer(); *connINewPtr++=0;
1300 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> connNew=DataArrayInt::New(); connNew->alloc(0,1);
1302 for(int i=0;i<nbOfCells;i++,connINewPtr++)
1304 if(conn[index[i]]==(int)INTERP_KERNEL::NORM_POLYHED)
1306 SimplifyPolyhedronCell(eps,coords,conn+index[i],conn+index[i+1],connNew);
1310 connNew->insertAtTheEnd(conn+index[i],conn+index[i+1]);
1311 *connINewPtr=connNew->getNumberOfTuples();
1314 setConnectivity(connNew,connINew,false);
1318 * This method returns all node ids used in \b this. The data array returned has to be dealt by the caller.
1319 * The returned node ids are sortes ascendingly. This method is closed to MEDCouplingUMesh::getNodeIdsInUse except
1320 * the format of returned DataArrayInt instance.
1322 * \return a newly allocated DataArrayInt sorted ascendingly of fetched node ids.
1323 * \sa MEDCouplingUMesh::getNodeIdsInUse
1325 DataArrayInt *MEDCouplingUMesh::computeFetchedNodeIds() const
1327 checkConnectivityFullyDefined();
1328 int nbOfCells=getNumberOfCells();
1329 const int *connIndex=_nodal_connec_index->getConstPointer();
1330 const int *conn=_nodal_connec->getConstPointer();
1331 const int *maxEltPt=std::max_element(_nodal_connec->begin(),_nodal_connec->end());
1332 int maxElt=maxEltPt==_nodal_connec->end()?0:std::abs(*maxEltPt)+1;
1333 std::vector<bool> retS(maxElt,false);
1334 for(int i=0;i<nbOfCells;i++)
1335 for(int j=connIndex[i]+1;j<connIndex[i+1];j++)
1339 for(int i=0;i<maxElt;i++)
1342 DataArrayInt *ret=DataArrayInt::New();
1344 int *retPtr=ret->getPointer();
1345 for(int i=0;i<maxElt;i++)
1352 * \param [in,out] nodeIdsInUse an array of size typically equal to nbOfNodes.
1353 * \sa MEDCouplingUMesh::getNodeIdsInUse
1355 void MEDCouplingUMesh::computeNodeIdsAlg(std::vector<bool>& nodeIdsInUse) const
1357 int nbOfNodes=(int)nodeIdsInUse.size();
1358 int nbOfCells=getNumberOfCells();
1359 const int *connIndex=_nodal_connec_index->getConstPointer();
1360 const int *conn=_nodal_connec->getConstPointer();
1361 for(int i=0;i<nbOfCells;i++)
1362 for(int j=connIndex[i]+1;j<connIndex[i+1];j++)
1365 if(conn[j]<nbOfNodes)
1366 nodeIdsInUse[conn[j]]=true;
1369 std::ostringstream oss; oss << "MEDCouplingUMesh::getNodeIdsInUse : In cell #" << i << " presence of node id " << conn[j] << " not in [0," << nbOfNodes << ") !";
1370 throw INTERP_KERNEL::Exception(oss.str().c_str());
1376 * Finds nodes not used in any cell and returns an array giving a new id to every node
1377 * by excluding the unused nodes, for which the array holds -1. The result array is
1378 * a mapping in "Old to New" mode.
1379 * \param [out] nbrOfNodesInUse - number of node ids present in the nodal connectivity.
1380 * \return DataArrayInt * - a new instance of DataArrayInt. Its length is \a
1381 * this->getNumberOfNodes(). It holds for each node of \a this mesh either -1
1382 * if the node is unused or a new id else. The caller is to delete this
1383 * array using decrRef() as it is no more needed.
1384 * \throw If the coordinates array is not set.
1385 * \throw If the nodal connectivity of cells is not defined.
1386 * \throw If the nodal connectivity includes an invalid id.
1388 * \ref cpp_mcumesh_getNodeIdsInUse "Here is a C++ example".<br>
1389 * \ref py_mcumesh_getNodeIdsInUse "Here is a Python example".
1390 * \sa computeNodeIdsAlg()
1392 DataArrayInt *MEDCouplingUMesh::getNodeIdsInUse(int& nbrOfNodesInUse) const
1395 int nbOfNodes=getNumberOfNodes();
1396 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> ret=DataArrayInt::New();
1397 ret->alloc(nbOfNodes,1);
1398 int *traducer=ret->getPointer();
1399 std::fill(traducer,traducer+nbOfNodes,-1);
1400 int nbOfCells=getNumberOfCells();
1401 const int *connIndex=_nodal_connec_index->getConstPointer();
1402 const int *conn=_nodal_connec->getConstPointer();
1403 for(int i=0;i<nbOfCells;i++)
1404 for(int j=connIndex[i]+1;j<connIndex[i+1];j++)
1407 if(conn[j]<nbOfNodes)
1408 traducer[conn[j]]=1;
1411 std::ostringstream oss; oss << "MEDCouplingUMesh::getNodeIdsInUse : In cell #" << i << " presence of node id " << conn[j] << " not in [0," << nbOfNodes << ") !";
1412 throw INTERP_KERNEL::Exception(oss.str().c_str());
1415 nbrOfNodesInUse=(int)std::count(traducer,traducer+nbOfNodes,1);
1416 std::transform(traducer,traducer+nbOfNodes,traducer,MEDCouplingAccVisit());
1421 * This method returns a newly allocated array containing this->getNumberOfCells() tuples and 1 component.
1422 * For each cell in \b this the number of nodes constituting cell is computed.
1423 * For each polyhedron cell, the sum of the number of nodes of each face constituting polyhedron cell is returned.
1424 * So for pohyhedrons some nodes can be counted several times in the returned result.
1426 * \return a newly allocated array
1427 * \sa MEDCouplingUMesh::computeEffectiveNbOfNodesPerCell
1429 DataArrayInt *MEDCouplingUMesh::computeNbOfNodesPerCell() const
1431 checkConnectivityFullyDefined();
1432 int nbOfCells=getNumberOfCells();
1433 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> ret=DataArrayInt::New();
1434 ret->alloc(nbOfCells,1);
1435 int *retPtr=ret->getPointer();
1436 const int *conn=getNodalConnectivity()->getConstPointer();
1437 const int *connI=getNodalConnectivityIndex()->getConstPointer();
1438 for(int i=0;i<nbOfCells;i++,retPtr++)
1440 if(conn[connI[i]]!=(int)INTERP_KERNEL::NORM_POLYHED)
1441 *retPtr=connI[i+1]-connI[i]-1;
1443 *retPtr=connI[i+1]-connI[i]-1-std::count(conn+connI[i]+1,conn+connI[i+1],-1);
1449 * This method computes effective number of nodes per cell. That is to say nodes appearing several times in nodal connectivity of a cell,
1450 * will be counted only once here whereas it will be counted several times in MEDCouplingUMesh::computeNbOfNodesPerCell method.
1452 * \return DataArrayInt * - new object to be deallocated by the caller.
1453 * \sa MEDCouplingUMesh::computeNbOfNodesPerCell
1455 DataArrayInt *MEDCouplingUMesh::computeEffectiveNbOfNodesPerCell() const
1457 checkConnectivityFullyDefined();
1458 int nbOfCells=getNumberOfCells();
1459 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> ret=DataArrayInt::New();
1460 ret->alloc(nbOfCells,1);
1461 int *retPtr=ret->getPointer();
1462 const int *conn=getNodalConnectivity()->getConstPointer();
1463 const int *connI=getNodalConnectivityIndex()->getConstPointer();
1464 for(int i=0;i<nbOfCells;i++,retPtr++)
1466 std::set<int> s(conn+connI[i]+1,conn+connI[i+1]);
1467 if(conn[connI[i]]!=(int)INTERP_KERNEL::NORM_POLYHED)
1468 *retPtr=(int)s.size();
1472 *retPtr=(int)s.size();
1479 * This method returns a newly allocated array containing this->getNumberOfCells() tuples and 1 component.
1480 * For each cell in \b this the number of faces constituting (entity of dimension this->getMeshDimension()-1) cell is computed.
1482 * \return a newly allocated array
1484 DataArrayInt *MEDCouplingUMesh::computeNbOfFacesPerCell() const
1486 checkConnectivityFullyDefined();
1487 int nbOfCells=getNumberOfCells();
1488 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> ret=DataArrayInt::New();
1489 ret->alloc(nbOfCells,1);
1490 int *retPtr=ret->getPointer();
1491 const int *conn=getNodalConnectivity()->getConstPointer();
1492 const int *connI=getNodalConnectivityIndex()->getConstPointer();
1493 for(int i=0;i<nbOfCells;i++,retPtr++,connI++)
1495 const INTERP_KERNEL::CellModel& cm=INTERP_KERNEL::CellModel::GetCellModel((INTERP_KERNEL::NormalizedCellType)conn[*connI]);
1496 *retPtr=cm.getNumberOfSons2(conn+connI[0]+1,connI[1]-connI[0]-1);
1502 * Removes unused nodes (the node coordinates array is shorten) and returns an array
1503 * mapping between new and old node ids in "Old to New" mode. -1 values in the returned
1504 * array mean that the corresponding old node is no more used.
1505 * \return DataArrayInt * - a new instance of DataArrayInt of length \a
1506 * this->getNumberOfNodes() before call of this method. The caller is to
1507 * delete this array using decrRef() as it is no more needed.
1508 * \throw If the coordinates array is not set.
1509 * \throw If the nodal connectivity of cells is not defined.
1510 * \throw If the nodal connectivity includes an invalid id.
1512 * \ref cpp_mcumesh_zipCoordsTraducer "Here is a C++ example".<br>
1513 * \ref py_mcumesh_zipCoordsTraducer "Here is a Python example".
1515 DataArrayInt *MEDCouplingUMesh::zipCoordsTraducer()
1517 return MEDCouplingPointSet::zipCoordsTraducer();
1521 * This method stands if 'cell1' and 'cell2' are equals regarding 'compType' policy.
1522 * The semantic of 'compType' is specified in MEDCouplingPointSet::zipConnectivityTraducer method.
1524 int MEDCouplingUMesh::AreCellsEqual(const int *conn, const int *connI, int cell1, int cell2, int compType)
1529 return AreCellsEqual0(conn,connI,cell1,cell2);
1531 return AreCellsEqual1(conn,connI,cell1,cell2);
1533 return AreCellsEqual2(conn,connI,cell1,cell2);
1535 return AreCellsEqual3(conn,connI,cell1,cell2);
1537 return AreCellsEqual7(conn,connI,cell1,cell2);
1539 throw INTERP_KERNEL::Exception("Unknown comparison asked ! Must be in 0,1,2,3 or 7.");
1543 * This method is the last step of the MEDCouplingPointSet::zipConnectivityTraducer with policy 0.
1545 int MEDCouplingUMesh::AreCellsEqual0(const int *conn, const int *connI, int cell1, int cell2)
1547 if(connI[cell1+1]-connI[cell1]==connI[cell2+1]-connI[cell2])
1548 return std::equal(conn+connI[cell1]+1,conn+connI[cell1+1],conn+connI[cell2]+1)?1:0;
1553 * This method is the last step of the MEDCouplingPointSet::zipConnectivityTraducer with policy 1.
1555 int MEDCouplingUMesh::AreCellsEqual1(const int *conn, const int *connI, int cell1, int cell2)
1557 int sz=connI[cell1+1]-connI[cell1];
1558 if(sz==connI[cell2+1]-connI[cell2])
1560 if(conn[connI[cell1]]==conn[connI[cell2]])
1562 const INTERP_KERNEL::CellModel& cm=INTERP_KERNEL::CellModel::GetCellModel((INTERP_KERNEL::NormalizedCellType)conn[connI[cell1]]);
1563 unsigned dim=cm.getDimension();
1569 INTERP_KERNEL::AutoPtr<int> tmp=new int[sz1];
1570 int *work=std::copy(conn+connI[cell1]+1,conn+connI[cell1+1],(int *)tmp);
1571 std::copy(conn+connI[cell1]+1,conn+connI[cell1+1],work);
1572 work=std::search((int *)tmp,(int *)tmp+sz1,conn+connI[cell2]+1,conn+connI[cell2+1]);
1573 return work!=tmp+sz1?1:0;
1576 return std::equal(conn+connI[cell1]+1,conn+connI[cell1+1],conn+connI[cell2]+1)?1:0;//case of SEG2 and SEG3
1579 throw INTERP_KERNEL::Exception("MEDCouplingUMesh::AreCellsEqual1 : not implemented yet for meshdim == 3 !");
1586 * This method is the last step of the MEDCouplingPointSet::zipConnectivityTraducer with policy 2.
1588 int MEDCouplingUMesh::AreCellsEqual2(const int *conn, const int *connI, int cell1, int cell2)
1590 if(connI[cell1+1]-connI[cell1]==connI[cell2+1]-connI[cell2])
1592 if(conn[connI[cell1]]==conn[connI[cell2]])
1594 std::set<int> s1(conn+connI[cell1]+1,conn+connI[cell1+1]);
1595 std::set<int> s2(conn+connI[cell2]+1,conn+connI[cell2+1]);
1603 * This method is less restrictive than AreCellsEqual2. Here the geometric type is absolutely not taken into account !
1605 int MEDCouplingUMesh::AreCellsEqual3(const int *conn, const int *connI, int cell1, int cell2)
1607 if(connI[cell1+1]-connI[cell1]==connI[cell2+1]-connI[cell2])
1609 std::set<int> s1(conn+connI[cell1]+1,conn+connI[cell1+1]);
1610 std::set<int> s2(conn+connI[cell2]+1,conn+connI[cell2+1]);
1617 * This method is the last step of the MEDCouplingPointSet::zipConnectivityTraducer with policy 7.
1619 int MEDCouplingUMesh::AreCellsEqual7(const int *conn, const int *connI, int cell1, int cell2)
1621 int sz=connI[cell1+1]-connI[cell1];
1622 if(sz==connI[cell2+1]-connI[cell2])
1624 if(conn[connI[cell1]]==conn[connI[cell2]])
1626 const INTERP_KERNEL::CellModel& cm=INTERP_KERNEL::CellModel::GetCellModel((INTERP_KERNEL::NormalizedCellType)conn[connI[cell1]]);
1627 unsigned dim=cm.getDimension();
1633 INTERP_KERNEL::AutoPtr<int> tmp=new int[sz1];
1634 int *work=std::copy(conn+connI[cell1]+1,conn+connI[cell1+1],(int *)tmp);
1635 std::copy(conn+connI[cell1]+1,conn+connI[cell1+1],work);
1636 work=std::search((int *)tmp,(int *)tmp+sz1,conn+connI[cell2]+1,conn+connI[cell2+1]);
1641 std::reverse_iterator<int *> it1((int *)tmp+sz1);
1642 std::reverse_iterator<int *> it2((int *)tmp);
1643 if(std::search(it1,it2,conn+connI[cell2]+1,conn+connI[cell2+1])!=it2)
1649 return work!=tmp+sz1?1:0;
1652 {//case of SEG2 and SEG3
1653 if(std::equal(conn+connI[cell1]+1,conn+connI[cell1+1],conn+connI[cell2]+1))
1655 if(!cm.isQuadratic())
1657 std::reverse_iterator<const int *> it1(conn+connI[cell1+1]);
1658 std::reverse_iterator<const int *> it2(conn+connI[cell1]+1);
1659 if(std::equal(it1,it2,conn+connI[cell2]+1))
1665 if(conn[connI[cell1]+1]==conn[connI[cell2]+2] && conn[connI[cell1]+2]==conn[connI[cell2]+1] && conn[connI[cell1]+3]==conn[connI[cell2]+3])
1672 throw INTERP_KERNEL::Exception("MEDCouplingUMesh::AreCellsEqual7 : not implemented yet for meshdim == 3 !");
1679 * This method find in candidate pool defined by 'candidates' the cells equal following the polycy 'compType'.
1680 * If any true is returned and the results will be put at the end of 'result' output parameter. If not false is returned
1681 * and result remains unchanged.
1682 * The semantic of 'compType' is specified in MEDCouplingPointSet::zipConnectivityTraducer method.
1683 * If in 'candidates' pool -1 value is considered as an empty value.
1684 * WARNING this method returns only ONE set of result !
1686 bool MEDCouplingUMesh::AreCellsEqualInPool(const std::vector<int>& candidates, int compType, const int *conn, const int *connI, DataArrayInt *result)
1688 if(candidates.size()<1)
1691 std::vector<int>::const_iterator iter=candidates.begin();
1692 int start=(*iter++);
1693 for(;iter!=candidates.end();iter++)
1695 int status=AreCellsEqual(conn,connI,start,*iter,compType);
1700 result->pushBackSilent(start);
1704 result->pushBackSilent(*iter);
1706 result->pushBackSilent(status==2?(*iter+1):-(*iter+1));
1713 * This method find cells that are cells equal (regarding \a compType) in \a this. The comparison is specified by \a compType.
1714 * This method keeps the coordiantes of \a this. This method is time consuming and is called
1716 * \param [in] compType input specifying the technique used to compare cells each other.
1717 * - 0 : exactly. A cell is detected to be the same if and only if the connectivity is exactly the same without permutation and types same too. This is the strongest policy.
1718 * - 1 : permutation same orientation. cell1 and cell2 are considered equal if the connectivity of cell2 can be deduced by those of cell1 by direct permutation (with exactly the same orientation)
1719 * and their type equal. For 1D mesh the policy 1 is equivalent to 0.
1720 * - 2 : nodal. cell1 and cell2 are equal if and only if cell1 and cell2 have same type and have the same nodes constituting connectivity. This is the laziest policy. This policy
1721 * can be used for users not sensitive to orientation of cell
1722 * \param [in] startCellId specifies the cellId starting from which the equality computation will be carried out. By default it is 0, which it means that all cells in \a this will be scanned.
1723 * \param [out] commonCells
1724 * \param [out] commonCellsI
1725 * \return the correspondance array old to new in a newly allocated array.
1728 void MEDCouplingUMesh::findCommonCells(int compType, int startCellId, DataArrayInt *& commonCellsArr, DataArrayInt *& commonCellsIArr) const
1730 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> revNodal=DataArrayInt::New(),revNodalI=DataArrayInt::New();
1731 getReverseNodalConnectivity(revNodal,revNodalI);
1732 FindCommonCellsAlg(compType,startCellId,_nodal_connec,_nodal_connec_index,revNodal,revNodalI,commonCellsArr,commonCellsIArr);
1735 void MEDCouplingUMesh::FindCommonCellsAlg(int compType, int startCellId, const DataArrayInt *nodal, const DataArrayInt *nodalI, const DataArrayInt *revNodal, const DataArrayInt *revNodalI,
1736 DataArrayInt *& commonCellsArr, DataArrayInt *& commonCellsIArr) throw(INTERP_KERNEL::Exception)
1738 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> commonCells=DataArrayInt::New(),commonCellsI=DataArrayInt::New(); commonCells->alloc(0,1);
1739 int nbOfCells=nodalI->getNumberOfTuples()-1;
1740 commonCellsI->reserve(1); commonCellsI->pushBackSilent(0);
1741 const int *revNodalPtr=revNodal->getConstPointer(),*revNodalIPtr=revNodalI->getConstPointer();
1742 const int *connPtr=nodal->getConstPointer(),*connIPtr=nodalI->getConstPointer();
1743 std::vector<bool> isFetched(nbOfCells,false);
1746 for(int i=0;i<nbOfCells;i++)
1750 const int *connOfNode=std::find_if(connPtr+connIPtr[i]+1,connPtr+connIPtr[i+1],std::bind2nd(std::not_equal_to<int>(),-1));
1751 std::vector<int> v,v2;
1752 if(connOfNode!=connPtr+connIPtr[i+1])
1754 const int *locRevNodal=std::find(revNodalPtr+revNodalIPtr[*connOfNode],revNodalPtr+revNodalIPtr[*connOfNode+1],i);
1755 v2.insert(v2.end(),locRevNodal,revNodalPtr+revNodalIPtr[*connOfNode+1]);
1758 for(;connOfNode!=connPtr+connIPtr[i+1] && v2.size()>1;connOfNode++)
1762 const int *locRevNodal=std::find(revNodalPtr+revNodalIPtr[*connOfNode],revNodalPtr+revNodalIPtr[*connOfNode+1],i);
1763 std::vector<int>::iterator it=std::set_intersection(v.begin(),v.end(),locRevNodal,revNodalPtr+revNodalIPtr[*connOfNode+1],v2.begin());
1764 v2.resize(std::distance(v2.begin(),it));
1768 if(AreCellsEqualInPool(v2,compType,connPtr,connIPtr,commonCells))
1770 int pos=commonCellsI->back();
1771 commonCellsI->pushBackSilent(commonCells->getNumberOfTuples());
1772 for(const int *it=commonCells->begin()+pos;it!=commonCells->end();it++)
1773 isFetched[*it]=true;
1781 for(int i=startCellId;i<nbOfCells;i++)
1785 const int *connOfNode=std::find_if(connPtr+connIPtr[i]+1,connPtr+connIPtr[i+1],std::bind2nd(std::not_equal_to<int>(),-1));
1786 std::vector<int> v,v2;
1787 if(connOfNode!=connPtr+connIPtr[i+1])
1789 v2.insert(v2.end(),revNodalPtr+revNodalIPtr[*connOfNode],revNodalPtr+revNodalIPtr[*connOfNode+1]);
1792 for(;connOfNode!=connPtr+connIPtr[i+1] && v2.size()>1;connOfNode++)
1796 std::vector<int>::iterator it=std::set_intersection(v.begin(),v.end(),revNodalPtr+revNodalIPtr[*connOfNode],revNodalPtr+revNodalIPtr[*connOfNode+1],v2.begin());
1797 v2.resize(std::distance(v2.begin(),it));
1801 if(AreCellsEqualInPool(v2,compType,connPtr,connIPtr,commonCells))
1803 int pos=commonCellsI->back();
1804 commonCellsI->pushBackSilent(commonCells->getNumberOfTuples());
1805 for(const int *it=commonCells->begin()+pos;it!=commonCells->end();it++)
1806 isFetched[*it]=true;
1812 commonCellsArr=commonCells.retn();
1813 commonCellsIArr=commonCellsI.retn();
1817 * Checks if \a this mesh includes all cells of an \a other mesh, and returns an array
1818 * giving for each cell of the \a other an id of a cell in \a this mesh. A value larger
1819 * than \a other->getNumberOfCells() in the returned array means that there is no
1820 * corresponding cell in \a this mesh.
1821 * It is expected that \a this and \a other meshes share the same node coordinates
1822 * array, if it is not so an exception is thrown.
1823 * \param [in] other - the mesh to compare with.
1824 * \param [in] compType - specifies a cell comparison technique. For meaning of its
1825 * valid values [0,1,2], see zipConnectivityTraducer().
1826 * \param [out] arr - a new instance of DataArrayInt returning correspondence
1827 * between cells of the two meshes. It contains \a other->getNumberOfCells()
1828 * values. The caller is to delete this array using
1829 * decrRef() as it is no more needed.
1830 * \return bool - \c true if all cells of \a other mesh are present in the \a this
1833 * \ref cpp_mcumesh_areCellsIncludedIn "Here is a C++ example".<br>
1834 * \ref py_mcumesh_areCellsIncludedIn "Here is a Python example".
1835 * \sa checkDeepEquivalOnSameNodesWith()
1836 * \sa checkGeoEquivalWith()
1838 bool MEDCouplingUMesh::areCellsIncludedIn(const MEDCouplingUMesh *other, int compType, DataArrayInt *& arr) const
1840 MEDCouplingAutoRefCountObjectPtr<MEDCouplingUMesh> mesh=MergeUMeshesOnSameCoords(this,other);
1841 int nbOfCells=getNumberOfCells();
1842 static const int possibleCompType[]={0,1,2};
1843 if(std::find(possibleCompType,possibleCompType+sizeof(possibleCompType)/sizeof(int),compType)==possibleCompType+sizeof(possibleCompType)/sizeof(int))
1845 std::ostringstream oss; oss << "MEDCouplingUMesh::areCellsIncludedIn : only following policies are possible : ";
1846 std::copy(possibleCompType,possibleCompType+sizeof(possibleCompType)/sizeof(int),std::ostream_iterator<int>(oss," "));
1848 throw INTERP_KERNEL::Exception(oss.str().c_str());
1850 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> o2n=mesh->zipConnectivityTraducer(compType,nbOfCells);
1851 arr=o2n->substr(nbOfCells);
1852 arr->setName(other->getName().c_str());
1854 if(other->getNumberOfCells()==0)
1856 return arr->getMaxValue(tmp)<nbOfCells;
1860 * This method makes the assumption that \a this and \a other share the same coords. If not an exception will be thrown !
1861 * This method tries to determine if \b other is fully included in \b this.
1862 * The main difference is that this method is not expected to throw exception.
1863 * This method has two outputs :
1865 * \param arr is an output parameter that returns a \b newly created instance. This array is of size 'other->getNumberOfCells()'.
1866 * \return If \a other is fully included in 'this 'true is returned. If not false is returned.
1868 bool MEDCouplingUMesh::areCellsIncludedIn2(const MEDCouplingUMesh *other, DataArrayInt *& arr) const
1870 MEDCouplingAutoRefCountObjectPtr<MEDCouplingUMesh> mesh=MergeUMeshesOnSameCoords(this,other);
1871 DataArrayInt *commonCells=0,*commonCellsI=0;
1872 int thisNbCells=getNumberOfCells();
1873 mesh->findCommonCells(7,thisNbCells,commonCells,commonCellsI);
1874 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> commonCellsTmp(commonCells),commonCellsITmp(commonCellsI);
1875 const int *commonCellsPtr=commonCells->getConstPointer(),*commonCellsIPtr=commonCellsI->getConstPointer();
1876 int otherNbCells=other->getNumberOfCells();
1877 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> arr2=DataArrayInt::New();
1878 arr2->alloc(otherNbCells,1);
1879 arr2->fillWithZero();
1880 int *arr2Ptr=arr2->getPointer();
1881 int nbOfCommon=commonCellsI->getNumberOfTuples()-1;
1882 for(int i=0;i<nbOfCommon;i++)
1884 int start=commonCellsPtr[commonCellsIPtr[i]];
1885 if(start<thisNbCells)
1887 for(int j=commonCellsIPtr[i]+1;j!=commonCellsIPtr[i+1];j++)
1889 int sig=commonCellsPtr[j]>0?1:-1;
1890 int val=std::abs(commonCellsPtr[j])-1;
1891 if(val>=thisNbCells)
1892 arr2Ptr[val-thisNbCells]=sig*(start+1);
1896 arr2->setName(other->getName().c_str());
1897 if(arr2->presenceOfValue(0))
1903 MEDCouplingPointSet *MEDCouplingUMesh::mergeMyselfWithOnSameCoords(const MEDCouplingPointSet *other) const
1906 throw INTERP_KERNEL::Exception("MEDCouplingUMesh::mergeMyselfWithOnSameCoords : input other is null !");
1907 const MEDCouplingUMesh *otherC=dynamic_cast<const MEDCouplingUMesh *>(other);
1909 throw INTERP_KERNEL::Exception("MEDCouplingUMesh::mergeMyselfWithOnSameCoords : the input other mesh is not of type unstructured !");
1910 std::vector<const MEDCouplingUMesh *> ms(2);
1913 return MergeUMeshesOnSameCoords(ms);
1917 * Build a sub part of \b this lying or not on the same coordinates than \b this (regarding value of \b keepCoords).
1918 * By default coordinates are kept. This method is close to MEDCouplingUMesh::buildPartOfMySelf except that here input
1919 * cellIds is not given explicitely but by a range python like.
1921 * \param keepCoords that specifies if you want or not to keep coords as this or zip it (see ParaMEDMEM::MEDCouplingUMesh::zipCoords). If true zipCoords is \b NOT called, if false, zipCoords is called.
1922 * \return a newly allocated
1924 * \warning This method modifies can generate an unstructured mesh whose cells are not sorted by geometric type order.
1925 * In view of the MED file writing, a renumbering of cells of returned unstructured mesh (using MEDCouplingUMesh::sortCellsInMEDFileFrmt) should be necessary.
1927 MEDCouplingPointSet *MEDCouplingUMesh::buildPartOfMySelf2(int start, int end, int step, bool keepCoords) const
1929 if(getMeshDimension()!=-1)
1930 return MEDCouplingPointSet::buildPartOfMySelf2(start,end,step,keepCoords);
1933 int newNbOfCells=DataArray::GetNumberOfItemGivenBESRelative(start,end,step,"MEDCouplingUMesh::buildPartOfMySelf2 for -1 dimension mesh ");
1935 throw INTERP_KERNEL::Exception("-1D mesh has only one cell !");
1937 throw INTERP_KERNEL::Exception("-1D mesh has only one cell : 0 !");
1939 return const_cast<MEDCouplingUMesh *>(this);
1944 * Creates a new MEDCouplingUMesh containing specified cells of \a this mesh.
1945 * The result mesh shares or not the node coordinates array with \a this mesh depending
1946 * on \a keepCoords parameter.
1947 * \warning Cells of the result mesh can be \b not sorted by geometric type, hence,
1948 * to write this mesh to the MED file, its cells must be sorted using
1949 * sortCellsInMEDFileFrmt().
1950 * \param [in] begin - an array of cell ids to include to the new mesh.
1951 * \param [in] end - a pointer to last-plus-one-th element of \a begin.
1952 * \param [in] keepCoords - if \c true, the result mesh shares the node coordinates
1953 * array of \a this mesh, else "free" nodes are removed from the result mesh
1954 * by calling zipCoords().
1955 * \return MEDCouplingPointSet * - a new instance of MEDCouplingUMesh. The caller is
1956 * to delete this mesh using decrRef() as it is no more needed.
1957 * \throw If the coordinates array is not set.
1958 * \throw If the nodal connectivity of cells is not defined.
1959 * \throw If any cell id in the array \a begin is not valid.
1961 * \ref cpp_mcumesh_buildPartOfMySelf "Here is a C++ example".<br>
1962 * \ref py_mcumesh_buildPartOfMySelf "Here is a Python example".
1964 MEDCouplingPointSet *MEDCouplingUMesh::buildPartOfMySelf(const int *begin, const int *end, bool keepCoords) const
1966 if(getMeshDimension()!=-1)
1967 return MEDCouplingPointSet::buildPartOfMySelf(begin,end,keepCoords);
1971 throw INTERP_KERNEL::Exception("-1D mesh has only one cell !");
1973 throw INTERP_KERNEL::Exception("-1D mesh has only one cell : 0 !");
1975 return const_cast<MEDCouplingUMesh *>(this);
1980 * This method operates only on nodal connectivity on \b this. Coordinates of \b this is completely ignored here.
1982 * This method allows to partially modify some cells in \b this (whose list is specified by [ \b cellIdsBg, \b cellIdsEnd ) ) with cells coming in \b otherOnSameCoordsThanThis.
1983 * Size of [ \b cellIdsBg, \b cellIdsEnd ) ) must be equal to the number of cells of otherOnSameCoordsThanThis.
1984 * The number of cells of \b this will remain the same with this method.
1986 * \param [in] begin begin of cell ids (included) of cells in this to assign
1987 * \param [in] end end of cell ids (excluded) of cells in this to assign
1988 * \param [in] otherOnSameCoordsThanThis an another mesh with same meshdimension than \b this with exactly the same number of cells than cell ids list in [\b cellIdsBg, \b cellIdsEnd ).
1989 * Coordinate pointer of \b this and those of \b otherOnSameCoordsThanThis must be the same
1991 void MEDCouplingUMesh::setPartOfMySelf(const int *cellIdsBg, const int *cellIdsEnd, const MEDCouplingUMesh& otherOnSameCoordsThanThis)
1993 checkConnectivityFullyDefined();
1994 otherOnSameCoordsThanThis.checkConnectivityFullyDefined();
1995 if(getCoords()!=otherOnSameCoordsThanThis.getCoords())
1996 throw INTERP_KERNEL::Exception("MEDCouplingUMesh::setPartOfMySelf : coordinates pointer are not the same ! Invoke setCoords or call tryToShareSameCoords method !");
1997 if(getMeshDimension()!=otherOnSameCoordsThanThis.getMeshDimension())
1999 std::ostringstream oss; oss << "MEDCouplingUMesh::setPartOfMySelf : Mismatch of meshdimensions ! this is equal to " << getMeshDimension();
2000 oss << ", whereas other mesh dimension is set equal to " << otherOnSameCoordsThanThis.getMeshDimension() << " !";
2001 throw INTERP_KERNEL::Exception(oss.str().c_str());
2003 int nbOfCellsToModify=(int)std::distance(cellIdsBg,cellIdsEnd);
2004 if(nbOfCellsToModify!=otherOnSameCoordsThanThis.getNumberOfCells())
2006 std::ostringstream oss; oss << "MEDCouplingUMesh::setPartOfMySelf : cells ids length (" << nbOfCellsToModify << ") do not match the number of cells of other mesh (" << otherOnSameCoordsThanThis.getNumberOfCells() << ") !";
2007 throw INTERP_KERNEL::Exception(oss.str().c_str());
2009 int nbOfCells=getNumberOfCells();
2010 bool easyAssign=true;
2011 const int *connI=_nodal_connec_index->getConstPointer();
2012 const int *connIOther=otherOnSameCoordsThanThis._nodal_connec_index->getConstPointer();
2013 for(const int *it=cellIdsBg;it!=cellIdsEnd && easyAssign;it++,connIOther++)
2015 if(*it>=0 && *it<nbOfCells)
2017 easyAssign=(connIOther[1]-connIOther[0])==(connI[*it+1]-connI[*it]);
2021 std::ostringstream oss; oss << "MEDCouplingUMesh::setPartOfMySelf : On pos #" << std::distance(cellIdsBg,it) << " id is equal to " << *it << " which is not in [0," << nbOfCells << ") !";
2022 throw INTERP_KERNEL::Exception(oss.str().c_str());
2027 MEDCouplingUMesh::SetPartOfIndexedArraysSameIdx(cellIdsBg,cellIdsEnd,_nodal_connec,_nodal_connec_index,otherOnSameCoordsThanThis._nodal_connec,otherOnSameCoordsThanThis._nodal_connec_index);
2032 DataArrayInt *arrOut=0,*arrIOut=0;
2033 MEDCouplingUMesh::SetPartOfIndexedArrays(cellIdsBg,cellIdsEnd,_nodal_connec,_nodal_connec_index,otherOnSameCoordsThanThis._nodal_connec,otherOnSameCoordsThanThis._nodal_connec_index,
2035 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> arrOutAuto(arrOut),arrIOutAuto(arrIOut);
2036 setConnectivity(arrOut,arrIOut,true);
2040 void MEDCouplingUMesh::setPartOfMySelf2(int start, int end, int step, const MEDCouplingUMesh& otherOnSameCoordsThanThis)
2042 checkConnectivityFullyDefined();
2043 otherOnSameCoordsThanThis.checkConnectivityFullyDefined();
2044 if(getCoords()!=otherOnSameCoordsThanThis.getCoords())
2045 throw INTERP_KERNEL::Exception("MEDCouplingUMesh::setPartOfMySelf2 : coordinates pointer are not the same ! Invoke setCoords or call tryToShareSameCoords method !");
2046 if(getMeshDimension()!=otherOnSameCoordsThanThis.getMeshDimension())
2048 std::ostringstream oss; oss << "MEDCouplingUMesh::setPartOfMySelf2 : Mismatch of meshdimensions ! this is equal to " << getMeshDimension();
2049 oss << ", whereas other mesh dimension is set equal to " << otherOnSameCoordsThanThis.getMeshDimension() << " !";
2050 throw INTERP_KERNEL::Exception(oss.str().c_str());
2052 int nbOfCellsToModify=DataArray::GetNumberOfItemGivenBESRelative(start,end,step,"MEDCouplingUMesh::setPartOfMySelf2 : ");
2053 if(nbOfCellsToModify!=otherOnSameCoordsThanThis.getNumberOfCells())
2055 std::ostringstream oss; oss << "MEDCouplingUMesh::setPartOfMySelf2 : cells ids length (" << nbOfCellsToModify << ") do not match the number of cells of other mesh (" << otherOnSameCoordsThanThis.getNumberOfCells() << ") !";
2056 throw INTERP_KERNEL::Exception(oss.str().c_str());
2058 int nbOfCells=getNumberOfCells();
2059 bool easyAssign=true;
2060 const int *connI=_nodal_connec_index->getConstPointer();
2061 const int *connIOther=otherOnSameCoordsThanThis._nodal_connec_index->getConstPointer();
2063 for(int i=0;i<nbOfCellsToModify && easyAssign;i++,it+=step,connIOther++)
2065 if(it>=0 && it<nbOfCells)
2067 easyAssign=(connIOther[1]-connIOther[0])==(connI[it+1]-connI[it]);
2071 std::ostringstream oss; oss << "MEDCouplingUMesh::setPartOfMySelf2 : On pos #" << i << " id is equal to " << it << " which is not in [0," << nbOfCells << ") !";
2072 throw INTERP_KERNEL::Exception(oss.str().c_str());
2077 MEDCouplingUMesh::SetPartOfIndexedArraysSameIdx2(start,end,step,_nodal_connec,_nodal_connec_index,otherOnSameCoordsThanThis._nodal_connec,otherOnSameCoordsThanThis._nodal_connec_index);
2082 DataArrayInt *arrOut=0,*arrIOut=0;
2083 MEDCouplingUMesh::SetPartOfIndexedArrays2(start,end,step,_nodal_connec,_nodal_connec_index,otherOnSameCoordsThanThis._nodal_connec,otherOnSameCoordsThanThis._nodal_connec_index,
2085 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> arrOutAuto(arrOut),arrIOutAuto(arrIOut);
2086 setConnectivity(arrOut,arrIOut,true);
2091 * Keeps from \a this only cells which constituing point id are in the ids specified by [ \a begin,\a end ).
2092 * The resulting cell ids are stored at the end of the 'cellIdsKept' parameter.
2093 * Parameter \a fullyIn specifies if a cell that has part of its nodes in ids array is kept or not.
2094 * If \a fullyIn is true only cells whose ids are \b fully contained in [ \a begin,\a end ) tab will be kept.
2096 * \param [in] begin input start of array of node ids.
2097 * \param [in] end input end of array of node ids.
2098 * \param [in] fullyIn input that specifies if all node ids must be in [ \a begin,\a end ) array to consider cell to be in.
2099 * \param [in,out] cellIdsKeptArr array where all candidate cell ids are put at the end.
2101 void MEDCouplingUMesh::fillCellIdsToKeepFromNodeIds(const int *begin, const int *end, bool fullyIn, DataArrayInt *&cellIdsKeptArr) const
2103 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> cellIdsKept=DataArrayInt::New(); cellIdsKept->alloc(0,1);
2104 checkConnectivityFullyDefined();
2106 int sz=getNodalConnectivity()->getMaxValue(tmp); sz=std::max(sz,0)+1;
2107 std::vector<bool> fastFinder(sz,false);
2108 for(const int *work=begin;work!=end;work++)
2109 if(*work>=0 && *work<sz)
2110 fastFinder[*work]=true;
2111 int nbOfCells=getNumberOfCells();
2112 const int *conn=getNodalConnectivity()->getConstPointer();
2113 const int *connIndex=getNodalConnectivityIndex()->getConstPointer();
2114 for(int i=0;i<nbOfCells;i++)
2116 int ref=0,nbOfHit=0;
2117 for(const int *work2=conn+connIndex[i]+1;work2!=conn+connIndex[i+1];work2++)
2121 if(fastFinder[*work2])
2124 if((ref==nbOfHit && fullyIn) || (nbOfHit!=0 && !fullyIn))
2125 cellIdsKept->pushBackSilent(i);
2127 cellIdsKeptArr=cellIdsKept.retn();
2131 * Creates a new MEDCouplingUMesh containing cells, of dimension one less than \a
2132 * this->getMeshDimension(), that bound some cells of \a this mesh.
2133 * The cells of lower dimension to include to the result mesh are selected basing on
2134 * specified node ids and the value of \a fullyIn parameter. If \a fullyIn ==\c true, a
2135 * cell is copied if its all nodes are in the array \a begin of node ids. If \a fullyIn
2136 * ==\c false, a cell is copied if any its node is in the array of node ids. The
2137 * created mesh shares the node coordinates array with \a this mesh.
2138 * \param [in] begin - the array of node ids.
2139 * \param [in] end - a pointer to the (last+1)-th element of \a begin.
2140 * \param [in] fullyIn - if \c true, then cells whose all nodes are in the
2141 * array \a begin are added, else cells whose any node is in the
2142 * array \a begin are added.
2143 * \return MEDCouplingPointSet * - new instance of MEDCouplingUMesh. The caller is
2144 * to delete this mesh using decrRef() as it is no more needed.
2145 * \throw If the coordinates array is not set.
2146 * \throw If the nodal connectivity of cells is not defined.
2147 * \throw If any node id in \a begin is not valid.
2149 * \ref cpp_mcumesh_buildFacePartOfMySelfNode "Here is a C++ example".<br>
2150 * \ref py_mcumesh_buildFacePartOfMySelfNode "Here is a Python example".
2152 MEDCouplingPointSet *MEDCouplingUMesh::buildFacePartOfMySelfNode(const int *begin, const int *end, bool fullyIn) const
2154 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> desc,descIndx,revDesc,revDescIndx;
2155 desc=DataArrayInt::New(); descIndx=DataArrayInt::New(); revDesc=DataArrayInt::New(); revDescIndx=DataArrayInt::New();
2156 MEDCouplingAutoRefCountObjectPtr<MEDCouplingUMesh> subMesh=buildDescendingConnectivity(desc,descIndx,revDesc,revDescIndx);
2157 desc=0; descIndx=0; revDesc=0; revDescIndx=0;
2158 return subMesh->buildPartOfMySelfNode(begin,end,fullyIn);
2162 * Creates a new MEDCouplingUMesh containing cells, of dimension one less than \a
2163 * this->getMeshDimension(), which bound only one cell of \a this mesh.
2164 * \param [in] keepCoords - if \c true, the result mesh shares the node coordinates
2165 * array of \a this mesh, else "free" nodes are removed from the result mesh
2166 * by calling zipCoords().
2167 * \return MEDCouplingPointSet * - a new instance of MEDCouplingUMesh. The caller is
2168 * to delete this mesh using decrRef() as it is no more needed.
2169 * \throw If the coordinates array is not set.
2170 * \throw If the nodal connectivity of cells is not defined.
2172 * \ref cpp_mcumesh_buildBoundaryMesh "Here is a C++ example".<br>
2173 * \ref py_mcumesh_buildBoundaryMesh "Here is a Python example".
2175 MEDCouplingPointSet *MEDCouplingUMesh::buildBoundaryMesh(bool keepCoords) const
2177 DataArrayInt *desc=DataArrayInt::New();
2178 DataArrayInt *descIndx=DataArrayInt::New();
2179 DataArrayInt *revDesc=DataArrayInt::New();
2180 DataArrayInt *revDescIndx=DataArrayInt::New();
2182 MEDCouplingAutoRefCountObjectPtr<MEDCouplingUMesh> meshDM1=buildDescendingConnectivity(desc,descIndx,revDesc,revDescIndx);
2185 descIndx->decrRef();
2186 int nbOfCells=meshDM1->getNumberOfCells();
2187 const int *revDescIndxC=revDescIndx->getConstPointer();
2188 std::vector<int> boundaryCells;
2189 for(int i=0;i<nbOfCells;i++)
2190 if(revDescIndxC[i+1]-revDescIndxC[i]==1)
2191 boundaryCells.push_back(i);
2192 revDescIndx->decrRef();
2193 MEDCouplingPointSet *ret=meshDM1->buildPartOfMySelf(&boundaryCells[0],&boundaryCells[0]+boundaryCells.size(),keepCoords);
2198 * This method returns a newly created DataArrayInt instance containing ids of cells located in boundary.
2199 * A cell is detected to be on boundary if it contains one or more than one face having only one father.
2200 * This method makes the assumption that \a this is fully defined (coords,connectivity). If not an exception will be thrown.
2202 DataArrayInt *MEDCouplingUMesh::findCellIdsOnBoundary() const
2204 checkFullyDefined();
2205 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> desc=DataArrayInt::New();
2206 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> descIndx=DataArrayInt::New();
2207 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> revDesc=DataArrayInt::New();
2208 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> revDescIndx=DataArrayInt::New();
2210 buildDescendingConnectivity(desc,descIndx,revDesc,revDescIndx)->decrRef();
2211 desc=(DataArrayInt*)0; descIndx=(DataArrayInt*)0;
2213 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> tmp=revDescIndx->deltaShiftIndex();
2214 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> faceIds=tmp->getIdsEqual(1); tmp=(DataArrayInt*)0;
2215 const int *revDescPtr=revDesc->getConstPointer();
2216 const int *revDescIndxPtr=revDescIndx->getConstPointer();
2217 int nbOfCells=getNumberOfCells();
2218 std::vector<bool> ret1(nbOfCells,false);
2220 for(const int *pt=faceIds->begin();pt!=faceIds->end();pt++)
2221 if(!ret1[revDescPtr[revDescIndxPtr[*pt]]])
2222 { ret1[revDescPtr[revDescIndxPtr[*pt]]]=true; sz++; }
2224 DataArrayInt *ret2=DataArrayInt::New();
2226 int *ret2Ptr=ret2->getPointer();
2228 for(std::vector<bool>::const_iterator it=ret1.begin();it!=ret1.end();it++,sz++)
2231 ret2->setName("BoundaryCells");
2236 * This method find in \b this cells ids that lie on mesh \b otherDimM1OnSameCoords.
2237 * \b this and \b otherDimM1OnSameCoords have to lie on the same coordinate array pointer. The coherency of that coords array with connectivity
2238 * of \b this and \b otherDimM1OnSameCoords is not important here because this method works only on connectivity.
2239 * this->getMeshDimension() - 1 must be equal to otherDimM1OnSameCoords.getMeshDimension()
2241 * s0 is the cells ids set in \b this lying on at least one node in fetched nodes in \b otherDimM1OnSameCoords.
2242 * This method method returns cells ids set s = s1 + s2 where :
2244 * - s1 are cells ids in \b this whose dim-1 constituent equals a cell in \b otherDimM1OnSameCoords.
2245 * - s2 are cells ids in \b s0 - \b s1 whose at least two neighbors are in s1.
2247 * \throw if \b otherDimM1OnSameCoords is not part of constituent of \b this, or if coordinate pointer of \b this and \b otherDimM1OnSameCoords
2248 * are not same, or if this->getMeshDimension()-1!=otherDimM1OnSameCoords.getMeshDimension()
2250 * \param [out] cellIdsRk0 a newly allocated array containing cells ids in \b this containg s0 in above algorithm.
2251 * \param [out] cellIdsRk1 a newly allocated array containing cells ids of s1+s2 \b into \b cellIdsRk0 subset. To get absolute ids of s1+s2 simply invoke
2252 * cellIdsRk1->transformWithIndArr(cellIdsRk0->begin(),cellIdsRk0->end());
2254 void MEDCouplingUMesh::findCellIdsLyingOn(const MEDCouplingUMesh& otherDimM1OnSameCoords, DataArrayInt *&cellIdsRk0, DataArrayInt *&cellIdsRk1) const
2256 if(getCoords()!=otherDimM1OnSameCoords.getCoords())
2257 throw INTERP_KERNEL::Exception("MEDCouplingUMesh::findCellIdsLyingOn : coordinates pointer are not the same ! Use tryToShareSameCoords method !");
2258 checkConnectivityFullyDefined();
2259 otherDimM1OnSameCoords.checkConnectivityFullyDefined();
2260 if(getMeshDimension()-1!=otherDimM1OnSameCoords.getMeshDimension())
2261 throw INTERP_KERNEL::Exception("MEDCouplingUMesh::findCellIdsLyingOn : invalid mesh dimension of input mesh regarding meshdimesion of this !");
2262 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> fetchedNodeIds1=otherDimM1OnSameCoords.computeFetchedNodeIds();
2263 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> s0arr=getCellIdsLyingOnNodes(fetchedNodeIds1->begin(),fetchedNodeIds1->end(),false);
2264 MEDCouplingAutoRefCountObjectPtr<MEDCouplingUMesh> thisPart=static_cast<MEDCouplingUMesh *>(buildPartOfMySelf(s0arr->begin(),s0arr->end(),true));
2265 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> descThisPart=DataArrayInt::New(),descIThisPart=DataArrayInt::New(),revDescThisPart=DataArrayInt::New(),revDescIThisPart=DataArrayInt::New();
2266 MEDCouplingAutoRefCountObjectPtr<MEDCouplingUMesh> thisPartConsti=thisPart->buildDescendingConnectivity(descThisPart,descIThisPart,revDescThisPart,revDescIThisPart);
2267 const int *revDescThisPartPtr=revDescThisPart->getConstPointer(),*revDescIThisPartPtr=revDescIThisPart->getConstPointer();
2268 DataArrayInt *idsOtherInConsti=0;
2269 bool b=thisPartConsti->areCellsIncludedIn(&otherDimM1OnSameCoords,2,idsOtherInConsti);
2270 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> idsOtherInConstiAuto(idsOtherInConsti);
2272 throw INTERP_KERNEL::Exception("MEDCouplingUMesh::findCellIdsLyingOn : the given mdim-1 mesh in other is not a constituent of this !");
2274 for(const int *idOther=idsOtherInConsti->begin();idOther!=idsOtherInConsti->end();idOther++)
2275 s1.insert(revDescThisPartPtr+revDescIThisPartPtr[*idOther],revDescThisPartPtr+revDescIThisPartPtr[*idOther+1]);
2276 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> s1arr_renum1=DataArrayInt::New(); s1arr_renum1->alloc((int)s1.size(),1); std::copy(s1.begin(),s1.end(),s1arr_renum1->getPointer());
2277 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> s1Comparr_renum1=s1arr_renum1->buildComplement(s0arr->getNumberOfTuples());
2278 DataArrayInt *neighThisPart=0,*neighIThisPart=0;
2279 ComputeNeighborsOfCellsAdv(descThisPart,descIThisPart,revDescThisPart,revDescIThisPart,neighThisPart,neighIThisPart);
2280 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> neighThisPartAuto(neighThisPart),neighIThisPartAuto(neighIThisPart);
2281 ExtractFromIndexedArrays(s1Comparr_renum1->begin(),s1Comparr_renum1->end(),neighThisPart,neighIThisPart,neighThisPart,neighIThisPart);// reuse of neighThisPart and neighIThisPart
2282 neighThisPartAuto=neighThisPart; neighIThisPartAuto=neighIThisPart;
2283 RemoveIdsFromIndexedArrays(s1Comparr_renum1->begin(),s1Comparr_renum1->end(),neighThisPart,neighIThisPart);
2284 neighThisPartAuto=0;
2285 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> s2_tmp=neighIThisPart->deltaShiftIndex();
2286 const int li[2]={0,1};
2287 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> s2_renum2=s2_tmp->getIdsNotEqualList(li,li+2);
2288 s2_renum2->transformWithIndArr(s1Comparr_renum1->begin(),s1Comparr_renum1->end());//s2_renum2==s2_renum1
2289 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> s_renum1=DataArrayInt::Aggregate(s2_renum2,s1arr_renum1,0);
2292 cellIdsRk0=s0arr.retn();
2293 cellIdsRk1=s_renum1.retn();
2297 * This method computes the skin of \b this. That is to say the consituting meshdim-1 mesh is built and only the boundary subpart is
2298 * returned. This subpart of meshdim-1 mesh is built using meshdim-1 cells in it shared only one cell in \b this.
2300 * \return a newly allocated mesh lying on the same coordinates than \b this. The caller has to deal with returned mesh.
2302 MEDCouplingUMesh *MEDCouplingUMesh::computeSkin() const
2304 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> desc=DataArrayInt::New();
2305 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> descIndx=DataArrayInt::New();
2306 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> revDesc=DataArrayInt::New();
2307 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> revDescIndx=DataArrayInt::New();
2309 MEDCouplingAutoRefCountObjectPtr<MEDCouplingUMesh> meshDM1=buildDescendingConnectivity(desc,descIndx,revDesc,revDescIndx);
2310 revDesc=0; desc=0; descIndx=0;
2311 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> revDescIndx2=revDescIndx->deltaShiftIndex();
2312 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> part=revDescIndx2->getIdsEqual(1);
2313 return static_cast<MEDCouplingUMesh *>(meshDM1->buildPartOfMySelf(part->begin(),part->end(),true));
2317 * Finds nodes lying on the boundary of \a this mesh.
2318 * \return DataArrayInt * - a new instance of DataArrayInt holding ids of found
2319 * nodes. The caller is to delete this array using decrRef() as it is no
2321 * \throw If the coordinates array is not set.
2322 * \throw If the nodal connectivity of cells is node defined.
2324 * \ref cpp_mcumesh_findBoundaryNodes "Here is a C++ example".<br>
2325 * \ref py_mcumesh_findBoundaryNodes "Here is a Python example".
2327 DataArrayInt *MEDCouplingUMesh::findBoundaryNodes() const
2329 MEDCouplingAutoRefCountObjectPtr<MEDCouplingUMesh> skin=computeSkin();
2330 return skin->computeFetchedNodeIds();
2333 MEDCouplingUMesh *MEDCouplingUMesh::buildUnstructured() const
2336 return const_cast<MEDCouplingUMesh *>(this);
2340 * This method expects that \b this and \b otherDimM1OnSameCoords share the same coordinates array.
2341 * otherDimM1OnSameCoords->getMeshDimension() is expected to be equal to this->getMeshDimension()-1.
2342 * This method searches for nodes needed to be duplicated. These nodes are nodes fetched by \b otherDimM1OnSameCoords which are not part of the boundary of \b otherDimM1OnSameCoords.
2343 * If a node is in the boundary of \b this \b and in the boundary of \b otherDimM1OnSameCoords this node is considerd as needed to be duplicated.
2344 * When the set of node ids \b nodeIdsToDuplicate is computed, cell ids in \b this is searched so that their connectivity includes at least 1 node in \b nodeIdsToDuplicate.
2346 * \param [in] otherDimM1OnSameCoords a mesh lying on the same coords than \b this and with a mesh dimension equal to those of \b this minus 1. WARNING this input
2347 * parameter is altered during the call.
2348 * \param [out] nodeIdsToDuplicate node ids needed to be duplicated following the algorithm explain above.
2349 * \param [out] cellIdsNeededToBeRenum cell ids in \b this in which the renumber of nodes should be performed.
2350 * \param [out] cellIdsNotModified cell ids int \b this that lies on \b otherDimM1OnSameCoords mesh whose connectivity do \b not need to be modified as it is the case for \b cellIdsNeededToBeRenum.
2352 * \warning This method modifies param \b otherDimM1OnSameCoords (for speed reasons).
2354 void MEDCouplingUMesh::findNodesToDuplicate(const MEDCouplingUMesh& otherDimM1OnSameCoords, DataArrayInt *& nodeIdsToDuplicate,
2355 DataArrayInt *& cellIdsNeededToBeRenum, DataArrayInt *& cellIdsNotModified) const throw(INTERP_KERNEL::Exception)
2357 checkFullyDefined();
2358 otherDimM1OnSameCoords.checkFullyDefined();
2359 if(getCoords()!=otherDimM1OnSameCoords.getCoords())
2360 throw INTERP_KERNEL::Exception("MEDCouplingUMesh::findNodesToDuplicate : meshes do not share the same coords array !");
2361 if(otherDimM1OnSameCoords.getMeshDimension()!=getMeshDimension()-1)
2362 throw INTERP_KERNEL::Exception("MEDCouplingUMesh::findNodesToDuplicate : the mesh given in other parameter must have this->getMeshDimension()-1 !");
2363 DataArrayInt *cellIdsRk0=0,*cellIdsRk1=0;
2364 findCellIdsLyingOn(otherDimM1OnSameCoords,cellIdsRk0,cellIdsRk1);
2365 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> cellIdsRk0Auto(cellIdsRk0),cellIdsRk1Auto(cellIdsRk1);
2366 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> s0=cellIdsRk1->buildComplement(cellIdsRk0->getNumberOfTuples());
2367 s0->transformWithIndArr(cellIdsRk0Auto->begin(),cellIdsRk0Auto->end());
2368 MEDCouplingAutoRefCountObjectPtr<MEDCouplingUMesh> m0Part=static_cast<MEDCouplingUMesh *>(buildPartOfMySelf(s0->begin(),s0->end(),true));
2369 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> s1=m0Part->computeFetchedNodeIds();
2370 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> s2=otherDimM1OnSameCoords.computeFetchedNodeIds();
2371 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> s3=s2->buildSubstraction(s1);
2372 cellIdsRk1->transformWithIndArr(cellIdsRk0Auto->begin(),cellIdsRk0Auto->end());
2374 MEDCouplingAutoRefCountObjectPtr<MEDCouplingUMesh> m0Part2=static_cast<MEDCouplingUMesh *>(buildPartOfMySelf(cellIdsRk1->begin(),cellIdsRk1->end(),true));
2375 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> desc00=DataArrayInt::New(),descI00=DataArrayInt::New(),revDesc00=DataArrayInt::New(),revDescI00=DataArrayInt::New();
2376 MEDCouplingAutoRefCountObjectPtr<MEDCouplingUMesh> m01=m0Part2->buildDescendingConnectivity(desc00,descI00,revDesc00,revDescI00);
2377 DataArrayInt *idsTmp=0;
2378 bool b=m01->areCellsIncludedIn(&otherDimM1OnSameCoords,2,idsTmp);
2379 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> ids(idsTmp);
2381 throw INTERP_KERNEL::Exception("MEDCouplingUMesh::findNodesToDuplicate : the given mdim-1 mesh in other is not a constituent of this !");
2382 MEDCouplingUMesh::RemoveIdsFromIndexedArrays(ids->begin(),ids->end(),desc00,descI00);
2383 DataArrayInt *tmp0=0,*tmp1=0;
2384 ComputeNeighborsOfCellsAdv(desc00,descI00,revDesc00,revDescI00,tmp0,tmp1);
2385 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> neigh00(tmp0);
2386 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> neighI00(tmp1);
2387 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> cellsToModifyConn0_torenum=MEDCouplingUMesh::ComputeSpreadZoneGradually(neigh00,neighI00);
2388 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> cellsToModifyConn1_torenum=cellsToModifyConn0_torenum->buildComplement(neighI00->getNumberOfTuples()-1);
2389 cellsToModifyConn0_torenum->transformWithIndArr(cellIdsRk1->begin(),cellIdsRk1->end());
2390 cellsToModifyConn1_torenum->transformWithIndArr(cellIdsRk1->begin(),cellIdsRk1->end());
2392 cellIdsNeededToBeRenum=cellsToModifyConn0_torenum.retn();
2393 cellIdsNotModified=cellsToModifyConn1_torenum.retn();
2394 nodeIdsToDuplicate=s3.retn();
2398 * This method operates a modification of the connectivity and coords in \b this.
