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.
423 std::set<INTERP_KERNEL::NormalizedCellType> MEDCouplingUMesh::getAllGeoTypes() const
429 * This method is a method that compares \a this and \a other.
430 * This method compares \b all attributes, even names and component names.
432 bool MEDCouplingUMesh::isEqualIfNotWhy(const MEDCouplingMesh *other, double prec, std::string& reason) const
435 throw INTERP_KERNEL::Exception("MEDCouplingUMesh::isEqualIfNotWhy : input other pointer is null !");
436 std::ostringstream oss; oss.precision(15);
437 const MEDCouplingUMesh *otherC=dynamic_cast<const MEDCouplingUMesh *>(other);
440 reason="mesh given in input is not castable in MEDCouplingUMesh !";
443 if(!MEDCouplingPointSet::isEqualIfNotWhy(other,prec,reason))
445 if(_mesh_dim!=otherC->_mesh_dim)
447 oss << "umesh dimension mismatch : this mesh dimension=" << _mesh_dim << " other mesh dimension=" << otherC->_mesh_dim;
451 if(_types!=otherC->_types)
453 oss << "umesh geometric type mismatch :\nThis geometric types are :";
454 for(std::set<INTERP_KERNEL::NormalizedCellType>::const_iterator iter=_types.begin();iter!=_types.end();iter++)
455 { const INTERP_KERNEL::CellModel& cm=INTERP_KERNEL::CellModel::GetCellModel(*iter); oss << cm.getRepr() << ", "; }
456 oss << "\nOther geometric types are :";
457 for(std::set<INTERP_KERNEL::NormalizedCellType>::const_iterator iter=otherC->_types.begin();iter!=otherC->_types.end();iter++)
458 { const INTERP_KERNEL::CellModel& cm=INTERP_KERNEL::CellModel::GetCellModel(*iter); oss << cm.getRepr() << ", "; }
462 if(_nodal_connec!=0 || otherC->_nodal_connec!=0)
463 if(_nodal_connec==0 || otherC->_nodal_connec==0)
465 reason="Only one UMesh between the two this and other has its nodal connectivity DataArrayInt defined !";
468 if(_nodal_connec!=otherC->_nodal_connec)
469 if(!_nodal_connec->isEqualIfNotWhy(*otherC->_nodal_connec,reason))
471 reason.insert(0,"Nodal connectivity DataArrayInt differ : ");
474 if(_nodal_connec_index!=0 || otherC->_nodal_connec_index!=0)
475 if(_nodal_connec_index==0 || otherC->_nodal_connec_index==0)
477 reason="Only one UMesh between the two this and other has its nodal connectivity index DataArrayInt defined !";
480 if(_nodal_connec_index!=otherC->_nodal_connec_index)
481 if(!_nodal_connec_index->isEqualIfNotWhy(*otherC->_nodal_connec_index,reason))
483 reason.insert(0,"Nodal connectivity index DataArrayInt differ : ");
490 * Checks if data arrays of this mesh (node coordinates, nodal
491 * connectivity of cells, etc) of two meshes are same. Textual data like name etc. are
493 * \param [in] other - the mesh to compare with.
494 * \param [in] prec - precision value used to compare node coordinates.
495 * \return bool - \a true if the two meshes are same.
497 bool MEDCouplingUMesh::isEqualWithoutConsideringStr(const MEDCouplingMesh *other, double prec) const
499 const MEDCouplingUMesh *otherC=dynamic_cast<const MEDCouplingUMesh *>(other);
502 if(!MEDCouplingPointSet::isEqualWithoutConsideringStr(other,prec))
504 if(_mesh_dim!=otherC->_mesh_dim)
506 if(_types!=otherC->_types)
508 if(_nodal_connec!=0 || otherC->_nodal_connec!=0)
509 if(_nodal_connec==0 || otherC->_nodal_connec==0)
511 if(_nodal_connec!=otherC->_nodal_connec)
512 if(!_nodal_connec->isEqualWithoutConsideringStr(*otherC->_nodal_connec))
514 if(_nodal_connec_index!=0 || otherC->_nodal_connec_index!=0)
515 if(_nodal_connec_index==0 || otherC->_nodal_connec_index==0)
517 if(_nodal_connec_index!=otherC->_nodal_connec_index)
518 if(!_nodal_connec_index->isEqualWithoutConsideringStr(*otherC->_nodal_connec_index))
524 * Checks if \a this and \a other meshes are geometrically equivalent with high
525 * probability, else an exception is thrown. The meshes are considered equivalent if
526 * (1) meshes contain the same number of nodes and the same number of elements of the
527 * same types (2) three cells of the two meshes (first, last and middle) are based
528 * on coincident nodes (with a specified precision).
529 * \param [in] other - the mesh to compare with.
530 * \param [in] prec - the precision used to compare nodes of the two meshes.
531 * \throw If the two meshes do not match.
533 void MEDCouplingUMesh::checkFastEquivalWith(const MEDCouplingMesh *other, double prec) const
535 MEDCouplingPointSet::checkFastEquivalWith(other,prec);
536 const MEDCouplingUMesh *otherC=dynamic_cast<const MEDCouplingUMesh *>(other);
538 throw INTERP_KERNEL::Exception("MEDCouplingUMesh::checkFastEquivalWith : Two meshes are not not unstructured !");
542 * Returns the reverse nodal connectivity. The reverse nodal connectivity enumerates
543 * cells each node belongs to.
544 * \warning For speed reasons, this method does not check if node ids in the nodal
545 * connectivity correspond to the size of node coordinates array.
546 * \param [in,out] revNodal - an array holding ids of cells sharing each node.
547 * \param [in,out] revNodalIndx - an array, of length \a this->getNumberOfNodes() + 1,
548 * dividing cell ids in \a revNodal into groups each referring to one
549 * node. Its every element (except the last one) is an index pointing to the
550 * first id of a group of cells. For example cells sharing the node #1 are
551 * described by following range of indices:
552 * [ \a revNodalIndx[1], \a revNodalIndx[2] ) and the cell ids are
553 * \a revNodal[ \a revNodalIndx[1] ], \a revNodal[ \a revNodalIndx[1] + 1], ...
554 * Number of cells sharing the *i*-th node is
555 * \a revNodalIndx[ *i*+1 ] - \a revNodalIndx[ *i* ].
556 * \throw If the coordinates array is not set.
557 * \throw If the nodal connectivity of cells is not defined.
559 * \ref cpp_mcumesh_getReverseNodalConnectivity "Here is a C++ example".<br>
560 * \ref py_mcumesh_getReverseNodalConnectivity "Here is a Python example".
562 void MEDCouplingUMesh::getReverseNodalConnectivity(DataArrayInt *revNodal, DataArrayInt *revNodalIndx) const
565 int nbOfNodes=getNumberOfNodes();
566 int *revNodalIndxPtr=(int *)malloc((nbOfNodes+1)*sizeof(int));
567 revNodalIndx->useArray(revNodalIndxPtr,true,C_DEALLOC,nbOfNodes+1,1);
568 std::fill(revNodalIndxPtr,revNodalIndxPtr+nbOfNodes+1,0);
569 const int *conn=_nodal_connec->getConstPointer();
570 const int *connIndex=_nodal_connec_index->getConstPointer();
571 int nbOfCells=getNumberOfCells();
572 int nbOfEltsInRevNodal=0;
573 for(int eltId=0;eltId<nbOfCells;eltId++)
575 const int *strtNdlConnOfCurCell=conn+connIndex[eltId]+1;
576 const int *endNdlConnOfCurCell=conn+connIndex[eltId+1];
577 for(const int *iter=strtNdlConnOfCurCell;iter!=endNdlConnOfCurCell;iter++)
578 if(*iter>=0)//for polyhedrons
580 nbOfEltsInRevNodal++;
581 revNodalIndxPtr[(*iter)+1]++;
584 std::transform(revNodalIndxPtr+1,revNodalIndxPtr+nbOfNodes+1,revNodalIndxPtr,revNodalIndxPtr+1,std::plus<int>());
585 int *revNodalPtr=(int *)malloc((nbOfEltsInRevNodal)*sizeof(int));
586 revNodal->useArray(revNodalPtr,true,C_DEALLOC,nbOfEltsInRevNodal,1);
587 std::fill(revNodalPtr,revNodalPtr+nbOfEltsInRevNodal,-1);
588 for(int eltId=0;eltId<nbOfCells;eltId++)
590 const int *strtNdlConnOfCurCell=conn+connIndex[eltId]+1;
591 const int *endNdlConnOfCurCell=conn+connIndex[eltId+1];
592 for(const int *iter=strtNdlConnOfCurCell;iter!=endNdlConnOfCurCell;iter++)
593 if(*iter>=0)//for polyhedrons
594 *std::find_if(revNodalPtr+revNodalIndxPtr[*iter],revNodalPtr+revNodalIndxPtr[*iter+1],std::bind2nd(std::equal_to<int>(),-1))=eltId;
600 int MEDCouplingFastNbrer(int id, unsigned nb, const INTERP_KERNEL::CellModel& cm, bool compute, const int *conn1, const int *conn2)
605 int MEDCouplingOrientationSensitiveNbrer(int id, unsigned nb, const INTERP_KERNEL::CellModel& cm, bool compute, const int *conn1, const int *conn2)
611 if(cm.getOrientationStatus(nb,conn1,conn2))
618 class MinusOneSonsGenerator
621 MinusOneSonsGenerator(const INTERP_KERNEL::CellModel& cm):_cm(cm) { }
622 unsigned getNumberOfSons2(const int *conn, int lgth) const { return _cm.getNumberOfSons2(conn,lgth); }
623 unsigned fillSonCellNodalConnectivity2(int sonId, const int *nodalConn, int lgth, int *sonNodalConn, INTERP_KERNEL::NormalizedCellType& typeOfSon) const { return _cm.fillSonCellNodalConnectivity2(sonId,nodalConn,lgth,sonNodalConn,typeOfSon); }
624 static const int DELTA=1;
626 const INTERP_KERNEL::CellModel& _cm;
629 class MinusOneSonsGeneratorBiQuadratic
632 MinusOneSonsGeneratorBiQuadratic(const INTERP_KERNEL::CellModel& cm):_cm(cm) { }
633 unsigned getNumberOfSons2(const int *conn, int lgth) const { return _cm.getNumberOfSons2(conn,lgth); }
634 unsigned fillSonCellNodalConnectivity2(int sonId, const int *nodalConn, int lgth, int *sonNodalConn, INTERP_KERNEL::NormalizedCellType& typeOfSon) const { return _cm.fillSonCellNodalConnectivity4(sonId,nodalConn,lgth,sonNodalConn,typeOfSon); }
635 static const int DELTA=1;
637 const INTERP_KERNEL::CellModel& _cm;
640 class MinusTwoSonsGenerator
643 MinusTwoSonsGenerator(const INTERP_KERNEL::CellModel& cm):_cm(cm) { }
644 unsigned getNumberOfSons2(const int *conn, int lgth) const { return _cm.getNumberOfEdgesIn3D(conn,lgth); }
645 unsigned fillSonCellNodalConnectivity2(int sonId, const int *nodalConn, int lgth, int *sonNodalConn, INTERP_KERNEL::NormalizedCellType& typeOfSon) const { return _cm.fillSonEdgesNodalConnectivity3D(sonId,nodalConn,lgth,sonNodalConn,typeOfSon); }
646 static const int DELTA=2;
648 const INTERP_KERNEL::CellModel& _cm;
654 * Creates a new MEDCouplingUMesh containing cells, of dimension one less than \a
655 * this->getMeshDimension(), that bound cells of \a this mesh. In addition arrays
656 * describing correspondence between cells of \a this and the result meshes are
657 * returned. The arrays \a desc and \a descIndx describe the descending connectivity,
658 * i.e. enumerate cells of the result mesh bounding each cell of \a this mesh. The
659 * arrays \a revDesc and \a revDescIndx describe the reverse descending connectivity,
660 * i.e. enumerate cells of \a this mesh bounded by each cell of the result mesh.
661 * \warning For speed reasons, this method does not check if node ids in the nodal
662 * connectivity correspond to the size of node coordinates array.
663 * \warning Cells of the result mesh are \b not sorted by geometric type, hence,
664 * to write this mesh to the MED file, its cells must be sorted using
665 * sortCellsInMEDFileFrmt().
666 * \param [in,out] desc - the array containing cell ids of the result mesh bounding
667 * each cell of \a this mesh.
668 * \param [in,out] descIndx - the array, of length \a this->getNumberOfCells() + 1,
669 * dividing cell ids in \a desc into groups each referring to one
670 * cell of \a this mesh. Its every element (except the last one) is an index
671 * pointing to the first id of a group of cells. For example cells of the
672 * result mesh bounding the cell #1 of \a this mesh are described by following
674 * [ \a descIndx[1], \a descIndx[2] ) and the cell ids are
675 * \a desc[ \a descIndx[1] ], \a desc[ \a descIndx[1] + 1], ...
676 * Number of cells of the result mesh sharing the *i*-th cell of \a this mesh is
677 * \a descIndx[ *i*+1 ] - \a descIndx[ *i* ].
678 * \param [in,out] revDesc - the array containing cell ids of \a this mesh bounded
679 * by each cell of the result mesh.
680 * \param [in,out] revDescIndx - the array, of length one more than number of cells
681 * in the result mesh,
682 * dividing cell ids in \a revDesc into groups each referring to one
683 * cell of the result mesh the same way as \a descIndx divides \a desc.
684 * \return MEDCouplingUMesh * - a new instance of MEDCouplingUMesh. The caller is to
685 * delete this mesh using decrRef() as it is no more needed.
686 * \throw If the coordinates array is not set.
687 * \throw If the nodal connectivity of cells is node defined.
688 * \throw If \a desc == NULL || \a descIndx == NULL || \a revDesc == NULL || \a
689 * revDescIndx == NULL.
691 * \ref cpp_mcumesh_buildDescendingConnectivity "Here is a C++ example".<br>
692 * \ref py_mcumesh_buildDescendingConnectivity "Here is a Python example".
693 * \sa buildDescendingConnectivity2()
695 MEDCouplingUMesh *MEDCouplingUMesh::buildDescendingConnectivity(DataArrayInt *desc, DataArrayInt *descIndx, DataArrayInt *revDesc, DataArrayInt *revDescIndx) const
697 return buildDescendingConnectivityGen<MinusOneSonsGenerator>(desc,descIndx,revDesc,revDescIndx,MEDCouplingFastNbrer);
701 * \a this has to have a mesh dimension equal to 3. If it is not the case an INTERP_KERNEL::Exception will be thrown.
702 * This behaves exactly as MEDCouplingUMesh::buildDescendingConnectivity does except that this method compute directly the transition from mesh dimension 3 to sub edges (dimension 1)
703 * in one shot. That is to say that this method is equivalent to 2 successive calls to MEDCouplingUMesh::buildDescendingConnectivity.
704 * This method returns 4 arrays and a mesh as MEDCouplingUMesh::buildDescendingConnectivity does.
705 * \sa MEDCouplingUMesh::buildDescendingConnectivity
707 MEDCouplingUMesh *MEDCouplingUMesh::explode3DMeshTo1D(DataArrayInt *desc, DataArrayInt *descIndx, DataArrayInt *revDesc, DataArrayInt *revDescIndx) const
710 if(getMeshDimension()!=3)
711 throw INTERP_KERNEL::Exception("MEDCouplingUMesh::explode3DMeshTo1D : This has to have a mesh dimension to 3 !");
712 return buildDescendingConnectivityGen<MinusTwoSonsGenerator>(desc,descIndx,revDesc,revDescIndx,MEDCouplingFastNbrer);
716 * Creates a new MEDCouplingUMesh containing cells, of dimension one less than \a
717 * this->getMeshDimension(), that bound cells of \a this mesh. In
718 * addition arrays describing correspondence between cells of \a this and the result
719 * meshes are returned. The arrays \a desc and \a descIndx describe the descending
720 * connectivity, i.e. enumerate cells of the result mesh bounding each cell of \a this
721 * mesh. This method differs from buildDescendingConnectivity() in that apart
722 * from cell ids, \a desc returns mutual orientation of cells in \a this and the
723 * result meshes. So a positive id means that order of nodes in corresponding cells
724 * of two meshes is same, and a negative id means a reverse order of nodes. Since a
725 * cell with id #0 can't be negative, the array \a desc returns ids in FORTRAN mode,
726 * i.e. cell ids are one-based.
727 * Arrays \a revDesc and \a revDescIndx describe the reverse descending connectivity,
728 * i.e. enumerate cells of \a this mesh bounded by each cell of the result mesh.
729 * \warning For speed reasons, this method does not check if node ids in the nodal
730 * connectivity correspond to the size of node coordinates array.
731 * \warning Cells of the result mesh are \b not sorted by geometric type, hence,
732 * to write this mesh to the MED file, its cells must be sorted using
733 * sortCellsInMEDFileFrmt().
734 * \param [in,out] desc - the array containing cell ids of the result mesh bounding
735 * each cell of \a this mesh.
736 * \param [in,out] descIndx - the array, of length \a this->getNumberOfCells() + 1,
737 * dividing cell ids in \a desc into groups each referring to one
738 * cell of \a this mesh. Its every element (except the last one) is an index
739 * pointing to the first id of a group of cells. For example cells of the
740 * result mesh bounding the cell #1 of \a this mesh are described by following
742 * [ \a descIndx[1], \a descIndx[2] ) and the cell ids are
743 * \a desc[ \a descIndx[1] ], \a desc[ \a descIndx[1] + 1], ...
744 * Number of cells of the result mesh sharing the *i*-th cell of \a this mesh is
745 * \a descIndx[ *i*+1 ] - \a descIndx[ *i* ].
746 * \param [in,out] revDesc - the array containing cell ids of \a this mesh bounded
747 * by each cell of the result mesh.
748 * \param [in,out] revDescIndx - the array, of length one more than number of cells
749 * in the result mesh,
750 * dividing cell ids in \a revDesc into groups each referring to one
751 * cell of the result mesh the same way as \a descIndx divides \a desc.
752 * \return MEDCouplingUMesh * - a new instance of MEDCouplingUMesh. This result mesh
753 * shares the node coordinates array with \a this mesh. The caller is to
754 * delete this mesh using decrRef() as it is no more needed.
755 * \throw If the coordinates array is not set.
756 * \throw If the nodal connectivity of cells is node defined.
757 * \throw If \a desc == NULL || \a descIndx == NULL || \a revDesc == NULL || \a
758 * revDescIndx == NULL.
760 * \ref cpp_mcumesh_buildDescendingConnectivity2 "Here is a C++ example".<br>
761 * \ref py_mcumesh_buildDescendingConnectivity2 "Here is a Python example".
762 * \sa buildDescendingConnectivity()
764 MEDCouplingUMesh *MEDCouplingUMesh::buildDescendingConnectivity2(DataArrayInt *desc, DataArrayInt *descIndx, DataArrayInt *revDesc, DataArrayInt *revDescIndx) const
766 return buildDescendingConnectivityGen<MinusOneSonsGenerator>(desc,descIndx,revDesc,revDescIndx,MEDCouplingOrientationSensitiveNbrer);
770 * \b WARNING this method do the assumption that connectivity lies on the coordinates set.
771 * For speed reasons no check of this will be done. This method calls MEDCouplingUMesh::buildDescendingConnectivity to compute the result.
772 * This method lists cell by cell in \b this which are its neighbors. To compute the result only connectivities are considered.
773 * The a cell with id 'cellId' its neighbors are neighbors[neighborsIndx[cellId]:neighborsIndx[cellId+1]].
775 * \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
776 * parameter allows to select the right part in this array. The number of tuples is equal to the last values in \b neighborsIndx.
777 * \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.
779 void MEDCouplingUMesh::computeNeighborsOfCells(DataArrayInt *&neighbors, DataArrayInt *&neighborsIndx) const
781 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> desc=DataArrayInt::New();
782 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> descIndx=DataArrayInt::New();
783 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> revDesc=DataArrayInt::New();
784 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> revDescIndx=DataArrayInt::New();
785 MEDCouplingAutoRefCountObjectPtr<MEDCouplingUMesh> meshDM1=buildDescendingConnectivity(desc,descIndx,revDesc,revDescIndx);
787 ComputeNeighborsOfCellsAdv(desc,descIndx,revDesc,revDescIndx,neighbors,neighborsIndx);
791 * This method is called by MEDCouplingUMesh::computeNeighborsOfCells. This methods performs the algorithm of MEDCouplingUMesh::computeNeighborsOfCells.
792 * 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,
793 * excluding a set of meshdim-1 cells in input descending connectivity.
794 * Typically \b desc, \b descIndx, \b revDesc and \b revDescIndx input params are the result of MEDCouplingUMesh::buildDescendingConnectivity.
795 * This method lists cell by cell in \b this which are its neighbors. To compute the result only connectivities are considered.
796 * The a cell with id 'cellId' its neighbors are neighbors[neighborsIndx[cellId]:neighborsIndx[cellId+1]].
798 * \param [in] desc descending connectivity array.
799 * \param [in] descIndx descending connectivity index array used to walk through \b desc.
800 * \param [in] revDesc reverse descending connectivity array.
801 * \param [in] revDescIndx reverse descending connectivity index array used to walk through \b revDesc.
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::ComputeNeighborsOfCellsAdv(const DataArrayInt *desc, const DataArrayInt *descIndx, const DataArrayInt *revDesc, const DataArrayInt *revDescIndx,
807 DataArrayInt *&neighbors, DataArrayInt *&neighborsIndx) throw(INTERP_KERNEL::Exception)
809 if(!desc || !descIndx || !revDesc || !revDescIndx)
810 throw INTERP_KERNEL::Exception("MEDCouplingUMesh::ComputeNeighborsOfCellsAdv some input array is empty !");
811 const int *descPtr=desc->getConstPointer();
812 const int *descIPtr=descIndx->getConstPointer();
813 const int *revDescPtr=revDesc->getConstPointer();
814 const int *revDescIPtr=revDescIndx->getConstPointer();
816 int nbCells=descIndx->getNumberOfTuples()-1;
817 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> out0=DataArrayInt::New();
818 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> out1=DataArrayInt::New(); out1->alloc(nbCells+1,1);
819 int *out1Ptr=out1->getPointer();
821 out0->reserve(desc->getNumberOfTuples());
822 for(int i=0;i<nbCells;i++,descIPtr++,out1Ptr++)
824 for(const int *w1=descPtr+descIPtr[0];w1!=descPtr+descIPtr[1];w1++)
826 std::set<int> s(revDescPtr+revDescIPtr[*w1],revDescPtr+revDescIPtr[(*w1)+1]);
828 out0->insertAtTheEnd(s.begin(),s.end());
830 *out1Ptr=out0->getNumberOfTuples();
832 neighbors=out0.retn();
833 neighborsIndx=out1.retn();
839 * \b WARNING this method do the assumption that connectivity lies on the coordinates set.
840 * For speed reasons no check of this will be done.
842 template<class SonsGenerator>
843 MEDCouplingUMesh *MEDCouplingUMesh::buildDescendingConnectivityGen(DataArrayInt *desc, DataArrayInt *descIndx, DataArrayInt *revDesc, DataArrayInt *revDescIndx, DimM1DescNbrer nbrer) const
845 if(!desc || !descIndx || !revDesc || !revDescIndx)
846 throw INTERP_KERNEL::Exception("MEDCouplingUMesh::buildDescendingConnectivityGen : present of a null pointer in input !");
847 checkConnectivityFullyDefined();
848 int nbOfCells=getNumberOfCells();
849 int nbOfNodes=getNumberOfNodes();
850 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> revNodalIndx=DataArrayInt::New(); revNodalIndx->alloc(nbOfNodes+1,1); revNodalIndx->fillWithZero();
851 int *revNodalIndxPtr=revNodalIndx->getPointer();
852 const int *conn=_nodal_connec->getConstPointer();
853 const int *connIndex=_nodal_connec_index->getConstPointer();
854 std::string name="Mesh constituent of "; name+=getName();
855 MEDCouplingAutoRefCountObjectPtr<MEDCouplingUMesh> ret=MEDCouplingUMesh::New(name.c_str(),getMeshDimension()-SonsGenerator::DELTA);
856 ret->setCoords(getCoords());
857 ret->allocateCells(2*nbOfCells);
858 descIndx->alloc(nbOfCells+1,1);
859 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> revDesc2(DataArrayInt::New()); revDesc2->reserve(2*nbOfCells);
860 int *descIndxPtr=descIndx->getPointer(); *descIndxPtr++=0;
861 for(int eltId=0;eltId<nbOfCells;eltId++,descIndxPtr++)
863 int pos=connIndex[eltId];
864 int posP1=connIndex[eltId+1];
865 const INTERP_KERNEL::CellModel& cm=INTERP_KERNEL::CellModel::GetCellModel((INTERP_KERNEL::NormalizedCellType)conn[pos]);
866 SonsGenerator sg(cm);
867 unsigned nbOfSons=sg.getNumberOfSons2(conn+pos+1,posP1-pos-1);
868 INTERP_KERNEL::AutoPtr<int> tmp=new int[posP1-pos];
869 for(unsigned i=0;i<nbOfSons;i++)
871 INTERP_KERNEL::NormalizedCellType cmsId;
872 unsigned nbOfNodesSon=sg.fillSonCellNodalConnectivity2(i,conn+pos+1,posP1-pos-1,tmp,cmsId);
873 for(unsigned k=0;k<nbOfNodesSon;k++)
875 revNodalIndxPtr[tmp[k]+1]++;
876 ret->insertNextCell(cmsId,nbOfNodesSon,tmp);
877 revDesc2->pushBackSilent(eltId);
879 descIndxPtr[0]=descIndxPtr[-1]+(int)nbOfSons;
881 int nbOfCellsM1=ret->getNumberOfCells();
882 std::transform(revNodalIndxPtr+1,revNodalIndxPtr+nbOfNodes+1,revNodalIndxPtr,revNodalIndxPtr+1,std::plus<int>());
883 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> revNodal=DataArrayInt::New(); revNodal->alloc(revNodalIndx->back(),1);
884 std::fill(revNodal->getPointer(),revNodal->getPointer()+revNodalIndx->back(),-1);
885 int *revNodalPtr=revNodal->getPointer();
886 const int *connM1=ret->getNodalConnectivity()->getConstPointer();
887 const int *connIndexM1=ret->getNodalConnectivityIndex()->getConstPointer();
888 for(int eltId=0;eltId<nbOfCellsM1;eltId++)
890 const int *strtNdlConnOfCurCell=connM1+connIndexM1[eltId]+1;
891 const int *endNdlConnOfCurCell=connM1+connIndexM1[eltId+1];
892 for(const int *iter=strtNdlConnOfCurCell;iter!=endNdlConnOfCurCell;iter++)
893 if(*iter>=0)//for polyhedrons
894 *std::find_if(revNodalPtr+revNodalIndxPtr[*iter],revNodalPtr+revNodalIndxPtr[*iter+1],std::bind2nd(std::equal_to<int>(),-1))=eltId;
897 DataArrayInt *commonCells=0,*commonCellsI=0;
898 FindCommonCellsAlg(3,0,ret->getNodalConnectivity(),ret->getNodalConnectivityIndex(),revNodal,revNodalIndx,commonCells,commonCellsI);
899 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> commonCellsTmp(commonCells),commonCellsITmp(commonCellsI);
900 const int *commonCellsPtr(commonCells->getConstPointer()),*commonCellsIPtr(commonCellsI->getConstPointer());
901 int newNbOfCellsM1=-1;
902 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> o2nM1=DataArrayInt::BuildOld2NewArrayFromSurjectiveFormat2(nbOfCellsM1,commonCells->begin(),
903 commonCellsI->begin(),commonCellsI->end(),newNbOfCellsM1);
904 std::vector<bool> isImpacted(nbOfCellsM1,false);
905 for(const int *work=commonCellsI->begin();work!=commonCellsI->end()-1;work++)
906 for(int work2=work[0];work2!=work[1];work2++)
907 isImpacted[commonCellsPtr[work2]]=true;
908 const int *o2nM1Ptr=o2nM1->getConstPointer();
909 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> n2oM1=o2nM1->invertArrayO2N2N2OBis(newNbOfCellsM1);
910 const int *n2oM1Ptr=n2oM1->getConstPointer();
911 MEDCouplingAutoRefCountObjectPtr<MEDCouplingUMesh> ret2=static_cast<MEDCouplingUMesh *>(ret->buildPartOfMySelf(n2oM1->begin(),n2oM1->end(),true));
912 ret2->copyTinyInfoFrom(this);
913 desc->alloc(descIndx->back(),1);
914 int *descPtr=desc->getPointer();
915 const INTERP_KERNEL::CellModel& cmsDft=INTERP_KERNEL::CellModel::GetCellModel(INTERP_KERNEL::NORM_POINT1);
916 for(int i=0;i<nbOfCellsM1;i++,descPtr++)
919 *descPtr=nbrer(o2nM1Ptr[i],0,cmsDft,false,0,0);
922 if(i!=n2oM1Ptr[o2nM1Ptr[i]])
924 const INTERP_KERNEL::CellModel& cms=INTERP_KERNEL::CellModel::GetCellModel((INTERP_KERNEL::NormalizedCellType)connM1[connIndexM1[i]]);
925 *descPtr=nbrer(o2nM1Ptr[i],connIndexM1[i+1]-connIndexM1[i]-1,cms,true,connM1+connIndexM1[n2oM1Ptr[o2nM1Ptr[i]]]+1,connM1+connIndexM1[i]+1);
928 *descPtr=nbrer(o2nM1Ptr[i],0,cmsDft,false,0,0);
931 revDesc->reserve(newNbOfCellsM1);
932 revDescIndx->alloc(newNbOfCellsM1+1,1);
933 int *revDescIndxPtr=revDescIndx->getPointer(); *revDescIndxPtr++=0;
934 const int *revDesc2Ptr=revDesc2->getConstPointer();
935 for(int i=0;i<newNbOfCellsM1;i++,revDescIndxPtr++)
937 int oldCellIdM1=n2oM1Ptr[i];
938 if(!isImpacted[oldCellIdM1])
940 revDesc->pushBackSilent(revDesc2Ptr[oldCellIdM1]);
941 revDescIndxPtr[0]=revDescIndxPtr[-1]+1;
945 for(int j=commonCellsIPtr[0];j<commonCellsIPtr[1];j++)
946 revDesc->pushBackSilent(revDesc2Ptr[commonCellsPtr[j]]);
947 revDescIndxPtr[0]=revDescIndxPtr[-1]+commonCellsIPtr[1]-commonCellsIPtr[0];
955 struct MEDCouplingAccVisit
957 MEDCouplingAccVisit():_new_nb_of_nodes(0) { }
958 int operator()(int val) { if(val!=-1) return _new_nb_of_nodes++; else return -1; }
959 int _new_nb_of_nodes;
965 * Converts specified cells to either polygons (if \a this is a 2D mesh) or
966 * polyhedrons (if \a this is a 3D mesh). The cells to convert are specified by an
967 * array of cell ids. Pay attention that after conversion all algorithms work slower
968 * with \a this mesh than before conversion. <br> If an exception is thrown during the
969 * conversion due presence of invalid ids in the array of cells to convert, as a
970 * result \a this mesh contains some already converted elements. In this case the 2D
971 * mesh remains valid but 3D mesh becomes \b inconsistent!
972 * \warning This method can significantly modify the order of geometric types in \a this,
973 * hence, to write this mesh to the MED file, its cells must be sorted using
974 * sortCellsInMEDFileFrmt().
975 * \param [in] cellIdsToConvertBg - the array holding ids of cells to convert.
976 * \param [in] cellIdsToConvertEnd - a pointer to the last-plus-one-th element of \a
977 * cellIdsToConvertBg.
978 * \throw If the coordinates array is not set.
979 * \throw If the nodal connectivity of cells is node defined.
980 * \throw If dimension of \a this mesh is not either 2 or 3.
982 * \ref cpp_mcumesh_convertToPolyTypes "Here is a C++ example".<br>
983 * \ref py_mcumesh_convertToPolyTypes "Here is a Python example".
985 void MEDCouplingUMesh::convertToPolyTypes(const int *cellIdsToConvertBg, const int *cellIdsToConvertEnd)
988 int dim=getMeshDimension();
990 throw INTERP_KERNEL::Exception("Invalid mesh dimension : must be 2 or 3 !");
991 int nbOfCells=getNumberOfCells();
994 const int *connIndex=_nodal_connec_index->getConstPointer();
995 int *conn=_nodal_connec->getPointer();
996 for(const int *iter=cellIdsToConvertBg;iter!=cellIdsToConvertEnd;iter++)
998 if(*iter>=0 && *iter<nbOfCells)
1000 const INTERP_KERNEL::CellModel& cm=INTERP_KERNEL::CellModel::GetCellModel((INTERP_KERNEL::NormalizedCellType)conn[connIndex[*iter]]);
1001 if(!cm.isQuadratic())
1002 conn[connIndex[*iter]]=INTERP_KERNEL::NORM_POLYGON;
1004 conn[connIndex[*iter]]=INTERP_KERNEL::NORM_QPOLYG;
1008 std::ostringstream oss; oss << "MEDCouplingUMesh::convertToPolyTypes : On rank #" << std::distance(cellIdsToConvertBg,iter) << " value is " << *iter << " which is not";
1009 oss << " in range [0," << nbOfCells << ") !";
1010 throw INTERP_KERNEL::Exception(oss.str().c_str());
1016 int *connIndex=_nodal_connec_index->getPointer();
1017 int connIndexLgth=_nodal_connec_index->getNbOfElems();
1018 const int *connOld=_nodal_connec->getConstPointer();
1019 int connOldLgth=_nodal_connec->getNbOfElems();
1020 std::vector<int> connNew(connOld,connOld+connOldLgth);
1021 for(const int *iter=cellIdsToConvertBg;iter!=cellIdsToConvertEnd;iter++)
1023 if(*iter>=0 && *iter<nbOfCells)
1025 int pos=connIndex[*iter];
1026 int posP1=connIndex[(*iter)+1];
1027 int lgthOld=posP1-pos-1;
1028 const INTERP_KERNEL::CellModel& cm=INTERP_KERNEL::CellModel::GetCellModel((INTERP_KERNEL::NormalizedCellType)connNew[pos]);
1029 connNew[pos]=INTERP_KERNEL::NORM_POLYHED;
1030 unsigned nbOfFaces=cm.getNumberOfSons2(&connNew[pos+1],lgthOld);
1031 int *tmp=new int[nbOfFaces*lgthOld];
1033 for(int j=0;j<(int)nbOfFaces;j++)
1035 INTERP_KERNEL::NormalizedCellType type;
1036 unsigned offset=cm.fillSonCellNodalConnectivity2(j,&connNew[pos+1],lgthOld,work,type);
1040 std::size_t newLgth=std::distance(tmp,work)-1;
1041 std::size_t delta=newLgth-lgthOld;
1042 std::transform(connIndex+(*iter)+1,connIndex+connIndexLgth,connIndex+(*iter)+1,std::bind2nd(std::plus<int>(),delta));
1043 connNew.insert(connNew.begin()+posP1,tmp+lgthOld,tmp+newLgth);
1044 std::copy(tmp,tmp+lgthOld,connNew.begin()+pos+1);
1049 std::ostringstream oss; oss << "MEDCouplingUMesh::convertToPolyTypes : On rank #" << std::distance(cellIdsToConvertBg,iter) << " value is " << *iter << " which is not";
1050 oss << " in range [0," << nbOfCells << ") !";
1051 throw INTERP_KERNEL::Exception(oss.str().c_str());
1054 _nodal_connec->alloc((int)connNew.size(),1);
1055 int *newConnPtr=_nodal_connec->getPointer();
1056 std::copy(connNew.begin(),connNew.end(),newConnPtr);
1062 * Converts all cells to either polygons (if \a this is a 2D mesh) or
1063 * polyhedrons (if \a this is a 3D mesh).
1064 * \warning As this method is purely for user-friendliness and no optimization is
1065 * done to avoid construction of a useless vector, this method can be costly
1067 * \throw If the coordinates array is not set.
1068 * \throw If the nodal connectivity of cells is node defined.
1069 * \throw If dimension of \a this mesh is not either 2 or 3.
1071 void MEDCouplingUMesh::convertAllToPoly()
1073 int nbOfCells=getNumberOfCells();
1074 std::vector<int> cellIds(nbOfCells);
1075 for(int i=0;i<nbOfCells;i++)
1077 convertToPolyTypes(&cellIds[0],&cellIds[0]+cellIds.size());
1081 * Fixes nodal connectivity of invalid cells of type NORM_POLYHED. This method
1082 * expects that all NORM_POLYHED cells have connectivity similar to that of prismatic
1083 * volumes like NORM_HEXA8, NORM_PENTA6 etc., i.e. the first half of nodes describes a
1084 * base facet of the volume and the second half of nodes describes an opposite facet
1085 * having the same number of nodes as the base one. This method converts such
1086 * connectivity to a valid polyhedral format where connectivity of each facet is
1087 * explicitly described and connectivity of facets are separated by -1. If \a this mesh
1088 * contains a NORM_POLYHED cell with a valid connectivity, or an invalid connectivity is
1089 * not as expected, an exception is thrown and the mesh remains unchanged. Care of
1090 * a correct orientation of the first facet of a polyhedron, else orientation of a
1091 * corrected cell is reverse.<br>
1092 * This method is useful to build an extruded unstructured mesh with polyhedrons as
1093 * it releases the user from boring description of polyhedra connectivity in the valid
1095 * \throw If \a this->getMeshDimension() != 3.
1096 * \throw If \a this->getSpaceDimension() != 3.
1097 * \throw If the nodal connectivity of cells is not defined.
1098 * \throw If the coordinates array is not set.
1099 * \throw If \a this mesh contains polyhedrons with the valid connectivity.
1100 * \throw If \a this mesh contains polyhedrons with odd number of nodes.
1102 * \ref cpp_mcumesh_arePolyhedronsNotCorrectlyOriented "Here is a C++ example".<br>
1103 * \ref py_mcumesh_arePolyhedronsNotCorrectlyOriented "Here is a Python example".
1105 void MEDCouplingUMesh::convertExtrudedPolyhedra()
1107 checkFullyDefined();
1108 if(getMeshDimension()!=3 || getSpaceDimension()!=3)
1109 throw INTERP_KERNEL::Exception("MEDCouplingUMesh::convertExtrudedPolyhedra works on umeshes with meshdim equal to 3 and spaceDim equal to 3 too!");
1110 int nbOfCells=getNumberOfCells();
1111 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> newCi=DataArrayInt::New();
1112 newCi->alloc(nbOfCells+1,1);
1113 int *newci=newCi->getPointer();
1114 const int *ci=_nodal_connec_index->getConstPointer();
1115 const int *c=_nodal_connec->getConstPointer();
1117 for(int i=0;i<nbOfCells;i++)
1119 INTERP_KERNEL::NormalizedCellType type=(INTERP_KERNEL::NormalizedCellType)c[ci[i]];
1120 if(type==INTERP_KERNEL::NORM_POLYHED)
1122 if(std::count(c+ci[i]+1,c+ci[i+1],-1)!=0)
1124 std::ostringstream oss; oss << "MEDCouplingUMesh::convertExtrudedPolyhedra : cell # " << i << " is a polhedron BUT it has NOT exactly 1 face !";
1125 throw INTERP_KERNEL::Exception(oss.str().c_str());
1127 std::size_t n2=std::distance(c+ci[i]+1,c+ci[i+1]);
1130 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 !";
1131 throw INTERP_KERNEL::Exception(oss.str().c_str());
1134 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)
1137 newci[i+1]=(ci[i+1]-ci[i])+newci[i];
1139 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> newC=DataArrayInt::New();
1140 newC->alloc(newci[nbOfCells],1);
1141 int *newc=newC->getPointer();
1142 for(int i=0;i<nbOfCells;i++)
1144 INTERP_KERNEL::NormalizedCellType type=(INTERP_KERNEL::NormalizedCellType)c[ci[i]];
1145 if(type==INTERP_KERNEL::NORM_POLYHED)
1147 std::size_t n1=std::distance(c+ci[i]+1,c+ci[i+1])/2;
1148 newc=std::copy(c+ci[i],c+ci[i]+n1+1,newc);
1150 for(std::size_t j=0;j<n1;j++)
1152 newc[j]=c[ci[i]+1+n1+(n1-j)%n1];
1154 newc[n1+5*j+1]=c[ci[i]+1+j];
1155 newc[n1+5*j+2]=c[ci[i]+1+j+n1];
1156 newc[n1+5*j+3]=c[ci[i]+1+(j+1)%n1+n1];
1157 newc[n1+5*j+4]=c[ci[i]+1+(j+1)%n1];
1162 newc=std::copy(c+ci[i],c+ci[i+1],newc);
1164 _nodal_connec_index->decrRef(); _nodal_connec_index=newCi.retn();
1165 _nodal_connec->decrRef(); _nodal_connec=newC.retn();
1170 * Converts all polygons (if \a this is a 2D mesh) or polyhedrons (if \a this is a 3D
1171 * mesh) to cells of classical types. This method is opposite to convertToPolyTypes().
1172 * \warning Cells of the result mesh are \b not sorted by geometric type, hence,
1173 * to write this mesh to the MED file, its cells must be sorted using
1174 * sortCellsInMEDFileFrmt().
1175 * \return \c true if at least one cell has been converted, \c false else. In the
1176 * last case the nodal connectivity remains unchanged.
1177 * \throw If the coordinates array is not set.
1178 * \throw If the nodal connectivity of cells is not defined.
1179 * \throw If \a this->getMeshDimension() < 0.
1181 bool MEDCouplingUMesh::unPolyze()
1183 checkFullyDefined();
1184 int mdim=getMeshDimension();
1186 throw INTERP_KERNEL::Exception("MEDCouplingUMesh::unPolyze works on umeshes with meshdim equals to 0, 1 2 or 3 !");
1189 int nbOfCells=getNumberOfCells();
1192 int initMeshLgth=getMeshLength();
1193 int *conn=_nodal_connec->getPointer();
1194 int *index=_nodal_connec_index->getPointer();
1199 for(int i=0;i<nbOfCells;i++)
1201 lgthOfCurCell=index[i+1]-posOfCurCell;
1202 INTERP_KERNEL::NormalizedCellType type=(INTERP_KERNEL::NormalizedCellType)conn[posOfCurCell];
1203 const INTERP_KERNEL::CellModel& cm=INTERP_KERNEL::CellModel::GetCellModel(type);
1204 INTERP_KERNEL::NormalizedCellType newType=INTERP_KERNEL::NORM_ERROR;
1208 switch(cm.getDimension())
1212 INTERP_KERNEL::AutoPtr<int> tmp=new int[lgthOfCurCell-1];
1213 std::copy(conn+posOfCurCell+1,conn+posOfCurCell+lgthOfCurCell,(int *)tmp);
1214 newType=INTERP_KERNEL::CellSimplify::tryToUnPoly2D(cm.isQuadratic(),tmp,lgthOfCurCell-1,conn+newPos+1,newLgth);
1219 int nbOfFaces,lgthOfPolyhConn;
1220 INTERP_KERNEL::AutoPtr<int> zipFullReprOfPolyh=INTERP_KERNEL::CellSimplify::getFullPolyh3DCell(type,conn+posOfCurCell+1,lgthOfCurCell-1,nbOfFaces,lgthOfPolyhConn);
1221 newType=INTERP_KERNEL::CellSimplify::tryToUnPoly3D(zipFullReprOfPolyh,nbOfFaces,lgthOfPolyhConn,conn+newPos+1,newLgth);
1226 newType=(lgthOfCurCell==3)?INTERP_KERNEL::NORM_SEG2:INTERP_KERNEL::NORM_POLYL;
1230 ret=ret || (newType!=type);
1231 conn[newPos]=newType;
1233 posOfCurCell=index[i+1];
1238 std::copy(conn+posOfCurCell,conn+posOfCurCell+lgthOfCurCell,conn+newPos);
1239 newPos+=lgthOfCurCell;
1240 posOfCurCell+=lgthOfCurCell;
1244 if(newPos!=initMeshLgth)
1245 _nodal_connec->reAlloc(newPos);
1252 * This method expects that spaceDimension is equal to 3 and meshDimension equal to 3.
1253 * This method performs operation only on polyhedrons in \b this. If no polyhedrons exists in \b this, \b this remains unchanged.
1254 * This method allows to merge if any coplanar 3DSurf cells that may appear in some polyhedrons cells.
1256 * \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
1259 void MEDCouplingUMesh::simplifyPolyhedra(double eps)
1261 checkFullyDefined();
1262 if(getMeshDimension()!=3 || getSpaceDimension()!=3)
1263 throw INTERP_KERNEL::Exception("MEDCouplingUMesh::simplifyPolyhedra : works on meshdimension 3 and spaceDimension 3 !");
1264 MEDCouplingAutoRefCountObjectPtr<DataArrayDouble> coords=getCoords()->deepCpy();
1265 coords->recenterForMaxPrecision(eps);
1267 int nbOfCells=getNumberOfCells();
1268 const int *conn=_nodal_connec->getConstPointer();
1269 const int *index=_nodal_connec_index->getConstPointer();
1270 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> connINew=DataArrayInt::New();
1271 connINew->alloc(nbOfCells+1,1);
1272 int *connINewPtr=connINew->getPointer(); *connINewPtr++=0;
1273 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> connNew=DataArrayInt::New(); connNew->alloc(0,1);
1275 for(int i=0;i<nbOfCells;i++,connINewPtr++)
1277 if(conn[index[i]]==(int)INTERP_KERNEL::NORM_POLYHED)
1279 SimplifyPolyhedronCell(eps,coords,conn+index[i],conn+index[i+1],connNew);
1283 connNew->insertAtTheEnd(conn+index[i],conn+index[i+1]);
1284 *connINewPtr=connNew->getNumberOfTuples();
1287 setConnectivity(connNew,connINew,false);
1291 * This method returns all node ids used in \b this. The data array returned has to be dealt by the caller.
1292 * The returned node ids are sortes ascendingly. This method is closed to MEDCouplingUMesh::getNodeIdsInUse except
1293 * the format of returned DataArrayInt instance.
1295 * \return a newly allocated DataArrayInt sorted ascendingly of fetched node ids.
1296 * \sa MEDCouplingUMesh::getNodeIdsInUse
1298 DataArrayInt *MEDCouplingUMesh::computeFetchedNodeIds() const
1300 checkConnectivityFullyDefined();
1301 int nbOfCells=getNumberOfCells();
1302 const int *connIndex=_nodal_connec_index->getConstPointer();
1303 const int *conn=_nodal_connec->getConstPointer();
1304 const int *maxEltPt=std::max_element(_nodal_connec->begin(),_nodal_connec->end());
1305 int maxElt=maxEltPt==_nodal_connec->end()?0:std::abs(*maxEltPt)+1;
1306 std::vector<bool> retS(maxElt,false);
1307 for(int i=0;i<nbOfCells;i++)
1308 for(int j=connIndex[i]+1;j<connIndex[i+1];j++)
1312 for(int i=0;i<maxElt;i++)
1315 DataArrayInt *ret=DataArrayInt::New();
1317 int *retPtr=ret->getPointer();
1318 for(int i=0;i<maxElt;i++)
1325 * \param [in,out] nodeIdsInUse an array of size typically equal to nbOfNodes.
1326 * \sa MEDCouplingUMesh::getNodeIdsInUse
1328 void MEDCouplingUMesh::computeNodeIdsAlg(std::vector<bool>& nodeIdsInUse) const
1330 int nbOfNodes=(int)nodeIdsInUse.size();
1331 int nbOfCells=getNumberOfCells();
1332 const int *connIndex=_nodal_connec_index->getConstPointer();
1333 const int *conn=_nodal_connec->getConstPointer();
1334 for(int i=0;i<nbOfCells;i++)
1335 for(int j=connIndex[i]+1;j<connIndex[i+1];j++)
1338 if(conn[j]<nbOfNodes)
1339 nodeIdsInUse[conn[j]]=true;
1342 std::ostringstream oss; oss << "MEDCouplingUMesh::getNodeIdsInUse : In cell #" << i << " presence of node id " << conn[j] << " not in [0," << nbOfNodes << ") !";
1343 throw INTERP_KERNEL::Exception(oss.str().c_str());
1349 * Finds nodes not used in any cell and returns an array giving a new id to every node
1350 * by excluding the unused nodes, for which the array holds -1. The result array is
1351 * a mapping in "Old to New" mode.
1352 * \param [out] nbrOfNodesInUse - number of node ids present in the nodal connectivity.
1353 * \return DataArrayInt * - a new instance of DataArrayInt. Its length is \a
1354 * this->getNumberOfNodes(). It holds for each node of \a this mesh either -1
1355 * if the node is unused or a new id else. The caller is to delete this
1356 * array using decrRef() as it is no more needed.
1357 * \throw If the coordinates array is not set.
1358 * \throw If the nodal connectivity of cells is not defined.
1359 * \throw If the nodal connectivity includes an invalid id.
1361 * \ref cpp_mcumesh_getNodeIdsInUse "Here is a C++ example".<br>
1362 * \ref py_mcumesh_getNodeIdsInUse "Here is a Python example".
1363 * \sa computeNodeIdsAlg()
1365 DataArrayInt *MEDCouplingUMesh::getNodeIdsInUse(int& nbrOfNodesInUse) const
1368 int nbOfNodes=getNumberOfNodes();
1369 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> ret=DataArrayInt::New();
1370 ret->alloc(nbOfNodes,1);
1371 int *traducer=ret->getPointer();
1372 std::fill(traducer,traducer+nbOfNodes,-1);
1373 int nbOfCells=getNumberOfCells();
1374 const int *connIndex=_nodal_connec_index->getConstPointer();
1375 const int *conn=_nodal_connec->getConstPointer();
1376 for(int i=0;i<nbOfCells;i++)
1377 for(int j=connIndex[i]+1;j<connIndex[i+1];j++)
1380 if(conn[j]<nbOfNodes)
1381 traducer[conn[j]]=1;
1384 std::ostringstream oss; oss << "MEDCouplingUMesh::getNodeIdsInUse : In cell #" << i << " presence of node id " << conn[j] << " not in [0," << nbOfNodes << ") !";
1385 throw INTERP_KERNEL::Exception(oss.str().c_str());
1388 nbrOfNodesInUse=(int)std::count(traducer,traducer+nbOfNodes,1);
1389 std::transform(traducer,traducer+nbOfNodes,traducer,MEDCouplingAccVisit());
1394 * This method returns a newly allocated array containing this->getNumberOfCells() tuples and 1 component.
1395 * For each cell in \b this the number of nodes constituting cell is computed.
1396 * For each polyhedron cell, the sum of the number of nodes of each face constituting polyhedron cell is returned.
1397 * So for pohyhedrons some nodes can be counted several times in the returned result.
1399 * \return a newly allocated array
1400 * \sa MEDCouplingUMesh::computeEffectiveNbOfNodesPerCell
1402 DataArrayInt *MEDCouplingUMesh::computeNbOfNodesPerCell() const
1404 checkConnectivityFullyDefined();
1405 int nbOfCells=getNumberOfCells();
1406 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> ret=DataArrayInt::New();
1407 ret->alloc(nbOfCells,1);
1408 int *retPtr=ret->getPointer();
1409 const int *conn=getNodalConnectivity()->getConstPointer();
1410 const int *connI=getNodalConnectivityIndex()->getConstPointer();
1411 for(int i=0;i<nbOfCells;i++,retPtr++)
1413 if(conn[connI[i]]!=(int)INTERP_KERNEL::NORM_POLYHED)
1414 *retPtr=connI[i+1]-connI[i]-1;
1416 *retPtr=connI[i+1]-connI[i]-1-std::count(conn+connI[i]+1,conn+connI[i+1],-1);
1422 * This method computes effective number of nodes per cell. That is to say nodes appearing several times in nodal connectivity of a cell,
1423 * will be counted only once here whereas it will be counted several times in MEDCouplingUMesh::computeNbOfNodesPerCell method.
1425 * \return DataArrayInt * - new object to be deallocated by the caller.
1426 * \sa MEDCouplingUMesh::computeNbOfNodesPerCell
1428 DataArrayInt *MEDCouplingUMesh::computeEffectiveNbOfNodesPerCell() const
1430 checkConnectivityFullyDefined();
1431 int nbOfCells=getNumberOfCells();
1432 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> ret=DataArrayInt::New();
1433 ret->alloc(nbOfCells,1);
1434 int *retPtr=ret->getPointer();
1435 const int *conn=getNodalConnectivity()->getConstPointer();
1436 const int *connI=getNodalConnectivityIndex()->getConstPointer();
1437 for(int i=0;i<nbOfCells;i++,retPtr++)
1439 std::set<int> s(conn+connI[i]+1,conn+connI[i+1]);
1440 if(conn[connI[i]]!=(int)INTERP_KERNEL::NORM_POLYHED)
1441 *retPtr=(int)s.size();
1445 *retPtr=(int)s.size();
1452 * This method returns a newly allocated array containing this->getNumberOfCells() tuples and 1 component.
1453 * For each cell in \b this the number of faces constituting (entity of dimension this->getMeshDimension()-1) cell is computed.
1455 * \return a newly allocated array
1457 DataArrayInt *MEDCouplingUMesh::computeNbOfFacesPerCell() const
1459 checkConnectivityFullyDefined();
1460 int nbOfCells=getNumberOfCells();
1461 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> ret=DataArrayInt::New();
1462 ret->alloc(nbOfCells,1);
1463 int *retPtr=ret->getPointer();
1464 const int *conn=getNodalConnectivity()->getConstPointer();
1465 const int *connI=getNodalConnectivityIndex()->getConstPointer();
1466 for(int i=0;i<nbOfCells;i++,retPtr++,connI++)
1468 const INTERP_KERNEL::CellModel& cm=INTERP_KERNEL::CellModel::GetCellModel((INTERP_KERNEL::NormalizedCellType)conn[*connI]);
1469 *retPtr=cm.getNumberOfSons2(conn+connI[0]+1,connI[1]-connI[0]-1);
1475 * Removes unused nodes (the node coordinates array is shorten) and returns an array
1476 * mapping between new and old node ids in "Old to New" mode. -1 values in the returned
1477 * array mean that the corresponding old node is no more used.
1478 * \return DataArrayInt * - a new instance of DataArrayInt of length \a
1479 * this->getNumberOfNodes() before call of this method. The caller is to
1480 * delete this array using decrRef() as it is no more needed.
1481 * \throw If the coordinates array is not set.
1482 * \throw If the nodal connectivity of cells is not defined.
1483 * \throw If the nodal connectivity includes an invalid id.
1485 * \ref cpp_mcumesh_zipCoordsTraducer "Here is a C++ example".<br>
1486 * \ref py_mcumesh_zipCoordsTraducer "Here is a Python example".
1488 DataArrayInt *MEDCouplingUMesh::zipCoordsTraducer()
1490 return MEDCouplingPointSet::zipCoordsTraducer();
1494 * This method stands if 'cell1' and 'cell2' are equals regarding 'compType' policy.
1495 * The semantic of 'compType' is specified in MEDCouplingPointSet::zipConnectivityTraducer method.
1497 int MEDCouplingUMesh::AreCellsEqual(const int *conn, const int *connI, int cell1, int cell2, int compType)
1502 return AreCellsEqual0(conn,connI,cell1,cell2);
1504 return AreCellsEqual1(conn,connI,cell1,cell2);
1506 return AreCellsEqual2(conn,connI,cell1,cell2);
1508 return AreCellsEqual3(conn,connI,cell1,cell2);
1510 return AreCellsEqual7(conn,connI,cell1,cell2);
1512 throw INTERP_KERNEL::Exception("Unknown comparison asked ! Must be in 0,1,2,3 or 7.");
1516 * This method is the last step of the MEDCouplingPointSet::zipConnectivityTraducer with policy 0.
1518 int MEDCouplingUMesh::AreCellsEqual0(const int *conn, const int *connI, int cell1, int cell2)
1520 if(connI[cell1+1]-connI[cell1]==connI[cell2+1]-connI[cell2])
1521 return std::equal(conn+connI[cell1]+1,conn+connI[cell1+1],conn+connI[cell2]+1)?1:0;
1526 * This method is the last step of the MEDCouplingPointSet::zipConnectivityTraducer with policy 1.
1528 int MEDCouplingUMesh::AreCellsEqual1(const int *conn, const int *connI, int cell1, int cell2)
1530 int sz=connI[cell1+1]-connI[cell1];
1531 if(sz==connI[cell2+1]-connI[cell2])
1533 if(conn[connI[cell1]]==conn[connI[cell2]])
1535 const INTERP_KERNEL::CellModel& cm=INTERP_KERNEL::CellModel::GetCellModel((INTERP_KERNEL::NormalizedCellType)conn[connI[cell1]]);
1536 unsigned dim=cm.getDimension();
1542 INTERP_KERNEL::AutoPtr<int> tmp=new int[sz1];
1543 int *work=std::copy(conn+connI[cell1]+1,conn+connI[cell1+1],(int *)tmp);
1544 std::copy(conn+connI[cell1]+1,conn+connI[cell1+1],work);
1545 work=std::search((int *)tmp,(int *)tmp+sz1,conn+connI[cell2]+1,conn+connI[cell2+1]);
1546 return work!=tmp+sz1?1:0;
1549 return std::equal(conn+connI[cell1]+1,conn+connI[cell1+1],conn+connI[cell2]+1)?1:0;//case of SEG2 and SEG3
1552 throw INTERP_KERNEL::Exception("MEDCouplingUMesh::AreCellsEqual1 : not implemented yet for meshdim == 3 !");
1559 * This method is the last step of the MEDCouplingPointSet::zipConnectivityTraducer with policy 2.
1561 int MEDCouplingUMesh::AreCellsEqual2(const int *conn, const int *connI, int cell1, int cell2)
1563 if(connI[cell1+1]-connI[cell1]==connI[cell2+1]-connI[cell2])
1565 if(conn[connI[cell1]]==conn[connI[cell2]])
1567 std::set<int> s1(conn+connI[cell1]+1,conn+connI[cell1+1]);
1568 std::set<int> s2(conn+connI[cell2]+1,conn+connI[cell2+1]);
1576 * This method is less restrictive than AreCellsEqual2. Here the geometric type is absolutely not taken into account !
1578 int MEDCouplingUMesh::AreCellsEqual3(const int *conn, const int *connI, int cell1, int cell2)
1580 if(connI[cell1+1]-connI[cell1]==connI[cell2+1]-connI[cell2])
1582 std::set<int> s1(conn+connI[cell1]+1,conn+connI[cell1+1]);
1583 std::set<int> s2(conn+connI[cell2]+1,conn+connI[cell2+1]);
1590 * This method is the last step of the MEDCouplingPointSet::zipConnectivityTraducer with policy 7.
1592 int MEDCouplingUMesh::AreCellsEqual7(const int *conn, const int *connI, int cell1, int cell2)
1594 int sz=connI[cell1+1]-connI[cell1];
1595 if(sz==connI[cell2+1]-connI[cell2])
1597 if(conn[connI[cell1]]==conn[connI[cell2]])
1599 const INTERP_KERNEL::CellModel& cm=INTERP_KERNEL::CellModel::GetCellModel((INTERP_KERNEL::NormalizedCellType)conn[connI[cell1]]);
1600 unsigned dim=cm.getDimension();
1606 INTERP_KERNEL::AutoPtr<int> tmp=new int[sz1];
1607 int *work=std::copy(conn+connI[cell1]+1,conn+connI[cell1+1],(int *)tmp);
1608 std::copy(conn+connI[cell1]+1,conn+connI[cell1+1],work);
1609 work=std::search((int *)tmp,(int *)tmp+sz1,conn+connI[cell2]+1,conn+connI[cell2+1]);
1614 std::reverse_iterator<int *> it1((int *)tmp+sz1);
1615 std::reverse_iterator<int *> it2((int *)tmp);
1616 if(std::search(it1,it2,conn+connI[cell2]+1,conn+connI[cell2+1])!=it2)
1622 return work!=tmp+sz1?1:0;
1625 {//case of SEG2 and SEG3
1626 if(std::equal(conn+connI[cell1]+1,conn+connI[cell1+1],conn+connI[cell2]+1))
1628 if(!cm.isQuadratic())
1630 std::reverse_iterator<const int *> it1(conn+connI[cell1+1]);
1631 std::reverse_iterator<const int *> it2(conn+connI[cell1]+1);
1632 if(std::equal(it1,it2,conn+connI[cell2]+1))
1638 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])
1645 throw INTERP_KERNEL::Exception("MEDCouplingUMesh::AreCellsEqual7 : not implemented yet for meshdim == 3 !");
1652 * This method find in candidate pool defined by 'candidates' the cells equal following the polycy 'compType'.
1653 * If any true is returned and the results will be put at the end of 'result' output parameter. If not false is returned
1654 * and result remains unchanged.
1655 * The semantic of 'compType' is specified in MEDCouplingPointSet::zipConnectivityTraducer method.
1656 * If in 'candidates' pool -1 value is considered as an empty value.
1657 * WARNING this method returns only ONE set of result !
1659 bool MEDCouplingUMesh::AreCellsEqualInPool(const std::vector<int>& candidates, int compType, const int *conn, const int *connI, DataArrayInt *result)
1661 if(candidates.size()<1)
1664 std::vector<int>::const_iterator iter=candidates.begin();
1665 int start=(*iter++);
1666 for(;iter!=candidates.end();iter++)
1668 int status=AreCellsEqual(conn,connI,start,*iter,compType);
1673 result->pushBackSilent(start);
1677 result->pushBackSilent(*iter);
1679 result->pushBackSilent(status==2?(*iter+1):-(*iter+1));
1686 * This method find cells that are cells equal (regarding \a compType) in \a this. The comparison is specified by \a compType.
1687 * This method keeps the coordiantes of \a this. This method is time consuming and is called
1689 * \param [in] compType input specifying the technique used to compare cells each other.
1690 * - 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.
1691 * - 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)
1692 * and their type equal. For 1D mesh the policy 1 is equivalent to 0.
1693 * - 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
1694 * can be used for users not sensitive to orientation of cell
1695 * \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.
1696 * \param [out] commonCells
1697 * \param [out] commonCellsI
1698 * \return the correspondance array old to new in a newly allocated array.
1701 void MEDCouplingUMesh::findCommonCells(int compType, int startCellId, DataArrayInt *& commonCellsArr, DataArrayInt *& commonCellsIArr) const
1703 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> revNodal=DataArrayInt::New(),revNodalI=DataArrayInt::New();
1704 getReverseNodalConnectivity(revNodal,revNodalI);
1705 FindCommonCellsAlg(compType,startCellId,_nodal_connec,_nodal_connec_index,revNodal,revNodalI,commonCellsArr,commonCellsIArr);
1708 void MEDCouplingUMesh::FindCommonCellsAlg(int compType, int startCellId, const DataArrayInt *nodal, const DataArrayInt *nodalI, const DataArrayInt *revNodal, const DataArrayInt *revNodalI,
1709 DataArrayInt *& commonCellsArr, DataArrayInt *& commonCellsIArr) throw(INTERP_KERNEL::Exception)
1711 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> commonCells=DataArrayInt::New(),commonCellsI=DataArrayInt::New(); commonCells->alloc(0,1);
1712 int nbOfCells=nodalI->getNumberOfTuples()-1;
1713 commonCellsI->reserve(1); commonCellsI->pushBackSilent(0);
1714 const int *revNodalPtr=revNodal->getConstPointer(),*revNodalIPtr=revNodalI->getConstPointer();
1715 const int *connPtr=nodal->getConstPointer(),*connIPtr=nodalI->getConstPointer();
1716 std::vector<bool> isFetched(nbOfCells,false);
1719 for(int i=0;i<nbOfCells;i++)
1723 const int *connOfNode=std::find_if(connPtr+connIPtr[i]+1,connPtr+connIPtr[i+1],std::bind2nd(std::not_equal_to<int>(),-1));
1724 std::vector<int> v,v2;
1725 if(connOfNode!=connPtr+connIPtr[i+1])
1727 const int *locRevNodal=std::find(revNodalPtr+revNodalIPtr[*connOfNode],revNodalPtr+revNodalIPtr[*connOfNode+1],i);
1728 v2.insert(v2.end(),locRevNodal,revNodalPtr+revNodalIPtr[*connOfNode+1]);
1731 for(;connOfNode!=connPtr+connIPtr[i+1] && v2.size()>1;connOfNode++)
1735 const int *locRevNodal=std::find(revNodalPtr+revNodalIPtr[*connOfNode],revNodalPtr+revNodalIPtr[*connOfNode+1],i);
1736 std::vector<int>::iterator it=std::set_intersection(v.begin(),v.end(),locRevNodal,revNodalPtr+revNodalIPtr[*connOfNode+1],v2.begin());
1737 v2.resize(std::distance(v2.begin(),it));
1741 if(AreCellsEqualInPool(v2,compType,connPtr,connIPtr,commonCells))
1743 int pos=commonCellsI->back();
1744 commonCellsI->pushBackSilent(commonCells->getNumberOfTuples());
1745 for(const int *it=commonCells->begin()+pos;it!=commonCells->end();it++)
1746 isFetched[*it]=true;
1754 for(int i=startCellId;i<nbOfCells;i++)
1758 const int *connOfNode=std::find_if(connPtr+connIPtr[i]+1,connPtr+connIPtr[i+1],std::bind2nd(std::not_equal_to<int>(),-1));
1759 std::vector<int> v,v2;
1760 if(connOfNode!=connPtr+connIPtr[i+1])
1762 v2.insert(v2.end(),revNodalPtr+revNodalIPtr[*connOfNode],revNodalPtr+revNodalIPtr[*connOfNode+1]);
1765 for(;connOfNode!=connPtr+connIPtr[i+1] && v2.size()>1;connOfNode++)
1769 std::vector<int>::iterator it=std::set_intersection(v.begin(),v.end(),revNodalPtr+revNodalIPtr[*connOfNode],revNodalPtr+revNodalIPtr[*connOfNode+1],v2.begin());
1770 v2.resize(std::distance(v2.begin(),it));
1774 if(AreCellsEqualInPool(v2,compType,connPtr,connIPtr,commonCells))
1776 int pos=commonCellsI->back();
1777 commonCellsI->pushBackSilent(commonCells->getNumberOfTuples());
1778 for(const int *it=commonCells->begin()+pos;it!=commonCells->end();it++)
1779 isFetched[*it]=true;
1785 commonCellsArr=commonCells.retn();
1786 commonCellsIArr=commonCellsI.retn();
1790 * Checks if \a this mesh includes all cells of an \a other mesh, and returns an array
1791 * giving for each cell of the \a other an id of a cell in \a this mesh. A value larger
1792 * than \a other->getNumberOfCells() in the returned array means that there is no
1793 * corresponding cell in \a this mesh.
1794 * It is expected that \a this and \a other meshes share the same node coordinates
1795 * array, if it is not so an exception is thrown.
1796 * \param [in] other - the mesh to compare with.
1797 * \param [in] compType - specifies a cell comparison technique. For meaning of its
1798 * valid values [0,1,2], see zipConnectivityTraducer().
1799 * \param [out] arr - a new instance of DataArrayInt returning correspondence
1800 * between cells of the two meshes. It contains \a other->getNumberOfCells()
1801 * values. The caller is to delete this array using
1802 * decrRef() as it is no more needed.
1803 * \return bool - \c true if all cells of \a other mesh are present in the \a this
1806 * \ref cpp_mcumesh_areCellsIncludedIn "Here is a C++ example".<br>
1807 * \ref py_mcumesh_areCellsIncludedIn "Here is a Python example".
1808 * \sa checkDeepEquivalOnSameNodesWith()
1809 * \sa checkGeoEquivalWith()
1811 bool MEDCouplingUMesh::areCellsIncludedIn(const MEDCouplingUMesh *other, int compType, DataArrayInt *& arr) const
1813 MEDCouplingAutoRefCountObjectPtr<MEDCouplingUMesh> mesh=MergeUMeshesOnSameCoords(this,other);
1814 int nbOfCells=getNumberOfCells();
1815 static const int possibleCompType[]={0,1,2};
1816 if(std::find(possibleCompType,possibleCompType+sizeof(possibleCompType)/sizeof(int),compType)==possibleCompType+sizeof(possibleCompType)/sizeof(int))
1818 std::ostringstream oss; oss << "MEDCouplingUMesh::areCellsIncludedIn : only following policies are possible : ";
1819 std::copy(possibleCompType,possibleCompType+sizeof(possibleCompType)/sizeof(int),std::ostream_iterator<int>(oss," "));
1821 throw INTERP_KERNEL::Exception(oss.str().c_str());
1823 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> o2n=mesh->zipConnectivityTraducer(compType,nbOfCells);
1824 arr=o2n->substr(nbOfCells);
1825 arr->setName(other->getName().c_str());
1827 if(other->getNumberOfCells()==0)
1829 return arr->getMaxValue(tmp)<nbOfCells;
1833 * This method makes the assumption that \a this and \a other share the same coords. If not an exception will be thrown !
1834 * This method tries to determine if \b other is fully included in \b this.
1835 * The main difference is that this method is not expected to throw exception.
1836 * This method has two outputs :
1838 * \param arr is an output parameter that returns a \b newly created instance. This array is of size 'other->getNumberOfCells()'.
1839 * \return If \a other is fully included in 'this 'true is returned. If not false is returned.
1841 bool MEDCouplingUMesh::areCellsIncludedIn2(const MEDCouplingUMesh *other, DataArrayInt *& arr) const
1843 MEDCouplingAutoRefCountObjectPtr<MEDCouplingUMesh> mesh=MergeUMeshesOnSameCoords(this,other);
1844 DataArrayInt *commonCells=0,*commonCellsI=0;
1845 int thisNbCells=getNumberOfCells();
1846 mesh->findCommonCells(7,thisNbCells,commonCells,commonCellsI);
1847 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> commonCellsTmp(commonCells),commonCellsITmp(commonCellsI);
1848 const int *commonCellsPtr=commonCells->getConstPointer(),*commonCellsIPtr=commonCellsI->getConstPointer();
1849 int otherNbCells=other->getNumberOfCells();
1850 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> arr2=DataArrayInt::New();
1851 arr2->alloc(otherNbCells,1);
1852 arr2->fillWithZero();
1853 int *arr2Ptr=arr2->getPointer();
1854 int nbOfCommon=commonCellsI->getNumberOfTuples()-1;
1855 for(int i=0;i<nbOfCommon;i++)
1857 int start=commonCellsPtr[commonCellsIPtr[i]];
1858 if(start<thisNbCells)
1860 for(int j=commonCellsIPtr[i]+1;j!=commonCellsIPtr[i+1];j++)
1862 int sig=commonCellsPtr[j]>0?1:-1;
1863 int val=std::abs(commonCellsPtr[j])-1;
1864 if(val>=thisNbCells)
1865 arr2Ptr[val-thisNbCells]=sig*(start+1);
1869 arr2->setName(other->getName().c_str());
1870 if(arr2->presenceOfValue(0))
1876 MEDCouplingPointSet *MEDCouplingUMesh::mergeMyselfWithOnSameCoords(const MEDCouplingPointSet *other) const
1879 throw INTERP_KERNEL::Exception("MEDCouplingUMesh::mergeMyselfWithOnSameCoords : input other is null !");
1880 const MEDCouplingUMesh *otherC=dynamic_cast<const MEDCouplingUMesh *>(other);
1882 throw INTERP_KERNEL::Exception("MEDCouplingUMesh::mergeMyselfWithOnSameCoords : the input other mesh is not of type unstructured !");
1883 std::vector<const MEDCouplingUMesh *> ms(2);
1886 return MergeUMeshesOnSameCoords(ms);
1890 * Build a sub part of \b this lying or not on the same coordinates than \b this (regarding value of \b keepCoords).
1891 * By default coordinates are kept. This method is close to MEDCouplingUMesh::buildPartOfMySelf except that here input
1892 * cellIds is not given explicitely but by a range python like.
1894 * \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.
1895 * \return a newly allocated
1897 * \warning This method modifies can generate an unstructured mesh whose cells are not sorted by geometric type order.
1898 * In view of the MED file writing, a renumbering of cells of returned unstructured mesh (using MEDCouplingUMesh::sortCellsInMEDFileFrmt) should be necessary.
1900 MEDCouplingPointSet *MEDCouplingUMesh::buildPartOfMySelf2(int start, int end, int step, bool keepCoords) const
1902 if(getMeshDimension()!=-1)
1903 return MEDCouplingPointSet::buildPartOfMySelf2(start,end,step,keepCoords);
1906 int newNbOfCells=DataArray::GetNumberOfItemGivenBESRelative(start,end,step,"MEDCouplingUMesh::buildPartOfMySelf2 for -1 dimension mesh ");
1908 throw INTERP_KERNEL::Exception("-1D mesh has only one cell !");
1910 throw INTERP_KERNEL::Exception("-1D mesh has only one cell : 0 !");
1912 return const_cast<MEDCouplingUMesh *>(this);
1917 * Creates a new MEDCouplingUMesh containing specified cells of \a this mesh.
1918 * The result mesh shares or not the node coordinates array with \a this mesh depending
1919 * on \a keepCoords parameter.
1920 * \warning Cells of the result mesh can be \b not sorted by geometric type, hence,
1921 * to write this mesh to the MED file, its cells must be sorted using
1922 * sortCellsInMEDFileFrmt().
1923 * \param [in] begin - an array of cell ids to include to the new mesh.
1924 * \param [in] end - a pointer to last-plus-one-th element of \a begin.
1925 * \param [in] keepCoords - if \c true, the result mesh shares the node coordinates
1926 * array of \a this mesh, else "free" nodes are removed from the result mesh
1927 * by calling zipCoords().
1928 * \return MEDCouplingPointSet * - a new instance of MEDCouplingUMesh. The caller is
1929 * to delete this mesh using decrRef() as it is no more needed.
1930 * \throw If the coordinates array is not set.
1931 * \throw If the nodal connectivity of cells is not defined.
1932 * \throw If any cell id in the array \a begin is not valid.
1934 * \ref cpp_mcumesh_buildPartOfMySelf "Here is a C++ example".<br>
1935 * \ref py_mcumesh_buildPartOfMySelf "Here is a Python example".
1937 MEDCouplingPointSet *MEDCouplingUMesh::buildPartOfMySelf(const int *begin, const int *end, bool keepCoords) const
1939 if(getMeshDimension()!=-1)
1940 return MEDCouplingPointSet::buildPartOfMySelf(begin,end,keepCoords);
1944 throw INTERP_KERNEL::Exception("-1D mesh has only one cell !");
1946 throw INTERP_KERNEL::Exception("-1D mesh has only one cell : 0 !");
1948 return const_cast<MEDCouplingUMesh *>(this);
1953 * This method operates only on nodal connectivity on \b this. Coordinates of \b this is completely ignored here.
1955 * 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.
1956 * Size of [ \b cellIdsBg, \b cellIdsEnd ) ) must be equal to the number of cells of otherOnSameCoordsThanThis.
1957 * The number of cells of \b this will remain the same with this method.
1959 * \param [in] begin begin of cell ids (included) of cells in this to assign
1960 * \param [in] end end of cell ids (excluded) of cells in this to assign
1961 * \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 ).
1962 * Coordinate pointer of \b this and those of \b otherOnSameCoordsThanThis must be the same
1964 void MEDCouplingUMesh::setPartOfMySelf(const int *cellIdsBg, const int *cellIdsEnd, const MEDCouplingUMesh& otherOnSameCoordsThanThis)
1966 checkConnectivityFullyDefined();
1967 otherOnSameCoordsThanThis.checkConnectivityFullyDefined();
1968 if(getCoords()!=otherOnSameCoordsThanThis.getCoords())
1969 throw INTERP_KERNEL::Exception("MEDCouplingUMesh::setPartOfMySelf : coordinates pointer are not the same ! Invoke setCoords or call tryToShareSameCoords method !");
1970 if(getMeshDimension()!=otherOnSameCoordsThanThis.getMeshDimension())
1972 std::ostringstream oss; oss << "MEDCouplingUMesh::setPartOfMySelf : Mismatch of meshdimensions ! this is equal to " << getMeshDimension();
1973 oss << ", whereas other mesh dimension is set equal to " << otherOnSameCoordsThanThis.getMeshDimension() << " !";
1974 throw INTERP_KERNEL::Exception(oss.str().c_str());
1976 int nbOfCellsToModify=(int)std::distance(cellIdsBg,cellIdsEnd);
1977 if(nbOfCellsToModify!=otherOnSameCoordsThanThis.getNumberOfCells())
1979 std::ostringstream oss; oss << "MEDCouplingUMesh::setPartOfMySelf : cells ids length (" << nbOfCellsToModify << ") do not match the number of cells of other mesh (" << otherOnSameCoordsThanThis.getNumberOfCells() << ") !";
1980 throw INTERP_KERNEL::Exception(oss.str().c_str());
1982 int nbOfCells=getNumberOfCells();
1983 bool easyAssign=true;
1984 const int *connI=_nodal_connec_index->getConstPointer();
1985 const int *connIOther=otherOnSameCoordsThanThis._nodal_connec_index->getConstPointer();
1986 for(const int *it=cellIdsBg;it!=cellIdsEnd && easyAssign;it++,connIOther++)
1988 if(*it>=0 && *it<nbOfCells)
1990 easyAssign=(connIOther[1]-connIOther[0])==(connI[*it+1]-connI[*it]);
1994 std::ostringstream oss; oss << "MEDCouplingUMesh::setPartOfMySelf : On pos #" << std::distance(cellIdsBg,it) << " id is equal to " << *it << " which is not in [0," << nbOfCells << ") !";
1995 throw INTERP_KERNEL::Exception(oss.str().c_str());
2000 MEDCouplingUMesh::SetPartOfIndexedArraysSameIdx(cellIdsBg,cellIdsEnd,_nodal_connec,_nodal_connec_index,otherOnSameCoordsThanThis._nodal_connec,otherOnSameCoordsThanThis._nodal_connec_index);
2005 DataArrayInt *arrOut=0,*arrIOut=0;
2006 MEDCouplingUMesh::SetPartOfIndexedArrays(cellIdsBg,cellIdsEnd,_nodal_connec,_nodal_connec_index,otherOnSameCoordsThanThis._nodal_connec,otherOnSameCoordsThanThis._nodal_connec_index,
2008 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> arrOutAuto(arrOut),arrIOutAuto(arrIOut);
2009 setConnectivity(arrOut,arrIOut,true);
2013 void MEDCouplingUMesh::setPartOfMySelf2(int start, int end, int step, const MEDCouplingUMesh& otherOnSameCoordsThanThis)
2015 checkConnectivityFullyDefined();
2016 otherOnSameCoordsThanThis.checkConnectivityFullyDefined();
2017 if(getCoords()!=otherOnSameCoordsThanThis.getCoords())
2018 throw INTERP_KERNEL::Exception("MEDCouplingUMesh::setPartOfMySelf2 : coordinates pointer are not the same ! Invoke setCoords or call tryToShareSameCoords method !");
2019 if(getMeshDimension()!=otherOnSameCoordsThanThis.getMeshDimension())
2021 std::ostringstream oss; oss << "MEDCouplingUMesh::setPartOfMySelf2 : Mismatch of meshdimensions ! this is equal to " << getMeshDimension();
2022 oss << ", whereas other mesh dimension is set equal to " << otherOnSameCoordsThanThis.getMeshDimension() << " !";
2023 throw INTERP_KERNEL::Exception(oss.str().c_str());
2025 int nbOfCellsToModify=DataArray::GetNumberOfItemGivenBESRelative(start,end,step,"MEDCouplingUMesh::setPartOfMySelf2 : ");
2026 if(nbOfCellsToModify!=otherOnSameCoordsThanThis.getNumberOfCells())
2028 std::ostringstream oss; oss << "MEDCouplingUMesh::setPartOfMySelf2 : cells ids length (" << nbOfCellsToModify << ") do not match the number of cells of other mesh (" << otherOnSameCoordsThanThis.getNumberOfCells() << ") !";
2029 throw INTERP_KERNEL::Exception(oss.str().c_str());
2031 int nbOfCells=getNumberOfCells();
2032 bool easyAssign=true;
2033 const int *connI=_nodal_connec_index->getConstPointer();
2034 const int *connIOther=otherOnSameCoordsThanThis._nodal_connec_index->getConstPointer();
2036 for(int i=0;i<nbOfCellsToModify && easyAssign;i++,it+=step,connIOther++)
2038 if(it>=0 && it<nbOfCells)
2040 easyAssign=(connIOther[1]-connIOther[0])==(connI[it+1]-connI[it]);
2044 std::ostringstream oss; oss << "MEDCouplingUMesh::setPartOfMySelf2 : On pos #" << i << " id is equal to " << it << " which is not in [0," << nbOfCells << ") !";
2045 throw INTERP_KERNEL::Exception(oss.str().c_str());
2050 MEDCouplingUMesh::SetPartOfIndexedArraysSameIdx2(start,end,step,_nodal_connec,_nodal_connec_index,otherOnSameCoordsThanThis._nodal_connec,otherOnSameCoordsThanThis._nodal_connec_index);
2055 DataArrayInt *arrOut=0,*arrIOut=0;
2056 MEDCouplingUMesh::SetPartOfIndexedArrays2(start,end,step,_nodal_connec,_nodal_connec_index,otherOnSameCoordsThanThis._nodal_connec,otherOnSameCoordsThanThis._nodal_connec_index,
2058 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> arrOutAuto(arrOut),arrIOutAuto(arrIOut);
2059 setConnectivity(arrOut,arrIOut,true);
2064 * Keeps from \a this only cells which constituing point id are in the ids specified by [ \a begin,\a end ).
2065 * The resulting cell ids are stored at the end of the 'cellIdsKept' parameter.
2066 * Parameter \a fullyIn specifies if a cell that has part of its nodes in ids array is kept or not.
2067 * If \a fullyIn is true only cells whose ids are \b fully contained in [ \a begin,\a end ) tab will be kept.
2069 * \param [in] begin input start of array of node ids.
2070 * \param [in] end input end of array of node ids.
2071 * \param [in] fullyIn input that specifies if all node ids must be in [ \a begin,\a end ) array to consider cell to be in.
2072 * \param [in,out] cellIdsKeptArr array where all candidate cell ids are put at the end.
2074 void MEDCouplingUMesh::fillCellIdsToKeepFromNodeIds(const int *begin, const int *end, bool fullyIn, DataArrayInt *&cellIdsKeptArr) const
2076 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> cellIdsKept=DataArrayInt::New(); cellIdsKept->alloc(0,1);
2077 checkConnectivityFullyDefined();
2079 int sz=getNodalConnectivity()->getMaxValue(tmp); sz=std::max(sz,0)+1;
2080 std::vector<bool> fastFinder(sz,false);
2081 for(const int *work=begin;work!=end;work++)
2082 if(*work>=0 && *work<sz)
2083 fastFinder[*work]=true;
2084 int nbOfCells=getNumberOfCells();
2085 const int *conn=getNodalConnectivity()->getConstPointer();
2086 const int *connIndex=getNodalConnectivityIndex()->getConstPointer();
2087 for(int i=0;i<nbOfCells;i++)
2089 int ref=0,nbOfHit=0;
2090 for(const int *work2=conn+connIndex[i]+1;work2!=conn+connIndex[i+1];work2++)
2094 if(fastFinder[*work2])
2097 if((ref==nbOfHit && fullyIn) || (nbOfHit!=0 && !fullyIn))
2098 cellIdsKept->pushBackSilent(i);
2100 cellIdsKeptArr=cellIdsKept.retn();
2104 * Creates a new MEDCouplingUMesh containing cells, of dimension one less than \a
2105 * this->getMeshDimension(), that bound some cells of \a this mesh.
2106 * The cells of lower dimension to include to the result mesh are selected basing on
2107 * specified node ids and the value of \a fullyIn parameter. If \a fullyIn ==\c true, a
2108 * cell is copied if its all nodes are in the array \a begin of node ids. If \a fullyIn
2109 * ==\c false, a cell is copied if any its node is in the array of node ids. The
2110 * created mesh shares the node coordinates array with \a this mesh.
2111 * \param [in] begin - the array of node ids.
2112 * \param [in] end - a pointer to the (last+1)-th element of \a begin.
2113 * \param [in] fullyIn - if \c true, then cells whose all nodes are in the
2114 * array \a begin are added, else cells whose any node is in the
2115 * array \a begin are added.
2116 * \return MEDCouplingPointSet * - new instance of MEDCouplingUMesh. The caller is
2117 * to delete this mesh using decrRef() as it is no more needed.
2118 * \throw If the coordinates array is not set.
2119 * \throw If the nodal connectivity of cells is not defined.
2120 * \throw If any node id in \a begin is not valid.
2122 * \ref cpp_mcumesh_buildFacePartOfMySelfNode "Here is a C++ example".<br>
2123 * \ref py_mcumesh_buildFacePartOfMySelfNode "Here is a Python example".
2125 MEDCouplingPointSet *MEDCouplingUMesh::buildFacePartOfMySelfNode(const int *begin, const int *end, bool fullyIn) const
2127 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> desc,descIndx,revDesc,revDescIndx;
2128 desc=DataArrayInt::New(); descIndx=DataArrayInt::New(); revDesc=DataArrayInt::New(); revDescIndx=DataArrayInt::New();
2129 MEDCouplingAutoRefCountObjectPtr<MEDCouplingUMesh> subMesh=buildDescendingConnectivity(desc,descIndx,revDesc,revDescIndx);
2130 desc=0; descIndx=0; revDesc=0; revDescIndx=0;
2131 return subMesh->buildPartOfMySelfNode(begin,end,fullyIn);
2135 * Creates a new MEDCouplingUMesh containing cells, of dimension one less than \a
2136 * this->getMeshDimension(), which bound only one cell of \a this mesh.
2137 * \param [in] keepCoords - if \c true, the result mesh shares the node coordinates
2138 * array of \a this mesh, else "free" nodes are removed from the result mesh
2139 * by calling zipCoords().
2140 * \return MEDCouplingPointSet * - a new instance of MEDCouplingUMesh. The caller is
2141 * to delete this mesh using decrRef() as it is no more needed.
2142 * \throw If the coordinates array is not set.
2143 * \throw If the nodal connectivity of cells is not defined.
2145 * \ref cpp_mcumesh_buildBoundaryMesh "Here is a C++ example".<br>
2146 * \ref py_mcumesh_buildBoundaryMesh "Here is a Python example".
2148 MEDCouplingPointSet *MEDCouplingUMesh::buildBoundaryMesh(bool keepCoords) const
2150 DataArrayInt *desc=DataArrayInt::New();
2151 DataArrayInt *descIndx=DataArrayInt::New();
2152 DataArrayInt *revDesc=DataArrayInt::New();
2153 DataArrayInt *revDescIndx=DataArrayInt::New();
2155 MEDCouplingAutoRefCountObjectPtr<MEDCouplingUMesh> meshDM1=buildDescendingConnectivity(desc,descIndx,revDesc,revDescIndx);
2158 descIndx->decrRef();
2159 int nbOfCells=meshDM1->getNumberOfCells();
2160 const int *revDescIndxC=revDescIndx->getConstPointer();
2161 std::vector<int> boundaryCells;
2162 for(int i=0;i<nbOfCells;i++)
2163 if(revDescIndxC[i+1]-revDescIndxC[i]==1)
2164 boundaryCells.push_back(i);
2165 revDescIndx->decrRef();
2166 MEDCouplingPointSet *ret=meshDM1->buildPartOfMySelf(&boundaryCells[0],&boundaryCells[0]+boundaryCells.size(),keepCoords);
2171 * This method returns a newly created DataArrayInt instance containing ids of cells located in boundary.
2172 * A cell is detected to be on boundary if it contains one or more than one face having only one father.
2173 * This method makes the assumption that \a this is fully defined (coords,connectivity). If not an exception will be thrown.
2175 DataArrayInt *MEDCouplingUMesh::findCellIdsOnBoundary() const
2177 checkFullyDefined();
2178 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> desc=DataArrayInt::New();
2179 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> descIndx=DataArrayInt::New();
2180 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> revDesc=DataArrayInt::New();
2181 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> revDescIndx=DataArrayInt::New();
2183 buildDescendingConnectivity(desc,descIndx,revDesc,revDescIndx)->decrRef();
2184 desc=(DataArrayInt*)0; descIndx=(DataArrayInt*)0;
2186 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> tmp=revDescIndx->deltaShiftIndex();
2187 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> faceIds=tmp->getIdsEqual(1); tmp=(DataArrayInt*)0;
2188 const int *revDescPtr=revDesc->getConstPointer();
2189 const int *revDescIndxPtr=revDescIndx->getConstPointer();
2190 int nbOfCells=getNumberOfCells();
2191 std::vector<bool> ret1(nbOfCells,false);
2193 for(const int *pt=faceIds->begin();pt!=faceIds->end();pt++)
2194 if(!ret1[revDescPtr[revDescIndxPtr[*pt]]])
2195 { ret1[revDescPtr[revDescIndxPtr[*pt]]]=true; sz++; }
2197 DataArrayInt *ret2=DataArrayInt::New();
2199 int *ret2Ptr=ret2->getPointer();
2201 for(std::vector<bool>::const_iterator it=ret1.begin();it!=ret1.end();it++,sz++)
2204 ret2->setName("BoundaryCells");
2209 * This method find in \b this cells ids that lie on mesh \b otherDimM1OnSameCoords.
2210 * \b this and \b otherDimM1OnSameCoords have to lie on the same coordinate array pointer. The coherency of that coords array with connectivity
2211 * of \b this and \b otherDimM1OnSameCoords is not important here because this method works only on connectivity.
2212 * this->getMeshDimension() - 1 must be equal to otherDimM1OnSameCoords.getMeshDimension()
2214 * s0 is the cells ids set in \b this lying on at least one node in fetched nodes in \b otherDimM1OnSameCoords.