2399 * Every time that a node id in [ \b nodeIdsToDuplicateBg, \b nodeIdsToDuplicateEnd ) will append in nodal connectivity of \b this
2400 * its ids will be modified to id this->getNumberOfNodes()+std::distance(nodeIdsToDuplicateBg,std::find(nodeIdsToDuplicateBg,nodeIdsToDuplicateEnd,id)).
2401 * More explicitely the renumber array in nodes is not explicitely given in old2new to avoid to build a big array of renumbering whereas typically few node ids needs to be
2402 * renumbered. The node id nodeIdsToDuplicateBg[0] will have id this->getNumberOfNodes()+0, node id nodeIdsToDuplicateBg[1] will have id this->getNumberOfNodes()+1,
2403 * node id nodeIdsToDuplicateBg[2] will have id this->getNumberOfNodes()+2...
2405 * As a consequence nodal connectivity array length will remain unchanged by this method, and nodal connectivity index array will remain unchanged by this method.
2407 * \param [in] nodeIdsToDuplicateBg begin of node ids (included) to be duplicated in connectivity only
2408 * \param [in] nodeIdsToDuplicateEnd end of node ids (excluded) to be duplicated in connectivity only
2410 void MEDCouplingUMesh::duplicateNodes(const int *nodeIdsToDuplicateBg, const int *nodeIdsToDuplicateEnd)
2412 int nbOfNodes=getNumberOfNodes();
2413 duplicateNodesInCoords(nodeIdsToDuplicateBg,nodeIdsToDuplicateEnd);
2414 duplicateNodesInConn(nodeIdsToDuplicateBg,nodeIdsToDuplicateEnd,nbOfNodes);
2418 * Changes ids of nodes within the nodal connectivity arrays according to a permutation
2419 * array in "Old to New" mode. The node coordinates array is \b not changed by this method.
2420 * This method is a generalization of shiftNodeNumbersInConn().
2421 * \warning This method performs no check of validity of new ids. **Use it with care !**
2422 * \param [in] newNodeNumbersO2N - a permutation array, of length \a
2423 * this->getNumberOfNodes(), in "Old to New" mode.
2424 * See \ref MEDCouplingArrayRenumbering for more info on renumbering modes.
2425 * \throw If the nodal connectivity of cells is not defined.
2427 * \ref cpp_mcumesh_renumberNodesInConn "Here is a C++ example".<br>
2428 * \ref py_mcumesh_renumberNodesInConn "Here is a Python example".
2430 void MEDCouplingUMesh::renumberNodesInConn(const int *newNodeNumbersO2N)
2432 checkConnectivityFullyDefined();
2433 int *conn=getNodalConnectivity()->getPointer();
2434 const int *connIndex=getNodalConnectivityIndex()->getConstPointer();
2435 int nbOfCells=getNumberOfCells();
2436 for(int i=0;i<nbOfCells;i++)
2437 for(int iconn=connIndex[i]+1;iconn!=connIndex[i+1];iconn++)
2439 int& node=conn[iconn];
2440 if(node>=0)//avoid polyhedron separator
2442 node=newNodeNumbersO2N[node];
2445 _nodal_connec->declareAsNew();
2450 * This method renumbers nodes \b in \b connectivity \b only \b without \b any \b reference \b to \b coords.
2451 * This method performs no check on the fact that new coordinate ids are valid. \b Use \b it \b with \b care !
2452 * This method is an specialization of \ref ParaMEDMEM::MEDCouplingUMesh::renumberNodesInConn "renumberNodesInConn method".
2454 * \param [in] delta specifies the shift size applied to nodeId in nodal connectivity in \b this.
2456 void MEDCouplingUMesh::shiftNodeNumbersInConn(int delta)
2458 checkConnectivityFullyDefined();
2459 int *conn=getNodalConnectivity()->getPointer();
2460 const int *connIndex=getNodalConnectivityIndex()->getConstPointer();
2461 int nbOfCells=getNumberOfCells();
2462 for(int i=0;i<nbOfCells;i++)
2463 for(int iconn=connIndex[i]+1;iconn!=connIndex[i+1];iconn++)
2465 int& node=conn[iconn];
2466 if(node>=0)//avoid polyhedron separator
2471 _nodal_connec->declareAsNew();
2476 * This method operates a modification of the connectivity in \b this.
2477 * Coordinates are \b NOT considered here and will remain unchanged by this method. this->_coords can ever been null for the needs of this method.
2478 * Every time that a node id in [ \b nodeIdsToDuplicateBg, \b nodeIdsToDuplicateEnd ) will append in nodal connectivity of \b this
2479 * its ids will be modified to id offset+std::distance(nodeIdsToDuplicateBg,std::find(nodeIdsToDuplicateBg,nodeIdsToDuplicateEnd,id)).
2480 * More explicitely the renumber array in nodes is not explicitely given in old2new to avoid to build a big array of renumbering whereas typically few node ids needs to be
2481 * renumbered. The node id nodeIdsToDuplicateBg[0] will have id offset+0, node id nodeIdsToDuplicateBg[1] will have id offset+1,
2482 * node id nodeIdsToDuplicateBg[2] will have id offset+2...
2484 * As a consequence nodal connectivity array length will remain unchanged by this method, and nodal connectivity index array will remain unchanged by this method.
2485 * As an another consequense after the call of this method \b this can be transiently non cohrent.
2487 * \param [in] nodeIdsToDuplicateBg begin of node ids (included) to be duplicated in connectivity only
2488 * \param [in] nodeIdsToDuplicateEnd end of node ids (excluded) to be duplicated in connectivity only
2489 * \param [in] offset the offset applied to all node ids in connectivity that are in [ \a nodeIdsToDuplicateBg, \a nodeIdsToDuplicateEnd ).
2491 void MEDCouplingUMesh::duplicateNodesInConn(const int *nodeIdsToDuplicateBg, const int *nodeIdsToDuplicateEnd, int offset)
2493 checkConnectivityFullyDefined();
2494 std::map<int,int> m;
2496 for(const int *work=nodeIdsToDuplicateBg;work!=nodeIdsToDuplicateEnd;work++,val++)
2498 int *conn=getNodalConnectivity()->getPointer();
2499 const int *connIndex=getNodalConnectivityIndex()->getConstPointer();
2500 int nbOfCells=getNumberOfCells();
2501 for(int i=0;i<nbOfCells;i++)
2502 for(int iconn=connIndex[i]+1;iconn!=connIndex[i+1];iconn++)
2504 int& node=conn[iconn];
2505 if(node>=0)//avoid polyhedron separator
2507 std::map<int,int>::iterator it=m.find(node);
2516 * This method renumbers cells of \a this using the array specified by [old2NewBg;old2NewBg+getNumberOfCells())
2518 * Contrary to MEDCouplingPointSet::renumberNodes, this method makes a permutation without any fuse of cell.
2519 * After the call of this method the number of cells remains the same as before.
2521 * If 'check' equals true the method will check that any elements in [ \a old2NewBg; \a old2NewEnd ) is unique ; if not
2522 * an INTERP_KERNEL::Exception will be thrown. When 'check' equals true [ \a old2NewBg ; \a old2NewEnd ) is not expected to
2523 * be strictly in [0;this->getNumberOfCells()).
2525 * If 'check' equals false the method will not check the content of [ \a old2NewBg ; \a old2NewEnd ).
2526 * To avoid any throw of SIGSEGV when 'check' equals false, the elements in [ \a old2NewBg ; \a old2NewEnd ) should be unique and
2527 * should be contained in[0;this->getNumberOfCells()).
2529 * \param [in] old2NewBg is expected to be a dynamically allocated pointer of size at least equal to this->getNumberOfCells()
2531 void MEDCouplingUMesh::renumberCells(const int *old2NewBg, bool check)
2533 checkConnectivityFullyDefined();
2534 int nbCells=getNumberOfCells();
2535 const int *array=old2NewBg;
2537 array=DataArrayInt::CheckAndPreparePermutation(old2NewBg,old2NewBg+nbCells);
2539 const int *conn=_nodal_connec->getConstPointer();
2540 const int *connI=_nodal_connec_index->getConstPointer();
2541 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> o2n=DataArrayInt::New(); o2n->useArray(array,false,C_DEALLOC,nbCells,1);
2542 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> n2o=o2n->invertArrayO2N2N2O(nbCells);
2543 const int *n2oPtr=n2o->begin();
2544 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> newConn=DataArrayInt::New();
2545 newConn->alloc(_nodal_connec->getNumberOfTuples(),_nodal_connec->getNumberOfComponents());
2546 newConn->copyStringInfoFrom(*_nodal_connec);
2547 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> newConnI=DataArrayInt::New();
2548 newConnI->alloc(_nodal_connec_index->getNumberOfTuples(),_nodal_connec_index->getNumberOfComponents());
2549 newConnI->copyStringInfoFrom(*_nodal_connec_index);
2551 int *newC=newConn->getPointer();
2552 int *newCI=newConnI->getPointer();
2555 for(int i=0;i<nbCells;i++)
2558 int nbOfElts=connI[pos+1]-connI[pos];
2559 newC=std::copy(conn+connI[pos],conn+connI[pos+1],newC);
2564 setConnectivity(newConn,newConnI);
2566 free(const_cast<int *>(array));
2570 * Finds cells whose bounding boxes intersect a given bounding box.
2571 * \param [in] bbox - an array defining the bounding box via coordinates of its
2572 * extremum points in "no interlace" mode, i.e. xMin, xMax, yMin, yMax, zMin,
2574 * \param [in] eps - a factor used to increase size of the bounding box of cell
2575 * before comparing it with \a bbox. This factor is multiplied by the maximal
2576 * extent of the bounding box of cell to produce an addition to this bounding box.
2577 * \return DataArrayInt * - a new instance of DataArrayInt holding ids for found
2578 * cells. The caller is to delete this array using decrRef() as it is no more
2580 * \throw If the coordinates array is not set.
2581 * \throw If the nodal connectivity of cells is not defined.
2583 * \ref cpp_mcumesh_getCellsInBoundingBox "Here is a C++ example".<br>
2584 * \ref py_mcumesh_getCellsInBoundingBox "Here is a Python example".
2586 DataArrayInt *MEDCouplingUMesh::getCellsInBoundingBox(const double *bbox, double eps) const
2588 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> elems=DataArrayInt::New(); elems->alloc(0,1);
2589 if(getMeshDimension()==-1)
2591 elems->pushBackSilent(0);
2592 return elems.retn();
2594 int dim=getSpaceDimension();
2595 INTERP_KERNEL::AutoPtr<double> elem_bb=new double[2*dim];
2596 const int* conn = getNodalConnectivity()->getConstPointer();
2597 const int* conn_index= getNodalConnectivityIndex()->getConstPointer();
2598 const double* coords = getCoords()->getConstPointer();
2599 int nbOfCells=getNumberOfCells();
2600 for ( int ielem=0; ielem<nbOfCells;ielem++ )
2602 for (int i=0; i<dim; i++)
2604 elem_bb[i*2]=std::numeric_limits<double>::max();
2605 elem_bb[i*2+1]=-std::numeric_limits<double>::max();
2608 for (int inode=conn_index[ielem]+1; inode<conn_index[ielem+1]; inode++)//+1 due to offset of cell type.
2610 int node= conn[inode];
2611 if(node>=0)//avoid polyhedron separator
2613 for (int idim=0; idim<dim; idim++)
2615 if ( coords[node*dim+idim] < elem_bb[idim*2] )
2617 elem_bb[idim*2] = coords[node*dim+idim] ;
2619 if ( coords[node*dim+idim] > elem_bb[idim*2+1] )
2621 elem_bb[idim*2+1] = coords[node*dim+idim] ;
2626 if (intersectsBoundingBox(elem_bb, bbox, dim, eps))
2627 elems->pushBackSilent(ielem);
2629 return elems.retn();
2633 * Given a boundary box 'bbox' returns elements 'elems' contained in this 'bbox' or touching 'bbox' (within 'eps' distance).
2634 * Warning 'elems' is incremented during the call so if elems is not empty before call returned elements will be
2635 * added in 'elems' parameter.
2637 DataArrayInt *MEDCouplingUMesh::getCellsInBoundingBox(const INTERP_KERNEL::DirectedBoundingBox& bbox, double eps)
2639 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> elems=DataArrayInt::New(); elems->alloc(0,1);
2640 if(getMeshDimension()==-1)
2642 elems->pushBackSilent(0);
2643 return elems.retn();
2645 int dim=getSpaceDimension();
2646 INTERP_KERNEL::AutoPtr<double> elem_bb=new double[2*dim];
2647 const int* conn = getNodalConnectivity()->getConstPointer();
2648 const int* conn_index= getNodalConnectivityIndex()->getConstPointer();
2649 const double* coords = getCoords()->getConstPointer();
2650 int nbOfCells=getNumberOfCells();
2651 for ( int ielem=0; ielem<nbOfCells;ielem++ )
2653 for (int i=0; i<dim; i++)
2655 elem_bb[i*2]=std::numeric_limits<double>::max();
2656 elem_bb[i*2+1]=-std::numeric_limits<double>::max();
2659 for (int inode=conn_index[ielem]+1; inode<conn_index[ielem+1]; inode++)//+1 due to offset of cell type.
2661 int node= conn[inode];
2662 if(node>=0)//avoid polyhedron separator
2664 for (int idim=0; idim<dim; idim++)
2666 if ( coords[node*dim+idim] < elem_bb[idim*2] )
2668 elem_bb[idim*2] = coords[node*dim+idim] ;
2670 if ( coords[node*dim+idim] > elem_bb[idim*2+1] )
2672 elem_bb[idim*2+1] = coords[node*dim+idim] ;
2677 if(intersectsBoundingBox(bbox, elem_bb, dim, eps))
2678 elems->pushBackSilent(ielem);
2680 return elems.retn();
2684 * Returns a type of a cell by its id.
2685 * \param [in] cellId - the id of the cell of interest.
2686 * \return INTERP_KERNEL::NormalizedCellType - enumeration item describing the cell type.
2687 * \throw If \a cellId is invalid. Valid range is [0, \a this->getNumberOfCells() ).
2689 INTERP_KERNEL::NormalizedCellType MEDCouplingUMesh::getTypeOfCell(int cellId) const
2691 const int *ptI=_nodal_connec_index->getConstPointer();
2692 const int *pt=_nodal_connec->getConstPointer();
2693 if(cellId>=0 && cellId<(int)_nodal_connec_index->getNbOfElems()-1)
2694 return (INTERP_KERNEL::NormalizedCellType) pt[ptI[cellId]];
2697 std::ostringstream oss; oss << "MEDCouplingUMesh::getTypeOfCell : Requesting type of cell #" << cellId << " but it should be in [0," << _nodal_connec_index->getNbOfElems()-1 << ") !";
2698 throw INTERP_KERNEL::Exception(oss.str().c_str());
2703 * This method returns a newly allocated array containing cell ids (ascendingly sorted) whose geometric type are equal to type.
2704 * This method does not throw exception if geometric type \a type is not in \a this.
2705 * This method throws an INTERP_KERNEL::Exception if meshdimension of \b this is not equal to those of \b type.
2706 * The coordinates array is not considered here.
2708 * \param [in] type the geometric type
2709 * \return cell ids in this having geometric type \a type.
2711 DataArrayInt *MEDCouplingUMesh::giveCellsWithType(INTERP_KERNEL::NormalizedCellType type) const
2714 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> ret=DataArrayInt::New();
2716 checkConnectivityFullyDefined();
2717 int nbCells=getNumberOfCells();
2718 int mdim=getMeshDimension();
2719 const INTERP_KERNEL::CellModel& cm=INTERP_KERNEL::CellModel::GetCellModel(type);
2720 if(mdim!=(int)cm.getDimension())
2721 throw INTERP_KERNEL::Exception("MEDCouplingUMesh::giveCellsWithType : Mismatch between mesh dimension and dimension of the cell !");
2722 const int *ptI=_nodal_connec_index->getConstPointer();
2723 const int *pt=_nodal_connec->getConstPointer();
2724 for(int i=0;i<nbCells;i++)
2726 if((INTERP_KERNEL::NormalizedCellType)pt[ptI[i]]==type)
2727 ret->pushBackSilent(i);
2733 * Returns nb of cells having the geometric type \a type. No throw if no cells in \a this has the geometric type \a type.
2735 int MEDCouplingUMesh::getNumberOfCellsWithType(INTERP_KERNEL::NormalizedCellType type) const
2737 const int *ptI=_nodal_connec_index->getConstPointer();
2738 const int *pt=_nodal_connec->getConstPointer();
2739 int nbOfCells=getNumberOfCells();
2741 for(int i=0;i<nbOfCells;i++)
2742 if((INTERP_KERNEL::NormalizedCellType) pt[ptI[i]]==type)
2748 * Returns the nodal connectivity of a given cell.
2749 * The separator of faces within polyhedron connectivity (-1) is not returned, thus
2750 * all returned node ids can be used in getCoordinatesOfNode().
2751 * \param [in] cellId - an id of the cell of interest.
2752 * \param [in,out] conn - a vector where the node ids are appended. It is not
2753 * cleared before the appending.
2754 * \throw If \a cellId is invalid. Valid range is [0, \a this->getNumberOfCells() ).
2756 void MEDCouplingUMesh::getNodeIdsOfCell(int cellId, std::vector<int>& conn) const
2758 const int *ptI=_nodal_connec_index->getConstPointer();
2759 const int *pt=_nodal_connec->getConstPointer();
2760 for(const int *w=pt+ptI[cellId]+1;w!=pt+ptI[cellId+1];w++)
2765 std::string MEDCouplingUMesh::simpleRepr() const
2767 static const char msg0[]="No coordinates specified !";
2768 std::ostringstream ret;
2769 ret << "Unstructured mesh with name : \"" << getName() << "\"\n";
2770 ret << "Description of mesh : \"" << getDescription() << "\"\n";
2772 double tt=getTime(tmpp1,tmpp2);
2773 ret << "Time attached to the mesh [unit] : " << tt << " [" << getTimeUnit() << "]\n";
2774 ret << "Iteration : " << tmpp1 << " Order : " << tmpp2 << "\n";
2776 { ret << "Mesh dimension : " << _mesh_dim << "\nSpace dimension : "; }
2778 { ret << " Mesh dimension has not been set or is invalid !"; }
2781 const int spaceDim=getSpaceDimension();
2782 ret << spaceDim << "\nInfo attached on space dimension : ";
2783 for(int i=0;i<spaceDim;i++)
2784 ret << "\"" << _coords->getInfoOnComponent(i) << "\" ";
2788 ret << msg0 << "\n";
2789 ret << "Number of nodes : ";
2791 ret << getNumberOfNodes() << "\n";
2793 ret << msg0 << "\n";
2794 ret << "Number of cells : ";
2795 if(_nodal_connec!=0 && _nodal_connec_index!=0)
2796 ret << getNumberOfCells() << "\n";
2798 ret << "No connectivity specified !" << "\n";
2799 ret << "Cell types present : ";
2800 for(std::set<INTERP_KERNEL::NormalizedCellType>::const_iterator iter=_types.begin();iter!=_types.end();iter++)
2802 const INTERP_KERNEL::CellModel& cm=INTERP_KERNEL::CellModel::GetCellModel(*iter);
2803 ret << cm.getRepr() << " ";
2809 std::string MEDCouplingUMesh::advancedRepr() const
2811 std::ostringstream ret;
2812 ret << simpleRepr();
2813 ret << "\nCoordinates array : \n___________________\n\n";
2815 _coords->reprWithoutNameStream(ret);
2817 ret << "No array set !\n";
2818 ret << "\n\nConnectivity arrays : \n_____________________\n\n";
2819 reprConnectivityOfThisLL(ret);
2824 * This method returns a C++ code that is a dump of \a this.
2825 * This method will throw if this is not fully defined.
2827 std::string MEDCouplingUMesh::cppRepr() const
2829 static const char coordsName[]="coords";
2830 static const char connName[]="conn";
2831 static const char connIName[]="connI";
2832 checkFullyDefined();
2833 std::ostringstream ret; ret << "// coordinates" << std::endl;
2834 _coords->reprCppStream(coordsName,ret); ret << std::endl << "// connectivity" << std::endl;
2835 _nodal_connec->reprCppStream(connName,ret); ret << std::endl;
2836 _nodal_connec_index->reprCppStream(connIName,ret); ret << std::endl;
2837 ret << "MEDCouplingUMesh *mesh=MEDCouplingUMesh::New(\"" << getName() << "\"," << getMeshDimension() << ");" << std::endl;
2838 ret << "mesh->setCoords(" << coordsName << ");" << std::endl;
2839 ret << "mesh->setConnectivity(" << connName << "," << connIName << ",true);" << std::endl;
2840 ret << coordsName << "->decrRef(); " << connName << "->decrRef(); " << connIName << "->decrRef();" << std::endl;
2844 std::string MEDCouplingUMesh::reprConnectivityOfThis() const
2846 std::ostringstream ret;
2847 reprConnectivityOfThisLL(ret);
2852 * This method builds a newly allocated instance (with the same name than \a this) that the caller has the responsability to deal with.
2853 * This method returns an instance with all arrays allocated (connectivity, connectivity index, coordinates)
2854 * but with length of these arrays set to 0. It allows to define an "empty" mesh (with nor cells nor nodes but compliant with
2857 * This method expects that \a this has a mesh dimension set and higher or equal to 0. If not an exception will be thrown.
2858 * This method analyzes the 3 arrays of \a this. For each the following behaviour is done : if the array is null a newly one is created
2859 * with number of tuples set to 0, if not the array is taken as this in the returned instance.
2861 MEDCouplingUMesh *MEDCouplingUMesh::buildSetInstanceFromThis(int spaceDim) const
2863 int mdim=getMeshDimension();
2865 throw INTERP_KERNEL::Exception("MEDCouplingUMesh::buildSetInstanceFromThis : invalid mesh dimension ! Should be >= 0 !");
2866 MEDCouplingAutoRefCountObjectPtr<MEDCouplingUMesh> ret=MEDCouplingUMesh::New(getName().c_str(),mdim);
2867 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> tmp1,tmp2;
2868 bool needToCpyCT=true;
2871 tmp1=DataArrayInt::New(); tmp1->alloc(0,1);
2879 if(!_nodal_connec_index)
2881 tmp2=DataArrayInt::New(); tmp2->alloc(1,1); tmp2->setIJ(0,0,0);
2886 tmp2=_nodal_connec_index;
2889 ret->setConnectivity(tmp1,tmp2,false);
2894 MEDCouplingAutoRefCountObjectPtr<DataArrayDouble> coords=DataArrayDouble::New(); coords->alloc(0,spaceDim);
2895 ret->setCoords(coords);
2898 ret->setCoords(_coords);
2902 void MEDCouplingUMesh::reprConnectivityOfThisLL(std::ostringstream& stream) const
2904 if(_nodal_connec!=0 && _nodal_connec_index!=0)
2906 int nbOfCells=getNumberOfCells();
2907 const int *c=_nodal_connec->getConstPointer();
2908 const int *ci=_nodal_connec_index->getConstPointer();
2909 for(int i=0;i<nbOfCells;i++)
2911 const INTERP_KERNEL::CellModel& cm=INTERP_KERNEL::CellModel::GetCellModel((INTERP_KERNEL::NormalizedCellType)c[ci[i]]);
2912 stream << "Cell #" << i << " " << cm.getRepr() << " : ";
2913 std::copy(c+ci[i]+1,c+ci[i+1],std::ostream_iterator<int>(stream," "));
2918 stream << "Connectivity not defined !\n";
2921 int MEDCouplingUMesh::getNumberOfNodesInCell(int cellId) const
2923 const int *ptI=_nodal_connec_index->getConstPointer();
2924 const int *pt=_nodal_connec->getConstPointer();
2925 if(pt[ptI[cellId]]!=INTERP_KERNEL::NORM_POLYHED)
2926 return ptI[cellId+1]-ptI[cellId]-1;
2928 return (int)std::count_if(pt+ptI[cellId]+1,pt+ptI[cellId+1],std::bind2nd(std::not_equal_to<int>(),-1));
2932 * Returns types of cells of the specified part of \a this mesh.
2933 * This method avoids computing sub-mesh explicitely to get its types.
2934 * \param [in] begin - an array of cell ids of interest.
2935 * \param [in] end - the end of \a begin, i.e. a pointer to its (last+1)-th element.
2936 * \return std::set<INTERP_KERNEL::NormalizedCellType> - a set of enumeration items
2937 * describing the cell types.
2938 * \throw If the coordinates array is not set.
2939 * \throw If the nodal connectivity of cells is not defined.
2940 * \sa getAllGeoTypes()
2942 std::set<INTERP_KERNEL::NormalizedCellType> MEDCouplingUMesh::getTypesOfPart(const int *begin, const int *end) const
2944 checkFullyDefined();
2945 std::set<INTERP_KERNEL::NormalizedCellType> ret;
2946 const int *conn=_nodal_connec->getConstPointer();
2947 const int *connIndex=_nodal_connec_index->getConstPointer();
2948 for(const int *w=begin;w!=end;w++)
2949 ret.insert((INTERP_KERNEL::NormalizedCellType)conn[connIndex[*w]]);
2954 * Defines the nodal connectivity using given connectivity arrays. Optionally updates
2955 * a set of types of cells constituting \a this mesh.
2956 * This method is for advanced users having prepared their connectivity before. For
2957 * more info on using this method see \ref MEDCouplingUMeshAdvBuild.
2958 * \param [in] conn - the nodal connectivity array.
2959 * \param [in] connIndex - the nodal connectivity index array.
2960 * \param [in] isComputingTypes - if \c true, the set of types constituting \a this
2963 void MEDCouplingUMesh::setConnectivity(DataArrayInt *conn, DataArrayInt *connIndex, bool isComputingTypes)
2965 DataArrayInt::SetArrayIn(conn,_nodal_connec);
2966 DataArrayInt::SetArrayIn(connIndex,_nodal_connec_index);
2967 if(isComputingTypes)
2973 * Copy constructor. If 'deepCpy' is false \a this is a shallow copy of other.
2974 * If 'deeCpy' is true all arrays (coordinates and connectivities) are deeply copied.
2976 MEDCouplingUMesh::MEDCouplingUMesh(const MEDCouplingUMesh& other, bool deepCopy):MEDCouplingPointSet(other,deepCopy),_mesh_dim(other._mesh_dim),
2977 _nodal_connec(0),_nodal_connec_index(0),
2978 _types(other._types)
2980 if(other._nodal_connec)
2981 _nodal_connec=other._nodal_connec->performCpy(deepCopy);
2982 if(other._nodal_connec_index)
2983 _nodal_connec_index=other._nodal_connec_index->performCpy(deepCopy);
2986 MEDCouplingUMesh::~MEDCouplingUMesh()
2989 _nodal_connec->decrRef();
2990 if(_nodal_connec_index)
2991 _nodal_connec_index->decrRef();
2995 * Recomputes a set of cell types of \a this mesh. For more info see
2996 * \ref MEDCouplingUMeshNodalConnectivity.
2998 void MEDCouplingUMesh::computeTypes()
3000 if(_nodal_connec && _nodal_connec_index)
3003 const int *conn=_nodal_connec->getConstPointer();
3004 const int *connIndex=_nodal_connec_index->getConstPointer();
3005 int nbOfElem=_nodal_connec_index->getNbOfElems()-1;
3007 for(const int *pt=connIndex;pt !=connIndex+nbOfElem;pt++)
3008 _types.insert((INTERP_KERNEL::NormalizedCellType)conn[*pt]);
3013 * This method checks that all arrays are set. If yes nothing done if no an exception is thrown.
3015 void MEDCouplingUMesh::checkFullyDefined() const
3017 if(!_nodal_connec_index || !_nodal_connec || !_coords)
3018 throw INTERP_KERNEL::Exception("Reverse nodal connectivity computation requires full connectivity and coordinates set in unstructured mesh.");
3022 * This method checks that all connectivity arrays are set. If yes nothing done if no an exception is thrown.
3024 void MEDCouplingUMesh::checkConnectivityFullyDefined() const
3026 if(!_nodal_connec_index || !_nodal_connec)
3027 throw INTERP_KERNEL::Exception("Reverse nodal connectivity computation requires full connectivity set in unstructured mesh.");
3031 * Returns a number of cells constituting \a this mesh.
3032 * \return int - the number of cells in \a this mesh.
3033 * \throw If the nodal connectivity of cells is not defined.
3035 int MEDCouplingUMesh::getNumberOfCells() const
3037 if(_nodal_connec_index)
3038 return _nodal_connec_index->getNumberOfTuples()-1;
3043 throw INTERP_KERNEL::Exception("Unable to get number of cells because no connectivity specified !");
3047 * Returns a dimension of \a this mesh, i.e. a dimension of cells constituting \a this
3048 * mesh. For more info see \ref MEDCouplingMeshesPage.
3049 * \return int - the dimension of \a this mesh.
3050 * \throw If the mesh dimension is not defined using setMeshDimension().
3052 int MEDCouplingUMesh::getMeshDimension() const
3055 throw INTERP_KERNEL::Exception("No mesh dimension specified !");
3060 * Returns a length of the nodal connectivity array.
3061 * This method is for test reason. Normally the integer returned is not useable by
3062 * user. For more info see \ref MEDCouplingUMeshNodalConnectivity.
3063 * \return int - the length of the nodal connectivity array.
3065 int MEDCouplingUMesh::getMeshLength() const
3067 return _nodal_connec->getNbOfElems();
3071 * First step of serialization process. Used by ParaMEDMEM and MEDCouplingCorba to transfert data between process.
3073 void MEDCouplingUMesh::getTinySerializationInformation(std::vector<double>& tinyInfoD, std::vector<int>& tinyInfo, std::vector<std::string>& littleStrings) const
3075 MEDCouplingPointSet::getTinySerializationInformation(tinyInfoD,tinyInfo,littleStrings);
3076 tinyInfo.push_back(getMeshDimension());
3077 tinyInfo.push_back(getNumberOfCells());
3079 tinyInfo.push_back(getMeshLength());
3081 tinyInfo.push_back(-1);
3085 * First step of unserialization process.
3087 bool MEDCouplingUMesh::isEmptyMesh(const std::vector<int>& tinyInfo) const
3089 return tinyInfo[6]<=0;
3093 * Second step of serialization process.
3094 * \param tinyInfo must be equal to the result given by getTinySerializationInformation method.
3096 void MEDCouplingUMesh::resizeForUnserialization(const std::vector<int>& tinyInfo, DataArrayInt *a1, DataArrayDouble *a2, std::vector<std::string>& littleStrings) const
3098 MEDCouplingPointSet::resizeForUnserialization(tinyInfo,a1,a2,littleStrings);
3100 a1->alloc(tinyInfo[7]+tinyInfo[6]+1,1);
3104 * Third and final step of serialization process.
3106 void MEDCouplingUMesh::serialize(DataArrayInt *&a1, DataArrayDouble *&a2) const
3108 MEDCouplingPointSet::serialize(a1,a2);
3109 if(getMeshDimension()>-1)
3111 a1=DataArrayInt::New();
3112 a1->alloc(getMeshLength()+getNumberOfCells()+1,1);
3113 int *ptA1=a1->getPointer();
3114 const int *conn=getNodalConnectivity()->getConstPointer();
3115 const int *index=getNodalConnectivityIndex()->getConstPointer();
3116 ptA1=std::copy(index,index+getNumberOfCells()+1,ptA1);
3117 std::copy(conn,conn+getMeshLength(),ptA1);
3124 * Second and final unserialization process.
3125 * \param tinyInfo must be equal to the result given by getTinySerializationInformation method.
3127 void MEDCouplingUMesh::unserialization(const std::vector<double>& tinyInfoD, const std::vector<int>& tinyInfo, const DataArrayInt *a1, DataArrayDouble *a2, const std::vector<std::string>& littleStrings)
3129 MEDCouplingPointSet::unserialization(tinyInfoD,tinyInfo,a1,a2,littleStrings);
3130 setMeshDimension(tinyInfo[5]);
3134 const int *recvBuffer=a1->getConstPointer();
3135 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> myConnecIndex=DataArrayInt::New();
3136 myConnecIndex->alloc(tinyInfo[6]+1,1);
3137 std::copy(recvBuffer,recvBuffer+tinyInfo[6]+1,myConnecIndex->getPointer());
3138 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> myConnec=DataArrayInt::New();
3139 myConnec->alloc(tinyInfo[7],1);
3140 std::copy(recvBuffer+tinyInfo[6]+1,recvBuffer+tinyInfo[6]+1+tinyInfo[7],myConnec->getPointer());
3141 setConnectivity(myConnec, myConnecIndex);
3146 * This is the low algorithm of MEDCouplingUMesh::buildPartOfMySelf2.
3147 * CellIds are given using range specified by a start an end and step.
3149 MEDCouplingPointSet *MEDCouplingUMesh::buildPartOfMySelfKeepCoords2(int start, int end, int step) const
3151 checkFullyDefined();
3152 int ncell=getNumberOfCells();
3153 MEDCouplingAutoRefCountObjectPtr<MEDCouplingUMesh> ret=MEDCouplingUMesh::New();
3154 ret->_mesh_dim=_mesh_dim;
3155 ret->setCoords(_coords);
3156 int newNbOfCells=DataArray::GetNumberOfItemGivenBESRelative(start,end,step,"MEDCouplingUMesh::buildPartOfMySelfKeepCoords2 : ");
3157 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> newConnI=DataArrayInt::New(); newConnI->alloc(newNbOfCells+1,1);
3158 int *newConnIPtr=newConnI->getPointer(); *newConnIPtr=0;
3160 const int *conn=_nodal_connec->getConstPointer();
3161 const int *connIndex=_nodal_connec_index->getConstPointer();
3162 for(int i=0;i<newNbOfCells;i++,newConnIPtr++,work+=step)
3164 if(work>=0 && work<ncell)
3166 newConnIPtr[1]=newConnIPtr[0]+connIndex[work+1]-connIndex[work];
3170 std::ostringstream oss; oss << "MEDCouplingUMesh::buildPartOfMySelfKeepCoords2 : On pos #" << i << " input cell id =" << work << " should be in [0," << ncell << ") !";
3171 throw INTERP_KERNEL::Exception(oss.str().c_str());
3174 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> newConn=DataArrayInt::New(); newConn->alloc(newConnIPtr[0],1);
3175 int *newConnPtr=newConn->getPointer();
3176 std::set<INTERP_KERNEL::NormalizedCellType> types;
3178 for(int i=0;i<newNbOfCells;i++,newConnIPtr++,work+=step)
3180 types.insert((INTERP_KERNEL::NormalizedCellType)conn[connIndex[work]]);
3181 newConnPtr=std::copy(conn+connIndex[work],conn+connIndex[work+1],newConnPtr);
3183 ret->setConnectivity(newConn,newConnI,false);
3185 ret->copyTinyInfoFrom(this);
3190 * This is the low algorithm of MEDCouplingUMesh::buildPartOfMySelf.
3191 * Keeps from \a this only cells which constituing point id are in the ids specified by [ \a begin,\a end ).
3192 * The return newly allocated mesh will share the same coordinates as \a this.
3194 MEDCouplingPointSet *MEDCouplingUMesh::buildPartOfMySelfKeepCoords(const int *begin, const int *end) const
3196 checkConnectivityFullyDefined();
3197 int ncell=getNumberOfCells();
3198 MEDCouplingAutoRefCountObjectPtr<MEDCouplingUMesh> ret=MEDCouplingUMesh::New();
3199 ret->_mesh_dim=_mesh_dim;
3200 ret->setCoords(_coords);
3201 std::size_t nbOfElemsRet=std::distance(begin,end);
3202 int *connIndexRet=(int *)malloc((nbOfElemsRet+1)*sizeof(int));
3204 const int *conn=_nodal_connec->getConstPointer();
3205 const int *connIndex=_nodal_connec_index->getConstPointer();
3207 for(const int *work=begin;work!=end;work++,newNbring++)
3209 if(*work>=0 && *work<ncell)
3210 connIndexRet[newNbring+1]=connIndexRet[newNbring]+connIndex[*work+1]-connIndex[*work];
3214 std::ostringstream oss; oss << "MEDCouplingUMesh::buildPartOfMySelfKeepCoords : On pos #" << std::distance(begin,work) << " input cell id =" << *work << " should be in [0," << ncell << ") !";
3215 throw INTERP_KERNEL::Exception(oss.str().c_str());
3218 int *connRet=(int *)malloc(connIndexRet[nbOfElemsRet]*sizeof(int));
3219 int *connRetWork=connRet;
3220 std::set<INTERP_KERNEL::NormalizedCellType> types;
3221 for(const int *work=begin;work!=end;work++)
3223 types.insert((INTERP_KERNEL::NormalizedCellType)conn[connIndex[*work]]);
3224 connRetWork=std::copy(conn+connIndex[*work],conn+connIndex[*work+1],connRetWork);
3226 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> connRetArr=DataArrayInt::New();
3227 connRetArr->useArray(connRet,true,C_DEALLOC,connIndexRet[nbOfElemsRet],1);
3228 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> connIndexRetArr=DataArrayInt::New();
3229 connIndexRetArr->useArray(connIndexRet,true,C_DEALLOC,(int)nbOfElemsRet+1,1);
3230 ret->setConnectivity(connRetArr,connIndexRetArr,false);
3232 ret->copyTinyInfoFrom(this);
3237 * Returns a new MEDCouplingFieldDouble containing volumes of cells constituting \a this
3239 * For 1D cells, the returned field contains lengths.<br>
3240 * For 2D cells, the returned field contains areas.<br>
3241 * For 3D cells, the returned field contains volumes.
3242 * \param [in] isAbs - if \c true, the computed cell volume does not reflect cell
3243 * orientation, i.e. the volume is always positive.
3244 * \return MEDCouplingFieldDouble * - a new instance of MEDCouplingFieldDouble on cells
3245 * and one time . The caller is to delete this field using decrRef() as it is no
3248 MEDCouplingFieldDouble *MEDCouplingUMesh::getMeasureField(bool isAbs) const
3250 std::string name="MeasureOfMesh_";
3252 int nbelem=getNumberOfCells();
3253 MEDCouplingAutoRefCountObjectPtr<MEDCouplingFieldDouble> field=MEDCouplingFieldDouble::New(ON_CELLS,ONE_TIME);
3254 field->setName(name.c_str());
3255 MEDCouplingAutoRefCountObjectPtr<DataArrayDouble> array=DataArrayDouble::New();
3256 array->alloc(nbelem,1);
3257 double *area_vol=array->getPointer();
3258 field->setArray(array) ; array=0;
3259 field->setMesh(const_cast<MEDCouplingUMesh *>(this));
3260 field->synchronizeTimeWithMesh();
3261 if(getMeshDimension()!=-1)
3264 INTERP_KERNEL::NormalizedCellType type;
3265 int dim_space=getSpaceDimension();
3266 const double *coords=getCoords()->getConstPointer();
3267 const int *connec=getNodalConnectivity()->getConstPointer();
3268 const int *connec_index=getNodalConnectivityIndex()->getConstPointer();
3269 for(int iel=0;iel<nbelem;iel++)
3271 ipt=connec_index[iel];
3272 type=(INTERP_KERNEL::NormalizedCellType)connec[ipt];
3273 area_vol[iel]=INTERP_KERNEL::computeVolSurfOfCell2<int,INTERP_KERNEL::ALL_C_MODE>(type,connec+ipt+1,connec_index[iel+1]-ipt-1,coords,dim_space);
3276 std::transform(area_vol,area_vol+nbelem,area_vol,std::ptr_fun<double,double>(fabs));
3280 area_vol[0]=std::numeric_limits<double>::max();
3282 return field.retn();
3286 * Returns a new DataArrayDouble containing volumes of specified cells of \a this
3288 * For 1D cells, the returned array contains lengths.<br>
3289 * For 2D cells, the returned array contains areas.<br>
3290 * For 3D cells, the returned array contains volumes.
3291 * This method avoids building explicitly a part of \a this mesh to perform the work.
3292 * \param [in] isAbs - if \c true, the computed cell volume does not reflect cell
3293 * orientation, i.e. the volume is always positive.
3294 * \param [in] begin - an array of cell ids of interest.
3295 * \param [in] end - the end of \a begin, i.e. a pointer to its (last+1)-th element.
3296 * \return DataArrayDouble * - a new instance of DataArrayDouble. The caller is to
3297 * delete this array using decrRef() as it is no more needed.
3299 * \ref cpp_mcumesh_getPartMeasureField "Here is a C++ example".<br>
3300 * \ref py_mcumesh_getPartMeasureField "Here is a Python example".
3301 * \sa getMeasureField()
3303 DataArrayDouble *MEDCouplingUMesh::getPartMeasureField(bool isAbs, const int *begin, const int *end) const
3305 std::string name="PartMeasureOfMesh_";
3307 int nbelem=(int)std::distance(begin,end);
3308 MEDCouplingAutoRefCountObjectPtr<DataArrayDouble> array=DataArrayDouble::New();
3309 array->setName(name.c_str());
3310 array->alloc(nbelem,1);
3311 double *area_vol=array->getPointer();
3312 if(getMeshDimension()!=-1)
3315 INTERP_KERNEL::NormalizedCellType type;
3316 int dim_space=getSpaceDimension();
3317 const double *coords=getCoords()->getConstPointer();
3318 const int *connec=getNodalConnectivity()->getConstPointer();
3319 const int *connec_index=getNodalConnectivityIndex()->getConstPointer();
3320 for(const int *iel=begin;iel!=end;iel++)
3322 ipt=connec_index[*iel];
3323 type=(INTERP_KERNEL::NormalizedCellType)connec[ipt];
3324 *area_vol++=INTERP_KERNEL::computeVolSurfOfCell2<int,INTERP_KERNEL::ALL_C_MODE>(type,connec+ipt+1,connec_index[*iel+1]-ipt-1,coords,dim_space);
3327 std::transform(array->getPointer(),area_vol,array->getPointer(),std::ptr_fun<double,double>(fabs));
3331 area_vol[0]=std::numeric_limits<double>::max();
3333 return array.retn();
3337 * Returns a new MEDCouplingFieldDouble containing volumes of cells of a dual mesh of
3338 * \a this one. The returned field contains the dual cell volume for each corresponding
3339 * node in \a this mesh. In other words, the field returns the getMeasureField() of
3340 * the dual mesh in P1 sens of \a this.<br>
3341 * For 1D cells, the returned field contains lengths.<br>
3342 * For 2D cells, the returned field contains areas.<br>
3343 * For 3D cells, the returned field contains volumes.
3344 * This method is useful to check "P1*" conservative interpolators.
3345 * \param [in] isAbs - if \c true, the computed cell volume does not reflect cell
3346 * orientation, i.e. the volume is always positive.
3347 * \return MEDCouplingFieldDouble * - a new instance of MEDCouplingFieldDouble on
3348 * nodes and one time. The caller is to delete this array using decrRef() as
3349 * it is no more needed.
3351 MEDCouplingFieldDouble *MEDCouplingUMesh::getMeasureFieldOnNode(bool isAbs) const
3353 MEDCouplingAutoRefCountObjectPtr<MEDCouplingFieldDouble> tmp=getMeasureField(isAbs);
3354 std::string name="MeasureOnNodeOfMesh_";
3356 int nbNodes=getNumberOfNodes();
3357 MEDCouplingAutoRefCountObjectPtr<MEDCouplingFieldDouble> ret=MEDCouplingFieldDouble::New(ON_NODES);
3358 double cst=1./((double)getMeshDimension()+1.);
3359 MEDCouplingAutoRefCountObjectPtr<DataArrayDouble> array=DataArrayDouble::New();
3360 array->alloc(nbNodes,1);
3361 double *valsToFill=array->getPointer();
3362 std::fill(valsToFill,valsToFill+nbNodes,0.);
3363 const double *values=tmp->getArray()->getConstPointer();
3364 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> da=DataArrayInt::New();
3365 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> daInd=DataArrayInt::New();
3366 getReverseNodalConnectivity(da,daInd);
3367 const int *daPtr=da->getConstPointer();
3368 const int *daIPtr=daInd->getConstPointer();
3369 for(int i=0;i<nbNodes;i++)
3370 for(const int *cell=daPtr+daIPtr[i];cell!=daPtr+daIPtr[i+1];cell++)
3371 valsToFill[i]+=cst*values[*cell];
3373 ret->setArray(array);
3378 * Returns a new MEDCouplingFieldDouble holding normal vectors to cells of \a this
3379 * mesh. The returned normal vectors to each cell have a norm2 equal to 1.
3380 * The computed vectors have <em> this->getMeshDimension()+1 </em> components
3381 * and are normalized.
3382 * <br> \a this can be either
3383 * - a 2D mesh in 2D or 3D space or
3384 * - an 1D mesh in 2D space.
3386 * \return MEDCouplingFieldDouble * - a new instance of MEDCouplingFieldDouble on
3387 * cells and one time. The caller is to delete this field using decrRef() as
3388 * it is no more needed.
3389 * \throw If the nodal connectivity of cells is not defined.
3390 * \throw If the coordinates array is not set.
3391 * \throw If the mesh dimension is not set.
3392 * \throw If the mesh and space dimension is not as specified above.
3394 MEDCouplingFieldDouble *MEDCouplingUMesh::buildOrthogonalField() const
3396 if((getMeshDimension()!=2) && (getMeshDimension()!=1 || getSpaceDimension()!=2))
3397 throw INTERP_KERNEL::Exception("Expected a umesh with ( meshDim == 2 spaceDim == 2 or 3 ) or ( meshDim == 1 spaceDim == 2 ) !");
3398 MEDCouplingAutoRefCountObjectPtr<MEDCouplingFieldDouble> ret=MEDCouplingFieldDouble::New(ON_CELLS,ONE_TIME);
3399 MEDCouplingAutoRefCountObjectPtr<DataArrayDouble> array=DataArrayDouble::New();
3400 int nbOfCells=getNumberOfCells();
3401 int nbComp=getMeshDimension()+1;
3402 array->alloc(nbOfCells,nbComp);
3403 double *vals=array->getPointer();
3404 const int *connI=_nodal_connec_index->getConstPointer();
3405 const int *conn=_nodal_connec->getConstPointer();
3406 const double *coords=_coords->getConstPointer();
3407 if(getMeshDimension()==2)
3409 if(getSpaceDimension()==3)
3411 MEDCouplingAutoRefCountObjectPtr<DataArrayDouble> loc=getBarycenterAndOwner();
3412 const double *locPtr=loc->getConstPointer();
3413 for(int i=0;i<nbOfCells;i++,vals+=3)
3415 int offset=connI[i];
3416 INTERP_KERNEL::crossprod<3>(locPtr+3*i,coords+3*conn[offset+1],coords+3*conn[offset+2],vals);
3417 double n=INTERP_KERNEL::norm<3>(vals);
3418 std::transform(vals,vals+3,vals,std::bind2nd(std::multiplies<double>(),1./n));
3423 MEDCouplingAutoRefCountObjectPtr<MEDCouplingFieldDouble> isAbs=getMeasureField(false);
3424 const double *isAbsPtr=isAbs->getArray()->begin();
3425 for(int i=0;i<nbOfCells;i++,isAbsPtr++)
3426 { vals[3*i]=0.; vals[3*i+1]=0.; vals[3*i+2]=*isAbsPtr>0.?1.:-1.; }
3429 else//meshdimension==1
3432 for(int i=0;i<nbOfCells;i++)
3434 int offset=connI[i];
3435 std::transform(coords+2*conn[offset+2],coords+2*conn[offset+2]+2,coords+2*conn[offset+1],tmp,std::minus<double>());
3436 double n=INTERP_KERNEL::norm<2>(tmp);
3437 std::transform(tmp,tmp+2,tmp,std::bind2nd(std::multiplies<double>(),1./n));
3442 ret->setArray(array);
3444 ret->synchronizeTimeWithSupport();
3449 * Returns a new MEDCouplingFieldDouble holding normal vectors to specified cells of
3450 * \a this mesh. The computed vectors have <em> this->getMeshDimension()+1 </em> components
3451 * and are normalized.
3452 * <br> \a this can be either
3453 * - a 2D mesh in 2D or 3D space or
3454 * - an 1D mesh in 2D space.
3456 * This method avoids building explicitly a part of \a this mesh to perform the work.
3457 * \param [in] begin - an array of cell ids of interest.
3458 * \param [in] end - the end of \a begin, i.e. a pointer to its (last+1)-th element.
3459 * \return MEDCouplingFieldDouble * - a new instance of MEDCouplingFieldDouble on
3460 * cells and one time. The caller is to delete this field using decrRef() as
3461 * it is no more needed.
3462 * \throw If the nodal connectivity of cells is not defined.
3463 * \throw If the coordinates array is not set.
3464 * \throw If the mesh dimension is not set.
3465 * \throw If the mesh and space dimension is not as specified above.
3466 * \sa buildOrthogonalField()
3468 * \ref cpp_mcumesh_buildPartOrthogonalField "Here is a C++ example".<br>
3469 * \ref py_mcumesh_buildPartOrthogonalField "Here is a Python example".
3471 MEDCouplingFieldDouble *MEDCouplingUMesh::buildPartOrthogonalField(const int *begin, const int *end) const
3473 if((getMeshDimension()!=2) && (getMeshDimension()!=1 || getSpaceDimension()!=2))
3474 throw INTERP_KERNEL::Exception("Expected a umesh with ( meshDim == 2 spaceDim == 2 or 3 ) or ( meshDim == 1 spaceDim == 2 ) !");
3475 MEDCouplingAutoRefCountObjectPtr<MEDCouplingFieldDouble> ret=MEDCouplingFieldDouble::New(ON_CELLS,ONE_TIME);
3476 MEDCouplingAutoRefCountObjectPtr<DataArrayDouble> array=DataArrayDouble::New();
3477 std::size_t nbelems=std::distance(begin,end);
3478 int nbComp=getMeshDimension()+1;
3479 array->alloc((int)nbelems,nbComp);
3480 double *vals=array->getPointer();
3481 const int *connI=_nodal_connec_index->getConstPointer();
3482 const int *conn=_nodal_connec->getConstPointer();
3483 const double *coords=_coords->getConstPointer();
3484 if(getMeshDimension()==2)
3486 if(getSpaceDimension()==3)
3488 MEDCouplingAutoRefCountObjectPtr<DataArrayDouble> loc=getPartBarycenterAndOwner(begin,end);
3489 const double *locPtr=loc->getConstPointer();
3490 for(const int *i=begin;i!=end;i++,vals+=3,locPtr+=3)
3492 int offset=connI[*i];
3493 INTERP_KERNEL::crossprod<3>(locPtr,coords+3*conn[offset+1],coords+3*conn[offset+2],vals);
3494 double n=INTERP_KERNEL::norm<3>(vals);
3495 std::transform(vals,vals+3,vals,std::bind2nd(std::multiplies<double>(),1./n));
3500 for(std::size_t i=0;i<nbelems;i++)
3501 { vals[3*i]=0.; vals[3*i+1]=0.; vals[3*i+2]=1.; }
3504 else//meshdimension==1
3507 for(const int *i=begin;i!=end;i++)
3509 int offset=connI[*i];
3510 std::transform(coords+2*conn[offset+2],coords+2*conn[offset+2]+2,coords+2*conn[offset+1],tmp,std::minus<double>());
3511 double n=INTERP_KERNEL::norm<2>(tmp);
3512 std::transform(tmp,tmp+2,tmp,std::bind2nd(std::multiplies<double>(),1./n));
3517 ret->setArray(array);
3519 ret->synchronizeTimeWithSupport();
3524 * Returns a new MEDCouplingFieldDouble holding a direction vector for each SEG2 in \a
3525 * this 1D mesh. The computed vectors have <em> this->getSpaceDimension() </em> components
3526 * and are \b not normalized.
3527 * \return MEDCouplingFieldDouble * - a new instance of MEDCouplingFieldDouble on
3528 * cells and one time. The caller is to delete this field using decrRef() as
3529 * it is no more needed.
3530 * \throw If the nodal connectivity of cells is not defined.
3531 * \throw If the coordinates array is not set.
3532 * \throw If \a this->getMeshDimension() != 1.
3533 * \throw If \a this mesh includes cells of type other than SEG2.
3535 MEDCouplingFieldDouble *MEDCouplingUMesh::buildDirectionVectorField() const
3537 if(getMeshDimension()!=1)
3538 throw INTERP_KERNEL::Exception("Expected a umesh with meshDim == 1 for buildDirectionVectorField !");
3539 if(_types.size()!=1 || *(_types.begin())!=INTERP_KERNEL::NORM_SEG2)
3540 throw INTERP_KERNEL::Exception("Expected a umesh with only NORM_SEG2 type of elements for buildDirectionVectorField !");
3541 MEDCouplingAutoRefCountObjectPtr<MEDCouplingFieldDouble> ret=MEDCouplingFieldDouble::New(ON_CELLS,ONE_TIME);
3542 MEDCouplingAutoRefCountObjectPtr<DataArrayDouble> array=DataArrayDouble::New();
3543 int nbOfCells=getNumberOfCells();
3544 int spaceDim=getSpaceDimension();
3545 array->alloc(nbOfCells,spaceDim);
3546 double *pt=array->getPointer();
3547 const double *coo=getCoords()->getConstPointer();
3548 std::vector<int> conn;
3550 for(int i=0;i<nbOfCells;i++)
3553 getNodeIdsOfCell(i,conn);
3554 pt=std::transform(coo+conn[1]*spaceDim,coo+(conn[1]+1)*spaceDim,coo+conn[0]*spaceDim,pt,std::minus<double>());
3556 ret->setArray(array);
3558 ret->synchronizeTimeWithSupport();
3563 * Creates a 2D mesh by cutting \a this 3D mesh with a plane. In addition to the mesh,
3564 * returns a new DataArrayInt, of length equal to the number of 2D cells in the result
3565 * mesh, holding, for each cell in the result mesh, an id of a 3D cell it comes
3566 * from. If a result face is shared by two 3D cells, then the face in included twice in
3568 * \param [in] origin - 3 components of a point defining location of the plane.
3569 * \param [in] vec - 3 components of a vector normal to the plane. Vector magnitude
3570 * must be greater than 1e-6.
3571 * \param [in] eps - half-thickness of the plane.
3572 * \param [out] cellIds - a new instance of DataArrayInt holding ids of 3D cells
3573 * producing correspondent 2D cells. The caller is to delete this array
3574 * using decrRef() as it is no more needed.
3575 * \return MEDCouplingUMesh * - a new instance of MEDCouplingUMesh. This mesh does
3576 * not share the node coordinates array with \a this mesh. The caller is to
3577 * delete this mesh using decrRef() as it is no more needed.
3578 * \throw If the coordinates array is not set.
3579 * \throw If the nodal connectivity of cells is not defined.
3580 * \throw If \a this->getMeshDimension() != 3 or \a this->getSpaceDimension() != 3.
3581 * \throw If magnitude of \a vec is less than 1e-6.
3582 * \throw If the plane does not intersect any 3D cell of \a this mesh.
3583 * \throw If \a this includes quadratic cells.