2215 * This method method returns cells ids set s = s1 + s2 where :
2217 * - s1 are cells ids in \b this whose dim-1 constituent equals a cell in \b otherDimM1OnSameCoords.
2218 * - s2 are cells ids in \b s0 - \b s1 whose at least two neighbors are in s1.
2220 * \throw if \b otherDimM1OnSameCoords is not part of constituent of \b this, or if coordinate pointer of \b this and \b otherDimM1OnSameCoords
2221 * are not same, or if this->getMeshDimension()-1!=otherDimM1OnSameCoords.getMeshDimension()
2223 * \param [out] cellIdsRk0 a newly allocated array containing cells ids in \b this containg s0 in above algorithm.
2224 * \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
2225 * cellIdsRk1->transformWithIndArr(cellIdsRk0->begin(),cellIdsRk0->end());
2227 void MEDCouplingUMesh::findCellIdsLyingOn(const MEDCouplingUMesh& otherDimM1OnSameCoords, DataArrayInt *&cellIdsRk0, DataArrayInt *&cellIdsRk1) const
2229 if(getCoords()!=otherDimM1OnSameCoords.getCoords())
2230 throw INTERP_KERNEL::Exception("MEDCouplingUMesh::findCellIdsLyingOn : coordinates pointer are not the same ! Use tryToShareSameCoords method !");
2231 checkConnectivityFullyDefined();
2232 otherDimM1OnSameCoords.checkConnectivityFullyDefined();
2233 if(getMeshDimension()-1!=otherDimM1OnSameCoords.getMeshDimension())
2234 throw INTERP_KERNEL::Exception("MEDCouplingUMesh::findCellIdsLyingOn : invalid mesh dimension of input mesh regarding meshdimesion of this !");
2235 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> fetchedNodeIds1=otherDimM1OnSameCoords.computeFetchedNodeIds();
2236 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> s0arr=getCellIdsLyingOnNodes(fetchedNodeIds1->begin(),fetchedNodeIds1->end(),false);
2237 MEDCouplingAutoRefCountObjectPtr<MEDCouplingUMesh> thisPart=static_cast<MEDCouplingUMesh *>(buildPartOfMySelf(s0arr->begin(),s0arr->end(),true));
2238 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> descThisPart=DataArrayInt::New(),descIThisPart=DataArrayInt::New(),revDescThisPart=DataArrayInt::New(),revDescIThisPart=DataArrayInt::New();
2239 MEDCouplingAutoRefCountObjectPtr<MEDCouplingUMesh> thisPartConsti=thisPart->buildDescendingConnectivity(descThisPart,descIThisPart,revDescThisPart,revDescIThisPart);
2240 const int *revDescThisPartPtr=revDescThisPart->getConstPointer(),*revDescIThisPartPtr=revDescIThisPart->getConstPointer();
2241 DataArrayInt *idsOtherInConsti=0;
2242 bool b=thisPartConsti->areCellsIncludedIn(&otherDimM1OnSameCoords,2,idsOtherInConsti);
2243 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> idsOtherInConstiAuto(idsOtherInConsti);
2245 throw INTERP_KERNEL::Exception("MEDCouplingUMesh::findCellIdsLyingOn : the given mdim-1 mesh in other is not a constituent of this !");
2247 for(const int *idOther=idsOtherInConsti->begin();idOther!=idsOtherInConsti->end();idOther++)
2248 s1.insert(revDescThisPartPtr+revDescIThisPartPtr[*idOther],revDescThisPartPtr+revDescIThisPartPtr[*idOther+1]);
2249 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> s1arr_renum1=DataArrayInt::New(); s1arr_renum1->alloc((int)s1.size(),1); std::copy(s1.begin(),s1.end(),s1arr_renum1->getPointer());
2250 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> s1Comparr_renum1=s1arr_renum1->buildComplement(s0arr->getNumberOfTuples());
2251 DataArrayInt *neighThisPart=0,*neighIThisPart=0;
2252 ComputeNeighborsOfCellsAdv(descThisPart,descIThisPart,revDescThisPart,revDescIThisPart,neighThisPart,neighIThisPart);
2253 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> neighThisPartAuto(neighThisPart),neighIThisPartAuto(neighIThisPart);
2254 ExtractFromIndexedArrays(s1Comparr_renum1->begin(),s1Comparr_renum1->end(),neighThisPart,neighIThisPart,neighThisPart,neighIThisPart);// reuse of neighThisPart and neighIThisPart
2255 neighThisPartAuto=neighThisPart; neighIThisPartAuto=neighIThisPart;
2256 RemoveIdsFromIndexedArrays(s1Comparr_renum1->begin(),s1Comparr_renum1->end(),neighThisPart,neighIThisPart);
2257 neighThisPartAuto=0;
2258 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> s2_tmp=neighIThisPart->deltaShiftIndex();
2259 const int li[2]={0,1};
2260 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> s2_renum2=s2_tmp->getIdsNotEqualList(li,li+2);
2261 s2_renum2->transformWithIndArr(s1Comparr_renum1->begin(),s1Comparr_renum1->end());//s2_renum2==s2_renum1
2262 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> s_renum1=DataArrayInt::Aggregate(s2_renum2,s1arr_renum1,0);
2265 cellIdsRk0=s0arr.retn();
2266 cellIdsRk1=s_renum1.retn();
2270 * 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
2271 * returned. This subpart of meshdim-1 mesh is built using meshdim-1 cells in it shared only one cell in \b this.
2273 * \return a newly allocated mesh lying on the same coordinates than \b this. The caller has to deal with returned mesh.
2275 MEDCouplingUMesh *MEDCouplingUMesh::computeSkin() const
2277 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> desc=DataArrayInt::New();
2278 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> descIndx=DataArrayInt::New();
2279 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> revDesc=DataArrayInt::New();
2280 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> revDescIndx=DataArrayInt::New();
2282 MEDCouplingAutoRefCountObjectPtr<MEDCouplingUMesh> meshDM1=buildDescendingConnectivity(desc,descIndx,revDesc,revDescIndx);
2283 revDesc=0; desc=0; descIndx=0;
2284 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> revDescIndx2=revDescIndx->deltaShiftIndex();
2285 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> part=revDescIndx2->getIdsEqual(1);
2286 return static_cast<MEDCouplingUMesh *>(meshDM1->buildPartOfMySelf(part->begin(),part->end(),true));
2290 * Finds nodes lying on the boundary of \a this mesh.
2291 * \return DataArrayInt * - a new instance of DataArrayInt holding ids of found
2292 * nodes. The caller is to delete this array using decrRef() as it is no
2294 * \throw If the coordinates array is not set.
2295 * \throw If the nodal connectivity of cells is node defined.
2297 * \ref cpp_mcumesh_findBoundaryNodes "Here is a C++ example".<br>
2298 * \ref py_mcumesh_findBoundaryNodes "Here is a Python example".
2300 DataArrayInt *MEDCouplingUMesh::findBoundaryNodes() const
2302 MEDCouplingAutoRefCountObjectPtr<MEDCouplingUMesh> skin=computeSkin();
2303 return skin->computeFetchedNodeIds();
2306 MEDCouplingUMesh *MEDCouplingUMesh::buildUnstructured() const
2309 return const_cast<MEDCouplingUMesh *>(this);
2313 * This method expects that \b this and \b otherDimM1OnSameCoords share the same coordinates array.
2314 * otherDimM1OnSameCoords->getMeshDimension() is expected to be equal to this->getMeshDimension()-1.
2315 * 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.
2316 * 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.
2317 * 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.
2319 * \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
2320 * parameter is altered during the call.
2321 * \param [out] nodeIdsToDuplicate node ids needed to be duplicated following the algorithm explain above.
2322 * \param [out] cellIdsNeededToBeRenum cell ids in \b this in which the renumber of nodes should be performed.
2323 * \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.
2325 * \warning This method modifies param \b otherDimM1OnSameCoords (for speed reasons).
2327 void MEDCouplingUMesh::findNodesToDuplicate(const MEDCouplingUMesh& otherDimM1OnSameCoords, DataArrayInt *& nodeIdsToDuplicate,
2328 DataArrayInt *& cellIdsNeededToBeRenum, DataArrayInt *& cellIdsNotModified) const throw(INTERP_KERNEL::Exception)
2330 checkFullyDefined();
2331 otherDimM1OnSameCoords.checkFullyDefined();
2332 if(getCoords()!=otherDimM1OnSameCoords.getCoords())
2333 throw INTERP_KERNEL::Exception("MEDCouplingUMesh::findNodesToDuplicate : meshes do not share the same coords array !");
2334 if(otherDimM1OnSameCoords.getMeshDimension()!=getMeshDimension()-1)
2335 throw INTERP_KERNEL::Exception("MEDCouplingUMesh::findNodesToDuplicate : the mesh given in other parameter must have this->getMeshDimension()-1 !");
2336 DataArrayInt *cellIdsRk0=0,*cellIdsRk1=0;
2337 findCellIdsLyingOn(otherDimM1OnSameCoords,cellIdsRk0,cellIdsRk1);
2338 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> cellIdsRk0Auto(cellIdsRk0),cellIdsRk1Auto(cellIdsRk1);
2339 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> s0=cellIdsRk1->buildComplement(cellIdsRk0->getNumberOfTuples());
2340 s0->transformWithIndArr(cellIdsRk0Auto->begin(),cellIdsRk0Auto->end());
2341 MEDCouplingAutoRefCountObjectPtr<MEDCouplingUMesh> m0Part=static_cast<MEDCouplingUMesh *>(buildPartOfMySelf(s0->begin(),s0->end(),true));
2342 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> s1=m0Part->computeFetchedNodeIds();
2343 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> s2=otherDimM1OnSameCoords.computeFetchedNodeIds();
2344 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> s3=s2->buildSubstraction(s1);
2345 cellIdsRk1->transformWithIndArr(cellIdsRk0Auto->begin(),cellIdsRk0Auto->end());
2347 MEDCouplingAutoRefCountObjectPtr<MEDCouplingUMesh> m0Part2=static_cast<MEDCouplingUMesh *>(buildPartOfMySelf(cellIdsRk1->begin(),cellIdsRk1->end(),true));
2348 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> desc00=DataArrayInt::New(),descI00=DataArrayInt::New(),revDesc00=DataArrayInt::New(),revDescI00=DataArrayInt::New();
2349 MEDCouplingAutoRefCountObjectPtr<MEDCouplingUMesh> m01=m0Part2->buildDescendingConnectivity(desc00,descI00,revDesc00,revDescI00);
2350 DataArrayInt *idsTmp=0;
2351 bool b=m01->areCellsIncludedIn(&otherDimM1OnSameCoords,2,idsTmp);
2352 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> ids(idsTmp);
2354 throw INTERP_KERNEL::Exception("MEDCouplingUMesh::findNodesToDuplicate : the given mdim-1 mesh in other is not a constituent of this !");
2355 MEDCouplingUMesh::RemoveIdsFromIndexedArrays(ids->begin(),ids->end(),desc00,descI00);
2356 DataArrayInt *tmp0=0,*tmp1=0;
2357 ComputeNeighborsOfCellsAdv(desc00,descI00,revDesc00,revDescI00,tmp0,tmp1);
2358 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> neigh00(tmp0);
2359 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> neighI00(tmp1);
2360 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> cellsToModifyConn0_torenum=MEDCouplingUMesh::ComputeSpreadZoneGradually(neigh00,neighI00);
2361 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> cellsToModifyConn1_torenum=cellsToModifyConn0_torenum->buildComplement(neighI00->getNumberOfTuples()-1);
2362 cellsToModifyConn0_torenum->transformWithIndArr(cellIdsRk1->begin(),cellIdsRk1->end());
2363 cellsToModifyConn1_torenum->transformWithIndArr(cellIdsRk1->begin(),cellIdsRk1->end());
2365 cellIdsNeededToBeRenum=cellsToModifyConn0_torenum.retn();
2366 cellIdsNotModified=cellsToModifyConn1_torenum.retn();
2367 nodeIdsToDuplicate=s3.retn();
2371 * This method operates a modification of the connectivity and coords in \b this.
2372 * Every time that a node id in [ \b nodeIdsToDuplicateBg, \b nodeIdsToDuplicateEnd ) will append in nodal connectivity of \b this
2373 * its ids will be modified to id this->getNumberOfNodes()+std::distance(nodeIdsToDuplicateBg,std::find(nodeIdsToDuplicateBg,nodeIdsToDuplicateEnd,id)).
2374 * 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
2375 * renumbered. The node id nodeIdsToDuplicateBg[0] will have id this->getNumberOfNodes()+0, node id nodeIdsToDuplicateBg[1] will have id this->getNumberOfNodes()+1,
2376 * node id nodeIdsToDuplicateBg[2] will have id this->getNumberOfNodes()+2...
2378 * As a consequence nodal connectivity array length will remain unchanged by this method, and nodal connectivity index array will remain unchanged by this method.
2380 * \param [in] nodeIdsToDuplicateBg begin of node ids (included) to be duplicated in connectivity only
2381 * \param [in] nodeIdsToDuplicateEnd end of node ids (excluded) to be duplicated in connectivity only
2383 void MEDCouplingUMesh::duplicateNodes(const int *nodeIdsToDuplicateBg, const int *nodeIdsToDuplicateEnd)
2385 int nbOfNodes=getNumberOfNodes();
2386 duplicateNodesInCoords(nodeIdsToDuplicateBg,nodeIdsToDuplicateEnd);
2387 duplicateNodesInConn(nodeIdsToDuplicateBg,nodeIdsToDuplicateEnd,nbOfNodes);
2391 * Changes ids of nodes within the nodal connectivity arrays according to a permutation
2392 * array in "Old to New" mode. The node coordinates array is \b not changed by this method.
2393 * This method is a generalization of shiftNodeNumbersInConn().
2394 * \warning This method performs no check of validity of new ids. **Use it with care !**
2395 * \param [in] newNodeNumbersO2N - a permutation array, of length \a
2396 * this->getNumberOfNodes(), in "Old to New" mode.
2397 * See \ref MEDCouplingArrayRenumbering for more info on renumbering modes.
2398 * \throw If the nodal connectivity of cells is not defined.
2400 * \ref cpp_mcumesh_renumberNodesInConn "Here is a C++ example".<br>
2401 * \ref py_mcumesh_renumberNodesInConn "Here is a Python example".
2403 void MEDCouplingUMesh::renumberNodesInConn(const int *newNodeNumbersO2N)
2405 checkConnectivityFullyDefined();
2406 int *conn=getNodalConnectivity()->getPointer();
2407 const int *connIndex=getNodalConnectivityIndex()->getConstPointer();
2408 int nbOfCells=getNumberOfCells();
2409 for(int i=0;i<nbOfCells;i++)
2410 for(int iconn=connIndex[i]+1;iconn!=connIndex[i+1];iconn++)
2412 int& node=conn[iconn];
2413 if(node>=0)//avoid polyhedron separator
2415 node=newNodeNumbersO2N[node];
2418 _nodal_connec->declareAsNew();
2423 * This method renumbers nodes \b in \b connectivity \b only \b without \b any \b reference \b to \b coords.
2424 * This method performs no check on the fact that new coordinate ids are valid. \b Use \b it \b with \b care !
2425 * This method is an specialization of \ref ParaMEDMEM::MEDCouplingUMesh::renumberNodesInConn "renumberNodesInConn method".
2427 * \param [in] delta specifies the shift size applied to nodeId in nodal connectivity in \b this.
2429 void MEDCouplingUMesh::shiftNodeNumbersInConn(int delta)
2431 checkConnectivityFullyDefined();
2432 int *conn=getNodalConnectivity()->getPointer();
2433 const int *connIndex=getNodalConnectivityIndex()->getConstPointer();
2434 int nbOfCells=getNumberOfCells();
2435 for(int i=0;i<nbOfCells;i++)
2436 for(int iconn=connIndex[i]+1;iconn!=connIndex[i+1];iconn++)
2438 int& node=conn[iconn];
2439 if(node>=0)//avoid polyhedron separator
2444 _nodal_connec->declareAsNew();
2449 * This method operates a modification of the connectivity in \b this.
2450 * 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.
2451 * Every time that a node id in [ \b nodeIdsToDuplicateBg, \b nodeIdsToDuplicateEnd ) will append in nodal connectivity of \b this
2452 * its ids will be modified to id offset+std::distance(nodeIdsToDuplicateBg,std::find(nodeIdsToDuplicateBg,nodeIdsToDuplicateEnd,id)).
2453 * 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
2454 * renumbered. The node id nodeIdsToDuplicateBg[0] will have id offset+0, node id nodeIdsToDuplicateBg[1] will have id offset+1,
2455 * node id nodeIdsToDuplicateBg[2] will have id offset+2...
2457 * As a consequence nodal connectivity array length will remain unchanged by this method, and nodal connectivity index array will remain unchanged by this method.
2458 * As an another consequense after the call of this method \b this can be transiently non cohrent.
2460 * \param [in] nodeIdsToDuplicateBg begin of node ids (included) to be duplicated in connectivity only
2461 * \param [in] nodeIdsToDuplicateEnd end of node ids (excluded) to be duplicated in connectivity only
2462 * \param [in] offset the offset applied to all node ids in connectivity that are in [ \a nodeIdsToDuplicateBg, \a nodeIdsToDuplicateEnd ).
2464 void MEDCouplingUMesh::duplicateNodesInConn(const int *nodeIdsToDuplicateBg, const int *nodeIdsToDuplicateEnd, int offset)
2466 checkConnectivityFullyDefined();
2467 std::map<int,int> m;
2469 for(const int *work=nodeIdsToDuplicateBg;work!=nodeIdsToDuplicateEnd;work++,val++)
2471 int *conn=getNodalConnectivity()->getPointer();
2472 const int *connIndex=getNodalConnectivityIndex()->getConstPointer();
2473 int nbOfCells=getNumberOfCells();
2474 for(int i=0;i<nbOfCells;i++)
2475 for(int iconn=connIndex[i]+1;iconn!=connIndex[i+1];iconn++)
2477 int& node=conn[iconn];
2478 if(node>=0)//avoid polyhedron separator
2480 std::map<int,int>::iterator it=m.find(node);
2489 * This method renumbers cells of \a this using the array specified by [old2NewBg;old2NewBg+getNumberOfCells())
2491 * Contrary to MEDCouplingPointSet::renumberNodes, this method makes a permutation without any fuse of cell.
2492 * After the call of this method the number of cells remains the same as before.
2494 * If 'check' equals true the method will check that any elements in [ \a old2NewBg; \a old2NewEnd ) is unique ; if not
2495 * an INTERP_KERNEL::Exception will be thrown. When 'check' equals true [ \a old2NewBg ; \a old2NewEnd ) is not expected to
2496 * be strictly in [0;this->getNumberOfCells()).
2498 * If 'check' equals false the method will not check the content of [ \a old2NewBg ; \a old2NewEnd ).
2499 * To avoid any throw of SIGSEGV when 'check' equals false, the elements in [ \a old2NewBg ; \a old2NewEnd ) should be unique and
2500 * should be contained in[0;this->getNumberOfCells()).
2502 * \param [in] old2NewBg is expected to be a dynamically allocated pointer of size at least equal to this->getNumberOfCells()
2504 void MEDCouplingUMesh::renumberCells(const int *old2NewBg, bool check)
2506 checkConnectivityFullyDefined();
2507 int nbCells=getNumberOfCells();
2508 const int *array=old2NewBg;
2510 array=DataArrayInt::CheckAndPreparePermutation(old2NewBg,old2NewBg+nbCells);
2512 const int *conn=_nodal_connec->getConstPointer();
2513 const int *connI=_nodal_connec_index->getConstPointer();
2514 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> o2n=DataArrayInt::New(); o2n->useArray(array,false,C_DEALLOC,nbCells,1);
2515 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> n2o=o2n->invertArrayO2N2N2O(nbCells);
2516 const int *n2oPtr=n2o->begin();
2517 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> newConn=DataArrayInt::New();
2518 newConn->alloc(_nodal_connec->getNumberOfTuples(),_nodal_connec->getNumberOfComponents());
2519 newConn->copyStringInfoFrom(*_nodal_connec);
2520 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> newConnI=DataArrayInt::New();
2521 newConnI->alloc(_nodal_connec_index->getNumberOfTuples(),_nodal_connec_index->getNumberOfComponents());
2522 newConnI->copyStringInfoFrom(*_nodal_connec_index);
2524 int *newC=newConn->getPointer();
2525 int *newCI=newConnI->getPointer();
2528 for(int i=0;i<nbCells;i++)
2531 int nbOfElts=connI[pos+1]-connI[pos];
2532 newC=std::copy(conn+connI[pos],conn+connI[pos+1],newC);
2537 setConnectivity(newConn,newConnI);
2539 free(const_cast<int *>(array));
2543 * Finds cells whose bounding boxes intersect a given bounding box.
2544 * \param [in] bbox - an array defining the bounding box via coordinates of its
2545 * extremum points in "no interlace" mode, i.e. xMin, xMax, yMin, yMax, zMin,
2547 * \param [in] eps - a factor used to increase size of the bounding box of cell
2548 * before comparing it with \a bbox. This factor is multiplied by the maximal
2549 * extent of the bounding box of cell to produce an addition to this bounding box.
2550 * \return DataArrayInt * - a new instance of DataArrayInt holding ids for found
2551 * cells. The caller is to delete this array using decrRef() as it is no more
2553 * \throw If the coordinates array is not set.
2554 * \throw If the nodal connectivity of cells is not defined.
2556 * \ref cpp_mcumesh_getCellsInBoundingBox "Here is a C++ example".<br>
2557 * \ref py_mcumesh_getCellsInBoundingBox "Here is a Python example".
2559 DataArrayInt *MEDCouplingUMesh::getCellsInBoundingBox(const double *bbox, double eps) const
2561 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> elems=DataArrayInt::New(); elems->alloc(0,1);
2562 if(getMeshDimension()==-1)
2564 elems->pushBackSilent(0);
2565 return elems.retn();
2567 int dim=getSpaceDimension();
2568 INTERP_KERNEL::AutoPtr<double> elem_bb=new double[2*dim];
2569 const int* conn = getNodalConnectivity()->getConstPointer();
2570 const int* conn_index= getNodalConnectivityIndex()->getConstPointer();
2571 const double* coords = getCoords()->getConstPointer();
2572 int nbOfCells=getNumberOfCells();
2573 for ( int ielem=0; ielem<nbOfCells;ielem++ )
2575 for (int i=0; i<dim; i++)
2577 elem_bb[i*2]=std::numeric_limits<double>::max();
2578 elem_bb[i*2+1]=-std::numeric_limits<double>::max();
2581 for (int inode=conn_index[ielem]+1; inode<conn_index[ielem+1]; inode++)//+1 due to offset of cell type.
2583 int node= conn[inode];
2584 if(node>=0)//avoid polyhedron separator
2586 for (int idim=0; idim<dim; idim++)
2588 if ( coords[node*dim+idim] < elem_bb[idim*2] )
2590 elem_bb[idim*2] = coords[node*dim+idim] ;
2592 if ( coords[node*dim+idim] > elem_bb[idim*2+1] )
2594 elem_bb[idim*2+1] = coords[node*dim+idim] ;
2599 if (intersectsBoundingBox(elem_bb, bbox, dim, eps))
2600 elems->pushBackSilent(ielem);
2602 return elems.retn();
2606 * Given a boundary box 'bbox' returns elements 'elems' contained in this 'bbox' or touching 'bbox' (within 'eps' distance).
2607 * Warning 'elems' is incremented during the call so if elems is not empty before call returned elements will be
2608 * added in 'elems' parameter.
2610 DataArrayInt *MEDCouplingUMesh::getCellsInBoundingBox(const INTERP_KERNEL::DirectedBoundingBox& bbox, double eps)
2612 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> elems=DataArrayInt::New(); elems->alloc(0,1);
2613 if(getMeshDimension()==-1)
2615 elems->pushBackSilent(0);
2616 return elems.retn();
2618 int dim=getSpaceDimension();
2619 INTERP_KERNEL::AutoPtr<double> elem_bb=new double[2*dim];
2620 const int* conn = getNodalConnectivity()->getConstPointer();
2621 const int* conn_index= getNodalConnectivityIndex()->getConstPointer();
2622 const double* coords = getCoords()->getConstPointer();
2623 int nbOfCells=getNumberOfCells();
2624 for ( int ielem=0; ielem<nbOfCells;ielem++ )
2626 for (int i=0; i<dim; i++)
2628 elem_bb[i*2]=std::numeric_limits<double>::max();
2629 elem_bb[i*2+1]=-std::numeric_limits<double>::max();
2632 for (int inode=conn_index[ielem]+1; inode<conn_index[ielem+1]; inode++)//+1 due to offset of cell type.
2634 int node= conn[inode];
2635 if(node>=0)//avoid polyhedron separator
2637 for (int idim=0; idim<dim; idim++)
2639 if ( coords[node*dim+idim] < elem_bb[idim*2] )
2641 elem_bb[idim*2] = coords[node*dim+idim] ;
2643 if ( coords[node*dim+idim] > elem_bb[idim*2+1] )
2645 elem_bb[idim*2+1] = coords[node*dim+idim] ;
2650 if(intersectsBoundingBox(bbox, elem_bb, dim, eps))
2651 elems->pushBackSilent(ielem);
2653 return elems.retn();
2657 * Returns a type of a cell by its id.
2658 * \param [in] cellId - the id of the cell of interest.
2659 * \return INTERP_KERNEL::NormalizedCellType - enumeration item describing the cell type.
2660 * \throw If \a cellId is invalid. Valid range is [0, \a this->getNumberOfCells() ).
2662 INTERP_KERNEL::NormalizedCellType MEDCouplingUMesh::getTypeOfCell(int cellId) const
2664 const int *ptI=_nodal_connec_index->getConstPointer();
2665 const int *pt=_nodal_connec->getConstPointer();
2666 if(cellId>=0 && cellId<(int)_nodal_connec_index->getNbOfElems()-1)
2667 return (INTERP_KERNEL::NormalizedCellType) pt[ptI[cellId]];
2670 std::ostringstream oss; oss << "MEDCouplingUMesh::getTypeOfCell : Requesting type of cell #" << cellId << " but it should be in [0," << _nodal_connec_index->getNbOfElems()-1 << ") !";
2671 throw INTERP_KERNEL::Exception(oss.str().c_str());
2676 * This method returns a newly allocated array containing cell ids (ascendingly sorted) whose geometric type are equal to type.
2677 * This method does not throw exception if geometric type \a type is not in \a this.
2678 * This method throws an INTERP_KERNEL::Exception if meshdimension of \b this is not equal to those of \b type.
2679 * The coordinates array is not considered here.
2681 * \param [in] type the geometric type
2682 * \return cell ids in this having geometric type \a type.
2684 DataArrayInt *MEDCouplingUMesh::giveCellsWithType(INTERP_KERNEL::NormalizedCellType type) const
2687 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> ret=DataArrayInt::New();
2689 checkConnectivityFullyDefined();
2690 int nbCells=getNumberOfCells();
2691 int mdim=getMeshDimension();
2692 const INTERP_KERNEL::CellModel& cm=INTERP_KERNEL::CellModel::GetCellModel(type);
2693 if(mdim!=(int)cm.getDimension())
2694 throw INTERP_KERNEL::Exception("MEDCouplingUMesh::giveCellsWithType : Mismatch between mesh dimension and dimension of the cell !");
2695 const int *ptI=_nodal_connec_index->getConstPointer();
2696 const int *pt=_nodal_connec->getConstPointer();
2697 for(int i=0;i<nbCells;i++)
2699 if((INTERP_KERNEL::NormalizedCellType)pt[ptI[i]]==type)
2700 ret->pushBackSilent(i);
2706 * Returns nb of cells having the geometric type \a type. No throw if no cells in \a this has the geometric type \a type.
2708 int MEDCouplingUMesh::getNumberOfCellsWithType(INTERP_KERNEL::NormalizedCellType type) const
2710 const int *ptI=_nodal_connec_index->getConstPointer();
2711 const int *pt=_nodal_connec->getConstPointer();
2712 int nbOfCells=getNumberOfCells();
2714 for(int i=0;i<nbOfCells;i++)
2715 if((INTERP_KERNEL::NormalizedCellType) pt[ptI[i]]==type)
2721 * Returns the nodal connectivity of a given cell.
2722 * The separator of faces within polyhedron connectivity (-1) is not returned, thus
2723 * all returned node ids can be used in getCoordinatesOfNode().
2724 * \param [in] cellId - an id of the cell of interest.
2725 * \param [in,out] conn - a vector where the node ids are appended. It is not
2726 * cleared before the appending.
2727 * \throw If \a cellId is invalid. Valid range is [0, \a this->getNumberOfCells() ).
2729 void MEDCouplingUMesh::getNodeIdsOfCell(int cellId, std::vector<int>& conn) const
2731 const int *ptI=_nodal_connec_index->getConstPointer();
2732 const int *pt=_nodal_connec->getConstPointer();
2733 for(const int *w=pt+ptI[cellId]+1;w!=pt+ptI[cellId+1];w++)
2738 std::string MEDCouplingUMesh::simpleRepr() const
2740 static const char msg0[]="No coordinates specified !";
2741 std::ostringstream ret;
2742 ret << "Unstructured mesh with name : \"" << getName() << "\"\n";
2743 ret << "Description of mesh : \"" << getDescription() << "\"\n";
2745 double tt=getTime(tmpp1,tmpp2);
2746 ret << "Time attached to the mesh [unit] : " << tt << " [" << getTimeUnit() << "]\n";
2747 ret << "Iteration : " << tmpp1 << " Order : " << tmpp2 << "\n";
2749 { ret << "Mesh dimension : " << _mesh_dim << "\nSpace dimension : "; }
2751 { ret << " Mesh dimension has not been set or is invalid !"; }
2754 const int spaceDim=getSpaceDimension();
2755 ret << spaceDim << "\nInfo attached on space dimension : ";
2756 for(int i=0;i<spaceDim;i++)
2757 ret << "\"" << _coords->getInfoOnComponent(i) << "\" ";
2761 ret << msg0 << "\n";
2762 ret << "Number of nodes : ";
2764 ret << getNumberOfNodes() << "\n";
2766 ret << msg0 << "\n";
2767 ret << "Number of cells : ";
2768 if(_nodal_connec!=0 && _nodal_connec_index!=0)
2769 ret << getNumberOfCells() << "\n";
2771 ret << "No connectivity specified !" << "\n";
2772 ret << "Cell types present : ";
2773 for(std::set<INTERP_KERNEL::NormalizedCellType>::const_iterator iter=_types.begin();iter!=_types.end();iter++)
2775 const INTERP_KERNEL::CellModel& cm=INTERP_KERNEL::CellModel::GetCellModel(*iter);
2776 ret << cm.getRepr() << " ";
2782 std::string MEDCouplingUMesh::advancedRepr() const
2784 std::ostringstream ret;
2785 ret << simpleRepr();
2786 ret << "\nCoordinates array : \n___________________\n\n";
2788 _coords->reprWithoutNameStream(ret);
2790 ret << "No array set !\n";
2791 ret << "\n\nConnectivity arrays : \n_____________________\n\n";
2792 reprConnectivityOfThisLL(ret);
2797 * This method returns a C++ code that is a dump of \a this.
2798 * This method will throw if this is not fully defined.
2800 std::string MEDCouplingUMesh::cppRepr() const
2802 static const char coordsName[]="coords";
2803 static const char connName[]="conn";
2804 static const char connIName[]="connI";
2805 checkFullyDefined();
2806 std::ostringstream ret; ret << "// coordinates" << std::endl;
2807 _coords->reprCppStream(coordsName,ret); ret << std::endl << "// connectivity" << std::endl;
2808 _nodal_connec->reprCppStream(connName,ret); ret << std::endl;
2809 _nodal_connec_index->reprCppStream(connIName,ret); ret << std::endl;
2810 ret << "MEDCouplingUMesh *mesh=MEDCouplingUMesh::New(\"" << getName() << "\"," << getMeshDimension() << ");" << std::endl;
2811 ret << "mesh->setCoords(" << coordsName << ");" << std::endl;
2812 ret << "mesh->setConnectivity(" << connName << "," << connIName << ",true);" << std::endl;
2813 ret << coordsName << "->decrRef(); " << connName << "->decrRef(); " << connIName << "->decrRef();" << std::endl;
2817 std::string MEDCouplingUMesh::reprConnectivityOfThis() const
2819 std::ostringstream ret;
2820 reprConnectivityOfThisLL(ret);
2825 * This method builds a newly allocated instance (with the same name than \a this) that the caller has the responsability to deal with.
2826 * This method returns an instance with all arrays allocated (connectivity, connectivity index, coordinates)
2827 * but with length of these arrays set to 0. It allows to define an "empty" mesh (with nor cells nor nodes but compliant with
2830 * This method expects that \a this has a mesh dimension set and higher or equal to 0. If not an exception will be thrown.
2831 * 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
2832 * with number of tuples set to 0, if not the array is taken as this in the returned instance.
2834 MEDCouplingUMesh *MEDCouplingUMesh::buildSetInstanceFromThis(int spaceDim) const
2836 int mdim=getMeshDimension();
2838 throw INTERP_KERNEL::Exception("MEDCouplingUMesh::buildSetInstanceFromThis : invalid mesh dimension ! Should be >= 0 !");
2839 MEDCouplingAutoRefCountObjectPtr<MEDCouplingUMesh> ret=MEDCouplingUMesh::New(getName().c_str(),mdim);
2840 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> tmp1,tmp2;
2841 bool needToCpyCT=true;
2844 tmp1=DataArrayInt::New(); tmp1->alloc(0,1);
2852 if(!_nodal_connec_index)
2854 tmp2=DataArrayInt::New(); tmp2->alloc(1,1); tmp2->setIJ(0,0,0);
2859 tmp2=_nodal_connec_index;
2862 ret->setConnectivity(tmp1,tmp2,false);
2867 MEDCouplingAutoRefCountObjectPtr<DataArrayDouble> coords=DataArrayDouble::New(); coords->alloc(0,spaceDim);
2868 ret->setCoords(coords);
2871 ret->setCoords(_coords);
2875 void MEDCouplingUMesh::reprConnectivityOfThisLL(std::ostringstream& stream) const
2877 if(_nodal_connec!=0 && _nodal_connec_index!=0)
2879 int nbOfCells=getNumberOfCells();
2880 const int *c=_nodal_connec->getConstPointer();
2881 const int *ci=_nodal_connec_index->getConstPointer();
2882 for(int i=0;i<nbOfCells;i++)
2884 const INTERP_KERNEL::CellModel& cm=INTERP_KERNEL::CellModel::GetCellModel((INTERP_KERNEL::NormalizedCellType)c[ci[i]]);
2885 stream << "Cell #" << i << " " << cm.getRepr() << " : ";
2886 std::copy(c+ci[i]+1,c+ci[i+1],std::ostream_iterator<int>(stream," "));
2891 stream << "Connectivity not defined !\n";
2894 int MEDCouplingUMesh::getNumberOfNodesInCell(int cellId) const
2896 const int *ptI=_nodal_connec_index->getConstPointer();
2897 const int *pt=_nodal_connec->getConstPointer();
2898 if(pt[ptI[cellId]]!=INTERP_KERNEL::NORM_POLYHED)
2899 return ptI[cellId+1]-ptI[cellId]-1;
2901 return (int)std::count_if(pt+ptI[cellId]+1,pt+ptI[cellId+1],std::bind2nd(std::not_equal_to<int>(),-1));
2905 * Returns types of cells of the specified part of \a this mesh.
2906 * This method avoids computing sub-mesh explicitely to get its types.
2907 * \param [in] begin - an array of cell ids of interest.
2908 * \param [in] end - the end of \a begin, i.e. a pointer to its (last+1)-th element.
2909 * \return std::set<INTERP_KERNEL::NormalizedCellType> - a set of enumeration items
2910 * describing the cell types.
2911 * \throw If the coordinates array is not set.
2912 * \throw If the nodal connectivity of cells is not defined.
2913 * \sa getAllGeoTypes()
2915 std::set<INTERP_KERNEL::NormalizedCellType> MEDCouplingUMesh::getTypesOfPart(const int *begin, const int *end) const
2917 checkFullyDefined();
2918 std::set<INTERP_KERNEL::NormalizedCellType> ret;
2919 const int *conn=_nodal_connec->getConstPointer();
2920 const int *connIndex=_nodal_connec_index->getConstPointer();
2921 for(const int *w=begin;w!=end;w++)
2922 ret.insert((INTERP_KERNEL::NormalizedCellType)conn[connIndex[*w]]);
2927 * Defines the nodal connectivity using given connectivity arrays. Optionally updates
2928 * a set of types of cells constituting \a this mesh.
2929 * This method is for advanced users having prepared their connectivity before. For
2930 * more info on using this method see \ref MEDCouplingUMeshAdvBuild.
2931 * \param [in] conn - the nodal connectivity array.
2932 * \param [in] connIndex - the nodal connectivity index array.
2933 * \param [in] isComputingTypes - if \c true, the set of types constituting \a this
2936 void MEDCouplingUMesh::setConnectivity(DataArrayInt *conn, DataArrayInt *connIndex, bool isComputingTypes)
2938 DataArrayInt::SetArrayIn(conn,_nodal_connec);
2939 DataArrayInt::SetArrayIn(connIndex,_nodal_connec_index);
2940 if(isComputingTypes)
2946 * Copy constructor. If 'deepCpy' is false \a this is a shallow copy of other.
2947 * If 'deeCpy' is true all arrays (coordinates and connectivities) are deeply copied.
2949 MEDCouplingUMesh::MEDCouplingUMesh(const MEDCouplingUMesh& other, bool deepCopy):MEDCouplingPointSet(other,deepCopy),_mesh_dim(other._mesh_dim),
2950 _nodal_connec(0),_nodal_connec_index(0),
2951 _types(other._types)
2953 if(other._nodal_connec)
2954 _nodal_connec=other._nodal_connec->performCpy(deepCopy);
2955 if(other._nodal_connec_index)
2956 _nodal_connec_index=other._nodal_connec_index->performCpy(deepCopy);
2959 MEDCouplingUMesh::~MEDCouplingUMesh()
2962 _nodal_connec->decrRef();
2963 if(_nodal_connec_index)
2964 _nodal_connec_index->decrRef();
2968 * Recomputes a set of cell types of \a this mesh. For more info see
2969 * \ref MEDCouplingUMeshNodalConnectivity.
2971 void MEDCouplingUMesh::computeTypes()
2973 if(_nodal_connec && _nodal_connec_index)
2976 const int *conn=_nodal_connec->getConstPointer();
2977 const int *connIndex=_nodal_connec_index->getConstPointer();
2978 int nbOfElem=_nodal_connec_index->getNbOfElems()-1;
2980 for(const int *pt=connIndex;pt !=connIndex+nbOfElem;pt++)
2981 _types.insert((INTERP_KERNEL::NormalizedCellType)conn[*pt]);
2986 * This method checks that all arrays are set. If yes nothing done if no an exception is thrown.
2988 void MEDCouplingUMesh::checkFullyDefined() const
2990 if(!_nodal_connec_index || !_nodal_connec || !_coords)
2991 throw INTERP_KERNEL::Exception("Reverse nodal connectivity computation requires full connectivity and coordinates set in unstructured mesh.");
2995 * This method checks that all connectivity arrays are set. If yes nothing done if no an exception is thrown.
2997 void MEDCouplingUMesh::checkConnectivityFullyDefined() const
2999 if(!_nodal_connec_index || !_nodal_connec)
3000 throw INTERP_KERNEL::Exception("Reverse nodal connectivity computation requires full connectivity set in unstructured mesh.");
3004 * Returns a number of cells constituting \a this mesh.
3005 * \return int - the number of cells in \a this mesh.
3006 * \throw If the nodal connectivity of cells is not defined.
3008 int MEDCouplingUMesh::getNumberOfCells() const
3010 if(_nodal_connec_index)
3011 return _nodal_connec_index->getNumberOfTuples()-1;
3016 throw INTERP_KERNEL::Exception("Unable to get number of cells because no connectivity specified !");
3020 * Returns a dimension of \a this mesh, i.e. a dimension of cells constituting \a this
3021 * mesh. For more info see \ref MEDCouplingMeshesPage.
3022 * \return int - the dimension of \a this mesh.
3023 * \throw If the mesh dimension is not defined using setMeshDimension().
3025 int MEDCouplingUMesh::getMeshDimension() const
3028 throw INTERP_KERNEL::Exception("No mesh dimension specified !");
3033 * Returns a length of the nodal connectivity array.
3034 * This method is for test reason. Normally the integer returned is not useable by
3035 * user. For more info see \ref MEDCouplingUMeshNodalConnectivity.
3036 * \return int - the length of the nodal connectivity array.
3038 int MEDCouplingUMesh::getMeshLength() const
3040 return _nodal_connec->getNbOfElems();
3044 * First step of serialization process. Used by ParaMEDMEM and MEDCouplingCorba to transfert data between process.
3046 void MEDCouplingUMesh::getTinySerializationInformation(std::vector<double>& tinyInfoD, std::vector<int>& tinyInfo, std::vector<std::string>& littleStrings) const
3048 MEDCouplingPointSet::getTinySerializationInformation(tinyInfoD,tinyInfo,littleStrings);
3049 tinyInfo.push_back(getMeshDimension());
3050 tinyInfo.push_back(getNumberOfCells());
3052 tinyInfo.push_back(getMeshLength());
3054 tinyInfo.push_back(-1);
3058 * First step of unserialization process.
3060 bool MEDCouplingUMesh::isEmptyMesh(const std::vector<int>& tinyInfo) const
3062 return tinyInfo[6]<=0;
3066 * Second step of serialization process.
3067 * \param tinyInfo must be equal to the result given by getTinySerializationInformation method.
3069 void MEDCouplingUMesh::resizeForUnserialization(const std::vector<int>& tinyInfo, DataArrayInt *a1, DataArrayDouble *a2, std::vector<std::string>& littleStrings) const
3071 MEDCouplingPointSet::resizeForUnserialization(tinyInfo,a1,a2,littleStrings);
3073 a1->alloc(tinyInfo[7]+tinyInfo[6]+1,1);
3077 * Third and final step of serialization process.
3079 void MEDCouplingUMesh::serialize(DataArrayInt *&a1, DataArrayDouble *&a2) const
3081 MEDCouplingPointSet::serialize(a1,a2);
3082 if(getMeshDimension()>-1)
3084 a1=DataArrayInt::New();
3085 a1->alloc(getMeshLength()+getNumberOfCells()+1,1);
3086 int *ptA1=a1->getPointer();
3087 const int *conn=getNodalConnectivity()->getConstPointer();
3088 const int *index=getNodalConnectivityIndex()->getConstPointer();
3089 ptA1=std::copy(index,index+getNumberOfCells()+1,ptA1);
3090 std::copy(conn,conn+getMeshLength(),ptA1);
3097 * Second and final unserialization process.
3098 * \param tinyInfo must be equal to the result given by getTinySerializationInformation method.
3100 void MEDCouplingUMesh::unserialization(const std::vector<double>& tinyInfoD, const std::vector<int>& tinyInfo, const DataArrayInt *a1, DataArrayDouble *a2, const std::vector<std::string>& littleStrings)
3102 MEDCouplingPointSet::unserialization(tinyInfoD,tinyInfo,a1,a2,littleStrings);
3103 setMeshDimension(tinyInfo[5]);
3107 const int *recvBuffer=a1->getConstPointer();
3108 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> myConnecIndex=DataArrayInt::New();
3109 myConnecIndex->alloc(tinyInfo[6]+1,1);
3110 std::copy(recvBuffer,recvBuffer+tinyInfo[6]+1,myConnecIndex->getPointer());
3111 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> myConnec=DataArrayInt::New();
3112 myConnec->alloc(tinyInfo[7],1);
3113 std::copy(recvBuffer+tinyInfo[6]+1,recvBuffer+tinyInfo[6]+1+tinyInfo[7],myConnec->getPointer());
3114 setConnectivity(myConnec, myConnecIndex);
3119 * This is the low algorithm of MEDCouplingUMesh::buildPartOfMySelf2.
3120 * CellIds are given using range specified by a start an end and step.