3585 MEDCouplingUMesh *MEDCouplingUMesh::buildSlice3D(const double *origin, const double *vec, double eps, DataArrayInt *&cellIds) const
3587 checkFullyDefined();
3588 if(getMeshDimension()!=3 || getSpaceDimension()!=3)
3589 throw INTERP_KERNEL::Exception("MEDCouplingUMesh::buildSlice3D works on umeshes with meshdim equal to 3 and spaceDim equal to 3 too!");
3590 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> candidates=getCellIdsCrossingPlane(origin,vec,eps);
3591 if(candidates->empty())
3592 throw INTERP_KERNEL::Exception("MEDCouplingUMesh::buildSlice3D : No 3D cells in this intercepts the specified plane considering bounding boxes !");
3593 std::vector<int> nodes;
3594 DataArrayInt *cellIds1D=0;
3595 MEDCouplingAutoRefCountObjectPtr<MEDCouplingUMesh> subMesh=static_cast<MEDCouplingUMesh*>(buildPartOfMySelf(candidates->begin(),candidates->end(),false));
3596 subMesh->findNodesOnPlane(origin,vec,eps,nodes);
3597 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> desc1=DataArrayInt::New(),desc2=DataArrayInt::New();
3598 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> descIndx1=DataArrayInt::New(),descIndx2=DataArrayInt::New();
3599 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> revDesc1=DataArrayInt::New(),revDesc2=DataArrayInt::New();
3600 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> revDescIndx1=DataArrayInt::New(),revDescIndx2=DataArrayInt::New();
3601 MEDCouplingAutoRefCountObjectPtr<MEDCouplingUMesh> mDesc2=subMesh->buildDescendingConnectivity(desc2,descIndx2,revDesc2,revDescIndx2);//meshDim==2 spaceDim==3
3602 revDesc2=0; revDescIndx2=0;
3603 MEDCouplingAutoRefCountObjectPtr<MEDCouplingUMesh> mDesc1=mDesc2->buildDescendingConnectivity(desc1,descIndx1,revDesc1,revDescIndx1);//meshDim==1 spaceDim==3
3604 revDesc1=0; revDescIndx1=0;
3605 mDesc1->fillCellIdsToKeepFromNodeIds(&nodes[0],&nodes[0]+nodes.size(),true,cellIds1D);
3606 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> cellIds1DTmp(cellIds1D);
3608 std::vector<int> cut3DCurve(mDesc1->getNumberOfCells(),-2);
3609 for(const int *it=cellIds1D->begin();it!=cellIds1D->end();it++)
3611 mDesc1->split3DCurveWithPlane(origin,vec,eps,cut3DCurve);
3612 std::vector< std::pair<int,int> > cut3DSurf(mDesc2->getNumberOfCells());
3613 AssemblyForSplitFrom3DCurve(cut3DCurve,nodes,mDesc2->getNodalConnectivity()->getConstPointer(),mDesc2->getNodalConnectivityIndex()->getConstPointer(),
3614 mDesc1->getNodalConnectivity()->getConstPointer(),mDesc1->getNodalConnectivityIndex()->getConstPointer(),
3615 desc1->getConstPointer(),descIndx1->getConstPointer(),cut3DSurf);
3616 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> conn(DataArrayInt::New()),connI(DataArrayInt::New()),cellIds2(DataArrayInt::New());
3617 connI->pushBackSilent(0); conn->alloc(0,1); cellIds2->alloc(0,1);
3618 subMesh->assemblyForSplitFrom3DSurf(cut3DSurf,desc2->getConstPointer(),descIndx2->getConstPointer(),conn,connI,cellIds2);
3619 if(cellIds2->empty())
3620 throw INTERP_KERNEL::Exception("MEDCouplingUMesh::buildSlice3D : No 3D cells in this intercepts the specified plane !");
3621 MEDCouplingAutoRefCountObjectPtr<MEDCouplingUMesh> ret=MEDCouplingUMesh::New("Slice3D",2);
3622 ret->setCoords(mDesc1->getCoords());
3623 ret->setConnectivity(conn,connI,true);
3624 cellIds=candidates->selectByTupleId(cellIds2->begin(),cellIds2->end());
3629 * Creates an 1D mesh by cutting \a this 2D mesh in 3D space with a plane. In
3630 addition to the mesh, returns a new DataArrayInt, of length equal to the number of 1D cells in the result mesh, holding, for each cell in the result mesh, an id of a 2D cell it comes
3631 from. If a result segment is shared by two 2D cells, then the segment in included twice in
3633 * \param [in] origin - 3 components of a point defining location of the plane.
3634 * \param [in] vec - 3 components of a vector normal to the plane. Vector magnitude
3635 * must be greater than 1e-6.
3636 * \param [in] eps - half-thickness of the plane.
3637 * \param [out] cellIds - a new instance of DataArrayInt holding ids of faces
3638 * producing correspondent segments. The caller is to delete this array
3639 * using decrRef() as it is no more needed.
3640 * \return MEDCouplingUMesh * - a new instance of MEDCouplingUMesh. This is an 1D
3641 * mesh in 3D space. This mesh does not share the node coordinates array with
3642 * \a this mesh. The caller is to delete this mesh using decrRef() as it is
3644 * \throw If the coordinates array is not set.
3645 * \throw If the nodal connectivity of cells is not defined.
3646 * \throw If \a this->getMeshDimension() != 2 or \a this->getSpaceDimension() != 3.
3647 * \throw If magnitude of \a vec is less than 1e-6.
3648 * \throw If the plane does not intersect any 2D cell of \a this mesh.
3649 * \throw If \a this includes quadratic cells.
3651 MEDCouplingUMesh *MEDCouplingUMesh::buildSlice3DSurf(const double *origin, const double *vec, double eps, DataArrayInt *&cellIds) const
3653 checkFullyDefined();
3654 if(getMeshDimension()!=2 || getSpaceDimension()!=3)
3655 throw INTERP_KERNEL::Exception("MEDCouplingUMesh::buildSlice3DSurf works on umeshes with meshdim equal to 2 and spaceDim equal to 3 !");
3656 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> candidates=getCellIdsCrossingPlane(origin,vec,eps);
3657 if(candidates->empty())
3658 throw INTERP_KERNEL::Exception("MEDCouplingUMesh::buildSlice3DSurf : No 3D surf cells in this intercepts the specified plane considering bounding boxes !");
3659 std::vector<int> nodes;
3660 DataArrayInt *cellIds1D=0;
3661 MEDCouplingAutoRefCountObjectPtr<MEDCouplingUMesh> subMesh=static_cast<MEDCouplingUMesh*>(buildPartOfMySelf(candidates->begin(),candidates->end(),false));
3662 subMesh->findNodesOnPlane(origin,vec,eps,nodes);
3663 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> desc1=DataArrayInt::New();
3664 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> descIndx1=DataArrayInt::New();
3665 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> revDesc1=DataArrayInt::New();
3666 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> revDescIndx1=DataArrayInt::New();
3667 MEDCouplingAutoRefCountObjectPtr<MEDCouplingUMesh> mDesc1=subMesh->buildDescendingConnectivity(desc1,descIndx1,revDesc1,revDescIndx1);//meshDim==1 spaceDim==3
3668 mDesc1->fillCellIdsToKeepFromNodeIds(&nodes[0],&nodes[0]+nodes.size(),true,cellIds1D);
3669 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> cellIds1DTmp(cellIds1D);
3671 std::vector<int> cut3DCurve(mDesc1->getNumberOfCells(),-2);
3672 for(const int *it=cellIds1D->begin();it!=cellIds1D->end();it++)
3674 mDesc1->split3DCurveWithPlane(origin,vec,eps,cut3DCurve);
3675 int ncellsSub=subMesh->getNumberOfCells();
3676 std::vector< std::pair<int,int> > cut3DSurf(ncellsSub);
3677 AssemblyForSplitFrom3DCurve(cut3DCurve,nodes,subMesh->getNodalConnectivity()->getConstPointer(),subMesh->getNodalConnectivityIndex()->getConstPointer(),
3678 mDesc1->getNodalConnectivity()->getConstPointer(),mDesc1->getNodalConnectivityIndex()->getConstPointer(),
3679 desc1->getConstPointer(),descIndx1->getConstPointer(),cut3DSurf);
3680 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> conn(DataArrayInt::New()),connI(DataArrayInt::New()),cellIds2(DataArrayInt::New()); connI->pushBackSilent(0);
3682 const int *nodal=subMesh->getNodalConnectivity()->getConstPointer();
3683 const int *nodalI=subMesh->getNodalConnectivityIndex()->getConstPointer();
3684 for(int i=0;i<ncellsSub;i++)
3686 if(cut3DSurf[i].first!=-1 && cut3DSurf[i].second!=-1)
3688 if(cut3DSurf[i].first!=-2)
3690 conn->pushBackSilent((int)INTERP_KERNEL::NORM_SEG2); conn->pushBackSilent(cut3DSurf[i].first); conn->pushBackSilent(cut3DSurf[i].second);
3691 connI->pushBackSilent(conn->getNumberOfTuples());
3692 cellIds2->pushBackSilent(i);
3696 int cellId3DSurf=cut3DSurf[i].second;
3697 int offset=nodalI[cellId3DSurf]+1;
3698 int nbOfEdges=nodalI[cellId3DSurf+1]-offset;
3699 for(int j=0;j<nbOfEdges;j++)
3701 conn->pushBackSilent((int)INTERP_KERNEL::NORM_SEG2); conn->pushBackSilent(nodal[offset+j]); conn->pushBackSilent(nodal[offset+(j+1)%nbOfEdges]);
3702 connI->pushBackSilent(conn->getNumberOfTuples());
3703 cellIds2->pushBackSilent(cellId3DSurf);
3708 if(cellIds2->empty())
3709 throw INTERP_KERNEL::Exception("MEDCouplingUMesh::buildSlice3DSurf : No 3DSurf cells in this intercepts the specified plane !");
3710 MEDCouplingAutoRefCountObjectPtr<MEDCouplingUMesh> ret=MEDCouplingUMesh::New("Slice3DSurf",1);
3711 ret->setCoords(mDesc1->getCoords());
3712 ret->setConnectivity(conn,connI,true);
3713 cellIds=candidates->selectByTupleId(cellIds2->begin(),cellIds2->end());
3718 * Finds cells whose bounding boxes intersect a given plane.
3719 * \param [in] origin - 3 components of a point defining location of the plane.
3720 * \param [in] vec - 3 components of a vector normal to the plane. Vector magnitude
3721 * must be greater than 1e-6.
3722 * \param [in] eps - half-thickness of the plane.
3723 * \return DataArrayInt * - a new instance of DataArrayInt holding ids of the found
3724 * cells. The caller is to delete this array using decrRef() as it is no more
3726 * \throw If the coordinates array is not set.
3727 * \throw If the nodal connectivity of cells is not defined.
3728 * \throw If \a this->getSpaceDimension() != 3.
3729 * \throw If magnitude of \a vec is less than 1e-6.
3730 * \sa buildSlice3D()
3732 DataArrayInt *MEDCouplingUMesh::getCellIdsCrossingPlane(const double *origin, const double *vec, double eps) const
3734 checkFullyDefined();
3735 if(getSpaceDimension()!=3)
3736 throw INTERP_KERNEL::Exception("MEDCouplingUMesh::buildSlice3D works on umeshes with spaceDim equal to 3 !");
3737 double normm=sqrt(vec[0]*vec[0]+vec[1]*vec[1]+vec[2]*vec[2]);
3739 throw INTERP_KERNEL::Exception("MEDCouplingUMesh::getCellIdsCrossingPlane : parameter 'vec' should have a norm2 greater than 1e-6 !");
3741 vec2[0]=vec[1]; vec2[1]=-vec[0]; vec2[2]=0.;//vec2 is the result of cross product of vec with (0,0,1)
3742 double angle=acos(vec[2]/normm);
3743 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> cellIds;
3747 MEDCouplingAutoRefCountObjectPtr<DataArrayDouble> coo=_coords->deepCpy();
3748 MEDCouplingPointSet::Rotate3DAlg(origin,vec2,angle,coo->getNumberOfTuples(),coo->getPointer());
3749 MEDCouplingAutoRefCountObjectPtr<MEDCouplingUMesh> mw=clone(false);//false -> shallow copy
3751 mw->getBoundingBox(bbox);
3752 bbox[4]=origin[2]-eps; bbox[5]=origin[2]+eps;
3753 cellIds=mw->getCellsInBoundingBox(bbox,eps);
3757 getBoundingBox(bbox);
3758 bbox[4]=origin[2]-eps; bbox[5]=origin[2]+eps;
3759 cellIds=getCellsInBoundingBox(bbox,eps);
3761 return cellIds.retn();
3765 * This method checks that \a this is a contiguous mesh. The user is expected to call this method on a mesh with meshdim==1.
3766 * If not an exception will thrown. If this is an empty mesh with no cell an exception will be thrown too.
3767 * No consideration of coordinate is done by this method.
3768 * A 1D mesh is said contiguous if : a cell i with nodal connectivity (k,p) the cell i+1 the nodal connectivity should be (p,m)
3769 * If not false is returned. In case that false is returned a call to ParaMEDMEM::MEDCouplingUMesh::mergeNodes could be usefull.
3771 bool MEDCouplingUMesh::isContiguous1D() const
3773 if(getMeshDimension()!=1)
3774 throw INTERP_KERNEL::Exception("MEDCouplingUMesh::isContiguous1D : this method has a sense only for 1D mesh !");
3775 int nbCells=getNumberOfCells();
3777 throw INTERP_KERNEL::Exception("MEDCouplingUMesh::isContiguous1D : this method has a sense for non empty mesh !");
3778 const int *connI=_nodal_connec_index->getConstPointer();
3779 const int *conn=_nodal_connec->getConstPointer();
3780 int ref=conn[connI[0]+2];
3781 for(int i=1;i<nbCells;i++)
3783 if(conn[connI[i]+1]!=ref)
3785 ref=conn[connI[i]+2];
3791 * This method is only callable on mesh with meshdim == 1 containing only SEG2 and spaceDim==3.
3792 * This method projects this on the 3D line defined by (pt,v). This methods first checks that all SEG2 are along v vector.
3793 * \param pt reference point of the line
3794 * \param v normalized director vector of the line
3795 * \param eps max precision before throwing an exception
3796 * \param res output of size this->getNumberOfCells
3798 void MEDCouplingUMesh::project1D(const double *pt, const double *v, double eps, double *res) const
3800 if(getMeshDimension()!=1)
3801 throw INTERP_KERNEL::Exception("Expected a umesh with meshDim == 1 for project1D !");
3802 if(_types.size()!=1 || *(_types.begin())!=INTERP_KERNEL::NORM_SEG2)
3803 throw INTERP_KERNEL::Exception("Expected a umesh with only NORM_SEG2 type of elements for project1D !");
3804 if(getSpaceDimension()!=3)
3805 throw INTERP_KERNEL::Exception("Expected a umesh with spaceDim==3 for project1D !");
3806 MEDCouplingAutoRefCountObjectPtr<MEDCouplingFieldDouble> f=buildDirectionVectorField();
3807 const double *fPtr=f->getArray()->getConstPointer();
3809 for(int i=0;i<getNumberOfCells();i++)
3811 const double *tmp1=fPtr+3*i;
3812 tmp[0]=tmp1[1]*v[2]-tmp1[2]*v[1];
3813 tmp[1]=tmp1[2]*v[0]-tmp1[0]*v[2];
3814 tmp[2]=tmp1[0]*v[1]-tmp1[1]*v[0];
3815 double n1=INTERP_KERNEL::norm<3>(tmp);
3816 n1/=INTERP_KERNEL::norm<3>(tmp1);
3818 throw INTERP_KERNEL::Exception("UMesh::Projection 1D failed !");
3820 const double *coo=getCoords()->getConstPointer();
3821 for(int i=0;i<getNumberOfNodes();i++)
3823 std::transform(coo+i*3,coo+i*3+3,pt,tmp,std::minus<double>());
3824 std::transform(tmp,tmp+3,v,tmp,std::multiplies<double>());
3825 res[i]=std::accumulate(tmp,tmp+3,0.);
3830 * This method computes the distance from a point \a pt to \a this and the first \a cellId in \a this corresponding to the returned distance.
3831 * \a this is expected to be a mesh so that its space dimension is equal to its
3832 * mesh dimension + 1. Furthermore only mesh dimension 1 and 2 are supported for the moment.
3833 * Distance from \a ptBg to \a ptEnd is expected to be equal to the space dimension. \a this is also expected to be fully defined (connectivity and coordinates).
3835 * WARNING, if there is some orphan nodes in \a this (nodes not fetched by any cells in \a this ( see MEDCouplingUMesh::zipCoords ) ) these nodes will ** not ** been taken
3836 * into account in this method. Only cells and nodes lying on them are considered in the algorithm (even if one of these orphan nodes is closer than returned distance).
3837 * A user that needs to consider orphan nodes should invoke DataArrayDouble::minimalDistanceTo method on the coordinates array of \a this.
3839 * So this method is more accurate (so, more costly) than simply searching for the closest point in \a this.
3840 * If only this information is enough for you simply call \c getCoords()->distanceToTuple on \a this.
3842 * \param [in] ptBg the start pointer (included) of the coordinates of the point
3843 * \param [in] ptEnd the end pointer (not included) of the coordinates of the point
3844 * \param [out] cellId that corresponds to minimal distance. If the closer node is not linked to any cell in \a this -1 is returned.
3845 * \return the positive value of the distance.
3846 * \throw if distance from \a ptBg to \a ptEnd is not equal to the space dimension. An exception is also thrown if mesh dimension of \a this is not equal to space
3848 * \sa DataArrayDouble::distanceToTuple, MEDCouplingUMesh::distanceToPoints
3850 double MEDCouplingUMesh::distanceToPoint(const double *ptBg, const double *ptEnd, int& cellId) const
3852 int meshDim=getMeshDimension(),spaceDim=getSpaceDimension();
3853 if(meshDim!=spaceDim-1)
3854 throw INTERP_KERNEL::Exception("MEDCouplingUMesh::distanceToPoint works only for spaceDim=meshDim+1 !");
3855 if(meshDim!=2 && meshDim!=1)
3856 throw INTERP_KERNEL::Exception("MEDCouplingUMesh::distanceToPoint : only mesh dimension 2 and 1 are implemented !");
3857 checkFullyDefined();
3858 if((int)std::distance(ptBg,ptEnd)!=spaceDim)
3859 { std::ostringstream oss; oss << "MEDCouplingUMesh::distanceToPoint : input point has to have dimension equal to the space dimension of this (" << spaceDim << ") !"; throw INTERP_KERNEL::Exception(oss.str().c_str()); }
3860 DataArrayInt *ret1=0;
3861 MEDCouplingAutoRefCountObjectPtr<DataArrayDouble> pts=DataArrayDouble::New(); pts->useArray(ptBg,false,C_DEALLOC,1,spaceDim);
3862 MEDCouplingAutoRefCountObjectPtr<DataArrayDouble> ret0=distanceToPoints(pts,ret1);
3863 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> ret1Safe(ret1);
3864 cellId=*ret1Safe->begin();
3865 return *ret0->begin();
3869 * This method computes the distance from each point of points serie \a pts (stored in a DataArrayDouble in which each tuple represents a point)
3870 * to \a this and the first \a cellId in \a this corresponding to the returned distance.
3871 * WARNING, if there is some orphan nodes in \a this (nodes not fetched by any cells in \a this ( see MEDCouplingUMesh::zipCoords ) ) these nodes will ** not ** been taken
3872 * into account in this method. Only cells and nodes lying on them are considered in the algorithm (even if one of these orphan nodes is closer than returned distance).
3873 * A user that needs to consider orphan nodes should invoke DataArrayDouble::minimalDistanceTo method on the coordinates array of \a this.
3875 * \a this is expected to be a mesh so that its space dimension is equal to its
3876 * mesh dimension + 1. Furthermore only mesh dimension 1 and 2 are supported for the moment.
3877 * Number of components of \a pts is expected to be equal to the space dimension. \a this is also expected to be fully defined (connectivity and coordinates).
3879 * So this method is more accurate (so, more costly) than simply searching for each point in \a pts the closest point in \a this.
3880 * If only this information is enough for you simply call \c getCoords()->distanceToTuple on \a this.
3882 * \param [in] pts the list of points in which each tuple represents a point
3883 * \param [out] cellIds a newly allocated object that tells for each point in \a pts the first cell id in \a this that minimizes the distance.
3884 * \return a newly allocated object to be dealed by the caller that tells for each point in \a pts the distance to \a this.
3885 * \throw if number of components of \a pts is not equal to the space dimension.
3886 * \throw if mesh dimension of \a this is not equal to space dimension - 1.
3887 * \sa DataArrayDouble::distanceToTuple, MEDCouplingUMesh::distanceToPoint
3889 DataArrayDouble *MEDCouplingUMesh::distanceToPoints(const DataArrayDouble *pts, DataArrayInt *& cellIds) const
3892 throw INTERP_KERNEL::Exception("MEDCouplingUMesh::distanceToPoints : input points pointer is NULL !");
3893 pts->checkAllocated();
3894 int meshDim=getMeshDimension(),spaceDim=getSpaceDimension();
3895 if(meshDim!=spaceDim-1)
3896 throw INTERP_KERNEL::Exception("MEDCouplingUMesh::distanceToPoints works only for spaceDim=meshDim+1 !");
3897 if(meshDim!=2 && meshDim!=1)
3898 throw INTERP_KERNEL::Exception("MEDCouplingUMesh::distanceToPoints : only mesh dimension 2 and 1 are implemented !");
3899 if(pts->getNumberOfComponents()!=spaceDim)
3901 std::ostringstream oss; oss << "MEDCouplingUMesh::distanceToPoints : input pts DataArrayDouble has " << pts->getNumberOfComponents() << " components whereas it should be equal to " << spaceDim << " (mesh spaceDimension) !";
3902 throw INTERP_KERNEL::Exception(oss.str().c_str());
3904 checkFullyDefined();
3905 int nbCells=getNumberOfCells();
3907 throw INTERP_KERNEL::Exception("MEDCouplingUMesh::distanceToPoints : no cells in this !");
3908 int nbOfPts=pts->getNumberOfTuples();
3909 MEDCouplingAutoRefCountObjectPtr<DataArrayDouble> ret0=DataArrayDouble::New(); ret0->alloc(nbOfPts,1);
3910 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> ret1=DataArrayInt::New(); ret1->alloc(nbOfPts,1);
3911 const int *nc=_nodal_connec->begin(),*ncI=_nodal_connec_index->begin(); const double *coords=_coords->begin();
3912 double *ret0Ptr=ret0->getPointer(); int *ret1Ptr=ret1->getPointer(); const double *ptsPtr=pts->begin();
3913 MEDCouplingAutoRefCountObjectPtr<DataArrayDouble> bboxArr(getBoundingBoxForBBTree());
3914 const double *bbox(bboxArr->begin());
3919 BBTreeDst<3> myTree(bbox,0,0,nbCells);
3920 for(int i=0;i<nbOfPts;i++,ret0Ptr++,ret1Ptr++,ptsPtr+=3)
3922 double x=std::numeric_limits<double>::max();
3923 std::vector<int> elems;
3924 myTree.getMinDistanceOfMax(ptsPtr,x);
3925 myTree.getElemsWhoseMinDistanceToPtSmallerThan(ptsPtr,x,elems);
3926 DistanceToPoint3DSurfAlg(ptsPtr,&elems[0],&elems[0]+elems.size(),coords,nc,ncI,*ret0Ptr,*ret1Ptr);
3932 BBTreeDst<2> myTree(bbox,0,0,nbCells);
3933 for(int i=0;i<nbOfPts;i++,ret0Ptr++,ret1Ptr++,ptsPtr+=2)
3935 double x=std::numeric_limits<double>::max();
3936 std::vector<int> elems;
3937 myTree.getMinDistanceOfMax(ptsPtr,x);
3938 myTree.getElemsWhoseMinDistanceToPtSmallerThan(ptsPtr,x,elems);
3939 DistanceToPoint2DCurveAlg(ptsPtr,&elems[0],&elems[0]+elems.size(),coords,nc,ncI,*ret0Ptr,*ret1Ptr);
3944 throw INTERP_KERNEL::Exception("MEDCouplingUMesh::distanceToPoints : only spacedim 2 and 3 supported !");
3946 cellIds=ret1.retn();
3951 * \param [in] pt the start pointer (included) of the coordinates of the point
3952 * \param [in] cellIdsBg the start pointer (included) of cellIds
3953 * \param [in] cellIdsEnd the end pointer (excluded) of cellIds
3954 * \param [in] nc nodal connectivity
3955 * \param [in] ncI nodal connectivity index
3956 * \param [in,out] ret0 the min distance between \a this and the external input point
3957 * \param [out] cellId that corresponds to minimal distance. If the closer node is not linked to any cell in \a this -1 is returned.
3958 * \sa MEDCouplingUMesh::distanceToPoint, MEDCouplingUMesh::distanceToPoints
3960 void MEDCouplingUMesh::DistanceToPoint3DSurfAlg(const double *pt, const int *cellIdsBg, const int *cellIdsEnd, const double *coords, const int *nc, const int *ncI, double& ret0, int& cellId)
3963 ret0=std::numeric_limits<double>::max();
3964 for(const int *zeCell=cellIdsBg;zeCell!=cellIdsEnd;zeCell++)
3966 switch((INTERP_KERNEL::NormalizedCellType)nc[ncI[*zeCell]])
3968 case INTERP_KERNEL::NORM_TRI3:
3970 double tmp=INTERP_KERNEL::DistanceFromPtToTriInSpaceDim3(pt,coords+3*nc[ncI[*zeCell]+1],coords+3*nc[ncI[*zeCell]+2],coords+3*nc[ncI[*zeCell]+3]);
3972 { ret0=tmp; cellId=*zeCell; }
3975 case INTERP_KERNEL::NORM_QUAD4:
3976 case INTERP_KERNEL::NORM_POLYGON:
3978 double tmp=INTERP_KERNEL::DistanceFromPtToPolygonInSpaceDim3(pt,nc+ncI[*zeCell]+1,nc+ncI[*zeCell+1],coords);
3980 { ret0=tmp; cellId=*zeCell; }
3984 throw INTERP_KERNEL::Exception("MEDCouplingUMesh::distanceToPoint3DSurfAlg : not managed cell type ! Supporting TRI3, QUAD4 and POLYGON !");
3990 * \param [in] pt the start pointer (included) of the coordinates of the point
3991 * \param [in] cellIdsBg the start pointer (included) of cellIds
3992 * \param [in] cellIdsEnd the end pointer (excluded) of cellIds
3993 * \param [in] nc nodal connectivity
3994 * \param [in] ncI nodal connectivity index
3995 * \param [in,out] ret0 the min distance between \a this and the external input point
3996 * \param [out] cellId that corresponds to minimal distance. If the closer node is not linked to any cell in \a this -1 is returned.
3997 * \sa MEDCouplingUMesh::distanceToPoint, MEDCouplingUMesh::distanceToPoints
3999 void MEDCouplingUMesh::DistanceToPoint2DCurveAlg(const double *pt, const int *cellIdsBg, const int *cellIdsEnd, const double *coords, const int *nc, const int *ncI, double& ret0, int& cellId)
4002 ret0=std::numeric_limits<double>::max();
4003 for(const int *zeCell=cellIdsBg;zeCell!=cellIdsEnd;zeCell++)
4005 switch((INTERP_KERNEL::NormalizedCellType)nc[ncI[*zeCell]])
4007 case INTERP_KERNEL::NORM_SEG2:
4009 std::size_t uselessEntry=0;
4010 double tmp=INTERP_KERNEL::SquareDistanceFromPtToSegInSpaceDim2(pt,coords+2*nc[ncI[*zeCell]+1],coords+2*nc[ncI[*zeCell]+2],uselessEntry);
4013 { ret0=tmp; cellId=*zeCell; }
4017 throw INTERP_KERNEL::Exception("MEDCouplingUMesh::distanceToPoint2DCurveAlg : not managed cell type ! Supporting SEG2 !");
4023 * Finds cells in contact with a ball (i.e. a point with precision).
4024 * For speed reasons, the INTERP_KERNEL::NORM_QUAD4, INTERP_KERNEL::NORM_TRI6 and INTERP_KERNEL::NORM_QUAD8 cells are considered as convex cells to detect if a point is IN or OUT.
4025 * If it is not the case, please change their types to INTERP_KERNEL::NORM_POLYGON or INTERP_KERNEL::NORM_QPOLYG before invoking this method.
4027 * \warning This method is suitable if the caller intends to evaluate only one
4028 * point, for more points getCellsContainingPoints() is recommended as it is
4030 * \param [in] pos - array of coordinates of the ball central point.
4031 * \param [in] eps - ball radius.
4032 * \return int - a smallest id of cells being in contact with the ball, -1 in case
4033 * if there are no such cells.
4034 * \throw If the coordinates array is not set.
4035 * \throw If \a this->getMeshDimension() != \a this->getSpaceDimension().
4037 int MEDCouplingUMesh::getCellContainingPoint(const double *pos, double eps) const
4039 std::vector<int> elts;
4040 getCellsContainingPoint(pos,eps,elts);
4043 return elts.front();
4047 * Finds cells in contact with a ball (i.e. a point with precision).
4048 * For speed reasons, the INTERP_KERNEL::NORM_QUAD4, INTERP_KERNEL::NORM_TRI6 and INTERP_KERNEL::NORM_QUAD8 cells are considered as convex cells to detect if a point is IN or OUT.
4049 * If it is not the case, please change their types to INTERP_KERNEL::NORM_POLYGON or INTERP_KERNEL::NORM_QPOLYG before invoking this method.
4050 * \warning This method is suitable if the caller intends to evaluate only one
4051 * point, for more points getCellsContainingPoints() is recommended as it is
4053 * \param [in] pos - array of coordinates of the ball central point.
4054 * \param [in] eps - ball radius.
4055 * \param [out] elts - vector returning ids of the found cells. It is cleared
4056 * before inserting ids.
4057 * \throw If the coordinates array is not set.
4058 * \throw If \a this->getMeshDimension() != \a this->getSpaceDimension().
4060 * \ref cpp_mcumesh_getCellsContainingPoint "Here is a C++ example".<br>
4061 * \ref py_mcumesh_getCellsContainingPoint "Here is a Python example".
4063 void MEDCouplingUMesh::getCellsContainingPoint(const double *pos, double eps, std::vector<int>& elts) const
4065 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> eltsUg,eltsIndexUg;
4066 getCellsContainingPoints(pos,1,eps,eltsUg,eltsIndexUg);
4067 elts.clear(); elts.insert(elts.end(),eltsUg->begin(),eltsUg->end());
4072 namespace ParaMEDMEM
4074 template<const int SPACEDIMM>
4078 static const int MY_SPACEDIM=SPACEDIMM;
4079 static const int MY_MESHDIM=8;
4080 typedef int MyConnType;
4081 static const INTERP_KERNEL::NumberingPolicy My_numPol=INTERP_KERNEL::ALL_C_MODE;
4083 // useless, but for windows compilation ...
4084 const double* getCoordinatesPtr() const { return 0; }
4085 const int* getConnectivityPtr() const { return 0; }
4086 const int* getConnectivityIndexPtr() const { return 0; }
4087 INTERP_KERNEL::NormalizedCellType getTypeOfElement(int) const { return (INTERP_KERNEL::NormalizedCellType)0; }
4091 INTERP_KERNEL::Edge *MEDCouplingUMeshBuildQPFromEdge(INTERP_KERNEL::NormalizedCellType typ, std::map<int, std::pair<INTERP_KERNEL::Node *,bool> >& mapp2, const int *bg)
4093 INTERP_KERNEL::Edge *ret=0;
4096 case INTERP_KERNEL::NORM_SEG2:
4098 ret=new INTERP_KERNEL::EdgeLin(mapp2[bg[0]].first,mapp2[bg[1]].first);
4101 case INTERP_KERNEL::NORM_SEG3:
4103 INTERP_KERNEL::EdgeLin *e1=new INTERP_KERNEL::EdgeLin(mapp2[bg[0]].first,mapp2[bg[2]].first);
4104 INTERP_KERNEL::EdgeLin *e2=new INTERP_KERNEL::EdgeLin(mapp2[bg[2]].first,mapp2[bg[1]].first);
4105 INTERP_KERNEL::SegSegIntersector inters(*e1,*e2);
4106 bool colinearity=inters.areColinears();
4107 delete e1; delete e2;
4109 ret=new INTERP_KERNEL::EdgeLin(mapp2[bg[0]].first,mapp2[bg[1]].first);
4111 ret=new INTERP_KERNEL::EdgeArcCircle(mapp2[bg[0]].first,mapp2[bg[2]].first,mapp2[bg[1]].first);
4112 mapp2[bg[2]].second=false;
4116 throw INTERP_KERNEL::Exception("MEDCouplingUMeshBuildQPFromEdge : Expecting a mesh with spaceDim==2 and meshDim==1 !");
4122 * This method creates a sub mesh in Geometric2D DS. The sub mesh is composed be the sub set of cells in 'candidates' and the global mesh 'mDesc'.
4123 * The input meth 'mDesc' must be so that mDim==1 et spaceDim==3.
4124 * 'mapp' contains a mapping between local numbering in submesh and the global node numbering in 'mDesc'.
4126 INTERP_KERNEL::QuadraticPolygon *MEDCouplingUMeshBuildQPFromMesh(const MEDCouplingUMesh *mDesc, const std::vector<int>& candidates, std::map<INTERP_KERNEL::Node *,int>& mapp) throw(INTERP_KERNEL::Exception)
4129 std::map<int, std::pair<INTERP_KERNEL::Node *,bool> > mapp2;//bool is for a flag specifying if node is boundary (true) or only a middle for SEG3.
4130 const double *coo=mDesc->getCoords()->getConstPointer();
4131 const int *c=mDesc->getNodalConnectivity()->getConstPointer();
4132 const int *cI=mDesc->getNodalConnectivityIndex()->getConstPointer();
4134 for(std::vector<int>::const_iterator it=candidates.begin();it!=candidates.end();it++)
4135 s.insert(c+cI[*it]+1,c+cI[(*it)+1]);
4136 for(std::set<int>::const_iterator it2=s.begin();it2!=s.end();it2++)
4138 INTERP_KERNEL::Node *n=new INTERP_KERNEL::Node(coo[2*(*it2)],coo[2*(*it2)+1]);
4139 mapp2[*it2]=std::pair<INTERP_KERNEL::Node *,bool>(n,true);
4141 INTERP_KERNEL::QuadraticPolygon *ret=new INTERP_KERNEL::QuadraticPolygon;
4142 for(std::vector<int>::const_iterator it=candidates.begin();it!=candidates.end();it++)
4144 INTERP_KERNEL::NormalizedCellType typ=(INTERP_KERNEL::NormalizedCellType)c[cI[*it]];
4145 ret->pushBack(MEDCouplingUMeshBuildQPFromEdge(typ,mapp2,c+cI[*it]+1));
4147 for(std::map<int, std::pair<INTERP_KERNEL::Node *,bool> >::const_iterator it2=mapp2.begin();it2!=mapp2.end();it2++)
4149 if((*it2).second.second)
4150 mapp[(*it2).second.first]=(*it2).first;
4151 ((*it2).second.first)->decrRef();
4156 INTERP_KERNEL::Node *MEDCouplingUMeshBuildQPNode(int nodeId, const double *coo1, int offset1, const double *coo2, int offset2, const std::vector<double>& addCoo)
4160 int locId=nodeId-offset2;
4161 return new INTERP_KERNEL::Node(addCoo[2*locId],addCoo[2*locId+1]);
4165 int locId=nodeId-offset1;
4166 return new INTERP_KERNEL::Node(coo2[2*locId],coo2[2*locId+1]);
4168 return new INTERP_KERNEL::Node(coo1[2*nodeId],coo1[2*nodeId+1]);
4171 void MEDCouplingUMeshBuildQPFromMesh3(const double *coo1, int offset1, const double *coo2, int offset2, const std::vector<double>& addCoo,
4172 const int *desc1Bg, const int *desc1End, const std::vector<std::vector<int> >& intesctEdges1,
4173 /*output*/std::map<INTERP_KERNEL::Node *,int>& mapp, std::map<int,INTERP_KERNEL::Node *>& mappRev)
4175 for(const int *desc1=desc1Bg;desc1!=desc1End;desc1++)
4177 int eltId1=abs(*desc1)-1;
4178 for(std::vector<int>::const_iterator it1=intesctEdges1[eltId1].begin();it1!=intesctEdges1[eltId1].end();it1++)
4180 std::map<int,INTERP_KERNEL::Node *>::const_iterator it=mappRev.find(*it1);
4181 if(it==mappRev.end())
4183 INTERP_KERNEL::Node *node=MEDCouplingUMeshBuildQPNode(*it1,coo1,offset1,coo2,offset2,addCoo);
4194 template<int SPACEDIM>
4195 void MEDCouplingUMesh::getCellsContainingPointsAlg(const double *coords, const double *pos, int nbOfPoints,
4196 double eps, MEDCouplingAutoRefCountObjectPtr<DataArrayInt>& elts, MEDCouplingAutoRefCountObjectPtr<DataArrayInt>& eltsIndex) const
4198 elts=DataArrayInt::New(); eltsIndex=DataArrayInt::New(); eltsIndex->alloc(nbOfPoints+1,1); eltsIndex->setIJ(0,0,0); elts->alloc(0,1);
4199 int *eltsIndexPtr(eltsIndex->getPointer());
4200 MEDCouplingAutoRefCountObjectPtr<DataArrayDouble> bboxArr(getBoundingBoxForBBTree(eps));
4201 const double *bbox(bboxArr->begin());
4202 int nbOfCells=getNumberOfCells();
4203 const int *conn=_nodal_connec->getConstPointer();
4204 const int *connI=_nodal_connec_index->getConstPointer();
4205 double bb[2*SPACEDIM];
4206 BBTree<SPACEDIM,int> myTree(&bbox[0],0,0,nbOfCells,-eps);
4207 for(int i=0;i<nbOfPoints;i++)
4209 eltsIndexPtr[i+1]=eltsIndexPtr[i];
4210 for(int j=0;j<SPACEDIM;j++)
4212 bb[2*j]=pos[SPACEDIM*i+j];
4213 bb[2*j+1]=pos[SPACEDIM*i+j];
4215 std::vector<int> candidates;
4216 myTree.getIntersectingElems(bb,candidates);
4217 for(std::vector<int>::const_iterator iter=candidates.begin();iter!=candidates.end();iter++)
4219 int sz(connI[(*iter)+1]-connI[*iter]-1);
4220 INTERP_KERNEL::NormalizedCellType ct((INTERP_KERNEL::NormalizedCellType)conn[connI[*iter]]);
4222 if(ct!=INTERP_KERNEL::NORM_POLYGON && ct!=INTERP_KERNEL::NORM_QPOLYG)
4223 status=INTERP_KERNEL::PointLocatorAlgos<DummyClsMCUG<SPACEDIM> >::isElementContainsPoint(pos+i*SPACEDIM,ct,coords,conn+connI[*iter]+1,sz,eps);
4227 throw INTERP_KERNEL::Exception("MEDCouplingUMesh::getCellsContainingPointsAlg : not implemented yet for POLYGON and QPOLYGON in spaceDim 3 !");
4228 INTERP_KERNEL::QUADRATIC_PLANAR::_precision=eps;
4229 INTERP_KERNEL::QUADRATIC_PLANAR::_arc_detection_precision=eps;
4230 std::vector<INTERP_KERNEL::Node *> nodes(sz);
4231 INTERP_KERNEL::QuadraticPolygon *pol(0);
4232 for(int j=0;j<sz;j++)
4234 int nodeId(conn[connI[*iter]+1+j]);
4235 nodes[j]=new INTERP_KERNEL::Node(coords[nodeId*SPACEDIM],coords[nodeId*SPACEDIM+1]);
4237 if(!INTERP_KERNEL::CellModel::GetCellModel(ct).isQuadratic())
4238 pol=INTERP_KERNEL::QuadraticPolygon::BuildLinearPolygon(nodes);
4240 pol=INTERP_KERNEL::QuadraticPolygon::BuildArcCirclePolygon(nodes);
4241 INTERP_KERNEL::Node *n(new INTERP_KERNEL::Node(pos[i*SPACEDIM],pos[i*SPACEDIM+1]));
4242 double a(0.),b(0.),c(0.);
4243 a=pol->normalizeMe(b,c); n->applySimilarity(b,c,a);
4244 status=pol->isInOrOut2(n);
4245 delete pol; n->decrRef();
4249 eltsIndexPtr[i+1]++;
4250 elts->pushBackSilent(*iter);
4256 * Finds cells in contact with several balls (i.e. points with precision).
4257 * This method is an extension of getCellContainingPoint() and
4258 * getCellsContainingPoint() for the case of multiple points.
4259 * For speed reasons, the INTERP_KERNEL::NORM_QUAD4, INTERP_KERNEL::NORM_TRI6 and INTERP_KERNEL::NORM_QUAD8 cells are considered as convex cells to detect if a point is IN or OUT.
4260 * If it is not the case, please change their types to INTERP_KERNEL::NORM_POLYGON or INTERP_KERNEL::NORM_QPOLYG before invoking this method.
4261 * \param [in] pos - an array of coordinates of points in full interlace mode :
4262 * X0,Y0,Z0,X1,Y1,Z1,... Size of the array must be \a
4263 * this->getSpaceDimension() * \a nbOfPoints
4264 * \param [in] nbOfPoints - number of points to locate within \a this mesh.
4265 * \param [in] eps - radius of balls (i.e. the precision).
4266 * \param [out] elts - vector returning ids of found cells.
4267 * \param [out] eltsIndex - an array, of length \a nbOfPoints + 1,
4268 * dividing cell ids in \a elts into groups each referring to one
4269 * point. Its every element (except the last one) is an index pointing to the
4270 * first id of a group of cells. For example cells in contact with the *i*-th
4271 * point are described by following range of indices:
4272 * [ \a eltsIndex[ *i* ], \a eltsIndex[ *i*+1 ] ) and the cell ids are
4273 * \a elts[ \a eltsIndex[ *i* ]], \a elts[ \a eltsIndex[ *i* ] + 1 ], ...
4274 * Number of cells in contact with the *i*-th point is
4275 * \a eltsIndex[ *i*+1 ] - \a eltsIndex[ *i* ].
4276 * \throw If the coordinates array is not set.
4277 * \throw If \a this->getMeshDimension() != \a this->getSpaceDimension().
4279 * \ref cpp_mcumesh_getCellsContainingPoints "Here is a C++ example".<br>
4280 * \ref py_mcumesh_getCellsContainingPoints "Here is a Python example".
4282 void MEDCouplingUMesh::getCellsContainingPoints(const double *pos, int nbOfPoints, double eps,
4283 MEDCouplingAutoRefCountObjectPtr<DataArrayInt>& elts, MEDCouplingAutoRefCountObjectPtr<DataArrayInt>& eltsIndex) const
4285 int spaceDim=getSpaceDimension();
4286 int mDim=getMeshDimension();
4291 const double *coords=_coords->getConstPointer();
4292 getCellsContainingPointsAlg<3>(coords,pos,nbOfPoints,eps,elts,eltsIndex);
4299 throw INTERP_KERNEL::Exception("For spaceDim==3 only meshDim==3 implemented for getelementscontainingpoints !");
4301 else if(spaceDim==2)
4305 const double *coords=_coords->getConstPointer();
4306 getCellsContainingPointsAlg<2>(coords,pos,nbOfPoints,eps,elts,eltsIndex);
4309 throw INTERP_KERNEL::Exception("For spaceDim==2 only meshDim==2 implemented for getelementscontainingpoints !");
4311 else if(spaceDim==1)
4315 const double *coords=_coords->getConstPointer();
4316 getCellsContainingPointsAlg<1>(coords,pos,nbOfPoints,eps,elts,eltsIndex);
4319 throw INTERP_KERNEL::Exception("For spaceDim==1 only meshDim==1 implemented for getelementscontainingpoints !");
4322 throw INTERP_KERNEL::Exception("MEDCouplingUMesh::getCellsContainingPoints : not managed for mdim not in [1,2,3] !");
4326 * Finds butterfly cells in \a this mesh. A 2D cell is considered to be butterfly if at
4327 * least two its edges intersect each other anywhere except their extremities. An
4328 * INTERP_KERNEL::NORM_NORI3 cell can \b not be butterfly.
4329 * \param [in,out] cells - a vector returning ids of the found cells. It is not
4330 * cleared before filling in.
4331 * \param [in] eps - precision.
4332 * \throw If \a this->getMeshDimension() != 2.
4333 * \throw If \a this->getSpaceDimension() != 2 && \a this->getSpaceDimension() != 3.
4335 void MEDCouplingUMesh::checkButterflyCells(std::vector<int>& cells, double eps) const
4337 const char msg[]="Butterfly detection work only for 2D cells with spaceDim==2 or 3!";
4338 if(getMeshDimension()!=2)
4339 throw INTERP_KERNEL::Exception(msg);
4340 int spaceDim=getSpaceDimension();
4341 if(spaceDim!=2 && spaceDim!=3)
4342 throw INTERP_KERNEL::Exception(msg);
4343 const int *conn=_nodal_connec->getConstPointer();
4344 const int *connI=_nodal_connec_index->getConstPointer();
4345 int nbOfCells=getNumberOfCells();
4346 std::vector<double> cell2DinS2;
4347 for(int i=0;i<nbOfCells;i++)
4349 int offset=connI[i];
4350 int nbOfNodesForCell=connI[i+1]-offset-1;
4351 if(nbOfNodesForCell<=3)
4353 bool isQuad=INTERP_KERNEL::CellModel::GetCellModel((INTERP_KERNEL::NormalizedCellType)conn[offset]).isQuadratic();
4354 project2DCellOnXY(conn+offset+1,conn+connI[i+1],cell2DinS2);
4355 if(isButterfly2DCell(cell2DinS2,isQuad,eps))
4362 * This method is typically requested to unbutterfly 2D linear cells in \b this.
4364 * This method expects that space dimension is equal to 2 and mesh dimension is equal to 2 too. If it is not the case an INTERP_KERNEL::Exception will be thrown.
4365 * This method works only for linear 2D cells. If there is any of non linear cells (INTERP_KERNEL::NORM_QUAD8 for example) an INTERP_KERNEL::Exception will be thrown too.
4367 * For each 2D linear cell in \b this, this method builds the convex envelop (or the convex hull) of the current cell.
4368 * This convex envelop is computed using Jarvis march algorithm.
4369 * The coordinates and the number of cells of \b this remain unchanged on invocation of this method.
4370 * Only connectivity of some cells could be modified if those cells were not representing a convex envelop. If a cell already equals its convex envelop (regardless orientation)
4371 * its connectivity will remain unchanged. If the computation leads to a modification of nodal connectivity of a cell its geometric type will be modified to INTERP_KERNEL::NORM_POLYGON.
4373 * \return a newly allocated array containing cellIds that have been modified if any. If no cells have been impacted by this method NULL is returned.
4375 DataArrayInt *MEDCouplingUMesh::convexEnvelop2D()
4377 if(getMeshDimension()!=2 || getSpaceDimension()!=2)
4378 throw INTERP_KERNEL::Exception("MEDCouplingUMesh::convexEnvelop2D works only for meshDim=2 and spaceDim=2 !");
4379 checkFullyDefined();
4380 const double *coords=getCoords()->getConstPointer();
4381 int nbOfCells=getNumberOfCells();
4382 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> nodalConnecIndexOut=DataArrayInt::New();
4383 nodalConnecIndexOut->alloc(nbOfCells+1,1);
4384 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> nodalConnecOut(DataArrayInt::New());
4385 int *workIndexOut=nodalConnecIndexOut->getPointer();
4387 const int *nodalConnecIn=_nodal_connec->getConstPointer();
4388 const int *nodalConnecIndexIn=_nodal_connec_index->getConstPointer();
4389 std::set<INTERP_KERNEL::NormalizedCellType> types;
4390 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> isChanged(DataArrayInt::New());
4391 isChanged->alloc(0,1);
4392 for(int i=0;i<nbOfCells;i++,workIndexOut++)
4394 int pos=nodalConnecOut->getNumberOfTuples();
4395 if(BuildConvexEnvelopOf2DCellJarvis(coords,nodalConnecIn+nodalConnecIndexIn[i],nodalConnecIn+nodalConnecIndexIn[i+1],nodalConnecOut))
4396 isChanged->pushBackSilent(i);
4397 types.insert((INTERP_KERNEL::NormalizedCellType)nodalConnecOut->getIJ(pos,0));
4398 workIndexOut[1]=nodalConnecOut->getNumberOfTuples();
4400 if(isChanged->empty())
4402 setConnectivity(nodalConnecOut,nodalConnecIndexOut,false);
4404 return isChanged.retn();
4408 * This method is \b NOT const because it can modify \a this.
4409 * \a this is expected to be an unstructured mesh with meshDim==2 and spaceDim==3. If not an exception will be thrown.
4410 * \param mesh1D is an unstructured mesh with MeshDim==1 and spaceDim==3. If not an exception will be thrown.
4411 * \param policy specifies the type of extrusion chosen. \b 0 for translation (most simple),
4412 * \b 1 for translation and rotation around point of 'mesh1D'.
4413 * \return an unstructured mesh with meshDim==3 and spaceDim==3. The returned mesh has the same coords than \a this.
4415 MEDCouplingUMesh *MEDCouplingUMesh::buildExtrudedMesh(const MEDCouplingUMesh *mesh1D, int policy)
4417 checkFullyDefined();
4418 mesh1D->checkFullyDefined();
4419 if(!mesh1D->isContiguous1D())
4420 throw INTERP_KERNEL::Exception("buildExtrudedMesh : 1D mesh passed in parameter is not contiguous !");
4421 if(getSpaceDimension()!=mesh1D->getSpaceDimension())
4422 throw INTERP_KERNEL::Exception("Invalid call to buildExtrudedMesh this and mesh1D must have same space dimension !");
4423 if((getMeshDimension()!=2 || getSpaceDimension()!=3) && (getMeshDimension()!=1 || getSpaceDimension()!=2))
4424 throw INTERP_KERNEL::Exception("Invalid 'this' for buildExtrudedMesh method : must be (meshDim==2 and spaceDim==3) or (meshDim==1 and spaceDim==2) !");
4425 if(mesh1D->getMeshDimension()!=1)
4426 throw INTERP_KERNEL::Exception("Invalid 'mesh1D' for buildExtrudedMesh method : must be meshDim==1 !");
4428 if(isPresenceOfQuadratic())
4430 if(mesh1D->isFullyQuadratic())
4433 throw INTERP_KERNEL::Exception("Invalid 2D mesh and 1D mesh because 2D mesh has quadratic cells and 1D is not fully quadratic !");
4436 int oldNbOfNodes=getNumberOfNodes();
4437 MEDCouplingAutoRefCountObjectPtr<DataArrayDouble> newCoords;
4442 newCoords=fillExtCoordsUsingTranslation(mesh1D,isQuad);
4447 newCoords=fillExtCoordsUsingTranslAndAutoRotation(mesh1D,isQuad);
4451 throw INTERP_KERNEL::Exception("Not implemented extrusion policy : must be in (0) !");
4453 setCoords(newCoords);
4454 MEDCouplingAutoRefCountObjectPtr<MEDCouplingUMesh> ret=buildExtrudedMeshFromThisLowLev(oldNbOfNodes,isQuad);
4460 * This method works on a 3D curve linear mesh that is to say (meshDim==1 and spaceDim==3).
4461 * If it is not the case an exception will be thrown.
4462 * This method is non const because the coordinate of \a this can be appended with some new points issued from
4463 * intersection of plane defined by ('origin','vec').
4464 * This method has one in/out parameter : 'cut3DCurve'.
4465 * Param 'cut3DCurve' is expected to be of size 'this->getNumberOfCells()'. For each i in [0,'this->getNumberOfCells()')
4466 * if cut3DCurve[i]==-2, it means that for cell #i in \a this nothing has been detected previously.
4467 * if cut3DCurve[i]==-1, it means that cell#i has been already detected to be fully part of plane defined by ('origin','vec').
4468 * This method will throw an exception if \a this contains a non linear segment.
4470 void MEDCouplingUMesh::split3DCurveWithPlane(const double *origin, const double *vec, double eps, std::vector<int>& cut3DCurve)
4472 checkFullyDefined();
4473 if(getMeshDimension()!=1 || getSpaceDimension()!=3)
4474 throw INTERP_KERNEL::Exception("MEDCouplingUMesh::split3DCurveWithPlane works on umeshes with meshdim equal to 1 and spaceDim equal to 3 !");
4475 int ncells=getNumberOfCells();
4476 int nnodes=getNumberOfNodes();
4477 double vec2[3],vec3[3],vec4[3];
4478 double normm=sqrt(vec[0]*vec[0]+vec[1]*vec[1]+vec[2]*vec[2]);
4480 throw INTERP_KERNEL::Exception("MEDCouplingUMesh::split3DCurveWithPlane : parameter 'vec' should have a norm2 greater than 1e-6 !");
4481 vec2[0]=vec[0]/normm; vec2[1]=vec[1]/normm; vec2[2]=vec[2]/normm;
4482 const int *conn=_nodal_connec->getConstPointer();
4483 const int *connI=_nodal_connec_index->getConstPointer();
4484 const double *coo=_coords->getConstPointer();
4485 std::vector<double> addCoo;
4486 for(int i=0;i<ncells;i++)
4488 if(conn[connI[i]]==(int)INTERP_KERNEL::NORM_SEG2)
4490 if(cut3DCurve[i]==-2)
4492 int st=conn[connI[i]+1],endd=conn[connI[i]+2];
4493 vec3[0]=coo[3*endd]-coo[3*st]; vec3[1]=coo[3*endd+1]-coo[3*st+1]; vec3[2]=coo[3*endd+2]-coo[3*st+2];
4494 double normm2=sqrt(vec3[0]*vec3[0]+vec3[1]*vec3[1]+vec3[2]*vec3[2]);
4495 double colin=std::abs((vec3[0]*vec2[0]+vec3[1]*vec2[1]+vec3[2]*vec2[2])/normm2);
4496 if(colin>eps)//if colin<=eps -> current SEG2 is colinear to the input plane
4498 const double *st2=coo+3*st;
4499 vec4[0]=st2[0]-origin[0]; vec4[1]=st2[1]-origin[1]; vec4[2]=st2[2]-origin[2];
4500 double pos=-(vec4[0]*vec2[0]+vec4[1]*vec2[1]+vec4[2]*vec2[2])/((vec3[0]*vec2[0]+vec3[1]*vec2[1]+vec3[2]*vec2[2]));
4501 if(pos>eps && pos<1-eps)
4503 int nNode=((int)addCoo.size())/3;
4504 vec4[0]=st2[0]+pos*vec3[0]; vec4[1]=st2[1]+pos*vec3[1]; vec4[2]=st2[2]+pos*vec3[2];
4505 addCoo.insert(addCoo.end(),vec4,vec4+3);
4506 cut3DCurve[i]=nnodes+nNode;
4512 throw INTERP_KERNEL::Exception("MEDCouplingUMesh::split3DCurveWithPlane : this method is only available for linear cell (NORM_SEG2) !");
4516 int newNbOfNodes=nnodes+((int)addCoo.size())/3;
4517 MEDCouplingAutoRefCountObjectPtr<DataArrayDouble> coo2=DataArrayDouble::New();
4518 coo2->alloc(newNbOfNodes,3);
4519 double *tmp=coo2->getPointer();
4520 tmp=std::copy(_coords->begin(),_coords->end(),tmp);
4521 std::copy(addCoo.begin(),addCoo.end(),tmp);
4522 DataArrayDouble::SetArrayIn(coo2,_coords);
4527 * This method incarnates the policy 0 for MEDCouplingUMesh::buildExtrudedMesh method.
4528 * \param mesh1D is the input 1D mesh used for translation computation.
4529 * \return newCoords new coords filled by this method.
4531 DataArrayDouble *MEDCouplingUMesh::fillExtCoordsUsingTranslation(const MEDCouplingUMesh *mesh1D, bool isQuad) const
4533 int oldNbOfNodes=getNumberOfNodes();
4534 int nbOf1DCells=mesh1D->getNumberOfCells();
4535 int spaceDim=getSpaceDimension();
4536 DataArrayDouble *ret=DataArrayDouble::New();
4537 std::vector<bool> isQuads;
4538 int nbOfLevsInVec=isQuad?2*nbOf1DCells+1:nbOf1DCells+1;
4539 ret->alloc(oldNbOfNodes*nbOfLevsInVec,spaceDim);
4540 double *retPtr=ret->getPointer();
4541 const double *coords=getCoords()->getConstPointer();
4542 double *work=std::copy(coords,coords+spaceDim*oldNbOfNodes,retPtr);
4544 std::vector<double> c;
4548 for(int i=0;i<nbOf1DCells;i++)
4551 mesh1D->getNodeIdsOfCell(i,v);
4553 mesh1D->getCoordinatesOfNode(v[isQuad?2:1],c);
4554 mesh1D->getCoordinatesOfNode(v[0],c);
4555 std::transform(c.begin(),c.begin()+spaceDim,c.begin()+spaceDim,vec,std::minus<double>());
4556 for(int j=0;j<oldNbOfNodes;j++)
4557 work=std::transform(vec,vec+spaceDim,retPtr+spaceDim*(i*oldNbOfNodes+j),work,std::plus<double>());
4561 mesh1D->getCoordinatesOfNode(v[1],c);
4562 mesh1D->getCoordinatesOfNode(v[0],c);
4563 std::transform(c.begin(),c.begin()+spaceDim,c.begin()+spaceDim,vec,std::minus<double>());
4564 for(int j=0;j<oldNbOfNodes;j++)
4565 work=std::transform(vec,vec+spaceDim,retPtr+spaceDim*(i*oldNbOfNodes+j),work,std::plus<double>());
4568 ret->copyStringInfoFrom(*getCoords());
4573 * This method incarnates the policy 1 for MEDCouplingUMesh::buildExtrudedMesh method.
4574 * \param mesh1D is the input 1D mesh used for translation and automatic rotation computation.
4575 * \return newCoords new coords filled by this method.
4577 DataArrayDouble *MEDCouplingUMesh::fillExtCoordsUsingTranslAndAutoRotation(const MEDCouplingUMesh *mesh1D, bool isQuad) const
4579 if(mesh1D->getSpaceDimension()==2)
4580 return fillExtCoordsUsingTranslAndAutoRotation2D(mesh1D,isQuad);
4581 if(mesh1D->getSpaceDimension()==3)
4582 return fillExtCoordsUsingTranslAndAutoRotation3D(mesh1D,isQuad);
4583 throw INTERP_KERNEL::Exception("Not implemented rotation and translation alg. for spacedim other than 2 and 3 !");
4587 * This method incarnates the policy 1 for MEDCouplingUMesh::buildExtrudedMesh method.
4588 * \param mesh1D is the input 1D mesh used for translation and automatic rotation computation.
4589 * \return newCoords new coords filled by this method.
4591 DataArrayDouble *MEDCouplingUMesh::fillExtCoordsUsingTranslAndAutoRotation2D(const MEDCouplingUMesh *mesh1D, bool isQuad) const
4594 throw INTERP_KERNEL::Exception("MEDCouplingUMesh::fillExtCoordsUsingTranslAndAutoRotation2D : not implemented for quadratic cells !");
4595 int oldNbOfNodes=getNumberOfNodes();
4596 int nbOf1DCells=mesh1D->getNumberOfCells();
4598 throw INTERP_KERNEL::Exception("MEDCouplingUMesh::fillExtCoordsUsingTranslAndAutoRotation2D : impossible to detect any angle of rotation ! Change extrusion policy 1->0 !");
4599 MEDCouplingAutoRefCountObjectPtr<DataArrayDouble> ret=DataArrayDouble::New();
4600 int nbOfLevsInVec=nbOf1DCells+1;
4601 ret->alloc(oldNbOfNodes*nbOfLevsInVec,2);
4602 double *retPtr=ret->getPointer();
4603 retPtr=std::copy(getCoords()->getConstPointer(),getCoords()->getConstPointer()+getCoords()->getNbOfElems(),retPtr);
4604 MEDCouplingAutoRefCountObjectPtr<MEDCouplingUMesh> tmp=MEDCouplingUMesh::New();
4605 MEDCouplingAutoRefCountObjectPtr<DataArrayDouble> tmp2=getCoords()->deepCpy();
4606 tmp->setCoords(tmp2);
4607 const double *coo1D=mesh1D->getCoords()->getConstPointer();
4608 const int *conn1D=mesh1D->getNodalConnectivity()->getConstPointer();
4609 const int *connI1D=mesh1D->getNodalConnectivityIndex()->getConstPointer();
4610 for(int i=1;i<nbOfLevsInVec;i++)
4612 const double *begin=coo1D+2*conn1D[connI1D[i-1]+1];
4613 const double *end=coo1D+2*conn1D[connI1D[i-1]+2];
4614 const double *third=i+1<nbOfLevsInVec?coo1D+2*conn1D[connI1D[i]+2]:coo1D+2*conn1D[connI1D[i-2]+1];
4615 const double vec[2]={end[0]-begin[0],end[1]-begin[1]};
4616 tmp->translate(vec);
4617 double tmp3[2],radius,alpha,alpha0;
4618 const double *p0=i+1<nbOfLevsInVec?begin:third;
4619 const double *p1=i+1<nbOfLevsInVec?end:begin;
4620 const double *p2=i+1<nbOfLevsInVec?third:end;
4621 INTERP_KERNEL::EdgeArcCircle::GetArcOfCirclePassingThru(p0,p1,p2,tmp3,radius,alpha,alpha0);
4622 double cosangle=i+1<nbOfLevsInVec?(p0[0]-tmp3[0])*(p1[0]-tmp3[0])+(p0[1]-tmp3[1])*(p1[1]-tmp3[1]):(p2[0]-tmp3[0])*(p1[0]-tmp3[0])+(p2[1]-tmp3[1])*(p1[1]-tmp3[1]);
4623 double angle=acos(cosangle/(radius*radius));
4624 tmp->rotate(end,0,angle);
4625 retPtr=std::copy(tmp2->getConstPointer(),tmp2->getConstPointer()+tmp2->getNbOfElems(),retPtr);
4631 * This method incarnates the policy 1 for MEDCouplingUMesh::buildExtrudedMesh method.
4632 * \param mesh1D is the input 1D mesh used for translation and automatic rotation computation.
4633 * \return newCoords new coords filled by this method.
4635 DataArrayDouble *MEDCouplingUMesh::fillExtCoordsUsingTranslAndAutoRotation3D(const MEDCouplingUMesh *mesh1D, bool isQuad) const
4638 throw INTERP_KERNEL::Exception("MEDCouplingUMesh::fillExtCoordsUsingTranslAndAutoRotation3D : not implemented for quadratic cells !");
4639 int oldNbOfNodes=getNumberOfNodes();
4640 int nbOf1DCells=mesh1D->getNumberOfCells();
4642 throw INTERP_KERNEL::Exception("MEDCouplingUMesh::fillExtCoordsUsingTranslAndAutoRotation3D : impossible to detect any angle of rotation ! Change extrusion policy 1->0 !");
4643 MEDCouplingAutoRefCountObjectPtr<DataArrayDouble> ret=DataArrayDouble::New();
4644 int nbOfLevsInVec=nbOf1DCells+1;
4645 ret->alloc(oldNbOfNodes*nbOfLevsInVec,3);
4646 double *retPtr=ret->getPointer();
4647 retPtr=std::copy(getCoords()->getConstPointer(),getCoords()->getConstPointer()+getCoords()->getNbOfElems(),retPtr);
4648 MEDCouplingAutoRefCountObjectPtr<MEDCouplingUMesh> tmp=MEDCouplingUMesh::New();
4649 MEDCouplingAutoRefCountObjectPtr<DataArrayDouble> tmp2=getCoords()->deepCpy();
4650 tmp->setCoords(tmp2);
4651 const double *coo1D=mesh1D->getCoords()->getConstPointer();
4652 const int *conn1D=mesh1D->getNodalConnectivity()->getConstPointer();
4653 const int *connI1D=mesh1D->getNodalConnectivityIndex()->getConstPointer();
4654 for(int i=1;i<nbOfLevsInVec;i++)
4656 const double *begin=coo1D+3*conn1D[connI1D[i-1]+1];
4657 const double *end=coo1D+3*conn1D[connI1D[i-1]+2];
4658 const double *third=i+1<nbOfLevsInVec?coo1D+3*conn1D[connI1D[i]+2]:coo1D+3*conn1D[connI1D[i-2]+1];
4659 const double vec[3]={end[0]-begin[0],end[1]-begin[1],end[2]-begin[2]};
4660 tmp->translate(vec);
4661 double tmp3[2],radius,alpha,alpha0;
4662 const double *p0=i+1<nbOfLevsInVec?begin:third;
4663 const double *p1=i+1<nbOfLevsInVec?end:begin;
4664 const double *p2=i+1<nbOfLevsInVec?third:end;
4665 double vecPlane[3]={
4666 (p1[1]-p0[1])*(p2[2]-p1[2])-(p1[2]-p0[2])*(p2[1]-p1[1]),
4667 (p1[2]-p0[2])*(p2[0]-p1[0])-(p1[0]-p0[0])*(p2[2]-p1[2]),
4668 (p1[0]-p0[0])*(p2[1]-p1[1])-(p1[1]-p0[1])*(p2[0]-p1[0]),
4670 double norm=sqrt(vecPlane[0]*vecPlane[0]+vecPlane[1]*vecPlane[1]+vecPlane[2]*vecPlane[2]);
4673 vecPlane[0]/=norm; vecPlane[1]/=norm; vecPlane[2]/=norm;
4674 double norm2=sqrt(vecPlane[0]*vecPlane[0]+vecPlane[1]*vecPlane[1]);
4675 double vec2[2]={vecPlane[1]/norm2,-vecPlane[0]/norm2};
4677 double c2=cos(asin(s2));
4679 {vec2[0]*vec2[0]*(1-c2)+c2, vec2[0]*vec2[1]*(1-c2), vec2[1]*s2},
4680 {vec2[0]*vec2[1]*(1-c2), vec2[1]*vec2[1]*(1-c2)+c2, -vec2[0]*s2},
4681 {-vec2[1]*s2, vec2[0]*s2, c2}
4683 double p0r[3]={m[0][0]*p0[0]+m[0][1]*p0[1]+m[0][2]*p0[2], m[1][0]*p0[0]+m[1][1]*p0[1]+m[1][2]*p0[2], m[2][0]*p0[0]+m[2][1]*p0[1]+m[2][2]*p0[2]};
4684 double p1r[3]={m[0][0]*p1[0]+m[0][1]*p1[1]+m[0][2]*p1[2], m[1][0]*p1[0]+m[1][1]*p1[1]+m[1][2]*p1[2], m[2][0]*p1[0]+m[2][1]*p1[1]+m[2][2]*p1[2]};
4685 double p2r[3]={m[0][0]*p2[0]+m[0][1]*p2[1]+m[0][2]*p2[2], m[1][0]*p2[0]+m[1][1]*p2[1]+m[1][2]*p2[2], m[2][0]*p2[0]+m[2][1]*p2[1]+m[2][2]*p2[2]};
4686 INTERP_KERNEL::EdgeArcCircle::GetArcOfCirclePassingThru(p0r,p1r,p2r,tmp3,radius,alpha,alpha0);
4687 double cosangle=i+1<nbOfLevsInVec?(p0r[0]-tmp3[0])*(p1r[0]-tmp3[0])+(p0r[1]-tmp3[1])*(p1r[1]-tmp3[1]):(p2r[0]-tmp3[0])*(p1r[0]-tmp3[0])+(p2r[1]-tmp3[1])*(p1r[1]-tmp3[1]);
4688 double angle=acos(cosangle/(radius*radius));
4689 tmp->rotate(end,vecPlane,angle);
4692 retPtr=std::copy(tmp2->getConstPointer(),tmp2->getConstPointer()+tmp2->getNbOfElems(),retPtr);
4698 * This method is private because not easy to use for end user. This method is const contrary to
4699 * MEDCouplingUMesh::buildExtrudedMesh method because this->_coords are expected to contain
4700 * the coords sorted slice by slice.
4701 * \param isQuad specifies presence of quadratic cells.
4703 MEDCouplingUMesh *MEDCouplingUMesh::buildExtrudedMeshFromThisLowLev(int nbOfNodesOf1Lev, bool isQuad) const
4705 int nbOf1DCells=getNumberOfNodes()/nbOfNodesOf1Lev-1;
4706 int nbOf2DCells=getNumberOfCells();
4707 int nbOf3DCells=nbOf2DCells*nbOf1DCells;
4708 MEDCouplingUMesh *ret=MEDCouplingUMesh::New("Extruded",getMeshDimension()+1);
4709 const int *conn=_nodal_connec->getConstPointer();
4710 const int *connI=_nodal_connec_index->getConstPointer();
4711 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> newConn=DataArrayInt::New();
4712 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> newConnI=DataArrayInt::New();
4713 newConnI->alloc(nbOf3DCells+1,1);
4714 int *newConnIPtr=newConnI->getPointer();
4716 std::vector<int> newc;
4717 for(int j=0;j<nbOf2DCells;j++)
4719 AppendExtrudedCell(conn+connI[j],conn+connI[j+1],nbOfNodesOf1Lev,isQuad,newc);
4720 *newConnIPtr++=(int)newc.size();
4722 newConn->alloc((int)(newc.size())*nbOf1DCells,1);
4723 int *newConnPtr=newConn->getPointer();
4724 int deltaPerLev=isQuad?2*nbOfNodesOf1Lev:nbOfNodesOf1Lev;
4725 newConnIPtr=newConnI->getPointer();
4726 for(int iz=0;iz<nbOf1DCells;iz++)
4729 std::transform(newConnIPtr+1,newConnIPtr+1+nbOf2DCells,newConnIPtr+1+iz*nbOf2DCells,std::bind2nd(std::plus<int>(),newConnIPtr[iz*nbOf2DCells]));
4730 for(std::vector<int>::const_iterator iter=newc.begin();iter!=newc.end();iter++,newConnPtr++)
4732 int icell=(int)(iter-newc.begin());
4733 if(std::find(newConnIPtr,newConnIPtr+nbOf2DCells,icell)==newConnIPtr+nbOf2DCells)
4736 *newConnPtr=(*iter)+iz*deltaPerLev;
4741 *newConnPtr=(*iter);
4744 ret->setConnectivity(newConn,newConnI,true);
4745 ret->setCoords(getCoords());
4750 * Checks if \a this mesh is constituted by only quadratic cells.
4751 * \return bool - \c true if there are only quadratic cells in \a this mesh.
4752 * \throw If the coordinates array is not set.
4753 * \throw If the nodal connectivity of cells is not defined.
4755 bool MEDCouplingUMesh::isFullyQuadratic() const
4757 checkFullyDefined();
4759 int nbOfCells=getNumberOfCells();
4760 for(int i=0;i<nbOfCells && ret;i++)
4762 INTERP_KERNEL::NormalizedCellType type=getTypeOfCell(i);
4763 const INTERP_KERNEL::CellModel& cm=INTERP_KERNEL::CellModel::GetCellModel(type);
4764 ret=cm.isQuadratic();
4770 * Checks if \a this mesh includes any quadratic cell.
4771 * \return bool - \c true if there is at least one quadratic cells in \a this mesh.
4772 * \throw If the coordinates array is not set.
4773 * \throw If the nodal connectivity of cells is not defined.
4775 bool MEDCouplingUMesh::isPresenceOfQuadratic() const
4777 checkFullyDefined();
4779 int nbOfCells=getNumberOfCells();
4780 for(int i=0;i<nbOfCells && !ret;i++)
4782 INTERP_KERNEL::NormalizedCellType type=getTypeOfCell(i);
4783 const INTERP_KERNEL::CellModel& cm=INTERP_KERNEL::CellModel::GetCellModel(type);
4784 ret=cm.isQuadratic();
4790 * Converts all quadratic cells to linear ones. If there are no quadratic cells in \a
4791 * this mesh, it remains unchanged.
4792 * \throw If the coordinates array is not set.
4793 * \throw If the nodal connectivity of cells is not defined.
4795 void MEDCouplingUMesh::convertQuadraticCellsToLinear()
4797 checkFullyDefined();
4798 int nbOfCells=getNumberOfCells();
4800 const int *iciptr=_nodal_connec_index->getConstPointer();
4801 for(int i=0;i<nbOfCells;i++)
4803 INTERP_KERNEL::NormalizedCellType type=getTypeOfCell(i);
4804 const INTERP_KERNEL::CellModel& cm=INTERP_KERNEL::CellModel::GetCellModel(type);
4805 if(cm.isQuadratic())
4807 INTERP_KERNEL::NormalizedCellType typel=cm.getLinearType();
4808 const INTERP_KERNEL::CellModel& cml=INTERP_KERNEL::CellModel::GetCellModel(typel);
4809 if(!cml.isDynamic())
4810 delta+=cm.getNumberOfNodes()-cml.getNumberOfNodes();
4812 delta+=(iciptr[i+1]-iciptr[i]-1)/2;
4817 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> newConn=DataArrayInt::New();
4818 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> newConnI=DataArrayInt::New();
4819 const int *icptr=_nodal_connec->getConstPointer();
4820 newConn->alloc(getMeshLength()-delta,1);
4821 newConnI->alloc(nbOfCells+1,1);
4822 int *ocptr=newConn->getPointer();
4823 int *ociptr=newConnI->getPointer();
4826 for(int i=0;i<nbOfCells;i++,ociptr++)
4828 INTERP_KERNEL::NormalizedCellType type=(INTERP_KERNEL::NormalizedCellType)icptr[iciptr[i]];
4829 const INTERP_KERNEL::CellModel& cm=INTERP_KERNEL::CellModel::GetCellModel(type);
4830 if(!cm.isQuadratic())
4832 _types.insert(type);
4833 ocptr=std::copy(icptr+iciptr[i],icptr+iciptr[i+1],ocptr);
4834 ociptr[1]=ociptr[0]+iciptr[i+1]-iciptr[i];
4838 INTERP_KERNEL::NormalizedCellType typel=cm.getLinearType();
4839 _types.insert(typel);
4840 const INTERP_KERNEL::CellModel& cml=INTERP_KERNEL::CellModel::GetCellModel(typel);
4841 int newNbOfNodes=cml.getNumberOfNodes();
4843 newNbOfNodes=(iciptr[i+1]-iciptr[i]-1)/2;
4844 *ocptr++=(int)typel;
4845 ocptr=std::copy(icptr+iciptr[i]+1,icptr+iciptr[i]+newNbOfNodes+1,ocptr);
4846 ociptr[1]=ociptr[0]+newNbOfNodes+1;
4849 setConnectivity(newConn,newConnI,false);
4853 * This method converts all linear cell in \a this to quadratic one.
4854 * Contrary to MEDCouplingUMesh::convertQuadraticCellsToLinear method, here it is needed to specify the target
4855 * type of cells expected. For example INTERP_KERNEL::NORM_TRI3 can be converted to INTERP_KERNEL::NORM_TRI6 if \a conversionType is equal to 0 (the default)
4856 * or to INTERP_KERNEL::NORM_TRI7 if \a conversionType is equal to 1. All non linear cells and polyhedron in \a this are let untouched.
4857 * Contrary to MEDCouplingUMesh::convertQuadraticCellsToLinear method, the coordinates in \a this can be become bigger. All created nodes will be put at the
4858 * end of the existing coordinates.
4860 * \param [in] conversionType specifies the type of conversion expected. Only 0 (default) and 1 are supported presently. 0 those that creates the 'most' simple
4861 * corresponding quadratic cells. 1 is those creating the 'most' complex.
4862 * \return a newly created DataArrayInt instance that the caller should deal with containing cell ids of converted cells.
4864 * \throw if \a this is not fully defined. It throws too if \a conversionType is not in [0,1].
4866 * \sa MEDCouplingUMesh::convertQuadraticCellsToLinear
4868 DataArrayInt *MEDCouplingUMesh::convertLinearCellsToQuadratic(int conversionType)
4870 DataArrayInt *conn=0,*connI=0;
4871 DataArrayDouble *coords=0;
4872 std::set<INTERP_KERNEL::NormalizedCellType> types;
4873 checkFullyDefined();
4874 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> ret,connSafe,connISafe;
4875 MEDCouplingAutoRefCountObjectPtr<DataArrayDouble> coordsSafe;
4876 int meshDim=getMeshDimension();
4877 switch(conversionType)
4883 ret=convertLinearCellsToQuadratic1D0(conn,connI,coords,types);
4884 connSafe=conn; connISafe=connI; coordsSafe=coords;
4887 ret=convertLinearCellsToQuadratic2D0(conn,connI,coords,types);
4888 connSafe=conn; connISafe=connI; coordsSafe=coords;
4891 ret=convertLinearCellsToQuadratic3D0(conn,connI,coords,types);
4892 connSafe=conn; connISafe=connI; coordsSafe=coords;
4895 throw INTERP_KERNEL::Exception("MEDCouplingUMesh::convertLinearCellsToQuadratic : conversion of type 0 mesh dimensions available are [1,2,3] !");
4903 ret=convertLinearCellsToQuadratic1D0(conn,connI,coords,types);//it is not a bug. In 1D policy 0 and 1 are equals
4904 connSafe=conn; connISafe=connI; coordsSafe=coords;
4907 ret=convertLinearCellsToQuadratic2D1(conn,connI,coords,types);
4908 connSafe=conn; connISafe=connI; coordsSafe=coords;
4911 ret=convertLinearCellsToQuadratic3D1(conn,connI,coords,types);
4912 connSafe=conn; connISafe=connI; coordsSafe=coords;
4915 throw INTERP_KERNEL::Exception("MEDCouplingUMesh::convertLinearCellsToQuadratic : conversion of type 1 mesh dimensions available are [1,2,3] !");
4920 throw INTERP_KERNEL::Exception("MEDCouplingUMesh::convertLinearCellsToQuadratic : conversion type available are 0 (default, the simplest) and 1 (the most complex) !");
4922 setConnectivity(connSafe,connISafe,false);
4924 setCoords(coordsSafe);
4929 * Implementes \a conversionType 0 for meshes with meshDim = 1, of MEDCouplingUMesh::convertLinearCellsToQuadratic method.
4930 * \return a newly created DataArrayInt instance that the caller should deal with containing cell ids of converted cells.
4931 * \sa MEDCouplingUMesh::convertLinearCellsToQuadratic.
4933 DataArrayInt *MEDCouplingUMesh::convertLinearCellsToQuadratic1D0(DataArrayInt *&conn, DataArrayInt *&connI, DataArrayDouble *& coords, std::set<INTERP_KERNEL::NormalizedCellType>& types) const
4935 MEDCouplingAutoRefCountObjectPtr<DataArrayDouble> bary=getBarycenterAndOwner();
4936 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> newConn=DataArrayInt::New(); newConn->alloc(0,1);
4937 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> newConnI=DataArrayInt::New(); newConnI->alloc(1,1); newConnI->setIJ(0,0,0);
4938 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> ret=DataArrayInt::New(); ret->alloc(0,1);
4939 int nbOfCells=getNumberOfCells();
4940 int nbOfNodes=getNumberOfNodes();
4941 const int *cPtr=_nodal_connec->getConstPointer();
4942 const int *icPtr=_nodal_connec_index->getConstPointer();
4943 int lastVal=0,offset=nbOfNodes;
4944 for(int i=0;i<nbOfCells;i++,icPtr++)
4946 INTERP_KERNEL::NormalizedCellType type=(INTERP_KERNEL::NormalizedCellType)cPtr[*icPtr];
4947 if(type==INTERP_KERNEL::NORM_SEG2)
4949 types.insert(INTERP_KERNEL::NORM_SEG3);
4950 newConn->pushBackSilent((int)INTERP_KERNEL::NORM_SEG3);
4951 newConn->pushBackValsSilent(cPtr+icPtr[0]+1,cPtr+icPtr[0]+3);
4952 newConn->pushBackSilent(offset++);
4954 newConnI->pushBackSilent(lastVal);
4955 ret->pushBackSilent(i);
4960 lastVal+=(icPtr[1]-icPtr[0]);
4961 newConnI->pushBackSilent(lastVal);
4962 newConn->pushBackValsSilent(cPtr+icPtr[0],cPtr+icPtr[1]);
4965 MEDCouplingAutoRefCountObjectPtr<DataArrayDouble> tmp=bary->selectByTupleIdSafe(ret->begin(),ret->end());
4966 coords=DataArrayDouble::Aggregate(getCoords(),tmp); conn=newConn.retn(); connI=newConnI.retn();
4970 DataArrayInt *MEDCouplingUMesh::convertLinearCellsToQuadratic2DAnd3D0(const MEDCouplingUMesh *m1D, const DataArrayInt *desc, const DataArrayInt *descI, DataArrayInt *&conn, DataArrayInt *&connI, DataArrayDouble *& coords, std::set<INTERP_KERNEL::NormalizedCellType>& types) const
4972 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> newConn=DataArrayInt::New(); newConn->alloc(0,1);
4973 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> newConnI=DataArrayInt::New(); newConnI->alloc(1,1); newConnI->setIJ(0,0,0);
4974 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> ret=DataArrayInt::New(); ret->alloc(0,1);
4976 const int *descPtr(desc->begin()),*descIPtr(descI->begin());
4977 DataArrayInt *conn1D=0,*conn1DI=0;
4978 std::set<INTERP_KERNEL::NormalizedCellType> types1D;
4979 DataArrayDouble *coordsTmp=0;
4980 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> ret1D=m1D->convertLinearCellsToQuadratic1D0(conn1D,conn1DI,coordsTmp,types1D); ret1D=0;
4981 MEDCouplingAutoRefCountObjectPtr<DataArrayDouble> coordsTmpSafe(coordsTmp);
4982 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> conn1DSafe(conn1D),conn1DISafe(conn1DI);
4983 const int *c1DPtr=conn1D->begin();
4984 const int *c1DIPtr=conn1DI->begin();
4985 int nbOfCells=getNumberOfCells();
4986 const int *cPtr=_nodal_connec->getConstPointer();
4987 const int *icPtr=_nodal_connec_index->getConstPointer();
4989 for(int i=0;i<nbOfCells;i++,icPtr++,descIPtr++)
4991 INTERP_KERNEL::NormalizedCellType typ=(INTERP_KERNEL::NormalizedCellType)cPtr[*icPtr];
4992 const INTERP_KERNEL::CellModel& cm=INTERP_KERNEL::CellModel::GetCellModel(typ);
4993 if(!cm.isQuadratic())
4995 INTERP_KERNEL::NormalizedCellType typ2=cm.getQuadraticType();
4996 types.insert(typ2); newConn->pushBackSilent(typ2);
4997 newConn->pushBackValsSilent(cPtr+icPtr[0]+1,cPtr+icPtr[1]);
4998 for(const int *d=descPtr+descIPtr[0];d!=descPtr+descIPtr[1];d++)
4999 newConn->pushBackSilent(c1DPtr[c1DIPtr[*d]+3]);
5000 lastVal+=(icPtr[1]-icPtr[0])+(descIPtr[1]-descIPtr[0]);
5001 newConnI->pushBackSilent(lastVal);
5002 ret->pushBackSilent(i);
5007 lastVal+=(icPtr[1]-icPtr[0]);
5008 newConnI->pushBackSilent(lastVal);
5009 newConn->pushBackValsSilent(cPtr+icPtr[0],cPtr+icPtr[1]);
5012 conn=newConn.retn(); connI=newConnI.retn(); coords=coordsTmpSafe.retn();
5017 * Implementes \a conversionType 0 for meshes with meshDim = 2, of MEDCouplingUMesh::convertLinearCellsToQuadratic method.
5018 * \return a newly created DataArrayInt instance that the caller should deal with containing cell ids of converted cells.
5019 * \sa MEDCouplingUMesh::convertLinearCellsToQuadratic.
5021 DataArrayInt *MEDCouplingUMesh::convertLinearCellsToQuadratic2D0(DataArrayInt *&conn, DataArrayInt *&connI, DataArrayDouble *& coords, std::set<INTERP_KERNEL::NormalizedCellType>& types) const
5024 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> desc(DataArrayInt::New()),descI(DataArrayInt::New()),tmp2(DataArrayInt::New()),tmp3(DataArrayInt::New());
5025 MEDCouplingAutoRefCountObjectPtr<MEDCouplingUMesh> m1D=buildDescendingConnectivity(desc,descI,tmp2,tmp3); tmp2=0; tmp3=0;
5026 return convertLinearCellsToQuadratic2DAnd3D0(m1D,desc,descI,conn,connI,coords,types);
5029 DataArrayInt *MEDCouplingUMesh::convertLinearCellsToQuadratic2D1(DataArrayInt *&conn, DataArrayInt *&connI, DataArrayDouble *& coords, std::set<INTERP_KERNEL::NormalizedCellType>& types) const
5031 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> desc(DataArrayInt::New()),descI(DataArrayInt::New()),tmp2(DataArrayInt::New()),tmp3(DataArrayInt::New());
5032 MEDCouplingAutoRefCountObjectPtr<MEDCouplingUMesh> m1D=buildDescendingConnectivity(desc,descI,tmp2,tmp3); tmp2=0; tmp3=0;
5034 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> newConn=DataArrayInt::New(); newConn->alloc(0,1);
5035 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> newConnI=DataArrayInt::New(); newConnI->alloc(1,1); newConnI->setIJ(0,0,0);
5036 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> ret=DataArrayInt::New(); ret->alloc(0,1);
5038 MEDCouplingAutoRefCountObjectPtr<DataArrayDouble> bary=getBarycenterAndOwner();
5039 const int *descPtr(desc->begin()),*descIPtr(descI->begin());
5040 DataArrayInt *conn1D=0,*conn1DI=0;
5041 std::set<INTERP_KERNEL::NormalizedCellType> types1D;
5042 DataArrayDouble *coordsTmp=0;
5043 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> ret1D=m1D->convertLinearCellsToQuadratic1D0(conn1D,conn1DI,coordsTmp,types1D); ret1D=0;
5044 MEDCouplingAutoRefCountObjectPtr<DataArrayDouble> coordsTmpSafe(coordsTmp);
5045 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> conn1DSafe(conn1D),conn1DISafe(conn1DI);
5046 const int *c1DPtr=conn1D->begin();
5047 const int *c1DIPtr=conn1DI->begin();
5048 int nbOfCells=getNumberOfCells();
5049 const int *cPtr=_nodal_connec->getConstPointer();
5050 const int *icPtr=_nodal_connec_index->getConstPointer();
5051 int lastVal=0,offset=coordsTmpSafe->getNumberOfTuples();
5052 for(int i=0;i<nbOfCells;i++,icPtr++,descIPtr++)
5054 INTERP_KERNEL::NormalizedCellType typ=(INTERP_KERNEL::NormalizedCellType)cPtr[*icPtr];
5055 const INTERP_KERNEL::CellModel& cm=INTERP_KERNEL::CellModel::GetCellModel(typ);
5056 if(!cm.isQuadratic())
5058 INTERP_KERNEL::NormalizedCellType typ2=cm.getQuadraticType2();
5059 types.insert(typ2); newConn->pushBackSilent(typ2);
5060 newConn->pushBackValsSilent(cPtr+icPtr[0]+1,cPtr+icPtr[1]);
5061 for(const int *d=descPtr+descIPtr[0];d!=descPtr+descIPtr[1];d++)
5062 newConn->pushBackSilent(c1DPtr[c1DIPtr[*d]+3]);
5063 newConn->pushBackSilent(offset+ret->getNumberOfTuples());
5064 lastVal+=(icPtr[1]-icPtr[0])+(descIPtr[1]-descIPtr[0])+1;
5065 newConnI->pushBackSilent(lastVal);
5066 ret->pushBackSilent(i);
5071 lastVal+=(icPtr[1]-icPtr[0]);
5072 newConnI->pushBackSilent(lastVal);
5073 newConn->pushBackValsSilent(cPtr+icPtr[0],cPtr+icPtr[1]);
5076 MEDCouplingAutoRefCountObjectPtr<DataArrayDouble> tmp=bary->selectByTupleIdSafe(ret->begin(),ret->end());
5077 coords=DataArrayDouble::Aggregate(coordsTmpSafe,tmp); conn=newConn.retn(); connI=newConnI.retn();
5082 * Implementes \a conversionType 0 for meshes with meshDim = 3, of MEDCouplingUMesh::convertLinearCellsToQuadratic method.
5083 * \return a newly created DataArrayInt instance that the caller should deal with containing cell ids of converted cells.
5084 * \sa MEDCouplingUMesh::convertLinearCellsToQuadratic.
5086 DataArrayInt *MEDCouplingUMesh::convertLinearCellsToQuadratic3D0(DataArrayInt *&conn, DataArrayInt *&connI, DataArrayDouble *& coords, std::set<INTERP_KERNEL::NormalizedCellType>& types) const
5088 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> desc(DataArrayInt::New()),descI(DataArrayInt::New()),tmp2(DataArrayInt::New()),tmp3(DataArrayInt::New());
5089 MEDCouplingAutoRefCountObjectPtr<MEDCouplingUMesh> m1D=explode3DMeshTo1D(desc,descI,tmp2,tmp3); tmp2=0; tmp3=0;
5090 return convertLinearCellsToQuadratic2DAnd3D0(m1D,desc,descI,conn,connI,coords,types);
5093 DataArrayInt *MEDCouplingUMesh::convertLinearCellsToQuadratic3D1(DataArrayInt *&conn, DataArrayInt *&connI, DataArrayDouble *& coords, std::set<INTERP_KERNEL::NormalizedCellType>& types) const
5095 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> desc2(DataArrayInt::New()),desc2I(DataArrayInt::New()),tmp2(DataArrayInt::New()),tmp3(DataArrayInt::New());
5096 MEDCouplingAutoRefCountObjectPtr<MEDCouplingUMesh> m2D=buildDescendingConnectivityGen<MinusOneSonsGeneratorBiQuadratic>(desc2,desc2I,tmp2,tmp3,MEDCouplingFastNbrer); tmp2=0; tmp3=0;
5097 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> desc1(DataArrayInt::New()),desc1I(DataArrayInt::New()),tmp4(DataArrayInt::New()),tmp5(DataArrayInt::New());
5098 MEDCouplingAutoRefCountObjectPtr<MEDCouplingUMesh> m1D=explode3DMeshTo1D(desc1,desc1I,tmp4,tmp5); tmp4=0; tmp5=0;
5100 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> newConn=DataArrayInt::New(); newConn->alloc(0,1);
5101 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> newConnI=DataArrayInt::New(); newConnI->alloc(1,1); newConnI->setIJ(0,0,0);
5102 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> ret=DataArrayInt::New(),ret2=DataArrayInt::New(); ret->alloc(0,1); ret2->alloc(0,1);
5104 MEDCouplingAutoRefCountObjectPtr<DataArrayDouble> bary=getBarycenterAndOwner();
5105 const int *descPtr(desc1->begin()),*descIPtr(desc1I->begin()),*desc2Ptr(desc2->begin()),*desc2IPtr(desc2I->begin());
5106 DataArrayInt *conn1D=0,*conn1DI=0,*conn2D=0,*conn2DI=0;
5107 std::set<INTERP_KERNEL::NormalizedCellType> types1D,types2D;
5108 DataArrayDouble *coordsTmp=0,*coordsTmp2=0;
5109 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> ret1D=m1D->convertLinearCellsToQuadratic1D0(conn1D,conn1DI,coordsTmp,types1D); ret1D=DataArrayInt::New(); ret1D->alloc(0,1);
5110 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> conn1DSafe(conn1D),conn1DISafe(conn1DI);
5111 MEDCouplingAutoRefCountObjectPtr<DataArrayDouble> coordsTmpSafe(coordsTmp);
5112 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> ret2D=m2D->convertLinearCellsToQuadratic2D1(conn2D,conn2DI,coordsTmp2,types2D); ret2D=DataArrayInt::New(); ret2D->alloc(0,1);
5113 MEDCouplingAutoRefCountObjectPtr<DataArrayDouble> coordsTmp2Safe(coordsTmp2);
5114 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> conn2DSafe(conn2D),conn2DISafe(conn2DI);
5115 const int *c1DPtr=conn1D->begin(),*c1DIPtr=conn1DI->begin(),*c2DPtr=conn2D->begin(),*c2DIPtr=conn2DI->begin();
5116 int nbOfCells=getNumberOfCells();
5117 const int *cPtr=_nodal_connec->getConstPointer();
5118 const int *icPtr=_nodal_connec_index->getConstPointer();
5119 int lastVal=0,offset=coordsTmpSafe->getNumberOfTuples();
5120 for(int i=0;i<nbOfCells;i++,icPtr++,descIPtr++,desc2IPtr++)
5122 INTERP_KERNEL::NormalizedCellType typ=(INTERP_KERNEL::NormalizedCellType)cPtr[*icPtr];
5123 const INTERP_KERNEL::CellModel& cm=INTERP_KERNEL::CellModel::GetCellModel(typ);
5124 if(!cm.isQuadratic())
5126 INTERP_KERNEL::NormalizedCellType typ2=cm.getQuadraticType2();
5127 if(typ2==INTERP_KERNEL::NORM_ERROR)
5129 std::ostringstream oss; oss << "MEDCouplingUMesh::convertLinearCellsToQuadratic3D1 : On cell #" << i << " the linear cell type does not support advanced quadratization !";
5130 throw INTERP_KERNEL::Exception(oss.str().c_str());
5132 types.insert(typ2); newConn->pushBackSilent(typ2);
5133 newConn->pushBackValsSilent(cPtr+icPtr[0]+1,cPtr+icPtr[1]);
5134 for(const int *d=descPtr+descIPtr[0];d!=descPtr+descIPtr[1];d++)
5135 newConn->pushBackSilent(c1DPtr[c1DIPtr[*d]+3]);
5136 for(const int *d=desc2Ptr+desc2IPtr[0];d!=desc2Ptr+desc2IPtr[1];d++)
5138 int nodeId2=c2DPtr[c2DIPtr[(*d)+1]-1];
5139 int tmpPos=newConn->getNumberOfTuples();
5140 newConn->pushBackSilent(nodeId2);
5141 ret2D->pushBackSilent(nodeId2); ret1D->pushBackSilent(tmpPos);
5143 newConn->pushBackSilent(offset+ret->getNumberOfTuples());
5144 lastVal+=(icPtr[1]-icPtr[0])+(descIPtr[1]-descIPtr[0])+(desc2IPtr[1]-desc2IPtr[0])+1;
5145 newConnI->pushBackSilent(lastVal);
5146 ret->pushBackSilent(i);
5151 lastVal+=(icPtr[1]-icPtr[0]);
5152 newConnI->pushBackSilent(lastVal);
5153 newConn->pushBackValsSilent(cPtr+icPtr[0],cPtr+icPtr[1]);
5156 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> diffRet2D=ret2D->getDifferentValues();
5157 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> o2nRet2D=diffRet2D->invertArrayN2O2O2N(coordsTmp2Safe->getNumberOfTuples());
5158 coordsTmp2Safe=coordsTmp2Safe->selectByTupleId(diffRet2D->begin(),diffRet2D->end());
5159 MEDCouplingAutoRefCountObjectPtr<DataArrayDouble> tmp=bary->selectByTupleIdSafe(ret->begin(),ret->end());
5160 std::vector<const DataArrayDouble *> v(3); v[0]=coordsTmpSafe; v[1]=coordsTmp2Safe; v[2]=tmp;
5161 int *c=newConn->getPointer();
5162 const int *cI(newConnI->begin());
5163 for(const int *elt=ret1D->begin();elt!=ret1D->end();elt++)
5164 c[*elt]=o2nRet2D->getIJ(c[*elt],0)+offset;
5165 offset=coordsTmp2Safe->getNumberOfTuples();
5166 for(const int *elt=ret->begin();elt!=ret->end();elt++)
5167 c[cI[(*elt)+1]-1]+=offset;
5168 coords=DataArrayDouble::Aggregate(v); conn=newConn.retn(); connI=newConnI.retn();
5173 * Tessellates \a this 2D mesh by dividing not straight edges of quadratic faces,
5174 * so that the number of cells remains the same. Quadratic faces are converted to
5175 * polygons. This method works only for 2D meshes in
5176 * 2D space. If no cells are quadratic (INTERP_KERNEL::NORM_QUAD8,
5177 * INTERP_KERNEL::NORM_TRI6, INTERP_KERNEL::NORM_QPOLYG ), \a this mesh remains unchanged.
5178 * \warning This method can lead to a huge amount of nodes if \a eps is very low.
5179 * \param [in] eps - specifies the maximal angle (in radians) between 2 sub-edges of
5180 * a polylinized edge constituting the input polygon.
5181 * \throw If the coordinates array is not set.
5182 * \throw If the nodal connectivity of cells is not defined.
5183 * \throw If \a this->getMeshDimension() != 2.
5184 * \throw If \a this->getSpaceDimension() != 2.
5186 void MEDCouplingUMesh::tessellate2D(double eps)
5188 checkFullyDefined();
5189 if(getMeshDimension()!=2 || getSpaceDimension()!=2)
5190 throw INTERP_KERNEL::Exception("MEDCouplingUMesh::tessellate2D works on umeshes with meshdim equal to 2 and spaceDim equal to 2 too!");
5191 double epsa=fabs(eps);
5192 if(epsa<std::numeric_limits<double>::min())
5193 throw INTERP_KERNEL::Exception("MEDCouplingUMesh::tessellate2DCurve : epsilon is null ! Please specify a higher epsilon. If too tiny it can lead to a huge amount of nodes and memory !");
5194 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> desc1=DataArrayInt::New();
5195 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> descIndx1=DataArrayInt::New();
5196 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> revDesc1=DataArrayInt::New();
5197 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> revDescIndx1=DataArrayInt::New();
5198 MEDCouplingAutoRefCountObjectPtr<MEDCouplingUMesh> mDesc=buildDescendingConnectivity2(desc1,descIndx1,revDesc1,revDescIndx1);
5199 revDesc1=0; revDescIndx1=0;
5200 mDesc->tessellate2DCurve(eps);
5201 subDivide2DMesh(mDesc->_nodal_connec->getConstPointer(),mDesc->_nodal_connec_index->getConstPointer(),desc1->getConstPointer(),descIndx1->getConstPointer());
5202 setCoords(mDesc->getCoords());
5206 * Tessellates \a this 1D mesh in 2D space by dividing not straight quadratic edges.
5207 * \warning This method can lead to a huge amount of nodes if \a eps is very low.
5208 * \param [in] eps - specifies the maximal angle (in radian) between 2 sub-edges of
5209 * a sub-divided edge.
5210 * \throw If the coordinates array is not set.
5211 * \throw If the nodal connectivity of cells is not defined.
5212 * \throw If \a this->getMeshDimension() != 1.
5213 * \throw If \a this->getSpaceDimension() != 2.
5215 void MEDCouplingUMesh::tessellate2DCurve(double eps)
5217 checkFullyDefined();
5218 if(getMeshDimension()!=1 || getSpaceDimension()!=2)
5219 throw INTERP_KERNEL::Exception("MEDCouplingUMesh::tessellate2DCurve works on umeshes with meshdim equal to 1 and spaceDim equal to 2 too!");
5220 double epsa=fabs(eps);
5221 if(epsa<std::numeric_limits<double>::min())
5222 throw INTERP_KERNEL::Exception("MEDCouplingUMesh::tessellate2DCurve : epsilon is null ! Please specify a higher epsilon. If too tiny it can lead to a huge amount of nodes and memory !");
5223 INTERP_KERNEL::QUADRATIC_PLANAR::_arc_detection_precision=1.e-10;
5224 int nbCells=getNumberOfCells();
5225 int nbNodes=getNumberOfNodes();
5226 const int *conn=_nodal_connec->getConstPointer();
5227 const int *connI=_nodal_connec_index->getConstPointer();
5228 const double *coords=_coords->getConstPointer();
5229 std::vector<double> addCoo;
5230 std::vector<int> newConn;//no direct DataArrayInt because interface with Geometric2D
5231 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> newConnI(DataArrayInt::New());
5232 newConnI->alloc(nbCells+1,1);
5233 int *newConnIPtr=newConnI->getPointer();
5236 INTERP_KERNEL::Node *tmp2[3];
5237 std::set<INTERP_KERNEL::NormalizedCellType> types;
5238 for(int i=0;i<nbCells;i++,newConnIPtr++)
5240 const INTERP_KERNEL::CellModel& cm=INTERP_KERNEL::CellModel::GetCellModel((INTERP_KERNEL::NormalizedCellType)conn[connI[i]]);
5241 if(cm.isQuadratic())
5242 {//assert(connI[i+1]-connI[i]-1==3)
5243 tmp1[0]=conn[connI[i]+1+0]; tmp1[1]=conn[connI[i]+1+1]; tmp1[2]=conn[connI[i]+1+2];
5244 tmp2[0]=new INTERP_KERNEL::Node(coords[2*tmp1[0]],coords[2*tmp1[0]+1]);
5245 tmp2[1]=new INTERP_KERNEL::Node(coords[2*tmp1[1]],coords[2*tmp1[1]+1]);
5246 tmp2[2]=new INTERP_KERNEL::Node(coords[2*tmp1[2]],coords[2*tmp1[2]+1]);
5247 INTERP_KERNEL::EdgeArcCircle *eac=INTERP_KERNEL::EdgeArcCircle::BuildFromNodes(tmp2[0],tmp2[2],tmp2[1]);
5250 eac->tesselate(tmp1,nbNodes,epsa,newConn,addCoo);
5251 types.insert((INTERP_KERNEL::NormalizedCellType)newConn[newConnIPtr[0]]);
5253 newConnIPtr[1]=(int)newConn.size();
5257 types.insert(INTERP_KERNEL::NORM_SEG2);
5258 newConn.push_back(INTERP_KERNEL::NORM_SEG2);
5259 newConn.insert(newConn.end(),conn+connI[i]+1,conn+connI[i]+3);
5260 newConnIPtr[1]=newConnIPtr[0]+3;
5265 types.insert((INTERP_KERNEL::NormalizedCellType)conn[connI[i]]);
5266 newConn.insert(newConn.end(),conn+connI[i],conn+connI[i+1]);
5267 newConnIPtr[1]=newConnIPtr[0]+3;
5270 if(addCoo.empty() && ((int)newConn.size())==_nodal_connec->getNumberOfTuples())//nothing happens during tessellation : no update needed
5273 DataArrayInt::SetArrayIn(newConnI,_nodal_connec_index);
5274 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> newConnArr=DataArrayInt::New();
5275 newConnArr->alloc((int)newConn.size(),1);
5276 std::copy(newConn.begin(),newConn.end(),newConnArr->getPointer());
5277 DataArrayInt::SetArrayIn(newConnArr,_nodal_connec);
5278 MEDCouplingAutoRefCountObjectPtr<DataArrayDouble> newCoords=DataArrayDouble::New();
5279 newCoords->alloc(nbNodes+((int)addCoo.size())/2,2);
5280 double *work=std::copy(_coords->begin(),_coords->end(),newCoords->getPointer());
5281 std::copy(addCoo.begin(),addCoo.end(),work);
5282 DataArrayDouble::SetArrayIn(newCoords,_coords);
5287 * Divides every cell of \a this mesh into simplices (triangles in 2D and tetrahedra in 3D).
5288 * In addition, returns an array mapping new cells to old ones. <br>
5289 * This method typically increases the number of cells in \a this mesh
5290 * but the number of nodes remains \b unchanged.
5291 * That's why the 3D splitting policies
5292 * INTERP_KERNEL::GENERAL_24 and INTERP_KERNEL::GENERAL_48 are not available here.
5293 * \param [in] policy - specifies a pattern used for splitting.
5294 * The semantic of \a policy is:
5295 * - 0 - to split QUAD4 by cutting it along 0-2 diagonal (for 2D mesh only).
5296 * - 1 - to split QUAD4 by cutting it along 1-3 diagonal (for 2D mesh only).
5297 * - INTERP_KERNEL::PLANAR_FACE_5 - to split HEXA8 into 5 TETRA4 (for 3D mesh only).
5298 * - INTERP_KERNEL::PLANAR_FACE_6 - to split HEXA8 into 6 TETRA4 (for 3D mesh only).
5299 * \return DataArrayInt * - a new instance of DataArrayInt holding, for each new cell,
5300 * an id of old cell producing it. The caller is to delete this array using
5301 * decrRef() as it is no more needed.
5302 * \throw If \a policy is 0 or 1 and \a this->getMeshDimension() != 2.
5303 * \throw If \a policy is INTERP_KERNEL::PLANAR_FACE_5 or INTERP_KERNEL::PLANAR_FACE_6
5304 * and \a this->getMeshDimension() != 3.
5305 * \throw If \a policy is not one of the four discussed above.
5306 * \throw If the nodal connectivity of cells is not defined.
5307 * \sa MEDCouplingUMesh::tetrahedrize, MEDCoupling1SGTUMesh::sortHexa8EachOther
5309 DataArrayInt *MEDCouplingUMesh::simplexize(int policy)
5314 return simplexizePol0();
5316 return simplexizePol1();
5317 case (int) INTERP_KERNEL::PLANAR_FACE_5:
5318 return simplexizePlanarFace5();
5319 case (int) INTERP_KERNEL::PLANAR_FACE_6:
5320 return simplexizePlanarFace6();
5322 throw INTERP_KERNEL::Exception("MEDCouplingUMesh::simplexize : unrecognized policy ! Must be :\n - 0 or 1 (only available for meshdim=2) \n - PLANAR_FACE_5, PLANAR_FACE_6 (only for meshdim=3)");
5327 * Checks if \a this mesh is constituted by simplex cells only. Simplex cells are:
5328 * - 1D: INTERP_KERNEL::NORM_SEG2
5329 * - 2D: INTERP_KERNEL::NORM_TRI3
5330 * - 3D: INTERP_KERNEL::NORM_TETRA4.
5332 * This method is useful for users that need to use P1 field services as
5333 * MEDCouplingFieldDouble::getValueOn(), MEDCouplingField::buildMeasureField() etc.
5334 * All these methods need mesh support containing only simplex cells.
5335 * \return bool - \c true if there are only simplex cells in \a this mesh.
5336 * \throw If the coordinates array is not set.
5337 * \throw If the nodal connectivity of cells is not defined.
5338 * \throw If \a this->getMeshDimension() < 1.
5340 bool MEDCouplingUMesh::areOnlySimplexCells() const
5342 checkFullyDefined();
5343 int mdim=getMeshDimension();
5344 if(mdim<1 || mdim>3)
5345 throw INTERP_KERNEL::Exception("MEDCouplingUMesh::areOnlySimplexCells : only available with meshes having a meshdim 1, 2 or 3 !");
5346 int nbCells=getNumberOfCells();
5347 const int *conn=_nodal_connec->getConstPointer();
5348 const int *connI=_nodal_connec_index->getConstPointer();
5349 for(int i=0;i<nbCells;i++)
5351 const INTERP_KERNEL::CellModel& cm=INTERP_KERNEL::CellModel::GetCellModel((INTERP_KERNEL::NormalizedCellType)conn[connI[i]]);
5359 * This method implements policy 0 of virtual method ParaMEDMEM::MEDCouplingUMesh::simplexize.
5361 DataArrayInt *MEDCouplingUMesh::simplexizePol0()
5363 checkConnectivityFullyDefined();
5364 if(getMeshDimension()!=2)
5365 throw INTERP_KERNEL::Exception("MEDCouplingUMesh::simplexizePol0 : this policy is only available for mesh with meshdim == 2 !");
5366 int nbOfCells=getNumberOfCells();
5367 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> ret=DataArrayInt::New();
5368 int nbOfCutCells=getNumberOfCellsWithType(INTERP_KERNEL::NORM_QUAD4);
5369 ret->alloc(nbOfCells+nbOfCutCells,1);
5370 if(nbOfCutCells==0) { ret->iota(0); return ret.retn(); }
5371 int *retPt=ret->getPointer();
5372 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> newConn=DataArrayInt::New();
5373 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> newConnI=DataArrayInt::New();
5374 newConnI->alloc(nbOfCells+nbOfCutCells+1,1);
5375 newConn->alloc(getMeshLength()+3*nbOfCutCells,1);
5376 int *pt=newConn->getPointer();
5377 int *ptI=newConnI->getPointer();
5379 const int *oldc=_nodal_connec->getConstPointer();
5380 const int *ci=_nodal_connec_index->getConstPointer();
5381 for(int i=0;i<nbOfCells;i++,ci++)
5383 if((INTERP_KERNEL::NormalizedCellType)oldc[ci[0]]==INTERP_KERNEL::NORM_QUAD4)
5385 const int tmp[8]={(int)INTERP_KERNEL::NORM_TRI3,oldc[ci[0]+1],oldc[ci[0]+2],oldc[ci[0]+3],
5386 (int)INTERP_KERNEL::NORM_TRI3,oldc[ci[0]+1],oldc[ci[0]+3],oldc[ci[0]+4]};
5387 pt=std::copy(tmp,tmp+8,pt);
5396 pt=std::copy(oldc+ci[0],oldc+ci[1],pt);
5397 ptI[1]=ptI[0]+ci[1]-ci[0];
5402 _nodal_connec->decrRef();
5403 _nodal_connec=newConn.retn();
5404 _nodal_connec_index->decrRef();
5405 _nodal_connec_index=newConnI.retn();
5412 * This method implements policy 1 of virtual method ParaMEDMEM::MEDCouplingUMesh::simplexize.
5414 DataArrayInt *MEDCouplingUMesh::simplexizePol1()
5416 checkConnectivityFullyDefined();
5417 if(getMeshDimension()!=2)
5418 throw INTERP_KERNEL::Exception("MEDCouplingUMesh::simplexizePol0 : this policy is only available for mesh with meshdim == 2 !");
5419 int nbOfCells=getNumberOfCells();
5420 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> ret=DataArrayInt::New();
5421 int nbOfCutCells=getNumberOfCellsWithType(INTERP_KERNEL::NORM_QUAD4);
5422 ret->alloc(nbOfCells+nbOfCutCells,1);
5423 if(nbOfCutCells==0) { ret->iota(0); return ret.retn(); }
5424 int *retPt=ret->getPointer();
5425 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> newConn=DataArrayInt::New();
5426 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> newConnI=DataArrayInt::New();
5427 newConnI->alloc(nbOfCells+nbOfCutCells+1,1);
5428 newConn->alloc(getMeshLength()+3*nbOfCutCells,1);
5429 int *pt=newConn->getPointer();
5430 int *ptI=newConnI->getPointer();
5432 const int *oldc=_nodal_connec->getConstPointer();
5433 const int *ci=_nodal_connec_index->getConstPointer();
5434 for(int i=0;i<nbOfCells;i++,ci++)
5436 if((INTERP_KERNEL::NormalizedCellType)oldc[ci[0]]==INTERP_KERNEL::NORM_QUAD4)
5438 const int tmp[8]={(int)INTERP_KERNEL::NORM_TRI3,oldc[ci[0]+1],oldc[ci[0]+2],oldc[ci[0]+4],
5439 (int)INTERP_KERNEL::NORM_TRI3,oldc[ci[0]+2],oldc[ci[0]+3],oldc[ci[0]+4]};
5440 pt=std::copy(tmp,tmp+8,pt);
5449 pt=std::copy(oldc+ci[0],oldc+ci[1],pt);
5450 ptI[1]=ptI[0]+ci[1]-ci[0];
5455 _nodal_connec->decrRef();
5456 _nodal_connec=newConn.retn();
5457 _nodal_connec_index->decrRef();
5458 _nodal_connec_index=newConnI.retn();
5465 * This method implements policy INTERP_KERNEL::PLANAR_FACE_5 of virtual method ParaMEDMEM::MEDCouplingUMesh::simplexize.
5467 DataArrayInt *MEDCouplingUMesh::simplexizePlanarFace5()
5469 checkConnectivityFullyDefined();
5470 if(getMeshDimension()!=3)
5471 throw INTERP_KERNEL::Exception("MEDCouplingUMesh::simplexizePlanarFace5 : this policy is only available for mesh with meshdim == 3 !");
5472 int nbOfCells=getNumberOfCells();
5473 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> ret=DataArrayInt::New();
5474 int nbOfCutCells=getNumberOfCellsWithType(INTERP_KERNEL::NORM_HEXA8);
5475 ret->alloc(nbOfCells+4*nbOfCutCells,1);
5476 if(nbOfCutCells==0) { ret->iota(0); return ret.retn(); }
5477 int *retPt=ret->getPointer();
5478 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> newConn=DataArrayInt::New();
5479 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> newConnI=DataArrayInt::New();
5480 newConnI->alloc(nbOfCells+4*nbOfCutCells+1,1);
5481 newConn->alloc(getMeshLength()+16*nbOfCutCells,1);//21
5482 int *pt=newConn->getPointer();
5483 int *ptI=newConnI->getPointer();
5485 const int *oldc=_nodal_connec->getConstPointer();
5486 const int *ci=_nodal_connec_index->getConstPointer();
5487 for(int i=0;i<nbOfCells;i++,ci++)
5489 if((INTERP_KERNEL::NormalizedCellType)oldc[ci[0]]==INTERP_KERNEL::NORM_HEXA8)
5491 for(int j=0;j<5;j++,pt+=5,ptI++)
5493 pt[0]=(int)INTERP_KERNEL::NORM_TETRA4;
5494 pt[1]=oldc[ci[0]+INTERP_KERNEL::SPLIT_NODES_5_WO[4*j+0]+1]; pt[2]=oldc[ci[0]+INTERP_KERNEL::SPLIT_NODES_5_WO[4*j+1]+1]; pt[3]=oldc[ci[0]+INTERP_KERNEL::SPLIT_NODES_5_WO[4*j+2]+1]; pt[4]=oldc[ci[0]+INTERP_KERNEL::SPLIT_NODES_5_WO[4*j+3]+1];
5501 pt=std::copy(oldc+ci[0],oldc+ci[1],pt);
5502 ptI[1]=ptI[0]+ci[1]-ci[0];
5507 _nodal_connec->decrRef();
5508 _nodal_connec=newConn.retn();
5509 _nodal_connec_index->decrRef();
5510 _nodal_connec_index=newConnI.retn();
5517 * This method implements policy INTERP_KERNEL::PLANAR_FACE_6 of virtual method ParaMEDMEM::MEDCouplingUMesh::simplexize.
5519 DataArrayInt *MEDCouplingUMesh::simplexizePlanarFace6()
5521 checkConnectivityFullyDefined();
5522 if(getMeshDimension()!=3)
5523 throw INTERP_KERNEL::Exception("MEDCouplingUMesh::simplexizePlanarFace6 : this policy is only available for mesh with meshdim == 3 !");
5524 int nbOfCells=getNumberOfCells();
5525 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> ret=DataArrayInt::New();
5526 int nbOfCutCells=getNumberOfCellsWithType(INTERP_KERNEL::NORM_HEXA8);
5527 ret->alloc(nbOfCells+5*nbOfCutCells,1);
5528 if(nbOfCutCells==0) { ret->iota(0); return ret.retn(); }
5529 int *retPt=ret->getPointer();
5530 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> newConn=DataArrayInt::New();
5531 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> newConnI=DataArrayInt::New();
5532 newConnI->alloc(nbOfCells+5*nbOfCutCells+1,1);
5533 newConn->alloc(getMeshLength()+21*nbOfCutCells,1);
5534 int *pt=newConn->getPointer();
5535 int *ptI=newConnI->getPointer();
5537 const int *oldc=_nodal_connec->getConstPointer();
5538 const int *ci=_nodal_connec_index->getConstPointer();
5539 for(int i=0;i<nbOfCells;i++,ci++)
5541 if((INTERP_KERNEL::NormalizedCellType)oldc[ci[0]]==INTERP_KERNEL::NORM_HEXA8)
5543 for(int j=0;j<6;j++,pt+=5,ptI++)
5545 pt[0]=(int)INTERP_KERNEL::NORM_TETRA4;
5546 pt[1]=oldc[ci[0]+INTERP_KERNEL::SPLIT_NODES_6_WO[4*j+0]+1]; pt[2]=oldc[ci[0]+INTERP_KERNEL::SPLIT_NODES_6_WO[4*j+1]+1]; pt[3]=oldc[ci[0]+INTERP_KERNEL::SPLIT_NODES_6_WO[4*j+2]+1]; pt[4]=oldc[ci[0]+INTERP_KERNEL::SPLIT_NODES_6_WO[4*j+3]+1];
5553 pt=std::copy(oldc+ci[0],oldc+ci[1],pt);
5554 ptI[1]=ptI[0]+ci[1]-ci[0];
5559 _nodal_connec->decrRef();
5560 _nodal_connec=newConn.retn();
5561 _nodal_connec_index->decrRef();
5562 _nodal_connec_index=newConnI.retn();
5569 * This private method is used to subdivide edges of a mesh with meshdim==2. If \a this has no a meshdim equal to 2 an exception will be thrown.