3122 MEDCouplingPointSet *MEDCouplingUMesh::buildPartOfMySelfKeepCoords2(int start, int end, int step) const
3124 checkFullyDefined();
3125 int ncell=getNumberOfCells();
3126 MEDCouplingAutoRefCountObjectPtr<MEDCouplingUMesh> ret=MEDCouplingUMesh::New();
3127 ret->_mesh_dim=_mesh_dim;
3128 ret->setCoords(_coords);
3129 int newNbOfCells=DataArray::GetNumberOfItemGivenBESRelative(start,end,step,"MEDCouplingUMesh::buildPartOfMySelfKeepCoords2 : ");
3130 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> newConnI=DataArrayInt::New(); newConnI->alloc(newNbOfCells+1,1);
3131 int *newConnIPtr=newConnI->getPointer(); *newConnIPtr=0;
3133 const int *conn=_nodal_connec->getConstPointer();
3134 const int *connIndex=_nodal_connec_index->getConstPointer();
3135 for(int i=0;i<newNbOfCells;i++,newConnIPtr++,work+=step)
3137 if(work>=0 && work<ncell)
3139 newConnIPtr[1]=newConnIPtr[0]+connIndex[work+1]-connIndex[work];
3143 std::ostringstream oss; oss << "MEDCouplingUMesh::buildPartOfMySelfKeepCoords2 : On pos #" << i << " input cell id =" << work << " should be in [0," << ncell << ") !";
3144 throw INTERP_KERNEL::Exception(oss.str().c_str());
3147 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> newConn=DataArrayInt::New(); newConn->alloc(newConnIPtr[0],1);
3148 int *newConnPtr=newConn->getPointer();
3149 std::set<INTERP_KERNEL::NormalizedCellType> types;
3151 for(int i=0;i<newNbOfCells;i++,newConnIPtr++,work+=step)
3153 types.insert((INTERP_KERNEL::NormalizedCellType)conn[connIndex[work]]);
3154 newConnPtr=std::copy(conn+connIndex[work],conn+connIndex[work+1],newConnPtr);
3156 ret->setConnectivity(newConn,newConnI,false);
3158 ret->copyTinyInfoFrom(this);
3163 * This is the low algorithm of MEDCouplingUMesh::buildPartOfMySelf.
3164 * Keeps from \a this only cells which constituing point id are in the ids specified by [ \a begin,\a end ).
3165 * The return newly allocated mesh will share the same coordinates as \a this.
3167 MEDCouplingPointSet *MEDCouplingUMesh::buildPartOfMySelfKeepCoords(const int *begin, const int *end) const
3169 checkConnectivityFullyDefined();
3170 int ncell=getNumberOfCells();
3171 MEDCouplingAutoRefCountObjectPtr<MEDCouplingUMesh> ret=MEDCouplingUMesh::New();
3172 ret->_mesh_dim=_mesh_dim;
3173 ret->setCoords(_coords);
3174 std::size_t nbOfElemsRet=std::distance(begin,end);
3175 int *connIndexRet=(int *)malloc((nbOfElemsRet+1)*sizeof(int));
3177 const int *conn=_nodal_connec->getConstPointer();
3178 const int *connIndex=_nodal_connec_index->getConstPointer();
3180 for(const int *work=begin;work!=end;work++,newNbring++)
3182 if(*work>=0 && *work<ncell)
3183 connIndexRet[newNbring+1]=connIndexRet[newNbring]+connIndex[*work+1]-connIndex[*work];
3187 std::ostringstream oss; oss << "MEDCouplingUMesh::buildPartOfMySelfKeepCoords : On pos #" << std::distance(begin,work) << " input cell id =" << *work << " should be in [0," << ncell << ") !";
3188 throw INTERP_KERNEL::Exception(oss.str().c_str());
3191 int *connRet=(int *)malloc(connIndexRet[nbOfElemsRet]*sizeof(int));
3192 int *connRetWork=connRet;
3193 std::set<INTERP_KERNEL::NormalizedCellType> types;
3194 for(const int *work=begin;work!=end;work++)
3196 types.insert((INTERP_KERNEL::NormalizedCellType)conn[connIndex[*work]]);
3197 connRetWork=std::copy(conn+connIndex[*work],conn+connIndex[*work+1],connRetWork);
3199 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> connRetArr=DataArrayInt::New();
3200 connRetArr->useArray(connRet,true,C_DEALLOC,connIndexRet[nbOfElemsRet],1);
3201 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> connIndexRetArr=DataArrayInt::New();
3202 connIndexRetArr->useArray(connIndexRet,true,C_DEALLOC,(int)nbOfElemsRet+1,1);
3203 ret->setConnectivity(connRetArr,connIndexRetArr,false);
3205 ret->copyTinyInfoFrom(this);
3210 * Returns a new MEDCouplingFieldDouble containing volumes of cells constituting \a this
3212 * For 1D cells, the returned field contains lengths.<br>
3213 * For 2D cells, the returned field contains areas.<br>
3214 * For 3D cells, the returned field contains volumes.
3215 * \param [in] isAbs - if \c true, the computed cell volume does not reflect cell
3216 * orientation, i.e. the volume is always positive.
3217 * \return MEDCouplingFieldDouble * - a new instance of MEDCouplingFieldDouble on cells
3218 * and one time . The caller is to delete this field using decrRef() as it is no
3221 MEDCouplingFieldDouble *MEDCouplingUMesh::getMeasureField(bool isAbs) const
3223 std::string name="MeasureOfMesh_";
3225 int nbelem=getNumberOfCells();
3226 MEDCouplingAutoRefCountObjectPtr<MEDCouplingFieldDouble> field=MEDCouplingFieldDouble::New(ON_CELLS,ONE_TIME);
3227 field->setName(name.c_str());
3228 MEDCouplingAutoRefCountObjectPtr<DataArrayDouble> array=DataArrayDouble::New();
3229 array->alloc(nbelem,1);
3230 double *area_vol=array->getPointer();
3231 field->setArray(array) ; array=0;
3232 field->setMesh(const_cast<MEDCouplingUMesh *>(this));
3233 field->synchronizeTimeWithMesh();
3234 if(getMeshDimension()!=-1)
3237 INTERP_KERNEL::NormalizedCellType type;
3238 int dim_space=getSpaceDimension();
3239 const double *coords=getCoords()->getConstPointer();
3240 const int *connec=getNodalConnectivity()->getConstPointer();
3241 const int *connec_index=getNodalConnectivityIndex()->getConstPointer();
3242 for(int iel=0;iel<nbelem;iel++)
3244 ipt=connec_index[iel];
3245 type=(INTERP_KERNEL::NormalizedCellType)connec[ipt];
3246 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);
3249 std::transform(area_vol,area_vol+nbelem,area_vol,std::ptr_fun<double,double>(fabs));
3253 area_vol[0]=std::numeric_limits<double>::max();
3255 return field.retn();
3259 * Returns a new DataArrayDouble containing volumes of specified cells of \a this
3261 * For 1D cells, the returned array contains lengths.<br>
3262 * For 2D cells, the returned array contains areas.<br>
3263 * For 3D cells, the returned array contains volumes.
3264 * This method avoids building explicitly a part of \a this mesh to perform the work.
3265 * \param [in] isAbs - if \c true, the computed cell volume does not reflect cell
3266 * orientation, i.e. the volume is always positive.
3267 * \param [in] begin - an array of cell ids of interest.
3268 * \param [in] end - the end of \a begin, i.e. a pointer to its (last+1)-th element.
3269 * \return DataArrayDouble * - a new instance of DataArrayDouble. The caller is to
3270 * delete this array using decrRef() as it is no more needed.
3272 * \ref cpp_mcumesh_getPartMeasureField "Here is a C++ example".<br>
3273 * \ref py_mcumesh_getPartMeasureField "Here is a Python example".
3274 * \sa getMeasureField()
3276 DataArrayDouble *MEDCouplingUMesh::getPartMeasureField(bool isAbs, const int *begin, const int *end) const
3278 std::string name="PartMeasureOfMesh_";
3280 int nbelem=(int)std::distance(begin,end);
3281 MEDCouplingAutoRefCountObjectPtr<DataArrayDouble> array=DataArrayDouble::New();
3282 array->setName(name.c_str());
3283 array->alloc(nbelem,1);
3284 double *area_vol=array->getPointer();
3285 if(getMeshDimension()!=-1)
3288 INTERP_KERNEL::NormalizedCellType type;
3289 int dim_space=getSpaceDimension();
3290 const double *coords=getCoords()->getConstPointer();
3291 const int *connec=getNodalConnectivity()->getConstPointer();
3292 const int *connec_index=getNodalConnectivityIndex()->getConstPointer();
3293 for(const int *iel=begin;iel!=end;iel++)
3295 ipt=connec_index[*iel];
3296 type=(INTERP_KERNEL::NormalizedCellType)connec[ipt];
3297 *area_vol++=INTERP_KERNEL::computeVolSurfOfCell2<int,INTERP_KERNEL::ALL_C_MODE>(type,connec+ipt+1,connec_index[*iel+1]-ipt-1,coords,dim_space);
3300 std::transform(array->getPointer(),area_vol,array->getPointer(),std::ptr_fun<double,double>(fabs));
3304 area_vol[0]=std::numeric_limits<double>::max();
3306 return array.retn();
3310 * Returns a new MEDCouplingFieldDouble containing volumes of cells of a dual mesh of
3311 * \a this one. The returned field contains the dual cell volume for each corresponding
3312 * node in \a this mesh. In other words, the field returns the getMeasureField() of
3313 * the dual mesh in P1 sens of \a this.<br>
3314 * For 1D cells, the returned field contains lengths.<br>
3315 * For 2D cells, the returned field contains areas.<br>
3316 * For 3D cells, the returned field contains volumes.
3317 * This method is useful to check "P1*" conservative interpolators.
3318 * \param [in] isAbs - if \c true, the computed cell volume does not reflect cell
3319 * orientation, i.e. the volume is always positive.
3320 * \return MEDCouplingFieldDouble * - a new instance of MEDCouplingFieldDouble on
3321 * nodes and one time. The caller is to delete this array using decrRef() as
3322 * it is no more needed.
3324 MEDCouplingFieldDouble *MEDCouplingUMesh::getMeasureFieldOnNode(bool isAbs) const
3326 MEDCouplingAutoRefCountObjectPtr<MEDCouplingFieldDouble> tmp=getMeasureField(isAbs);
3327 std::string name="MeasureOnNodeOfMesh_";
3329 int nbNodes=getNumberOfNodes();
3330 MEDCouplingAutoRefCountObjectPtr<MEDCouplingFieldDouble> ret=MEDCouplingFieldDouble::New(ON_NODES);
3331 double cst=1./((double)getMeshDimension()+1.);
3332 MEDCouplingAutoRefCountObjectPtr<DataArrayDouble> array=DataArrayDouble::New();
3333 array->alloc(nbNodes,1);
3334 double *valsToFill=array->getPointer();
3335 std::fill(valsToFill,valsToFill+nbNodes,0.);
3336 const double *values=tmp->getArray()->getConstPointer();
3337 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> da=DataArrayInt::New();
3338 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> daInd=DataArrayInt::New();
3339 getReverseNodalConnectivity(da,daInd);
3340 const int *daPtr=da->getConstPointer();
3341 const int *daIPtr=daInd->getConstPointer();
3342 for(int i=0;i<nbNodes;i++)
3343 for(const int *cell=daPtr+daIPtr[i];cell!=daPtr+daIPtr[i+1];cell++)
3344 valsToFill[i]+=cst*values[*cell];
3346 ret->setArray(array);
3351 * Returns a new MEDCouplingFieldDouble holding normal vectors to cells of \a this
3352 * mesh. The returned normal vectors to each cell have a norm2 equal to 1.
3353 * The computed vectors have <em> this->getMeshDimension()+1 </em> components
3354 * and are normalized.
3355 * <br> \a this can be either
3356 * - a 2D mesh in 2D or 3D space or
3357 * - an 1D mesh in 2D space.
3359 * \return MEDCouplingFieldDouble * - a new instance of MEDCouplingFieldDouble on
3360 * cells and one time. The caller is to delete this field using decrRef() as
3361 * it is no more needed.
3362 * \throw If the nodal connectivity of cells is not defined.
3363 * \throw If the coordinates array is not set.
3364 * \throw If the mesh dimension is not set.
3365 * \throw If the mesh and space dimension is not as specified above.
3367 MEDCouplingFieldDouble *MEDCouplingUMesh::buildOrthogonalField() const
3369 if((getMeshDimension()!=2) && (getMeshDimension()!=1 || getSpaceDimension()!=2))
3370 throw INTERP_KERNEL::Exception("Expected a umesh with ( meshDim == 2 spaceDim == 2 or 3 ) or ( meshDim == 1 spaceDim == 2 ) !");
3371 MEDCouplingAutoRefCountObjectPtr<MEDCouplingFieldDouble> ret=MEDCouplingFieldDouble::New(ON_CELLS,ONE_TIME);
3372 MEDCouplingAutoRefCountObjectPtr<DataArrayDouble> array=DataArrayDouble::New();
3373 int nbOfCells=getNumberOfCells();
3374 int nbComp=getMeshDimension()+1;
3375 array->alloc(nbOfCells,nbComp);
3376 double *vals=array->getPointer();
3377 const int *connI=_nodal_connec_index->getConstPointer();
3378 const int *conn=_nodal_connec->getConstPointer();
3379 const double *coords=_coords->getConstPointer();
3380 if(getMeshDimension()==2)
3382 if(getSpaceDimension()==3)
3384 MEDCouplingAutoRefCountObjectPtr<DataArrayDouble> loc=getBarycenterAndOwner();
3385 const double *locPtr=loc->getConstPointer();
3386 for(int i=0;i<nbOfCells;i++,vals+=3)
3388 int offset=connI[i];
3389 INTERP_KERNEL::crossprod<3>(locPtr+3*i,coords+3*conn[offset+1],coords+3*conn[offset+2],vals);
3390 double n=INTERP_KERNEL::norm<3>(vals);
3391 std::transform(vals,vals+3,vals,std::bind2nd(std::multiplies<double>(),1./n));
3396 MEDCouplingAutoRefCountObjectPtr<MEDCouplingFieldDouble> isAbs=getMeasureField(false);
3397 const double *isAbsPtr=isAbs->getArray()->begin();
3398 for(int i=0;i<nbOfCells;i++,isAbsPtr++)
3399 { vals[3*i]=0.; vals[3*i+1]=0.; vals[3*i+2]=*isAbsPtr>0.?1.:-1.; }
3402 else//meshdimension==1
3405 for(int i=0;i<nbOfCells;i++)
3407 int offset=connI[i];
3408 std::transform(coords+2*conn[offset+2],coords+2*conn[offset+2]+2,coords+2*conn[offset+1],tmp,std::minus<double>());
3409 double n=INTERP_KERNEL::norm<2>(tmp);
3410 std::transform(tmp,tmp+2,tmp,std::bind2nd(std::multiplies<double>(),1./n));
3415 ret->setArray(array);
3417 ret->synchronizeTimeWithSupport();
3422 * Returns a new MEDCouplingFieldDouble holding normal vectors to specified cells of
3423 * \a this mesh. The computed vectors have <em> this->getMeshDimension()+1 </em> components
3424 * and are normalized.
3425 * <br> \a this can be either
3426 * - a 2D mesh in 2D or 3D space or
3427 * - an 1D mesh in 2D space.
3429 * This method avoids building explicitly a part of \a this mesh to perform the work.
3430 * \param [in] begin - an array of cell ids of interest.
3431 * \param [in] end - the end of \a begin, i.e. a pointer to its (last+1)-th element.
3432 * \return MEDCouplingFieldDouble * - a new instance of MEDCouplingFieldDouble on
3433 * cells and one time. The caller is to delete this field using decrRef() as
3434 * it is no more needed.
3435 * \throw If the nodal connectivity of cells is not defined.
3436 * \throw If the coordinates array is not set.
3437 * \throw If the mesh dimension is not set.
3438 * \throw If the mesh and space dimension is not as specified above.
3439 * \sa buildOrthogonalField()
3441 * \ref cpp_mcumesh_buildPartOrthogonalField "Here is a C++ example".<br>
3442 * \ref py_mcumesh_buildPartOrthogonalField "Here is a Python example".
3444 MEDCouplingFieldDouble *MEDCouplingUMesh::buildPartOrthogonalField(const int *begin, const int *end) const
3446 if((getMeshDimension()!=2) && (getMeshDimension()!=1 || getSpaceDimension()!=2))
3447 throw INTERP_KERNEL::Exception("Expected a umesh with ( meshDim == 2 spaceDim == 2 or 3 ) or ( meshDim == 1 spaceDim == 2 ) !");
3448 MEDCouplingAutoRefCountObjectPtr<MEDCouplingFieldDouble> ret=MEDCouplingFieldDouble::New(ON_CELLS,ONE_TIME);
3449 MEDCouplingAutoRefCountObjectPtr<DataArrayDouble> array=DataArrayDouble::New();
3450 std::size_t nbelems=std::distance(begin,end);
3451 int nbComp=getMeshDimension()+1;
3452 array->alloc((int)nbelems,nbComp);
3453 double *vals=array->getPointer();
3454 const int *connI=_nodal_connec_index->getConstPointer();
3455 const int *conn=_nodal_connec->getConstPointer();
3456 const double *coords=_coords->getConstPointer();
3457 if(getMeshDimension()==2)
3459 if(getSpaceDimension()==3)
3461 MEDCouplingAutoRefCountObjectPtr<DataArrayDouble> loc=getPartBarycenterAndOwner(begin,end);
3462 const double *locPtr=loc->getConstPointer();
3463 for(const int *i=begin;i!=end;i++,vals+=3,locPtr+=3)
3465 int offset=connI[*i];
3466 INTERP_KERNEL::crossprod<3>(locPtr,coords+3*conn[offset+1],coords+3*conn[offset+2],vals);
3467 double n=INTERP_KERNEL::norm<3>(vals);
3468 std::transform(vals,vals+3,vals,std::bind2nd(std::multiplies<double>(),1./n));
3473 for(std::size_t i=0;i<nbelems;i++)
3474 { vals[3*i]=0.; vals[3*i+1]=0.; vals[3*i+2]=1.; }
3477 else//meshdimension==1
3480 for(const int *i=begin;i!=end;i++)
3482 int offset=connI[*i];
3483 std::transform(coords+2*conn[offset+2],coords+2*conn[offset+2]+2,coords+2*conn[offset+1],tmp,std::minus<double>());
3484 double n=INTERP_KERNEL::norm<2>(tmp);
3485 std::transform(tmp,tmp+2,tmp,std::bind2nd(std::multiplies<double>(),1./n));
3490 ret->setArray(array);
3492 ret->synchronizeTimeWithSupport();
3497 * Returns a new MEDCouplingFieldDouble holding a direction vector for each SEG2 in \a
3498 * this 1D mesh. The computed vectors have <em> this->getSpaceDimension() </em> components
3499 * and are \b not normalized.
3500 * \return MEDCouplingFieldDouble * - a new instance of MEDCouplingFieldDouble on
3501 * cells and one time. The caller is to delete this field using decrRef() as
3502 * it is no more needed.
3503 * \throw If the nodal connectivity of cells is not defined.
3504 * \throw If the coordinates array is not set.
3505 * \throw If \a this->getMeshDimension() != 1.
3506 * \throw If \a this mesh includes cells of type other than SEG2.
3508 MEDCouplingFieldDouble *MEDCouplingUMesh::buildDirectionVectorField() const
3510 if(getMeshDimension()!=1)
3511 throw INTERP_KERNEL::Exception("Expected a umesh with meshDim == 1 for buildDirectionVectorField !");
3512 if(_types.size()!=1 || *(_types.begin())!=INTERP_KERNEL::NORM_SEG2)
3513 throw INTERP_KERNEL::Exception("Expected a umesh with only NORM_SEG2 type of elements for buildDirectionVectorField !");
3514 MEDCouplingAutoRefCountObjectPtr<MEDCouplingFieldDouble> ret=MEDCouplingFieldDouble::New(ON_CELLS,ONE_TIME);
3515 MEDCouplingAutoRefCountObjectPtr<DataArrayDouble> array=DataArrayDouble::New();
3516 int nbOfCells=getNumberOfCells();
3517 int spaceDim=getSpaceDimension();
3518 array->alloc(nbOfCells,spaceDim);
3519 double *pt=array->getPointer();
3520 const double *coo=getCoords()->getConstPointer();
3521 std::vector<int> conn;
3523 for(int i=0;i<nbOfCells;i++)
3526 getNodeIdsOfCell(i,conn);
3527 pt=std::transform(coo+conn[1]*spaceDim,coo+(conn[1]+1)*spaceDim,coo+conn[0]*spaceDim,pt,std::minus<double>());
3529 ret->setArray(array);
3531 ret->synchronizeTimeWithSupport();
3536 * Creates a 2D mesh by cutting \a this 3D mesh with a plane. In addition to the mesh,
3537 * returns a new DataArrayInt, of length equal to the number of 2D cells in the result
3538 * mesh, holding, for each cell in the result mesh, an id of a 3D cell it comes
3539 * from. If a result face is shared by two 3D cells, then the face in included twice in
3541 * \param [in] origin - 3 components of a point defining location of the plane.
3542 * \param [in] vec - 3 components of a vector normal to the plane. Vector magnitude
3543 * must be greater than 1e-6.
3544 * \param [in] eps - half-thickness of the plane.
3545 * \param [out] cellIds - a new instance of DataArrayInt holding ids of 3D cells
3546 * producing correspondent 2D cells. The caller is to delete this array
3547 * using decrRef() as it is no more needed.
3548 * \return MEDCouplingUMesh * - a new instance of MEDCouplingUMesh. This mesh does
3549 * not share the node coordinates array with \a this mesh. The caller is to
3550 * delete this mesh using decrRef() as it is no more needed.
3551 * \throw If the coordinates array is not set.
3552 * \throw If the nodal connectivity of cells is not defined.
3553 * \throw If \a this->getMeshDimension() != 3 or \a this->getSpaceDimension() != 3.
3554 * \throw If magnitude of \a vec is less than 1e-6.
3555 * \throw If the plane does not intersect any 3D cell of \a this mesh.
3556 * \throw If \a this includes quadratic cells.
3558 MEDCouplingUMesh *MEDCouplingUMesh::buildSlice3D(const double *origin, const double *vec, double eps, DataArrayInt *&cellIds) const
3560 checkFullyDefined();
3561 if(getMeshDimension()!=3 || getSpaceDimension()!=3)
3562 throw INTERP_KERNEL::Exception("MEDCouplingUMesh::buildSlice3D works on umeshes with meshdim equal to 3 and spaceDim equal to 3 too!");
3563 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> candidates=getCellIdsCrossingPlane(origin,vec,eps);
3564 if(candidates->empty())
3565 throw INTERP_KERNEL::Exception("MEDCouplingUMesh::buildSlice3D : No 3D cells in this intercepts the specified plane considering bounding boxes !");
3566 std::vector<int> nodes;
3567 DataArrayInt *cellIds1D=0;
3568 MEDCouplingAutoRefCountObjectPtr<MEDCouplingUMesh> subMesh=static_cast<MEDCouplingUMesh*>(buildPartOfMySelf(candidates->begin(),candidates->end(),false));
3569 subMesh->findNodesOnPlane(origin,vec,eps,nodes);
3570 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> desc1=DataArrayInt::New(),desc2=DataArrayInt::New();
3571 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> descIndx1=DataArrayInt::New(),descIndx2=DataArrayInt::New();
3572 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> revDesc1=DataArrayInt::New(),revDesc2=DataArrayInt::New();
3573 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> revDescIndx1=DataArrayInt::New(),revDescIndx2=DataArrayInt::New();
3574 MEDCouplingAutoRefCountObjectPtr<MEDCouplingUMesh> mDesc2=subMesh->buildDescendingConnectivity(desc2,descIndx2,revDesc2,revDescIndx2);//meshDim==2 spaceDim==3
3575 revDesc2=0; revDescIndx2=0;
3576 MEDCouplingAutoRefCountObjectPtr<MEDCouplingUMesh> mDesc1=mDesc2->buildDescendingConnectivity(desc1,descIndx1,revDesc1,revDescIndx1);//meshDim==1 spaceDim==3
3577 revDesc1=0; revDescIndx1=0;
3578 mDesc1->fillCellIdsToKeepFromNodeIds(&nodes[0],&nodes[0]+nodes.size(),true,cellIds1D);
3579 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> cellIds1DTmp(cellIds1D);
3581 std::vector<int> cut3DCurve(mDesc1->getNumberOfCells(),-2);
3582 for(const int *it=cellIds1D->begin();it!=cellIds1D->end();it++)
3584 mDesc1->split3DCurveWithPlane(origin,vec,eps,cut3DCurve);
3585 std::vector< std::pair<int,int> > cut3DSurf(mDesc2->getNumberOfCells());
3586 AssemblyForSplitFrom3DCurve(cut3DCurve,nodes,mDesc2->getNodalConnectivity()->getConstPointer(),mDesc2->getNodalConnectivityIndex()->getConstPointer(),
3587 mDesc1->getNodalConnectivity()->getConstPointer(),mDesc1->getNodalConnectivityIndex()->getConstPointer(),
3588 desc1->getConstPointer(),descIndx1->getConstPointer(),cut3DSurf);
3589 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> conn(DataArrayInt::New()),connI(DataArrayInt::New()),cellIds2(DataArrayInt::New());
3590 connI->pushBackSilent(0); conn->alloc(0,1); cellIds2->alloc(0,1);
3591 subMesh->assemblyForSplitFrom3DSurf(cut3DSurf,desc2->getConstPointer(),descIndx2->getConstPointer(),conn,connI,cellIds2);
3592 if(cellIds2->empty())
3593 throw INTERP_KERNEL::Exception("MEDCouplingUMesh::buildSlice3D : No 3D cells in this intercepts the specified plane !");
3594 MEDCouplingAutoRefCountObjectPtr<MEDCouplingUMesh> ret=MEDCouplingUMesh::New("Slice3D",2);
3595 ret->setCoords(mDesc1->getCoords());
3596 ret->setConnectivity(conn,connI,true);
3597 cellIds=candidates->selectByTupleId(cellIds2->begin(),cellIds2->end());
3602 * Creates an 1D mesh by cutting \a this 2D mesh in 3D space with a plane. In
3603 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
3604 from. If a result segment is shared by two 2D cells, then the segment in included twice in
3606 * \param [in] origin - 3 components of a point defining location of the plane.
3607 * \param [in] vec - 3 components of a vector normal to the plane. Vector magnitude
3608 * must be greater than 1e-6.
3609 * \param [in] eps - half-thickness of the plane.
3610 * \param [out] cellIds - a new instance of DataArrayInt holding ids of faces
3611 * producing correspondent segments. The caller is to delete this array
3612 * using decrRef() as it is no more needed.
3613 * \return MEDCouplingUMesh * - a new instance of MEDCouplingUMesh. This is an 1D
3614 * mesh in 3D space. This mesh does not share the node coordinates array with
3615 * \a this mesh. The caller is to delete this mesh using decrRef() as it is
3617 * \throw If the coordinates array is not set.
3618 * \throw If the nodal connectivity of cells is not defined.
3619 * \throw If \a this->getMeshDimension() != 2 or \a this->getSpaceDimension() != 3.
3620 * \throw If magnitude of \a vec is less than 1e-6.
3621 * \throw If the plane does not intersect any 2D cell of \a this mesh.
3622 * \throw If \a this includes quadratic cells.
3624 MEDCouplingUMesh *MEDCouplingUMesh::buildSlice3DSurf(const double *origin, const double *vec, double eps, DataArrayInt *&cellIds) const
3626 checkFullyDefined();
3627 if(getMeshDimension()!=2 || getSpaceDimension()!=3)
3628 throw INTERP_KERNEL::Exception("MEDCouplingUMesh::buildSlice3DSurf works on umeshes with meshdim equal to 2 and spaceDim equal to 3 !");
3629 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> candidates=getCellIdsCrossingPlane(origin,vec,eps);
3630 if(candidates->empty())
3631 throw INTERP_KERNEL::Exception("MEDCouplingUMesh::buildSlice3DSurf : No 3D surf cells in this intercepts the specified plane considering bounding boxes !");
3632 std::vector<int> nodes;
3633 DataArrayInt *cellIds1D=0;
3634 MEDCouplingAutoRefCountObjectPtr<MEDCouplingUMesh> subMesh=static_cast<MEDCouplingUMesh*>(buildPartOfMySelf(candidates->begin(),candidates->end(),false));
3635 subMesh->findNodesOnPlane(origin,vec,eps,nodes);
3636 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> desc1=DataArrayInt::New();
3637 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> descIndx1=DataArrayInt::New();
3638 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> revDesc1=DataArrayInt::New();
3639 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> revDescIndx1=DataArrayInt::New();
3640 MEDCouplingAutoRefCountObjectPtr<MEDCouplingUMesh> mDesc1=subMesh->buildDescendingConnectivity(desc1,descIndx1,revDesc1,revDescIndx1);//meshDim==1 spaceDim==3
3641 mDesc1->fillCellIdsToKeepFromNodeIds(&nodes[0],&nodes[0]+nodes.size(),true,cellIds1D);
3642 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> cellIds1DTmp(cellIds1D);
3644 std::vector<int> cut3DCurve(mDesc1->getNumberOfCells(),-2);
3645 for(const int *it=cellIds1D->begin();it!=cellIds1D->end();it++)
3647 mDesc1->split3DCurveWithPlane(origin,vec,eps,cut3DCurve);
3648 int ncellsSub=subMesh->getNumberOfCells();
3649 std::vector< std::pair<int,int> > cut3DSurf(ncellsSub);
3650 AssemblyForSplitFrom3DCurve(cut3DCurve,nodes,subMesh->getNodalConnectivity()->getConstPointer(),subMesh->getNodalConnectivityIndex()->getConstPointer(),
3651 mDesc1->getNodalConnectivity()->getConstPointer(),mDesc1->getNodalConnectivityIndex()->getConstPointer(),
3652 desc1->getConstPointer(),descIndx1->getConstPointer(),cut3DSurf);
3653 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> conn(DataArrayInt::New()),connI(DataArrayInt::New()),cellIds2(DataArrayInt::New()); connI->pushBackSilent(0);
3655 const int *nodal=subMesh->getNodalConnectivity()->getConstPointer();
3656 const int *nodalI=subMesh->getNodalConnectivityIndex()->getConstPointer();
3657 for(int i=0;i<ncellsSub;i++)
3659 if(cut3DSurf[i].first!=-1 && cut3DSurf[i].second!=-1)
3661 if(cut3DSurf[i].first!=-2)
3663 conn->pushBackSilent((int)INTERP_KERNEL::NORM_SEG2); conn->pushBackSilent(cut3DSurf[i].first); conn->pushBackSilent(cut3DSurf[i].second);
3664 connI->pushBackSilent(conn->getNumberOfTuples());
3665 cellIds2->pushBackSilent(i);
3669 int cellId3DSurf=cut3DSurf[i].second;
3670 int offset=nodalI[cellId3DSurf]+1;
3671 int nbOfEdges=nodalI[cellId3DSurf+1]-offset;
3672 for(int j=0;j<nbOfEdges;j++)
3674 conn->pushBackSilent((int)INTERP_KERNEL::NORM_SEG2); conn->pushBackSilent(nodal[offset+j]); conn->pushBackSilent(nodal[offset+(j+1)%nbOfEdges]);
3675 connI->pushBackSilent(conn->getNumberOfTuples());
3676 cellIds2->pushBackSilent(cellId3DSurf);
3681 if(cellIds2->empty())
3682 throw INTERP_KERNEL::Exception("MEDCouplingUMesh::buildSlice3DSurf : No 3DSurf cells in this intercepts the specified plane !");
3683 MEDCouplingAutoRefCountObjectPtr<MEDCouplingUMesh> ret=MEDCouplingUMesh::New("Slice3DSurf",1);
3684 ret->setCoords(mDesc1->getCoords());
3685 ret->setConnectivity(conn,connI,true);
3686 cellIds=candidates->selectByTupleId(cellIds2->begin(),cellIds2->end());
3691 * Finds cells whose bounding boxes intersect a given plane.
3692 * \param [in] origin - 3 components of a point defining location of the plane.
3693 * \param [in] vec - 3 components of a vector normal to the plane. Vector magnitude
3694 * must be greater than 1e-6.
3695 * \param [in] eps - half-thickness of the plane.
3696 * \return DataArrayInt * - a new instance of DataArrayInt holding ids of the found
3697 * cells. The caller is to delete this array using decrRef() as it is no more
3699 * \throw If the coordinates array is not set.
3700 * \throw If the nodal connectivity of cells is not defined.
3701 * \throw If \a this->getSpaceDimension() != 3.
3702 * \throw If magnitude of \a vec is less than 1e-6.
3703 * \sa buildSlice3D()
3705 DataArrayInt *MEDCouplingUMesh::getCellIdsCrossingPlane(const double *origin, const double *vec, double eps) const
3707 checkFullyDefined();
3708 if(getSpaceDimension()!=3)
3709 throw INTERP_KERNEL::Exception("MEDCouplingUMesh::buildSlice3D works on umeshes with spaceDim equal to 3 !");
3710 double normm=sqrt(vec[0]*vec[0]+vec[1]*vec[1]+vec[2]*vec[2]);
3712 throw INTERP_KERNEL::Exception("MEDCouplingUMesh::getCellIdsCrossingPlane : parameter 'vec' should have a norm2 greater than 1e-6 !");
3714 vec2[0]=vec[1]; vec2[1]=-vec[0]; vec2[2]=0.;//vec2 is the result of cross product of vec with (0,0,1)
3715 double angle=acos(vec[2]/normm);
3716 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> cellIds;
3720 MEDCouplingAutoRefCountObjectPtr<DataArrayDouble> coo=_coords->deepCpy();
3721 MEDCouplingPointSet::Rotate3DAlg(origin,vec2,angle,coo->getNumberOfTuples(),coo->getPointer());
3722 MEDCouplingAutoRefCountObjectPtr<MEDCouplingUMesh> mw=clone(false);//false -> shallow copy
3724 mw->getBoundingBox(bbox);
3725 bbox[4]=origin[2]-eps; bbox[5]=origin[2]+eps;
3726 cellIds=mw->getCellsInBoundingBox(bbox,eps);
3730 getBoundingBox(bbox);
3731 bbox[4]=origin[2]-eps; bbox[5]=origin[2]+eps;
3732 cellIds=getCellsInBoundingBox(bbox,eps);
3734 return cellIds.retn();
3738 * This method checks that \a this is a contiguous mesh. The user is expected to call this method on a mesh with meshdim==1.
3739 * If not an exception will thrown. If this is an empty mesh with no cell an exception will be thrown too.
3740 * No consideration of coordinate is done by this method.
3741 * 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)
3742 * If not false is returned. In case that false is returned a call to ParaMEDMEM::MEDCouplingUMesh::mergeNodes could be usefull.
3744 bool MEDCouplingUMesh::isContiguous1D() const
3746 if(getMeshDimension()!=1)
3747 throw INTERP_KERNEL::Exception("MEDCouplingUMesh::isContiguous1D : this method has a sense only for 1D mesh !");
3748 int nbCells=getNumberOfCells();
3750 throw INTERP_KERNEL::Exception("MEDCouplingUMesh::isContiguous1D : this method has a sense for non empty mesh !");
3751 const int *connI=_nodal_connec_index->getConstPointer();
3752 const int *conn=_nodal_connec->getConstPointer();
3753 int ref=conn[connI[0]+2];
3754 for(int i=1;i<nbCells;i++)
3756 if(conn[connI[i]+1]!=ref)
3758 ref=conn[connI[i]+2];
3764 * This method is only callable on mesh with meshdim == 1 containing only SEG2 and spaceDim==3.
3765 * This method projects this on the 3D line defined by (pt,v). This methods first checks that all SEG2 are along v vector.
3766 * \param pt reference point of the line
3767 * \param v normalized director vector of the line
3768 * \param eps max precision before throwing an exception
3769 * \param res output of size this->getNumberOfCells
3771 void MEDCouplingUMesh::project1D(const double *pt, const double *v, double eps, double *res) const
3773 if(getMeshDimension()!=1)
3774 throw INTERP_KERNEL::Exception("Expected a umesh with meshDim == 1 for project1D !");
3775 if(_types.size()!=1 || *(_types.begin())!=INTERP_KERNEL::NORM_SEG2)
3776 throw INTERP_KERNEL::Exception("Expected a umesh with only NORM_SEG2 type of elements for project1D !");
3777 if(getSpaceDimension()!=3)
3778 throw INTERP_KERNEL::Exception("Expected a umesh with spaceDim==3 for project1D !");
3779 MEDCouplingAutoRefCountObjectPtr<MEDCouplingFieldDouble> f=buildDirectionVectorField();
3780 const double *fPtr=f->getArray()->getConstPointer();
3782 for(int i=0;i<getNumberOfCells();i++)
3784 const double *tmp1=fPtr+3*i;
3785 tmp[0]=tmp1[1]*v[2]-tmp1[2]*v[1];
3786 tmp[1]=tmp1[2]*v[0]-tmp1[0]*v[2];
3787 tmp[2]=tmp1[0]*v[1]-tmp1[1]*v[0];
3788 double n1=INTERP_KERNEL::norm<3>(tmp);
3789 n1/=INTERP_KERNEL::norm<3>(tmp1);
3791 throw INTERP_KERNEL::Exception("UMesh::Projection 1D failed !");
3793 const double *coo=getCoords()->getConstPointer();
3794 for(int i=0;i<getNumberOfNodes();i++)
3796 std::transform(coo+i*3,coo+i*3+3,pt,tmp,std::minus<double>());
3797 std::transform(tmp,tmp+3,v,tmp,std::multiplies<double>());
3798 res[i]=std::accumulate(tmp,tmp+3,0.);
3803 * 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.
3804 * \a this is expected to be a mesh so that its space dimension is equal to its
3805 * mesh dimension + 1. Furthermore only mesh dimension 1 and 2 are supported for the moment.
3806 * 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).
3808 * 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
3809 * 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).
3810 * A user that needs to consider orphan nodes should invoke DataArrayDouble::minimalDistanceTo method on the coordinates array of \a this.
3812 * So this method is more accurate (so, more costly) than simply searching for the closest point in \a this.
3813 * If only this information is enough for you simply call \c getCoords()->distanceToTuple on \a this.
3815 * \param [in] ptBg the start pointer (included) of the coordinates of the point
3816 * \param [in] ptEnd the end pointer (not included) of the coordinates of the point
3817 * \param [out] cellId that corresponds to minimal distance. If the closer node is not linked to any cell in \a this -1 is returned.
3818 * \return the positive value of the distance.
3819 * \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
3821 * \sa DataArrayDouble::distanceToTuple, MEDCouplingUMesh::distanceToPoints
3823 double MEDCouplingUMesh::distanceToPoint(const double *ptBg, const double *ptEnd, int& cellId) const
3825 int meshDim=getMeshDimension(),spaceDim=getSpaceDimension();
3826 if(meshDim!=spaceDim-1)
3827 throw INTERP_KERNEL::Exception("MEDCouplingUMesh::distanceToPoint works only for spaceDim=meshDim+1 !");
3828 if(meshDim!=2 && meshDim!=1)
3829 throw INTERP_KERNEL::Exception("MEDCouplingUMesh::distanceToPoint : only mesh dimension 2 and 1 are implemented !");
3830 checkFullyDefined();
3831 if((int)std::distance(ptBg,ptEnd)!=spaceDim)
3832 { 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()); }
3833 DataArrayInt *ret1=0;
3834 MEDCouplingAutoRefCountObjectPtr<DataArrayDouble> pts=DataArrayDouble::New(); pts->useArray(ptBg,false,C_DEALLOC,1,spaceDim);
3835 MEDCouplingAutoRefCountObjectPtr<DataArrayDouble> ret0=distanceToPoints(pts,ret1);
3836 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> ret1Safe(ret1);
3837 cellId=*ret1Safe->begin();
3838 return *ret0->begin();
3842 * This method computes the distance from each point of points serie \a pts (stored in a DataArrayDouble in which each tuple represents a point)
3843 * to \a this and the first \a cellId in \a this corresponding to the returned distance.
3844 * 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
3845 * 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).
3846 * A user that needs to consider orphan nodes should invoke DataArrayDouble::minimalDistanceTo method on the coordinates array of \a this.
3848 * \a this is expected to be a mesh so that its space dimension is equal to its
3849 * mesh dimension + 1. Furthermore only mesh dimension 1 and 2 are supported for the moment.
3850 * 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).
3852 * So this method is more accurate (so, more costly) than simply searching for each point in \a pts the closest point in \a this.
3853 * If only this information is enough for you simply call \c getCoords()->distanceToTuple on \a this.
3855 * \param [in] pts the list of points in which each tuple represents a point
3856 * \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.
3857 * \return a newly allocated object to be dealed by the caller that tells for each point in \a pts the distance to \a this.
3858 * \throw if number of components of \a pts is not equal to the space dimension.
3859 * \throw if mesh dimension of \a this is not equal to space dimension - 1.
3860 * \sa DataArrayDouble::distanceToTuple, MEDCouplingUMesh::distanceToPoint
3862 DataArrayDouble *MEDCouplingUMesh::distanceToPoints(const DataArrayDouble *pts, DataArrayInt *& cellIds) const
3865 throw INTERP_KERNEL::Exception("MEDCouplingUMesh::distanceToPoints : input points pointer is NULL !");
3866 pts->checkAllocated();
3867 int meshDim=getMeshDimension(),spaceDim=getSpaceDimension();
3868 if(meshDim!=spaceDim-1)
3869 throw INTERP_KERNEL::Exception("MEDCouplingUMesh::distanceToPoints works only for spaceDim=meshDim+1 !");
3870 if(meshDim!=2 && meshDim!=1)
3871 throw INTERP_KERNEL::Exception("MEDCouplingUMesh::distanceToPoints : only mesh dimension 2 and 1 are implemented !");
3872 if(pts->getNumberOfComponents()!=spaceDim)
3874 std::ostringstream oss; oss << "MEDCouplingUMesh::distanceToPoints : input pts DataArrayDouble has " << pts->getNumberOfComponents() << " components whereas it should be equal to " << spaceDim << " (mesh spaceDimension) !";
3875 throw INTERP_KERNEL::Exception(oss.str().c_str());
3877 checkFullyDefined();
3878 int nbCells=getNumberOfCells();
3880 throw INTERP_KERNEL::Exception("MEDCouplingUMesh::distanceToPoints : no cells in this !");
3881 int nbOfPts=pts->getNumberOfTuples();
3882 MEDCouplingAutoRefCountObjectPtr<DataArrayDouble> ret0=DataArrayDouble::New(); ret0->alloc(nbOfPts,1);
3883 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> ret1=DataArrayInt::New(); ret1->alloc(nbOfPts,1);
3884 const int *nc=_nodal_connec->begin(),*ncI=_nodal_connec_index->begin(); const double *coords=_coords->begin();
3885 double *ret0Ptr=ret0->getPointer(); int *ret1Ptr=ret1->getPointer(); const double *ptsPtr=pts->begin();
3886 MEDCouplingAutoRefCountObjectPtr<DataArrayDouble> bboxArr(getBoundingBoxForBBTree());
3887 const double *bbox(bboxArr->begin());
3892 BBTreeDst<3> myTree(bbox,0,0,nbCells);
3893 for(int i=0;i<nbOfPts;i++,ret0Ptr++,ret1Ptr++,ptsPtr+=3)
3895 double x=std::numeric_limits<double>::max();
3896 std::vector<int> elems;
3897 myTree.getMinDistanceOfMax(ptsPtr,x);
3898 myTree.getElemsWhoseMinDistanceToPtSmallerThan(ptsPtr,x,elems);
3899 DistanceToPoint3DSurfAlg(ptsPtr,&elems[0],&elems[0]+elems.size(),coords,nc,ncI,*ret0Ptr,*ret1Ptr);
3905 BBTreeDst<2> myTree(bbox,0,0,nbCells);
3906 for(int i=0;i<nbOfPts;i++,ret0Ptr++,ret1Ptr++,ptsPtr+=2)
3908 double x=std::numeric_limits<double>::max();
3909 std::vector<int> elems;
3910 myTree.getMinDistanceOfMax(ptsPtr,x);
3911 myTree.getElemsWhoseMinDistanceToPtSmallerThan(ptsPtr,x,elems);
3912 DistanceToPoint2DCurveAlg(ptsPtr,&elems[0],&elems[0]+elems.size(),coords,nc,ncI,*ret0Ptr,*ret1Ptr);
3917 throw INTERP_KERNEL::Exception("MEDCouplingUMesh::distanceToPoints : only spacedim 2 and 3 supported !");
3919 cellIds=ret1.retn();
3924 * \param [in] pt the start pointer (included) of the coordinates of the point
3925 * \param [in] cellIdsBg the start pointer (included) of cellIds
3926 * \param [in] cellIdsEnd the end pointer (excluded) of cellIds
3927 * \param [in] nc nodal connectivity
3928 * \param [in] ncI nodal connectivity index
3929 * \param [in,out] ret0 the min distance between \a this and the external input point
3930 * \param [out] cellId that corresponds to minimal distance. If the closer node is not linked to any cell in \a this -1 is returned.
3931 * \sa MEDCouplingUMesh::distanceToPoint, MEDCouplingUMesh::distanceToPoints
3933 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)
3936 ret0=std::numeric_limits<double>::max();
3937 for(const int *zeCell=cellIdsBg;zeCell!=cellIdsEnd;zeCell++)
3939 switch((INTERP_KERNEL::NormalizedCellType)nc[ncI[*zeCell]])
3941 case INTERP_KERNEL::NORM_TRI3:
3943 double tmp=INTERP_KERNEL::DistanceFromPtToTriInSpaceDim3(pt,coords+3*nc[ncI[*zeCell]+1],coords+3*nc[ncI[*zeCell]+2],coords+3*nc[ncI[*zeCell]+3]);
3945 { ret0=tmp; cellId=*zeCell; }
3948 case INTERP_KERNEL::NORM_QUAD4:
3949 case INTERP_KERNEL::NORM_POLYGON:
3951 double tmp=INTERP_KERNEL::DistanceFromPtToPolygonInSpaceDim3(pt,nc+ncI[*zeCell]+1,nc+ncI[*zeCell+1],coords);
3953 { ret0=tmp; cellId=*zeCell; }
3957 throw INTERP_KERNEL::Exception("MEDCouplingUMesh::distanceToPoint3DSurfAlg : not managed cell type ! Supporting TRI3, QUAD4 and POLYGON !");
3963 * \param [in] pt the start pointer (included) of the coordinates of the point
3964 * \param [in] cellIdsBg the start pointer (included) of cellIds
3965 * \param [in] cellIdsEnd the end pointer (excluded) of cellIds
3966 * \param [in] nc nodal connectivity
3967 * \param [in] ncI nodal connectivity index
3968 * \param [in,out] ret0 the min distance between \a this and the external input point
3969 * \param [out] cellId that corresponds to minimal distance. If the closer node is not linked to any cell in \a this -1 is returned.
3970 * \sa MEDCouplingUMesh::distanceToPoint, MEDCouplingUMesh::distanceToPoints
3972 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)
3975 ret0=std::numeric_limits<double>::max();
3976 for(const int *zeCell=cellIdsBg;zeCell!=cellIdsEnd;zeCell++)
3978 switch((INTERP_KERNEL::NormalizedCellType)nc[ncI[*zeCell]])
3980 case INTERP_KERNEL::NORM_SEG2:
3982 std::size_t uselessEntry=0;
3983 double tmp=INTERP_KERNEL::SquareDistanceFromPtToSegInSpaceDim2(pt,coords+2*nc[ncI[*zeCell]+1],coords+2*nc[ncI[*zeCell]+2],uselessEntry);
3986 { ret0=tmp; cellId=*zeCell; }
3990 throw INTERP_KERNEL::Exception("MEDCouplingUMesh::distanceToPoint2DCurveAlg : not managed cell type ! Supporting SEG2 !");
3996 * Finds cells in contact with a ball (i.e. a point with precision).
3997 * \warning This method is suitable if the caller intends to evaluate only one
3998 * point, for more points getCellsContainingPoints() is recommended as it is
4000 * \param [in] pos - array of coordinates of the ball central point.
4001 * \param [in] eps - ball radius.
4002 * \return int - a smallest id of cells being in contact with the ball, -1 in case
4003 * if there are no such cells.
4004 * \throw If the coordinates array is not set.
4005 * \throw If \a this->getMeshDimension() != \a this->getSpaceDimension().
4007 int MEDCouplingUMesh::getCellContainingPoint(const double *pos, double eps) const
4009 std::vector<int> elts;
4010 getCellsContainingPoint(pos,eps,elts);
4013 return elts.front();
4017 * Finds cells in contact with a ball (i.e. a point with precision).
4018 * \warning This method is suitable if the caller intends to evaluate only one
4019 * point, for more points getCellsContainingPoints() is recommended as it is
4021 * \param [in] pos - array of coordinates of the ball central point.
4022 * \param [in] eps - ball radius.
4023 * \param [out] elts - vector returning ids of the found cells. It is cleared
4024 * before inserting ids.
4025 * \throw If the coordinates array is not set.
4026 * \throw If \a this->getMeshDimension() != \a this->getSpaceDimension().
4028 * \ref cpp_mcumesh_getCellsContainingPoint "Here is a C++ example".<br>
4029 * \ref py_mcumesh_getCellsContainingPoint "Here is a Python example".
4031 void MEDCouplingUMesh::getCellsContainingPoint(const double *pos, double eps, std::vector<int>& elts) const
4033 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> eltsUg,eltsIndexUg;
4034 getCellsContainingPoints(pos,1,eps,eltsUg,eltsIndexUg);
4035 elts.clear(); elts.insert(elts.end(),eltsUg->begin(),eltsUg->end());
4040 namespace ParaMEDMEM
4042 template<const int SPACEDIMM>
4046 static const int MY_SPACEDIM=SPACEDIMM;
4047 static const int MY_MESHDIM=8;
4048 typedef int MyConnType;
4049 static const INTERP_KERNEL::NumberingPolicy My_numPol=INTERP_KERNEL::ALL_C_MODE;
4051 // useless, but for windows compilation ...
4052 const double* getCoordinatesPtr() const { return 0; }
4053 const int* getConnectivityPtr() const { return 0; }
4054 const int* getConnectivityIndexPtr() const { return 0; }
4055 INTERP_KERNEL::NormalizedCellType getTypeOfElement(int) const { return (INTERP_KERNEL::NormalizedCellType)0; }
4059 INTERP_KERNEL::Edge *MEDCouplingUMeshBuildQPFromEdge(INTERP_KERNEL::NormalizedCellType typ, std::map<int, std::pair<INTERP_KERNEL::Node *,bool> >& mapp2, const int *bg)
4061 INTERP_KERNEL::Edge *ret=0;
4064 case INTERP_KERNEL::NORM_SEG2:
4066 ret=new INTERP_KERNEL::EdgeLin(mapp2[bg[0]].first,mapp2[bg[1]].first);
4069 case INTERP_KERNEL::NORM_SEG3:
4071 INTERP_KERNEL::EdgeLin *e1=new INTERP_KERNEL::EdgeLin(mapp2[bg[0]].first,mapp2[bg[2]].first);
4072 INTERP_KERNEL::EdgeLin *e2=new INTERP_KERNEL::EdgeLin(mapp2[bg[2]].first,mapp2[bg[1]].first);
4073 INTERP_KERNEL::SegSegIntersector inters(*e1,*e2);
4074 bool colinearity=inters.areColinears();
4075 delete e1; delete e2;
4077 ret=new INTERP_KERNEL::EdgeLin(mapp2[bg[0]].first,mapp2[bg[1]].first);
4079 ret=new INTERP_KERNEL::EdgeArcCircle(mapp2[bg[0]].first,mapp2[bg[2]].first,mapp2[bg[1]].first);
4080 mapp2[bg[2]].second=false;
4084 throw INTERP_KERNEL::Exception("MEDCouplingUMeshBuildQPFromEdge : Expecting a mesh with spaceDim==2 and meshDim==1 !");
4090 * 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'.
4091 * The input meth 'mDesc' must be so that mDim==1 et spaceDim==3.
4092 * 'mapp' contains a mapping between local numbering in submesh and the global node numbering in 'mDesc'.
4094 INTERP_KERNEL::QuadraticPolygon *MEDCouplingUMeshBuildQPFromMesh(const MEDCouplingUMesh *mDesc, const std::vector<int>& candidates, std::map<INTERP_KERNEL::Node *,int>& mapp) throw(INTERP_KERNEL::Exception)
4097 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.
4098 const double *coo=mDesc->getCoords()->getConstPointer();
4099 const int *c=mDesc->getNodalConnectivity()->getConstPointer();
4100 const int *cI=mDesc->getNodalConnectivityIndex()->getConstPointer();
4102 for(std::vector<int>::const_iterator it=candidates.begin();it!=candidates.end();it++)
4103 s.insert(c+cI[*it]+1,c+cI[(*it)+1]);
4104 for(std::set<int>::const_iterator it2=s.begin();it2!=s.end();it2++)
4106 INTERP_KERNEL::Node *n=new INTERP_KERNEL::Node(coo[2*(*it2)],coo[2*(*it2)+1]);
4107 mapp2[*it2]=std::pair<INTERP_KERNEL::Node *,bool>(n,true);
4109 INTERP_KERNEL::QuadraticPolygon *ret=new INTERP_KERNEL::QuadraticPolygon;
4110 for(std::vector<int>::const_iterator it=candidates.begin();it!=candidates.end();it++)
4112 INTERP_KERNEL::NormalizedCellType typ=(INTERP_KERNEL::NormalizedCellType)c[cI[*it]];
4113 ret->pushBack(MEDCouplingUMeshBuildQPFromEdge(typ,mapp2,c+cI[*it]+1));
4115 for(std::map<int, std::pair<INTERP_KERNEL::Node *,bool> >::const_iterator it2=mapp2.begin();it2!=mapp2.end();it2++)
4117 if((*it2).second.second)
4118 mapp[(*it2).second.first]=(*it2).first;
4119 ((*it2).second.first)->decrRef();
4124 INTERP_KERNEL::Node *MEDCouplingUMeshBuildQPNode(int nodeId, const double *coo1, int offset1, const double *coo2, int offset2, const std::vector<double>& addCoo)
4128 int locId=nodeId-offset2;
4129 return new INTERP_KERNEL::Node(addCoo[2*locId],addCoo[2*locId+1]);
4133 int locId=nodeId-offset1;
4134 return new INTERP_KERNEL::Node(coo2[2*locId],coo2[2*locId+1]);
4136 return new INTERP_KERNEL::Node(coo1[2*nodeId],coo1[2*nodeId+1]);
4139 void MEDCouplingUMeshBuildQPFromMesh3(const double *coo1, int offset1, const double *coo2, int offset2, const std::vector<double>& addCoo,
4140 const int *desc1Bg, const int *desc1End, const std::vector<std::vector<int> >& intesctEdges1,
4141 /*output*/std::map<INTERP_KERNEL::Node *,int>& mapp, std::map<int,INTERP_KERNEL::Node *>& mappRev)
4143 for(const int *desc1=desc1Bg;desc1!=desc1End;desc1++)
4145 int eltId1=abs(*desc1)-1;
4146 for(std::vector<int>::const_iterator it1=intesctEdges1[eltId1].begin();it1!=intesctEdges1[eltId1].end();it1++)
4148 std::map<int,INTERP_KERNEL::Node *>::const_iterator it=mappRev.find(*it1);
4149 if(it==mappRev.end())
4151 INTERP_KERNEL::Node *node=MEDCouplingUMeshBuildQPNode(*it1,coo1,offset1,coo2,offset2,addCoo);
4162 template<int SPACEDIM>
4163 void MEDCouplingUMesh::getCellsContainingPointsAlg(const double *coords, const double *pos, int nbOfPoints,
4164 double eps, MEDCouplingAutoRefCountObjectPtr<DataArrayInt>& elts, MEDCouplingAutoRefCountObjectPtr<DataArrayInt>& eltsIndex) const
4166 elts=DataArrayInt::New(); eltsIndex=DataArrayInt::New(); eltsIndex->alloc(nbOfPoints+1,1); eltsIndex->setIJ(0,0,0); elts->alloc(0,1);
4167 int *eltsIndexPtr(eltsIndex->getPointer());
4168 MEDCouplingAutoRefCountObjectPtr<DataArrayDouble> bboxArr(getBoundingBoxForBBTree());
4169 const double *bbox(bboxArr->begin());
4170 int nbOfCells=getNumberOfCells();
4171 const int *conn=_nodal_connec->getConstPointer();
4172 const int *connI=_nodal_connec_index->getConstPointer();
4173 double bb[2*SPACEDIM];
4174 BBTree<SPACEDIM,int> myTree(&bbox[0],0,0,nbOfCells,-eps);
4175 for(int i=0;i<nbOfPoints;i++)
4177 eltsIndexPtr[i+1]=eltsIndexPtr[i];
4178 for(int j=0;j<SPACEDIM;j++)
4180 bb[2*j]=pos[SPACEDIM*i+j];
4181 bb[2*j+1]=pos[SPACEDIM*i+j];
4183 std::vector<int> candidates;
4184 myTree.getIntersectingElems(bb,candidates);
4185 for(std::vector<int>::const_iterator iter=candidates.begin();iter!=candidates.end();iter++)
4187 int sz=connI[(*iter)+1]-connI[*iter]-1;
4188 if(INTERP_KERNEL::PointLocatorAlgos<DummyClsMCUG<SPACEDIM> >::isElementContainsPoint(pos+i*SPACEDIM,
4189 (INTERP_KERNEL::NormalizedCellType)conn[connI[*iter]],
4190 coords,conn+connI[*iter]+1,sz,eps))
4192 eltsIndexPtr[i+1]++;
4193 elts->pushBackSilent(*iter);
4199 * Finds cells in contact with several balls (i.e. points with precision).
4200 * This method is an extension of getCellContainingPoint() and
4201 * getCellsContainingPoint() for the case of multiple points.
4202 * \param [in] pos - an array of coordinates of points in full interlace mode :
4203 * X0,Y0,Z0,X1,Y1,Z1,... Size of the array must be \a
4204 * this->getSpaceDimension() * \a nbOfPoints
4205 * \param [in] nbOfPoints - number of points to locate within \a this mesh.
4206 * \param [in] eps - radius of balls (i.e. the precision).
4207 * \param [out] elts - vector returning ids of found cells.
4208 * \param [out] eltsIndex - an array, of length \a nbOfPoints + 1,
4209 * dividing cell ids in \a elts into groups each referring to one
4210 * point. Its every element (except the last one) is an index pointing to the
4211 * first id of a group of cells. For example cells in contact with the *i*-th
4212 * point are described by following range of indices:
4213 * [ \a eltsIndex[ *i* ], \a eltsIndex[ *i*+1 ] ) and the cell ids are
4214 * \a elts[ \a eltsIndex[ *i* ]], \a elts[ \a eltsIndex[ *i* ] + 1 ], ...
4215 * Number of cells in contact with the *i*-th point is
4216 * \a eltsIndex[ *i*+1 ] - \a eltsIndex[ *i* ].
4217 * \throw If the coordinates array is not set.
4218 * \throw If \a this->getMeshDimension() != \a this->getSpaceDimension().
4220 * \ref cpp_mcumesh_getCellsContainingPoints "Here is a C++ example".<br>
4221 * \ref py_mcumesh_getCellsContainingPoints "Here is a Python example".
4223 void MEDCouplingUMesh::getCellsContainingPoints(const double *pos, int nbOfPoints, double eps,
4224 MEDCouplingAutoRefCountObjectPtr<DataArrayInt>& elts, MEDCouplingAutoRefCountObjectPtr<DataArrayInt>& eltsIndex) const
4226 int spaceDim=getSpaceDimension();
4227 int mDim=getMeshDimension();
4232 const double *coords=_coords->getConstPointer();
4233 getCellsContainingPointsAlg<3>(coords,pos,nbOfPoints,eps,elts,eltsIndex);
4240 throw INTERP_KERNEL::Exception("For spaceDim==3 only meshDim==3 implemented for getelementscontainingpoints !");
4242 else if(spaceDim==2)
4246 const double *coords=_coords->getConstPointer();
4247 getCellsContainingPointsAlg<2>(coords,pos,nbOfPoints,eps,elts,eltsIndex);
4250 throw INTERP_KERNEL::Exception("For spaceDim==2 only meshDim==2 implemented for getelementscontainingpoints !");
4252 else if(spaceDim==1)
4256 const double *coords=_coords->getConstPointer();
4257 getCellsContainingPointsAlg<1>(coords,pos,nbOfPoints,eps,elts,eltsIndex);
4260 throw INTERP_KERNEL::Exception("For spaceDim==1 only meshDim==1 implemented for getelementscontainingpoints !");
4263 throw INTERP_KERNEL::Exception("MEDCouplingUMesh::getCellsContainingPoints : not managed for mdim not in [1,2,3] !");
4267 * Finds butterfly cells in \a this mesh. A 2D cell is considered to be butterfly if at
4268 * least two its edges intersect each other anywhere except their extremities. An
4269 * INTERP_KERNEL::NORM_NORI3 cell can \b not be butterfly.
4270 * \param [in,out] cells - a vector returning ids of the found cells. It is not
4271 * cleared before filling in.
4272 * \param [in] eps - precision.
4273 * \throw If \a this->getMeshDimension() != 2.
4274 * \throw If \a this->getSpaceDimension() != 2 && \a this->getSpaceDimension() != 3.
4276 void MEDCouplingUMesh::checkButterflyCells(std::vector<int>& cells, double eps) const
4278 const char msg[]="Butterfly detection work only for 2D cells with spaceDim==2 or 3!";
4279 if(getMeshDimension()!=2)
4280 throw INTERP_KERNEL::Exception(msg);
4281 int spaceDim=getSpaceDimension();
4282 if(spaceDim!=2 && spaceDim!=3)
4283 throw INTERP_KERNEL::Exception(msg);
4284 const int *conn=_nodal_connec->getConstPointer();
4285 const int *connI=_nodal_connec_index->getConstPointer();
4286 int nbOfCells=getNumberOfCells();
4287 std::vector<double> cell2DinS2;
4288 for(int i=0;i<nbOfCells;i++)
4290 int offset=connI[i];
4291 int nbOfNodesForCell=connI[i+1]-offset-1;
4292 if(nbOfNodesForCell<=3)
4294 bool isQuad=INTERP_KERNEL::CellModel::GetCellModel((INTERP_KERNEL::NormalizedCellType)conn[offset]).isQuadratic();
4295 project2DCellOnXY(conn+offset+1,conn+connI[i+1],cell2DinS2);
4296 if(isButterfly2DCell(cell2DinS2,isQuad,eps))
4303 * This method is typically requested to unbutterfly 2D linear cells in \b this.
4305 * 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.
4306 * 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.
4308 * For each 2D linear cell in \b this, this method builds the convex envelop (or the convex hull) of the current cell.
4309 * This convex envelop is computed using Jarvis march algorithm.
4310 * The coordinates and the number of cells of \b this remain unchanged on invocation of this method.
4311 * 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)
4312 * 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.
4314 * \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.
4316 DataArrayInt *MEDCouplingUMesh::convexEnvelop2D()
4318 if(getMeshDimension()!=2 || getSpaceDimension()!=2)
4319 throw INTERP_KERNEL::Exception("MEDCouplingUMesh::convexEnvelop2D works only for meshDim=2 and spaceDim=2 !");
4320 checkFullyDefined();
4321 const double *coords=getCoords()->getConstPointer();
4322 int nbOfCells=getNumberOfCells();
4323 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> nodalConnecIndexOut=DataArrayInt::New();
4324 nodalConnecIndexOut->alloc(nbOfCells+1,1);
4325 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> nodalConnecOut(DataArrayInt::New());
4326 int *workIndexOut=nodalConnecIndexOut->getPointer();
4328 const int *nodalConnecIn=_nodal_connec->getConstPointer();
4329 const int *nodalConnecIndexIn=_nodal_connec_index->getConstPointer();
4330 std::set<INTERP_KERNEL::NormalizedCellType> types;
4331 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> isChanged(DataArrayInt::New());
4332 isChanged->alloc(0,1);
4333 for(int i=0;i<nbOfCells;i++,workIndexOut++)
4335 int pos=nodalConnecOut->getNumberOfTuples();
4336 if(BuildConvexEnvelopOf2DCellJarvis(coords,nodalConnecIn+nodalConnecIndexIn[i],nodalConnecIn+nodalConnecIndexIn[i+1],nodalConnecOut))
4337 isChanged->pushBackSilent(i);
4338 types.insert((INTERP_KERNEL::NormalizedCellType)nodalConnecOut->getIJ(pos,0));
4339 workIndexOut[1]=nodalConnecOut->getNumberOfTuples();
4341 if(isChanged->empty())
4343 setConnectivity(nodalConnecOut,nodalConnecIndexOut,false);
4345 return isChanged.retn();
4349 * This method is \b NOT const because it can modify \a this.
4350 * \a this is expected to be an unstructured mesh with meshDim==2 and spaceDim==3. If not an exception will be thrown.
4351 * \param mesh1D is an unstructured mesh with MeshDim==1 and spaceDim==3. If not an exception will be thrown.
4352 * \param policy specifies the type of extrusion chosen. \b 0 for translation (most simple),
4353 * \b 1 for translation and rotation around point of 'mesh1D'.
4354 * \return an unstructured mesh with meshDim==3 and spaceDim==3. The returned mesh has the same coords than \a this.
4356 MEDCouplingUMesh *MEDCouplingUMesh::buildExtrudedMesh(const MEDCouplingUMesh *mesh1D, int policy)
4358 checkFullyDefined();
4359 mesh1D->checkFullyDefined();
4360 if(!mesh1D->isContiguous1D())
4361 throw INTERP_KERNEL::Exception("buildExtrudedMesh : 1D mesh passed in parameter is not contiguous !");
4362 if(getSpaceDimension()!=mesh1D->getSpaceDimension())
4363 throw INTERP_KERNEL::Exception("Invalid call to buildExtrudedMesh this and mesh1D must have same space dimension !");
4364 if((getMeshDimension()!=2 || getSpaceDimension()!=3) && (getMeshDimension()!=1 || getSpaceDimension()!=2))
4365 throw INTERP_KERNEL::Exception("Invalid 'this' for buildExtrudedMesh method : must be (meshDim==2 and spaceDim==3) or (meshDim==1 and spaceDim==2) !");
4366 if(mesh1D->getMeshDimension()!=1)
4367 throw INTERP_KERNEL::Exception("Invalid 'mesh1D' for buildExtrudedMesh method : must be meshDim==1 !");
4369 if(isPresenceOfQuadratic())
4371 if(mesh1D->isFullyQuadratic())
4374 throw INTERP_KERNEL::Exception("Invalid 2D mesh and 1D mesh because 2D mesh has quadratic cells and 1D is not fully quadratic !");
4377 int oldNbOfNodes=getNumberOfNodes();
4378 MEDCouplingAutoRefCountObjectPtr<DataArrayDouble> newCoords;
4383 newCoords=fillExtCoordsUsingTranslation(mesh1D,isQuad);
4388 newCoords=fillExtCoordsUsingTranslAndAutoRotation(mesh1D,isQuad);
4392 throw INTERP_KERNEL::Exception("Not implemented extrusion policy : must be in (0) !");
4394 setCoords(newCoords);
4395 MEDCouplingAutoRefCountObjectPtr<MEDCouplingUMesh> ret=buildExtrudedMeshFromThisLowLev(oldNbOfNodes,isQuad);
4401 * This method works on a 3D curve linear mesh that is to say (meshDim==1 and spaceDim==3).
4402 * If it is not the case an exception will be thrown.
4403 * This method is non const because the coordinate of \a this can be appended with some new points issued from
4404 * intersection of plane defined by ('origin','vec').
4405 * This method has one in/out parameter : 'cut3DCurve'.
4406 * Param 'cut3DCurve' is expected to be of size 'this->getNumberOfCells()'. For each i in [0,'this->getNumberOfCells()')
4407 * if cut3DCurve[i]==-2, it means that for cell #i in \a this nothing has been detected previously.
4408 * if cut3DCurve[i]==-1, it means that cell#i has been already detected to be fully part of plane defined by ('origin','vec').
4409 * This method will throw an exception if \a this contains a non linear segment.
4411 void MEDCouplingUMesh::split3DCurveWithPlane(const double *origin, const double *vec, double eps, std::vector<int>& cut3DCurve)
4413 checkFullyDefined();
4414 if(getMeshDimension()!=1 || getSpaceDimension()!=3)
4415 throw INTERP_KERNEL::Exception("MEDCouplingUMesh::split3DCurveWithPlane works on umeshes with meshdim equal to 1 and spaceDim equal to 3 !");
4416 int ncells=getNumberOfCells();
4417 int nnodes=getNumberOfNodes();
4418 double vec2[3],vec3[3],vec4[3];
4419 double normm=sqrt(vec[0]*vec[0]+vec[1]*vec[1]+vec[2]*vec[2]);
4421 throw INTERP_KERNEL::Exception("MEDCouplingUMesh::split3DCurveWithPlane : parameter 'vec' should have a norm2 greater than 1e-6 !");
4422 vec2[0]=vec[0]/normm; vec2[1]=vec[1]/normm; vec2[2]=vec[2]/normm;
4423 const int *conn=_nodal_connec->getConstPointer();
4424 const int *connI=_nodal_connec_index->getConstPointer();
4425 const double *coo=_coords->getConstPointer();
4426 std::vector<double> addCoo;
4427 for(int i=0;i<ncells;i++)
4429 if(conn[connI[i]]==(int)INTERP_KERNEL::NORM_SEG2)
4431 if(cut3DCurve[i]==-2)
4433 int st=conn[connI[i]+1],endd=conn[connI[i]+2];
4434 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];
4435 double normm2=sqrt(vec3[0]*vec3[0]+vec3[1]*vec3[1]+vec3[2]*vec3[2]);
4436 double colin=std::abs((vec3[0]*vec2[0]+vec3[1]*vec2[1]+vec3[2]*vec2[2])/normm2);
4437 if(colin>eps)//if colin<=eps -> current SEG2 is colinear to the input plane
4439 const double *st2=coo+3*st;
4440 vec4[0]=st2[0]-origin[0]; vec4[1]=st2[1]-origin[1]; vec4[2]=st2[2]-origin[2];
4441 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]));
4442 if(pos>eps && pos<1-eps)
4444 int nNode=((int)addCoo.size())/3;
4445 vec4[0]=st2[0]+pos*vec3[0]; vec4[1]=st2[1]+pos*vec3[1]; vec4[2]=st2[2]+pos*vec3[2];
4446 addCoo.insert(addCoo.end(),vec4,vec4+3);
4447 cut3DCurve[i]=nnodes+nNode;
4453 throw INTERP_KERNEL::Exception("MEDCouplingUMesh::split3DCurveWithPlane : this method is only available for linear cell (NORM_SEG2) !");
4457 int newNbOfNodes=nnodes+((int)addCoo.size())/3;
4458 MEDCouplingAutoRefCountObjectPtr<DataArrayDouble> coo2=DataArrayDouble::New();
4459 coo2->alloc(newNbOfNodes,3);
4460 double *tmp=coo2->getPointer();
4461 tmp=std::copy(_coords->begin(),_coords->end(),tmp);
4462 std::copy(addCoo.begin(),addCoo.end(),tmp);
4463 DataArrayDouble::SetArrayIn(coo2,_coords);
4468 * This method incarnates the policy 0 for MEDCouplingUMesh::buildExtrudedMesh method.
4469 * \param mesh1D is the input 1D mesh used for translation computation.
4470 * \return newCoords new coords filled by this method.
4472 DataArrayDouble *MEDCouplingUMesh::fillExtCoordsUsingTranslation(const MEDCouplingUMesh *mesh1D, bool isQuad) const
4474 int oldNbOfNodes=getNumberOfNodes();
4475 int nbOf1DCells=mesh1D->getNumberOfCells();
4476 int spaceDim=getSpaceDimension();
4477 DataArrayDouble *ret=DataArrayDouble::New();
4478 std::vector<bool> isQuads;
4479 int nbOfLevsInVec=isQuad?2*nbOf1DCells+1:nbOf1DCells+1;
4480 ret->alloc(oldNbOfNodes*nbOfLevsInVec,spaceDim);
4481 double *retPtr=ret->getPointer();
4482 const double *coords=getCoords()->getConstPointer();
4483 double *work=std::copy(coords,coords+spaceDim*oldNbOfNodes,retPtr);
4485 std::vector<double> c;
4489 for(int i=0;i<nbOf1DCells;i++)
4492 mesh1D->getNodeIdsOfCell(i,v);
4494 mesh1D->getCoordinatesOfNode(v[isQuad?2:1],c);
4495 mesh1D->getCoordinatesOfNode(v[0],c);
4496 std::transform(c.begin(),c.begin()+spaceDim,c.begin()+spaceDim,vec,std::minus<double>());
4497 for(int j=0;j<oldNbOfNodes;j++)
4498 work=std::transform(vec,vec+spaceDim,retPtr+spaceDim*(i*oldNbOfNodes+j),work,std::plus<double>());
4502 mesh1D->getCoordinatesOfNode(v[1],c);
4503 mesh1D->getCoordinatesOfNode(v[0],c);
4504 std::transform(c.begin(),c.begin()+spaceDim,c.begin()+spaceDim,vec,std::minus<double>());
4505 for(int j=0;j<oldNbOfNodes;j++)
4506 work=std::transform(vec,vec+spaceDim,retPtr+spaceDim*(i*oldNbOfNodes+j),work,std::plus<double>());
4509 ret->copyStringInfoFrom(*getCoords());
4514 * This method incarnates the policy 1 for MEDCouplingUMesh::buildExtrudedMesh method.
4515 * \param mesh1D is the input 1D mesh used for translation and automatic rotation computation.
4516 * \return newCoords new coords filled by this method.
4518 DataArrayDouble *MEDCouplingUMesh::fillExtCoordsUsingTranslAndAutoRotation(const MEDCouplingUMesh *mesh1D, bool isQuad) const
4520 if(mesh1D->getSpaceDimension()==2)
4521 return fillExtCoordsUsingTranslAndAutoRotation2D(mesh1D,isQuad);
4522 if(mesh1D->getSpaceDimension()==3)
4523 return fillExtCoordsUsingTranslAndAutoRotation3D(mesh1D,isQuad);
4524 throw INTERP_KERNEL::Exception("Not implemented rotation and translation alg. for spacedim other than 2 and 3 !");
4528 * This method incarnates the policy 1 for MEDCouplingUMesh::buildExtrudedMesh method.
4529 * \param mesh1D is the input 1D mesh used for translation and automatic rotation computation.
4530 * \return newCoords new coords filled by this method.
4532 DataArrayDouble *MEDCouplingUMesh::fillExtCoordsUsingTranslAndAutoRotation2D(const MEDCouplingUMesh *mesh1D, bool isQuad) const
4535 throw INTERP_KERNEL::Exception("MEDCouplingUMesh::fillExtCoordsUsingTranslAndAutoRotation2D : not implemented for quadratic cells !");
4536 int oldNbOfNodes=getNumberOfNodes();
4537 int nbOf1DCells=mesh1D->getNumberOfCells();
4539 throw INTERP_KERNEL::Exception("MEDCouplingUMesh::fillExtCoordsUsingTranslAndAutoRotation2D : impossible to detect any angle of rotation ! Change extrusion policy 1->0 !");
4540 MEDCouplingAutoRefCountObjectPtr<DataArrayDouble> ret=DataArrayDouble::New();
4541 int nbOfLevsInVec=nbOf1DCells+1;
4542 ret->alloc(oldNbOfNodes*nbOfLevsInVec,2);
4543 double *retPtr=ret->getPointer();
4544 retPtr=std::copy(getCoords()->getConstPointer(),getCoords()->getConstPointer()+getCoords()->getNbOfElems(),retPtr);
4545 MEDCouplingAutoRefCountObjectPtr<MEDCouplingUMesh> tmp=MEDCouplingUMesh::New();
4546 MEDCouplingAutoRefCountObjectPtr<DataArrayDouble> tmp2=getCoords()->deepCpy();
4547 tmp->setCoords(tmp2);
4548 const double *coo1D=mesh1D->getCoords()->getConstPointer();
4549 const int *conn1D=mesh1D->getNodalConnectivity()->getConstPointer();
4550 const int *connI1D=mesh1D->getNodalConnectivityIndex()->getConstPointer();
4551 for(int i=1;i<nbOfLevsInVec;i++)
4553 const double *begin=coo1D+2*conn1D[connI1D[i-1]+1];
4554 const double *end=coo1D+2*conn1D[connI1D[i-1]+2];
4555 const double *third=i+1<nbOfLevsInVec?coo1D+2*conn1D[connI1D[i]+2]:coo1D+2*conn1D[connI1D[i-2]+1];
4556 const double vec[2]={end[0]-begin[0],end[1]-begin[1]};
4557 tmp->translate(vec);
4558 double tmp3[2],radius,alpha,alpha0;
4559 const double *p0=i+1<nbOfLevsInVec?begin:third;
4560 const double *p1=i+1<nbOfLevsInVec?end:begin;
4561 const double *p2=i+1<nbOfLevsInVec?third:end;
4562 INTERP_KERNEL::EdgeArcCircle::GetArcOfCirclePassingThru(p0,p1,p2,tmp3,radius,alpha,alpha0);
4563 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]);
4564 double angle=acos(cosangle/(radius*radius));
4565 tmp->rotate(end,0,angle);
4566 retPtr=std::copy(tmp2->getConstPointer(),tmp2->getConstPointer()+tmp2->getNbOfElems(),retPtr);
4572 * This method incarnates the policy 1 for MEDCouplingUMesh::buildExtrudedMesh method.
4573 * \param mesh1D is the input 1D mesh used for translation and automatic rotation computation.
4574 * \return newCoords new coords filled by this method.
4576 DataArrayDouble *MEDCouplingUMesh::fillExtCoordsUsingTranslAndAutoRotation3D(const MEDCouplingUMesh *mesh1D, bool isQuad) const
4579 throw INTERP_KERNEL::Exception("MEDCouplingUMesh::fillExtCoordsUsingTranslAndAutoRotation3D : not implemented for quadratic cells !");
4580 int oldNbOfNodes=getNumberOfNodes();
4581 int nbOf1DCells=mesh1D->getNumberOfCells();
4583 throw INTERP_KERNEL::Exception("MEDCouplingUMesh::fillExtCoordsUsingTranslAndAutoRotation3D : impossible to detect any angle of rotation ! Change extrusion policy 1->0 !");
4584 MEDCouplingAutoRefCountObjectPtr<DataArrayDouble> ret=DataArrayDouble::New();
4585 int nbOfLevsInVec=nbOf1DCells+1;
4586 ret->alloc(oldNbOfNodes*nbOfLevsInVec,3);
4587 double *retPtr=ret->getPointer();
4588 retPtr=std::copy(getCoords()->getConstPointer(),getCoords()->getConstPointer()+getCoords()->getNbOfElems(),retPtr);
4589 MEDCouplingAutoRefCountObjectPtr<MEDCouplingUMesh> tmp=MEDCouplingUMesh::New();
4590 MEDCouplingAutoRefCountObjectPtr<DataArrayDouble> tmp2=getCoords()->deepCpy();
4591 tmp->setCoords(tmp2);
4592 const double *coo1D=mesh1D->getCoords()->getConstPointer();
4593 const int *conn1D=mesh1D->getNodalConnectivity()->getConstPointer();
4594 const int *connI1D=mesh1D->getNodalConnectivityIndex()->getConstPointer();
4595 for(int i=1;i<nbOfLevsInVec;i++)
4597 const double *begin=coo1D+3*conn1D[connI1D[i-1]+1];
4598 const double *end=coo1D+3*conn1D[connI1D[i-1]+2];
4599 const double *third=i+1<nbOfLevsInVec?coo1D+3*conn1D[connI1D[i]+2]:coo1D+3*conn1D[connI1D[i-2]+1];
4600 const double vec[3]={end[0]-begin[0],end[1]-begin[1],end[2]-begin[2]};
4601 tmp->translate(vec);
4602 double tmp3[2],radius,alpha,alpha0;
4603 const double *p0=i+1<nbOfLevsInVec?begin:third;
4604 const double *p1=i+1<nbOfLevsInVec?end:begin;
4605 const double *p2=i+1<nbOfLevsInVec?third:end;
4606 double vecPlane[3]={
4607 (p1[1]-p0[1])*(p2[2]-p1[2])-(p1[2]-p0[2])*(p2[1]-p1[1]),
4608 (p1[2]-p0[2])*(p2[0]-p1[0])-(p1[0]-p0[0])*(p2[2]-p1[2]),
4609 (p1[0]-p0[0])*(p2[1]-p1[1])-(p1[1]-p0[1])*(p2[0]-p1[0]),
4611 double norm=sqrt(vecPlane[0]*vecPlane[0]+vecPlane[1]*vecPlane[1]+vecPlane[2]*vecPlane[2]);
4614 vecPlane[0]/=norm; vecPlane[1]/=norm; vecPlane[2]/=norm;
4615 double norm2=sqrt(vecPlane[0]*vecPlane[0]+vecPlane[1]*vecPlane[1]);
4616 double vec2[2]={vecPlane[1]/norm2,-vecPlane[0]/norm2};
4618 double c2=cos(asin(s2));
4620 {vec2[0]*vec2[0]*(1-c2)+c2, vec2[0]*vec2[1]*(1-c2), vec2[1]*s2},
4621 {vec2[0]*vec2[1]*(1-c2), vec2[1]*vec2[1]*(1-c2)+c2, -vec2[0]*s2},
4622 {-vec2[1]*s2, vec2[0]*s2, c2}
4624 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]};
4625 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]};
4626 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]};
4627 INTERP_KERNEL::EdgeArcCircle::GetArcOfCirclePassingThru(p0r,p1r,p2r,tmp3,radius,alpha,alpha0);
4628 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]);
4629 double angle=acos(cosangle/(radius*radius));
4630 tmp->rotate(end,vecPlane,angle);
4633 retPtr=std::copy(tmp2->getConstPointer(),tmp2->getConstPointer()+tmp2->getNbOfElems(),retPtr);
4639 * This method is private because not easy to use for end user. This method is const contrary to
4640 * MEDCouplingUMesh::buildExtrudedMesh method because this->_coords are expected to contain
4641 * the coords sorted slice by slice.
4642 * \param isQuad specifies presence of quadratic cells.
4644 MEDCouplingUMesh *MEDCouplingUMesh::buildExtrudedMeshFromThisLowLev(int nbOfNodesOf1Lev, bool isQuad) const
4646 int nbOf1DCells=getNumberOfNodes()/nbOfNodesOf1Lev-1;
4647 int nbOf2DCells=getNumberOfCells();
4648 int nbOf3DCells=nbOf2DCells*nbOf1DCells;
4649 MEDCouplingUMesh *ret=MEDCouplingUMesh::New("Extruded",getMeshDimension()+1);
4650 const int *conn=_nodal_connec->getConstPointer();
4651 const int *connI=_nodal_connec_index->getConstPointer();
4652 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> newConn=DataArrayInt::New();
4653 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> newConnI=DataArrayInt::New();
4654 newConnI->alloc(nbOf3DCells+1,1);
4655 int *newConnIPtr=newConnI->getPointer();
4657 std::vector<int> newc;
4658 for(int j=0;j<nbOf2DCells;j++)
4660 AppendExtrudedCell(conn+connI[j],conn+connI[j+1],nbOfNodesOf1Lev,isQuad,newc);
4661 *newConnIPtr++=(int)newc.size();
4663 newConn->alloc((int)(newc.size())*nbOf1DCells,1);
4664 int *newConnPtr=newConn->getPointer();
4665 int deltaPerLev=isQuad?2*nbOfNodesOf1Lev:nbOfNodesOf1Lev;
4666 newConnIPtr=newConnI->getPointer();
4667 for(int iz=0;iz<nbOf1DCells;iz++)
4670 std::transform(newConnIPtr+1,newConnIPtr+1+nbOf2DCells,newConnIPtr+1+iz*nbOf2DCells,std::bind2nd(std::plus<int>(),newConnIPtr[iz*nbOf2DCells]));
4671 for(std::vector<int>::const_iterator iter=newc.begin();iter!=newc.end();iter++,newConnPtr++)
4673 int icell=(int)(iter-newc.begin());
4674 if(std::find(newConnIPtr,newConnIPtr+nbOf2DCells,icell)==newConnIPtr+nbOf2DCells)
4677 *newConnPtr=(*iter)+iz*deltaPerLev;
4682 *newConnPtr=(*iter);
4685 ret->setConnectivity(newConn,newConnI,true);
4686 ret->setCoords(getCoords());
4691 * Checks if \a this mesh is constituted by only quadratic cells.
4692 * \return bool - \c true if there are only quadratic cells in \a this mesh.
4693 * \throw If the coordinates array is not set.
4694 * \throw If the nodal connectivity of cells is not defined.
4696 bool MEDCouplingUMesh::isFullyQuadratic() const
4698 checkFullyDefined();
4700 int nbOfCells=getNumberOfCells();
4701 for(int i=0;i<nbOfCells && ret;i++)
4703 INTERP_KERNEL::NormalizedCellType type=getTypeOfCell(i);
4704 const INTERP_KERNEL::CellModel& cm=INTERP_KERNEL::CellModel::GetCellModel(type);
4705 ret=cm.isQuadratic();
4711 * Checks if \a this mesh includes any quadratic cell.
4712 * \return bool - \c true if there is at least one quadratic cells in \a this mesh.
4713 * \throw If the coordinates array is not set.
4714 * \throw If the nodal connectivity of cells is not defined.
4716 bool MEDCouplingUMesh::isPresenceOfQuadratic() const
4718 checkFullyDefined();
4720 int nbOfCells=getNumberOfCells();
4721 for(int i=0;i<nbOfCells && !ret;i++)
4723 INTERP_KERNEL::NormalizedCellType type=getTypeOfCell(i);
4724 const INTERP_KERNEL::CellModel& cm=INTERP_KERNEL::CellModel::GetCellModel(type);
4725 ret=cm.isQuadratic();
4731 * Converts all quadratic cells to linear ones. If there are no quadratic cells in \a
4732 * this mesh, it remains unchanged.
4733 * \throw If the coordinates array is not set.
4734 * \throw If the nodal connectivity of cells is not defined.
4736 void MEDCouplingUMesh::convertQuadraticCellsToLinear()
4738 checkFullyDefined();
4739 int nbOfCells=getNumberOfCells();
4741 const int *iciptr=_nodal_connec_index->getConstPointer();
4742 for(int i=0;i<nbOfCells;i++)
4744 INTERP_KERNEL::NormalizedCellType type=getTypeOfCell(i);
4745 const INTERP_KERNEL::CellModel& cm=INTERP_KERNEL::CellModel::GetCellModel(type);
4746 if(cm.isQuadratic())
4748 INTERP_KERNEL::NormalizedCellType typel=cm.getLinearType();
4749 const INTERP_KERNEL::CellModel& cml=INTERP_KERNEL::CellModel::GetCellModel(typel);
4750 if(!cml.isDynamic())
4751 delta+=cm.getNumberOfNodes()-cml.getNumberOfNodes();
4753 delta+=(iciptr[i+1]-iciptr[i]-1)/2;
4758 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> newConn=DataArrayInt::New();
4759 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> newConnI=DataArrayInt::New();
4760 const int *icptr=_nodal_connec->getConstPointer();
4761 newConn->alloc(getMeshLength()-delta,1);
4762 newConnI->alloc(nbOfCells+1,1);
4763 int *ocptr=newConn->getPointer();
4764 int *ociptr=newConnI->getPointer();
4767 for(int i=0;i<nbOfCells;i++,ociptr++)
4769 INTERP_KERNEL::NormalizedCellType type=(INTERP_KERNEL::NormalizedCellType)icptr[iciptr[i]];
4770 const INTERP_KERNEL::CellModel& cm=INTERP_KERNEL::CellModel::GetCellModel(type);
4771 if(!cm.isQuadratic())
4773 _types.insert(type);
4774 ocptr=std::copy(icptr+iciptr[i],icptr+iciptr[i+1],ocptr);
4775 ociptr[1]=ociptr[0]+iciptr[i+1]-iciptr[i];
4779 INTERP_KERNEL::NormalizedCellType typel=cm.getLinearType();
4780 _types.insert(typel);
4781 const INTERP_KERNEL::CellModel& cml=INTERP_KERNEL::CellModel::GetCellModel(typel);
4782 int newNbOfNodes=cml.getNumberOfNodes();
4784 newNbOfNodes=(iciptr[i+1]-iciptr[i]-1)/2;
4785 *ocptr++=(int)typel;
4786 ocptr=std::copy(icptr+iciptr[i]+1,icptr+iciptr[i]+newNbOfNodes+1,ocptr);
4787 ociptr[1]=ociptr[0]+newNbOfNodes+1;
4790 setConnectivity(newConn,newConnI,false);
4794 * This method converts all linear cell in \a this to quadratic one.
4795 * Contrary to MEDCouplingUMesh::convertQuadraticCellsToLinear method, here it is needed to specify the target
4796 * 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)
4797 * 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.
4798 * Contrary to MEDCouplingUMesh::convertQuadraticCellsToLinear method, the coordinates in \a this can be become bigger. All created nodes will be put at the
4799 * end of the existing coordinates.
4801 * \param [in] conversionType specifies the type of conversion expected. Only 0 (default) and 1 are supported presently. 0 those that creates the 'most' simple
4802 * corresponding quadratic cells. 1 is those creating the 'most' complex.
4803 * \return a newly created DataArrayInt instance that the caller should deal with containing cell ids of converted cells.
4805 * \throw if \a this is not fully defined. It throws too if \a conversionType is not in [0,1].