5570 * This method completly ignore coordinates.
5571 * \param nodeSubdived is the nodal connectivity of subdivision of edges
5572 * \param nodeIndxSubdived is the nodal connectivity index of subdivision of edges
5573 * \param desc is descending connectivity in format specified in MEDCouplingUMesh::buildDescendingConnectivity2
5574 * \param descIndex is descending connectivity index in format specified in MEDCouplingUMesh::buildDescendingConnectivity2
5576 void MEDCouplingUMesh::subDivide2DMesh(const int *nodeSubdived, const int *nodeIndxSubdived, const int *desc, const int *descIndex)
5578 checkFullyDefined();
5579 if(getMeshDimension()!=2)
5580 throw INTERP_KERNEL::Exception("MEDCouplingUMesh::subDivide2DMesh : works only on umesh with meshdim==2 !");
5581 int nbOfCells=getNumberOfCells();
5582 int *connI=_nodal_connec_index->getPointer();
5584 for(int i=0;i<nbOfCells;i++,connI++)
5586 int offset=descIndex[i];
5587 int nbOfEdges=descIndex[i+1]-offset;
5589 bool ddirect=desc[offset+nbOfEdges-1]>0;
5590 int eedgeId=std::abs(desc[offset+nbOfEdges-1])-1;
5591 int ref=ddirect?nodeSubdived[nodeIndxSubdived[eedgeId+1]-1]:nodeSubdived[nodeIndxSubdived[eedgeId]+1];
5592 for(int j=0;j<nbOfEdges;j++)
5594 bool direct=desc[offset+j]>0;
5595 int edgeId=std::abs(desc[offset+j])-1;
5596 if(!INTERP_KERNEL::CellModel::GetCellModel((INTERP_KERNEL::NormalizedCellType)nodeSubdived[nodeIndxSubdived[edgeId]]).isQuadratic())
5598 int id1=nodeSubdived[nodeIndxSubdived[edgeId]+1];
5599 int id2=nodeSubdived[nodeIndxSubdived[edgeId+1]-1];
5600 int ref2=direct?id1:id2;
5603 int nbOfSubNodes=nodeIndxSubdived[edgeId+1]-nodeIndxSubdived[edgeId]-1;
5604 newConnLgth+=nbOfSubNodes-1;
5609 std::ostringstream oss; oss << "MEDCouplingUMesh::subDivide2DMesh : On polygon #" << i << " edgeid #" << j << " subedges mismatch : end subedge k!=start subedge k+1 !";
5610 throw INTERP_KERNEL::Exception(oss.str().c_str());
5615 throw INTERP_KERNEL::Exception("MEDCouplingUMesh::subDivide2DMesh : this method only subdivides into linear edges !");
5618 newConnLgth++;//+1 is for cell type
5619 connI[1]=newConnLgth;
5622 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> newConn=DataArrayInt::New();
5623 newConn->alloc(newConnLgth,1);
5624 int *work=newConn->getPointer();
5625 for(int i=0;i<nbOfCells;i++)
5627 *work++=INTERP_KERNEL::NORM_POLYGON;
5628 int offset=descIndex[i];
5629 int nbOfEdges=descIndex[i+1]-offset;
5630 for(int j=0;j<nbOfEdges;j++)
5632 bool direct=desc[offset+j]>0;
5633 int edgeId=std::abs(desc[offset+j])-1;
5635 work=std::copy(nodeSubdived+nodeIndxSubdived[edgeId]+1,nodeSubdived+nodeIndxSubdived[edgeId+1]-1,work);
5638 int nbOfSubNodes=nodeIndxSubdived[edgeId+1]-nodeIndxSubdived[edgeId]-1;
5639 std::reverse_iterator<const int *> it(nodeSubdived+nodeIndxSubdived[edgeId+1]);
5640 work=std::copy(it,it+nbOfSubNodes-1,work);
5644 DataArrayInt::SetArrayIn(newConn,_nodal_connec);
5647 _types.insert(INTERP_KERNEL::NORM_POLYGON);
5651 * Converts degenerated 2D or 3D linear cells of \a this mesh into cells of simpler
5652 * type. For example an INTERP_KERNEL::NORM_QUAD4 cell having only three unique nodes in
5653 * its connectivity is transformed into an INTERP_KERNEL::NORM_TRI3 cell. This method
5654 * does \b not perform geometrical checks and checks only nodal connectivity of cells,
5655 * so it can be useful to call mergeNodes() before calling this method.
5656 * \throw If \a this->getMeshDimension() <= 1.
5657 * \throw If the coordinates array is not set.
5658 * \throw If the nodal connectivity of cells is not defined.
5660 void MEDCouplingUMesh::convertDegeneratedCells()
5662 checkFullyDefined();
5663 if(getMeshDimension()<=1)
5664 throw INTERP_KERNEL::Exception("MEDCouplingUMesh::convertDegeneratedCells works on umeshes with meshdim equals to 2 or 3 !");
5665 int nbOfCells=getNumberOfCells();
5668 int initMeshLgth=getMeshLength();
5669 int *conn=_nodal_connec->getPointer();
5670 int *index=_nodal_connec_index->getPointer();
5674 for(int i=0;i<nbOfCells;i++)
5676 lgthOfCurCell=index[i+1]-posOfCurCell;
5677 INTERP_KERNEL::NormalizedCellType type=(INTERP_KERNEL::NormalizedCellType)conn[posOfCurCell];
5679 INTERP_KERNEL::NormalizedCellType newType=INTERP_KERNEL::CellSimplify::simplifyDegeneratedCell(type,conn+posOfCurCell+1,lgthOfCurCell-1,
5680 conn+newPos+1,newLgth);
5681 conn[newPos]=newType;
5683 posOfCurCell=index[i+1];
5686 if(newPos!=initMeshLgth)
5687 _nodal_connec->reAlloc(newPos);
5692 * Finds incorrectly oriented cells of this 2D mesh in 3D space.
5693 * A cell is considered to be oriented correctly if an angle between its
5694 * normal vector and a given vector is less than \c PI / \c 2.
5695 * \param [in] vec - 3 components of the vector specifying the correct orientation of
5697 * \param [in] polyOnly - if \c true, only polygons are checked, else, all cells are
5699 * \param [in,out] cells - a vector returning ids of incorrectly oriented cells. It
5700 * is not cleared before filling in.
5701 * \throw If \a this->getMeshDimension() != 2.
5702 * \throw If \a this->getSpaceDimension() != 3.
5704 * \ref cpp_mcumesh_are2DCellsNotCorrectlyOriented "Here is a C++ example".<br>
5705 * \ref py_mcumesh_are2DCellsNotCorrectlyOriented "Here is a Python example".
5707 void MEDCouplingUMesh::are2DCellsNotCorrectlyOriented(const double *vec, bool polyOnly, std::vector<int>& cells) const
5709 if(getMeshDimension()!=2 || getSpaceDimension()!=3)
5710 throw INTERP_KERNEL::Exception("Invalid mesh to apply are2DCellsNotCorrectlyOriented on it : must be meshDim==2 and spaceDim==3 !");
5711 int nbOfCells=getNumberOfCells();
5712 const int *conn=_nodal_connec->getConstPointer();
5713 const int *connI=_nodal_connec_index->getConstPointer();
5714 const double *coordsPtr=_coords->getConstPointer();
5715 for(int i=0;i<nbOfCells;i++)
5717 INTERP_KERNEL::NormalizedCellType type=(INTERP_KERNEL::NormalizedCellType)conn[connI[i]];
5718 if(!polyOnly || (type==INTERP_KERNEL::NORM_POLYGON || type==INTERP_KERNEL::NORM_QPOLYG))
5720 bool isQuadratic=INTERP_KERNEL::CellModel::GetCellModel(type).isQuadratic();
5721 if(!IsPolygonWellOriented(isQuadratic,vec,conn+connI[i]+1,conn+connI[i+1],coordsPtr))
5728 * Reverse connectivity of 2D cells whose orientation is not correct. A cell is
5729 * considered to be oriented correctly if an angle between its normal vector and a
5730 * given vector is less than \c PI / \c 2.
5731 * \param [in] vec - 3 components of the vector specifying the correct orientation of
5733 * \param [in] polyOnly - if \c true, only polygons are checked, else, all cells are
5735 * \throw If \a this->getMeshDimension() != 2.
5736 * \throw If \a this->getSpaceDimension() != 3.
5738 * \ref cpp_mcumesh_are2DCellsNotCorrectlyOriented "Here is a C++ example".<br>
5739 * \ref py_mcumesh_are2DCellsNotCorrectlyOriented "Here is a Python example".
5741 void MEDCouplingUMesh::orientCorrectly2DCells(const double *vec, bool polyOnly)
5743 if(getMeshDimension()!=2 || getSpaceDimension()!=3)
5744 throw INTERP_KERNEL::Exception("Invalid mesh to apply orientCorrectly2DCells on it : must be meshDim==2 and spaceDim==3 !");
5745 int nbOfCells=getNumberOfCells();
5746 int *conn=_nodal_connec->getPointer();
5747 const int *connI=_nodal_connec_index->getConstPointer();
5748 const double *coordsPtr=_coords->getConstPointer();
5749 bool isModified=false;
5750 for(int i=0;i<nbOfCells;i++)
5752 INTERP_KERNEL::NormalizedCellType type=(INTERP_KERNEL::NormalizedCellType)conn[connI[i]];
5753 if(!polyOnly || (type==INTERP_KERNEL::NORM_POLYGON || type==INTERP_KERNEL::NORM_QPOLYG))
5755 bool isQuadratic(INTERP_KERNEL::CellModel::GetCellModel(type).isQuadratic());
5756 if(!IsPolygonWellOriented(isQuadratic,vec,conn+connI[i]+1,conn+connI[i+1],coordsPtr))
5761 std::vector<int> tmp(connI[i+1]-connI[i]-2);
5762 std::copy(conn+connI[i]+2,conn+connI[i+1],tmp.rbegin());
5763 std::copy(tmp.begin(),tmp.end(),conn+connI[i]+2);
5767 int sz(((int)(connI[i+1]-connI[i]-1))/2);
5768 std::vector<int> tmp0(sz-1),tmp1(sz);
5769 std::copy(conn+connI[i]+2,conn+connI[i]+1+sz,tmp0.rbegin());
5770 std::copy(conn+connI[i]+1+sz,conn+connI[i+1],tmp1.rbegin());
5771 std::copy(tmp0.begin(),tmp0.end(),conn+connI[i]+2);
5772 std::copy(tmp1.begin(),tmp1.end(),conn+connI[i]+1+sz);
5778 _nodal_connec->declareAsNew();
5783 * Finds incorrectly oriented polyhedral cells, i.e. polyhedrons having correctly
5784 * oriented facets. The normal vector of the facet should point out of the cell.
5785 * \param [in,out] cells - a vector returning ids of incorrectly oriented cells. It
5786 * is not cleared before filling in.
5787 * \throw If \a this->getMeshDimension() != 3.
5788 * \throw If \a this->getSpaceDimension() != 3.
5789 * \throw If the coordinates array is not set.
5790 * \throw If the nodal connectivity of cells is not defined.
5792 * \ref cpp_mcumesh_arePolyhedronsNotCorrectlyOriented "Here is a C++ example".<br>
5793 * \ref py_mcumesh_arePolyhedronsNotCorrectlyOriented "Here is a Python example".
5795 void MEDCouplingUMesh::arePolyhedronsNotCorrectlyOriented(std::vector<int>& cells) const
5797 if(getMeshDimension()!=3 || getSpaceDimension()!=3)
5798 throw INTERP_KERNEL::Exception("Invalid mesh to apply arePolyhedronsNotCorrectlyOriented on it : must be meshDim==3 and spaceDim==3 !");
5799 int nbOfCells=getNumberOfCells();
5800 const int *conn=_nodal_connec->getConstPointer();
5801 const int *connI=_nodal_connec_index->getConstPointer();
5802 const double *coordsPtr=_coords->getConstPointer();
5803 for(int i=0;i<nbOfCells;i++)
5805 INTERP_KERNEL::NormalizedCellType type=(INTERP_KERNEL::NormalizedCellType)conn[connI[i]];
5806 if(type==INTERP_KERNEL::NORM_POLYHED)
5808 if(!IsPolyhedronWellOriented(conn+connI[i]+1,conn+connI[i+1],coordsPtr))
5815 * Tries to fix connectivity of polyhedra, so that normal vector of all facets to point
5817 * \throw If \a this->getMeshDimension() != 3.
5818 * \throw If \a this->getSpaceDimension() != 3.
5819 * \throw If the coordinates array is not set.
5820 * \throw If the nodal connectivity of cells is not defined.
5821 * \throw If the reparation fails.
5823 * \ref cpp_mcumesh_arePolyhedronsNotCorrectlyOriented "Here is a C++ example".<br>
5824 * \ref py_mcumesh_arePolyhedronsNotCorrectlyOriented "Here is a Python example".
5825 * \sa MEDCouplingUMesh::findAndCorrectBadOriented3DCells
5827 void MEDCouplingUMesh::orientCorrectlyPolyhedrons()
5829 if(getMeshDimension()!=3 || getSpaceDimension()!=3)
5830 throw INTERP_KERNEL::Exception("Invalid mesh to apply orientCorrectlyPolyhedrons on it : must be meshDim==3 and spaceDim==3 !");
5831 int nbOfCells=getNumberOfCells();
5832 int *conn=_nodal_connec->getPointer();
5833 const int *connI=_nodal_connec_index->getConstPointer();
5834 const double *coordsPtr=_coords->getConstPointer();
5835 for(int i=0;i<nbOfCells;i++)
5837 INTERP_KERNEL::NormalizedCellType type=(INTERP_KERNEL::NormalizedCellType)conn[connI[i]];
5838 if(type==INTERP_KERNEL::NORM_POLYHED)
5842 if(!IsPolyhedronWellOriented(conn+connI[i]+1,conn+connI[i+1],coordsPtr))
5843 TryToCorrectPolyhedronOrientation(conn+connI[i]+1,conn+connI[i+1],coordsPtr);
5845 catch(INTERP_KERNEL::Exception& e)
5847 std::ostringstream oss; oss << "Something wrong in polyhedron #" << i << " : " << e.what();
5848 throw INTERP_KERNEL::Exception(oss.str().c_str());
5856 * Finds and fixes incorrectly oriented linear extruded volumes (INTERP_KERNEL::NORM_HEXA8,
5857 * INTERP_KERNEL::NORM_PENTA6, INTERP_KERNEL::NORM_HEXGP12 etc) to respect the MED convention
5858 * according to which the first facet of the cell should be oriented to have the normal vector
5859 * pointing out of cell.
5860 * \return DataArrayInt * - a new instance of DataArrayInt holding ids of fixed
5861 * cells. The caller is to delete this array using decrRef() as it is no more
5863 * \throw If \a this->getMeshDimension() != 3.
5864 * \throw If \a this->getSpaceDimension() != 3.
5865 * \throw If the coordinates array is not set.
5866 * \throw If the nodal connectivity of cells is not defined.
5868 * \ref cpp_mcumesh_findAndCorrectBadOriented3DExtrudedCells "Here is a C++ example".<br>
5869 * \ref py_mcumesh_findAndCorrectBadOriented3DExtrudedCells "Here is a Python example".
5870 * \sa MEDCouplingUMesh::findAndCorrectBadOriented3DCells
5872 DataArrayInt *MEDCouplingUMesh::findAndCorrectBadOriented3DExtrudedCells()
5874 const char msg[]="check3DCellsWellOriented detection works only for 3D cells !";
5875 if(getMeshDimension()!=3)
5876 throw INTERP_KERNEL::Exception(msg);
5877 int spaceDim=getSpaceDimension();
5879 throw INTERP_KERNEL::Exception(msg);
5881 int nbOfCells=getNumberOfCells();
5882 int *conn=_nodal_connec->getPointer();
5883 const int *connI=_nodal_connec_index->getConstPointer();
5884 const double *coo=getCoords()->getConstPointer();
5885 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> cells(DataArrayInt::New()); cells->alloc(0,1);
5886 for(int i=0;i<nbOfCells;i++)
5888 const INTERP_KERNEL::CellModel& cm=INTERP_KERNEL::CellModel::GetCellModel((INTERP_KERNEL::NormalizedCellType)conn[connI[i]]);
5889 if(cm.isExtruded() && !cm.isDynamic() && !cm.isQuadratic())
5891 if(!Is3DExtrudedStaticCellWellOriented(conn+connI[i]+1,conn+connI[i+1],coo))
5893 CorrectExtrudedStaticCell(conn+connI[i]+1,conn+connI[i+1]);
5894 cells->pushBackSilent(i);
5898 return cells.retn();
5902 * This method is a faster method to correct orientation of all 3D cells in \a this.
5903 * This method works only if \a this is a 3D mesh, that is to say a mesh with mesh dimension 3 and a space dimension 3.
5904 * This method makes the hypothesis that \a this a coherent that is to say MEDCouplingUMesh::checkCoherency2 should throw no exception.
5906 * \ret a newly allocated int array with one components containing cell ids renumbered to fit the convention of MED (MED file and MEDCoupling)
5907 * \sa MEDCouplingUMesh::orientCorrectlyPolyhedrons,
5909 DataArrayInt *MEDCouplingUMesh::findAndCorrectBadOriented3DCells()
5911 if(getMeshDimension()!=3 || getSpaceDimension()!=3)
5912 throw INTERP_KERNEL::Exception("Invalid mesh to apply findAndCorrectBadOriented3DCells on it : must be meshDim==3 and spaceDim==3 !");
5913 int nbOfCells=getNumberOfCells();
5914 int *conn=_nodal_connec->getPointer();
5915 const int *connI=_nodal_connec_index->getConstPointer();
5916 const double *coordsPtr=_coords->getConstPointer();
5917 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> ret=DataArrayInt::New(); ret->alloc(0,1);
5918 for(int i=0;i<nbOfCells;i++)
5920 INTERP_KERNEL::NormalizedCellType type=(INTERP_KERNEL::NormalizedCellType)conn[connI[i]];
5923 case INTERP_KERNEL::NORM_TETRA4:
5925 if(!IsTetra4WellOriented(conn+connI[i]+1,conn+connI[i+1],coordsPtr))
5927 std::swap(*(conn+connI[i]+2),*(conn+connI[i]+3));
5928 ret->pushBackSilent(i);
5932 case INTERP_KERNEL::NORM_PYRA5:
5934 if(!IsPyra5WellOriented(conn+connI[i]+1,conn+connI[i+1],coordsPtr))
5936 std::swap(*(conn+connI[i]+2),*(conn+connI[i]+4));
5937 ret->pushBackSilent(i);
5941 case INTERP_KERNEL::NORM_PENTA6:
5942 case INTERP_KERNEL::NORM_HEXA8:
5943 case INTERP_KERNEL::NORM_HEXGP12:
5945 if(!Is3DExtrudedStaticCellWellOriented(conn+connI[i]+1,conn+connI[i+1],coordsPtr))
5947 CorrectExtrudedStaticCell(conn+connI[i]+1,conn+connI[i+1]);
5948 ret->pushBackSilent(i);
5952 case INTERP_KERNEL::NORM_POLYHED:
5954 if(!IsPolyhedronWellOriented(conn+connI[i]+1,conn+connI[i+1],coordsPtr))
5956 TryToCorrectPolyhedronOrientation(conn+connI[i]+1,conn+connI[i+1],coordsPtr);
5957 ret->pushBackSilent(i);
5962 throw INTERP_KERNEL::Exception("MEDCouplingUMesh::orientCorrectly3DCells : Your mesh contains type of cell not supported yet ! send mail to anthony.geay@cea.fr to add it !");
5970 * This method has a sense for meshes with spaceDim==3 and meshDim==2.
5971 * If it is not the case an exception will be thrown.
5972 * This method is fast because the first cell of \a this is used to compute the plane.
5973 * \param vec output of size at least 3 used to store the normal vector (with norm equal to Area ) of searched plane.
5974 * \param pos output of size at least 3 used to store a point owned of searched plane.
5976 void MEDCouplingUMesh::getFastAveragePlaneOfThis(double *vec, double *pos) const
5978 if(getMeshDimension()!=2 || getSpaceDimension()!=3)
5979 throw INTERP_KERNEL::Exception("Invalid mesh to apply getFastAveragePlaneOfThis on it : must be meshDim==2 and spaceDim==3 !");
5980 const int *conn=_nodal_connec->getConstPointer();
5981 const int *connI=_nodal_connec_index->getConstPointer();
5982 const double *coordsPtr=_coords->getConstPointer();
5983 INTERP_KERNEL::areaVectorOfPolygon<int,INTERP_KERNEL::ALL_C_MODE>(conn+1,connI[1]-connI[0]-1,coordsPtr,vec);
5984 std::copy(coordsPtr+3*conn[1],coordsPtr+3*conn[1]+3,pos);
5988 * Creates a new MEDCouplingFieldDouble holding Edge Ratio values of all
5989 * cells. Currently cells of the following types are treated:
5990 * INTERP_KERNEL::NORM_TRI3, INTERP_KERNEL::NORM_QUAD4 and INTERP_KERNEL::NORM_TETRA4.
5991 * For a cell of other type an exception is thrown.
5992 * Space dimension of a 2D mesh can be either 2 or 3.
5993 * The Edge Ratio of a cell \f$t\f$ is:
5994 * \f$\frac{|t|_\infty}{|t|_0}\f$,
5995 * where \f$|t|_\infty\f$ and \f$|t|_0\f$ respectively denote the greatest and
5996 * the smallest edge lengths of \f$t\f$.
5997 * \return MEDCouplingFieldDouble * - a new instance of MEDCouplingFieldDouble on
5998 * cells and one time, lying on \a this mesh. The caller is to delete this
5999 * field using decrRef() as it is no more needed.
6000 * \throw If the coordinates array is not set.
6001 * \throw If \a this mesh contains elements of dimension different from the mesh dimension.
6002 * \throw If the connectivity data array has more than one component.
6003 * \throw If the connectivity data array has a named component.
6004 * \throw If the connectivity index data array has more than one component.
6005 * \throw If the connectivity index data array has a named component.
6006 * \throw If \a this->getMeshDimension() is neither 2 nor 3.
6007 * \throw If \a this->getSpaceDimension() is neither 2 nor 3.
6008 * \throw If \a this mesh includes cells of type different from the ones enumerated above.
6010 MEDCouplingFieldDouble *MEDCouplingUMesh::getEdgeRatioField() const
6013 int spaceDim=getSpaceDimension();
6014 int meshDim=getMeshDimension();
6015 if(spaceDim!=2 && spaceDim!=3)
6016 throw INTERP_KERNEL::Exception("MEDCouplingUMesh::getEdgeRatioField : SpaceDimension must be equal to 2 or 3 !");
6017 if(meshDim!=2 && meshDim!=3)
6018 throw INTERP_KERNEL::Exception("MEDCouplingUMesh::getEdgeRatioField : MeshDimension must be equal to 2 or 3 !");
6019 MEDCouplingAutoRefCountObjectPtr<MEDCouplingFieldDouble> ret=MEDCouplingFieldDouble::New(ON_CELLS,ONE_TIME);
6021 int nbOfCells=getNumberOfCells();
6022 MEDCouplingAutoRefCountObjectPtr<DataArrayDouble> arr=DataArrayDouble::New();
6023 arr->alloc(nbOfCells,1);
6024 double *pt=arr->getPointer();
6025 ret->setArray(arr);//In case of throw to avoid mem leaks arr will be used after decrRef.
6026 const int *conn=_nodal_connec->getConstPointer();
6027 const int *connI=_nodal_connec_index->getConstPointer();
6028 const double *coo=_coords->getConstPointer();
6030 for(int i=0;i<nbOfCells;i++,pt++)
6032 INTERP_KERNEL::NormalizedCellType t=(INTERP_KERNEL::NormalizedCellType)*conn;
6035 case INTERP_KERNEL::NORM_TRI3:
6037 FillInCompact3DMode(spaceDim,3,conn+1,coo,tmp);
6038 *pt=INTERP_KERNEL::triEdgeRatio(tmp);
6041 case INTERP_KERNEL::NORM_QUAD4:
6043 FillInCompact3DMode(spaceDim,4,conn+1,coo,tmp);
6044 *pt=INTERP_KERNEL::quadEdgeRatio(tmp);
6047 case INTERP_KERNEL::NORM_TETRA4:
6049 FillInCompact3DMode(spaceDim,4,conn+1,coo,tmp);
6050 *pt=INTERP_KERNEL::tetraEdgeRatio(tmp);
6054 throw INTERP_KERNEL::Exception("MEDCouplingUMesh::getEdgeRatioField : A cell with not manged type (NORM_TRI3, NORM_QUAD4 and NORM_TETRA4) has been detected !");
6056 conn+=connI[i+1]-connI[i];
6058 ret->setName("EdgeRatio");
6059 ret->synchronizeTimeWithSupport();
6064 * Creates a new MEDCouplingFieldDouble holding Aspect Ratio values of all
6065 * cells. Currently cells of the following types are treated:
6066 * INTERP_KERNEL::NORM_TRI3, INTERP_KERNEL::NORM_QUAD4 and INTERP_KERNEL::NORM_TETRA4.
6067 * For a cell of other type an exception is thrown.
6068 * Space dimension of a 2D mesh can be either 2 or 3.
6069 * \return MEDCouplingFieldDouble * - a new instance of MEDCouplingFieldDouble on
6070 * cells and one time, lying on \a this mesh. The caller is to delete this
6071 * field using decrRef() as it is no more needed.
6072 * \throw If the coordinates array is not set.
6073 * \throw If \a this mesh contains elements of dimension different from the mesh dimension.
6074 * \throw If the connectivity data array has more than one component.
6075 * \throw If the connectivity data array has a named component.
6076 * \throw If the connectivity index data array has more than one component.
6077 * \throw If the connectivity index data array has a named component.
6078 * \throw If \a this->getMeshDimension() is neither 2 nor 3.
6079 * \throw If \a this->getSpaceDimension() is neither 2 nor 3.
6080 * \throw If \a this mesh includes cells of type different from the ones enumerated above.
6082 MEDCouplingFieldDouble *MEDCouplingUMesh::getAspectRatioField() const
6085 int spaceDim=getSpaceDimension();
6086 int meshDim=getMeshDimension();
6087 if(spaceDim!=2 && spaceDim!=3)
6088 throw INTERP_KERNEL::Exception("MEDCouplingUMesh::getAspectRatioField : SpaceDimension must be equal to 2 or 3 !");
6089 if(meshDim!=2 && meshDim!=3)
6090 throw INTERP_KERNEL::Exception("MEDCouplingUMesh::getAspectRatioField : MeshDimension must be equal to 2 or 3 !");
6091 MEDCouplingAutoRefCountObjectPtr<MEDCouplingFieldDouble> ret=MEDCouplingFieldDouble::New(ON_CELLS,ONE_TIME);
6093 int nbOfCells=getNumberOfCells();
6094 MEDCouplingAutoRefCountObjectPtr<DataArrayDouble> arr=DataArrayDouble::New();
6095 arr->alloc(nbOfCells,1);
6096 double *pt=arr->getPointer();
6097 ret->setArray(arr);//In case of throw to avoid mem leaks arr will be used after decrRef.
6098 const int *conn=_nodal_connec->getConstPointer();
6099 const int *connI=_nodal_connec_index->getConstPointer();
6100 const double *coo=_coords->getConstPointer();
6102 for(int i=0;i<nbOfCells;i++,pt++)
6104 INTERP_KERNEL::NormalizedCellType t=(INTERP_KERNEL::NormalizedCellType)*conn;
6107 case INTERP_KERNEL::NORM_TRI3:
6109 FillInCompact3DMode(spaceDim,3,conn+1,coo,tmp);
6110 *pt=INTERP_KERNEL::triAspectRatio(tmp);
6113 case INTERP_KERNEL::NORM_QUAD4:
6115 FillInCompact3DMode(spaceDim,4,conn+1,coo,tmp);
6116 *pt=INTERP_KERNEL::quadAspectRatio(tmp);
6119 case INTERP_KERNEL::NORM_TETRA4:
6121 FillInCompact3DMode(spaceDim,4,conn+1,coo,tmp);
6122 *pt=INTERP_KERNEL::tetraAspectRatio(tmp);
6126 throw INTERP_KERNEL::Exception("MEDCouplingUMesh::getAspectRatioField : A cell with not manged type (NORM_TRI3, NORM_QUAD4 and NORM_TETRA4) has been detected !");
6128 conn+=connI[i+1]-connI[i];
6130 ret->setName("AspectRatio");
6131 ret->synchronizeTimeWithSupport();
6136 * Creates a new MEDCouplingFieldDouble holding Warping factor values of all
6137 * cells of \a this 2D mesh in 3D space. Currently cells of the following types are
6138 * treated: INTERP_KERNEL::NORM_QUAD4.
6139 * For a cell of other type an exception is thrown.
6140 * \return MEDCouplingFieldDouble * - a new instance of MEDCouplingFieldDouble on
6141 * cells and one time, lying on \a this mesh. The caller is to delete this
6142 * field using decrRef() as it is no more needed.
6143 * \throw If the coordinates array is not set.
6144 * \throw If \a this mesh contains elements of dimension different from the mesh dimension.
6145 * \throw If the connectivity data array has more than one component.
6146 * \throw If the connectivity data array has a named component.
6147 * \throw If the connectivity index data array has more than one component.
6148 * \throw If the connectivity index data array has a named component.
6149 * \throw If \a this->getMeshDimension() != 2.
6150 * \throw If \a this->getSpaceDimension() != 3.
6151 * \throw If \a this mesh includes cells of type different from the ones enumerated above.
6153 MEDCouplingFieldDouble *MEDCouplingUMesh::getWarpField() const
6156 int spaceDim=getSpaceDimension();
6157 int meshDim=getMeshDimension();
6159 throw INTERP_KERNEL::Exception("MEDCouplingUMesh::getWarpField : SpaceDimension must be equal to 3 !");
6161 throw INTERP_KERNEL::Exception("MEDCouplingUMesh::getWarpField : MeshDimension must be equal to 2 !");
6162 MEDCouplingAutoRefCountObjectPtr<MEDCouplingFieldDouble> ret=MEDCouplingFieldDouble::New(ON_CELLS,ONE_TIME);
6164 int nbOfCells=getNumberOfCells();
6165 MEDCouplingAutoRefCountObjectPtr<DataArrayDouble> arr=DataArrayDouble::New();
6166 arr->alloc(nbOfCells,1);
6167 double *pt=arr->getPointer();
6168 ret->setArray(arr);//In case of throw to avoid mem leaks arr will be used after decrRef.
6169 const int *conn=_nodal_connec->getConstPointer();
6170 const int *connI=_nodal_connec_index->getConstPointer();
6171 const double *coo=_coords->getConstPointer();
6173 for(int i=0;i<nbOfCells;i++,pt++)
6175 INTERP_KERNEL::NormalizedCellType t=(INTERP_KERNEL::NormalizedCellType)*conn;
6178 case INTERP_KERNEL::NORM_QUAD4:
6180 FillInCompact3DMode(3,4,conn+1,coo,tmp);
6181 *pt=INTERP_KERNEL::quadWarp(tmp);
6185 throw INTERP_KERNEL::Exception("MEDCouplingUMesh::getWarpField : A cell with not manged type (NORM_QUAD4) has been detected !");
6187 conn+=connI[i+1]-connI[i];
6189 ret->setName("Warp");
6190 ret->synchronizeTimeWithSupport();
6196 * Creates a new MEDCouplingFieldDouble holding Skew factor values of all
6197 * cells of \a this 2D mesh in 3D space. Currently cells of the following types are
6198 * treated: INTERP_KERNEL::NORM_QUAD4.
6199 * For a cell of other type an exception is thrown.
6200 * \return MEDCouplingFieldDouble * - a new instance of MEDCouplingFieldDouble on
6201 * cells and one time, lying on \a this mesh. The caller is to delete this
6202 * field using decrRef() as it is no more needed.
6203 * \throw If the coordinates array is not set.
6204 * \throw If \a this mesh contains elements of dimension different from the mesh dimension.
6205 * \throw If the connectivity data array has more than one component.
6206 * \throw If the connectivity data array has a named component.
6207 * \throw If the connectivity index data array has more than one component.
6208 * \throw If the connectivity index data array has a named component.
6209 * \throw If \a this->getMeshDimension() != 2.
6210 * \throw If \a this->getSpaceDimension() != 3.
6211 * \throw If \a this mesh includes cells of type different from the ones enumerated above.
6213 MEDCouplingFieldDouble *MEDCouplingUMesh::getSkewField() const
6216 int spaceDim=getSpaceDimension();
6217 int meshDim=getMeshDimension();
6219 throw INTERP_KERNEL::Exception("MEDCouplingUMesh::getSkewField : SpaceDimension must be equal to 3 !");
6221 throw INTERP_KERNEL::Exception("MEDCouplingUMesh::getSkewField : MeshDimension must be equal to 2 !");
6222 MEDCouplingAutoRefCountObjectPtr<MEDCouplingFieldDouble> ret=MEDCouplingFieldDouble::New(ON_CELLS,ONE_TIME);
6224 int nbOfCells=getNumberOfCells();
6225 MEDCouplingAutoRefCountObjectPtr<DataArrayDouble> arr=DataArrayDouble::New();
6226 arr->alloc(nbOfCells,1);
6227 double *pt=arr->getPointer();
6228 ret->setArray(arr);//In case of throw to avoid mem leaks arr will be used after decrRef.
6229 const int *conn=_nodal_connec->getConstPointer();
6230 const int *connI=_nodal_connec_index->getConstPointer();
6231 const double *coo=_coords->getConstPointer();
6233 for(int i=0;i<nbOfCells;i++,pt++)
6235 INTERP_KERNEL::NormalizedCellType t=(INTERP_KERNEL::NormalizedCellType)*conn;
6238 case INTERP_KERNEL::NORM_QUAD4:
6240 FillInCompact3DMode(3,4,conn+1,coo,tmp);
6241 *pt=INTERP_KERNEL::quadSkew(tmp);
6245 throw INTERP_KERNEL::Exception("MEDCouplingUMesh::getSkewField : A cell with not manged type (NORM_QUAD4) has been detected !");
6247 conn+=connI[i+1]-connI[i];
6249 ret->setName("Skew");
6250 ret->synchronizeTimeWithSupport();
6255 * This method aggregate the bbox of each cell and put it into bbox parameter.
6257 * \param [in] arcDetEps - a parameter specifying in case of 2D quadratic polygon cell the detection limit between linear and arc circle. (By default 1e-12)
6258 * For all other cases this input parameter is ignored.
6259 * \return DataArrayDouble * - newly created object (to be managed by the caller) \a this number of cells tuples and 2*spacedim components.
6261 * \throw If \a this is not fully set (coordinates and connectivity).
6262 * \throw If a cell in \a this has no valid nodeId.
6263 * \sa MEDCouplingUMesh::getBoundingBoxForBBTreeFast, MEDCouplingUMesh::getBoundingBoxForBBTree2DQuadratic
6265 DataArrayDouble *MEDCouplingUMesh::getBoundingBoxForBBTree(double arcDetEps) const
6267 int mDim(getMeshDimension()),sDim(getSpaceDimension());
6268 if(mDim!=2 || sDim!=2)
6269 return getBoundingBoxForBBTreeFast();
6272 bool presenceOfQuadratic(false);
6273 for(std::set<INTERP_KERNEL::NormalizedCellType>::const_iterator it=_types.begin();it!=_types.end();it++)
6275 const INTERP_KERNEL::CellModel& cm(INTERP_KERNEL::CellModel::GetCellModel(*it));
6276 if(cm.isQuadratic())
6277 presenceOfQuadratic=true;
6279 if(presenceOfQuadratic)
6280 return getBoundingBoxForBBTree2DQuadratic(arcDetEps);
6282 return getBoundingBoxForBBTreeFast();
6287 * This method aggregate the bbox of each cell only considering the nodes constituting each cell and put it into bbox parameter.
6288 * So meshes having quadratic cells the computed bounding boxes can be invalid !
6290 * \return DataArrayDouble * - newly created object (to be managed by the caller) \a this number of cells tuples and 2*spacedim components.
6292 * \throw If \a this is not fully set (coordinates and connectivity).
6293 * \throw If a cell in \a this has no valid nodeId.
6295 DataArrayDouble *MEDCouplingUMesh::getBoundingBoxForBBTreeFast() const
6297 checkFullyDefined();
6298 int spaceDim(getSpaceDimension()),nbOfCells(getNumberOfCells()),nbOfNodes(getNumberOfNodes());
6299 MEDCouplingAutoRefCountObjectPtr<DataArrayDouble> ret(DataArrayDouble::New()); ret->alloc(nbOfCells,2*spaceDim);
6300 double *bbox(ret->getPointer());
6301 for(int i=0;i<nbOfCells*spaceDim;i++)
6303 bbox[2*i]=std::numeric_limits<double>::max();
6304 bbox[2*i+1]=-std::numeric_limits<double>::max();
6306 const double *coordsPtr(_coords->getConstPointer());
6307 const int *conn(_nodal_connec->getConstPointer()),*connI(_nodal_connec_index->getConstPointer());
6308 for(int i=0;i<nbOfCells;i++)
6310 int offset=connI[i]+1;
6311 int nbOfNodesForCell(connI[i+1]-offset),kk(0);
6312 for(int j=0;j<nbOfNodesForCell;j++)
6314 int nodeId=conn[offset+j];
6315 if(nodeId>=0 && nodeId<nbOfNodes)
6317 for(int k=0;k<spaceDim;k++)
6319 bbox[2*spaceDim*i+2*k]=std::min(bbox[2*spaceDim*i+2*k],coordsPtr[spaceDim*nodeId+k]);
6320 bbox[2*spaceDim*i+2*k+1]=std::max(bbox[2*spaceDim*i+2*k+1],coordsPtr[spaceDim*nodeId+k]);
6327 std::ostringstream oss; oss << "MEDCouplingUMesh::getBoundingBoxForBBTree : cell #" << i << " contains no valid nodeId !";
6328 throw INTERP_KERNEL::Exception(oss.str().c_str());
6335 * This method aggregate the bbox regarding foreach 2D cell in \a this the whole shape. So this method is particulary useful for 2D meshes having quadratic cells
6336 * because for this type of cells getBoundingBoxForBBTreeFast method may return invalid bounding boxes.
6338 * \param [in] arcDetEps - a parameter specifying in case of 2D quadratic polygon cell the detection limit between linear and arc circle. (By default 1e-12)
6339 * \return DataArrayDouble * - newly created object (to be managed by the caller) \a this number of cells tuples and 2*spacedim components.
6340 * \throw If \a this is not fully defined.
6341 * \throw If \a this is not a mesh with meshDimension equal to 2.
6342 * \throw If \a this is not a mesh with spaceDimension equal to 2.
6344 DataArrayDouble *MEDCouplingUMesh::getBoundingBoxForBBTree2DQuadratic(double arcDetEps) const
6346 checkFullyDefined();
6347 int spaceDim(getSpaceDimension()),mDim(getMeshDimension()),nbOfCells(getNumberOfCells()),nbOfNodes(getNumberOfNodes());
6348 if(mDim!=2 || spaceDim!=2)
6349 throw INTERP_KERNEL::Exception("MEDCouplingUMesh::getBoundingBoxForBBTree2DQuadratic : This method should be applied on mesh with mesh dimension equal to 2 and space dimension also equal to 2!");
6350 MEDCouplingAutoRefCountObjectPtr<DataArrayDouble> ret(DataArrayDouble::New()); ret->alloc(nbOfCells,2*spaceDim);
6351 double *bbox(ret->getPointer());
6352 const double *coords(_coords->getConstPointer());
6353 const int *conn(_nodal_connec->getConstPointer()),*connI(_nodal_connec_index->getConstPointer());
6354 for(int i=0;i<nbOfCells;i++,bbox+=4,connI++)
6356 const INTERP_KERNEL::CellModel& cm(INTERP_KERNEL::CellModel::GetCellModel((INTERP_KERNEL::NormalizedCellType)conn[*connI]));
6357 int sz(connI[1]-connI[0]-1);
6358 INTERP_KERNEL::QUADRATIC_PLANAR::_arc_detection_precision=1e-12;
6359 std::vector<INTERP_KERNEL::Node *> nodes(sz);
6360 INTERP_KERNEL::QuadraticPolygon *pol(0);
6361 for(int j=0;j<sz;j++)
6363 int nodeId(conn[*connI+1+j]);
6364 nodes[j]=new INTERP_KERNEL::Node(coords[nodeId*2],coords[nodeId*2+1]);
6366 if(!cm.isQuadratic())
6367 pol=INTERP_KERNEL::QuadraticPolygon::BuildLinearPolygon(nodes);
6369 pol=INTERP_KERNEL::QuadraticPolygon::BuildArcCirclePolygon(nodes);
6370 INTERP_KERNEL::Bounds b; pol->fillBounds(b); delete pol;
6371 bbox[0]=b.getXMin(); bbox[1]=b.getXMax(); bbox[2]=b.getYMin(); bbox[3]=b.getYMax();
6378 namespace ParaMEDMEMImpl
6383 ConnReader(const int *c, int val):_conn(c),_val(val) { }
6384 bool operator() (const int& pos) { return _conn[pos]!=_val; }
6393 ConnReader2(const int *c, int val):_conn(c),_val(val) { }
6394 bool operator() (const int& pos) { return _conn[pos]==_val; }
6404 * This method expects that \a this is sorted by types. If not an exception will be thrown.
6405 * This method returns in the same format as code (see MEDCouplingUMesh::checkTypeConsistencyAndContig or MEDCouplingUMesh::splitProfilePerType) how
6406 * \a this is composed in cell types.
6407 * The returned array is of size 3*n where n is the number of different types present in \a this.
6408 * For every k in [0,n] ret[3*k+2]==-1 because it has no sense here.
6409 * This parameter is kept only for compatibility with other methode listed above.
6411 std::vector<int> MEDCouplingUMesh::getDistributionOfTypes() const
6413 checkConnectivityFullyDefined();
6414 const int *conn=_nodal_connec->getConstPointer();
6415 const int *connI=_nodal_connec_index->getConstPointer();
6416 const int *work=connI;
6417 int nbOfCells=getNumberOfCells();
6418 std::size_t n=getAllGeoTypes().size();
6419 std::vector<int> ret(3*n,-1); //ret[3*k+2]==-1 because it has no sense here
6420 std::set<INTERP_KERNEL::NormalizedCellType> types;
6421 for(std::size_t i=0;work!=connI+nbOfCells;i++)
6423 INTERP_KERNEL::NormalizedCellType typ=(INTERP_KERNEL::NormalizedCellType)conn[*work];
6424 if(types.find(typ)!=types.end())
6426 std::ostringstream oss; oss << "MEDCouplingUMesh::getDistributionOfTypes : Type " << INTERP_KERNEL::CellModel::GetCellModel(typ).getRepr();
6427 oss << " is not contiguous !";
6428 throw INTERP_KERNEL::Exception(oss.str().c_str());
6432 const int *work2=std::find_if(work+1,connI+nbOfCells,ParaMEDMEMImpl::ConnReader(conn,typ));
6433 ret[3*i+1]=(int)std::distance(work,work2);
6440 * This method is used to check that this has contiguous cell type in same order than described in \a code.
6441 * only for types cell, type node is not managed.
6442 * Format of \a code is the following. \a code should be of size 3*n and non empty. If not an exception is thrown.
6443 * foreach k in [0,n) on 3*k pos represent the geometric type and 3*k+1 number of elements of type 3*k.
6444 * 3*k+2 refers if different from -1 the pos in 'idsPerType' to get the corresponding array.
6445 * If 2 or more same geometric type is in \a code and exception is thrown too.
6447 * This method firstly checks
6448 * If it exists k so that 3*k geometric type is not in geometric types of this an exception will be thrown.
6449 * If it exists k so that 3*k geometric type exists but the number of consecutive cell types does not match,
6450 * an exception is thrown too.
6452 * If all geometric types in \a code are exactly those in \a this null pointer is returned.
6453 * If it exists a geometric type in \a this \b not in \a code \b no exception is thrown
6454 * and a DataArrayInt instance is returned that the user has the responsability to deallocate.
6456 DataArrayInt *MEDCouplingUMesh::checkTypeConsistencyAndContig(const std::vector<int>& code, const std::vector<const DataArrayInt *>& idsPerType) const
6459 throw INTERP_KERNEL::Exception("MEDCouplingUMesh::checkTypeConsistencyAndContig : code is empty, should not !");
6460 std::size_t sz=code.size();
6463 throw INTERP_KERNEL::Exception("MEDCouplingUMesh::checkTypeConsistencyAndContig : code size is NOT %3 !");
6464 std::vector<INTERP_KERNEL::NormalizedCellType> types;
6466 bool isNoPflUsed=true;
6467 for(std::size_t i=0;i<n;i++)
6468 if(std::find(types.begin(),types.end(),(INTERP_KERNEL::NormalizedCellType)code[3*i])==types.end())
6470 types.push_back((INTERP_KERNEL::NormalizedCellType)code[3*i]);
6472 if(_types.find((INTERP_KERNEL::NormalizedCellType)code[3*i])==_types.end())
6473 throw INTERP_KERNEL::Exception("MEDCouplingUMesh::checkTypeConsistencyAndContig : expected geo types not in this !");
6474 isNoPflUsed=isNoPflUsed && (code[3*i+2]==-1);
6477 throw INTERP_KERNEL::Exception("MEDCouplingUMesh::checkTypeConsistencyAndContig : code contains duplication of types in unstructured mesh !");
6480 if(!checkConsecutiveCellTypesAndOrder(&types[0],&types[0]+types.size()))
6481 throw INTERP_KERNEL::Exception("MEDCouplingUMesh::checkTypeConsistencyAndContig : non contiguous type !");
6482 if(types.size()==_types.size())
6485 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> ret=DataArrayInt::New();
6487 int *retPtr=ret->getPointer();
6488 const int *connI=_nodal_connec_index->getConstPointer();
6489 const int *conn=_nodal_connec->getConstPointer();
6490 int nbOfCells=getNumberOfCells();
6493 for(std::vector<INTERP_KERNEL::NormalizedCellType>::const_iterator it=types.begin();it!=types.end();it++,kk++)
6495 i=std::find_if(i,connI+nbOfCells,ParaMEDMEMImpl::ConnReader2(conn,(int)(*it)));
6496 int offset=(int)std::distance(connI,i);
6497 const int *j=std::find_if(i+1,connI+nbOfCells,ParaMEDMEMImpl::ConnReader(conn,(int)(*it)));
6498 int nbOfCellsOfCurType=(int)std::distance(i,j);
6499 if(code[3*kk+2]==-1)
6500 for(int k=0;k<nbOfCellsOfCurType;k++)
6504 int idInIdsPerType=code[3*kk+2];
6505 if(idInIdsPerType>=0 && idInIdsPerType<(int)idsPerType.size())
6507 const DataArrayInt *zePfl=idsPerType[idInIdsPerType];
6510 zePfl->checkAllocated();
6511 if(zePfl->getNumberOfComponents()==1)
6513 for(const int *k=zePfl->begin();k!=zePfl->end();k++,retPtr++)
6515 if(*k>=0 && *k<nbOfCellsOfCurType)
6516 *retPtr=(*k)+offset;
6519 std::ostringstream oss; oss << "MEDCouplingUMesh::checkTypeConsistencyAndContig : the section " << kk << " points to the profile #" << idInIdsPerType;
6520 oss << ", and this profile contains a value " << *k << " should be in [0," << nbOfCellsOfCurType << ") !";
6521 throw INTERP_KERNEL::Exception(oss.str().c_str());
6526 throw INTERP_KERNEL::Exception("MEDCouplingUMesh::checkTypeConsistencyAndContig : presence of a profile with nb of compo != 1 !");
6529 throw INTERP_KERNEL::Exception("MEDCouplingUMesh::checkTypeConsistencyAndContig : presence of null profile !");
6533 std::ostringstream oss; oss << "MEDCouplingUMesh::checkTypeConsistencyAndContig : at section " << kk << " of code it points to the array #" << idInIdsPerType;
6534 oss << " should be in [0," << idsPerType.size() << ") !";
6535 throw INTERP_KERNEL::Exception(oss.str().c_str());
6544 * This method makes the hypothesis that \at this is sorted by type. If not an exception will be thrown.
6545 * This method is the opposite of MEDCouplingUMesh::checkTypeConsistencyAndContig method. Given a list of cells in \a profile it returns a list of sub-profiles sorted by geo type.
6546 * The result is put in the array \a idsPerType. In the returned parameter \a code, foreach i \a code[3*i+2] refers (if different from -1) to a location into the \a idsPerType.
6547 * This method has 1 input \a profile and 3 outputs \a code \a idsInPflPerType and \a idsPerType.
6549 * \param [out] code is a vector of size 3*n where n is the number of different geometric type in \a this \b reduced to the profile \a profile. \a code has exactly the same semantic than in MEDCouplingUMesh::checkTypeConsistencyAndContig method.
6550 * \param [out] idsInPflPerType is a vector of size of different geometric type in the subpart defined by \a profile of \a this ( equal to \a code.size()/3). For each i,
6551 * \a idsInPflPerType[i] stores the tuple ids in \a profile that correspond to the geometric type code[3*i+0]
6552 * \param [out] idsPerType is a vector of size of different sub profiles needed to be defined to represent the profile \a profile for a given geometric type.
6553 * This vector can be empty in case of all geometric type cells are fully covered in ascending in the given input \a profile.
6554 * \throw if \a profile has not exactly one component. It throws too, if \a profile contains some values not in [0,getNumberOfCells()) or if \a this is not fully defined
6556 void MEDCouplingUMesh::splitProfilePerType(const DataArrayInt *profile, std::vector<int>& code, std::vector<DataArrayInt *>& idsInPflPerType, std::vector<DataArrayInt *>& idsPerType) const
6559 throw INTERP_KERNEL::Exception("MEDCouplingUMesh::splitProfilePerType : input profile is NULL !");
6560 if(profile->getNumberOfComponents()!=1)
6561 throw INTERP_KERNEL::Exception("MEDCouplingUMesh::splitProfilePerType : input profile should have exactly one component !");
6562 checkConnectivityFullyDefined();
6563 const int *conn=_nodal_connec->getConstPointer();
6564 const int *connI=_nodal_connec_index->getConstPointer();
6565 int nbOfCells=getNumberOfCells();
6566 std::vector<INTERP_KERNEL::NormalizedCellType> types;
6567 std::vector<int> typeRangeVals(1);
6568 for(const int *i=connI;i!=connI+nbOfCells;)
6570 INTERP_KERNEL::NormalizedCellType curType=(INTERP_KERNEL::NormalizedCellType)conn[*i];
6571 if(std::find(types.begin(),types.end(),curType)!=types.end())
6573 throw INTERP_KERNEL::Exception("MEDCouplingUMesh::splitProfilePerType : current mesh is not sorted by type !");
6575 types.push_back(curType);
6576 i=std::find_if(i+1,connI+nbOfCells,ParaMEDMEMImpl::ConnReader(conn,(int)curType));
6577 typeRangeVals.push_back((int)std::distance(connI,i));
6580 DataArrayInt *castArr=0,*rankInsideCast=0,*castsPresent=0;
6581 profile->splitByValueRange(&typeRangeVals[0],&typeRangeVals[0]+typeRangeVals.size(),castArr,rankInsideCast,castsPresent);
6582 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> tmp0=castArr;
6583 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> tmp1=rankInsideCast;
6584 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> tmp2=castsPresent;
6586 int nbOfCastsFinal=castsPresent->getNumberOfTuples();
6587 code.resize(3*nbOfCastsFinal);
6588 std::vector< MEDCouplingAutoRefCountObjectPtr<DataArrayInt> > idsInPflPerType2;
6589 std::vector< MEDCouplingAutoRefCountObjectPtr<DataArrayInt> > idsPerType2;
6590 for(int i=0;i<nbOfCastsFinal;i++)
6592 int castId=castsPresent->getIJ(i,0);
6593 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> tmp3=castArr->getIdsEqual(castId);
6594 idsInPflPerType2.push_back(tmp3);
6595 code[3*i]=(int)types[castId];
6596 code[3*i+1]=tmp3->getNumberOfTuples();
6597 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> tmp4=rankInsideCast->selectByTupleId(tmp3->getConstPointer(),tmp3->getConstPointer()+tmp3->getNumberOfTuples());
6598 if(tmp4->getNumberOfTuples()!=typeRangeVals[castId+1]-typeRangeVals[castId] || !tmp4->isIdentity())
6600 tmp4->copyStringInfoFrom(*profile);
6601 idsPerType2.push_back(tmp4);
6602 code[3*i+2]=(int)idsPerType2.size()-1;
6609 std::size_t sz2=idsInPflPerType2.size();
6610 idsInPflPerType.resize(sz2);
6611 for(std::size_t i=0;i<sz2;i++)
6613 DataArrayInt *locDa=idsInPflPerType2[i];
6615 idsInPflPerType[i]=locDa;
6617 std::size_t sz=idsPerType2.size();
6618 idsPerType.resize(sz);
6619 for(std::size_t i=0;i<sz;i++)
6621 DataArrayInt *locDa=idsPerType2[i];
6623 idsPerType[i]=locDa;
6628 * This method is here too emulate the MEDMEM behaviour on BDC (buildDescendingConnectivity). Hoping this method becomes deprecated very soon.
6629 * This method make the assumption that \a this and 'nM1LevMesh' mesh lyies on same coords (same pointer) as MED and MEDMEM does.
6630 * The following equality should be verified 'nM1LevMesh->getMeshDimension()==this->getMeshDimension()-1'
6631 * This method returns 5+2 elements. 'desc', 'descIndx', 'revDesc', 'revDescIndx' and 'meshnM1' behaves exactly as ParaMEDMEM::MEDCouplingUMesh::buildDescendingConnectivity except the content as described after. The returned array specifies the n-1 mesh reordered by type as MEDMEM does. 'nM1LevMeshIds' contains the ids in returned 'meshnM1'. Finally 'meshnM1Old2New' contains numbering old2new that is to say the cell #k in coarse 'nM1LevMesh' will have the number ret[k] in returned mesh 'nM1LevMesh' MEDMEM reordered.
6633 MEDCouplingUMesh *MEDCouplingUMesh::emulateMEDMEMBDC(const MEDCouplingUMesh *nM1LevMesh, DataArrayInt *desc, DataArrayInt *descIndx, DataArrayInt *&revDesc, DataArrayInt *&revDescIndx, DataArrayInt *& nM1LevMeshIds, DataArrayInt *&meshnM1Old2New) const
6635 checkFullyDefined();
6636 nM1LevMesh->checkFullyDefined();
6637 if(getMeshDimension()-1!=nM1LevMesh->getMeshDimension())
6638 throw INTERP_KERNEL::Exception("MEDCouplingUMesh::emulateMEDMEMBDC : The mesh passed as first argument should have a meshDim equal to this->getMeshDimension()-1 !" );
6639 if(_coords!=nM1LevMesh->getCoords())
6640 throw INTERP_KERNEL::Exception("MEDCouplingUMesh::emulateMEDMEMBDC : 'this' and mesh in first argument should share the same coords : Use tryToShareSameCoords method !");
6641 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> tmp0=DataArrayInt::New();
6642 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> tmp1=DataArrayInt::New();
6643 MEDCouplingAutoRefCountObjectPtr<MEDCouplingUMesh> ret1=buildDescendingConnectivity(desc,descIndx,tmp0,tmp1);
6644 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> ret0=ret1->sortCellsInMEDFileFrmt();
6645 desc->transformWithIndArr(ret0->getConstPointer(),ret0->getConstPointer()+ret0->getNbOfElems());
6646 MEDCouplingAutoRefCountObjectPtr<MEDCouplingUMesh> tmp=MEDCouplingUMesh::New();
6647 tmp->setConnectivity(tmp0,tmp1);
6648 tmp->renumberCells(ret0->getConstPointer(),false);
6649 revDesc=tmp->getNodalConnectivity();
6650 revDescIndx=tmp->getNodalConnectivityIndex();
6651 DataArrayInt *ret=0;
6652 if(!ret1->areCellsIncludedIn(nM1LevMesh,2,ret))
6655 ret->getMaxValue(tmp2);
6657 std::ostringstream oss; oss << "MEDCouplingUMesh::emulateMEDMEMBDC : input N-1 mesh present a cell not in descending mesh ... Id of cell is " << tmp2 << " !";
6658 throw INTERP_KERNEL::Exception(oss.str().c_str());
6663 revDescIndx->incrRef();
6666 meshnM1Old2New=ret0;
6671 * Permutes the nodal connectivity arrays so that the cells are sorted by type, which is
6672 * necessary for writing the mesh to MED file. Additionally returns a permutation array
6673 * in "Old to New" mode.
6674 * \return DataArrayInt * - a new instance of DataArrayInt. The caller is to delete
6675 * this array using decrRef() as it is no more needed.
6676 * \throw If the nodal connectivity of cells is not defined.
6678 DataArrayInt *MEDCouplingUMesh::sortCellsInMEDFileFrmt()
6680 checkConnectivityFullyDefined();
6681 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> ret=getRenumArrForMEDFileFrmt();
6682 renumberCells(ret->getConstPointer(),false);
6687 * This methods checks that cells are sorted by their types.
6688 * This method makes asumption (no check) that connectivity is correctly set before calling.