4807 * \sa MEDCouplingUMesh::convertQuadraticCellsToLinear
4809 DataArrayInt *MEDCouplingUMesh::convertLinearCellsToQuadratic(int conversionType)
4811 DataArrayInt *conn=0,*connI=0;
4812 DataArrayDouble *coords=0;
4813 std::set<INTERP_KERNEL::NormalizedCellType> types;
4814 checkFullyDefined();
4815 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> ret,connSafe,connISafe;
4816 MEDCouplingAutoRefCountObjectPtr<DataArrayDouble> coordsSafe;
4817 int meshDim=getMeshDimension();
4818 switch(conversionType)
4824 ret=convertLinearCellsToQuadratic1D0(conn,connI,coords,types);
4825 connSafe=conn; connISafe=connI; coordsSafe=coords;
4828 ret=convertLinearCellsToQuadratic2D0(conn,connI,coords,types);
4829 connSafe=conn; connISafe=connI; coordsSafe=coords;
4832 ret=convertLinearCellsToQuadratic3D0(conn,connI,coords,types);
4833 connSafe=conn; connISafe=connI; coordsSafe=coords;
4836 throw INTERP_KERNEL::Exception("MEDCouplingUMesh::convertLinearCellsToQuadratic : conversion of type 0 mesh dimensions available are [1,2,3] !");
4844 ret=convertLinearCellsToQuadratic1D0(conn,connI,coords,types);//it is not a bug. In 1D policy 0 and 1 are equals
4845 connSafe=conn; connISafe=connI; coordsSafe=coords;
4848 ret=convertLinearCellsToQuadratic2D1(conn,connI,coords,types);
4849 connSafe=conn; connISafe=connI; coordsSafe=coords;
4852 ret=convertLinearCellsToQuadratic3D1(conn,connI,coords,types);
4853 connSafe=conn; connISafe=connI; coordsSafe=coords;
4856 throw INTERP_KERNEL::Exception("MEDCouplingUMesh::convertLinearCellsToQuadratic : conversion of type 1 mesh dimensions available are [1,2,3] !");
4861 throw INTERP_KERNEL::Exception("MEDCouplingUMesh::convertLinearCellsToQuadratic : conversion type available are 0 (default, the simplest) and 1 (the most complex) !");
4863 setConnectivity(connSafe,connISafe,false);
4865 setCoords(coordsSafe);
4870 * Implementes \a conversionType 0 for meshes with meshDim = 1, of MEDCouplingUMesh::convertLinearCellsToQuadratic method.
4871 * \return a newly created DataArrayInt instance that the caller should deal with containing cell ids of converted cells.
4872 * \sa MEDCouplingUMesh::convertLinearCellsToQuadratic.
4874 DataArrayInt *MEDCouplingUMesh::convertLinearCellsToQuadratic1D0(DataArrayInt *&conn, DataArrayInt *&connI, DataArrayDouble *& coords, std::set<INTERP_KERNEL::NormalizedCellType>& types) const
4876 MEDCouplingAutoRefCountObjectPtr<DataArrayDouble> bary=getBarycenterAndOwner();
4877 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> newConn=DataArrayInt::New(); newConn->alloc(0,1);
4878 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> newConnI=DataArrayInt::New(); newConnI->alloc(1,1); newConnI->setIJ(0,0,0);
4879 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> ret=DataArrayInt::New(); ret->alloc(0,1);
4880 int nbOfCells=getNumberOfCells();
4881 int nbOfNodes=getNumberOfNodes();
4882 const int *cPtr=_nodal_connec->getConstPointer();
4883 const int *icPtr=_nodal_connec_index->getConstPointer();
4884 int lastVal=0,offset=nbOfNodes;
4885 for(int i=0;i<nbOfCells;i++,icPtr++)
4887 INTERP_KERNEL::NormalizedCellType type=(INTERP_KERNEL::NormalizedCellType)cPtr[*icPtr];
4888 if(type==INTERP_KERNEL::NORM_SEG2)
4890 types.insert(INTERP_KERNEL::NORM_SEG3);
4891 newConn->pushBackSilent((int)INTERP_KERNEL::NORM_SEG3);
4892 newConn->pushBackValsSilent(cPtr+icPtr[0]+1,cPtr+icPtr[0]+3);
4893 newConn->pushBackSilent(offset++);
4895 newConnI->pushBackSilent(lastVal);
4896 ret->pushBackSilent(i);
4901 lastVal+=(icPtr[1]-icPtr[0]);
4902 newConnI->pushBackSilent(lastVal);
4903 newConn->pushBackValsSilent(cPtr+icPtr[0],cPtr+icPtr[1]);
4906 MEDCouplingAutoRefCountObjectPtr<DataArrayDouble> tmp=bary->selectByTupleIdSafe(ret->begin(),ret->end());
4907 coords=DataArrayDouble::Aggregate(getCoords(),tmp); conn=newConn.retn(); connI=newConnI.retn();
4911 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
4913 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> newConn=DataArrayInt::New(); newConn->alloc(0,1);
4914 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> newConnI=DataArrayInt::New(); newConnI->alloc(1,1); newConnI->setIJ(0,0,0);
4915 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> ret=DataArrayInt::New(); ret->alloc(0,1);
4917 const int *descPtr(desc->begin()),*descIPtr(descI->begin());
4918 DataArrayInt *conn1D=0,*conn1DI=0;
4919 std::set<INTERP_KERNEL::NormalizedCellType> types1D;
4920 DataArrayDouble *coordsTmp=0;
4921 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> ret1D=m1D->convertLinearCellsToQuadratic1D0(conn1D,conn1DI,coordsTmp,types1D); ret1D=0;
4922 MEDCouplingAutoRefCountObjectPtr<DataArrayDouble> coordsTmpSafe(coordsTmp);
4923 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> conn1DSafe(conn1D),conn1DISafe(conn1DI);
4924 const int *c1DPtr=conn1D->begin();
4925 const int *c1DIPtr=conn1DI->begin();
4926 int nbOfCells=getNumberOfCells();
4927 const int *cPtr=_nodal_connec->getConstPointer();
4928 const int *icPtr=_nodal_connec_index->getConstPointer();
4930 for(int i=0;i<nbOfCells;i++,icPtr++,descIPtr++)
4932 INTERP_KERNEL::NormalizedCellType typ=(INTERP_KERNEL::NormalizedCellType)cPtr[*icPtr];
4933 const INTERP_KERNEL::CellModel& cm=INTERP_KERNEL::CellModel::GetCellModel(typ);
4934 if(!cm.isQuadratic())
4936 INTERP_KERNEL::NormalizedCellType typ2=cm.getQuadraticType();
4937 types.insert(typ2); newConn->pushBackSilent(typ2);
4938 newConn->pushBackValsSilent(cPtr+icPtr[0]+1,cPtr+icPtr[1]);
4939 for(const int *d=descPtr+descIPtr[0];d!=descPtr+descIPtr[1];d++)
4940 newConn->pushBackSilent(c1DPtr[c1DIPtr[*d]+3]);
4941 lastVal+=(icPtr[1]-icPtr[0])+(descIPtr[1]-descIPtr[0]);
4942 newConnI->pushBackSilent(lastVal);
4943 ret->pushBackSilent(i);
4948 lastVal+=(icPtr[1]-icPtr[0]);
4949 newConnI->pushBackSilent(lastVal);
4950 newConn->pushBackValsSilent(cPtr+icPtr[0],cPtr+icPtr[1]);
4953 conn=newConn.retn(); connI=newConnI.retn(); coords=coordsTmpSafe.retn();
4958 * Implementes \a conversionType 0 for meshes with meshDim = 2, of MEDCouplingUMesh::convertLinearCellsToQuadratic method.
4959 * \return a newly created DataArrayInt instance that the caller should deal with containing cell ids of converted cells.
4960 * \sa MEDCouplingUMesh::convertLinearCellsToQuadratic.
4962 DataArrayInt *MEDCouplingUMesh::convertLinearCellsToQuadratic2D0(DataArrayInt *&conn, DataArrayInt *&connI, DataArrayDouble *& coords, std::set<INTERP_KERNEL::NormalizedCellType>& types) const
4965 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> desc(DataArrayInt::New()),descI(DataArrayInt::New()),tmp2(DataArrayInt::New()),tmp3(DataArrayInt::New());
4966 MEDCouplingAutoRefCountObjectPtr<MEDCouplingUMesh> m1D=buildDescendingConnectivity(desc,descI,tmp2,tmp3); tmp2=0; tmp3=0;
4967 return convertLinearCellsToQuadratic2DAnd3D0(m1D,desc,descI,conn,connI,coords,types);
4970 DataArrayInt *MEDCouplingUMesh::convertLinearCellsToQuadratic2D1(DataArrayInt *&conn, DataArrayInt *&connI, DataArrayDouble *& coords, std::set<INTERP_KERNEL::NormalizedCellType>& types) const
4972 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> desc(DataArrayInt::New()),descI(DataArrayInt::New()),tmp2(DataArrayInt::New()),tmp3(DataArrayInt::New());
4973 MEDCouplingAutoRefCountObjectPtr<MEDCouplingUMesh> m1D=buildDescendingConnectivity(desc,descI,tmp2,tmp3); tmp2=0; tmp3=0;
4975 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> newConn=DataArrayInt::New(); newConn->alloc(0,1);
4976 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> newConnI=DataArrayInt::New(); newConnI->alloc(1,1); newConnI->setIJ(0,0,0);
4977 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> ret=DataArrayInt::New(); ret->alloc(0,1);
4979 MEDCouplingAutoRefCountObjectPtr<DataArrayDouble> bary=getBarycenterAndOwner();
4980 const int *descPtr(desc->begin()),*descIPtr(descI->begin());
4981 DataArrayInt *conn1D=0,*conn1DI=0;
4982 std::set<INTERP_KERNEL::NormalizedCellType> types1D;
4983 DataArrayDouble *coordsTmp=0;
4984 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> ret1D=m1D->convertLinearCellsToQuadratic1D0(conn1D,conn1DI,coordsTmp,types1D); ret1D=0;
4985 MEDCouplingAutoRefCountObjectPtr<DataArrayDouble> coordsTmpSafe(coordsTmp);
4986 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> conn1DSafe(conn1D),conn1DISafe(conn1DI);
4987 const int *c1DPtr=conn1D->begin();
4988 const int *c1DIPtr=conn1DI->begin();
4989 int nbOfCells=getNumberOfCells();
4990 const int *cPtr=_nodal_connec->getConstPointer();
4991 const int *icPtr=_nodal_connec_index->getConstPointer();
4992 int lastVal=0,offset=coordsTmpSafe->getNumberOfTuples();
4993 for(int i=0;i<nbOfCells;i++,icPtr++,descIPtr++)
4995 INTERP_KERNEL::NormalizedCellType typ=(INTERP_KERNEL::NormalizedCellType)cPtr[*icPtr];
4996 const INTERP_KERNEL::CellModel& cm=INTERP_KERNEL::CellModel::GetCellModel(typ);
4997 if(!cm.isQuadratic())
4999 INTERP_KERNEL::NormalizedCellType typ2=cm.getQuadraticType2();
5000 types.insert(typ2); newConn->pushBackSilent(typ2);
5001 newConn->pushBackValsSilent(cPtr+icPtr[0]+1,cPtr+icPtr[1]);
5002 for(const int *d=descPtr+descIPtr[0];d!=descPtr+descIPtr[1];d++)
5003 newConn->pushBackSilent(c1DPtr[c1DIPtr[*d]+3]);
5004 newConn->pushBackSilent(offset+ret->getNumberOfTuples());
5005 lastVal+=(icPtr[1]-icPtr[0])+(descIPtr[1]-descIPtr[0])+1;
5006 newConnI->pushBackSilent(lastVal);
5007 ret->pushBackSilent(i);
5012 lastVal+=(icPtr[1]-icPtr[0]);
5013 newConnI->pushBackSilent(lastVal);
5014 newConn->pushBackValsSilent(cPtr+icPtr[0],cPtr+icPtr[1]);
5017 MEDCouplingAutoRefCountObjectPtr<DataArrayDouble> tmp=bary->selectByTupleIdSafe(ret->begin(),ret->end());
5018 coords=DataArrayDouble::Aggregate(coordsTmpSafe,tmp); conn=newConn.retn(); connI=newConnI.retn();
5023 * Implementes \a conversionType 0 for meshes with meshDim = 3, of MEDCouplingUMesh::convertLinearCellsToQuadratic method.
5024 * \return a newly created DataArrayInt instance that the caller should deal with containing cell ids of converted cells.
5025 * \sa MEDCouplingUMesh::convertLinearCellsToQuadratic.
5027 DataArrayInt *MEDCouplingUMesh::convertLinearCellsToQuadratic3D0(DataArrayInt *&conn, DataArrayInt *&connI, DataArrayDouble *& coords, std::set<INTERP_KERNEL::NormalizedCellType>& types) const
5029 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> desc(DataArrayInt::New()),descI(DataArrayInt::New()),tmp2(DataArrayInt::New()),tmp3(DataArrayInt::New());
5030 MEDCouplingAutoRefCountObjectPtr<MEDCouplingUMesh> m1D=explode3DMeshTo1D(desc,descI,tmp2,tmp3); tmp2=0; tmp3=0;
5031 return convertLinearCellsToQuadratic2DAnd3D0(m1D,desc,descI,conn,connI,coords,types);
5034 DataArrayInt *MEDCouplingUMesh::convertLinearCellsToQuadratic3D1(DataArrayInt *&conn, DataArrayInt *&connI, DataArrayDouble *& coords, std::set<INTERP_KERNEL::NormalizedCellType>& types) const
5036 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> desc2(DataArrayInt::New()),desc2I(DataArrayInt::New()),tmp2(DataArrayInt::New()),tmp3(DataArrayInt::New());
5037 MEDCouplingAutoRefCountObjectPtr<MEDCouplingUMesh> m2D=buildDescendingConnectivityGen<MinusOneSonsGeneratorBiQuadratic>(desc2,desc2I,tmp2,tmp3,MEDCouplingFastNbrer); tmp2=0; tmp3=0;
5038 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> desc1(DataArrayInt::New()),desc1I(DataArrayInt::New()),tmp4(DataArrayInt::New()),tmp5(DataArrayInt::New());
5039 MEDCouplingAutoRefCountObjectPtr<MEDCouplingUMesh> m1D=explode3DMeshTo1D(desc1,desc1I,tmp4,tmp5); tmp4=0; tmp5=0;
5041 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> newConn=DataArrayInt::New(); newConn->alloc(0,1);
5042 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> newConnI=DataArrayInt::New(); newConnI->alloc(1,1); newConnI->setIJ(0,0,0);
5043 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> ret=DataArrayInt::New(),ret2=DataArrayInt::New(); ret->alloc(0,1); ret2->alloc(0,1);
5045 MEDCouplingAutoRefCountObjectPtr<DataArrayDouble> bary=getBarycenterAndOwner();
5046 const int *descPtr(desc1->begin()),*descIPtr(desc1I->begin()),*desc2Ptr(desc2->begin()),*desc2IPtr(desc2I->begin());
5047 DataArrayInt *conn1D=0,*conn1DI=0,*conn2D=0,*conn2DI=0;
5048 std::set<INTERP_KERNEL::NormalizedCellType> types1D,types2D;
5049 DataArrayDouble *coordsTmp=0,*coordsTmp2=0;
5050 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> ret1D=m1D->convertLinearCellsToQuadratic1D0(conn1D,conn1DI,coordsTmp,types1D); ret1D=DataArrayInt::New(); ret1D->alloc(0,1);
5051 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> conn1DSafe(conn1D),conn1DISafe(conn1DI);
5052 MEDCouplingAutoRefCountObjectPtr<DataArrayDouble> coordsTmpSafe(coordsTmp);
5053 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> ret2D=m2D->convertLinearCellsToQuadratic2D1(conn2D,conn2DI,coordsTmp2,types2D); ret2D=DataArrayInt::New(); ret2D->alloc(0,1);
5054 MEDCouplingAutoRefCountObjectPtr<DataArrayDouble> coordsTmp2Safe(coordsTmp2);
5055 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> conn2DSafe(conn2D),conn2DISafe(conn2DI);
5056 const int *c1DPtr=conn1D->begin(),*c1DIPtr=conn1DI->begin(),*c2DPtr=conn2D->begin(),*c2DIPtr=conn2DI->begin();
5057 int nbOfCells=getNumberOfCells();
5058 const int *cPtr=_nodal_connec->getConstPointer();
5059 const int *icPtr=_nodal_connec_index->getConstPointer();
5060 int lastVal=0,offset=coordsTmpSafe->getNumberOfTuples();
5061 for(int i=0;i<nbOfCells;i++,icPtr++,descIPtr++,desc2IPtr++)
5063 INTERP_KERNEL::NormalizedCellType typ=(INTERP_KERNEL::NormalizedCellType)cPtr[*icPtr];
5064 const INTERP_KERNEL::CellModel& cm=INTERP_KERNEL::CellModel::GetCellModel(typ);
5065 if(!cm.isQuadratic())
5067 INTERP_KERNEL::NormalizedCellType typ2=cm.getQuadraticType2();
5068 if(typ2==INTERP_KERNEL::NORM_ERROR)
5070 std::ostringstream oss; oss << "MEDCouplingUMesh::convertLinearCellsToQuadratic3D1 : On cell #" << i << " the linear cell type does not support advanced quadratization !";
5071 throw INTERP_KERNEL::Exception(oss.str().c_str());
5073 types.insert(typ2); newConn->pushBackSilent(typ2);
5074 newConn->pushBackValsSilent(cPtr+icPtr[0]+1,cPtr+icPtr[1]);
5075 for(const int *d=descPtr+descIPtr[0];d!=descPtr+descIPtr[1];d++)
5076 newConn->pushBackSilent(c1DPtr[c1DIPtr[*d]+3]);
5077 for(const int *d=desc2Ptr+desc2IPtr[0];d!=desc2Ptr+desc2IPtr[1];d++)
5079 int nodeId2=c2DPtr[c2DIPtr[(*d)+1]-1];
5080 int tmpPos=newConn->getNumberOfTuples();
5081 newConn->pushBackSilent(nodeId2);
5082 ret2D->pushBackSilent(nodeId2); ret1D->pushBackSilent(tmpPos);
5084 newConn->pushBackSilent(offset+ret->getNumberOfTuples());
5085 lastVal+=(icPtr[1]-icPtr[0])+(descIPtr[1]-descIPtr[0])+(desc2IPtr[1]-desc2IPtr[0])+1;
5086 newConnI->pushBackSilent(lastVal);
5087 ret->pushBackSilent(i);
5092 lastVal+=(icPtr[1]-icPtr[0]);
5093 newConnI->pushBackSilent(lastVal);
5094 newConn->pushBackValsSilent(cPtr+icPtr[0],cPtr+icPtr[1]);
5097 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> diffRet2D=ret2D->getDifferentValues();
5098 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> o2nRet2D=diffRet2D->invertArrayN2O2O2N(coordsTmp2Safe->getNumberOfTuples());
5099 coordsTmp2Safe=coordsTmp2Safe->selectByTupleId(diffRet2D->begin(),diffRet2D->end());
5100 MEDCouplingAutoRefCountObjectPtr<DataArrayDouble> tmp=bary->selectByTupleIdSafe(ret->begin(),ret->end());
5101 std::vector<const DataArrayDouble *> v(3); v[0]=coordsTmpSafe; v[1]=coordsTmp2Safe; v[2]=tmp;
5102 int *c=newConn->getPointer();
5103 const int *cI(newConnI->begin());
5104 for(const int *elt=ret1D->begin();elt!=ret1D->end();elt++)
5105 c[*elt]=o2nRet2D->getIJ(c[*elt],0)+offset;
5106 offset=coordsTmp2Safe->getNumberOfTuples();
5107 for(const int *elt=ret->begin();elt!=ret->end();elt++)
5108 c[cI[(*elt)+1]-1]+=offset;
5109 coords=DataArrayDouble::Aggregate(v); conn=newConn.retn(); connI=newConnI.retn();
5114 * Tessellates \a this 2D mesh by dividing not straight edges of quadratic faces,
5115 * so that the number of cells remains the same. Quadratic faces are converted to
5116 * polygons. This method works only for 2D meshes in
5117 * 2D space. If no cells are quadratic (INTERP_KERNEL::NORM_QUAD8,
5118 * INTERP_KERNEL::NORM_TRI6, INTERP_KERNEL::NORM_QPOLYG ), \a this mesh remains unchanged.
5119 * \warning This method can lead to a huge amount of nodes if \a eps is very low.
5120 * \param [in] eps - specifies the maximal angle (in radians) between 2 sub-edges of
5121 * a polylinized edge constituting the input polygon.
5122 * \throw If the coordinates array is not set.
5123 * \throw If the nodal connectivity of cells is not defined.
5124 * \throw If \a this->getMeshDimension() != 2.
5125 * \throw If \a this->getSpaceDimension() != 2.
5127 void MEDCouplingUMesh::tessellate2D(double eps)
5129 checkFullyDefined();
5130 if(getMeshDimension()!=2 || getSpaceDimension()!=2)
5131 throw INTERP_KERNEL::Exception("MEDCouplingUMesh::tessellate2D works on umeshes with meshdim equal to 2 and spaceDim equal to 2 too!");
5132 double epsa=fabs(eps);
5133 if(epsa<std::numeric_limits<double>::min())
5134 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 !");
5135 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> desc1=DataArrayInt::New();
5136 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> descIndx1=DataArrayInt::New();
5137 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> revDesc1=DataArrayInt::New();
5138 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> revDescIndx1=DataArrayInt::New();
5139 MEDCouplingAutoRefCountObjectPtr<MEDCouplingUMesh> mDesc=buildDescendingConnectivity2(desc1,descIndx1,revDesc1,revDescIndx1);
5140 revDesc1=0; revDescIndx1=0;
5141 mDesc->tessellate2DCurve(eps);
5142 subDivide2DMesh(mDesc->_nodal_connec->getConstPointer(),mDesc->_nodal_connec_index->getConstPointer(),desc1->getConstPointer(),descIndx1->getConstPointer());
5143 setCoords(mDesc->getCoords());
5147 * Tessellates \a this 1D mesh in 2D space by dividing not straight quadratic edges.
5148 * \warning This method can lead to a huge amount of nodes if \a eps is very low.
5149 * \param [in] eps - specifies the maximal angle (in radian) between 2 sub-edges of
5150 * a sub-divided edge.
5151 * \throw If the coordinates array is not set.
5152 * \throw If the nodal connectivity of cells is not defined.
5153 * \throw If \a this->getMeshDimension() != 1.
5154 * \throw If \a this->getSpaceDimension() != 2.
5156 void MEDCouplingUMesh::tessellate2DCurve(double eps)
5158 checkFullyDefined();
5159 if(getMeshDimension()!=1 || getSpaceDimension()!=2)
5160 throw INTERP_KERNEL::Exception("MEDCouplingUMesh::tessellate2DCurve works on umeshes with meshdim equal to 1 and spaceDim equal to 2 too!");
5161 double epsa=fabs(eps);
5162 if(epsa<std::numeric_limits<double>::min())
5163 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 !");
5164 INTERP_KERNEL::QUADRATIC_PLANAR::_arc_detection_precision=1.e-10;
5165 int nbCells=getNumberOfCells();
5166 int nbNodes=getNumberOfNodes();
5167 const int *conn=_nodal_connec->getConstPointer();
5168 const int *connI=_nodal_connec_index->getConstPointer();
5169 const double *coords=_coords->getConstPointer();
5170 std::vector<double> addCoo;
5171 std::vector<int> newConn;//no direct DataArrayInt because interface with Geometric2D
5172 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> newConnI(DataArrayInt::New());
5173 newConnI->alloc(nbCells+1,1);
5174 int *newConnIPtr=newConnI->getPointer();
5177 INTERP_KERNEL::Node *tmp2[3];
5178 std::set<INTERP_KERNEL::NormalizedCellType> types;
5179 for(int i=0;i<nbCells;i++,newConnIPtr++)
5181 const INTERP_KERNEL::CellModel& cm=INTERP_KERNEL::CellModel::GetCellModel((INTERP_KERNEL::NormalizedCellType)conn[connI[i]]);
5182 if(cm.isQuadratic())
5183 {//assert(connI[i+1]-connI[i]-1==3)
5184 tmp1[0]=conn[connI[i]+1+0]; tmp1[1]=conn[connI[i]+1+1]; tmp1[2]=conn[connI[i]+1+2];
5185 tmp2[0]=new INTERP_KERNEL::Node(coords[2*tmp1[0]],coords[2*tmp1[0]+1]);
5186 tmp2[1]=new INTERP_KERNEL::Node(coords[2*tmp1[1]],coords[2*tmp1[1]+1]);
5187 tmp2[2]=new INTERP_KERNEL::Node(coords[2*tmp1[2]],coords[2*tmp1[2]+1]);
5188 INTERP_KERNEL::EdgeArcCircle *eac=INTERP_KERNEL::EdgeArcCircle::BuildFromNodes(tmp2[0],tmp2[2],tmp2[1]);
5191 eac->tesselate(tmp1,nbNodes,epsa,newConn,addCoo);
5192 types.insert((INTERP_KERNEL::NormalizedCellType)newConn[newConnIPtr[0]]);
5194 newConnIPtr[1]=(int)newConn.size();
5198 types.insert(INTERP_KERNEL::NORM_SEG2);
5199 newConn.push_back(INTERP_KERNEL::NORM_SEG2);
5200 newConn.insert(newConn.end(),conn+connI[i]+1,conn+connI[i]+3);
5201 newConnIPtr[1]=newConnIPtr[0]+3;
5206 types.insert((INTERP_KERNEL::NormalizedCellType)conn[connI[i]]);
5207 newConn.insert(newConn.end(),conn+connI[i],conn+connI[i+1]);
5208 newConnIPtr[1]=newConnIPtr[0]+3;
5211 if(addCoo.empty() && ((int)newConn.size())==_nodal_connec->getNumberOfTuples())//nothing happens during tessellation : no update needed
5214 DataArrayInt::SetArrayIn(newConnI,_nodal_connec_index);
5215 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> newConnArr=DataArrayInt::New();
5216 newConnArr->alloc((int)newConn.size(),1);
5217 std::copy(newConn.begin(),newConn.end(),newConnArr->getPointer());
5218 DataArrayInt::SetArrayIn(newConnArr,_nodal_connec);
5219 MEDCouplingAutoRefCountObjectPtr<DataArrayDouble> newCoords=DataArrayDouble::New();
5220 newCoords->alloc(nbNodes+((int)addCoo.size())/2,2);
5221 double *work=std::copy(_coords->begin(),_coords->end(),newCoords->getPointer());
5222 std::copy(addCoo.begin(),addCoo.end(),work);
5223 DataArrayDouble::SetArrayIn(newCoords,_coords);
5228 * Divides every cell of \a this mesh into simplices (triangles in 2D and tetrahedra in 3D).
5229 * In addition, returns an array mapping new cells to old ones. <br>
5230 * This method typically increases the number of cells in \a this mesh
5231 * but the number of nodes remains \b unchanged.
5232 * That's why the 3D splitting policies
5233 * INTERP_KERNEL::GENERAL_24 and INTERP_KERNEL::GENERAL_48 are not available here.
5234 * \param [in] policy - specifies a pattern used for splitting.
5235 * The semantic of \a policy is:
5236 * - 0 - to split QUAD4 by cutting it along 0-2 diagonal (for 2D mesh only).
5237 * - 1 - to split QUAD4 by cutting it along 1-3 diagonal (for 2D mesh only).
5238 * - INTERP_KERNEL::PLANAR_FACE_5 - to split HEXA8 into 5 TETRA4 (for 3D mesh only).
5239 * - INTERP_KERNEL::PLANAR_FACE_6 - to split HEXA8 into 6 TETRA4 (for 3D mesh only).
5240 * \return DataArrayInt * - a new instance of DataArrayInt holding, for each new cell,
5241 * an id of old cell producing it. The caller is to delete this array using
5242 * decrRef() as it is no more needed.
5243 * \throw If \a policy is 0 or 1 and \a this->getMeshDimension() != 2.
5244 * \throw If \a policy is INTERP_KERNEL::PLANAR_FACE_5 or INTERP_KERNEL::PLANAR_FACE_6
5245 * and \a this->getMeshDimension() != 3.
5246 * \throw If \a policy is not one of the four discussed above.
5247 * \throw If the nodal connectivity of cells is not defined.
5248 * \sa MEDCouplingUMesh::tetrahedrize, MEDCoupling1SGTUMesh::sortHexa8EachOther
5250 DataArrayInt *MEDCouplingUMesh::simplexize(int policy)
5255 return simplexizePol0();
5257 return simplexizePol1();
5258 case (int) INTERP_KERNEL::PLANAR_FACE_5:
5259 return simplexizePlanarFace5();
5260 case (int) INTERP_KERNEL::PLANAR_FACE_6:
5261 return simplexizePlanarFace6();
5263 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)");
5268 * Checks if \a this mesh is constituted by simplex cells only. Simplex cells are:
5269 * - 1D: INTERP_KERNEL::NORM_SEG2
5270 * - 2D: INTERP_KERNEL::NORM_TRI3
5271 * - 3D: INTERP_KERNEL::NORM_TETRA4.
5273 * This method is useful for users that need to use P1 field services as
5274 * MEDCouplingFieldDouble::getValueOn(), MEDCouplingField::buildMeasureField() etc.
5275 * All these methods need mesh support containing only simplex cells.
5276 * \return bool - \c true if there are only simplex cells in \a this mesh.
5277 * \throw If the coordinates array is not set.
5278 * \throw If the nodal connectivity of cells is not defined.
5279 * \throw If \a this->getMeshDimension() < 1.
5281 bool MEDCouplingUMesh::areOnlySimplexCells() const
5283 checkFullyDefined();
5284 int mdim=getMeshDimension();
5285 if(mdim<1 || mdim>3)
5286 throw INTERP_KERNEL::Exception("MEDCouplingUMesh::areOnlySimplexCells : only available with meshes having a meshdim 1, 2 or 3 !");
5287 int nbCells=getNumberOfCells();
5288 const int *conn=_nodal_connec->getConstPointer();
5289 const int *connI=_nodal_connec_index->getConstPointer();
5290 for(int i=0;i<nbCells;i++)
5292 const INTERP_KERNEL::CellModel& cm=INTERP_KERNEL::CellModel::GetCellModel((INTERP_KERNEL::NormalizedCellType)conn[connI[i]]);
5300 * This method implements policy 0 of virtual method ParaMEDMEM::MEDCouplingUMesh::simplexize.
5302 DataArrayInt *MEDCouplingUMesh::simplexizePol0()
5304 checkConnectivityFullyDefined();
5305 if(getMeshDimension()!=2)
5306 throw INTERP_KERNEL::Exception("MEDCouplingUMesh::simplexizePol0 : this policy is only available for mesh with meshdim == 2 !");
5307 int nbOfCells=getNumberOfCells();
5308 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> ret=DataArrayInt::New();
5309 int nbOfCutCells=getNumberOfCellsWithType(INTERP_KERNEL::NORM_QUAD4);
5310 ret->alloc(nbOfCells+nbOfCutCells,1);
5311 if(nbOfCutCells==0) { ret->iota(0); return ret.retn(); }
5312 int *retPt=ret->getPointer();
5313 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> newConn=DataArrayInt::New();
5314 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> newConnI=DataArrayInt::New();
5315 newConnI->alloc(nbOfCells+nbOfCutCells+1,1);
5316 newConn->alloc(getMeshLength()+3*nbOfCutCells,1);
5317 int *pt=newConn->getPointer();
5318 int *ptI=newConnI->getPointer();
5320 const int *oldc=_nodal_connec->getConstPointer();
5321 const int *ci=_nodal_connec_index->getConstPointer();
5322 for(int i=0;i<nbOfCells;i++,ci++)
5324 if((INTERP_KERNEL::NormalizedCellType)oldc[ci[0]]==INTERP_KERNEL::NORM_QUAD4)
5326 const int tmp[8]={(int)INTERP_KERNEL::NORM_TRI3,oldc[ci[0]+1],oldc[ci[0]+2],oldc[ci[0]+3],
5327 (int)INTERP_KERNEL::NORM_TRI3,oldc[ci[0]+1],oldc[ci[0]+3],oldc[ci[0]+4]};
5328 pt=std::copy(tmp,tmp+8,pt);
5337 pt=std::copy(oldc+ci[0],oldc+ci[1],pt);
5338 ptI[1]=ptI[0]+ci[1]-ci[0];
5343 _nodal_connec->decrRef();
5344 _nodal_connec=newConn.retn();
5345 _nodal_connec_index->decrRef();
5346 _nodal_connec_index=newConnI.retn();
5353 * This method implements policy 1 of virtual method ParaMEDMEM::MEDCouplingUMesh::simplexize.
5355 DataArrayInt *MEDCouplingUMesh::simplexizePol1()
5357 checkConnectivityFullyDefined();
5358 if(getMeshDimension()!=2)
5359 throw INTERP_KERNEL::Exception("MEDCouplingUMesh::simplexizePol0 : this policy is only available for mesh with meshdim == 2 !");
5360 int nbOfCells=getNumberOfCells();
5361 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> ret=DataArrayInt::New();
5362 int nbOfCutCells=getNumberOfCellsWithType(INTERP_KERNEL::NORM_QUAD4);
5363 ret->alloc(nbOfCells+nbOfCutCells,1);
5364 if(nbOfCutCells==0) { ret->iota(0); return ret.retn(); }
5365 int *retPt=ret->getPointer();
5366 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> newConn=DataArrayInt::New();
5367 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> newConnI=DataArrayInt::New();
5368 newConnI->alloc(nbOfCells+nbOfCutCells+1,1);
5369 newConn->alloc(getMeshLength()+3*nbOfCutCells,1);
5370 int *pt=newConn->getPointer();
5371 int *ptI=newConnI->getPointer();
5373 const int *oldc=_nodal_connec->getConstPointer();
5374 const int *ci=_nodal_connec_index->getConstPointer();
5375 for(int i=0;i<nbOfCells;i++,ci++)
5377 if((INTERP_KERNEL::NormalizedCellType)oldc[ci[0]]==INTERP_KERNEL::NORM_QUAD4)
5379 const int tmp[8]={(int)INTERP_KERNEL::NORM_TRI3,oldc[ci[0]+1],oldc[ci[0]+2],oldc[ci[0]+4],
5380 (int)INTERP_KERNEL::NORM_TRI3,oldc[ci[0]+2],oldc[ci[0]+3],oldc[ci[0]+4]};
5381 pt=std::copy(tmp,tmp+8,pt);
5390 pt=std::copy(oldc+ci[0],oldc+ci[1],pt);
5391 ptI[1]=ptI[0]+ci[1]-ci[0];
5396 _nodal_connec->decrRef();
5397 _nodal_connec=newConn.retn();
5398 _nodal_connec_index->decrRef();
5399 _nodal_connec_index=newConnI.retn();
5406 * This method implements policy INTERP_KERNEL::PLANAR_FACE_5 of virtual method ParaMEDMEM::MEDCouplingUMesh::simplexize.
5408 DataArrayInt *MEDCouplingUMesh::simplexizePlanarFace5()
5410 checkConnectivityFullyDefined();
5411 if(getMeshDimension()!=3)
5412 throw INTERP_KERNEL::Exception("MEDCouplingUMesh::simplexizePlanarFace5 : this policy is only available for mesh with meshdim == 3 !");
5413 int nbOfCells=getNumberOfCells();
5414 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> ret=DataArrayInt::New();
5415 int nbOfCutCells=getNumberOfCellsWithType(INTERP_KERNEL::NORM_HEXA8);
5416 ret->alloc(nbOfCells+4*nbOfCutCells,1);
5417 if(nbOfCutCells==0) { ret->iota(0); return ret.retn(); }
5418 int *retPt=ret->getPointer();
5419 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> newConn=DataArrayInt::New();
5420 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> newConnI=DataArrayInt::New();
5421 newConnI->alloc(nbOfCells+4*nbOfCutCells+1,1);
5422 newConn->alloc(getMeshLength()+16*nbOfCutCells,1);//21
5423 int *pt=newConn->getPointer();
5424 int *ptI=newConnI->getPointer();
5426 const int *oldc=_nodal_connec->getConstPointer();
5427 const int *ci=_nodal_connec_index->getConstPointer();
5428 for(int i=0;i<nbOfCells;i++,ci++)
5430 if((INTERP_KERNEL::NormalizedCellType)oldc[ci[0]]==INTERP_KERNEL::NORM_HEXA8)
5432 for(int j=0;j<5;j++,pt+=5,ptI++)
5434 pt[0]=(int)INTERP_KERNEL::NORM_TETRA4;
5435 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];
5442 pt=std::copy(oldc+ci[0],oldc+ci[1],pt);
5443 ptI[1]=ptI[0]+ci[1]-ci[0];
5448 _nodal_connec->decrRef();
5449 _nodal_connec=newConn.retn();
5450 _nodal_connec_index->decrRef();
5451 _nodal_connec_index=newConnI.retn();
5458 * This method implements policy INTERP_KERNEL::PLANAR_FACE_6 of virtual method ParaMEDMEM::MEDCouplingUMesh::simplexize.
5460 DataArrayInt *MEDCouplingUMesh::simplexizePlanarFace6()
5462 checkConnectivityFullyDefined();
5463 if(getMeshDimension()!=3)
5464 throw INTERP_KERNEL::Exception("MEDCouplingUMesh::simplexizePlanarFace6 : this policy is only available for mesh with meshdim == 3 !");
5465 int nbOfCells=getNumberOfCells();
5466 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> ret=DataArrayInt::New();
5467 int nbOfCutCells=getNumberOfCellsWithType(INTERP_KERNEL::NORM_HEXA8);
5468 ret->alloc(nbOfCells+5*nbOfCutCells,1);
5469 if(nbOfCutCells==0) { ret->iota(0); return ret.retn(); }
5470 int *retPt=ret->getPointer();
5471 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> newConn=DataArrayInt::New();
5472 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> newConnI=DataArrayInt::New();
5473 newConnI->alloc(nbOfCells+5*nbOfCutCells+1,1);
5474 newConn->alloc(getMeshLength()+21*nbOfCutCells,1);
5475 int *pt=newConn->getPointer();
5476 int *ptI=newConnI->getPointer();
5478 const int *oldc=_nodal_connec->getConstPointer();
5479 const int *ci=_nodal_connec_index->getConstPointer();
5480 for(int i=0;i<nbOfCells;i++,ci++)
5482 if((INTERP_KERNEL::NormalizedCellType)oldc[ci[0]]==INTERP_KERNEL::NORM_HEXA8)
5484 for(int j=0;j<6;j++,pt+=5,ptI++)
5486 pt[0]=(int)INTERP_KERNEL::NORM_TETRA4;
5487 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];
5494 pt=std::copy(oldc+ci[0],oldc+ci[1],pt);
5495 ptI[1]=ptI[0]+ci[1]-ci[0];
5500 _nodal_connec->decrRef();
5501 _nodal_connec=newConn.retn();
5502 _nodal_connec_index->decrRef();
5503 _nodal_connec_index=newConnI.retn();
5510 * 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.
5511 * This method completly ignore coordinates.
5512 * \param nodeSubdived is the nodal connectivity of subdivision of edges
5513 * \param nodeIndxSubdived is the nodal connectivity index of subdivision of edges
5514 * \param desc is descending connectivity in format specified in MEDCouplingUMesh::buildDescendingConnectivity2
5515 * \param descIndex is descending connectivity index in format specified in MEDCouplingUMesh::buildDescendingConnectivity2
5517 void MEDCouplingUMesh::subDivide2DMesh(const int *nodeSubdived, const int *nodeIndxSubdived, const int *desc, const int *descIndex)
5519 checkFullyDefined();
5520 if(getMeshDimension()!=2)
5521 throw INTERP_KERNEL::Exception("MEDCouplingUMesh::subDivide2DMesh : works only on umesh with meshdim==2 !");
5522 int nbOfCells=getNumberOfCells();
5523 int *connI=_nodal_connec_index->getPointer();
5525 for(int i=0;i<nbOfCells;i++,connI++)
5527 int offset=descIndex[i];
5528 int nbOfEdges=descIndex[i+1]-offset;
5530 bool ddirect=desc[offset+nbOfEdges-1]>0;
5531 int eedgeId=std::abs(desc[offset+nbOfEdges-1])-1;
5532 int ref=ddirect?nodeSubdived[nodeIndxSubdived[eedgeId+1]-1]:nodeSubdived[nodeIndxSubdived[eedgeId]+1];
5533 for(int j=0;j<nbOfEdges;j++)
5535 bool direct=desc[offset+j]>0;
5536 int edgeId=std::abs(desc[offset+j])-1;
5537 if(!INTERP_KERNEL::CellModel::GetCellModel((INTERP_KERNEL::NormalizedCellType)nodeSubdived[nodeIndxSubdived[edgeId]]).isQuadratic())
5539 int id1=nodeSubdived[nodeIndxSubdived[edgeId]+1];
5540 int id2=nodeSubdived[nodeIndxSubdived[edgeId+1]-1];
5541 int ref2=direct?id1:id2;
5544 int nbOfSubNodes=nodeIndxSubdived[edgeId+1]-nodeIndxSubdived[edgeId]-1;
5545 newConnLgth+=nbOfSubNodes-1;
5550 std::ostringstream oss; oss << "MEDCouplingUMesh::subDivide2DMesh : On polygon #" << i << " edgeid #" << j << " subedges mismatch : end subedge k!=start subedge k+1 !";
5551 throw INTERP_KERNEL::Exception(oss.str().c_str());
5556 throw INTERP_KERNEL::Exception("MEDCouplingUMesh::subDivide2DMesh : this method only subdivides into linear edges !");
5559 newConnLgth++;//+1 is for cell type
5560 connI[1]=newConnLgth;
5563 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> newConn=DataArrayInt::New();
5564 newConn->alloc(newConnLgth,1);
5565 int *work=newConn->getPointer();
5566 for(int i=0;i<nbOfCells;i++)
5568 *work++=INTERP_KERNEL::NORM_POLYGON;
5569 int offset=descIndex[i];
5570 int nbOfEdges=descIndex[i+1]-offset;
5571 for(int j=0;j<nbOfEdges;j++)
5573 bool direct=desc[offset+j]>0;
5574 int edgeId=std::abs(desc[offset+j])-1;
5576 work=std::copy(nodeSubdived+nodeIndxSubdived[edgeId]+1,nodeSubdived+nodeIndxSubdived[edgeId+1]-1,work);
5579 int nbOfSubNodes=nodeIndxSubdived[edgeId+1]-nodeIndxSubdived[edgeId]-1;
5580 std::reverse_iterator<const int *> it(nodeSubdived+nodeIndxSubdived[edgeId+1]);
5581 work=std::copy(it,it+nbOfSubNodes-1,work);
5585 DataArrayInt::SetArrayIn(newConn,_nodal_connec);
5588 _types.insert(INTERP_KERNEL::NORM_POLYGON);
5592 * Converts degenerated 2D or 3D linear cells of \a this mesh into cells of simpler
5593 * type. For example an INTERP_KERNEL::NORM_QUAD4 cell having only three unique nodes in
5594 * its connectivity is transformed into an INTERP_KERNEL::NORM_TRI3 cell. This method
5595 * does \b not perform geometrical checks and checks only nodal connectivity of cells,
5596 * so it can be useful to call mergeNodes() before calling this method.
5597 * \throw If \a this->getMeshDimension() <= 1.
5598 * \throw If the coordinates array is not set.
5599 * \throw If the nodal connectivity of cells is not defined.
5601 void MEDCouplingUMesh::convertDegeneratedCells()
5603 checkFullyDefined();
5604 if(getMeshDimension()<=1)
5605 throw INTERP_KERNEL::Exception("MEDCouplingUMesh::convertDegeneratedCells works on umeshes with meshdim equals to 2 or 3 !");
5606 int nbOfCells=getNumberOfCells();
5609 int initMeshLgth=getMeshLength();
5610 int *conn=_nodal_connec->getPointer();
5611 int *index=_nodal_connec_index->getPointer();
5615 for(int i=0;i<nbOfCells;i++)
5617 lgthOfCurCell=index[i+1]-posOfCurCell;
5618 INTERP_KERNEL::NormalizedCellType type=(INTERP_KERNEL::NormalizedCellType)conn[posOfCurCell];
5620 INTERP_KERNEL::NormalizedCellType newType=INTERP_KERNEL::CellSimplify::simplifyDegeneratedCell(type,conn+posOfCurCell+1,lgthOfCurCell-1,
5621 conn+newPos+1,newLgth);
5622 conn[newPos]=newType;
5624 posOfCurCell=index[i+1];
5627 if(newPos!=initMeshLgth)
5628 _nodal_connec->reAlloc(newPos);
5633 * Finds incorrectly oriented cells of this 2D mesh in 3D space.
5634 * A cell is considered to be oriented correctly if an angle between its
5635 * normal vector and a given vector is less than \c PI / \c 2.
5636 * \param [in] vec - 3 components of the vector specifying the correct orientation of
5638 * \param [in] polyOnly - if \c true, only polygons are checked, else, all cells are
5640 * \param [in,out] cells - a vector returning ids of incorrectly oriented cells. It
5641 * is not cleared before filling in.
5642 * \throw If \a this->getMeshDimension() != 2.
5643 * \throw If \a this->getSpaceDimension() != 3.
5645 * \ref cpp_mcumesh_are2DCellsNotCorrectlyOriented "Here is a C++ example".<br>
5646 * \ref py_mcumesh_are2DCellsNotCorrectlyOriented "Here is a Python example".
5648 void MEDCouplingUMesh::are2DCellsNotCorrectlyOriented(const double *vec, bool polyOnly, std::vector<int>& cells) const
5650 if(getMeshDimension()!=2 || getSpaceDimension()!=3)
5651 throw INTERP_KERNEL::Exception("Invalid mesh to apply are2DCellsNotCorrectlyOriented on it : must be meshDim==2 and spaceDim==3 !");
5652 int nbOfCells=getNumberOfCells();
5653 const int *conn=_nodal_connec->getConstPointer();
5654 const int *connI=_nodal_connec_index->getConstPointer();
5655 const double *coordsPtr=_coords->getConstPointer();
5656 for(int i=0;i<nbOfCells;i++)
5658 INTERP_KERNEL::NormalizedCellType type=(INTERP_KERNEL::NormalizedCellType)conn[connI[i]];
5659 if(!polyOnly || (type==INTERP_KERNEL::NORM_POLYGON || type==INTERP_KERNEL::NORM_QPOLYG))
5661 bool isQuadratic=INTERP_KERNEL::CellModel::GetCellModel(type).isQuadratic();
5662 if(!IsPolygonWellOriented(isQuadratic,vec,conn+connI[i]+1,conn+connI[i+1],coordsPtr))
5669 * Reverse connectivity of 2D cells whose orientation is not correct. A cell is
5670 * considered to be oriented correctly if an angle between its normal vector and a
5671 * given vector is less than \c PI / \c 2.
5672 * \param [in] vec - 3 components of the vector specifying the correct orientation of
5674 * \param [in] polyOnly - if \c true, only polygons are checked, else, all cells are
5676 * \throw If \a this->getMeshDimension() != 2.
5677 * \throw If \a this->getSpaceDimension() != 3.
5679 * \ref cpp_mcumesh_are2DCellsNotCorrectlyOriented "Here is a C++ example".<br>
5680 * \ref py_mcumesh_are2DCellsNotCorrectlyOriented "Here is a Python example".
5682 void MEDCouplingUMesh::orientCorrectly2DCells(const double *vec, bool polyOnly)
5684 if(getMeshDimension()!=2 || getSpaceDimension()!=3)
5685 throw INTERP_KERNEL::Exception("Invalid mesh to apply orientCorrectly2DCells on it : must be meshDim==2 and spaceDim==3 !");
5686 int nbOfCells=getNumberOfCells();
5687 int *conn=_nodal_connec->getPointer();
5688 const int *connI=_nodal_connec_index->getConstPointer();
5689 const double *coordsPtr=_coords->getConstPointer();
5690 bool isModified=false;
5691 for(int i=0;i<nbOfCells;i++)
5693 INTERP_KERNEL::NormalizedCellType type=(INTERP_KERNEL::NormalizedCellType)conn[connI[i]];
5694 if(!polyOnly || (type==INTERP_KERNEL::NORM_POLYGON || type==INTERP_KERNEL::NORM_QPOLYG))
5696 bool isQuadratic(INTERP_KERNEL::CellModel::GetCellModel(type).isQuadratic());
5697 if(!IsPolygonWellOriented(isQuadratic,vec,conn+connI[i]+1,conn+connI[i+1],coordsPtr))
5702 std::vector<int> tmp(connI[i+1]-connI[i]-2);
5703 std::copy(conn+connI[i]+2,conn+connI[i+1],tmp.rbegin());
5704 std::copy(tmp.begin(),tmp.end(),conn+connI[i]+2);
5708 int sz(((int)(connI[i+1]-connI[i]-1))/2);
5709 std::vector<int> tmp0(sz-1),tmp1(sz);
5710 std::copy(conn+connI[i]+2,conn+connI[i]+1+sz,tmp0.rbegin());
5711 std::copy(conn+connI[i]+1+sz,conn+connI[i+1],tmp1.rbegin());
5712 std::copy(tmp0.begin(),tmp0.end(),conn+connI[i]+2);
5713 std::copy(tmp1.begin(),tmp1.end(),conn+connI[i]+1+sz);
5719 _nodal_connec->declareAsNew();
5724 * Finds incorrectly oriented polyhedral cells, i.e. polyhedrons having correctly
5725 * oriented facets. The normal vector of the facet should point out of the cell.
5726 * \param [in,out] cells - a vector returning ids of incorrectly oriented cells. It
5727 * is not cleared before filling in.
5728 * \throw If \a this->getMeshDimension() != 3.
5729 * \throw If \a this->getSpaceDimension() != 3.
5730 * \throw If the coordinates array is not set.
5731 * \throw If the nodal connectivity of cells is not defined.
5733 * \ref cpp_mcumesh_arePolyhedronsNotCorrectlyOriented "Here is a C++ example".<br>
5734 * \ref py_mcumesh_arePolyhedronsNotCorrectlyOriented "Here is a Python example".
5736 void MEDCouplingUMesh::arePolyhedronsNotCorrectlyOriented(std::vector<int>& cells) const
5738 if(getMeshDimension()!=3 || getSpaceDimension()!=3)
5739 throw INTERP_KERNEL::Exception("Invalid mesh to apply arePolyhedronsNotCorrectlyOriented on it : must be meshDim==3 and spaceDim==3 !");
5740 int nbOfCells=getNumberOfCells();
5741 const int *conn=_nodal_connec->getConstPointer();
5742 const int *connI=_nodal_connec_index->getConstPointer();
5743 const double *coordsPtr=_coords->getConstPointer();
5744 for(int i=0;i<nbOfCells;i++)
5746 INTERP_KERNEL::NormalizedCellType type=(INTERP_KERNEL::NormalizedCellType)conn[connI[i]];
5747 if(type==INTERP_KERNEL::NORM_POLYHED)
5749 if(!IsPolyhedronWellOriented(conn+connI[i]+1,conn+connI[i+1],coordsPtr))
5756 * Tries to fix connectivity of polyhedra, so that normal vector of all facets to point
5758 * \throw If \a this->getMeshDimension() != 3.
5759 * \throw If \a this->getSpaceDimension() != 3.
5760 * \throw If the coordinates array is not set.
5761 * \throw If the nodal connectivity of cells is not defined.
5762 * \throw If the reparation fails.
5764 * \ref cpp_mcumesh_arePolyhedronsNotCorrectlyOriented "Here is a C++ example".<br>
5765 * \ref py_mcumesh_arePolyhedronsNotCorrectlyOriented "Here is a Python example".
5766 * \sa MEDCouplingUMesh::findAndCorrectBadOriented3DCells
5768 void MEDCouplingUMesh::orientCorrectlyPolyhedrons()
5770 if(getMeshDimension()!=3 || getSpaceDimension()!=3)
5771 throw INTERP_KERNEL::Exception("Invalid mesh to apply orientCorrectlyPolyhedrons on it : must be meshDim==3 and spaceDim==3 !");
5772 int nbOfCells=getNumberOfCells();
5773 int *conn=_nodal_connec->getPointer();
5774 const int *connI=_nodal_connec_index->getConstPointer();
5775 const double *coordsPtr=_coords->getConstPointer();
5776 for(int i=0;i<nbOfCells;i++)
5778 INTERP_KERNEL::NormalizedCellType type=(INTERP_KERNEL::NormalizedCellType)conn[connI[i]];
5779 if(type==INTERP_KERNEL::NORM_POLYHED)
5783 if(!IsPolyhedronWellOriented(conn+connI[i]+1,conn+connI[i+1],coordsPtr))
5784 TryToCorrectPolyhedronOrientation(conn+connI[i]+1,conn+connI[i+1],coordsPtr);
5786 catch(INTERP_KERNEL::Exception& e)
5788 std::ostringstream oss; oss << "Something wrong in polyhedron #" << i << " : " << e.what();
5789 throw INTERP_KERNEL::Exception(oss.str().c_str());
5797 * Finds and fixes incorrectly oriented linear extruded volumes (INTERP_KERNEL::NORM_HEXA8,
5798 * INTERP_KERNEL::NORM_PENTA6, INTERP_KERNEL::NORM_HEXGP12 etc) to respect the MED convention
5799 * according to which the first facet of the cell should be oriented to have the normal vector
5800 * pointing out of cell.
5801 * \return DataArrayInt * - a new instance of DataArrayInt holding ids of fixed
5802 * cells. The caller is to delete this array using decrRef() as it is no more
5804 * \throw If \a this->getMeshDimension() != 3.
5805 * \throw If \a this->getSpaceDimension() != 3.
5806 * \throw If the coordinates array is not set.
5807 * \throw If the nodal connectivity of cells is not defined.
5809 * \ref cpp_mcumesh_findAndCorrectBadOriented3DExtrudedCells "Here is a C++ example".<br>
5810 * \ref py_mcumesh_findAndCorrectBadOriented3DExtrudedCells "Here is a Python example".
5811 * \sa MEDCouplingUMesh::findAndCorrectBadOriented3DCells
5813 DataArrayInt *MEDCouplingUMesh::findAndCorrectBadOriented3DExtrudedCells()
5815 const char msg[]="check3DCellsWellOriented detection works only for 3D cells !";
5816 if(getMeshDimension()!=3)
5817 throw INTERP_KERNEL::Exception(msg);
5818 int spaceDim=getSpaceDimension();
5820 throw INTERP_KERNEL::Exception(msg);
5822 int nbOfCells=getNumberOfCells();
5823 int *conn=_nodal_connec->getPointer();
5824 const int *connI=_nodal_connec_index->getConstPointer();
5825 const double *coo=getCoords()->getConstPointer();
5826 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> cells(DataArrayInt::New()); cells->alloc(0,1);
5827 for(int i=0;i<nbOfCells;i++)
5829 const INTERP_KERNEL::CellModel& cm=INTERP_KERNEL::CellModel::GetCellModel((INTERP_KERNEL::NormalizedCellType)conn[connI[i]]);
5830 if(cm.isExtruded() && !cm.isDynamic() && !cm.isQuadratic())
5832 if(!Is3DExtrudedStaticCellWellOriented(conn+connI[i]+1,conn+connI[i+1],coo))
5834 CorrectExtrudedStaticCell(conn+connI[i]+1,conn+connI[i+1]);
5835 cells->pushBackSilent(i);
5839 return cells.retn();
5843 * This method is a faster method to correct orientation of all 3D cells in \a this.
5844 * 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.
5845 * This method makes the hypothesis that \a this a coherent that is to say MEDCouplingUMesh::checkCoherency2 should throw no exception.
5847 * \ret a newly allocated int array with one components containing cell ids renumbered to fit the convention of MED (MED file and MEDCoupling)
5848 * \sa MEDCouplingUMesh::orientCorrectlyPolyhedrons,
5850 DataArrayInt *MEDCouplingUMesh::findAndCorrectBadOriented3DCells()
5852 if(getMeshDimension()!=3 || getSpaceDimension()!=3)
5853 throw INTERP_KERNEL::Exception("Invalid mesh to apply findAndCorrectBadOriented3DCells on it : must be meshDim==3 and spaceDim==3 !");
5854 int nbOfCells=getNumberOfCells();
5855 int *conn=_nodal_connec->getPointer();
5856 const int *connI=_nodal_connec_index->getConstPointer();
5857 const double *coordsPtr=_coords->getConstPointer();
5858 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> ret=DataArrayInt::New(); ret->alloc(0,1);
5859 for(int i=0;i<nbOfCells;i++)
5861 INTERP_KERNEL::NormalizedCellType type=(INTERP_KERNEL::NormalizedCellType)conn[connI[i]];
5864 case INTERP_KERNEL::NORM_TETRA4:
5866 if(!IsTetra4WellOriented(conn+connI[i]+1,conn+connI[i+1],coordsPtr))
5868 std::swap(*(conn+connI[i]+2),*(conn+connI[i]+3));
5869 ret->pushBackSilent(i);
5873 case INTERP_KERNEL::NORM_PYRA5:
5875 if(!IsPyra5WellOriented(conn+connI[i]+1,conn+connI[i+1],coordsPtr))
5877 std::swap(*(conn+connI[i]+2),*(conn+connI[i]+4));
5878 ret->pushBackSilent(i);
5882 case INTERP_KERNEL::NORM_PENTA6:
5883 case INTERP_KERNEL::NORM_HEXA8:
5884 case INTERP_KERNEL::NORM_HEXGP12:
5886 if(!Is3DExtrudedStaticCellWellOriented(conn+connI[i]+1,conn+connI[i+1],coordsPtr))
5888 CorrectExtrudedStaticCell(conn+connI[i]+1,conn+connI[i+1]);
5889 ret->pushBackSilent(i);
5893 case INTERP_KERNEL::NORM_POLYHED:
5895 if(!IsPolyhedronWellOriented(conn+connI[i]+1,conn+connI[i+1],coordsPtr))
5897 TryToCorrectPolyhedronOrientation(conn+connI[i]+1,conn+connI[i+1],coordsPtr);
5898 ret->pushBackSilent(i);
5903 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 !");
5911 * This method has a sense for meshes with spaceDim==3 and meshDim==2.
5912 * If it is not the case an exception will be thrown.
5913 * This method is fast because the first cell of \a this is used to compute the plane.
5914 * \param vec output of size at least 3 used to store the normal vector (with norm equal to Area ) of searched plane.
5915 * \param pos output of size at least 3 used to store a point owned of searched plane.
5917 void MEDCouplingUMesh::getFastAveragePlaneOfThis(double *vec, double *pos) const
5919 if(getMeshDimension()!=2 || getSpaceDimension()!=3)
5920 throw INTERP_KERNEL::Exception("Invalid mesh to apply getFastAveragePlaneOfThis on it : must be meshDim==2 and spaceDim==3 !");
5921 const int *conn=_nodal_connec->getConstPointer();
5922 const int *connI=_nodal_connec_index->getConstPointer();
5923 const double *coordsPtr=_coords->getConstPointer();
5924 INTERP_KERNEL::areaVectorOfPolygon<int,INTERP_KERNEL::ALL_C_MODE>(conn+1,connI[1]-connI[0]-1,coordsPtr,vec);
5925 std::copy(coordsPtr+3*conn[1],coordsPtr+3*conn[1]+3,pos);
5929 * Creates a new MEDCouplingFieldDouble holding Edge Ratio values of all
5930 * cells. Currently cells of the following types are treated:
5931 * INTERP_KERNEL::NORM_TRI3, INTERP_KERNEL::NORM_QUAD4 and INTERP_KERNEL::NORM_TETRA4.
5932 * For a cell of other type an exception is thrown.
5933 * Space dimension of a 2D mesh can be either 2 or 3.
5934 * The Edge Ratio of a cell \f$t\f$ is:
5935 * \f$\frac{|t|_\infty}{|t|_0}\f$,
5936 * where \f$|t|_\infty\f$ and \f$|t|_0\f$ respectively denote the greatest and
5937 * the smallest edge lengths of \f$t\f$.
5938 * \return MEDCouplingFieldDouble * - a new instance of MEDCouplingFieldDouble on
5939 * cells and one time, lying on \a this mesh. The caller is to delete this
5940 * field using decrRef() as it is no more needed.
5941 * \throw If the coordinates array is not set.
5942 * \throw If \a this mesh contains elements of dimension different from the mesh dimension.
5943 * \throw If the connectivity data array has more than one component.
5944 * \throw If the connectivity data array has a named component.
5945 * \throw If the connectivity index data array has more than one component.
5946 * \throw If the connectivity index data array has a named component.
5947 * \throw If \a this->getMeshDimension() is neither 2 nor 3.
5948 * \throw If \a this->getSpaceDimension() is neither 2 nor 3.
5949 * \throw If \a this mesh includes cells of type different from the ones enumerated above.
5951 MEDCouplingFieldDouble *MEDCouplingUMesh::getEdgeRatioField() const
5954 int spaceDim=getSpaceDimension();
5955 int meshDim=getMeshDimension();
5956 if(spaceDim!=2 && spaceDim!=3)
5957 throw INTERP_KERNEL::Exception("MEDCouplingUMesh::getEdgeRatioField : SpaceDimension must be equal to 2 or 3 !");
5958 if(meshDim!=2 && meshDim!=3)
5959 throw INTERP_KERNEL::Exception("MEDCouplingUMesh::getEdgeRatioField : MeshDimension must be equal to 2 or 3 !");
5960 MEDCouplingAutoRefCountObjectPtr<MEDCouplingFieldDouble> ret=MEDCouplingFieldDouble::New(ON_CELLS,ONE_TIME);
5962 int nbOfCells=getNumberOfCells();
5963 MEDCouplingAutoRefCountObjectPtr<DataArrayDouble> arr=DataArrayDouble::New();
5964 arr->alloc(nbOfCells,1);
5965 double *pt=arr->getPointer();
5966 ret->setArray(arr);//In case of throw to avoid mem leaks arr will be used after decrRef.
5967 const int *conn=_nodal_connec->getConstPointer();
5968 const int *connI=_nodal_connec_index->getConstPointer();
5969 const double *coo=_coords->getConstPointer();
5971 for(int i=0;i<nbOfCells;i++,pt++)
5973 INTERP_KERNEL::NormalizedCellType t=(INTERP_KERNEL::NormalizedCellType)*conn;
5976 case INTERP_KERNEL::NORM_TRI3:
5978 FillInCompact3DMode(spaceDim,3,conn+1,coo,tmp);
5979 *pt=INTERP_KERNEL::triEdgeRatio(tmp);
5982 case INTERP_KERNEL::NORM_QUAD4:
5984 FillInCompact3DMode(spaceDim,4,conn+1,coo,tmp);
5985 *pt=INTERP_KERNEL::quadEdgeRatio(tmp);
5988 case INTERP_KERNEL::NORM_TETRA4:
5990 FillInCompact3DMode(spaceDim,4,conn+1,coo,tmp);
5991 *pt=INTERP_KERNEL::tetraEdgeRatio(tmp);
5995 throw INTERP_KERNEL::Exception("MEDCouplingUMesh::getEdgeRatioField : A cell with not manged type (NORM_TRI3, NORM_QUAD4 and NORM_TETRA4) has been detected !");
5997 conn+=connI[i+1]-connI[i];
5999 ret->setName("EdgeRatio");
6000 ret->synchronizeTimeWithSupport();
6005 * Creates a new MEDCouplingFieldDouble holding Aspect Ratio values of all
6006 * cells. Currently cells of the following types are treated:
6007 * INTERP_KERNEL::NORM_TRI3, INTERP_KERNEL::NORM_QUAD4 and INTERP_KERNEL::NORM_TETRA4.
6008 * For a cell of other type an exception is thrown.
6009 * Space dimension of a 2D mesh can be either 2 or 3.
6010 * \return MEDCouplingFieldDouble * - a new instance of MEDCouplingFieldDouble on
6011 * cells and one time, lying on \a this mesh. The caller is to delete this
6012 * field using decrRef() as it is no more needed.
6013 * \throw If the coordinates array is not set.
6014 * \throw If \a this mesh contains elements of dimension different from the mesh dimension.
6015 * \throw If the connectivity data array has more than one component.
6016 * \throw If the connectivity data array has a named component.
6017 * \throw If the connectivity index data array has more than one component.
6018 * \throw If the connectivity index data array has a named component.
6019 * \throw If \a this->getMeshDimension() is neither 2 nor 3.
6020 * \throw If \a this->getSpaceDimension() is neither 2 nor 3.
6021 * \throw If \a this mesh includes cells of type different from the ones enumerated above.
6023 MEDCouplingFieldDouble *MEDCouplingUMesh::getAspectRatioField() const
6026 int spaceDim=getSpaceDimension();
6027 int meshDim=getMeshDimension();
6028 if(spaceDim!=2 && spaceDim!=3)
6029 throw INTERP_KERNEL::Exception("MEDCouplingUMesh::getAspectRatioField : SpaceDimension must be equal to 2 or 3 !");
6030 if(meshDim!=2 && meshDim!=3)
6031 throw INTERP_KERNEL::Exception("MEDCouplingUMesh::getAspectRatioField : MeshDimension must be equal to 2 or 3 !");
6032 MEDCouplingAutoRefCountObjectPtr<MEDCouplingFieldDouble> ret=MEDCouplingFieldDouble::New(ON_CELLS,ONE_TIME);
6034 int nbOfCells=getNumberOfCells();
6035 MEDCouplingAutoRefCountObjectPtr<DataArrayDouble> arr=DataArrayDouble::New();
6036 arr->alloc(nbOfCells,1);
6037 double *pt=arr->getPointer();
6038 ret->setArray(arr);//In case of throw to avoid mem leaks arr will be used after decrRef.
6039 const int *conn=_nodal_connec->getConstPointer();
6040 const int *connI=_nodal_connec_index->getConstPointer();
6041 const double *coo=_coords->getConstPointer();
6043 for(int i=0;i<nbOfCells;i++,pt++)
6045 INTERP_KERNEL::NormalizedCellType t=(INTERP_KERNEL::NormalizedCellType)*conn;
6048 case INTERP_KERNEL::NORM_TRI3:
6050 FillInCompact3DMode(spaceDim,3,conn+1,coo,tmp);
6051 *pt=INTERP_KERNEL::triAspectRatio(tmp);
6054 case INTERP_KERNEL::NORM_QUAD4:
6056 FillInCompact3DMode(spaceDim,4,conn+1,coo,tmp);
6057 *pt=INTERP_KERNEL::quadAspectRatio(tmp);
6060 case INTERP_KERNEL::NORM_TETRA4:
6062 FillInCompact3DMode(spaceDim,4,conn+1,coo,tmp);
6063 *pt=INTERP_KERNEL::tetraAspectRatio(tmp);
6067 throw INTERP_KERNEL::Exception("MEDCouplingUMesh::getAspectRatioField : A cell with not manged type (NORM_TRI3, NORM_QUAD4 and NORM_TETRA4) has been detected !");
6069 conn+=connI[i+1]-connI[i];
6071 ret->setName("AspectRatio");
6072 ret->synchronizeTimeWithSupport();
6077 * Creates a new MEDCouplingFieldDouble holding Warping factor values of all
6078 * cells of \a this 2D mesh in 3D space. Currently cells of the following types are
6079 * treated: INTERP_KERNEL::NORM_QUAD4.
6080 * For a cell of other type an exception is thrown.
6081 * \return MEDCouplingFieldDouble * - a new instance of MEDCouplingFieldDouble on
6082 * cells and one time, lying on \a this mesh. The caller is to delete this
6083 * field using decrRef() as it is no more needed.
6084 * \throw If the coordinates array is not set.
6085 * \throw If \a this mesh contains elements of dimension different from the mesh dimension.
6086 * \throw If the connectivity data array has more than one component.
6087 * \throw If the connectivity data array has a named component.
6088 * \throw If the connectivity index data array has more than one component.
6089 * \throw If the connectivity index data array has a named component.
6090 * \throw If \a this->getMeshDimension() != 2.
6091 * \throw If \a this->getSpaceDimension() != 3.
6092 * \throw If \a this mesh includes cells of type different from the ones enumerated above.
6094 MEDCouplingFieldDouble *MEDCouplingUMesh::getWarpField() const
6097 int spaceDim=getSpaceDimension();
6098 int meshDim=getMeshDimension();
6100 throw INTERP_KERNEL::Exception("MEDCouplingUMesh::getWarpField : SpaceDimension must be equal to 3 !");
6102 throw INTERP_KERNEL::Exception("MEDCouplingUMesh::getWarpField : MeshDimension must be equal to 2 !");
6103 MEDCouplingAutoRefCountObjectPtr<MEDCouplingFieldDouble> ret=MEDCouplingFieldDouble::New(ON_CELLS,ONE_TIME);
6105 int nbOfCells=getNumberOfCells();
6106 MEDCouplingAutoRefCountObjectPtr<DataArrayDouble> arr=DataArrayDouble::New();
6107 arr->alloc(nbOfCells,1);
6108 double *pt=arr->getPointer();
6109 ret->setArray(arr);//In case of throw to avoid mem leaks arr will be used after decrRef.
6110 const int *conn=_nodal_connec->getConstPointer();
6111 const int *connI=_nodal_connec_index->getConstPointer();
6112 const double *coo=_coords->getConstPointer();
6114 for(int i=0;i<nbOfCells;i++,pt++)
6116 INTERP_KERNEL::NormalizedCellType t=(INTERP_KERNEL::NormalizedCellType)*conn;
6119 case INTERP_KERNEL::NORM_QUAD4:
6121 FillInCompact3DMode(3,4,conn+1,coo,tmp);
6122 *pt=INTERP_KERNEL::quadWarp(tmp);
6126 throw INTERP_KERNEL::Exception("MEDCouplingUMesh::getWarpField : A cell with not manged type (NORM_QUAD4) has been detected !");
6128 conn+=connI[i+1]-connI[i];
6130 ret->setName("Warp");
6131 ret->synchronizeTimeWithSupport();
6137 * Creates a new MEDCouplingFieldDouble holding Skew factor values of all
6138 * cells of \a this 2D mesh in 3D space. Currently cells of the following types are
6139 * treated: INTERP_KERNEL::NORM_QUAD4.
6140 * For a cell of other type an exception is thrown.
6141 * \return MEDCouplingFieldDouble * - a new instance of MEDCouplingFieldDouble on
6142 * cells and one time, lying on \a this mesh. The caller is to delete this
6143 * field using decrRef() as it is no more needed.
6144 * \throw If the coordinates array is not set.
6145 * \throw If \a this mesh contains elements of dimension different from the mesh dimension.
6146 * \throw If the connectivity data array has more than one component.
6147 * \throw If the connectivity data array has a named component.
6148 * \throw If the connectivity index data array has more than one component.
6149 * \throw If the connectivity index data array has a named component.
6150 * \throw If \a this->getMeshDimension() != 2.
6151 * \throw If \a this->getSpaceDimension() != 3.
6152 * \throw If \a this mesh includes cells of type different from the ones enumerated above.
6154 MEDCouplingFieldDouble *MEDCouplingUMesh::getSkewField() const
6157 int spaceDim=getSpaceDimension();
6158 int meshDim=getMeshDimension();
6160 throw INTERP_KERNEL::Exception("MEDCouplingUMesh::getSkewField : SpaceDimension must be equal to 3 !");
6162 throw INTERP_KERNEL::Exception("MEDCouplingUMesh::getSkewField : MeshDimension must be equal to 2 !");
6163 MEDCouplingAutoRefCountObjectPtr<MEDCouplingFieldDouble> ret=MEDCouplingFieldDouble::New(ON_CELLS,ONE_TIME);
6165 int nbOfCells=getNumberOfCells();
6166 MEDCouplingAutoRefCountObjectPtr<DataArrayDouble> arr=DataArrayDouble::New();
6167 arr->alloc(nbOfCells,1);
6168 double *pt=arr->getPointer();
6169 ret->setArray(arr);//In case of throw to avoid mem leaks arr will be used after decrRef.
6170 const int *conn=_nodal_connec->getConstPointer();
6171 const int *connI=_nodal_connec_index->getConstPointer();
6172 const double *coo=_coords->getConstPointer();
6174 for(int i=0;i<nbOfCells;i++,pt++)
6176 INTERP_KERNEL::NormalizedCellType t=(INTERP_KERNEL::NormalizedCellType)*conn;
6179 case INTERP_KERNEL::NORM_QUAD4:
6181 FillInCompact3DMode(3,4,conn+1,coo,tmp);
6182 *pt=INTERP_KERNEL::quadSkew(tmp);
6186 throw INTERP_KERNEL::Exception("MEDCouplingUMesh::getSkewField : A cell with not manged type (NORM_QUAD4) has been detected !");
6188 conn+=connI[i+1]-connI[i];
6190 ret->setName("Skew");
6191 ret->synchronizeTimeWithSupport();
6196 * This method aggregate the bbox of each cell and put it into bbox parameter.
6198 * \return DataArrayDouble * - newly created object (to be managed by the caller) \a this number of cells tuples and 2*spacedim components.
6200 * \throw If \a this is not fully set (coordinates and connectivity).
6201 * \throw If a cell in \a this has no valid nodeId.
6203 DataArrayDouble *MEDCouplingUMesh::getBoundingBoxForBBTree() const
6205 checkFullyDefined();
6206 int spaceDim(getSpaceDimension()),nbOfCells(getNumberOfCells()),nbOfNodes(getNumberOfNodes());
6207 MEDCouplingAutoRefCountObjectPtr<DataArrayDouble> ret(DataArrayDouble::New()); ret->alloc(nbOfCells,2*spaceDim);
6208 double *bbox(ret->getPointer());
6209 for(int i=0;i<nbOfCells*spaceDim;i++)
6211 bbox[2*i]=std::numeric_limits<double>::max();
6212 bbox[2*i+1]=-std::numeric_limits<double>::max();
6214 const double *coordsPtr(_coords->getConstPointer());
6215 const int *conn(_nodal_connec->getConstPointer()),*connI(_nodal_connec_index->getConstPointer());
6216 for(int i=0;i<nbOfCells;i++)
6218 int offset=connI[i]+1;
6219 int nbOfNodesForCell(connI[i+1]-offset),kk(0);
6220 for(int j=0;j<nbOfNodesForCell;j++)
6222 int nodeId=conn[offset+j];
6223 if(nodeId>=0 && nodeId<nbOfNodes)
6225 for(int k=0;k<spaceDim;k++)
6227 bbox[2*spaceDim*i+2*k]=std::min(bbox[2*spaceDim*i+2*k],coordsPtr[spaceDim*nodeId+k]);
6228 bbox[2*spaceDim*i+2*k+1]=std::max(bbox[2*spaceDim*i+2*k+1],coordsPtr[spaceDim*nodeId+k]);
6235 std::ostringstream oss; oss << "MEDCouplingUMesh::getBoundingBoxForBBTree : cell #" << i << " contains no valid nodeId !";
6236 throw INTERP_KERNEL::Exception(oss.str().c_str());
6244 namespace ParaMEDMEMImpl
6249 ConnReader(const int *c, int val):_conn(c),_val(val) { }
6250 bool operator() (const int& pos) { return _conn[pos]!=_val; }
6259 ConnReader2(const int *c, int val):_conn(c),_val(val) { }
6260 bool operator() (const int& pos) { return _conn[pos]==_val; }
6270 * This method expects that \a this is sorted by types. If not an exception will be thrown.
6271 * This method returns in the same format as code (see MEDCouplingUMesh::checkTypeConsistencyAndContig or MEDCouplingUMesh::splitProfilePerType) how
6272 * \a this is composed in cell types.
6273 * The returned array is of size 3*n where n is the number of different types present in \a this.
6274 * For every k in [0,n] ret[3*k+2]==-1 because it has no sense here.
6275 * This parameter is kept only for compatibility with other methode listed above.
6277 std::vector<int> MEDCouplingUMesh::getDistributionOfTypes() const
6279 checkConnectivityFullyDefined();
6280 const int *conn=_nodal_connec->getConstPointer();
6281 const int *connI=_nodal_connec_index->getConstPointer();
6282 const int *work=connI;
6283 int nbOfCells=getNumberOfCells();
6284 std::size_t n=getAllGeoTypes().size();
6285 std::vector<int> ret(3*n,-1); //ret[3*k+2]==-1 because it has no sense here
6286 std::set<INTERP_KERNEL::NormalizedCellType> types;
6287 for(std::size_t i=0;work!=connI+nbOfCells;i++)
6289 INTERP_KERNEL::NormalizedCellType typ=(INTERP_KERNEL::NormalizedCellType)conn[*work];
6290 if(types.find(typ)!=types.end())
6292 std::ostringstream oss; oss << "MEDCouplingUMesh::getDistributionOfTypes : Type " << INTERP_KERNEL::CellModel::GetCellModel(typ).getRepr();
6293 oss << " is not contiguous !";
6294 throw INTERP_KERNEL::Exception(oss.str().c_str());
6298 const int *work2=std::find_if(work+1,connI+nbOfCells,ParaMEDMEMImpl::ConnReader(conn,typ));
6299 ret[3*i+1]=(int)std::distance(work,work2);
6306 * This method is used to check that this has contiguous cell type in same order than described in \a code.
6307 * only for types cell, type node is not managed.
6308 * Format of \a code is the following. \a code should be of size 3*n and non empty. If not an exception is thrown.
6309 * foreach k in [0,n) on 3*k pos represent the geometric type and 3*k+1 number of elements of type 3*k.
6310 * 3*k+2 refers if different from -1 the pos in 'idsPerType' to get the corresponding array.
6311 * If 2 or more same geometric type is in \a code and exception is thrown too.
6313 * This method firstly checks
6314 * If it exists k so that 3*k geometric type is not in geometric types of this an exception will be thrown.
6315 * If it exists k so that 3*k geometric type exists but the number of consecutive cell types does not match,
6316 * an exception is thrown too.
6318 * If all geometric types in \a code are exactly those in \a this null pointer is returned.
6319 * If it exists a geometric type in \a this \b not in \a code \b no exception is thrown
6320 * and a DataArrayInt instance is returned that the user has the responsability to deallocate.
6322 DataArrayInt *MEDCouplingUMesh::checkTypeConsistencyAndContig(const std::vector<int>& code, const std::vector<const DataArrayInt *>& idsPerType) const
6325 throw INTERP_KERNEL::Exception("MEDCouplingUMesh::checkTypeConsistencyAndContig : code is empty, should not !");
6326 std::size_t sz=code.size();
6329 throw INTERP_KERNEL::Exception("MEDCouplingUMesh::checkTypeConsistencyAndContig : code size is NOT %3 !");
6330 std::vector<INTERP_KERNEL::NormalizedCellType> types;
6332 bool isNoPflUsed=true;
6333 for(std::size_t i=0;i<n;i++)
6334 if(std::find(types.begin(),types.end(),(INTERP_KERNEL::NormalizedCellType)code[3*i])==types.end())
6336 types.push_back((INTERP_KERNEL::NormalizedCellType)code[3*i]);
6338 if(_types.find((INTERP_KERNEL::NormalizedCellType)code[3*i])==_types.end())
6339 throw INTERP_KERNEL::Exception("MEDCouplingUMesh::checkTypeConsistencyAndContig : expected geo types not in this !");
6340 isNoPflUsed=isNoPflUsed && (code[3*i+2]==-1);
6343 throw INTERP_KERNEL::Exception("MEDCouplingUMesh::checkTypeConsistencyAndContig : code contains duplication of types in unstructured mesh !");
6346 if(!checkConsecutiveCellTypesAndOrder(&types[0],&types[0]+types.size()))
6347 throw INTERP_KERNEL::Exception("MEDCouplingUMesh::checkTypeConsistencyAndContig : non contiguous type !");
6348 if(types.size()==_types.size())
6351 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> ret=DataArrayInt::New();
6353 int *retPtr=ret->getPointer();
6354 const int *connI=_nodal_connec_index->getConstPointer();
6355 const int *conn=_nodal_connec->getConstPointer();
6356 int nbOfCells=getNumberOfCells();
6359 for(std::vector<INTERP_KERNEL::NormalizedCellType>::const_iterator it=types.begin();it!=types.end();it++,kk++)
6361 i=std::find_if(i,connI+nbOfCells,ParaMEDMEMImpl::ConnReader2(conn,(int)(*it)));
6362 int offset=(int)std::distance(connI,i);
6363 const int *j=std::find_if(i+1,connI+nbOfCells,ParaMEDMEMImpl::ConnReader(conn,(int)(*it)));
6364 int nbOfCellsOfCurType=(int)std::distance(i,j);
6365 if(code[3*kk+2]==-1)
6366 for(int k=0;k<nbOfCellsOfCurType;k++)
6370 int idInIdsPerType=code[3*kk+2];
6371 if(idInIdsPerType>=0 && idInIdsPerType<(int)idsPerType.size())
6373 const DataArrayInt *zePfl=idsPerType[idInIdsPerType];
6376 zePfl->checkAllocated();
6377 if(zePfl->getNumberOfComponents()==1)
6379 for(const int *k=zePfl->begin();k!=zePfl->end();k++,retPtr++)
6381 if(*k>=0 && *k<nbOfCellsOfCurType)
6382 *retPtr=(*k)+offset;
6385 std::ostringstream oss; oss << "MEDCouplingUMesh::checkTypeConsistencyAndContig : the section " << kk << " points to the profile #" << idInIdsPerType;
6386 oss << ", and this profile contains a value " << *k << " should be in [0," << nbOfCellsOfCurType << ") !";
6387 throw INTERP_KERNEL::Exception(oss.str().c_str());
6392 throw INTERP_KERNEL::Exception("MEDCouplingUMesh::checkTypeConsistencyAndContig : presence of a profile with nb of compo != 1 !");
6395 throw INTERP_KERNEL::Exception("MEDCouplingUMesh::checkTypeConsistencyAndContig : presence of null profile !");
6399 std::ostringstream oss; oss << "MEDCouplingUMesh::checkTypeConsistencyAndContig : at section " << kk << " of code it points to the array #" << idInIdsPerType;
6400 oss << " should be in [0," << idsPerType.size() << ") !";
6401 throw INTERP_KERNEL::Exception(oss.str().c_str());
6410 * This method makes the hypothesis that \at this is sorted by type. If not an exception will be thrown.
6411 * 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.
6412 * 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.
6413 * This method has 1 input \a profile and 3 outputs \a code \a idsInPflPerType and \a idsPerType.
6415 * \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.
6416 * \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,
6417 * \a idsInPflPerType[i] stores the tuple ids in \a profile that correspond to the geometric type code[3*i+0]
6418 * \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.
6419 * This vector can be empty in case of all geometric type cells are fully covered in ascending in the given input \a profile.
6420 * \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
6422 void MEDCouplingUMesh::splitProfilePerType(const DataArrayInt *profile, std::vector<int>& code, std::vector<DataArrayInt *>& idsInPflPerType, std::vector<DataArrayInt *>& idsPerType) const
6425 throw INTERP_KERNEL::Exception("MEDCouplingUMesh::splitProfilePerType : input profile is NULL !");
6426 if(profile->getNumberOfComponents()!=1)
6427 throw INTERP_KERNEL::Exception("MEDCouplingUMesh::splitProfilePerType : input profile should have exactly one component !");
6428 checkConnectivityFullyDefined();
6429 const int *conn=_nodal_connec->getConstPointer();
6430 const int *connI=_nodal_connec_index->getConstPointer();
6431 int nbOfCells=getNumberOfCells();
6432 std::vector<INTERP_KERNEL::NormalizedCellType> types;
6433 std::vector<int> typeRangeVals(1);
6434 for(const int *i=connI;i!=connI+nbOfCells;)
6436 INTERP_KERNEL::NormalizedCellType curType=(INTERP_KERNEL::NormalizedCellType)conn[*i];
6437 if(std::find(types.begin(),types.end(),curType)!=types.end())
6439 throw INTERP_KERNEL::Exception("MEDCouplingUMesh::splitProfilePerType : current mesh is not sorted by type !");
6441 types.push_back(curType);
6442 i=std::find_if(i+1,connI+nbOfCells,ParaMEDMEMImpl::ConnReader(conn,(int)curType));
6443 typeRangeVals.push_back((int)std::distance(connI,i));
6446 DataArrayInt *castArr=0,*rankInsideCast=0,*castsPresent=0;
6447 profile->splitByValueRange(&typeRangeVals[0],&typeRangeVals[0]+typeRangeVals.size(),castArr,rankInsideCast,castsPresent);
6448 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> tmp0=castArr;
6449 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> tmp1=rankInsideCast;
6450 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> tmp2=castsPresent;
6452 int nbOfCastsFinal=castsPresent->getNumberOfTuples();
6453 code.resize(3*nbOfCastsFinal);
6454 std::vector< MEDCouplingAutoRefCountObjectPtr<DataArrayInt> > idsInPflPerType2;
6455 std::vector< MEDCouplingAutoRefCountObjectPtr<DataArrayInt> > idsPerType2;
6456 for(int i=0;i<nbOfCastsFinal;i++)
6458 int castId=castsPresent->getIJ(i,0);
6459 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> tmp3=castArr->getIdsEqual(castId);
6460 idsInPflPerType2.push_back(tmp3);
6461 code[3*i]=(int)types[castId];
6462 code[3*i+1]=tmp3->getNumberOfTuples();
6463 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> tmp4=rankInsideCast->selectByTupleId(tmp3->getConstPointer(),tmp3->getConstPointer()+tmp3->getNumberOfTuples());
6464 if(tmp4->getNumberOfTuples()!=typeRangeVals[castId+1]-typeRangeVals[castId] || !tmp4->isIdentity())
6466 tmp4->copyStringInfoFrom(*profile);
6467 idsPerType2.push_back(tmp4);
6468 code[3*i+2]=(int)idsPerType2.size()-1;
6475 std::size_t sz2=idsInPflPerType2.size();
6476 idsInPflPerType.resize(sz2);
6477 for(std::size_t i=0;i<sz2;i++)
6479 DataArrayInt *locDa=idsInPflPerType2[i];
6481 idsInPflPerType[i]=locDa;
6483 std::size_t sz=idsPerType2.size();
6484 idsPerType.resize(sz);
6485 for(std::size_t i=0;i<sz;i++)
6487 DataArrayInt *locDa=idsPerType2[i];
6489 idsPerType[i]=locDa;
6494 * This method is here too emulate the MEDMEM behaviour on BDC (buildDescendingConnectivity). Hoping this method becomes deprecated very soon.
6495 * This method make the assumption that \a this and 'nM1LevMesh' mesh lyies on same coords (same pointer) as MED and MEDMEM does.
6496 * The following equality should be verified 'nM1LevMesh->getMeshDimension()==this->getMeshDimension()-1'
6497 * 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.
6499 MEDCouplingUMesh *MEDCouplingUMesh::emulateMEDMEMBDC(const MEDCouplingUMesh *nM1LevMesh, DataArrayInt *desc, DataArrayInt *descIndx, DataArrayInt *&revDesc, DataArrayInt *&revDescIndx, DataArrayInt *& nM1LevMeshIds, DataArrayInt *&meshnM1Old2New) const
6501 checkFullyDefined();
6502 nM1LevMesh->checkFullyDefined();
6503 if(getMeshDimension()-1!=nM1LevMesh->getMeshDimension())
6504 throw INTERP_KERNEL::Exception("MEDCouplingUMesh::emulateMEDMEMBDC : The mesh passed as first argument should have a meshDim equal to this->getMeshDimension()-1 !" );
6505 if(_coords!=nM1LevMesh->getCoords())
6506 throw INTERP_KERNEL::Exception("MEDCouplingUMesh::emulateMEDMEMBDC : 'this' and mesh in first argument should share the same coords : Use tryToShareSameCoords method !");
6507 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> tmp0=DataArrayInt::New();
6508 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> tmp1=DataArrayInt::New();
6509 MEDCouplingAutoRefCountObjectPtr<MEDCouplingUMesh> ret1=buildDescendingConnectivity(desc,descIndx,tmp0,tmp1);
6510 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> ret0=ret1->sortCellsInMEDFileFrmt();
6511 desc->transformWithIndArr(ret0->getConstPointer(),ret0->getConstPointer()+ret0->getNbOfElems());
6512 MEDCouplingAutoRefCountObjectPtr<MEDCouplingUMesh> tmp=MEDCouplingUMesh::New();
6513 tmp->setConnectivity(tmp0,tmp1);
6514 tmp->renumberCells(ret0->getConstPointer(),false);
6515 revDesc=tmp->getNodalConnectivity();
6516 revDescIndx=tmp->getNodalConnectivityIndex();
6517 DataArrayInt *ret=0;
6518 if(!ret1->areCellsIncludedIn(nM1LevMesh,2,ret))
6521 ret->getMaxValue(tmp2);
6523 std::ostringstream oss; oss << "MEDCouplingUMesh::emulateMEDMEMBDC : input N-1 mesh present a cell not in descending mesh ... Id of cell is " << tmp2 << " !";
6524 throw INTERP_KERNEL::Exception(oss.str().c_str());
6529 revDescIndx->incrRef();
6532 meshnM1Old2New=ret0;
6537 * Permutes the nodal connectivity arrays so that the cells are sorted by type, which is
6538 * necessary for writing the mesh to MED file. Additionally returns a permutation array
6539 * in "Old to New" mode.
6540 * \return DataArrayInt * - a new instance of DataArrayInt. The caller is to delete
6541 * this array using decrRef() as it is no more needed.
6542 * \throw If the nodal connectivity of cells is not defined.
6544 DataArrayInt *MEDCouplingUMesh::sortCellsInMEDFileFrmt()
6546 checkConnectivityFullyDefined();
6547 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> ret=getRenumArrForMEDFileFrmt();
6548 renumberCells(ret->getConstPointer(),false);
6553 * This methods checks that cells are sorted by their types.
6554 * This method makes asumption (no check) that connectivity is correctly set before calling.
6556 bool MEDCouplingUMesh::checkConsecutiveCellTypes() const
6558 checkFullyDefined();
6559 const int *conn=_nodal_connec->getConstPointer();
6560 const int *connI=_nodal_connec_index->getConstPointer();
6561 int nbOfCells=getNumberOfCells();
6562 std::set<INTERP_KERNEL::NormalizedCellType> types;
6563 for(const int *i=connI;i!=connI+nbOfCells;)
6565 INTERP_KERNEL::NormalizedCellType curType=(INTERP_KERNEL::NormalizedCellType)conn[*i];
6566 if(types.find(curType)!=types.end())
6568 types.insert(curType);
6569 i=std::find_if(i+1,connI+nbOfCells,ParaMEDMEMImpl::ConnReader(conn,(int)curType));
6575 * This method is a specialization of MEDCouplingUMesh::checkConsecutiveCellTypesAndOrder method that is called here.