6690 bool MEDCouplingUMesh::checkConsecutiveCellTypes() const
6692 checkFullyDefined();
6693 const int *conn=_nodal_connec->getConstPointer();
6694 const int *connI=_nodal_connec_index->getConstPointer();
6695 int nbOfCells=getNumberOfCells();
6696 std::set<INTERP_KERNEL::NormalizedCellType> types;
6697 for(const int *i=connI;i!=connI+nbOfCells;)
6699 INTERP_KERNEL::NormalizedCellType curType=(INTERP_KERNEL::NormalizedCellType)conn[*i];
6700 if(types.find(curType)!=types.end())
6702 types.insert(curType);
6703 i=std::find_if(i+1,connI+nbOfCells,ParaMEDMEMImpl::ConnReader(conn,(int)curType));
6709 * This method is a specialization of MEDCouplingUMesh::checkConsecutiveCellTypesAndOrder method that is called here.
6710 * The geometric type order is specified by MED file.
6712 * \sa MEDCouplingUMesh::checkConsecutiveCellTypesAndOrder
6714 bool MEDCouplingUMesh::checkConsecutiveCellTypesForMEDFileFrmt() const
6716 return checkConsecutiveCellTypesAndOrder(MEDMEM_ORDER,MEDMEM_ORDER+N_MEDMEM_ORDER);
6720 * This method performs the same job as checkConsecutiveCellTypes except that the order of types sequence is analyzed to check
6721 * that the order is specified in array defined by [ \a orderBg , \a orderEnd ).
6722 * If there is some geo types in \a this \b NOT in [ \a orderBg, \a orderEnd ) it is OK (return true) if contiguous.
6723 * If there is some geo types in [ \a orderBg, \a orderEnd ) \b NOT in \a this it is OK too (return true) if contiguous.
6725 bool MEDCouplingUMesh::checkConsecutiveCellTypesAndOrder(const INTERP_KERNEL::NormalizedCellType *orderBg, const INTERP_KERNEL::NormalizedCellType *orderEnd) const
6727 checkFullyDefined();
6728 const int *conn=_nodal_connec->getConstPointer();
6729 const int *connI=_nodal_connec_index->getConstPointer();
6730 int nbOfCells=getNumberOfCells();
6734 std::set<INTERP_KERNEL::NormalizedCellType> sg;
6735 for(const int *i=connI;i!=connI+nbOfCells;)
6737 INTERP_KERNEL::NormalizedCellType curType=(INTERP_KERNEL::NormalizedCellType)conn[*i];
6738 const INTERP_KERNEL::NormalizedCellType *isTypeExists=std::find(orderBg,orderEnd,curType);
6739 if(isTypeExists!=orderEnd)
6741 int pos=(int)std::distance(orderBg,isTypeExists);
6745 i=std::find_if(i+1,connI+nbOfCells,ParaMEDMEMImpl::ConnReader(conn,(int)curType));
6749 if(sg.find(curType)==sg.end())
6751 i=std::find_if(i+1,connI+nbOfCells,ParaMEDMEMImpl::ConnReader(conn,(int)curType));
6762 * This method returns 2 newly allocated DataArrayInt instances. The first is an array of size 'this->getNumberOfCells()' with one component,
6763 * that tells for each cell the pos of its type in the array on type given in input parameter. The 2nd output parameter is an array with the same
6764 * number of tuples than input type array and with one component. This 2nd output array gives type by type the number of occurence of type in 'this'.
6766 DataArrayInt *MEDCouplingUMesh::getLevArrPerCellTypes(const INTERP_KERNEL::NormalizedCellType *orderBg, const INTERP_KERNEL::NormalizedCellType *orderEnd, DataArrayInt *&nbPerType) const
6768 checkConnectivityFullyDefined();
6769 int nbOfCells=getNumberOfCells();
6770 const int *conn=_nodal_connec->getConstPointer();
6771 const int *connI=_nodal_connec_index->getConstPointer();
6772 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> tmpa=DataArrayInt::New();
6773 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> tmpb=DataArrayInt::New();
6774 tmpa->alloc(nbOfCells,1);
6775 tmpb->alloc((int)std::distance(orderBg,orderEnd),1);
6776 tmpb->fillWithZero();
6777 int *tmp=tmpa->getPointer();
6778 int *tmp2=tmpb->getPointer();
6779 for(const int *i=connI;i!=connI+nbOfCells;i++)
6781 const INTERP_KERNEL::NormalizedCellType *where=std::find(orderBg,orderEnd,(INTERP_KERNEL::NormalizedCellType)conn[*i]);
6784 int pos=(int)std::distance(orderBg,where);
6786 tmp[std::distance(connI,i)]=pos;
6790 const INTERP_KERNEL::CellModel& cm=INTERP_KERNEL::CellModel::GetCellModel((INTERP_KERNEL::NormalizedCellType)conn[*i]);
6791 std::ostringstream oss; oss << "MEDCouplingUMesh::getLevArrPerCellTypes : Cell #" << std::distance(connI,i);
6792 oss << " has a type " << cm.getRepr() << " not in input array of type !";
6793 throw INTERP_KERNEL::Exception(oss.str().c_str());
6796 nbPerType=tmpb.retn();
6801 * This method behaves exactly as MEDCouplingUMesh::getRenumArrForConsecutiveCellTypesSpec but the order is those defined in MED file spec.
6803 * \return a new object containing the old to new correspondance.
6805 * \sa MEDCouplingUMesh::getRenumArrForConsecutiveCellTypesSpec, MEDCouplingUMesh::sortCellsInMEDFileFrmt.
6807 DataArrayInt *MEDCouplingUMesh::getRenumArrForMEDFileFrmt() const
6809 return getRenumArrForConsecutiveCellTypesSpec(MEDMEM_ORDER,MEDMEM_ORDER+N_MEDMEM_ORDER);
6813 * This method is similar to method MEDCouplingUMesh::rearrange2ConsecutiveCellTypes except that the type order is specfied by [ \a orderBg , \a orderEnd ) (as MEDCouplingUMesh::checkConsecutiveCellTypesAndOrder method) and that this method is \b const and performs \b NO permutation in \a this.
6814 * This method returns an array of size getNumberOfCells() that gives a renumber array old2New that can be used as input of MEDCouplingMesh::renumberCells.
6815 * The mesh after this call to MEDCouplingMesh::renumberCells will pass the test of MEDCouplingUMesh::checkConsecutiveCellTypesAndOrder with the same inputs.
6816 * The returned array minimizes the permutations that is to say the order of cells inside same geometric type remains the same.
6818 DataArrayInt *MEDCouplingUMesh::getRenumArrForConsecutiveCellTypesSpec(const INTERP_KERNEL::NormalizedCellType *orderBg, const INTERP_KERNEL::NormalizedCellType *orderEnd) const
6820 DataArrayInt *nbPerType=0;
6821 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> tmpa=getLevArrPerCellTypes(orderBg,orderEnd,nbPerType);
6822 nbPerType->decrRef();
6823 return tmpa->buildPermArrPerLevel();
6827 * This method reorganize the cells of \a this so that the cells with same geometric types are put together.
6828 * The number of cells remains unchanged after the call of this method.
6829 * This method tries to minimizes the number of needed permutations. So, this method behaves not exactly as
6830 * MEDCouplingUMesh::sortCellsInMEDFileFrmt.
6832 * \return the array giving the correspondance old to new.
6834 DataArrayInt *MEDCouplingUMesh::rearrange2ConsecutiveCellTypes()
6836 checkFullyDefined();
6838 const int *conn=_nodal_connec->getConstPointer();
6839 const int *connI=_nodal_connec_index->getConstPointer();
6840 int nbOfCells=getNumberOfCells();
6841 std::vector<INTERP_KERNEL::NormalizedCellType> types;
6842 for(const int *i=connI;i!=connI+nbOfCells && (types.size()!=_types.size());)
6843 if(std::find(types.begin(),types.end(),(INTERP_KERNEL::NormalizedCellType)conn[*i])==types.end())
6845 INTERP_KERNEL::NormalizedCellType curType=(INTERP_KERNEL::NormalizedCellType)conn[*i];
6846 types.push_back(curType);
6847 for(i++;i!=connI+nbOfCells && (INTERP_KERNEL::NormalizedCellType)conn[*i]==curType;i++);
6849 DataArrayInt *ret=DataArrayInt::New();
6850 ret->alloc(nbOfCells,1);
6851 int *retPtr=ret->getPointer();
6852 std::fill(retPtr,retPtr+nbOfCells,-1);
6854 for(std::vector<INTERP_KERNEL::NormalizedCellType>::const_iterator iter=types.begin();iter!=types.end();iter++)
6856 for(const int *i=connI;i!=connI+nbOfCells;i++)
6857 if((INTERP_KERNEL::NormalizedCellType)conn[*i]==(*iter))
6858 retPtr[std::distance(connI,i)]=newCellId++;
6860 renumberCells(retPtr,false);
6865 * This method splits \a this into as mush as untructured meshes that consecutive set of same type cells.
6866 * So this method has typically a sense if MEDCouplingUMesh::checkConsecutiveCellTypes has a sense.
6867 * This method makes asumption that connectivity is correctly set before calling.
6869 std::vector<MEDCouplingUMesh *> MEDCouplingUMesh::splitByType() const
6871 checkConnectivityFullyDefined();
6872 const int *conn=_nodal_connec->getConstPointer();
6873 const int *connI=_nodal_connec_index->getConstPointer();
6874 int nbOfCells=getNumberOfCells();
6875 std::vector<MEDCouplingUMesh *> ret;
6876 for(const int *i=connI;i!=connI+nbOfCells;)
6878 INTERP_KERNEL::NormalizedCellType curType=(INTERP_KERNEL::NormalizedCellType)conn[*i];
6879 int beginCellId=(int)std::distance(connI,i);
6880 i=std::find_if(i+1,connI+nbOfCells,ParaMEDMEMImpl::ConnReader(conn,(int)curType));
6881 int endCellId=(int)std::distance(connI,i);
6882 int sz=endCellId-beginCellId;
6883 int *cells=new int[sz];
6884 for(int j=0;j<sz;j++)
6885 cells[j]=beginCellId+j;
6886 MEDCouplingUMesh *m=(MEDCouplingUMesh *)buildPartOfMySelf(cells,cells+sz,true);
6894 * This method performs the opposite operation than those in MEDCoupling1SGTUMesh::buildUnstructured.
6895 * If \a this is a single geometric type unstructured mesh, it will be converted into a more compact data structure,
6896 * MEDCoupling1GTUMesh instance. The returned instance will aggregate the same DataArrayDouble instance of coordinates than \a this.
6898 * \return a newly allocated instance, that the caller must manage.
6899 * \throw If \a this contains more than one geometric type.
6900 * \throw If the nodal connectivity of \a this is not fully defined.
6901 * \throw If the internal data is not coherent.
6903 MEDCoupling1GTUMesh *MEDCouplingUMesh::convertIntoSingleGeoTypeMesh() const
6905 checkConnectivityFullyDefined();
6906 if(_types.size()!=1)
6907 throw INTERP_KERNEL::Exception("MEDCouplingUMesh::convertIntoSingleGeoTypeMesh : current mesh does not contain exactly one geometric type !");
6908 INTERP_KERNEL::NormalizedCellType typ=*_types.begin();
6909 MEDCouplingAutoRefCountObjectPtr<MEDCoupling1GTUMesh> ret=MEDCoupling1GTUMesh::New(getName().c_str(),typ);
6910 ret->setCoords(getCoords());
6911 MEDCoupling1SGTUMesh *retC=dynamic_cast<MEDCoupling1SGTUMesh *>((MEDCoupling1GTUMesh*)ret);
6914 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> c=convertNodalConnectivityToStaticGeoTypeMesh();
6915 retC->setNodalConnectivity(c);
6919 MEDCoupling1DGTUMesh *retD=dynamic_cast<MEDCoupling1DGTUMesh *>((MEDCoupling1GTUMesh*)ret);
6921 throw INTERP_KERNEL::Exception("MEDCouplingUMesh::convertIntoSingleGeoTypeMesh : Internal error !");
6922 DataArrayInt *c=0,*ci=0;
6923 convertNodalConnectivityToDynamicGeoTypeMesh(c,ci);
6924 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> cs(c),cis(ci);
6925 retD->setNodalConnectivity(cs,cis);
6930 DataArrayInt *MEDCouplingUMesh::convertNodalConnectivityToStaticGeoTypeMesh() const
6932 checkConnectivityFullyDefined();
6933 if(_types.size()!=1)
6934 throw INTERP_KERNEL::Exception("MEDCouplingUMesh::convertNodalConnectivityToStaticGeoTypeMesh : current mesh does not contain exactly one geometric type !");
6935 INTERP_KERNEL::NormalizedCellType typ=*_types.begin();
6936 const INTERP_KERNEL::CellModel& cm=INTERP_KERNEL::CellModel::GetCellModel(typ);
6939 std::ostringstream oss; oss << "MEDCouplingUMesh::convertNodalConnectivityToStaticGeoTypeMesh : this contains a single geo type (" << cm.getRepr() << ") but ";
6940 oss << "this type is dynamic ! Only static geometric type is possible for that type ! call convertNodalConnectivityToDynamicGeoTypeMesh instead !";
6941 throw INTERP_KERNEL::Exception(oss.str().c_str());
6943 int nbCells=getNumberOfCells();
6945 int nbNodesPerCell=(int)cm.getNumberOfNodes();
6946 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> connOut=DataArrayInt::New(); connOut->alloc(nbCells*nbNodesPerCell,1);
6947 int *outPtr=connOut->getPointer();
6948 const int *conn=_nodal_connec->begin();
6949 const int *connI=_nodal_connec_index->begin();
6951 for(int i=0;i<nbCells;i++,connI++)
6953 if(conn[connI[0]]==typi && connI[1]-connI[0]==nbNodesPerCell)
6954 outPtr=std::copy(conn+connI[0]+1,conn+connI[1],outPtr);
6957 std::ostringstream oss; oss << "MEDCouplingUMesh::convertNodalConnectivityToStaticGeoTypeMesh : there something wrong in cell #" << i << " ! The type of cell is not those expected, or the length of nodal connectivity is not those expected (" << nbNodesPerCell-1 << ") !";
6958 throw INTERP_KERNEL::Exception(oss.str().c_str());
6961 return connOut.retn();
6964 void MEDCouplingUMesh::convertNodalConnectivityToDynamicGeoTypeMesh(DataArrayInt *&nodalConn, DataArrayInt *&nodalConnIndex) const
6966 static const char msg0[]="MEDCouplingUMesh::convertNodalConnectivityToDynamicGeoTypeMesh : nodal connectivity in this are invalid ! Call checkCoherency2 !";
6967 checkConnectivityFullyDefined();
6968 if(_types.size()!=1)
6969 throw INTERP_KERNEL::Exception("MEDCouplingUMesh::convertNodalConnectivityToDynamicGeoTypeMesh : current mesh does not contain exactly one geometric type !");
6970 int nbCells=getNumberOfCells(),lgth=_nodal_connec->getNumberOfTuples();
6972 throw INTERP_KERNEL::Exception(msg0);
6973 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> c(DataArrayInt::New()),ci(DataArrayInt::New());
6974 c->alloc(lgth-nbCells,1); ci->alloc(nbCells+1,1);
6975 int *cp(c->getPointer()),*cip(ci->getPointer());
6976 const int *incp(_nodal_connec->begin()),*incip(_nodal_connec_index->begin());
6978 for(int i=0;i<nbCells;i++,cip++,incip++)
6980 int strt(incip[0]+1),stop(incip[1]);//+1 to skip geo type
6981 int delta(stop-strt);
6984 if((strt>=0 && strt<lgth) && (stop>=0 && stop<=lgth))
6985 cp=std::copy(incp+strt,incp+stop,cp);
6987 throw INTERP_KERNEL::Exception(msg0);
6990 throw INTERP_KERNEL::Exception(msg0);
6991 cip[1]=cip[0]+delta;
6993 nodalConn=c.retn(); nodalConnIndex=ci.retn();
6997 * This method takes in input a vector of MEDCouplingUMesh instances lying on the same coordinates with same mesh dimensions.
6998 * Each mesh in \b ms must be sorted by type with the same order (typically using MEDCouplingUMesh::sortCellsInMEDFileFrmt).
6999 * This method is particulary useful for MED file interaction. It allows to aggregate several meshes and keeping the type sorting
7000 * and the track of the permutation by chunk of same geotype cells to retrieve it. The traditional formats old2new and new2old
7001 * are not used here to avoid the build of big permutation array.
7003 * \param [in] ms meshes with same mesh dimension lying on the same coords and sorted by type following de the same geometric type order than
7004 * those specified in MEDCouplingUMesh::sortCellsInMEDFileFrmt method.
7005 * \param [out] szOfCellGrpOfSameType is a newly allocated DataArrayInt instance whose number of tuples is equal to the number of chunks of same geotype
7006 * in all meshes in \b ms. The accumulation of all values of this array is equal to the number of cells of returned mesh.
7007 * \param [out] idInMsOfCellGrpOfSameType is a newly allocated DataArrayInt instance having the same size than \b szOfCellGrpOfSameType. This
7008 * output array gives for each chunck of same type the corresponding mesh id in \b ms.
7009 * \return A newly allocated unstructured mesh that is the result of the aggregation on same coords of all meshes in \b ms. This returned mesh
7010 * is sorted by type following the geo cell types order of MEDCouplingUMesh::sortCellsInMEDFileFrmt method.
7012 MEDCouplingUMesh *MEDCouplingUMesh::AggregateSortedByTypeMeshesOnSameCoords(const std::vector<const MEDCouplingUMesh *>& ms,
7013 DataArrayInt *&szOfCellGrpOfSameType,
7014 DataArrayInt *&idInMsOfCellGrpOfSameType) throw(INTERP_KERNEL::Exception)
7016 std::vector<const MEDCouplingUMesh *> ms2;
7017 for(std::vector<const MEDCouplingUMesh *>::const_iterator it=ms.begin();it!=ms.end();it++)
7020 (*it)->checkConnectivityFullyDefined();
7024 throw INTERP_KERNEL::Exception("MEDCouplingUMesh::AggregateSortedByTypeMeshesOnSameCoords : input vector is empty !");
7025 const DataArrayDouble *refCoo=ms2[0]->getCoords();
7026 int meshDim=ms2[0]->getMeshDimension();
7027 std::vector<const MEDCouplingUMesh *> m1ssm;
7028 std::vector< MEDCouplingAutoRefCountObjectPtr<MEDCouplingUMesh> > m1ssmAuto;
7030 std::vector<const MEDCouplingUMesh *> m1ssmSingle;
7031 std::vector< MEDCouplingAutoRefCountObjectPtr<MEDCouplingUMesh> > m1ssmSingleAuto;
7033 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> ret1(DataArrayInt::New()),ret2(DataArrayInt::New());
7034 ret1->alloc(0,1); ret2->alloc(0,1);
7035 for(std::vector<const MEDCouplingUMesh *>::const_iterator it=ms2.begin();it!=ms2.end();it++,rk++)
7037 if(meshDim!=(*it)->getMeshDimension())
7038 throw INTERP_KERNEL::Exception("MEDCouplingUMesh::AggregateSortedByTypeMeshesOnSameCoords : meshdims mismatch !");
7039 if(refCoo!=(*it)->getCoords())
7040 throw INTERP_KERNEL::Exception("MEDCouplingUMesh::AggregateSortedByTypeMeshesOnSameCoords : meshes are not shared by a single coordinates coords !");
7041 std::vector<MEDCouplingUMesh *> sp=(*it)->splitByType();
7042 std::copy(sp.begin(),sp.end(),std::back_insert_iterator< std::vector<const MEDCouplingUMesh *> >(m1ssm));
7043 std::copy(sp.begin(),sp.end(),std::back_insert_iterator< std::vector<MEDCouplingAutoRefCountObjectPtr<MEDCouplingUMesh> > >(m1ssmAuto));
7044 for(std::vector<MEDCouplingUMesh *>::const_iterator it2=sp.begin();it2!=sp.end();it2++)
7046 MEDCouplingUMesh *singleCell=static_cast<MEDCouplingUMesh *>((*it2)->buildPartOfMySelf(&fake,&fake+1,true));
7047 m1ssmSingleAuto.push_back(singleCell);
7048 m1ssmSingle.push_back(singleCell);
7049 ret1->pushBackSilent((*it2)->getNumberOfCells()); ret2->pushBackSilent(rk);
7052 MEDCouplingAutoRefCountObjectPtr<MEDCouplingUMesh> m1ssmSingle2=MEDCouplingUMesh::MergeUMeshesOnSameCoords(m1ssmSingle);
7053 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> renum=m1ssmSingle2->sortCellsInMEDFileFrmt();
7054 std::vector<const MEDCouplingUMesh *> m1ssmfinal(m1ssm.size());
7055 for(std::size_t i=0;i<m1ssm.size();i++)
7056 m1ssmfinal[renum->getIJ(i,0)]=m1ssm[i];
7057 MEDCouplingAutoRefCountObjectPtr<MEDCouplingUMesh> ret0=MEDCouplingUMesh::MergeUMeshesOnSameCoords(m1ssmfinal);
7058 szOfCellGrpOfSameType=ret1->renumber(renum->getConstPointer());
7059 idInMsOfCellGrpOfSameType=ret2->renumber(renum->getConstPointer());
7064 * This method returns a newly created DataArrayInt instance.
7065 * This method retrieves cell ids in [ \a begin, \a end ) that have the type \a type.
7067 DataArrayInt *MEDCouplingUMesh::keepCellIdsByType(INTERP_KERNEL::NormalizedCellType type, const int *begin, const int *end) const
7069 checkFullyDefined();
7070 const int *conn=_nodal_connec->getConstPointer();
7071 const int *connIndex=_nodal_connec_index->getConstPointer();
7072 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> ret(DataArrayInt::New()); ret->alloc(0,1);
7073 for(const int *w=begin;w!=end;w++)
7074 if((INTERP_KERNEL::NormalizedCellType)conn[connIndex[*w]]==type)
7075 ret->pushBackSilent(*w);
7080 * This method makes the assumption that da->getNumberOfTuples()<this->getNumberOfCells(). This method makes the assumption that ids contained in 'da'
7081 * are in [0:getNumberOfCells())
7083 DataArrayInt *MEDCouplingUMesh::convertCellArrayPerGeoType(const DataArrayInt *da) const
7085 checkFullyDefined();
7086 const int *conn=_nodal_connec->getConstPointer();
7087 const int *connI=_nodal_connec_index->getConstPointer();
7088 int nbOfCells=getNumberOfCells();
7089 std::set<INTERP_KERNEL::NormalizedCellType> types(getAllGeoTypes());
7090 int *tmp=new int[nbOfCells];
7091 for(std::set<INTERP_KERNEL::NormalizedCellType>::const_iterator iter=types.begin();iter!=types.end();iter++)
7094 for(const int *i=connI;i!=connI+nbOfCells;i++)
7095 if((INTERP_KERNEL::NormalizedCellType)conn[*i]==(*iter))
7096 tmp[std::distance(connI,i)]=j++;
7098 DataArrayInt *ret=DataArrayInt::New();
7099 ret->alloc(da->getNumberOfTuples(),da->getNumberOfComponents());
7100 ret->copyStringInfoFrom(*da);
7101 int *retPtr=ret->getPointer();
7102 const int *daPtr=da->getConstPointer();
7103 int nbOfElems=da->getNbOfElems();
7104 for(int k=0;k<nbOfElems;k++)
7105 retPtr[k]=tmp[daPtr[k]];
7111 * This method reduced number of cells of this by keeping cells whose type is different from 'type' and if type=='type'
7112 * This method \b works \b for mesh sorted by type.
7113 * cells whose ids is in 'idsPerGeoType' array.
7114 * This method conserves coords and name of mesh.
7116 MEDCouplingUMesh *MEDCouplingUMesh::keepSpecifiedCells(INTERP_KERNEL::NormalizedCellType type, const int *idsPerGeoTypeBg, const int *idsPerGeoTypeEnd) const
7118 std::vector<int> code=getDistributionOfTypes();
7119 std::size_t nOfTypesInThis=code.size()/3;
7120 int sz=0,szOfType=0;
7121 for(std::size_t i=0;i<nOfTypesInThis;i++)
7126 szOfType=code[3*i+1];
7128 for(const int *work=idsPerGeoTypeBg;work!=idsPerGeoTypeEnd;work++)
7129 if(*work<0 || *work>=szOfType)
7131 std::ostringstream oss; oss << "MEDCouplingUMesh::keepSpecifiedCells : Request on type " << type << " at place #" << std::distance(idsPerGeoTypeBg,work) << " value " << *work;
7132 oss << ". It should be in [0," << szOfType << ") !";
7133 throw INTERP_KERNEL::Exception(oss.str().c_str());
7135 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> idsTokeep=DataArrayInt::New(); idsTokeep->alloc(sz+(int)std::distance(idsPerGeoTypeBg,idsPerGeoTypeEnd),1);
7136 int *idsPtr=idsTokeep->getPointer();
7138 for(std::size_t i=0;i<nOfTypesInThis;i++)
7141 for(int j=0;j<code[3*i+1];j++)
7144 idsPtr=std::transform(idsPerGeoTypeBg,idsPerGeoTypeEnd,idsPtr,std::bind2nd(std::plus<int>(),offset));
7145 offset+=code[3*i+1];
7147 MEDCouplingAutoRefCountObjectPtr<MEDCouplingUMesh> ret=static_cast<MEDCouplingUMesh *>(buildPartOfMySelf(idsTokeep->begin(),idsTokeep->end(),true));
7148 ret->copyTinyInfoFrom(this);
7153 * This method returns a vector of size 'this->getNumberOfCells()'.
7154 * This method retrieves for each cell in \a this if it is linear (false) or quadratic(true).
7156 std::vector<bool> MEDCouplingUMesh::getQuadraticStatus() const
7158 int ncell=getNumberOfCells();
7159 std::vector<bool> ret(ncell);
7160 const int *cI=getNodalConnectivityIndex()->getConstPointer();
7161 const int *c=getNodalConnectivity()->getConstPointer();
7162 for(int i=0;i<ncell;i++)
7164 INTERP_KERNEL::NormalizedCellType typ=(INTERP_KERNEL::NormalizedCellType)c[cI[i]];
7165 const INTERP_KERNEL::CellModel& cm=INTERP_KERNEL::CellModel::GetCellModel(typ);
7166 ret[i]=cm.isQuadratic();
7172 * Returns a newly created mesh (with ref count ==1) that contains merge of \a this and \a other.
7174 MEDCouplingMesh *MEDCouplingUMesh::mergeMyselfWith(const MEDCouplingMesh *other) const
7176 if(other->getType()!=UNSTRUCTURED)
7177 throw INTERP_KERNEL::Exception("Merge of umesh only available with umesh each other !");
7178 const MEDCouplingUMesh *otherC=static_cast<const MEDCouplingUMesh *>(other);
7179 return MergeUMeshes(this,otherC);
7183 * Returns a new DataArrayDouble holding barycenters of all cells. The barycenter is
7184 * computed by averaging coordinates of cell nodes, so this method is not a right
7185 * choice for degnerated meshes (not well oriented, cells with measure close to zero).
7186 * \return DataArrayDouble * - a new instance of DataArrayDouble, of size \a
7187 * this->getNumberOfCells() tuples per \a this->getSpaceDimension()
7188 * components. The caller is to delete this array using decrRef() as it is
7190 * \throw If the coordinates array is not set.
7191 * \throw If the nodal connectivity of cells is not defined.
7192 * \sa MEDCouplingUMesh::computeIsoBarycenterOfNodesPerCell
7194 DataArrayDouble *MEDCouplingUMesh::getBarycenterAndOwner() const
7196 MEDCouplingAutoRefCountObjectPtr<DataArrayDouble> ret=DataArrayDouble::New();
7197 int spaceDim=getSpaceDimension();
7198 int nbOfCells=getNumberOfCells();
7199 ret->alloc(nbOfCells,spaceDim);
7200 ret->copyStringInfoFrom(*getCoords());
7201 double *ptToFill=ret->getPointer();
7202 const int *nodal=_nodal_connec->getConstPointer();
7203 const int *nodalI=_nodal_connec_index->getConstPointer();
7204 const double *coor=_coords->getConstPointer();
7205 for(int i=0;i<nbOfCells;i++)
7207 INTERP_KERNEL::NormalizedCellType type=(INTERP_KERNEL::NormalizedCellType)nodal[nodalI[i]];
7208 INTERP_KERNEL::computeBarycenter2<int,INTERP_KERNEL::ALL_C_MODE>(type,nodal+nodalI[i]+1,nodalI[i+1]-nodalI[i]-1,coor,spaceDim,ptToFill);
7215 * This method computes for each cell in \a this, the location of the iso barycenter of nodes constituting
7216 * the cell. Contrary to badly named MEDCouplingUMesh::getBarycenterAndOwner method that returns the center of inertia of the
7218 * \return a newly allocated DataArrayDouble instance that the caller has to deal with. The returned
7219 * DataArrayDouble instance will have \c this->getNumberOfCells() tuples and \c this->getSpaceDimension() components.
7221 * \sa MEDCouplingUMesh::getBarycenterAndOwner
7222 * \throw If \a this is not fully defined (coordinates and connectivity)
7223 * \throw If there is presence in nodal connectivity in \a this of node ids not in [0, \c this->getNumberOfNodes() )
7225 DataArrayDouble *MEDCouplingUMesh::computeIsoBarycenterOfNodesPerCell() const
7227 checkFullyDefined();
7228 MEDCouplingAutoRefCountObjectPtr<DataArrayDouble> ret=DataArrayDouble::New();
7229 int spaceDim=getSpaceDimension();
7230 int nbOfCells=getNumberOfCells();
7231 int nbOfNodes=getNumberOfNodes();
7232 ret->alloc(nbOfCells,spaceDim);
7233 double *ptToFill=ret->getPointer();
7234 const int *nodal=_nodal_connec->getConstPointer();
7235 const int *nodalI=_nodal_connec_index->getConstPointer();
7236 const double *coor=_coords->getConstPointer();
7237 for(int i=0;i<nbOfCells;i++,ptToFill+=spaceDim)
7239 INTERP_KERNEL::NormalizedCellType type=(INTERP_KERNEL::NormalizedCellType)nodal[nodalI[i]];
7240 std::fill(ptToFill,ptToFill+spaceDim,0.);
7241 if(type!=INTERP_KERNEL::NORM_POLYHED)
7243 for(const int *conn=nodal+nodalI[i]+1;conn!=nodal+nodalI[i+1];conn++)
7245 if(*conn>=0 && *conn<nbOfNodes)
7246 std::transform(coor+spaceDim*conn[0],coor+spaceDim*(conn[0]+1),ptToFill,ptToFill,std::plus<double>());
7249 std::ostringstream oss; oss << "MEDCouplingUMesh::computeIsoBarycenterOfNodesPerCell : on cell #" << i << " presence of nodeId #" << *conn << " should be in [0," << nbOfNodes << ") !";
7250 throw INTERP_KERNEL::Exception(oss.str().c_str());
7253 int nbOfNodesInCell=nodalI[i+1]-nodalI[i]-1;
7254 if(nbOfNodesInCell>0)
7255 std::transform(ptToFill,ptToFill+spaceDim,ptToFill,std::bind2nd(std::multiplies<double>(),1./(double)nbOfNodesInCell));
7258 std::ostringstream oss; oss << "MEDCouplingUMesh::computeIsoBarycenterOfNodesPerCell : on cell #" << i << " presence of cell with no nodes !";
7259 throw INTERP_KERNEL::Exception(oss.str().c_str());
7264 std::set<int> s(nodal+nodalI[i]+1,nodal+nodalI[i+1]);
7266 for(std::set<int>::const_iterator it=s.begin();it!=s.end();it++)
7268 if(*it>=0 && *it<nbOfNodes)
7269 std::transform(coor+spaceDim*(*it),coor+spaceDim*((*it)+1),ptToFill,ptToFill,std::plus<double>());
7272 std::ostringstream oss; oss << "MEDCouplingUMesh::computeIsoBarycenterOfNodesPerCell : on cell polyhedron cell #" << i << " presence of nodeId #" << *it << " should be in [0," << nbOfNodes << ") !";
7273 throw INTERP_KERNEL::Exception(oss.str().c_str());
7277 std::transform(ptToFill,ptToFill+spaceDim,ptToFill,std::bind2nd(std::multiplies<double>(),1./(double)s.size()));
7280 std::ostringstream oss; oss << "MEDCouplingUMesh::computeIsoBarycenterOfNodesPerCell : on polyhedron cell #" << i << " there are no nodes !";
7281 throw INTERP_KERNEL::Exception(oss.str().c_str());
7289 * Returns a new DataArrayDouble holding barycenters of specified cells. The
7290 * barycenter is computed by averaging coordinates of cell nodes. The cells to treat
7291 * are specified via an array of cell ids.
7292 * \warning Validity of the specified cell ids is not checked!
7293 * Valid range is [ 0, \a this->getNumberOfCells() ).
7294 * \param [in] begin - an array of cell ids of interest.
7295 * \param [in] end - the end of \a begin, i.e. a pointer to its (last+1)-th element.
7296 * \return DataArrayDouble * - a new instance of DataArrayDouble, of size ( \a
7297 * end - \a begin ) tuples per \a this->getSpaceDimension() components. The
7298 * caller is to delete this array using decrRef() as it is no more needed.
7299 * \throw If the coordinates array is not set.
7300 * \throw If the nodal connectivity of cells is not defined.
7302 * \ref cpp_mcumesh_getPartBarycenterAndOwner "Here is a C++ example".<br>
7303 * \ref py_mcumesh_getPartBarycenterAndOwner "Here is a Python example".
7305 DataArrayDouble *MEDCouplingUMesh::getPartBarycenterAndOwner(const int *begin, const int *end) const
7307 DataArrayDouble *ret=DataArrayDouble::New();
7308 int spaceDim=getSpaceDimension();
7309 int nbOfTuple=(int)std::distance(begin,end);
7310 ret->alloc(nbOfTuple,spaceDim);
7311 double *ptToFill=ret->getPointer();
7312 double *tmp=new double[spaceDim];
7313 const int *nodal=_nodal_connec->getConstPointer();
7314 const int *nodalI=_nodal_connec_index->getConstPointer();
7315 const double *coor=_coords->getConstPointer();
7316 for(const int *w=begin;w!=end;w++)
7318 INTERP_KERNEL::NormalizedCellType type=(INTERP_KERNEL::NormalizedCellType)nodal[nodalI[*w]];
7319 INTERP_KERNEL::computeBarycenter2<int,INTERP_KERNEL::ALL_C_MODE>(type,nodal+nodalI[*w]+1,nodalI[*w+1]-nodalI[*w]-1,coor,spaceDim,ptToFill);
7327 * Returns a DataArrayDouble instance giving for each cell in \a this the equation of plane given by "a*X+b*Y+c*Z+d=0".
7328 * So the returned instance will have 4 components and \c this->getNumberOfCells() tuples.
7329 * So this method expects that \a this has a spaceDimension equal to 3 and meshDimension equal to 2.
7330 * The computation of the plane equation is done using each time the 3 first nodes of 2D cells.
7331 * This method is useful to detect 2D cells in 3D space that are not coplanar.
7333 * \return DataArrayDouble * - a new instance of DataArrayDouble having 4 components and a number of tuples equal to number of cells in \a this.
7334 * \throw If spaceDim!=3 or meshDim!=2.
7335 * \throw If connectivity of \a this is invalid.
7336 * \throw If connectivity of a cell in \a this points to an invalid node.
7338 DataArrayDouble *MEDCouplingUMesh::computePlaneEquationOf3DFaces() const
7340 MEDCouplingAutoRefCountObjectPtr<DataArrayDouble> ret(DataArrayDouble::New());
7341 int nbOfCells(getNumberOfCells()),nbOfNodes(getNumberOfNodes());
7342 if(getSpaceDimension()!=3 || getMeshDimension()!=2)
7343 throw INTERP_KERNEL::Exception("MEDCouplingUMesh::computePlaneEquationOf3DFaces : This method must be applied on a mesh having meshDimension equal 2 and a spaceDimension equal to 3 !");
7344 ret->alloc(nbOfCells,4);
7345 double *retPtr(ret->getPointer());
7346 const int *nodal(_nodal_connec->begin()),*nodalI(_nodal_connec_index->begin());
7347 const double *coor(_coords->begin());
7348 for(int i=0;i<nbOfCells;i++,nodalI++,retPtr+=4)
7350 double matrix[16]={0,0,0,1,0,0,0,1,0,0,0,1,1,1,1,0},matrix2[16];
7351 if(nodalI[1]-nodalI[0]>=3)
7353 for(int j=0;j<3;j++)
7355 int nodeId(nodal[nodalI[0]+1+j]);
7356 if(nodeId>=0 && nodeId<nbOfNodes)
7357 std::copy(coor+nodeId*3,coor+(nodeId+1)*3,matrix+4*j);
7360 std::ostringstream oss; oss << "MEDCouplingUMesh::computePlaneEquationOf3DFaces : invalid 2D cell #" << i << " ! This cell points to an invalid nodeId : " << nodeId << " !";
7361 throw INTERP_KERNEL::Exception(oss.str().c_str());
7367 std::ostringstream oss; oss << "MEDCouplingUMesh::computePlaneEquationOf3DFaces : invalid 2D cell #" << i << " ! Must be constitued by more than 3 nodes !";
7368 throw INTERP_KERNEL::Exception(oss.str().c_str());
7370 INTERP_KERNEL::inverseMatrix(matrix,4,matrix2);
7371 retPtr[0]=matrix2[3]; retPtr[1]=matrix2[7]; retPtr[2]=matrix2[11]; retPtr[3]=matrix2[15];
7377 * This method expects as input a DataArrayDouble non nul instance 'da' that should be allocated. If not an exception is thrown.
7380 MEDCouplingUMesh *MEDCouplingUMesh::Build0DMeshFromCoords(DataArrayDouble *da)
7383 throw INTERP_KERNEL::Exception("MEDCouplingUMesh::Build0DMeshFromCoords : instance of DataArrayDouble must be not null !");
7384 da->checkAllocated();
7385 MEDCouplingAutoRefCountObjectPtr<MEDCouplingUMesh> ret=MEDCouplingUMesh::New(da->getName().c_str(),0);
7387 int nbOfTuples=da->getNumberOfTuples();
7388 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> c=DataArrayInt::New();
7389 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> cI=DataArrayInt::New();
7390 c->alloc(2*nbOfTuples,1);
7391 cI->alloc(nbOfTuples+1,1);
7392 int *cp=c->getPointer();
7393 int *cip=cI->getPointer();
7395 for(int i=0;i<nbOfTuples;i++)
7397 *cp++=INTERP_KERNEL::NORM_POINT1;
7401 ret->setConnectivity(c,cI,true);
7405 * Creates a new MEDCouplingUMesh by concatenating two given meshes of the same dimension.
7406 * Cells and nodes of
7407 * the first mesh precede cells and nodes of the second mesh within the result mesh.
7408 * \param [in] mesh1 - the first mesh.
7409 * \param [in] mesh2 - the second mesh.
7410 * \return MEDCouplingUMesh * - the result mesh. It is a new instance of
7411 * MEDCouplingUMesh. The caller is to delete this mesh using decrRef() as it
7412 * is no more needed.
7413 * \throw If \a mesh1 == NULL or \a mesh2 == NULL.
7414 * \throw If the coordinates array is not set in none of the meshes.
7415 * \throw If \a mesh1->getMeshDimension() < 0 or \a mesh2->getMeshDimension() < 0.
7416 * \throw If \a mesh1->getMeshDimension() != \a mesh2->getMeshDimension().
7418 MEDCouplingUMesh *MEDCouplingUMesh::MergeUMeshes(const MEDCouplingUMesh *mesh1, const MEDCouplingUMesh *mesh2)
7420 std::vector<const MEDCouplingUMesh *> tmp(2);
7421 tmp[0]=const_cast<MEDCouplingUMesh *>(mesh1); tmp[1]=const_cast<MEDCouplingUMesh *>(mesh2);
7422 return MergeUMeshes(tmp);
7426 * Creates a new MEDCouplingUMesh by concatenating all given meshes of the same dimension.
7427 * Cells and nodes of
7428 * the *i*-th mesh precede cells and nodes of the (*i*+1)-th mesh within the result mesh.
7429 * \param [in] a - a vector of meshes (MEDCouplingUMesh) to concatenate.
7430 * \return MEDCouplingUMesh * - the result mesh. It is a new instance of
7431 * MEDCouplingUMesh. The caller is to delete this mesh using decrRef() as it
7432 * is no more needed.
7433 * \throw If \a a.size() == 0.
7434 * \throw If \a a[ *i* ] == NULL.
7435 * \throw If the coordinates array is not set in none of the meshes.
7436 * \throw If \a a[ *i* ]->getMeshDimension() < 0.
7437 * \throw If the meshes in \a a are of different dimension (getMeshDimension()).
7439 MEDCouplingUMesh *MEDCouplingUMesh::MergeUMeshes(std::vector<const MEDCouplingUMesh *>& a)
7441 std::size_t sz=a.size();
7443 return MergeUMeshesLL(a);
7444 for(std::size_t ii=0;ii<sz;ii++)
7447 std::ostringstream oss; oss << "MEDCouplingUMesh::MergeUMeshes : item #" << ii << " in input array of size "<< sz << " is empty !";
7448 throw INTERP_KERNEL::Exception(oss.str().c_str());
7450 std::vector< MEDCouplingAutoRefCountObjectPtr<MEDCouplingUMesh> > bb(sz);
7451 std::vector< const MEDCouplingUMesh * > aa(sz);
7453 for(std::size_t i=0;i<sz && spaceDim==-3;i++)
7455 const MEDCouplingUMesh *cur=a[i];
7456 const DataArrayDouble *coo=cur->getCoords();
7458 spaceDim=coo->getNumberOfComponents();
7461 throw INTERP_KERNEL::Exception("MEDCouplingUMesh::MergeUMeshes : no spaceDim specified ! unable to perform merge !");
7462 for(std::size_t i=0;i<sz;i++)
7464 bb[i]=a[i]->buildSetInstanceFromThis(spaceDim);
7467 return MergeUMeshesLL(aa);
7472 MEDCouplingUMesh *MEDCouplingUMesh::MergeUMeshesLL(std::vector<const MEDCouplingUMesh *>& a)
7475 throw INTERP_KERNEL::Exception("MEDCouplingUMesh::MergeUMeshes : input array must be NON EMPTY !");
7476 std::vector<const MEDCouplingUMesh *>::const_iterator it=a.begin();
7477 int meshDim=(*it)->getMeshDimension();
7478 int nbOfCells=(*it)->getNumberOfCells();
7479 int meshLgth=(*it++)->getMeshLength();
7480 for(;it!=a.end();it++)
7482 if(meshDim!=(*it)->getMeshDimension())
7483 throw INTERP_KERNEL::Exception("Mesh dimensions mismatches, MergeUMeshes impossible !");
7484 nbOfCells+=(*it)->getNumberOfCells();
7485 meshLgth+=(*it)->getMeshLength();
7487 std::vector<const MEDCouplingPointSet *> aps(a.size());
7488 std::copy(a.begin(),a.end(),aps.begin());
7489 MEDCouplingAutoRefCountObjectPtr<DataArrayDouble> pts=MergeNodesArray(aps);
7490 MEDCouplingAutoRefCountObjectPtr<MEDCouplingUMesh> ret=MEDCouplingUMesh::New("merge",meshDim);
7491 ret->setCoords(pts);
7492 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> c=DataArrayInt::New();
7493 c->alloc(meshLgth,1);
7494 int *cPtr=c->getPointer();
7495 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> cI=DataArrayInt::New();
7496 cI->alloc(nbOfCells+1,1);
7497 int *cIPtr=cI->getPointer();
7501 for(it=a.begin();it!=a.end();it++)
7503 int curNbOfCell=(*it)->getNumberOfCells();
7504 const int *curCI=(*it)->_nodal_connec_index->getConstPointer();
7505 const int *curC=(*it)->_nodal_connec->getConstPointer();
7506 cIPtr=std::transform(curCI+1,curCI+curNbOfCell+1,cIPtr,std::bind2nd(std::plus<int>(),offset));
7507 for(int j=0;j<curNbOfCell;j++)
7509 const int *src=curC+curCI[j];
7511 for(;src!=curC+curCI[j+1];src++,cPtr++)
7519 offset+=curCI[curNbOfCell];
7520 offset2+=(*it)->getNumberOfNodes();
7523 ret->setConnectivity(c,cI,true);
7530 * Creates a new MEDCouplingUMesh by concatenating cells of two given meshes of same
7531 * dimension and sharing the node coordinates array.
7532 * All cells of the first mesh precede all cells of the second mesh
7533 * within the result mesh.
7534 * \param [in] mesh1 - the first mesh.
7535 * \param [in] mesh2 - the second mesh.
7536 * \return MEDCouplingUMesh * - the result mesh. It is a new instance of
7537 * MEDCouplingUMesh. The caller is to delete this mesh using decrRef() as it
7538 * is no more needed.
7539 * \throw If \a mesh1 == NULL or \a mesh2 == NULL.
7540 * \throw If the meshes do not share the node coordinates array.
7541 * \throw If \a mesh1->getMeshDimension() < 0 or \a mesh2->getMeshDimension() < 0.
7542 * \throw If \a mesh1->getMeshDimension() != \a mesh2->getMeshDimension().
7544 MEDCouplingUMesh *MEDCouplingUMesh::MergeUMeshesOnSameCoords(const MEDCouplingUMesh *mesh1, const MEDCouplingUMesh *mesh2)
7546 std::vector<const MEDCouplingUMesh *> tmp(2);
7547 tmp[0]=mesh1; tmp[1]=mesh2;
7548 return MergeUMeshesOnSameCoords(tmp);
7552 * Creates a new MEDCouplingUMesh by concatenating cells of all given meshes of same
7553 * dimension and sharing the node coordinates array.
7554 * All cells of the *i*-th mesh precede all cells of the
7555 * (*i*+1)-th mesh within the result mesh.
7556 * \param [in] a - a vector of meshes (MEDCouplingUMesh) to concatenate.
7557 * \return MEDCouplingUMesh * - the result mesh. It is a new instance of
7558 * MEDCouplingUMesh. The caller is to delete this mesh using decrRef() as it
7559 * is no more needed.
7560 * \throw If \a a.size() == 0.
7561 * \throw If \a a[ *i* ] == NULL.
7562 * \throw If the meshes do not share the node coordinates array.
7563 * \throw If \a a[ *i* ]->getMeshDimension() < 0.
7564 * \throw If the meshes in \a a are of different dimension (getMeshDimension()).
7566 MEDCouplingUMesh *MEDCouplingUMesh::MergeUMeshesOnSameCoords(const std::vector<const MEDCouplingUMesh *>& meshes)
7569 throw INTERP_KERNEL::Exception("meshes input parameter is expected to be non empty.");
7570 for(std::size_t ii=0;ii<meshes.size();ii++)
7573 std::ostringstream oss; oss << "MEDCouplingUMesh::MergeUMeshesOnSameCoords : item #" << ii << " in input array of size "<< meshes.size() << " is empty !";
7574 throw INTERP_KERNEL::Exception(oss.str().c_str());
7576 const DataArrayDouble *coords=meshes.front()->getCoords();
7577 int meshDim=meshes.front()->getMeshDimension();
7578 std::vector<const MEDCouplingUMesh *>::const_iterator iter=meshes.begin();
7580 int meshIndexLgth=0;
7581 for(;iter!=meshes.end();iter++)
7583 if(coords!=(*iter)->getCoords())
7584 throw INTERP_KERNEL::Exception("meshes does not share the same coords ! Try using tryToShareSameCoords method !");
7585 if(meshDim!=(*iter)->getMeshDimension())
7586 throw INTERP_KERNEL::Exception("Mesh dimensions mismatches, FuseUMeshesOnSameCoords impossible !");
7587 meshLgth+=(*iter)->getMeshLength();
7588 meshIndexLgth+=(*iter)->getNumberOfCells();
7590 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> nodal=DataArrayInt::New();
7591 nodal->alloc(meshLgth,1);
7592 int *nodalPtr=nodal->getPointer();
7593 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> nodalIndex=DataArrayInt::New();
7594 nodalIndex->alloc(meshIndexLgth+1,1);
7595 int *nodalIndexPtr=nodalIndex->getPointer();
7597 for(iter=meshes.begin();iter!=meshes.end();iter++)
7599 const int *nod=(*iter)->getNodalConnectivity()->getConstPointer();
7600 const int *index=(*iter)->getNodalConnectivityIndex()->getConstPointer();
7601 int nbOfCells=(*iter)->getNumberOfCells();
7602 int meshLgth2=(*iter)->getMeshLength();
7603 nodalPtr=std::copy(nod,nod+meshLgth2,nodalPtr);
7604 if(iter!=meshes.begin())
7605 nodalIndexPtr=std::transform(index+1,index+nbOfCells+1,nodalIndexPtr,std::bind2nd(std::plus<int>(),offset));
7607 nodalIndexPtr=std::copy(index,index+nbOfCells+1,nodalIndexPtr);
7610 MEDCouplingUMesh *ret=MEDCouplingUMesh::New();
7611 ret->setName("merge");
7612 ret->setMeshDimension(meshDim);
7613 ret->setConnectivity(nodal,nodalIndex,true);
7614 ret->setCoords(coords);
7619 * Creates a new MEDCouplingUMesh by concatenating cells of all given meshes of same
7620 * dimension and sharing the node coordinates array. Cells of the *i*-th mesh precede
7621 * cells of the (*i*+1)-th mesh within the result mesh. Duplicates of cells are
7622 * removed from \a this mesh and arrays mapping between new and old cell ids in "Old to
7623 * New" mode are returned for each input mesh.
7624 * \param [in] meshes - a vector of meshes (MEDCouplingUMesh) to concatenate.
7625 * \param [in] compType - specifies a cell comparison technique. For meaning of its
7626 * valid values [0,1,2], see zipConnectivityTraducer().
7627 * \param [in,out] corr - an array of DataArrayInt, of the same size as \a
7628 * meshes. The *i*-th array describes cell ids mapping for \a meshes[ *i* ]
7629 * mesh. The caller is to delete each of the arrays using decrRef() as it is
7631 * \return MEDCouplingUMesh * - the result mesh. It is a new instance of
7632 * MEDCouplingUMesh. The caller is to delete this mesh using decrRef() as it
7633 * is no more needed.
7634 * \throw If \a meshes.size() == 0.
7635 * \throw If \a meshes[ *i* ] == NULL.
7636 * \throw If the meshes do not share the node coordinates array.
7637 * \throw If \a meshes[ *i* ]->getMeshDimension() < 0.
7638 * \throw If the \a meshes are of different dimension (getMeshDimension()).
7639 * \throw If the nodal connectivity of cells of any of \a meshes is not defined.
7640 * \throw If the nodal connectivity any of \a meshes includes an invalid id.
7642 MEDCouplingUMesh *MEDCouplingUMesh::FuseUMeshesOnSameCoords(const std::vector<const MEDCouplingUMesh *>& meshes, int compType, std::vector<DataArrayInt *>& corr)
7644 //All checks are delegated to MergeUMeshesOnSameCoords
7645 MEDCouplingAutoRefCountObjectPtr<MEDCouplingUMesh> ret=MergeUMeshesOnSameCoords(meshes);
7646 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> o2n=ret->zipConnectivityTraducer(compType);
7647 corr.resize(meshes.size());
7648 std::size_t nbOfMeshes=meshes.size();
7650 const int *o2nPtr=o2n->getConstPointer();
7651 for(std::size_t i=0;i<nbOfMeshes;i++)
7653 DataArrayInt *tmp=DataArrayInt::New();
7654 int curNbOfCells=meshes[i]->getNumberOfCells();
7655 tmp->alloc(curNbOfCells,1);
7656 std::copy(o2nPtr+offset,o2nPtr+offset+curNbOfCells,tmp->getPointer());
7657 offset+=curNbOfCells;
7658 tmp->setName(meshes[i]->getName().c_str());
7665 * Makes all given meshes share the nodal connectivity array. The common connectivity
7666 * array is created by concatenating the connectivity arrays of all given meshes. All
7667 * the given meshes must be of the same space dimension but dimension of cells **can
7668 * differ**. This method is particulary useful in MEDLoader context to build a \ref
7669 * ParaMEDMEM::MEDFileUMesh "MEDFileUMesh" instance that expects that underlying
7670 * MEDCouplingUMesh'es of different dimension share the same nodal connectivity array.
7671 * \param [in,out] meshes - a vector of meshes to update.
7672 * \throw If any of \a meshes is NULL.
7673 * \throw If the coordinates array is not set in any of \a meshes.
7674 * \throw If the nodal connectivity of cells is not defined in any of \a meshes.
7675 * \throw If \a meshes are of different space dimension.
7677 void MEDCouplingUMesh::PutUMeshesOnSameAggregatedCoords(const std::vector<MEDCouplingUMesh *>& meshes)
7679 std::size_t sz=meshes.size();
7682 std::vector< const DataArrayDouble * > coords(meshes.size());
7683 std::vector< const DataArrayDouble * >::iterator it2=coords.begin();
7684 for(std::vector<MEDCouplingUMesh *>::const_iterator it=meshes.begin();it!=meshes.end();it++,it2++)
7688 (*it)->checkConnectivityFullyDefined();
7689 const DataArrayDouble *coo=(*it)->getCoords();
7694 std::ostringstream oss; oss << " MEDCouplingUMesh::PutUMeshesOnSameAggregatedCoords : Item #" << std::distance(meshes.begin(),it) << " inside the vector of length " << meshes.size();
7695 oss << " has no coordinate array defined !";
7696 throw INTERP_KERNEL::Exception(oss.str().c_str());
7701 std::ostringstream oss; oss << " MEDCouplingUMesh::PutUMeshesOnSameAggregatedCoords : Item #" << std::distance(meshes.begin(),it) << " inside the vector of length " << meshes.size();
7702 oss << " is null !";
7703 throw INTERP_KERNEL::Exception(oss.str().c_str());
7706 MEDCouplingAutoRefCountObjectPtr<DataArrayDouble> res=DataArrayDouble::Aggregate(coords);
7707 std::vector<MEDCouplingUMesh *>::const_iterator it=meshes.begin();
7708 int offset=(*it)->getNumberOfNodes();
7709 (*it++)->setCoords(res);
7710 for(;it!=meshes.end();it++)
7712 int oldNumberOfNodes=(*it)->getNumberOfNodes();
7713 (*it)->setCoords(res);
7714 (*it)->shiftNodeNumbersInConn(offset);
7715 offset+=oldNumberOfNodes;
7720 * Merges nodes coincident with a given precision within all given meshes that share
7721 * the nodal connectivity array. The given meshes **can be of different** mesh
7722 * dimension. This method is particulary useful in MEDLoader context to build a \ref
7723 * ParaMEDMEM::MEDFileUMesh "MEDFileUMesh" instance that expects that underlying
7724 * MEDCouplingUMesh'es of different dimension share the same nodal connectivity array.
7725 * \param [in,out] meshes - a vector of meshes to update.
7726 * \param [in] eps - the precision used to detect coincident nodes (infinite norm).
7727 * \throw If any of \a meshes is NULL.
7728 * \throw If the \a meshes do not share the same node coordinates array.
7729 * \throw If the nodal connectivity of cells is not defined in any of \a meshes.
7731 void MEDCouplingUMesh::MergeNodesOnUMeshesSharingSameCoords(const std::vector<MEDCouplingUMesh *>& meshes, double eps)
7735 std::set<const DataArrayDouble *> s;
7736 for(std::vector<MEDCouplingUMesh *>::const_iterator it=meshes.begin();it!=meshes.end();it++)
7739 s.insert((*it)->getCoords());
7742 std::ostringstream oss; oss << "MEDCouplingUMesh::MergeNodesOnUMeshesSharingSameCoords : In input vector of unstructured meshes of size " << meshes.size() << " the element #" << std::distance(meshes.begin(),it) << " is null !";
7743 throw INTERP_KERNEL::Exception(oss.str().c_str());
7748 std::ostringstream oss; oss << "MEDCouplingUMesh::MergeNodesOnUMeshesSharingSameCoords : In input vector of unstructured meshes of size " << meshes.size() << ", it appears that they do not share the same instance of DataArrayDouble for coordiantes ! tryToShareSameCoordsPermute method can help to reach that !";
7749 throw INTERP_KERNEL::Exception(oss.str().c_str());
7751 const DataArrayDouble *coo=*(s.begin());
7755 DataArrayInt *comm,*commI;
7756 coo->findCommonTuples(eps,-1,comm,commI);
7757 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> tmp1(comm),tmp2(commI);
7758 int oldNbOfNodes=coo->getNumberOfTuples();
7760 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> o2n=DataArrayInt::BuildOld2NewArrayFromSurjectiveFormat2(oldNbOfNodes,comm->begin(),commI->begin(),commI->end(),newNbOfNodes);
7761 if(oldNbOfNodes==newNbOfNodes)
7763 MEDCouplingAutoRefCountObjectPtr<DataArrayDouble> newCoords=coo->renumberAndReduce(o2n->getConstPointer(),newNbOfNodes);
7764 for(std::vector<MEDCouplingUMesh *>::const_iterator it=meshes.begin();it!=meshes.end();it++)
7766 (*it)->renumberNodesInConn(o2n->getConstPointer());
7767 (*it)->setCoords(newCoords);
7772 * This method takes in input a cell defined by its MEDcouplingUMesh connectivity [ \a connBg , \a connEnd ) and returns its extruded cell by inserting the result at the end of ret.
7773 * \param nbOfNodesPerLev in parameter that specifies the number of nodes of one slice of global dataset
7774 * \param isQuad specifies the policy of connectivity.
7775 * @ret in/out parameter in which the result will be append
7777 void MEDCouplingUMesh::AppendExtrudedCell(const int *connBg, const int *connEnd, int nbOfNodesPerLev, bool isQuad, std::vector<int>& ret)
7779 INTERP_KERNEL::NormalizedCellType flatType=(INTERP_KERNEL::NormalizedCellType)connBg[0];
7780 const INTERP_KERNEL::CellModel& cm=INTERP_KERNEL::CellModel::GetCellModel(flatType);
7781 ret.push_back(cm.getExtrudedType());
7782 int deltaz=isQuad?2*nbOfNodesPerLev:nbOfNodesPerLev;
7785 case INTERP_KERNEL::NORM_POINT1:
7787 ret.push_back(connBg[1]);
7788 ret.push_back(connBg[1]+nbOfNodesPerLev);
7791 case INTERP_KERNEL::NORM_SEG2:
7793 int conn[4]={connBg[1],connBg[2],connBg[2]+deltaz,connBg[1]+deltaz};
7794 ret.insert(ret.end(),conn,conn+4);
7797 case INTERP_KERNEL::NORM_SEG3:
7799 int conn[8]={connBg[1],connBg[3],connBg[3]+deltaz,connBg[1]+deltaz,connBg[2],connBg[3]+nbOfNodesPerLev,connBg[2]+deltaz,connBg[1]+nbOfNodesPerLev};
7800 ret.insert(ret.end(),conn,conn+8);
7803 case INTERP_KERNEL::NORM_QUAD4:
7805 int conn[8]={connBg[1],connBg[2],connBg[3],connBg[4],connBg[1]+deltaz,connBg[2]+deltaz,connBg[3]+deltaz,connBg[4]+deltaz};
7806 ret.insert(ret.end(),conn,conn+8);
7809 case INTERP_KERNEL::NORM_TRI3:
7811 int conn[6]={connBg[1],connBg[2],connBg[3],connBg[1]+deltaz,connBg[2]+deltaz,connBg[3]+deltaz};
7812 ret.insert(ret.end(),conn,conn+6);
7815 case INTERP_KERNEL::NORM_TRI6:
7817 int conn[15]={connBg[1],connBg[2],connBg[3],connBg[1]+deltaz,connBg[2]+deltaz,connBg[3]+deltaz,connBg[4],connBg[5],connBg[6],connBg[4]+deltaz,connBg[5]+deltaz,connBg[6]+deltaz,
7818 connBg[1]+nbOfNodesPerLev,connBg[2]+nbOfNodesPerLev,connBg[3]+nbOfNodesPerLev};
7819 ret.insert(ret.end(),conn,conn+15);
7822 case INTERP_KERNEL::NORM_QUAD8:
7825 connBg[1],connBg[2],connBg[3],connBg[4],connBg[1]+deltaz,connBg[2]+deltaz,connBg[3]+deltaz,connBg[4]+deltaz,
7826 connBg[5],connBg[6],connBg[7],connBg[8],connBg[5]+deltaz,connBg[6]+deltaz,connBg[7]+deltaz,connBg[8]+deltaz,
7827 connBg[1]+nbOfNodesPerLev,connBg[2]+nbOfNodesPerLev,connBg[3]+nbOfNodesPerLev,connBg[4]+nbOfNodesPerLev
7829 ret.insert(ret.end(),conn,conn+20);
7832 case INTERP_KERNEL::NORM_POLYGON:
7834 std::back_insert_iterator< std::vector<int> > ii(ret);
7835 std::copy(connBg+1,connEnd,ii);
7837 std::reverse_iterator<const int *> rConnBg(connEnd);
7838 std::reverse_iterator<const int *> rConnEnd(connBg+1);
7839 std::transform(rConnBg,rConnEnd,ii,std::bind2nd(std::plus<int>(),deltaz));
7840 std::size_t nbOfRadFaces=std::distance(connBg+1,connEnd);
7841 for(std::size_t i=0;i<nbOfRadFaces;i++)
7844 int conn[4]={connBg[(i+1)%nbOfRadFaces+1],connBg[i+1],connBg[i+1]+deltaz,connBg[(i+1)%nbOfRadFaces+1]+deltaz};
7845 std::copy(conn,conn+4,ii);
7850 throw INTERP_KERNEL::Exception("A flat type has been detected that has not its extruded representation !");
7855 * This static operates only for coords in 3D. The polygon is specfied by its connectivity nodes in [ \a begin , \a end ).
7857 bool MEDCouplingUMesh::IsPolygonWellOriented(bool isQuadratic, const double *vec, const int *begin, const int *end, const double *coords)
7859 double v[3]={0.,0.,0.};
7860 std::size_t sz=std::distance(begin,end);
7863 for(std::size_t i=0;i<sz;i++)
7865 v[0]+=coords[3*begin[i]+1]*coords[3*begin[(i+1)%sz]+2]-coords[3*begin[i]+2]*coords[3*begin[(i+1)%sz]+1];
7866 v[1]+=coords[3*begin[i]+2]*coords[3*begin[(i+1)%sz]]-coords[3*begin[i]]*coords[3*begin[(i+1)%sz]+2];
7867 v[2]+=coords[3*begin[i]]*coords[3*begin[(i+1)%sz]+1]-coords[3*begin[i]+1]*coords[3*begin[(i+1)%sz]];
7869 return vec[0]*v[0]+vec[1]*v[1]+vec[2]*v[2]>0.;
7873 * The polyhedron is specfied by its connectivity nodes in [ \a begin , \a end ).
7875 bool MEDCouplingUMesh::IsPolyhedronWellOriented(const int *begin, const int *end, const double *coords)
7877 std::vector<std::pair<int,int> > edges;
7878 std::size_t nbOfFaces=std::count(begin,end,-1)+1;
7879 const int *bgFace=begin;
7880 for(std::size_t i=0;i<nbOfFaces;i++)
7882 const int *endFace=std::find(bgFace+1,end,-1);
7883 std::size_t nbOfEdgesInFace=std::distance(bgFace,endFace);
7884 for(std::size_t j=0;j<nbOfEdgesInFace;j++)
7886 std::pair<int,int> p1(bgFace[j],bgFace[(j+1)%nbOfEdgesInFace]);
7887 if(std::find(edges.begin(),edges.end(),p1)!=edges.end())
7889 edges.push_back(p1);
7893 return INTERP_KERNEL::calculateVolumeForPolyh2<int,INTERP_KERNEL::ALL_C_MODE>(begin,(int)std::distance(begin,end),coords)>-EPS_FOR_POLYH_ORIENTATION;
7897 * The 3D extruded static cell (PENTA6,HEXA8,HEXAGP12...) its connectivity nodes in [ \a begin , \a end ).
7899 bool MEDCouplingUMesh::Is3DExtrudedStaticCellWellOriented(const int *begin, const int *end, const double *coords)
7901 double vec0[3],vec1[3];
7902 std::size_t sz=std::distance(begin,end);
7904 throw INTERP_KERNEL::Exception("MEDCouplingUMesh::Is3DExtrudedStaticCellWellOriented : the length of nodal connectivity of extruded cell is not even !");
7905 int nbOfNodes=(int)sz/2;
7906 INTERP_KERNEL::areaVectorOfPolygon<int,INTERP_KERNEL::ALL_C_MODE>(begin,nbOfNodes,coords,vec0);
7907 const double *pt0=coords+3*begin[0];
7908 const double *pt1=coords+3*begin[nbOfNodes];
7909 vec1[0]=pt1[0]-pt0[0]; vec1[1]=pt1[1]-pt0[1]; vec1[2]=pt1[2]-pt0[2];
7910 return (vec0[0]*vec1[0]+vec0[1]*vec1[1]+vec0[2]*vec1[2])<0.;
7913 void MEDCouplingUMesh::CorrectExtrudedStaticCell(int *begin, int *end)
7915 std::size_t sz=std::distance(begin,end);
7916 INTERP_KERNEL::AutoPtr<int> tmp=new int[sz];
7917 std::size_t nbOfNodes(sz/2);
7918 std::copy(begin,end,(int *)tmp);
7919 for(std::size_t j=1;j<nbOfNodes;j++)
7921 begin[j]=tmp[nbOfNodes-j];
7922 begin[j+nbOfNodes]=tmp[nbOfNodes+nbOfNodes-j];
7926 bool MEDCouplingUMesh::IsTetra4WellOriented(const int *begin, const int *end, const double *coords)
7928 std::size_t sz=std::distance(begin,end);
7930 throw INTERP_KERNEL::Exception("MEDCouplingUMesh::IsTetra4WellOriented : Tetra4 cell with not 4 nodes ! Call checkCoherency2 !");
7931 double vec0[3],vec1[3];
7932 const double *pt0=coords+3*begin[0],*pt1=coords+3*begin[1],*pt2=coords+3*begin[2],*pt3=coords+3*begin[3];
7933 vec0[0]=pt1[0]-pt0[0]; vec0[1]=pt1[1]-pt0[1]; vec0[2]=pt1[2]-pt0[2]; vec1[0]=pt2[0]-pt0[0]; vec1[1]=pt2[1]-pt0[1]; vec1[2]=pt2[2]-pt0[2];
7934 return ((vec0[1]*vec1[2]-vec0[2]*vec1[1])*(pt3[0]-pt0[0])+(vec0[2]*vec1[0]-vec0[0]*vec1[2])*(pt3[1]-pt0[1])+(vec0[0]*vec1[1]-vec0[1]*vec1[0])*(pt3[2]-pt0[2]))<0;
7937 bool MEDCouplingUMesh::IsPyra5WellOriented(const int *begin, const int *end, const double *coords)
7939 std::size_t sz=std::distance(begin,end);
7941 throw INTERP_KERNEL::Exception("MEDCouplingUMesh::IsPyra5WellOriented : Pyra5 cell with not 5 nodes ! Call checkCoherency2 !");
7943 INTERP_KERNEL::areaVectorOfPolygon<int,INTERP_KERNEL::ALL_C_MODE>(begin,4,coords,vec0);
7944 const double *pt0=coords+3*begin[0],*pt1=coords+3*begin[4];
7945 return (vec0[0]*(pt1[0]-pt0[0])+vec0[1]*(pt1[1]-pt0[1])+vec0[2]*(pt1[2]-pt0[2]))<0.;
7949 * This method performs a simplyfication of a single polyedron cell. To do that each face of cell whose connectivity is defined by [ \b begin , \b end )
7950 * is compared with the others in order to find faces in the same plane (with approx of eps). If any, the cells are grouped together and projected to
7953 * \param [in] eps is a relative precision that allows to establish if some 3D plane are coplanar or not.
7954 * \param [in] coords the coordinates with nb of components exactly equal to 3
7955 * \param [in] begin begin of the nodal connectivity (geometric type included) of a single polyhedron cell
7956 * \param [in] end end of nodal connectivity of a single polyhedron cell (excluded)
7957 * \param [out] res the result is put at the end of the vector without any alteration of the data.
7959 void MEDCouplingUMesh::SimplifyPolyhedronCell(double eps, const DataArrayDouble *coords, const int *begin, const int *end, DataArrayInt *res)
7961 int nbFaces=std::count(begin+1,end,-1)+1;
7962 MEDCouplingAutoRefCountObjectPtr<DataArrayDouble> v=DataArrayDouble::New(); v->alloc(nbFaces,3);
7963 double *vPtr=v->getPointer();
7964 MEDCouplingAutoRefCountObjectPtr<DataArrayDouble> p=DataArrayDouble::New(); p->alloc(nbFaces,1);
7965 double *pPtr=p->getPointer();
7966 const int *stFaceConn=begin+1;
7967 for(int i=0;i<nbFaces;i++,vPtr+=3,pPtr++)
7969 const int *endFaceConn=std::find(stFaceConn,end,-1);
7970 ComputeVecAndPtOfFace(eps,coords->getConstPointer(),stFaceConn,endFaceConn,vPtr,pPtr);
7971 stFaceConn=endFaceConn+1;
7973 pPtr=p->getPointer(); vPtr=v->getPointer();
7974 DataArrayInt *comm1=0,*commI1=0;
7975 v->findCommonTuples(eps,-1,comm1,commI1);
7976 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> comm1Auto(comm1),commI1Auto(commI1);
7977 const int *comm1Ptr=comm1->getConstPointer();
7978 const int *commI1Ptr=commI1->getConstPointer();
7979 int nbOfGrps1=commI1Auto->getNumberOfTuples()-1;
7980 res->pushBackSilent((int)INTERP_KERNEL::NORM_POLYHED);
7982 MEDCouplingAutoRefCountObjectPtr<MEDCouplingUMesh> mm=MEDCouplingUMesh::New("",3);
7983 mm->setCoords(const_cast<DataArrayDouble *>(coords)); mm->allocateCells(1); mm->insertNextCell(INTERP_KERNEL::NORM_POLYHED,(int)std::distance(begin+1,end),begin+1);
7984 mm->finishInsertingCells();
7986 for(int i=0;i<nbOfGrps1;i++)
7988 int vecId=comm1Ptr[commI1Ptr[i]];
7989 MEDCouplingAutoRefCountObjectPtr<DataArrayDouble> tmpgrp2=p->selectByTupleId(comm1Ptr+commI1Ptr[i],comm1Ptr+commI1Ptr[i+1]);
7990 DataArrayInt *comm2=0,*commI2=0;
7991 tmpgrp2->findCommonTuples(eps,-1,comm2,commI2);
7992 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> comm2Auto(comm2),commI2Auto(commI2);
7993 const int *comm2Ptr=comm2->getConstPointer();
7994 const int *commI2Ptr=commI2->getConstPointer();
7995 int nbOfGrps2=commI2Auto->getNumberOfTuples()-1;
7996 for(int j=0;j<nbOfGrps2;j++)
7998 if(commI2Ptr[j+1]-commI2Ptr[j]<=1)
8000 res->insertAtTheEnd(begin,end);
8001 res->pushBackSilent(-1);
8005 int pointId=comm1Ptr[commI1Ptr[i]+comm2Ptr[commI2Ptr[j]]];
8006 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> ids2=comm2->selectByTupleId2(commI2Ptr[j],commI2Ptr[j+1],1);
8007 ids2->transformWithIndArr(comm1Ptr+commI1Ptr[i],comm1Ptr+commI1Ptr[i+1]);
8008 DataArrayInt *tmp0=DataArrayInt::New(),*tmp1=DataArrayInt::New(),*tmp2=DataArrayInt::New(),*tmp3=DataArrayInt::New();
8009 MEDCouplingAutoRefCountObjectPtr<MEDCouplingUMesh> mm2=mm->buildDescendingConnectivity(tmp0,tmp1,tmp2,tmp3); tmp0->decrRef(); tmp1->decrRef(); tmp2->decrRef(); tmp3->decrRef();
8010 MEDCouplingAutoRefCountObjectPtr<MEDCouplingUMesh> mm3=static_cast<MEDCouplingUMesh *>(mm2->buildPartOfMySelf(ids2->begin(),ids2->end(),true));
8011 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> idsNodeTmp=mm3->zipCoordsTraducer();
8012 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> idsNode=idsNodeTmp->invertArrayO2N2N2O(mm3->getNumberOfNodes());
8013 const int *idsNodePtr=idsNode->getConstPointer();
8014 double center[3]; center[0]=pPtr[pointId]*vPtr[3*vecId]; center[1]=pPtr[pointId]*vPtr[3*vecId+1]; center[2]=pPtr[pointId]*vPtr[3*vecId+2];
8015 double vec[3]; vec[0]=vPtr[3*vecId+1]; vec[1]=-vPtr[3*vecId]; vec[2]=0.;
8016 double norm=vec[0]*vec[0]+vec[1]*vec[1]+vec[2]*vec[2];
8017 if(std::abs(norm)>eps)
8019 double angle=INTERP_KERNEL::EdgeArcCircle::SafeAsin(norm);
8020 mm3->rotate(center,vec,angle);
8022 mm3->changeSpaceDimension(2);
8023 MEDCouplingAutoRefCountObjectPtr<MEDCouplingUMesh> mm4=mm3->buildSpreadZonesWithPoly();
8024 const int *conn4=mm4->getNodalConnectivity()->getConstPointer();
8025 const int *connI4=mm4->getNodalConnectivityIndex()->getConstPointer();
8026 int nbOfCells=mm4->getNumberOfCells();
8027 for(int k=0;k<nbOfCells;k++)
8030 for(const int *work=conn4+connI4[k]+1;work!=conn4+connI4[k+1];work++,l++)
8031 res->pushBackSilent(idsNodePtr[*work]);
8032 res->pushBackSilent(-1);
8037 res->popBackSilent();
8041 * This method computes the normalized vector of the plane and the pos of the point belonging to the plane and the line defined by the vector going
8042 * through origin. The plane is defined by its nodal connectivity [ \b begin, \b end ).
8044 * \param [in] eps below that value the dot product of 2 vectors is considered as colinears
8045 * \param [in] coords coordinates expected to have 3 components.
8046 * \param [in] begin start of the nodal connectivity of the face.
8047 * \param [in] end end of the nodal connectivity (excluded) of the face.
8048 * \param [out] v the normalized vector of size 3
8049 * \param [out] p the pos of plane
8051 void MEDCouplingUMesh::ComputeVecAndPtOfFace(double eps, const double *coords, const int *begin, const int *end, double *v, double *p)
8053 std::size_t nbPoints=std::distance(begin,end);
8055 throw INTERP_KERNEL::Exception("MEDCouplingUMesh::ComputeVecAndPtOfFace : < of 3 points in face ! not able to find a plane on that face !");
8056 double vec[3]={0.,0.,0.};
8058 bool refFound=false;
8059 for(;j<nbPoints-1 && !refFound;j++)
8061 vec[0]=coords[3*begin[j+1]]-coords[3*begin[j]];
8062 vec[1]=coords[3*begin[j+1]+1]-coords[3*begin[j]+1];
8063 vec[2]=coords[3*begin[j+1]+2]-coords[3*begin[j]+2];
8064 double norm=sqrt(vec[0]*vec[0]+vec[1]*vec[1]+vec[2]*vec[2]);
8068 vec[0]/=norm; vec[1]/=norm; vec[2]/=norm;
8071 for(std::size_t i=j;i<nbPoints-1;i++)
8074 curVec[0]=coords[3*begin[i+1]]-coords[3*begin[i]];
8075 curVec[1]=coords[3*begin[i+1]+1]-coords[3*begin[i]+1];
8076 curVec[2]=coords[3*begin[i+1]+2]-coords[3*begin[i]+2];
8077 double norm=sqrt(curVec[0]*curVec[0]+curVec[1]*curVec[1]+curVec[2]*curVec[2]);
8080 curVec[0]/=norm; curVec[1]/=norm; curVec[2]/=norm;
8081 v[0]=vec[1]*curVec[2]-vec[2]*curVec[1]; v[1]=vec[2]*curVec[0]-vec[0]*curVec[2]; v[2]=vec[0]*curVec[1]-vec[1]*curVec[0];
8082 norm=sqrt(v[0]*v[0]+v[1]*v[1]+v[2]*v[2]);
8085 v[0]/=norm; v[1]/=norm; v[2]/=norm;
8086 *p=v[0]*coords[3*begin[i]]+v[1]*coords[3*begin[i]+1]+v[2]*coords[3*begin[i]+2];
8090 throw INTERP_KERNEL::Exception("Not able to find a normal vector of that 3D face !");
8094 * This method tries to obtain a well oriented polyhedron.
8095 * If the algorithm fails, an exception will be thrown.
8097 void MEDCouplingUMesh::TryToCorrectPolyhedronOrientation(int *begin, int *end, const double *coords)
8099 std::list< std::pair<int,int> > edgesOK,edgesFinished;
8100 std::size_t nbOfFaces=std::count(begin,end,-1)+1;
8101 std::vector<bool> isPerm(nbOfFaces,false);//field on faces False: I don't know, True : oriented
8103 int *bgFace=begin,*endFace=std::find(begin+1,end,-1);
8104 std::size_t nbOfEdgesInFace=std::distance(bgFace,endFace);
8105 for(std::size_t l=0;l<nbOfEdgesInFace;l++) { std::pair<int,int> p1(bgFace[l],bgFace[(l+1)%nbOfEdgesInFace]); edgesOK.push_back(p1); }
8107 while(std::find(isPerm.begin(),isPerm.end(),false)!=isPerm.end())
8110 std::size_t smthChanged=0;
8111 for(std::size_t i=0;i<nbOfFaces;i++)
8113 endFace=std::find(bgFace+1,end,-1);
8114 nbOfEdgesInFace=std::distance(bgFace,endFace);
8118 for(std::size_t j=0;j<nbOfEdgesInFace;j++)
8120 std::pair<int,int> p1(bgFace[j],bgFace[(j+1)%nbOfEdgesInFace]);
8121 std::pair<int,int> p2(p1.second,p1.first);
8122 bool b1=std::find(edgesOK.begin(),edgesOK.end(),p1)!=edgesOK.end();
8123 bool b2=std::find(edgesOK.begin(),edgesOK.end(),p2)!=edgesOK.end();
8124 if(b1 || b2) { b=b2; isPerm[i]=true; smthChanged++; break; }
8129 std::reverse(bgFace+1,endFace);
8130 for(std::size_t j=0;j<nbOfEdgesInFace;j++)
8132 std::pair<int,int> p1(bgFace[j],bgFace[(j+1)%nbOfEdgesInFace]);
8133 std::pair<int,int> p2(p1.second,p1.first);
8134 if(std::find(edgesOK.begin(),edgesOK.end(),p1)!=edgesOK.end())
8135 { std::ostringstream oss; oss << "Face #" << j << " of polyhedron looks bad !"; throw INTERP_KERNEL::Exception(oss.str().c_str()); }
8136 if(std::find(edgesFinished.begin(),edgesFinished.end(),p1)!=edgesFinished.end() || std::find(edgesFinished.begin(),edgesFinished.end(),p2)!=edgesFinished.end())
8137 { std::ostringstream oss; oss << "Face #" << j << " of polyhedron looks bad !"; throw INTERP_KERNEL::Exception(oss.str().c_str()); }
8138 std::list< std::pair<int,int> >::iterator it=std::find(edgesOK.begin(),edgesOK.end(),p2);
8139 if(it!=edgesOK.end())
8142 edgesFinished.push_back(p1);
8145 edgesOK.push_back(p1);
8152 { throw INTERP_KERNEL::Exception("The polyhedron looks too bad to be repaired !"); }
8154 if(!edgesOK.empty())
8155 { throw INTERP_KERNEL::Exception("The polyhedron looks too bad to be repaired : Some edges are shared only once !"); }
8156 if(INTERP_KERNEL::calculateVolumeForPolyh2<int,INTERP_KERNEL::ALL_C_MODE>(begin,(int)std::distance(begin,end),coords)<-EPS_FOR_POLYH_ORIENTATION)
8157 {//not lucky ! The first face was not correctly oriented : reorient all faces...
8159 for(std::size_t i=0;i<nbOfFaces;i++)
8161 endFace=std::find(bgFace+1,end,-1);
8162 std::reverse(bgFace+1,endFace);
8169 * This method makes the assumption spacedimension == meshdimension == 2.
8170 * This method works only for linear cells.
8172 * \return a newly allocated array containing the connectivity of a polygon type enum included (NORM_POLYGON in pos#0)
8174 DataArrayInt *MEDCouplingUMesh::buildUnionOf2DMesh() const
8176 if(getMeshDimension()!=2 || getSpaceDimension()!=2)
8177 throw INTERP_KERNEL::Exception("MEDCouplingUMesh::buildUnionOf2DMesh : meshdimension, spacedimension must be equal to 2 !");
8178 MEDCouplingAutoRefCountObjectPtr<MEDCouplingUMesh> m=computeSkin();
8179 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> o2n=m->zipCoordsTraducer();
8180 int nbOfNodesExpected=m->getNumberOfNodes();
8181 if(m->getNumberOfCells()!=nbOfNodesExpected)
8182 throw INTERP_KERNEL::Exception("MEDCouplingUMesh::buildUnionOf2DMesh : the mesh 2D in input appears to be not in a single part or a quadratic 2D mesh !");
8183 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> n2o=o2n->invertArrayO2N2N2O(m->getNumberOfNodes());
8184 const int *n2oPtr=n2o->getConstPointer();
8185 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> revNodal(DataArrayInt::New()),revNodalI(DataArrayInt::New());
8186 m->getReverseNodalConnectivity(revNodal,revNodalI);
8187 const int *revNodalPtr=revNodal->getConstPointer(),*revNodalIPtr=revNodalI->getConstPointer();
8188 const int *nodalPtr=m->getNodalConnectivity()->getConstPointer();
8189 const int *nodalIPtr=m->getNodalConnectivityIndex()->getConstPointer();
8190 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> ret=DataArrayInt::New(); ret->alloc(nbOfNodesExpected+1,1);
8191 int *work=ret->getPointer(); *work++=INTERP_KERNEL::NORM_POLYGON;
8192 if(nbOfNodesExpected<1)
8195 int prevNode=nodalPtr[nodalIPtr[0]+1];
8196 *work++=n2oPtr[prevNode];
8197 for(int i=1;i<nbOfNodesExpected;i++)
8199 if(nodalIPtr[prevCell+1]-nodalIPtr[prevCell]==3)
8201 std::set<int> conn(nodalPtr+nodalIPtr[prevCell]+1,nodalPtr+nodalIPtr[prevCell]+3);
8202 conn.erase(prevNode);
8205 int curNode=*(conn.begin());
8206 *work++=n2oPtr[curNode];
8207 std::set<int> shar(revNodalPtr+revNodalIPtr[curNode],revNodalPtr+revNodalIPtr[curNode+1]);
8208 shar.erase(prevCell);
8211 prevCell=*(shar.begin());
8215 throw INTERP_KERNEL::Exception("MEDCouplingUMesh::buildUnionOf2DMesh : presence of unexpected 2 !");
8218 throw INTERP_KERNEL::Exception("MEDCouplingUMesh::buildUnionOf2DMesh : presence of unexpected 1 !");
8221 throw INTERP_KERNEL::Exception("MEDCouplingUMesh::buildUnionOf2DMesh : presence of unexpected cell !");
8227 * This method makes the assumption spacedimension == meshdimension == 3.
8228 * This method works only for linear cells.
8230 * \return a newly allocated array containing the connectivity of a polygon type enum included (NORM_POLYHED in pos#0)
8232 DataArrayInt *MEDCouplingUMesh::buildUnionOf3DMesh() const
8234 if(getMeshDimension()!=3 || getSpaceDimension()!=3)
8235 throw INTERP_KERNEL::Exception("MEDCouplingUMesh::buildUnionOf3DMesh : meshdimension, spacedimension must be equal to 2 !");
8236 MEDCouplingAutoRefCountObjectPtr<MEDCouplingUMesh> m=computeSkin();
8237 const int *conn=m->getNodalConnectivity()->getConstPointer();
8238 const int *connI=m->getNodalConnectivityIndex()->getConstPointer();
8239 int nbOfCells=m->getNumberOfCells();
8240 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> ret=DataArrayInt::New(); ret->alloc(m->getNodalConnectivity()->getNumberOfTuples(),1);
8241 int *work=ret->getPointer(); *work++=INTERP_KERNEL::NORM_POLYHED;
8244 work=std::copy(conn+connI[0]+1,conn+connI[1],work);
8245 for(int i=1;i<nbOfCells;i++)
8248 work=std::copy(conn+connI[i]+1,conn+connI[i+1],work);
8254 * This method put in zip format into parameter 'zipFrmt' in full interlace mode.
8255 * This format is often asked by INTERP_KERNEL algorithms to avoid many indirections into coordinates array.
8257 void MEDCouplingUMesh::FillInCompact3DMode(int spaceDim, int nbOfNodesInCell, const int *conn, const double *coo, double *zipFrmt)
8261 for(int i=0;i<nbOfNodesInCell;i++)
8262 w=std::copy(coo+3*conn[i],coo+3*conn[i]+3,w);
8263 else if(spaceDim==2)
8265 for(int i=0;i<nbOfNodesInCell;i++)
8267 w=std::copy(coo+2*conn[i],coo+2*conn[i]+2,w);
8272 throw INTERP_KERNEL::Exception("MEDCouplingUMesh::FillInCompact3DMode : Invalid spaceDim specified : must be 2 or 3 !");
8275 void MEDCouplingUMesh::writeVTKLL(std::ostream& ofs, const std::string& cellData, const std::string& pointData, DataArrayByte *byteData) const
8277 int nbOfCells=getNumberOfCells();
8279 throw INTERP_KERNEL::Exception("MEDCouplingUMesh::writeVTK : the unstructured mesh has no cells !");
8280 static const int PARAMEDMEM2VTKTYPETRADUCER[INTERP_KERNEL::NORM_MAXTYPE+1]={1,3,21,5,9,7,22,34,23,28,-1,-1,-1,-1,10,14,13,-1,12,-1,24,-1,16,27,-1,26,-1,29,-1,-1,25,42,36,4};
8281 ofs << " <" << getVTKDataSetType() << ">\n";
8282 ofs << " <Piece NumberOfPoints=\"" << getNumberOfNodes() << "\" NumberOfCells=\"" << nbOfCells << "\">\n";
8283 ofs << " <PointData>\n" << pointData << std::endl;
8284 ofs << " </PointData>\n";
8285 ofs << " <CellData>\n" << cellData << std::endl;
8286 ofs << " </CellData>\n";
8287 ofs << " <Points>\n";
8288 if(getSpaceDimension()==3)
8289 _coords->writeVTK(ofs,8,"Points",byteData);
8292 MEDCouplingAutoRefCountObjectPtr<DataArrayDouble> coo=_coords->changeNbOfComponents(3,0.);
8293 coo->writeVTK(ofs,8,"Points",byteData);
8295 ofs << " </Points>\n";
8296 ofs << " <Cells>\n";
8297 const int *cPtr=_nodal_connec->getConstPointer();
8298 const int *cIPtr=_nodal_connec_index->getConstPointer();
8299 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> faceoffsets=DataArrayInt::New(); faceoffsets->alloc(nbOfCells,1);
8300 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> types=DataArrayInt::New(); types->alloc(nbOfCells,1);
8301 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> offsets=DataArrayInt::New(); offsets->alloc(nbOfCells,1);
8302 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> connectivity=DataArrayInt::New(); connectivity->alloc(_nodal_connec->getNumberOfTuples()-nbOfCells,1);
8303 int *w1=faceoffsets->getPointer(),*w2=types->getPointer(),*w3=offsets->getPointer(),*w4=connectivity->getPointer();
8304 int szFaceOffsets=0,szConn=0;
8305 for(int i=0;i<nbOfCells;i++,w1++,w2++,w3++)
8308 if((INTERP_KERNEL::NormalizedCellType)cPtr[cIPtr[i]]!=INTERP_KERNEL::NORM_POLYHED)
8311 *w3=szConn+cIPtr[i+1]-cIPtr[i]-1; szConn+=cIPtr[i+1]-cIPtr[i]-1;
8312 w4=std::copy(cPtr+cIPtr[i]+1,cPtr+cIPtr[i+1],w4);
8316 int deltaFaceOffset=cIPtr[i+1]-cIPtr[i]+1;
8317 *w1=szFaceOffsets+deltaFaceOffset; szFaceOffsets+=deltaFaceOffset;
8318 std::set<int> c(cPtr+cIPtr[i]+1,cPtr+cIPtr[i+1]); c.erase(-1);
8319 *w3=szConn+(int)c.size(); szConn+=(int)c.size();
8320 w4=std::copy(c.begin(),c.end(),w4);
8323 types->transformWithIndArr(PARAMEDMEM2VTKTYPETRADUCER,PARAMEDMEM2VTKTYPETRADUCER+INTERP_KERNEL::NORM_MAXTYPE);
8324 types->writeVTK(ofs,8,"UInt8","types",byteData);
8325 offsets->writeVTK(ofs,8,"Int32","offsets",byteData);
8326 if(szFaceOffsets!=0)
8327 {//presence of Polyhedra
8328 connectivity->reAlloc(szConn);
8329 faceoffsets->writeVTK(ofs,8,"Int32","faceoffsets",byteData);
8330 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> faces=DataArrayInt::New(); faces->alloc(szFaceOffsets,1);
8331 w1=faces->getPointer();
8332 for(int i=0;i<nbOfCells;i++)
8333 if((INTERP_KERNEL::NormalizedCellType)cPtr[cIPtr[i]]==INTERP_KERNEL::NORM_POLYHED)
8335 int nbFaces=std::count(cPtr+cIPtr[i]+1,cPtr+cIPtr[i+1],-1)+1;
8337 const int *w6=cPtr+cIPtr[i]+1,*w5=0;
8338 for(int j=0;j<nbFaces;j++)
8340 w5=std::find(w6,cPtr+cIPtr[i+1],-1);
8341 *w1++=(int)std::distance(w6,w5);
8342 w1=std::copy(w6,w5,w1);
8346 faces->writeVTK(ofs,8,"Int32","faces",byteData);
8348 connectivity->writeVTK(ofs,8,"Int32","connectivity",byteData);
8349 ofs << " </Cells>\n";
8350 ofs << " </Piece>\n";
8351 ofs << " </" << getVTKDataSetType() << ">\n";
8354 void MEDCouplingUMesh::reprQuickOverview(std::ostream& stream) const
8356 stream << "MEDCouplingUMesh C++ instance at " << this << ". Name : \"" << getName() << "\".";
8358 { stream << " Not set !"; return ; }
8359 stream << " Mesh dimension : " << _mesh_dim << ".";
8363 { stream << " No coordinates set !"; return ; }
8364 if(!_coords->isAllocated())
8365 { stream << " Coordinates set but not allocated !"; return ; }
8366 stream << " Space dimension : " << _coords->getNumberOfComponents() << "." << std::endl;
8367 stream << "Number of nodes : " << _coords->getNumberOfTuples() << ".";
8368 if(!_nodal_connec_index)
8369 { stream << std::endl << "Nodal connectivity NOT set !"; return ; }
8370 if(!_nodal_connec_index->isAllocated())
8371 { stream << std::endl << "Nodal connectivity set but not allocated !"; return ; }
8372 int lgth=_nodal_connec_index->getNumberOfTuples();
8373 int cpt=_nodal_connec_index->getNumberOfComponents();
8374 if(cpt!=1 || lgth<1)
8376 stream << std::endl << "Number of cells : " << lgth-1 << ".";
8379 std::string MEDCouplingUMesh::getVTKDataSetType() const
8381 return std::string("UnstructuredGrid");
8385 * Partitions the first given 2D mesh using the second given 2D mesh as a tool, and
8386 * returns a result mesh constituted by polygons. The meshes should be in 2D space. In
8387 * addition, returns two arrays mapping cells of the result mesh to cells of the input
8389 * \param [in] m1 - the first input mesh which is a partitioned object.
8390 * \param [in] m2 - the second input mesh which is a partition tool.
8391 * \param [in] eps - precision used to detect coincident mesh entities.
8392 * \param [out] cellNb1 - a new instance of DataArrayInt holding for each result
8393 * cell an id of the cell of \a m1 it comes from. The caller is to delete
8394 * this array using decrRef() as it is no more needed.
8395 * \param [out] cellNb2 - a new instance of DataArrayInt holding for each result
8396 * cell an id of the cell of \a m2 it comes from. -1 value means that a
8397 * result cell comes from a cell (or part of cell) of \a m1 not overlapped by
8398 * any cell of \a m2. The caller is to delete this array using decrRef() as
8399 * it is no more needed.
8400 * \return MEDCouplingUMesh * - the result 2D mesh which is a new instance of
8401 * MEDCouplingUMesh. The caller is to delete this mesh using decrRef() as it
8402 * is no more needed.
8403 * \throw If the coordinates array is not set in any of the meshes.
8404 * \throw If the nodal connectivity of cells is not defined in any of the meshes.
8405 * \throw If any of the meshes is not a 2D mesh in 2D space.
8407 MEDCouplingUMesh *MEDCouplingUMesh::Intersect2DMeshes(const MEDCouplingUMesh *m1, const MEDCouplingUMesh *m2, double eps, DataArrayInt *&cellNb1, DataArrayInt *&cellNb2)
8409 m1->checkFullyDefined();
8410 m2->checkFullyDefined();
8411 if(m1->getMeshDimension()!=2 || m1->getSpaceDimension()!=2 || m2->getMeshDimension()!=2 || m2->getSpaceDimension()!=2)
8412 throw INTERP_KERNEL::Exception("MEDCouplingUMesh::Intersect2DMeshes works on umeshes m1 AND m2 with meshdim equal to 2 and spaceDim equal to 2 too!");
8413 std::vector< std::vector<int> > intersectEdge1, colinear2, subDiv2;
8414 MEDCouplingUMesh *m1Desc=0,*m2Desc=0;
8415 DataArrayInt *desc1=0,*descIndx1=0,*revDesc1=0,*revDescIndx1=0,*desc2=0,*descIndx2=0,*revDesc2=0,*revDescIndx2=0;
8416 std::vector<double> addCoo,addCoordsQuadratic;
8417 INTERP_KERNEL::QUADRATIC_PLANAR::_precision=eps;
8418 INTERP_KERNEL::QUADRATIC_PLANAR::_arc_detection_precision=eps;
8419 IntersectDescending2DMeshes(m1,m2,eps,intersectEdge1,colinear2, subDiv2,m1Desc,desc1,descIndx1,revDesc1,revDescIndx1,
8420 m2Desc,desc2,descIndx2,revDesc2,revDescIndx2,addCoo);
8421 revDesc1->decrRef(); revDescIndx1->decrRef(); revDesc2->decrRef(); revDescIndx2->decrRef();
8422 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> dd1(desc1),dd2(descIndx1),dd3(desc2),dd4(descIndx2);
8423 MEDCouplingAutoRefCountObjectPtr<MEDCouplingUMesh> dd5(m1Desc),dd6(m2Desc);
8424 std::vector< std::vector<int> > intersectEdge2;
8425 BuildIntersectEdges(m1Desc,m2Desc,addCoo,subDiv2,intersectEdge2);
8426 subDiv2.clear(); dd5=0; dd6=0;
8427 std::vector<int> cr,crI; //no DataArrayInt because interface with Geometric2D
8428 std::vector<int> cNb1,cNb2; //no DataArrayInt because interface with Geometric2D
8429 BuildIntersecting2DCellsFromEdges(eps,m1,desc1->getConstPointer(),descIndx1->getConstPointer(),intersectEdge1,colinear2,m2,desc2->getConstPointer(),descIndx2->getConstPointer(),intersectEdge2,addCoo,
8430 /* outputs -> */addCoordsQuadratic,cr,crI,cNb1,cNb2);
8432 MEDCouplingAutoRefCountObjectPtr<DataArrayDouble> addCooDa=DataArrayDouble::New();
8433 addCooDa->alloc((int)(addCoo.size())/2,2);
8434 std::copy(addCoo.begin(),addCoo.end(),addCooDa->getPointer());
8435 MEDCouplingAutoRefCountObjectPtr<DataArrayDouble> addCoordsQuadraticDa=DataArrayDouble::New();
8436 addCoordsQuadraticDa->alloc((int)(addCoordsQuadratic.size())/2,2);
8437 std::copy(addCoordsQuadratic.begin(),addCoordsQuadratic.end(),addCoordsQuadraticDa->getPointer());
8438 std::vector<const DataArrayDouble *> coordss(4);
8439 coordss[0]=m1->getCoords(); coordss[1]=m2->getCoords(); coordss[2]=addCooDa; coordss[3]=addCoordsQuadraticDa;
8440 MEDCouplingAutoRefCountObjectPtr<DataArrayDouble> coo=DataArrayDouble::Aggregate(coordss);
8441 MEDCouplingAutoRefCountObjectPtr<MEDCouplingUMesh> ret=MEDCouplingUMesh::New("Intersect2D",2);
8442 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> conn=DataArrayInt::New(); conn->alloc((int)cr.size(),1); std::copy(cr.begin(),cr.end(),conn->getPointer());
8443 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> connI=DataArrayInt::New(); connI->alloc((int)crI.size(),1); std::copy(crI.begin(),crI.end(),connI->getPointer());
8444 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> c1=DataArrayInt::New(); c1->alloc((int)cNb1.size(),1); std::copy(cNb1.begin(),cNb1.end(),c1->getPointer());
8445 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> c2=DataArrayInt::New(); c2->alloc((int)cNb2.size(),1); std::copy(cNb2.begin(),cNb2.end(),c2->getPointer());
8446 ret->setConnectivity(conn,connI,true);
8447 ret->setCoords(coo);
8448 cellNb1=c1.retn(); cellNb2=c2.retn();
8452 void MEDCouplingUMesh::BuildIntersecting2DCellsFromEdges(double eps, const MEDCouplingUMesh *m1, const int *desc1, const int *descIndx1,
8453 const std::vector<std::vector<int> >& intesctEdges1, const std::vector< std::vector<int> >& colinear2,
8454 const MEDCouplingUMesh *m2, const int *desc2, const int *descIndx2, const std::vector<std::vector<int> >& intesctEdges2,
8455 const std::vector<double>& addCoords,
8456 std::vector<double>& addCoordsQuadratic, std::vector<int>& cr, std::vector<int>& crI, std::vector<int>& cNb1, std::vector<int>& cNb2)
8458 static const int SPACEDIM=2;
8459 const double *coo1=m1->getCoords()->getConstPointer();
8460 const int *conn1=m1->getNodalConnectivity()->getConstPointer();
8461 const int *connI1=m1->getNodalConnectivityIndex()->getConstPointer();
8462 int offset1=m1->getNumberOfNodes();
8463 const double *coo2=m2->getCoords()->getConstPointer();
8464 const int *conn2=m2->getNodalConnectivity()->getConstPointer();
8465 const int *connI2=m2->getNodalConnectivityIndex()->getConstPointer();
8466 int offset2=offset1+m2->getNumberOfNodes();
8467 int offset3=offset2+((int)addCoords.size())/2;
8468 MEDCouplingAutoRefCountObjectPtr<DataArrayDouble> bbox1Arr(m1->getBoundingBoxForBBTree()),bbox2Arr(m2->getBoundingBoxForBBTree());
8469 const double *bbox1(bbox1Arr->begin()),*bbox2(bbox2Arr->begin());
8470 BBTree<SPACEDIM,int> myTree(bbox2,0,0,m2->getNumberOfCells(),eps);
8471 int ncell1=m1->getNumberOfCells();
8473 for(int i=0;i<ncell1;i++)
8475 std::vector<int> candidates2;
8476 myTree.getIntersectingElems(bbox1+i*2*SPACEDIM,candidates2);
8477 std::map<INTERP_KERNEL::Node *,int> mapp;
8478 std::map<int,INTERP_KERNEL::Node *> mappRev;
8479 INTERP_KERNEL::QuadraticPolygon pol1;
8480 INTERP_KERNEL::NormalizedCellType typ=(INTERP_KERNEL::NormalizedCellType)conn1[connI1[i]];
8481 const INTERP_KERNEL::CellModel& cm=INTERP_KERNEL::CellModel::GetCellModel(typ);
8482 MEDCouplingUMeshBuildQPFromMesh3(coo1,offset1,coo2,offset2,addCoords,desc1+descIndx1[i],desc1+descIndx1[i+1],intesctEdges1,/* output */mapp,mappRev);
8483 pol1.buildFromCrudeDataArray(mappRev,cm.isQuadratic(),conn1+connI1[i]+1,coo1,
8484 desc1+descIndx1[i],desc1+descIndx1[i+1],intesctEdges1);
8486 std::set<INTERP_KERNEL::Edge *> edges1;// store all edges of pol1 that are NOT consumed by intersect cells. If any after iteration over candidates2 -> a part of pol1 should appear in result
8487 std::set<INTERP_KERNEL::Edge *> edgesBoundary2;// store all edges that are on boundary of (pol2 intersect pol1) minus edges on pol1.
8488 INTERP_KERNEL::IteratorOnComposedEdge it1(&pol1);
8489 for(it1.first();!it1.finished();it1.next())
8490 edges1.insert(it1.current()->getPtr());
8492 std::map<int,std::vector<INTERP_KERNEL::ElementaryEdge *> > edgesIn2ForShare;
8493 std::vector<INTERP_KERNEL::QuadraticPolygon> pol2s(candidates2.size());
8495 for(std::vector<int>::const_iterator it2=candidates2.begin();it2!=candidates2.end();it2++,ii++)
8497 INTERP_KERNEL::NormalizedCellType typ2=(INTERP_KERNEL::NormalizedCellType)conn2[connI2[*it2]];
8498 const INTERP_KERNEL::CellModel& cm2=INTERP_KERNEL::CellModel::GetCellModel(typ2);
8499 MEDCouplingUMeshBuildQPFromMesh3(coo1,offset1,coo2,offset2,addCoords,desc2+descIndx2[*it2],desc2+descIndx2[*it2+1],intesctEdges2,/* output */mapp,mappRev);
8500 pol2s[ii].buildFromCrudeDataArray2(mappRev,cm2.isQuadratic(),conn2+connI2[*it2]+1,coo2,desc2+descIndx2[*it2],desc2+descIndx2[*it2+1],intesctEdges2,
8501 pol1,desc1+descIndx1[i],desc1+descIndx1[i+1],intesctEdges1,colinear2,edgesIn2ForShare);
8504 for(std::vector<int>::const_iterator it2=candidates2.begin();it2!=candidates2.end();it2++,ii++)
8506 pol1.initLocationsWithOther(pol2s[ii]);
8507 pol2s[ii].updateLocOfEdgeFromCrudeDataArray2(desc2+descIndx2[*it2],desc2+descIndx2[*it2+1],intesctEdges2,pol1,desc1+descIndx1[i],desc1+descIndx1[i+1],intesctEdges1,colinear2);
8508 //MEDCouplingUMeshAssignOnLoc(pol1,pol2,desc1+descIndx1[i],desc1+descIndx1[i+1],intesctEdges1,desc2+descIndx2[*it2],desc2+descIndx2[*it2+1],intesctEdges2,colinear2);
8509 pol1.buildPartitionsAbs(pol2s[ii],edges1,edgesBoundary2,mapp,i,*it2,offset3,addCoordsQuadratic,cr,crI,cNb1,cNb2);
8515 INTERP_KERNEL::QuadraticPolygon::ComputeResidual(pol1,edges1,edgesBoundary2,mapp,offset3,i,addCoordsQuadratic,cr,crI,cNb1,cNb2);
8517 catch(INTERP_KERNEL::Exception& e)
8519 std::ostringstream oss; oss << "Error when computing residual of cell #" << i << " in source/m1 mesh ! Maybe the neighbours of this cell in mesh are not well connected !\n" << "The deep reason is the following : " << e.what();
8520 throw INTERP_KERNEL::Exception(oss.str().c_str());
8523 for(std::map<int,INTERP_KERNEL::Node *>::const_iterator it=mappRev.begin();it!=mappRev.end();it++)
8524 (*it).second->decrRef();
8529 * This method is private and is the first step of Partition of 2D mesh (spaceDim==2 and meshDim==2).
8532 void MEDCouplingUMesh::IntersectDescending2DMeshes(const MEDCouplingUMesh *m1, const MEDCouplingUMesh *m2, double eps,
8533 std::vector< std::vector<int> >& intersectEdge1, std::vector< std::vector<int> >& colinear2, std::vector< std::vector<int> >& subDiv2,
8534 MEDCouplingUMesh *& m1Desc, DataArrayInt *&desc1, DataArrayInt *&descIndx1, DataArrayInt *&revDesc1, DataArrayInt *&revDescIndx1,
8535 MEDCouplingUMesh *& m2Desc, DataArrayInt *&desc2, DataArrayInt *&descIndx2, DataArrayInt *&revDesc2, DataArrayInt *&revDescIndx2,
8536 std::vector<double>& addCoo) throw(INTERP_KERNEL::Exception)
8538 static const int SPACEDIM=2;
8539 desc1=DataArrayInt::New(); descIndx1=DataArrayInt::New(); revDesc1=DataArrayInt::New(); revDescIndx1=DataArrayInt::New();
8540 desc2=DataArrayInt::New();
8541 descIndx2=DataArrayInt::New();
8542 revDesc2=DataArrayInt::New();
8543 revDescIndx2=DataArrayInt::New();
8544 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> dd1(desc1),dd2(descIndx1),dd3(revDesc1),dd4(revDescIndx1);
8545 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> dd5(desc2),dd6(descIndx2),dd7(revDesc2),dd8(revDescIndx2);
8546 m1Desc=m1->buildDescendingConnectivity2(desc1,descIndx1,revDesc1,revDescIndx1);
8547 m2Desc=m2->buildDescendingConnectivity2(desc2,descIndx2,revDesc2,revDescIndx2);
8548 MEDCouplingAutoRefCountObjectPtr<MEDCouplingUMesh> dd9(m1Desc),dd10(m2Desc);
8549 const int *c1=m1Desc->getNodalConnectivity()->getConstPointer();
8550 const int *ci1=m1Desc->getNodalConnectivityIndex()->getConstPointer();
8551 MEDCouplingAutoRefCountObjectPtr<DataArrayDouble> bbox1Arr(m1Desc->getBoundingBoxForBBTree()),bbox2Arr(m2Desc->getBoundingBoxForBBTree());
8552 const double *bbox1(bbox1Arr->begin()),*bbox2(bbox2Arr->begin());
8553 int ncell1=m1Desc->getNumberOfCells();
8554 int ncell2=m2Desc->getNumberOfCells();
8555 intersectEdge1.resize(ncell1);
8556 colinear2.resize(ncell2);
8557 subDiv2.resize(ncell2);
8558 BBTree<SPACEDIM,int> myTree(bbox2,0,0,m2Desc->getNumberOfCells(),-eps);
8559 std::vector<int> candidates1(1);
8560 int offset1=m1->getNumberOfNodes();
8561 int offset2=offset1+m2->getNumberOfNodes();
8562 for(int i=0;i<ncell1;i++)
8564 std::vector<int> candidates2;
8565 myTree.getIntersectingElems(bbox1+i*2*SPACEDIM,candidates2);
8566 if(!candidates2.empty())
8568 std::map<INTERP_KERNEL::Node *,int> map1,map2;
8569 INTERP_KERNEL::QuadraticPolygon *pol2=MEDCouplingUMeshBuildQPFromMesh(m2Desc,candidates2,map2);
8571 INTERP_KERNEL::QuadraticPolygon *pol1=MEDCouplingUMeshBuildQPFromMesh(m1Desc,candidates1,map1);
8572 // this following part is to avoid that a some remove nodes (for example due to a merge between pol1 and pol2) can be replaced by a newlt created one
8573 // This trick garanties that Node * are discriminant
8574 std::set<INTERP_KERNEL::Node *> nodes;
8575 pol1->getAllNodes(nodes); pol2->getAllNodes(nodes);
8576 std::size_t szz(nodes.size());
8577 std::vector< MEDCouplingAutoRefCountObjectPtr<INTERP_KERNEL::Node> > nodesSafe(szz);
8578 std::set<INTERP_KERNEL::Node *>::const_iterator itt(nodes.begin());
8579 for(std::size_t iii=0;iii<szz;iii++,itt++)
8580 { (*itt)->incrRef(); nodesSafe[iii]=*itt; }
8581 // end of protection
8582 pol1->splitAbs(*pol2,map1,map2,offset1,offset2,candidates2,intersectEdge1[i],i,colinear2,subDiv2,addCoo);
8587 intersectEdge1[i].insert(intersectEdge1[i].end(),c1+ci1[i]+1,c1+ci1[i+1]);
8589 m1Desc->incrRef(); desc1->incrRef(); descIndx1->incrRef(); revDesc1->incrRef(); revDescIndx1->incrRef();
8590 m2Desc->incrRef(); desc2->incrRef(); descIndx2->incrRef(); revDesc2->incrRef(); revDescIndx2->incrRef();
8594 * This method performs the 2nd step of Partition of 2D mesh.
8595 * This method has 4 inputs :
8596 * - a mesh 'm1' with meshDim==1 and a SpaceDim==2
8597 * - a mesh 'm2' with meshDim==1 and a SpaceDim==2
8598 * - subDiv of size 'm2->getNumberOfCells()' that lists for each seg cell in 'm' the splitting node ids in randomly sorted.
8599 * The aim of this method is to sort the splitting nodes, if any, and to put in 'intersectEdge' output paramter based on edges of mesh 'm2'
8600 * \param m1 is expected to be a mesh of meshDimension equal to 1 and spaceDim equal to 2. No check of that is performed by this method. Only present for its coords in case of 'subDiv' shares some nodes of 'm1'
8601 * \param m2 is expected to be a mesh of meshDimension equal to 1 and spaceDim equal to 2. No check of that is performed by this method.
8602 * \param addCoo input parameter with additionnal nodes linked to intersection of the 2 meshes.
8604 void MEDCouplingUMesh::BuildIntersectEdges(const MEDCouplingUMesh *m1, const MEDCouplingUMesh *m2, const std::vector<double>& addCoo, const std::vector< std::vector<int> >& subDiv, std::vector< std::vector<int> >& intersectEdge)
8606 int offset1=m1->getNumberOfNodes();
8607 int ncell=m2->getNumberOfCells();
8608 const int *c=m2->getNodalConnectivity()->getConstPointer();
8609 const int *cI=m2->getNodalConnectivityIndex()->getConstPointer();
8610 const double *coo=m2->getCoords()->getConstPointer();
8611 const double *cooBis=m1->getCoords()->getConstPointer();
8612 int offset2=offset1+m2->getNumberOfNodes();
8613 intersectEdge.resize(ncell);
8614 for(int i=0;i<ncell;i++,cI++)
8616 const std::vector<int>& divs=subDiv[i];
8617 int nnode=cI[1]-cI[0]-1;
8618 std::map<int, std::pair<INTERP_KERNEL::Node *,bool> > mapp2;
8619 std::map<INTERP_KERNEL::Node *, int> mapp22;
8620 for(int j=0;j<nnode;j++)
8622 INTERP_KERNEL::Node *nn=new INTERP_KERNEL::Node(coo[2*c[(*cI)+j+1]],coo[2*c[(*cI)+j+1]+1]);
8623 int nnid=c[(*cI)+j+1];
8624 mapp2[nnid]=std::pair<INTERP_KERNEL::Node *,bool>(nn,true);
8625 mapp22[nn]=nnid+offset1;
8627 INTERP_KERNEL::Edge *e=MEDCouplingUMeshBuildQPFromEdge((INTERP_KERNEL::NormalizedCellType)c[*cI],mapp2,c+(*cI)+1);
8628 for(std::map<int, std::pair<INTERP_KERNEL::Node *,bool> >::const_iterator it=mapp2.begin();it!=mapp2.end();it++)
8629 ((*it).second.first)->decrRef();
8630 std::vector<INTERP_KERNEL::Node *> addNodes(divs.size());
8631 std::map<INTERP_KERNEL::Node *,int> mapp3;
8632 for(std::size_t j=0;j<divs.size();j++)
8635 INTERP_KERNEL::Node *tmp=0;
8637 tmp=new INTERP_KERNEL::Node(cooBis[2*id],cooBis[2*id+1]);
8639 tmp=new INTERP_KERNEL::Node(coo[2*(id-offset1)],coo[2*(id-offset1)+1]);//if it happens, bad news mesh 'm2' is non conform.
8641 tmp=new INTERP_KERNEL::Node(addCoo[2*(id-offset2)],addCoo[2*(id-offset2)+1]);
8645 e->sortIdsAbs(addNodes,mapp22,mapp3,intersectEdge[i]);
8646 for(std::vector<INTERP_KERNEL::Node *>::const_iterator it=addNodes.begin();it!=addNodes.end();it++)
8653 * This method is part of the Slice3D algorithm. It is the first step of assembly process, ones coordinates have been computed (by MEDCouplingUMesh::split3DCurveWithPlane method).
8654 * This method allows to compute given the status of 3D curve cells and the descending connectivity 3DSurf->3DCurve to deduce the intersection of each 3D surf cells
8655 * with a plane. The result will be put in 'cut3DSuf' out parameter.
8656 * \param [in] cut3DCurve input paramter that gives for each 3DCurve cell if it owns fully to the plane or partially.
8657 * \param [out] nodesOnPlane, returns all the nodes that are on the plane.
8658 * \param [in] nodal3DSurf is the nodal connectivity of 3D surf mesh.
8659 * \param [in] nodalIndx3DSurf is the nodal connectivity index of 3D surf mesh.
8660 * \param [in] nodal3DCurve is the nodal connectivity of 3D curve mesh.
8661 * \param [in] nodal3DIndxCurve is the nodal connectivity index of 3D curve mesh.
8662 * \param [in] desc is the descending connectivity 3DSurf->3DCurve
8663 * \param [in] descIndx is the descending connectivity index 3DSurf->3DCurve
8664 * \param [out] cut3DSuf input/output param.
8666 void MEDCouplingUMesh::AssemblyForSplitFrom3DCurve(const std::vector<int>& cut3DCurve, std::vector<int>& nodesOnPlane, const int *nodal3DSurf, const int *nodalIndx3DSurf,
8667 const int *nodal3DCurve, const int *nodalIndx3DCurve,
8668 const int *desc, const int *descIndx,
8669 std::vector< std::pair<int,int> >& cut3DSurf) throw(INTERP_KERNEL::Exception)
8671 std::set<int> nodesOnP(nodesOnPlane.begin(),nodesOnPlane.end());
8672 int nbOf3DSurfCell=(int)cut3DSurf.size();
8673 for(int i=0;i<nbOf3DSurfCell;i++)
8675 std::vector<int> res;
8676 int offset=descIndx[i];
8677 int nbOfSeg=descIndx[i+1]-offset;
8678 for(int j=0;j<nbOfSeg;j++)
8680 int edgeId=desc[offset+j];
8681 int status=cut3DCurve[edgeId];
8685 res.push_back(status);
8688 res.push_back(nodal3DCurve[nodalIndx3DCurve[edgeId]+1]);
8689 res.push_back(nodal3DCurve[nodalIndx3DCurve[edgeId]+2]);
8697 cut3DSurf[i].first=res[0]; cut3DSurf[i].second=res[1];
8703 std::set<int> s1(nodal3DSurf+nodalIndx3DSurf[i]+1,nodal3DSurf+nodalIndx3DSurf[i+1]);
8704 std::set_intersection(nodesOnP.begin(),nodesOnP.end(),s1.begin(),s1.end(),std::back_insert_iterator< std::vector<int> >(res));
8707 cut3DSurf[i].first=res[0]; cut3DSurf[i].second=res[1];
8711 cut3DSurf[i].first=-1; cut3DSurf[i].second=-1;
8716 {// case when plane is on a multi colinear edge of a polyhedron
8717 if((int)res.size()==2*nbOfSeg)
8719 cut3DSurf[i].first=-2; cut3DSurf[i].second=i;
8722 throw INTERP_KERNEL::Exception("MEDCouplingUMesh::AssemblyPointsFrom3DCurve : unexpected situation !");
8729 * \a this is expected to be a mesh with spaceDim==3 and meshDim==3. If not an exception will be thrown.
8730 * This method is part of the Slice3D algorithm. It is the second step of assembly process, ones coordinates have been computed (by MEDCouplingUMesh::split3DCurveWithPlane method).
8731 * This method allows to compute given the result of 3D surf cells with plane and the descending connectivity 3D->3DSurf to deduce the intersection of each 3D cells
8732 * with a plane. The result will be put in 'nodalRes' 'nodalResIndx' and 'cellIds' out parameters.
8733 * \param cut3DSurf input paramter that gives for each 3DSurf its intersection with plane (result of MEDCouplingUMesh::AssemblyForSplitFrom3DCurve).
8734 * \param desc is the descending connectivity 3D->3DSurf
8735 * \param descIndx is the descending connectivity index 3D->3DSurf
8737 void MEDCouplingUMesh::assemblyForSplitFrom3DSurf(const std::vector< std::pair<int,int> >& cut3DSurf,
8738 const int *desc, const int *descIndx,
8739 DataArrayInt *nodalRes, DataArrayInt *nodalResIndx, DataArrayInt *cellIds) const throw(INTERP_KERNEL::Exception)
8741 checkFullyDefined();
8742 if(getMeshDimension()!=3 || getSpaceDimension()!=3)
8743 throw INTERP_KERNEL::Exception("MEDCouplingUMesh::assemblyForSplitFrom3DSurf works on umeshes with meshdim equal to 3 and spaceDim equal to 3 too!");
8744 const int *nodal3D=_nodal_connec->getConstPointer();
8745 const int *nodalIndx3D=_nodal_connec_index->getConstPointer();
8746 int nbOfCells=getNumberOfCells();
8747 for(int i=0;i<nbOfCells;i++)
8749 std::map<int, std::set<int> > m;
8750 int offset=descIndx[i];
8751 int nbOfFaces=descIndx[i+1]-offset;
8754 for(int j=0;j<nbOfFaces;j++)
8756 const std::pair<int,int>& p=cut3DSurf[desc[offset+j]];
8757 if(p.first!=-1 && p.second!=-1)
8761 start=p.first; end=p.second;
8762 m[p.first].insert(p.second);
8763 m[p.second].insert(p.first);
8767 const INTERP_KERNEL::CellModel& cm=INTERP_KERNEL::CellModel::GetCellModel((INTERP_KERNEL::NormalizedCellType)nodal3D[nodalIndx3D[i]]);
8768 int sz=nodalIndx3D[i+1]-nodalIndx3D[i]-1;
8769 INTERP_KERNEL::AutoPtr<int> tmp=new int[sz];
8770 INTERP_KERNEL::NormalizedCellType cmsId;
8771 unsigned nbOfNodesSon=cm.fillSonCellNodalConnectivity2(j,nodal3D+nodalIndx3D[i]+1,sz,tmp,cmsId);
8772 start=tmp[0]; end=tmp[nbOfNodesSon-1];
8773 for(unsigned k=0;k<nbOfNodesSon;k++)
8775 m[tmp[k]].insert(tmp[(k+1)%nbOfNodesSon]);
8776 m[tmp[(k+1)%nbOfNodesSon]].insert(tmp[k]);
8783 std::vector<int> conn(1,(int)INTERP_KERNEL::NORM_POLYGON);
8787 std::map<int, std::set<int> >::const_iterator it=m.find(start);
8788 const std::set<int>& s=(*it).second;
8789 std::set<int> s2; s2.insert(prev);
8791 std::set_difference(s.begin(),s.end(),s2.begin(),s2.end(),inserter(s3,s3.begin()));
8794 int val=*s3.begin();
8795 conn.push_back(start);
8802 conn.push_back(end);
8805 nodalRes->insertAtTheEnd(conn.begin(),conn.end());
8806 nodalResIndx->pushBackSilent(nodalRes->getNumberOfTuples());
8807 cellIds->pushBackSilent(i);
8813 * This method compute the convex hull of a single 2D cell. This method tries to conserve at maximum the given input connectivity. In particular, if the orientation of cell is not clockwise
8814 * as in MED format norm. If definitely the result of Jarvis algorithm is not matchable with the input connectivity, the result will be copied into \b nodalConnecOut parameter and
8815 * the geometric cell type set to INTERP_KERNEL::NORM_POLYGON.
8816 * This method excepts that \b coords parameter is expected to be in dimension 2. [ \b nodalConnBg , \b nodalConnEnd ) is the nodal connectivity of the input
8817 * cell (geometric cell type included at the position 0). If the meshdimension of the input cell is not equal to 2 an INTERP_KERNEL::Exception will be thrown.
8819 * \return false if the input connectivity represents already the convex hull, true if the input cell needs to be reordered.
8821 bool MEDCouplingUMesh::BuildConvexEnvelopOf2DCellJarvis(const double *coords, const int *nodalConnBg, const int *nodalConnEnd, DataArrayInt *nodalConnecOut)
8823 std::size_t sz=std::distance(nodalConnBg,nodalConnEnd);
8826 const INTERP_KERNEL::CellModel& cm=INTERP_KERNEL::CellModel::GetCellModel((INTERP_KERNEL::NormalizedCellType)*nodalConnBg);
8827 if(cm.getDimension()==2)
8829 const int *node=nodalConnBg+1;
8830 int startNode=*node++;
8831 double refX=coords[2*startNode];
8832 for(;node!=nodalConnEnd;node++)
8834 if(coords[2*(*node)]<refX)
8837 refX=coords[2*startNode];
8840 std::vector<int> tmpOut; tmpOut.reserve(sz); tmpOut.push_back(startNode);
8844 double angle0=-M_PI/2;
8849 double angleNext=0.;
8850 while(nextNode!=startNode)
8854 for(node=nodalConnBg+1;node!=nodalConnEnd;node++)
8856 if(*node!=tmpOut.back() && *node!=prevNode)
8858 tmp2[0]=coords[2*(*node)]-coords[2*tmpOut.back()]; tmp2[1]=coords[2*(*node)+1]-coords[2*tmpOut.back()+1];
8859 double angleM=INTERP_KERNEL::EdgeArcCircle::GetAbsoluteAngle(tmp2,tmp1);
8864 res=angle0-angleM+2.*M_PI;
8873 if(nextNode!=startNode)
8875 angle0=angleNext-M_PI;
8878 prevNode=tmpOut.back();
8879 tmpOut.push_back(nextNode);
8882 std::vector<int> tmp3(2*(sz-1));
8883 std::vector<int>::iterator it=std::copy(nodalConnBg+1,nodalConnEnd,tmp3.begin());
8884 std::copy(nodalConnBg+1,nodalConnEnd,it);
8885 if(std::search(tmp3.begin(),tmp3.end(),tmpOut.begin(),tmpOut.end())!=tmp3.end())
8887 nodalConnecOut->insertAtTheEnd(nodalConnBg,nodalConnEnd);
8890 if(std::search(tmp3.rbegin(),tmp3.rend(),tmpOut.begin(),tmpOut.end())!=tmp3.rend())
8892 nodalConnecOut->insertAtTheEnd(nodalConnBg,nodalConnEnd);
8897 nodalConnecOut->pushBackSilent((int)INTERP_KERNEL::NORM_POLYGON);
8898 nodalConnecOut->insertAtTheEnd(tmpOut.begin(),tmpOut.end());
8903 throw INTERP_KERNEL::Exception("MEDCouplingUMesh::BuildConvexEnvelopOf2DCellJarvis : invalid 2D cell connectivity !");
8906 throw INTERP_KERNEL::Exception("MEDCouplingUMesh::BuildConvexEnvelopOf2DCellJarvis : invalid 2D cell connectivity !");
8910 * This method works on an input pair (\b arr, \b arrIndx) where \b arr indexes is in \b arrIndx.
8911 * This method will not impact the size of inout parameter \b arrIndx but the size of \b arr will be modified in case of suppression.
8913 * \param [in] idsToRemoveBg begin of set of ids to remove in \b arr (included)
8914 * \param [in] idsToRemoveEnd end of set of ids to remove in \b arr (excluded)
8915 * \param [in,out] arr array in which the remove operation will be done.
8916 * \param [in,out] arrIndx array in the remove operation will modify
8917 * \param [in] offsetForRemoval (by default 0) offset so that for each i in [0,arrIndx->getNumberOfTuples()-1) removal process will be performed in the following range [arr+arrIndx[i]+offsetForRemoval,arr+arr[i+1])
8918 * \return true if \b arr and \b arrIndx have been modified, false if not.
8920 bool MEDCouplingUMesh::RemoveIdsFromIndexedArrays(const int *idsToRemoveBg, const int *idsToRemoveEnd, DataArrayInt *arr, DataArrayInt *arrIndx, int offsetForRemoval)
8922 if(!arrIndx || !arr)
8923 throw INTERP_KERNEL::Exception("MEDCouplingUMesh::RemoveIdsFromIndexedArrays : some input arrays are empty !");
8924 if(offsetForRemoval<0)
8925 throw INTERP_KERNEL::Exception("MEDCouplingUMesh::RemoveIdsFromIndexedArrays : offsetForRemoval should be >=0 !");
8926 std::set<int> s(idsToRemoveBg,idsToRemoveEnd);
8927 int nbOfGrps=arrIndx->getNumberOfTuples()-1;
8928 int *arrIPtr=arrIndx->getPointer();
8931 const int *arrPtr=arr->getConstPointer();
8932 std::vector<int> arrOut;//no utility to switch to DataArrayInt because copy always needed
8933 for(int i=0;i<nbOfGrps;i++,arrIPtr++)
8935 if(*arrIPtr-previousArrI>offsetForRemoval)
8937 for(const int *work=arrPtr+previousArrI+offsetForRemoval;work!=arrPtr+*arrIPtr;work++)
8939 if(s.find(*work)==s.end())
8940 arrOut.push_back(*work);
8943 previousArrI=*arrIPtr;
8944 *arrIPtr=(int)arrOut.size();
8946 if(arr->getNumberOfTuples()==(int)arrOut.size())
8948 arr->alloc((int)arrOut.size(),1);
8949 std::copy(arrOut.begin(),arrOut.end(),arr->getPointer());
8954 * This method works on a pair input (\b arrIn, \b arrIndxIn) where \b arrIn indexes is in \b arrIndxIn.
8955 * This method returns the result of the extraction ( specified by a set of ids in [\b idsOfSelectBg , \b idsOfSelectEnd ) ).
8956 * The selection of extraction is done standardly in new2old format.
8957 * This method returns indexed arrays using 2 arrays (arrOut,arrIndexOut).
8959 * \param [in] idsOfSelectBg begin of set of ids of the input extraction (included)
8960 * \param [in] idsOfSelectEnd end of set of ids of the input extraction (excluded)
8961 * \param [in] arrIn arr origin array from which the extraction will be done.
8962 * \param [in] arrIndxIn is the input index array allowing to walk into \b arrIn
8963 * \param [out] arrOut the resulting array
8964 * \param [out] arrIndexOut the index array of the resulting array \b arrOut
8965 * \sa MEDCouplingUMesh::ExtractFromIndexedArrays2
8967 void MEDCouplingUMesh::ExtractFromIndexedArrays(const int *idsOfSelectBg, const int *idsOfSelectEnd, const DataArrayInt *arrIn, const DataArrayInt *arrIndxIn,
8968 DataArrayInt* &arrOut, DataArrayInt* &arrIndexOut) throw(INTERP_KERNEL::Exception)
8970 if(!arrIn || !arrIndxIn)
8971 throw INTERP_KERNEL::Exception("MEDCouplingUMesh::ExtractFromIndexedArrays : input pointer is NULL !");
8972 arrIn->checkAllocated(); arrIndxIn->checkAllocated();
8973 if(arrIn->getNumberOfComponents()!=1 || arrIndxIn->getNumberOfComponents()!=1)
8974 throw INTERP_KERNEL::Exception("MEDCouplingUMesh::ExtractFromIndexedArrays : input arrays must have exactly one component !");
8975 std::size_t sz=std::distance(idsOfSelectBg,idsOfSelectEnd);
8976 const int *arrInPtr=arrIn->getConstPointer();
8977 const int *arrIndxPtr=arrIndxIn->getConstPointer();
8978 int nbOfGrps=arrIndxIn->getNumberOfTuples()-1;
8980 throw INTERP_KERNEL::Exception("MEDCouplingUMesh::ExtractFromIndexedArrays : The format of \"arrIndxIn\" is invalid ! Its nb of tuples should be >=1 !");
8981 int maxSizeOfArr=arrIn->getNumberOfTuples();
8982 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> arro=DataArrayInt::New();
8983 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> arrIo=DataArrayInt::New();
8984 arrIo->alloc((int)(sz+1),1);
8985 const int *idsIt=idsOfSelectBg;
8986 int *work=arrIo->getPointer();
8989 for(std::size_t i=0;i<sz;i++,work++,idsIt++)
8991 if(*idsIt>=0 && *idsIt<nbOfGrps)
8992 lgth+=arrIndxPtr[*idsIt+1]-arrIndxPtr[*idsIt];
8995 std::ostringstream oss; oss << "MEDCouplingUMesh::ExtractFromIndexedArrays : id located on pos #" << i << " value is " << *idsIt << " ! Must be in [0," << nbOfGrps << ") !";
8996 throw INTERP_KERNEL::Exception(oss.str().c_str());
9002 std::ostringstream oss; oss << "MEDCouplingUMesh::ExtractFromIndexedArrays : id located on pos #" << i << " value is " << *idsIt << " and at this pos arrIndxIn[" << *idsIt;
9003 oss << "+1]-arrIndxIn[" << *idsIt << "] < 0 ! The input index array is bugged !";
9004 throw INTERP_KERNEL::Exception(oss.str().c_str());
9007 arro->alloc(lgth,1);
9008 work=arro->getPointer();
9009 idsIt=idsOfSelectBg;
9010 for(std::size_t i=0;i<sz;i++,idsIt++)
9012 if(arrIndxPtr[*idsIt]>=0 && arrIndxPtr[*idsIt+1]<=maxSizeOfArr)
9013 work=std::copy(arrInPtr+arrIndxPtr[*idsIt],arrInPtr+arrIndxPtr[*idsIt+1],work);
9016 std::ostringstream oss; oss << "MEDCouplingUMesh::ExtractFromIndexedArrays : id located on pos #" << i << " value is " << *idsIt << " arrIndx[" << *idsIt << "] must be >= 0 and arrIndx[";
9017 oss << *idsIt << "+1] <= " << maxSizeOfArr << " (the size of arrIn)!";
9018 throw INTERP_KERNEL::Exception(oss.str().c_str());
9022 arrIndexOut=arrIo.retn();
9026 * This method works on a pair input (\b arrIn, \b arrIndxIn) where \b arrIn indexes is in \b arrIndxIn.
9027 * This method returns the result of the extraction ( specified by a set of ids with a slice given by \a idsOfSelectStart, \a idsOfSelectStop and \a idsOfSelectStep ).
9028 * The selection of extraction is done standardly in new2old format.
9029 * This method returns indexed arrays using 2 arrays (arrOut,arrIndexOut).
9031 * \param [in] idsOfSelectBg begin of set of ids of the input extraction (included)
9032 * \param [in] idsOfSelectEnd end of set of ids of the input extraction (excluded)
9033 * \param [in] arrIn arr origin array from which the extraction will be done.
9034 * \param [in] arrIndxIn is the input index array allowing to walk into \b arrIn
9035 * \param [out] arrOut the resulting array
9036 * \param [out] arrIndexOut the index array of the resulting array \b arrOut
9037 * \sa MEDCouplingUMesh::ExtractFromIndexedArrays
9039 void MEDCouplingUMesh::ExtractFromIndexedArrays2(int idsOfSelectStart, int idsOfSelectStop, int idsOfSelectStep, const DataArrayInt *arrIn, const DataArrayInt *arrIndxIn,
9040 DataArrayInt* &arrOut, DataArrayInt* &arrIndexOut) throw(INTERP_KERNEL::Exception)
9042 if(!arrIn || !arrIndxIn)
9043 throw INTERP_KERNEL::Exception("MEDCouplingUMesh::ExtractFromIndexedArrays2 : input pointer is NULL !");
9044 arrIn->checkAllocated(); arrIndxIn->checkAllocated();
9045 if(arrIn->getNumberOfComponents()!=1 || arrIndxIn->getNumberOfComponents()!=1)
9046 throw INTERP_KERNEL::Exception("MEDCouplingUMesh::ExtractFromIndexedArrays2 : input arrays must have exactly one component !");
9047 int sz=DataArrayInt::GetNumberOfItemGivenBESRelative(idsOfSelectStart,idsOfSelectStop,idsOfSelectStep,"MEDCouplingUMesh::ExtractFromIndexedArrays2 : Input slice ");
9048 const int *arrInPtr=arrIn->getConstPointer();
9049 const int *arrIndxPtr=arrIndxIn->getConstPointer();
9050 int nbOfGrps=arrIndxIn->getNumberOfTuples()-1;
9052 throw INTERP_KERNEL::Exception("MEDCouplingUMesh::ExtractFromIndexedArrays2 : The format of \"arrIndxIn\" is invalid ! Its nb of tuples should be >=1 !");
9053 int maxSizeOfArr=arrIn->getNumberOfTuples();
9054 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> arro=DataArrayInt::New();
9055 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> arrIo=DataArrayInt::New();
9056 arrIo->alloc((int)(sz+1),1);
9057 int idsIt=idsOfSelectStart;
9058 int *work=arrIo->getPointer();
9061 for(int i=0;i<sz;i++,work++,idsIt+=idsOfSelectStep)
9063 if(idsIt>=0 && idsIt<nbOfGrps)
9064 lgth+=arrIndxPtr[idsIt+1]-arrIndxPtr[idsIt];
9067 std::ostringstream oss; oss << "MEDCouplingUMesh::ExtractFromIndexedArrays2 : id located on pos #" << i << " value is " << idsIt << " ! Must be in [0," << nbOfGrps << ") !";
9068 throw INTERP_KERNEL::Exception(oss.str().c_str());
9074 std::ostringstream oss; oss << "MEDCouplingUMesh::ExtractFromIndexedArrays2 : id located on pos #" << i << " value is " << idsIt << " and at this pos arrIndxIn[" << idsIt;
9075 oss << "+1]-arrIndxIn[" << idsIt << "] < 0 ! The input index array is bugged !";
9076 throw INTERP_KERNEL::Exception(oss.str().c_str());
9079 arro->alloc(lgth,1);
9080 work=arro->getPointer();
9081 idsIt=idsOfSelectStart;
9082 for(int i=0;i<sz;i++,idsIt+=idsOfSelectStep)
9084 if(arrIndxPtr[idsIt]>=0 && arrIndxPtr[idsIt+1]<=maxSizeOfArr)
9085 work=std::copy(arrInPtr+arrIndxPtr[idsIt],arrInPtr+arrIndxPtr[idsIt+1],work);
9088 std::ostringstream oss; oss << "MEDCouplingUMesh::ExtractFromIndexedArrays2 : id located on pos #" << i << " value is " << idsIt << " arrIndx[" << idsIt << "] must be >= 0 and arrIndx[";
9089 oss << idsIt << "+1] <= " << maxSizeOfArr << " (the size of arrIn)!";
9090 throw INTERP_KERNEL::Exception(oss.str().c_str());
9094 arrIndexOut=arrIo.retn();
9098 * This method works on an input pair (\b arrIn, \b arrIndxIn) where \b arrIn indexes is in \b arrIndxIn.
9099 * This method builds an output pair (\b arrOut,\b arrIndexOut) that is a copy from \b arrIn for all cell ids \b not \b in [ \b idsOfSelectBg , \b idsOfSelectEnd ) and for
9100 * cellIds \b in [ \b idsOfSelectBg , \b idsOfSelectEnd ) a copy coming from the corresponding values in input pair (\b srcArr, \b srcArrIndex).
9101 * This method is an generalization of MEDCouplingUMesh::SetPartOfIndexedArraysSameIdx that performs the same thing but by without building explicitely a result output arrays.
9103 * \param [in] idsOfSelectBg begin of set of ids of the input extraction (included)
9104 * \param [in] idsOfSelectEnd end of set of ids of the input extraction (excluded)
9105 * \param [in] arrIn arr origin array from which the extraction will be done.
9106 * \param [in] arrIndxIn is the input index array allowing to walk into \b arrIn
9107 * \param [in] srcArr input array that will be used as source of copy for ids in [ \b idsOfSelectBg, \b idsOfSelectEnd )
9108 * \param [in] srcArrIndex index array of \b srcArr
9109 * \param [out] arrOut the resulting array
9110 * \param [out] arrIndexOut the index array of the resulting array \b arrOut
9112 * \sa MEDCouplingUMesh::SetPartOfIndexedArraysSameIdx
9114 void MEDCouplingUMesh::SetPartOfIndexedArrays(const int *idsOfSelectBg, const int *idsOfSelectEnd, const DataArrayInt *arrIn, const DataArrayInt *arrIndxIn,
9115 const DataArrayInt *srcArr, const DataArrayInt *srcArrIndex,
9116 DataArrayInt* &arrOut, DataArrayInt* &arrIndexOut) throw(INTERP_KERNEL::Exception)
9118 if(arrIn==0 || arrIndxIn==0 || srcArr==0 || srcArrIndex==0)
9119 throw INTERP_KERNEL::Exception("MEDCouplingUMesh::SetPartOfIndexedArrays : presence of null pointer in input parameter !");
9120 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> arro=DataArrayInt::New();
9121 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> arrIo=DataArrayInt::New();
9122 int nbOfTuples=arrIndxIn->getNumberOfTuples()-1;
9123 std::vector<bool> v(nbOfTuples,true);
9125 const int *arrIndxInPtr=arrIndxIn->getConstPointer();
9126 const int *srcArrIndexPtr=srcArrIndex->getConstPointer();
9127 for(const int *it=idsOfSelectBg;it!=idsOfSelectEnd;it++,srcArrIndexPtr++)
9129 if(*it>=0 && *it<nbOfTuples)
9132 offset+=(srcArrIndexPtr[1]-srcArrIndexPtr[0])-(arrIndxInPtr[*it+1]-arrIndxInPtr[*it]);
9136 std::ostringstream oss; oss << "MEDCouplingUMesh::SetPartOfIndexedArrays : On pos #" << std::distance(idsOfSelectBg,it) << " value is " << *it << " not in [0," << nbOfTuples << ") !";
9137 throw INTERP_KERNEL::Exception(oss.str().c_str());
9140 srcArrIndexPtr=srcArrIndex->getConstPointer();
9141 arrIo->alloc(nbOfTuples+1,1);
9142 arro->alloc(arrIn->getNumberOfTuples()+offset,1);
9143 const int *arrInPtr=arrIn->getConstPointer();
9144 const int *srcArrPtr=srcArr->getConstPointer();
9145 int *arrIoPtr=arrIo->getPointer(); *arrIoPtr++=0;
9146 int *arroPtr=arro->getPointer();
9147 for(int ii=0;ii<nbOfTuples;ii++,arrIoPtr++)
9151 arroPtr=std::copy(arrInPtr+arrIndxInPtr[ii],arrInPtr+arrIndxInPtr[ii+1],arroPtr);
9152 *arrIoPtr=arrIoPtr[-1]+(arrIndxInPtr[ii+1]-arrIndxInPtr[ii]);
9156 std::size_t pos=std::distance(idsOfSelectBg,std::find(idsOfSelectBg,idsOfSelectEnd,ii));
9157 arroPtr=std::copy(srcArrPtr+srcArrIndexPtr[pos],srcArrPtr+srcArrIndexPtr[pos+1],arroPtr);
9158 *arrIoPtr=arrIoPtr[-1]+(srcArrIndexPtr[pos+1]-srcArrIndexPtr[pos]);
9162 arrIndexOut=arrIo.retn();
9166 * This method works on an input pair (\b arrIn, \b arrIndxIn) where \b arrIn indexes is in \b arrIndxIn.
9167 * This method is an specialization of MEDCouplingUMesh::SetPartOfIndexedArrays in the case of assignement do not modify the index in \b arrIndxIn.
9169 * \param [in] idsOfSelectBg begin of set of ids of the input extraction (included)
9170 * \param [in] idsOfSelectEnd end of set of ids of the input extraction (excluded)
9171 * \param [in,out] arrInOut arr origin array from which the extraction will be done.
9172 * \param [in] arrIndxIn is the input index array allowing to walk into \b arrIn
9173 * \param [in] srcArr input array that will be used as source of copy for ids in [ \b idsOfSelectBg , \b idsOfSelectEnd )
9174 * \param [in] srcArrIndex index array of \b srcArr
9176 * \sa MEDCouplingUMesh::SetPartOfIndexedArrays
9178 void MEDCouplingUMesh::SetPartOfIndexedArraysSameIdx(const int *idsOfSelectBg, const int *idsOfSelectEnd, DataArrayInt *arrInOut, const DataArrayInt *arrIndxIn,
9179 const DataArrayInt *srcArr, const DataArrayInt *srcArrIndex) throw(INTERP_KERNEL::Exception)
9181 if(arrInOut==0 || arrIndxIn==0 || srcArr==0 || srcArrIndex==0)
9182 throw INTERP_KERNEL::Exception("MEDCouplingUMesh::SetPartOfIndexedArraysSameIdx : presence of null pointer in input parameter !");
9183 int nbOfTuples=arrIndxIn->getNumberOfTuples()-1;
9184 const int *arrIndxInPtr=arrIndxIn->getConstPointer();
9185 const int *srcArrIndexPtr=srcArrIndex->getConstPointer();
9186 int *arrInOutPtr=arrInOut->getPointer();
9187 const int *srcArrPtr=srcArr->getConstPointer();
9188 for(const int *it=idsOfSelectBg;it!=idsOfSelectEnd;it++,srcArrIndexPtr++)
9190 if(*it>=0 && *it<nbOfTuples)
9192 if(srcArrIndexPtr[1]-srcArrIndexPtr[0]==arrIndxInPtr[*it+1]-arrIndxInPtr[*it])
9193 std::copy(srcArrPtr+srcArrIndexPtr[0],srcArrPtr+srcArrIndexPtr[1],arrInOutPtr+arrIndxInPtr[*it]);
9196 std::ostringstream oss; oss << "MEDCouplingUMesh::SetPartOfIndexedArraysSameIdx : On pos #" << std::distance(idsOfSelectBg,it) << " id (idsOfSelectBg[" << std::distance(idsOfSelectBg,it)<< "]) is " << *it << " arrIndxIn[id+1]-arrIndxIn[id]!=srcArrIndex[pos+1]-srcArrIndex[pos] !";
9197 throw INTERP_KERNEL::Exception(oss.str().c_str());
9202 std::ostringstream oss; oss << "MEDCouplingUMesh::SetPartOfIndexedArraysSameIdx : On pos #" << std::distance(idsOfSelectBg,it) << " value is " << *it << " not in [0," << nbOfTuples << ") !";
9203 throw INTERP_KERNEL::Exception(oss.str().c_str());
9209 * This method works on a pair input (\b arrIn, \b arrIndxIn) where \b arr indexes is in \b arrIndxIn.
9210 * This method expects that these two input arrays come from the output of MEDCouplingUMesh::computeNeighborsOfCells method.
9211 * This method start from id 0 that will be contained in output DataArrayInt. It searches then all neighbors of id0 regarding arrIn[arrIndxIn[0]:arrIndxIn[0+1]].
9212 * Then it is repeated recursively until either all ids are fetched or no more ids are reachable step by step.
9213 * A negative value in \b arrIn means that it is ignored.
9214 * This method is useful to see if a mesh is contiguous regarding its connectivity. If it is not the case the size of returned array is different from arrIndxIn->getNumberOfTuples()-1.
9216 * \param [in] arrIn arr origin array from which the extraction will be done.
9217 * \param [in] arrIndxIn is the input index array allowing to walk into \b arrIn
9218 * \return a newly allocated DataArray that stores all ids fetched by the gradually spread process.
9219 * \sa MEDCouplingUMesh::ComputeSpreadZoneGraduallyFromSeed, MEDCouplingUMesh::partitionBySpreadZone
9221 DataArrayInt *MEDCouplingUMesh::ComputeSpreadZoneGradually(const DataArrayInt *arrIn, const DataArrayInt *arrIndxIn)
9223 int seed=0,nbOfDepthPeelingPerformed=0;
9224 return ComputeSpreadZoneGraduallyFromSeed(&seed,&seed+1,arrIn,arrIndxIn,-1,nbOfDepthPeelingPerformed);
9228 * This method works on a pair input (\b arrIn, \b arrIndxIn) where \b arr indexes is in \b arrIndxIn.
9229 * This method expects that these two input arrays come from the output of MEDCouplingUMesh::computeNeighborsOfCells method.
9230 * This method start from id 0 that will be contained in output DataArrayInt. It searches then all neighbors of id0 regarding arrIn[arrIndxIn[0]:arrIndxIn[0+1]].
9231 * Then it is repeated recursively until either all ids are fetched or no more ids are reachable step by step.
9232 * A negative value in \b arrIn means that it is ignored.
9233 * This method is useful to see if a mesh is contiguous regarding its connectivity. If it is not the case the size of returned array is different from arrIndxIn->getNumberOfTuples()-1.
9234 * \param [in] seedBg the begin pointer (included) of an array containing the seed of the search zone
9235 * \param [in] seedEnd the end pointer (not included) of an array containing the seed of the search zone
9236 * \param [in] arrIn arr origin array from which the extraction will be done.
9237 * \param [in] arrIndxIn is the input index array allowing to walk into \b arrIn
9238 * \param [in] nbOfDepthPeeling the max number of peels requested in search. By default -1, that is to say, no limit.
9239 * \param [out] nbOfDepthPeelingPerformed the number of peels effectively performed. May be different from \a nbOfDepthPeeling
9240 * \return a newly allocated DataArray that stores all ids fetched by the gradually spread process.
9241 * \sa MEDCouplingUMesh::partitionBySpreadZone
9243 DataArrayInt *MEDCouplingUMesh::ComputeSpreadZoneGraduallyFromSeed(const int *seedBg, const int *seedEnd, const DataArrayInt *arrIn, const DataArrayInt *arrIndxIn, int nbOfDepthPeeling, int& nbOfDepthPeelingPerformed)
9245 nbOfDepthPeelingPerformed=0;
9247 throw INTERP_KERNEL::Exception("MEDCouplingUMesh::ComputeSpreadZoneGraduallyFromSeed : arrIndxIn input pointer is NULL !");
9248 int nbOfTuples=arrIndxIn->getNumberOfTuples()-1;
9251 DataArrayInt *ret=DataArrayInt::New(); ret->alloc(0,1);
9255 std::vector<bool> fetched(nbOfTuples,false);
9256 return ComputeSpreadZoneGraduallyFromSeedAlg(fetched,seedBg,seedEnd,arrIn,arrIndxIn,nbOfDepthPeeling,nbOfDepthPeelingPerformed);
9259 DataArrayInt *MEDCouplingUMesh::ComputeSpreadZoneGraduallyFromSeedAlg(std::vector<bool>& fetched, const int *seedBg, const int *seedEnd, const DataArrayInt *arrIn, const DataArrayInt *arrIndxIn, int nbOfDepthPeeling, int& nbOfDepthPeelingPerformed)
9261 nbOfDepthPeelingPerformed=0;
9262 if(!seedBg || !seedEnd || !arrIn || !arrIndxIn)
9263 throw INTERP_KERNEL::Exception("MEDCouplingUMesh::ComputeSpreadZoneGraduallyFromSeedAlg : some input pointer is NULL !");
9264 int nbOfTuples=arrIndxIn->getNumberOfTuples()-1;
9265 std::vector<bool> fetched2(nbOfTuples,false);
9267 for(const int *seedElt=seedBg;seedElt!=seedEnd;seedElt++,i++)
9269 if(*seedElt>=0 && *seedElt<nbOfTuples)
9270 { fetched[*seedElt]=true; fetched2[*seedElt]=true; }
9272 { std::ostringstream oss; oss << "MEDCouplingUMesh::ComputeSpreadZoneGraduallyFromSeedAlg : At pos #" << i << " of seeds value is " << *seedElt << "! Should be in [0," << nbOfTuples << ") !"; throw INTERP_KERNEL::Exception(oss.str().c_str()); }
9274 const int *arrInPtr=arrIn->getConstPointer();
9275 const int *arrIndxPtr=arrIndxIn->getConstPointer();
9276 int targetNbOfDepthPeeling=nbOfDepthPeeling!=-1?nbOfDepthPeeling:std::numeric_limits<int>::max();
9277 std::vector<int> idsToFetch1(seedBg,seedEnd);
9278 std::vector<int> idsToFetch2;
9279 std::vector<int> *idsToFetch=&idsToFetch1;
9280 std::vector<int> *idsToFetchOther=&idsToFetch2;
9281 while(!idsToFetch->empty() && nbOfDepthPeelingPerformed<targetNbOfDepthPeeling)
9283 for(std::vector<int>::const_iterator it=idsToFetch->begin();it!=idsToFetch->end();it++)
9284 for(const int *it2=arrInPtr+arrIndxPtr[*it];it2!=arrInPtr+arrIndxPtr[*it+1];it2++)
9286 { fetched[*it2]=true; fetched2[*it2]=true; idsToFetchOther->push_back(*it2); }
9287 std::swap(idsToFetch,idsToFetchOther);
9288 idsToFetchOther->clear();
9289 nbOfDepthPeelingPerformed++;
9291 int lgth=(int)std::count(fetched2.begin(),fetched2.end(),true);
9293 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> ret=DataArrayInt::New(); ret->alloc(lgth,1);
9294 int *retPtr=ret->getPointer();
9295 for(std::vector<bool>::const_iterator it=fetched2.begin();it!=fetched2.end();it++,i++)
9302 * This method works on an input pair (\b arrIn, \b arrIndxIn) where \b arrIn indexes is in \b arrIndxIn.
9303 * This method builds an output pair (\b arrOut,\b arrIndexOut) that is a copy from \b arrIn for all cell ids \b not \b in [ \b idsOfSelectBg , \b idsOfSelectEnd ) and for
9304 * cellIds \b in [\b idsOfSelectBg, \b idsOfSelectEnd) a copy coming from the corresponding values in input pair (\b srcArr, \b srcArrIndex).
9305 * This method is an generalization of MEDCouplingUMesh::SetPartOfIndexedArraysSameIdx that performs the same thing but by without building explicitely a result output arrays.
9307 * \param [in] start begin of set of ids of the input extraction (included)
9308 * \param [in] end end of set of ids of the input extraction (excluded)
9309 * \param [in] step step of the set of ids in range mode.
9310 * \param [in] arrIn arr origin array from which the extraction will be done.
9311 * \param [in] arrIndxIn is the input index array allowing to walk into \b arrIn
9312 * \param [in] srcArr input array that will be used as source of copy for ids in [\b idsOfSelectBg, \b idsOfSelectEnd)
9313 * \param [in] srcArrIndex index array of \b srcArr
9314 * \param [out] arrOut the resulting array
9315 * \param [out] arrIndexOut the index array of the resulting array \b arrOut
9317 * \sa MEDCouplingUMesh::SetPartOfIndexedArraysSameIdx MEDCouplingUMesh::SetPartOfIndexedArrays
9319 void MEDCouplingUMesh::SetPartOfIndexedArrays2(int start, int end, int step, const DataArrayInt *arrIn, const DataArrayInt *arrIndxIn,
9320 const DataArrayInt *srcArr, const DataArrayInt *srcArrIndex,
9321 DataArrayInt* &arrOut, DataArrayInt* &arrIndexOut) throw(INTERP_KERNEL::Exception)
9323 if(arrIn==0 || arrIndxIn==0 || srcArr==0 || srcArrIndex==0)
9324 throw INTERP_KERNEL::Exception("MEDCouplingUMesh::SetPartOfIndexedArrays2 : presence of null pointer in input parameter !");
9325 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> arro=DataArrayInt::New();
9326 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> arrIo=DataArrayInt::New();
9327 int nbOfTuples=arrIndxIn->getNumberOfTuples()-1;
9329 const int *arrIndxInPtr=arrIndxIn->getConstPointer();
9330 const int *srcArrIndexPtr=srcArrIndex->getConstPointer();
9331 int nbOfElemsToSet=DataArray::GetNumberOfItemGivenBESRelative(start,end,step,"MEDCouplingUMesh::SetPartOfIndexedArrays2 : ");
9333 for(int i=0;i<nbOfElemsToSet;i++,srcArrIndexPtr++,it+=step)
9335 if(it>=0 && it<nbOfTuples)
9336 offset+=(srcArrIndexPtr[1]-srcArrIndexPtr[0])-(arrIndxInPtr[it+1]-arrIndxInPtr[it]);
9339 std::ostringstream oss; oss << "MEDCouplingUMesh::SetPartOfIndexedArrays2 : On pos #" << i << " value is " << it << " not in [0," << nbOfTuples << ") !";
9340 throw INTERP_KERNEL::Exception(oss.str().c_str());
9343 srcArrIndexPtr=srcArrIndex->getConstPointer();
9344 arrIo->alloc(nbOfTuples+1,1);
9345 arro->alloc(arrIn->getNumberOfTuples()+offset,1);
9346 const int *arrInPtr=arrIn->getConstPointer();
9347 const int *srcArrPtr=srcArr->getConstPointer();
9348 int *arrIoPtr=arrIo->getPointer(); *arrIoPtr++=0;
9349 int *arroPtr=arro->getPointer();
9350 for(int ii=0;ii<nbOfTuples;ii++,arrIoPtr++)
9352 int pos=DataArray::GetPosOfItemGivenBESRelativeNoThrow(ii,start,end,step);
9355 arroPtr=std::copy(arrInPtr+arrIndxInPtr[ii],arrInPtr+arrIndxInPtr[ii+1],arroPtr);
9356 *arrIoPtr=arrIoPtr[-1]+(arrIndxInPtr[ii+1]-arrIndxInPtr[ii]);
9360 arroPtr=std::copy(srcArrPtr+srcArrIndexPtr[pos],srcArrPtr+srcArrIndexPtr[pos+1],arroPtr);
9361 *arrIoPtr=arrIoPtr[-1]+(srcArrIndexPtr[pos+1]-srcArrIndexPtr[pos]);
9365 arrIndexOut=arrIo.retn();
9369 * This method works on an input pair (\b arrIn, \b arrIndxIn) where \b arrIn indexes is in \b arrIndxIn.
9370 * This method is an specialization of MEDCouplingUMesh::SetPartOfIndexedArrays in the case of assignement do not modify the index in \b arrIndxIn.
9372 * \param [in] start begin of set of ids of the input extraction (included)
9373 * \param [in] end end of set of ids of the input extraction (excluded)
9374 * \param [in] step step of the set of ids in range mode.
9375 * \param [in,out] arrInOut arr origin array from which the extraction will be done.
9376 * \param [in] arrIndxIn is the input index array allowing to walk into \b arrIn
9377 * \param [in] srcArr input array that will be used as source of copy for ids in [\b idsOfSelectBg, \b idsOfSelectEnd)
9378 * \param [in] srcArrIndex index array of \b srcArr
9380 * \sa MEDCouplingUMesh::SetPartOfIndexedArrays2 MEDCouplingUMesh::SetPartOfIndexedArraysSameIdx
9382 void MEDCouplingUMesh::SetPartOfIndexedArraysSameIdx2(int start, int end, int step, DataArrayInt *arrInOut, const DataArrayInt *arrIndxIn,
9383 const DataArrayInt *srcArr, const DataArrayInt *srcArrIndex) throw(INTERP_KERNEL::Exception)
9385 if(arrInOut==0 || arrIndxIn==0 || srcArr==0 || srcArrIndex==0)
9386 throw INTERP_KERNEL::Exception("MEDCouplingUMesh::SetPartOfIndexedArraysSameIdx2 : presence of null pointer in input parameter !");
9387 int nbOfTuples=arrIndxIn->getNumberOfTuples()-1;
9388 const int *arrIndxInPtr=arrIndxIn->getConstPointer();
9389 const int *srcArrIndexPtr=srcArrIndex->getConstPointer();
9390 int *arrInOutPtr=arrInOut->getPointer();
9391 const int *srcArrPtr=srcArr->getConstPointer();
9392 int nbOfElemsToSet=DataArray::GetNumberOfItemGivenBESRelative(start,end,step,"MEDCouplingUMesh::SetPartOfIndexedArraysSameIdx2 : ");
9394 for(int i=0;i<nbOfElemsToSet;i++,srcArrIndexPtr++,it+=step)
9396 if(it>=0 && it<nbOfTuples)
9398 if(srcArrIndexPtr[1]-srcArrIndexPtr[0]==arrIndxInPtr[it+1]-arrIndxInPtr[it])
9399 std::copy(srcArrPtr+srcArrIndexPtr[0],srcArrPtr+srcArrIndexPtr[1],arrInOutPtr+arrIndxInPtr[it]);
9402 std::ostringstream oss; oss << "MEDCouplingUMesh::SetPartOfIndexedArraysSameIdx2 : On pos #" << i << " id (idsOfSelectBg[" << i << "]) is " << it << " arrIndxIn[id+1]-arrIndxIn[id]!=srcArrIndex[pos+1]-srcArrIndex[pos] !";
9403 throw INTERP_KERNEL::Exception(oss.str().c_str());
9408 std::ostringstream oss; oss << "MEDCouplingUMesh::SetPartOfIndexedArraysSameIdx2 : On pos #" << i << " value is " << it << " not in [0," << nbOfTuples << ") !";
9409 throw INTERP_KERNEL::Exception(oss.str().c_str());
9415 * \b this is expected to be a mesh fully defined whose spaceDim==meshDim.
9416 * It returns a new allocated mesh having the same mesh dimension and lying on same coordinates.
9417 * The returned mesh contains as poly cells as number of contiguous zone (regarding connectivity).
9418 * A spread contiguous zone is built using poly cells (polyhedra in 3D, polygons in 2D and polyline in 1D).
9419 * The sum of measure field of returned mesh is equal to the sum of measure field of this.
9421 * \return a newly allocated mesh lying on the same coords than \b this with same meshdimension than \b this.
9423 MEDCouplingUMesh *MEDCouplingUMesh::buildSpreadZonesWithPoly() const
9425 checkFullyDefined();
9426 int mdim=getMeshDimension();
9427 int spaceDim=getSpaceDimension();
9429 throw INTERP_KERNEL::Exception("MEDCouplingUMesh::buildSpreadZonesWithPoly : meshdimension and spacedimension do not match !");
9430 std::vector<DataArrayInt *> partition=partitionBySpreadZone();
9431 std::vector< MEDCouplingAutoRefCountObjectPtr<DataArrayInt> > partitionAuto; partitionAuto.reserve(partition.size());
9432 std::copy(partition.begin(),partition.end(),std::back_insert_iterator<std::vector< MEDCouplingAutoRefCountObjectPtr<DataArrayInt> > >(partitionAuto));
9433 MEDCouplingAutoRefCountObjectPtr<MEDCouplingUMesh> ret=MEDCouplingUMesh::New(getName().c_str(),mdim);
9434 ret->setCoords(getCoords());
9435 ret->allocateCells((int)partition.size());
9437 for(std::vector<DataArrayInt *>::const_iterator it=partition.begin();it!=partition.end();it++)
9439 MEDCouplingAutoRefCountObjectPtr<MEDCouplingUMesh> tmp=static_cast<MEDCouplingUMesh *>(buildPartOfMySelf((*it)->begin(),(*it)->end(),true));
9440 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> cell;
9444 cell=tmp->buildUnionOf2DMesh();
9447 cell=tmp->buildUnionOf3DMesh();
9450 throw INTERP_KERNEL::Exception("MEDCouplingUMesh::buildSpreadZonesWithPoly : meshdimension supported are [2,3] ! Not implemented yet for others !");
9453 ret->insertNextCell((INTERP_KERNEL::NormalizedCellType)cell->getIJSafe(0,0),cell->getNumberOfTuples()-1,cell->getConstPointer()+1);
9456 ret->finishInsertingCells();
9461 * This method partitions \b this into contiguous zone.
9462 * This method only needs a well defined connectivity. Coordinates are not considered here.
9463 * This method returns a vector of \b newly allocated arrays that the caller has to deal with.
9465 std::vector<DataArrayInt *> MEDCouplingUMesh::partitionBySpreadZone() const
9467 int nbOfCellsCur=getNumberOfCells();
9468 std::vector<DataArrayInt *> ret;
9471 DataArrayInt *neigh=0,*neighI=0;
9472 computeNeighborsOfCells(neigh,neighI);
9473 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> neighAuto(neigh),neighIAuto(neighI);
9474 std::vector<bool> fetchedCells(nbOfCellsCur,false);
9475 std::vector< MEDCouplingAutoRefCountObjectPtr<DataArrayInt> > ret2;
9477 while(seed<nbOfCellsCur)
9479 int nbOfPeelPerformed=0;
9480 ret2.push_back(ComputeSpreadZoneGraduallyFromSeedAlg(fetchedCells,&seed,&seed+1,neigh,neighI,-1,nbOfPeelPerformed));
9481 seed=(int)std::distance(fetchedCells.begin(),std::find(fetchedCells.begin()+seed,fetchedCells.end(),false));
9483 for(std::vector< MEDCouplingAutoRefCountObjectPtr<DataArrayInt> >::iterator it=ret2.begin();it!=ret2.end();it++)
9484 ret.push_back((*it).retn());
9489 * This method returns given a distribution of cell type (returned for example by MEDCouplingUMesh::getDistributionOfTypes method and customized after) a
9490 * newly allocated DataArrayInt instance with 2 components ready to be interpreted as input of DataArrayInt::findRangeIdForEachTuple method.
9492 * \param [in] code a code with the same format than those returned by MEDCouplingUMesh::getDistributionOfTypes except for the code[3*k+2] that should contain start id of chunck.
9493 * \return a newly allocated DataArrayInt to be managed by the caller.
9494 * \throw In case of \a code has not the right format (typically of size 3*n)
9496 DataArrayInt *MEDCouplingUMesh::ComputeRangesFromTypeDistribution(const std::vector<int>& code)
9498 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> ret=DataArrayInt::New();
9499 std::size_t nb=code.size()/3;
9500 if(code.size()%3!=0)
9501 throw INTERP_KERNEL::Exception("MEDCouplingUMesh::ComputeRangesFromTypeDistribution : invalid input code !");
9502 ret->alloc((int)nb,2);
9503 int *retPtr=ret->getPointer();
9504 for(std::size_t i=0;i<nb;i++,retPtr+=2)
9506 retPtr[0]=code[3*i+2];
9507 retPtr[1]=code[3*i+2]+code[3*i+1];
9513 * This method expects that \a this a 3D mesh (spaceDim=3 and meshDim=3) with all coordinates and connectivities set.
9514 * All cells in \a this are expected to be linear 3D cells.
9515 * This method will split **all** 3D cells in \a this into INTERP_KERNEL::NORM_TETRA4 cells and put them in the returned mesh.
9516 * It leads to an increase to number of cells.
9517 * This method contrary to MEDCouplingUMesh::simplexize can append coordinates in \a this to perform its work.
9518 * The \a nbOfAdditionalPoints returned value informs about it. If > 0, the coordinates array in returned mesh will have \a nbOfAdditionalPoints
9519 * more tuples (nodes) than in \a this. Anyway, all the nodes in \a this (with the same order) will be in the returned mesh.
9521 * \param [in] policy - the policy of splitting that must be in (PLANAR_FACE_5, PLANAR_FACE_6, GENERAL_24, GENERAL_48). The policy will be used only for INTERP_KERNEL::NORM_HEXA8 cells.
9522 * For all other cells, the splitting policy will be ignored.
9523 * \param [out] nbOfAdditionalPoints - number of nodes added to \c this->_coords. If > 0 a new coordinates object will be constructed result of the aggregation of the old one and the new points added.
9524 * \param [out] n2oCells - A new instance of DataArrayInt holding, for each new cell,
9525 * an id of old cell producing it. The caller is to delete this array using
9526 * decrRef() as it is no more needed.
9527 * \return MEDCoupling1SGTUMesh * - the mesh containing only INTERP_KERNEL::NORM_TETRA4 cells.
9529 * \warning This method operates on each cells in this independantly ! So it can leads to non conform mesh in returned value ! If you expect to have a conform mesh in output
9530 * the policy PLANAR_FACE_6 should be used on a mesh sorted with MEDCoupling1SGTUMesh::sortHexa8EachOther.
9532 * \throw If \a this is not a 3D mesh (spaceDim==3 and meshDim==3).
9533 * \throw If \a this is not fully constituted with linear 3D cells.
9534 * \sa MEDCouplingUMesh::simplexize, MEDCoupling1SGTUMesh::sortHexa8EachOther
9536 MEDCoupling1SGTUMesh *MEDCouplingUMesh::tetrahedrize(int policy, DataArrayInt *& n2oCells, int& nbOfAdditionalPoints) const
9538 INTERP_KERNEL::SplittingPolicy pol((INTERP_KERNEL::SplittingPolicy)policy);
9539 checkConnectivityFullyDefined();
9540 if(getMeshDimension()!=3 || getSpaceDimension()!=3)
9541 throw INTERP_KERNEL::Exception("MEDCouplingUMesh::tetrahedrize : only available for mesh with meshdim == 3 and spacedim == 3 !");
9542 int nbOfCells(getNumberOfCells()),nbNodes(getNumberOfNodes());
9543 MEDCouplingAutoRefCountObjectPtr<MEDCoupling1SGTUMesh> ret0(MEDCoupling1SGTUMesh::New(getName().c_str(),INTERP_KERNEL::NORM_TETRA4));
9544 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> ret(DataArrayInt::New()); ret->alloc(nbOfCells,1);
9545 int *retPt(ret->getPointer());
9546 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> newConn(DataArrayInt::New()); newConn->alloc(0,1);
9547 MEDCouplingAutoRefCountObjectPtr<DataArrayDouble> addPts(DataArrayDouble::New()); addPts->alloc(0,1);
9548 const int *oldc(_nodal_connec->begin());
9549 const int *oldci(_nodal_connec_index->begin());
9550 const double *coords(_coords->begin());
9551 for(int i=0;i<nbOfCells;i++,oldci++,retPt++)
9553 std::vector<int> a; std::vector<double> b;
9554 INTERP_KERNEL::SplitIntoTetras(pol,(INTERP_KERNEL::NormalizedCellType)oldc[oldci[0]],oldc+oldci[0]+1,oldc+oldci[1],coords,a,b);
9555 std::size_t nbOfTet(a.size()/4); *retPt=(int)nbOfTet;
9556 const int *aa(&a[0]);
9559 for(std::vector<int>::iterator it=a.begin();it!=a.end();it++)
9561 *it=(-(*(it))-1+nbNodes);
9562 addPts->insertAtTheEnd(b.begin(),b.end());
9563 nbNodes+=(int)b.size()/3;
9565 for(std::size_t j=0;j<nbOfTet;j++,aa+=4)
9566 newConn->insertAtTheEnd(aa,aa+4);
9568 if(!addPts->empty())
9570 addPts->rearrange(3);
9571 nbOfAdditionalPoints=addPts->getNumberOfTuples();
9572 addPts=DataArrayDouble::Aggregate(getCoords(),addPts);
9573 ret0->setCoords(addPts);
9577 nbOfAdditionalPoints=0;
9578 ret0->setCoords(getCoords());
9580 ret0->setNodalConnectivity(newConn);
9582 ret->computeOffsets2();
9583 n2oCells=ret->buildExplicitArrOfSliceOnScaledArr(0,nbOfCells,1);
9587 MEDCouplingUMeshCellIterator::MEDCouplingUMeshCellIterator(MEDCouplingUMesh *mesh):_mesh(mesh),_cell(new MEDCouplingUMeshCell(mesh)),
9588 _own_cell(true),_cell_id(-1),_nb_cell(0)
9593 _nb_cell=mesh->getNumberOfCells();
9597 MEDCouplingUMeshCellIterator::~MEDCouplingUMeshCellIterator()
9605 MEDCouplingUMeshCellIterator::MEDCouplingUMeshCellIterator(MEDCouplingUMesh *mesh, MEDCouplingUMeshCell *itc, int bg, int end):_mesh(mesh),_cell(itc),
9606 _own_cell(false),_cell_id(bg-1),
9613 MEDCouplingUMeshCell *MEDCouplingUMeshCellIterator::nextt()
9616 if(_cell_id<_nb_cell)
9625 MEDCouplingUMeshCellByTypeEntry::MEDCouplingUMeshCellByTypeEntry(MEDCouplingUMesh *mesh):_mesh(mesh)
9631 MEDCouplingUMeshCellByTypeIterator *MEDCouplingUMeshCellByTypeEntry::iterator()
9633 return new MEDCouplingUMeshCellByTypeIterator(_mesh);
9636 MEDCouplingUMeshCellByTypeEntry::~MEDCouplingUMeshCellByTypeEntry()
9642 MEDCouplingUMeshCellEntry::MEDCouplingUMeshCellEntry(MEDCouplingUMesh *mesh, INTERP_KERNEL::NormalizedCellType type, MEDCouplingUMeshCell *itc, int bg, int end):_mesh(mesh),_type(type),
9650 MEDCouplingUMeshCellEntry::~MEDCouplingUMeshCellEntry()
9656 INTERP_KERNEL::NormalizedCellType MEDCouplingUMeshCellEntry::getType() const
9661 int MEDCouplingUMeshCellEntry::getNumberOfElems() const
9666 MEDCouplingUMeshCellIterator *MEDCouplingUMeshCellEntry::iterator()
9668 return new MEDCouplingUMeshCellIterator(_mesh,_itc,_bg,_end);
9671 MEDCouplingUMeshCellByTypeIterator::MEDCouplingUMeshCellByTypeIterator(MEDCouplingUMesh *mesh):_mesh(mesh),_cell(new MEDCouplingUMeshCell(mesh)),_cell_id(0),_nb_cell(0)
9676 _nb_cell=mesh->getNumberOfCells();
9680 MEDCouplingUMeshCellByTypeIterator::~MEDCouplingUMeshCellByTypeIterator()
9687 MEDCouplingUMeshCellEntry *MEDCouplingUMeshCellByTypeIterator::nextt()
9689 const int *c=_mesh->getNodalConnectivity()->getConstPointer();
9690 const int *ci=_mesh->getNodalConnectivityIndex()->getConstPointer();
9691 if(_cell_id<_nb_cell)
9693 INTERP_KERNEL::NormalizedCellType type=(INTERP_KERNEL::NormalizedCellType)c[ci[_cell_id]];
9694 int nbOfElems=(int)std::distance(ci+_cell_id,std::find_if(ci+_cell_id,ci+_nb_cell,ParaMEDMEMImpl::ConnReader(c,type)));
9695 int startId=_cell_id;
9696 _cell_id+=nbOfElems;
9697 return new MEDCouplingUMeshCellEntry(_mesh,type,_cell,startId,_cell_id);
9703 MEDCouplingUMeshCell::MEDCouplingUMeshCell(MEDCouplingUMesh *mesh):_conn(0),_conn_indx(0),_conn_lgth(NOTICABLE_FIRST_VAL)
9707 _conn=mesh->getNodalConnectivity()->getPointer();
9708 _conn_indx=mesh->getNodalConnectivityIndex()->getPointer();
9712 void MEDCouplingUMeshCell::next()
9714 if(_conn_lgth!=NOTICABLE_FIRST_VAL)
9719 _conn_lgth=_conn_indx[1]-_conn_indx[0];
9722 std::string MEDCouplingUMeshCell::repr() const
9724 if(_conn_lgth!=NOTICABLE_FIRST_VAL)
9726 std::ostringstream oss; oss << "Cell Type " << INTERP_KERNEL::CellModel::GetCellModel((INTERP_KERNEL::NormalizedCellType)_conn[0]).getRepr();
9728 std::copy(_conn+1,_conn+_conn_lgth,std::ostream_iterator<int>(oss," "));
9732 return std::string("MEDCouplingUMeshCell::repr : Invalid pos");
9735 INTERP_KERNEL::NormalizedCellType MEDCouplingUMeshCell::getType() const
9737 if(_conn_lgth!=NOTICABLE_FIRST_VAL)
9738 return (INTERP_KERNEL::NormalizedCellType)_conn[0];
9740 return INTERP_KERNEL::NORM_ERROR;
9743 const int *MEDCouplingUMeshCell::getAllConn(int& lgth) const
9746 if(_conn_lgth!=NOTICABLE_FIRST_VAL)