6576 * The geometric type order is specified by MED file.
6578 * \sa MEDCouplingUMesh::checkConsecutiveCellTypesAndOrder
6580 bool MEDCouplingUMesh::checkConsecutiveCellTypesForMEDFileFrmt() const
6582 return checkConsecutiveCellTypesAndOrder(MEDMEM_ORDER,MEDMEM_ORDER+N_MEDMEM_ORDER);
6586 * This method performs the same job as checkConsecutiveCellTypes except that the order of types sequence is analyzed to check
6587 * that the order is specified in array defined by [ \a orderBg , \a orderEnd ).
6588 * If there is some geo types in \a this \b NOT in [ \a orderBg, \a orderEnd ) it is OK (return true) if contiguous.
6589 * If there is some geo types in [ \a orderBg, \a orderEnd ) \b NOT in \a this it is OK too (return true) if contiguous.
6591 bool MEDCouplingUMesh::checkConsecutiveCellTypesAndOrder(const INTERP_KERNEL::NormalizedCellType *orderBg, const INTERP_KERNEL::NormalizedCellType *orderEnd) const
6593 checkFullyDefined();
6594 const int *conn=_nodal_connec->getConstPointer();
6595 const int *connI=_nodal_connec_index->getConstPointer();
6596 int nbOfCells=getNumberOfCells();
6600 std::set<INTERP_KERNEL::NormalizedCellType> sg;
6601 for(const int *i=connI;i!=connI+nbOfCells;)
6603 INTERP_KERNEL::NormalizedCellType curType=(INTERP_KERNEL::NormalizedCellType)conn[*i];
6604 const INTERP_KERNEL::NormalizedCellType *isTypeExists=std::find(orderBg,orderEnd,curType);
6605 if(isTypeExists!=orderEnd)
6607 int pos=(int)std::distance(orderBg,isTypeExists);
6611 i=std::find_if(i+1,connI+nbOfCells,ParaMEDMEMImpl::ConnReader(conn,(int)curType));
6615 if(sg.find(curType)==sg.end())
6617 i=std::find_if(i+1,connI+nbOfCells,ParaMEDMEMImpl::ConnReader(conn,(int)curType));
6628 * This method returns 2 newly allocated DataArrayInt instances. The first is an array of size 'this->getNumberOfCells()' with one component,
6629 * 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
6630 * 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'.
6632 DataArrayInt *MEDCouplingUMesh::getLevArrPerCellTypes(const INTERP_KERNEL::NormalizedCellType *orderBg, const INTERP_KERNEL::NormalizedCellType *orderEnd, DataArrayInt *&nbPerType) const
6634 checkConnectivityFullyDefined();
6635 int nbOfCells=getNumberOfCells();
6636 const int *conn=_nodal_connec->getConstPointer();
6637 const int *connI=_nodal_connec_index->getConstPointer();
6638 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> tmpa=DataArrayInt::New();
6639 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> tmpb=DataArrayInt::New();
6640 tmpa->alloc(nbOfCells,1);
6641 tmpb->alloc((int)std::distance(orderBg,orderEnd),1);
6642 tmpb->fillWithZero();
6643 int *tmp=tmpa->getPointer();
6644 int *tmp2=tmpb->getPointer();
6645 for(const int *i=connI;i!=connI+nbOfCells;i++)
6647 const INTERP_KERNEL::NormalizedCellType *where=std::find(orderBg,orderEnd,(INTERP_KERNEL::NormalizedCellType)conn[*i]);
6650 int pos=(int)std::distance(orderBg,where);
6652 tmp[std::distance(connI,i)]=pos;
6656 const INTERP_KERNEL::CellModel& cm=INTERP_KERNEL::CellModel::GetCellModel((INTERP_KERNEL::NormalizedCellType)conn[*i]);
6657 std::ostringstream oss; oss << "MEDCouplingUMesh::getLevArrPerCellTypes : Cell #" << std::distance(connI,i);
6658 oss << " has a type " << cm.getRepr() << " not in input array of type !";
6659 throw INTERP_KERNEL::Exception(oss.str().c_str());
6662 nbPerType=tmpb.retn();
6667 * This method behaves exactly as MEDCouplingUMesh::getRenumArrForConsecutiveCellTypesSpec but the order is those defined in MED file spec.
6669 * \return a new object containing the old to new correspondance.
6671 * \sa MEDCouplingUMesh::getRenumArrForConsecutiveCellTypesSpec, MEDCouplingUMesh::sortCellsInMEDFileFrmt.
6673 DataArrayInt *MEDCouplingUMesh::getRenumArrForMEDFileFrmt() const
6675 return getRenumArrForConsecutiveCellTypesSpec(MEDMEM_ORDER,MEDMEM_ORDER+N_MEDMEM_ORDER);
6679 * 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.
6680 * This method returns an array of size getNumberOfCells() that gives a renumber array old2New that can be used as input of MEDCouplingMesh::renumberCells.
6681 * The mesh after this call to MEDCouplingMesh::renumberCells will pass the test of MEDCouplingUMesh::checkConsecutiveCellTypesAndOrder with the same inputs.
6682 * The returned array minimizes the permutations that is to say the order of cells inside same geometric type remains the same.
6684 DataArrayInt *MEDCouplingUMesh::getRenumArrForConsecutiveCellTypesSpec(const INTERP_KERNEL::NormalizedCellType *orderBg, const INTERP_KERNEL::NormalizedCellType *orderEnd) const
6686 DataArrayInt *nbPerType=0;
6687 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> tmpa=getLevArrPerCellTypes(orderBg,orderEnd,nbPerType);
6688 nbPerType->decrRef();
6689 return tmpa->buildPermArrPerLevel();
6693 * This method reorganize the cells of \a this so that the cells with same geometric types are put together.
6694 * The number of cells remains unchanged after the call of this method.
6695 * This method tries to minimizes the number of needed permutations. So, this method behaves not exactly as
6696 * MEDCouplingUMesh::sortCellsInMEDFileFrmt.
6698 * \return the array giving the correspondance old to new.
6700 DataArrayInt *MEDCouplingUMesh::rearrange2ConsecutiveCellTypes()
6702 checkFullyDefined();
6704 const int *conn=_nodal_connec->getConstPointer();
6705 const int *connI=_nodal_connec_index->getConstPointer();
6706 int nbOfCells=getNumberOfCells();
6707 std::vector<INTERP_KERNEL::NormalizedCellType> types;
6708 for(const int *i=connI;i!=connI+nbOfCells && (types.size()!=_types.size());)
6709 if(std::find(types.begin(),types.end(),(INTERP_KERNEL::NormalizedCellType)conn[*i])==types.end())
6711 INTERP_KERNEL::NormalizedCellType curType=(INTERP_KERNEL::NormalizedCellType)conn[*i];
6712 types.push_back(curType);
6713 for(i++;i!=connI+nbOfCells && (INTERP_KERNEL::NormalizedCellType)conn[*i]==curType;i++);
6715 DataArrayInt *ret=DataArrayInt::New();
6716 ret->alloc(nbOfCells,1);
6717 int *retPtr=ret->getPointer();
6718 std::fill(retPtr,retPtr+nbOfCells,-1);
6720 for(std::vector<INTERP_KERNEL::NormalizedCellType>::const_iterator iter=types.begin();iter!=types.end();iter++)
6722 for(const int *i=connI;i!=connI+nbOfCells;i++)
6723 if((INTERP_KERNEL::NormalizedCellType)conn[*i]==(*iter))
6724 retPtr[std::distance(connI,i)]=newCellId++;
6726 renumberCells(retPtr,false);
6731 * This method splits \a this into as mush as untructured meshes that consecutive set of same type cells.
6732 * So this method has typically a sense if MEDCouplingUMesh::checkConsecutiveCellTypes has a sense.
6733 * This method makes asumption that connectivity is correctly set before calling.
6735 std::vector<MEDCouplingUMesh *> MEDCouplingUMesh::splitByType() const
6737 checkConnectivityFullyDefined();
6738 const int *conn=_nodal_connec->getConstPointer();
6739 const int *connI=_nodal_connec_index->getConstPointer();
6740 int nbOfCells=getNumberOfCells();
6741 std::vector<MEDCouplingUMesh *> ret;
6742 for(const int *i=connI;i!=connI+nbOfCells;)
6744 INTERP_KERNEL::NormalizedCellType curType=(INTERP_KERNEL::NormalizedCellType)conn[*i];
6745 int beginCellId=(int)std::distance(connI,i);
6746 i=std::find_if(i+1,connI+nbOfCells,ParaMEDMEMImpl::ConnReader(conn,(int)curType));
6747 int endCellId=(int)std::distance(connI,i);
6748 int sz=endCellId-beginCellId;
6749 int *cells=new int[sz];
6750 for(int j=0;j<sz;j++)
6751 cells[j]=beginCellId+j;
6752 MEDCouplingUMesh *m=(MEDCouplingUMesh *)buildPartOfMySelf(cells,cells+sz,true);
6760 * This method performs the opposite operation than those in MEDCoupling1SGTUMesh::buildUnstructured.
6761 * If \a this is a single geometric type unstructured mesh, it will be converted into a more compact data structure,
6762 * MEDCoupling1GTUMesh instance. The returned instance will aggregate the same DataArrayDouble instance of coordinates than \a this.
6764 * \return a newly allocated instance, that the caller must manage.
6765 * \throw If \a this contains more than one geometric type.
6766 * \throw If the nodal connectivity of \a this is not fully defined.
6767 * \throw If the internal data is not coherent.
6769 MEDCoupling1GTUMesh *MEDCouplingUMesh::convertIntoSingleGeoTypeMesh() const
6771 checkConnectivityFullyDefined();
6772 if(_types.size()!=1)
6773 throw INTERP_KERNEL::Exception("MEDCouplingUMesh::convertIntoSingleGeoTypeMesh : current mesh does not contain exactly one geometric type !");
6774 INTERP_KERNEL::NormalizedCellType typ=*_types.begin();
6775 MEDCouplingAutoRefCountObjectPtr<MEDCoupling1GTUMesh> ret=MEDCoupling1GTUMesh::New(getName().c_str(),typ);
6776 ret->setCoords(getCoords());
6777 MEDCoupling1SGTUMesh *retC=dynamic_cast<MEDCoupling1SGTUMesh *>((MEDCoupling1GTUMesh*)ret);
6780 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> c=convertNodalConnectivityToStaticGeoTypeMesh();
6781 retC->setNodalConnectivity(c);
6785 MEDCoupling1DGTUMesh *retD=dynamic_cast<MEDCoupling1DGTUMesh *>((MEDCoupling1GTUMesh*)ret);
6787 throw INTERP_KERNEL::Exception("MEDCouplingUMesh::convertIntoSingleGeoTypeMesh : Internal error !");
6788 DataArrayInt *c=0,*ci=0;
6789 convertNodalConnectivityToDynamicGeoTypeMesh(c,ci);
6790 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> cs(c),cis(ci);
6791 retD->setNodalConnectivity(cs,cis);
6796 DataArrayInt *MEDCouplingUMesh::convertNodalConnectivityToStaticGeoTypeMesh() const
6798 checkConnectivityFullyDefined();
6799 if(_types.size()!=1)
6800 throw INTERP_KERNEL::Exception("MEDCouplingUMesh::convertNodalConnectivityToStaticGeoTypeMesh : current mesh does not contain exactly one geometric type !");
6801 INTERP_KERNEL::NormalizedCellType typ=*_types.begin();
6802 const INTERP_KERNEL::CellModel& cm=INTERP_KERNEL::CellModel::GetCellModel(typ);
6805 std::ostringstream oss; oss << "MEDCouplingUMesh::convertNodalConnectivityToStaticGeoTypeMesh : this contains a single geo type (" << cm.getRepr() << ") but ";
6806 oss << "this type is dynamic ! Only static geometric type is possible for that type ! call convertNodalConnectivityToDynamicGeoTypeMesh instead !";
6807 throw INTERP_KERNEL::Exception(oss.str().c_str());
6809 int nbCells=getNumberOfCells();
6811 int nbNodesPerCell=(int)cm.getNumberOfNodes();
6812 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> connOut=DataArrayInt::New(); connOut->alloc(nbCells*nbNodesPerCell,1);
6813 int *outPtr=connOut->getPointer();
6814 const int *conn=_nodal_connec->begin();
6815 const int *connI=_nodal_connec_index->begin();
6817 for(int i=0;i<nbCells;i++,connI++)
6819 if(conn[connI[0]]==typi && connI[1]-connI[0]==nbNodesPerCell)
6820 outPtr=std::copy(conn+connI[0]+1,conn+connI[1],outPtr);
6823 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 << ") !";
6824 throw INTERP_KERNEL::Exception(oss.str().c_str());
6827 return connOut.retn();
6830 void MEDCouplingUMesh::convertNodalConnectivityToDynamicGeoTypeMesh(DataArrayInt *&nodalConn, DataArrayInt *&nodalConnIndex) const
6832 static const char msg0[]="MEDCouplingUMesh::convertNodalConnectivityToDynamicGeoTypeMesh : nodal connectivity in this are invalid ! Call checkCoherency2 !";
6833 checkConnectivityFullyDefined();
6834 if(_types.size()!=1)
6835 throw INTERP_KERNEL::Exception("MEDCouplingUMesh::convertNodalConnectivityToDynamicGeoTypeMesh : current mesh does not contain exactly one geometric type !");
6836 int nbCells=getNumberOfCells(),lgth=_nodal_connec->getNumberOfTuples();
6838 throw INTERP_KERNEL::Exception(msg0);
6839 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> c(DataArrayInt::New()),ci(DataArrayInt::New());
6840 c->alloc(lgth-nbCells,1); ci->alloc(nbCells+1,1);
6841 int *cp(c->getPointer()),*cip(ci->getPointer());
6842 const int *incp(_nodal_connec->begin()),*incip(_nodal_connec_index->begin());
6844 for(int i=0;i<nbCells;i++,cip++,incip++)
6846 int strt(incip[0]+1),stop(incip[1]);//+1 to skip geo type
6847 int delta(stop-strt);
6850 if((strt>=0 && strt<lgth) && (stop>=0 && stop<=lgth))
6851 cp=std::copy(incp+strt,incp+stop,cp);
6853 throw INTERP_KERNEL::Exception(msg0);
6856 throw INTERP_KERNEL::Exception(msg0);
6857 cip[1]=cip[0]+delta;
6859 nodalConn=c.retn(); nodalConnIndex=ci.retn();
6863 * This method takes in input a vector of MEDCouplingUMesh instances lying on the same coordinates with same mesh dimensions.
6864 * Each mesh in \b ms must be sorted by type with the same order (typically using MEDCouplingUMesh::sortCellsInMEDFileFrmt).
6865 * This method is particulary useful for MED file interaction. It allows to aggregate several meshes and keeping the type sorting
6866 * and the track of the permutation by chunk of same geotype cells to retrieve it. The traditional formats old2new and new2old
6867 * are not used here to avoid the build of big permutation array.
6869 * \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
6870 * those specified in MEDCouplingUMesh::sortCellsInMEDFileFrmt method.
6871 * \param [out] szOfCellGrpOfSameType is a newly allocated DataArrayInt instance whose number of tuples is equal to the number of chunks of same geotype
6872 * in all meshes in \b ms. The accumulation of all values of this array is equal to the number of cells of returned mesh.
6873 * \param [out] idInMsOfCellGrpOfSameType is a newly allocated DataArrayInt instance having the same size than \b szOfCellGrpOfSameType. This
6874 * output array gives for each chunck of same type the corresponding mesh id in \b ms.
6875 * \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
6876 * is sorted by type following the geo cell types order of MEDCouplingUMesh::sortCellsInMEDFileFrmt method.
6878 MEDCouplingUMesh *MEDCouplingUMesh::AggregateSortedByTypeMeshesOnSameCoords(const std::vector<const MEDCouplingUMesh *>& ms,
6879 DataArrayInt *&szOfCellGrpOfSameType,
6880 DataArrayInt *&idInMsOfCellGrpOfSameType) throw(INTERP_KERNEL::Exception)
6882 std::vector<const MEDCouplingUMesh *> ms2;
6883 for(std::vector<const MEDCouplingUMesh *>::const_iterator it=ms.begin();it!=ms.end();it++)
6886 (*it)->checkConnectivityFullyDefined();
6890 throw INTERP_KERNEL::Exception("MEDCouplingUMesh::AggregateSortedByTypeMeshesOnSameCoords : input vector is empty !");
6891 const DataArrayDouble *refCoo=ms2[0]->getCoords();
6892 int meshDim=ms2[0]->getMeshDimension();
6893 std::vector<const MEDCouplingUMesh *> m1ssm;
6894 std::vector< MEDCouplingAutoRefCountObjectPtr<MEDCouplingUMesh> > m1ssmAuto;
6896 std::vector<const MEDCouplingUMesh *> m1ssmSingle;
6897 std::vector< MEDCouplingAutoRefCountObjectPtr<MEDCouplingUMesh> > m1ssmSingleAuto;
6899 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> ret1(DataArrayInt::New()),ret2(DataArrayInt::New());
6900 ret1->alloc(0,1); ret2->alloc(0,1);
6901 for(std::vector<const MEDCouplingUMesh *>::const_iterator it=ms2.begin();it!=ms2.end();it++,rk++)
6903 if(meshDim!=(*it)->getMeshDimension())
6904 throw INTERP_KERNEL::Exception("MEDCouplingUMesh::AggregateSortedByTypeMeshesOnSameCoords : meshdims mismatch !");
6905 if(refCoo!=(*it)->getCoords())
6906 throw INTERP_KERNEL::Exception("MEDCouplingUMesh::AggregateSortedByTypeMeshesOnSameCoords : meshes are not shared by a single coordinates coords !");
6907 std::vector<MEDCouplingUMesh *> sp=(*it)->splitByType();
6908 std::copy(sp.begin(),sp.end(),std::back_insert_iterator< std::vector<const MEDCouplingUMesh *> >(m1ssm));
6909 std::copy(sp.begin(),sp.end(),std::back_insert_iterator< std::vector<MEDCouplingAutoRefCountObjectPtr<MEDCouplingUMesh> > >(m1ssmAuto));
6910 for(std::vector<MEDCouplingUMesh *>::const_iterator it2=sp.begin();it2!=sp.end();it2++)
6912 MEDCouplingUMesh *singleCell=static_cast<MEDCouplingUMesh *>((*it2)->buildPartOfMySelf(&fake,&fake+1,true));
6913 m1ssmSingleAuto.push_back(singleCell);
6914 m1ssmSingle.push_back(singleCell);
6915 ret1->pushBackSilent((*it2)->getNumberOfCells()); ret2->pushBackSilent(rk);
6918 MEDCouplingAutoRefCountObjectPtr<MEDCouplingUMesh> m1ssmSingle2=MEDCouplingUMesh::MergeUMeshesOnSameCoords(m1ssmSingle);
6919 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> renum=m1ssmSingle2->sortCellsInMEDFileFrmt();
6920 std::vector<const MEDCouplingUMesh *> m1ssmfinal(m1ssm.size());
6921 for(std::size_t i=0;i<m1ssm.size();i++)
6922 m1ssmfinal[renum->getIJ(i,0)]=m1ssm[i];
6923 MEDCouplingAutoRefCountObjectPtr<MEDCouplingUMesh> ret0=MEDCouplingUMesh::MergeUMeshesOnSameCoords(m1ssmfinal);
6924 szOfCellGrpOfSameType=ret1->renumber(renum->getConstPointer());
6925 idInMsOfCellGrpOfSameType=ret2->renumber(renum->getConstPointer());
6930 * This method returns a newly created DataArrayInt instance.
6931 * This method retrieves cell ids in [ \a begin, \a end ) that have the type \a type.
6933 DataArrayInt *MEDCouplingUMesh::keepCellIdsByType(INTERP_KERNEL::NormalizedCellType type, const int *begin, const int *end) const
6935 checkFullyDefined();
6936 const int *conn=_nodal_connec->getConstPointer();
6937 const int *connIndex=_nodal_connec_index->getConstPointer();
6938 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> ret(DataArrayInt::New()); ret->alloc(0,1);
6939 for(const int *w=begin;w!=end;w++)
6940 if((INTERP_KERNEL::NormalizedCellType)conn[connIndex[*w]]==type)
6941 ret->pushBackSilent(*w);
6946 * This method makes the assumption that da->getNumberOfTuples()<this->getNumberOfCells(). This method makes the assumption that ids contained in 'da'
6947 * are in [0:getNumberOfCells())
6949 DataArrayInt *MEDCouplingUMesh::convertCellArrayPerGeoType(const DataArrayInt *da) const
6951 checkFullyDefined();
6952 const int *conn=_nodal_connec->getConstPointer();
6953 const int *connI=_nodal_connec_index->getConstPointer();
6954 int nbOfCells=getNumberOfCells();
6955 std::set<INTERP_KERNEL::NormalizedCellType> types(getAllGeoTypes());
6956 int *tmp=new int[nbOfCells];
6957 for(std::set<INTERP_KERNEL::NormalizedCellType>::const_iterator iter=types.begin();iter!=types.end();iter++)
6960 for(const int *i=connI;i!=connI+nbOfCells;i++)
6961 if((INTERP_KERNEL::NormalizedCellType)conn[*i]==(*iter))
6962 tmp[std::distance(connI,i)]=j++;
6964 DataArrayInt *ret=DataArrayInt::New();
6965 ret->alloc(da->getNumberOfTuples(),da->getNumberOfComponents());
6966 ret->copyStringInfoFrom(*da);
6967 int *retPtr=ret->getPointer();
6968 const int *daPtr=da->getConstPointer();
6969 int nbOfElems=da->getNbOfElems();
6970 for(int k=0;k<nbOfElems;k++)
6971 retPtr[k]=tmp[daPtr[k]];
6977 * This method reduced number of cells of this by keeping cells whose type is different from 'type' and if type=='type'
6978 * This method \b works \b for mesh sorted by type.
6979 * cells whose ids is in 'idsPerGeoType' array.
6980 * This method conserves coords and name of mesh.
6982 MEDCouplingUMesh *MEDCouplingUMesh::keepSpecifiedCells(INTERP_KERNEL::NormalizedCellType type, const int *idsPerGeoTypeBg, const int *idsPerGeoTypeEnd) const
6984 std::vector<int> code=getDistributionOfTypes();
6985 std::size_t nOfTypesInThis=code.size()/3;
6986 int sz=0,szOfType=0;
6987 for(std::size_t i=0;i<nOfTypesInThis;i++)
6992 szOfType=code[3*i+1];
6994 for(const int *work=idsPerGeoTypeBg;work!=idsPerGeoTypeEnd;work++)
6995 if(*work<0 || *work>=szOfType)
6997 std::ostringstream oss; oss << "MEDCouplingUMesh::keepSpecifiedCells : Request on type " << type << " at place #" << std::distance(idsPerGeoTypeBg,work) << " value " << *work;
6998 oss << ". It should be in [0," << szOfType << ") !";
6999 throw INTERP_KERNEL::Exception(oss.str().c_str());
7001 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> idsTokeep=DataArrayInt::New(); idsTokeep->alloc(sz+(int)std::distance(idsPerGeoTypeBg,idsPerGeoTypeEnd),1);
7002 int *idsPtr=idsTokeep->getPointer();
7004 for(std::size_t i=0;i<nOfTypesInThis;i++)
7007 for(int j=0;j<code[3*i+1];j++)
7010 idsPtr=std::transform(idsPerGeoTypeBg,idsPerGeoTypeEnd,idsPtr,std::bind2nd(std::plus<int>(),offset));
7011 offset+=code[3*i+1];
7013 MEDCouplingAutoRefCountObjectPtr<MEDCouplingUMesh> ret=static_cast<MEDCouplingUMesh *>(buildPartOfMySelf(idsTokeep->begin(),idsTokeep->end(),true));
7014 ret->copyTinyInfoFrom(this);
7019 * This method returns a vector of size 'this->getNumberOfCells()'.
7020 * This method retrieves for each cell in \a this if it is linear (false) or quadratic(true).
7022 std::vector<bool> MEDCouplingUMesh::getQuadraticStatus() const
7024 int ncell=getNumberOfCells();
7025 std::vector<bool> ret(ncell);
7026 const int *cI=getNodalConnectivityIndex()->getConstPointer();
7027 const int *c=getNodalConnectivity()->getConstPointer();
7028 for(int i=0;i<ncell;i++)
7030 INTERP_KERNEL::NormalizedCellType typ=(INTERP_KERNEL::NormalizedCellType)c[cI[i]];
7031 const INTERP_KERNEL::CellModel& cm=INTERP_KERNEL::CellModel::GetCellModel(typ);
7032 ret[i]=cm.isQuadratic();
7038 * Returns a newly created mesh (with ref count ==1) that contains merge of \a this and \a other.
7040 MEDCouplingMesh *MEDCouplingUMesh::mergeMyselfWith(const MEDCouplingMesh *other) const
7042 if(other->getType()!=UNSTRUCTURED)
7043 throw INTERP_KERNEL::Exception("Merge of umesh only available with umesh each other !");
7044 const MEDCouplingUMesh *otherC=static_cast<const MEDCouplingUMesh *>(other);
7045 return MergeUMeshes(this,otherC);
7049 * Returns a new DataArrayDouble holding barycenters of all cells. The barycenter is
7050 * computed by averaging coordinates of cell nodes, so this method is not a right
7051 * choice for degnerated meshes (not well oriented, cells with measure close to zero).
7052 * \return DataArrayDouble * - a new instance of DataArrayDouble, of size \a
7053 * this->getNumberOfCells() tuples per \a this->getSpaceDimension()
7054 * components. The caller is to delete this array using decrRef() as it is
7056 * \throw If the coordinates array is not set.
7057 * \throw If the nodal connectivity of cells is not defined.
7058 * \sa MEDCouplingUMesh::computeIsoBarycenterOfNodesPerCell
7060 DataArrayDouble *MEDCouplingUMesh::getBarycenterAndOwner() const
7062 MEDCouplingAutoRefCountObjectPtr<DataArrayDouble> ret=DataArrayDouble::New();
7063 int spaceDim=getSpaceDimension();
7064 int nbOfCells=getNumberOfCells();
7065 ret->alloc(nbOfCells,spaceDim);
7066 ret->copyStringInfoFrom(*getCoords());
7067 double *ptToFill=ret->getPointer();
7068 const int *nodal=_nodal_connec->getConstPointer();
7069 const int *nodalI=_nodal_connec_index->getConstPointer();
7070 const double *coor=_coords->getConstPointer();
7071 for(int i=0;i<nbOfCells;i++)
7073 INTERP_KERNEL::NormalizedCellType type=(INTERP_KERNEL::NormalizedCellType)nodal[nodalI[i]];
7074 INTERP_KERNEL::computeBarycenter2<int,INTERP_KERNEL::ALL_C_MODE>(type,nodal+nodalI[i]+1,nodalI[i+1]-nodalI[i]-1,coor,spaceDim,ptToFill);
7081 * This method computes for each cell in \a this, the location of the iso barycenter of nodes constituting
7082 * the cell. Contrary to badly named MEDCouplingUMesh::getBarycenterAndOwner method that returns the center of inertia of the
7084 * \return a newly allocated DataArrayDouble instance that the caller has to deal with. The returned
7085 * DataArrayDouble instance will have \c this->getNumberOfCells() tuples and \c this->getSpaceDimension() components.
7087 * \sa MEDCouplingUMesh::getBarycenterAndOwner
7088 * \throw If \a this is not fully defined (coordinates and connectivity)
7089 * \throw If there is presence in nodal connectivity in \a this of node ids not in [0, \c this->getNumberOfNodes() )
7091 DataArrayDouble *MEDCouplingUMesh::computeIsoBarycenterOfNodesPerCell() const
7093 checkFullyDefined();
7094 MEDCouplingAutoRefCountObjectPtr<DataArrayDouble> ret=DataArrayDouble::New();
7095 int spaceDim=getSpaceDimension();
7096 int nbOfCells=getNumberOfCells();
7097 int nbOfNodes=getNumberOfNodes();
7098 ret->alloc(nbOfCells,spaceDim);
7099 double *ptToFill=ret->getPointer();
7100 const int *nodal=_nodal_connec->getConstPointer();
7101 const int *nodalI=_nodal_connec_index->getConstPointer();
7102 const double *coor=_coords->getConstPointer();
7103 for(int i=0;i<nbOfCells;i++,ptToFill+=spaceDim)
7105 INTERP_KERNEL::NormalizedCellType type=(INTERP_KERNEL::NormalizedCellType)nodal[nodalI[i]];
7106 std::fill(ptToFill,ptToFill+spaceDim,0.);
7107 if(type!=INTERP_KERNEL::NORM_POLYHED)
7109 for(const int *conn=nodal+nodalI[i]+1;conn!=nodal+nodalI[i+1];conn++)
7111 if(*conn>=0 && *conn<nbOfNodes)
7112 std::transform(coor+spaceDim*conn[0],coor+spaceDim*(conn[0]+1),ptToFill,ptToFill,std::plus<double>());
7115 std::ostringstream oss; oss << "MEDCouplingUMesh::computeIsoBarycenterOfNodesPerCell : on cell #" << i << " presence of nodeId #" << *conn << " should be in [0," << nbOfNodes << ") !";
7116 throw INTERP_KERNEL::Exception(oss.str().c_str());
7119 int nbOfNodesInCell=nodalI[i+1]-nodalI[i]-1;
7120 if(nbOfNodesInCell>0)
7121 std::transform(ptToFill,ptToFill+spaceDim,ptToFill,std::bind2nd(std::multiplies<double>(),1./(double)nbOfNodesInCell));
7124 std::ostringstream oss; oss << "MEDCouplingUMesh::computeIsoBarycenterOfNodesPerCell : on cell #" << i << " presence of cell with no nodes !";
7125 throw INTERP_KERNEL::Exception(oss.str().c_str());
7130 std::set<int> s(nodal+nodalI[i]+1,nodal+nodalI[i+1]);
7132 for(std::set<int>::const_iterator it=s.begin();it!=s.end();it++)
7134 if(*it>=0 && *it<nbOfNodes)
7135 std::transform(coor+spaceDim*(*it),coor+spaceDim*((*it)+1),ptToFill,ptToFill,std::plus<double>());
7138 std::ostringstream oss; oss << "MEDCouplingUMesh::computeIsoBarycenterOfNodesPerCell : on cell polyhedron cell #" << i << " presence of nodeId #" << *it << " should be in [0," << nbOfNodes << ") !";
7139 throw INTERP_KERNEL::Exception(oss.str().c_str());
7143 std::transform(ptToFill,ptToFill+spaceDim,ptToFill,std::bind2nd(std::multiplies<double>(),1./(double)s.size()));
7146 std::ostringstream oss; oss << "MEDCouplingUMesh::computeIsoBarycenterOfNodesPerCell : on polyhedron cell #" << i << " there are no nodes !";
7147 throw INTERP_KERNEL::Exception(oss.str().c_str());
7155 * Returns a new DataArrayDouble holding barycenters of specified cells. The
7156 * barycenter is computed by averaging coordinates of cell nodes. The cells to treat
7157 * are specified via an array of cell ids.
7158 * \warning Validity of the specified cell ids is not checked!
7159 * Valid range is [ 0, \a this->getNumberOfCells() ).
7160 * \param [in] begin - an array of cell ids of interest.
7161 * \param [in] end - the end of \a begin, i.e. a pointer to its (last+1)-th element.
7162 * \return DataArrayDouble * - a new instance of DataArrayDouble, of size ( \a
7163 * end - \a begin ) tuples per \a this->getSpaceDimension() components. The
7164 * caller is to delete this array using decrRef() as it is no more needed.
7165 * \throw If the coordinates array is not set.
7166 * \throw If the nodal connectivity of cells is not defined.
7168 * \ref cpp_mcumesh_getPartBarycenterAndOwner "Here is a C++ example".<br>
7169 * \ref py_mcumesh_getPartBarycenterAndOwner "Here is a Python example".
7171 DataArrayDouble *MEDCouplingUMesh::getPartBarycenterAndOwner(const int *begin, const int *end) const
7173 DataArrayDouble *ret=DataArrayDouble::New();
7174 int spaceDim=getSpaceDimension();
7175 int nbOfTuple=(int)std::distance(begin,end);
7176 ret->alloc(nbOfTuple,spaceDim);
7177 double *ptToFill=ret->getPointer();
7178 double *tmp=new double[spaceDim];
7179 const int *nodal=_nodal_connec->getConstPointer();
7180 const int *nodalI=_nodal_connec_index->getConstPointer();
7181 const double *coor=_coords->getConstPointer();
7182 for(const int *w=begin;w!=end;w++)
7184 INTERP_KERNEL::NormalizedCellType type=(INTERP_KERNEL::NormalizedCellType)nodal[nodalI[*w]];
7185 INTERP_KERNEL::computeBarycenter2<int,INTERP_KERNEL::ALL_C_MODE>(type,nodal+nodalI[*w]+1,nodalI[*w+1]-nodalI[*w]-1,coor,spaceDim,ptToFill);
7193 * 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".
7194 * So the returned instance will have 4 components and \c this->getNumberOfCells() tuples.
7195 * So this method expects that \a this has a spaceDimension equal to 3 and meshDimension equal to 2.
7196 * The computation of the plane equation is done using each time the 3 first nodes of 2D cells.
7197 * This method is useful to detect 2D cells in 3D space that are not coplanar.
7199 * \return DataArrayDouble * - a new instance of DataArrayDouble having 4 components and a number of tuples equal to number of cells in \a this.
7200 * \throw If spaceDim!=3 or meshDim!=2.
7201 * \throw If connectivity of \a this is invalid.
7202 * \throw If connectivity of a cell in \a this points to an invalid node.
7204 DataArrayDouble *MEDCouplingUMesh::computePlaneEquationOf3DFaces() const
7206 MEDCouplingAutoRefCountObjectPtr<DataArrayDouble> ret(DataArrayDouble::New());
7207 int nbOfCells(getNumberOfCells()),nbOfNodes(getNumberOfNodes());
7208 if(getSpaceDimension()!=3 || getMeshDimension()!=2)
7209 throw INTERP_KERNEL::Exception("MEDCouplingUMesh::computePlaneEquationOf3DFaces : This method must be applied on a mesh having meshDimension equal 2 and a spaceDimension equal to 3 !");
7210 ret->alloc(nbOfCells,4);
7211 double *retPtr(ret->getPointer());
7212 const int *nodal(_nodal_connec->begin()),*nodalI(_nodal_connec_index->begin());
7213 const double *coor(_coords->begin());
7214 for(int i=0;i<nbOfCells;i++,nodalI++,retPtr+=4)
7216 double matrix[16]={0,0,0,1,0,0,0,1,0,0,0,1,1,1,1,0},matrix2[16];
7217 if(nodalI[1]-nodalI[0]>=3)
7219 for(int j=0;j<3;j++)
7221 int nodeId(nodal[nodalI[0]+1+j]);
7222 if(nodeId>=0 && nodeId<nbOfNodes)
7223 std::copy(coor+nodeId*3,coor+(nodeId+1)*3,matrix+4*j);
7226 std::ostringstream oss; oss << "MEDCouplingUMesh::computePlaneEquationOf3DFaces : invalid 2D cell #" << i << " ! This cell points to an invalid nodeId : " << nodeId << " !";
7227 throw INTERP_KERNEL::Exception(oss.str().c_str());
7233 std::ostringstream oss; oss << "MEDCouplingUMesh::computePlaneEquationOf3DFaces : invalid 2D cell #" << i << " ! Must be constitued by more than 3 nodes !";
7234 throw INTERP_KERNEL::Exception(oss.str().c_str());
7236 INTERP_KERNEL::inverseMatrix(matrix,4,matrix2);
7237 retPtr[0]=matrix2[3]; retPtr[1]=matrix2[7]; retPtr[2]=matrix2[11]; retPtr[3]=matrix2[15];
7243 * This method expects as input a DataArrayDouble non nul instance 'da' that should be allocated. If not an exception is thrown.
7246 MEDCouplingUMesh *MEDCouplingUMesh::Build0DMeshFromCoords(DataArrayDouble *da)
7249 throw INTERP_KERNEL::Exception("MEDCouplingUMesh::Build0DMeshFromCoords : instance of DataArrayDouble must be not null !");
7250 da->checkAllocated();
7251 MEDCouplingAutoRefCountObjectPtr<MEDCouplingUMesh> ret=MEDCouplingUMesh::New(da->getName().c_str(),0);
7253 int nbOfTuples=da->getNumberOfTuples();
7254 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> c=DataArrayInt::New();
7255 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> cI=DataArrayInt::New();
7256 c->alloc(2*nbOfTuples,1);
7257 cI->alloc(nbOfTuples+1,1);
7258 int *cp=c->getPointer();
7259 int *cip=cI->getPointer();
7261 for(int i=0;i<nbOfTuples;i++)
7263 *cp++=INTERP_KERNEL::NORM_POINT1;
7267 ret->setConnectivity(c,cI,true);
7271 * Creates a new MEDCouplingUMesh by concatenating two given meshes of the same dimension.
7272 * Cells and nodes of
7273 * the first mesh precede cells and nodes of the second mesh within the result mesh.
7274 * \param [in] mesh1 - the first mesh.
7275 * \param [in] mesh2 - the second mesh.
7276 * \return MEDCouplingUMesh * - the result mesh. It is a new instance of
7277 * MEDCouplingUMesh. The caller is to delete this mesh using decrRef() as it
7278 * is no more needed.
7279 * \throw If \a mesh1 == NULL or \a mesh2 == NULL.
7280 * \throw If the coordinates array is not set in none of the meshes.
7281 * \throw If \a mesh1->getMeshDimension() < 0 or \a mesh2->getMeshDimension() < 0.
7282 * \throw If \a mesh1->getMeshDimension() != \a mesh2->getMeshDimension().
7284 MEDCouplingUMesh *MEDCouplingUMesh::MergeUMeshes(const MEDCouplingUMesh *mesh1, const MEDCouplingUMesh *mesh2)
7286 std::vector<const MEDCouplingUMesh *> tmp(2);
7287 tmp[0]=const_cast<MEDCouplingUMesh *>(mesh1); tmp[1]=const_cast<MEDCouplingUMesh *>(mesh2);
7288 return MergeUMeshes(tmp);
7292 * Creates a new MEDCouplingUMesh by concatenating all given meshes of the same dimension.
7293 * Cells and nodes of
7294 * the *i*-th mesh precede cells and nodes of the (*i*+1)-th mesh within the result mesh.
7295 * \param [in] a - a vector of meshes (MEDCouplingUMesh) to concatenate.
7296 * \return MEDCouplingUMesh * - the result mesh. It is a new instance of
7297 * MEDCouplingUMesh. The caller is to delete this mesh using decrRef() as it
7298 * is no more needed.
7299 * \throw If \a a.size() == 0.
7300 * \throw If \a a[ *i* ] == NULL.
7301 * \throw If the coordinates array is not set in none of the meshes.
7302 * \throw If \a a[ *i* ]->getMeshDimension() < 0.
7303 * \throw If the meshes in \a a are of different dimension (getMeshDimension()).
7305 MEDCouplingUMesh *MEDCouplingUMesh::MergeUMeshes(std::vector<const MEDCouplingUMesh *>& a)
7307 std::size_t sz=a.size();
7309 return MergeUMeshesLL(a);
7310 for(std::size_t ii=0;ii<sz;ii++)
7313 std::ostringstream oss; oss << "MEDCouplingUMesh::MergeUMeshes : item #" << ii << " in input array of size "<< sz << " is empty !";
7314 throw INTERP_KERNEL::Exception(oss.str().c_str());
7316 std::vector< MEDCouplingAutoRefCountObjectPtr<MEDCouplingUMesh> > bb(sz);
7317 std::vector< const MEDCouplingUMesh * > aa(sz);
7319 for(std::size_t i=0;i<sz && spaceDim==-3;i++)
7321 const MEDCouplingUMesh *cur=a[i];
7322 const DataArrayDouble *coo=cur->getCoords();
7324 spaceDim=coo->getNumberOfComponents();
7327 throw INTERP_KERNEL::Exception("MEDCouplingUMesh::MergeUMeshes : no spaceDim specified ! unable to perform merge !");
7328 for(std::size_t i=0;i<sz;i++)
7330 bb[i]=a[i]->buildSetInstanceFromThis(spaceDim);
7333 return MergeUMeshesLL(aa);
7338 MEDCouplingUMesh *MEDCouplingUMesh::MergeUMeshesLL(std::vector<const MEDCouplingUMesh *>& a)
7341 throw INTERP_KERNEL::Exception("MEDCouplingUMesh::MergeUMeshes : input array must be NON EMPTY !");
7342 std::vector<const MEDCouplingUMesh *>::const_iterator it=a.begin();
7343 int meshDim=(*it)->getMeshDimension();
7344 int nbOfCells=(*it)->getNumberOfCells();
7345 int meshLgth=(*it++)->getMeshLength();
7346 for(;it!=a.end();it++)
7348 if(meshDim!=(*it)->getMeshDimension())
7349 throw INTERP_KERNEL::Exception("Mesh dimensions mismatches, MergeUMeshes impossible !");
7350 nbOfCells+=(*it)->getNumberOfCells();
7351 meshLgth+=(*it)->getMeshLength();
7353 std::vector<const MEDCouplingPointSet *> aps(a.size());
7354 std::copy(a.begin(),a.end(),aps.begin());
7355 MEDCouplingAutoRefCountObjectPtr<DataArrayDouble> pts=MergeNodesArray(aps);
7356 MEDCouplingAutoRefCountObjectPtr<MEDCouplingUMesh> ret=MEDCouplingUMesh::New("merge",meshDim);
7357 ret->setCoords(pts);
7358 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> c=DataArrayInt::New();
7359 c->alloc(meshLgth,1);
7360 int *cPtr=c->getPointer();
7361 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> cI=DataArrayInt::New();
7362 cI->alloc(nbOfCells+1,1);
7363 int *cIPtr=cI->getPointer();
7367 for(it=a.begin();it!=a.end();it++)
7369 int curNbOfCell=(*it)->getNumberOfCells();
7370 const int *curCI=(*it)->_nodal_connec_index->getConstPointer();
7371 const int *curC=(*it)->_nodal_connec->getConstPointer();
7372 cIPtr=std::transform(curCI+1,curCI+curNbOfCell+1,cIPtr,std::bind2nd(std::plus<int>(),offset));
7373 for(int j=0;j<curNbOfCell;j++)
7375 const int *src=curC+curCI[j];
7377 for(;src!=curC+curCI[j+1];src++,cPtr++)
7385 offset+=curCI[curNbOfCell];
7386 offset2+=(*it)->getNumberOfNodes();
7389 ret->setConnectivity(c,cI,true);
7396 * Creates a new MEDCouplingUMesh by concatenating cells of two given meshes of same
7397 * dimension and sharing the node coordinates array.
7398 * All cells of the first mesh precede all cells of the second mesh
7399 * within the result mesh.
7400 * \param [in] mesh1 - the first mesh.
7401 * \param [in] mesh2 - the second mesh.
7402 * \return MEDCouplingUMesh * - the result mesh. It is a new instance of
7403 * MEDCouplingUMesh. The caller is to delete this mesh using decrRef() as it
7404 * is no more needed.
7405 * \throw If \a mesh1 == NULL or \a mesh2 == NULL.
7406 * \throw If the meshes do not share the node coordinates array.
7407 * \throw If \a mesh1->getMeshDimension() < 0 or \a mesh2->getMeshDimension() < 0.
7408 * \throw If \a mesh1->getMeshDimension() != \a mesh2->getMeshDimension().
7410 MEDCouplingUMesh *MEDCouplingUMesh::MergeUMeshesOnSameCoords(const MEDCouplingUMesh *mesh1, const MEDCouplingUMesh *mesh2)
7412 std::vector<const MEDCouplingUMesh *> tmp(2);
7413 tmp[0]=mesh1; tmp[1]=mesh2;
7414 return MergeUMeshesOnSameCoords(tmp);
7418 * Creates a new MEDCouplingUMesh by concatenating cells of all given meshes of same
7419 * dimension and sharing the node coordinates array.
7420 * All cells of the *i*-th mesh precede all cells of the
7421 * (*i*+1)-th mesh within the result mesh.
7422 * \param [in] a - a vector of meshes (MEDCouplingUMesh) to concatenate.
7423 * \return MEDCouplingUMesh * - the result mesh. It is a new instance of
7424 * MEDCouplingUMesh. The caller is to delete this mesh using decrRef() as it
7425 * is no more needed.
7426 * \throw If \a a.size() == 0.
7427 * \throw If \a a[ *i* ] == NULL.
7428 * \throw If the meshes do not share the node coordinates array.
7429 * \throw If \a a[ *i* ]->getMeshDimension() < 0.
7430 * \throw If the meshes in \a a are of different dimension (getMeshDimension()).
7432 MEDCouplingUMesh *MEDCouplingUMesh::MergeUMeshesOnSameCoords(const std::vector<const MEDCouplingUMesh *>& meshes)
7435 throw INTERP_KERNEL::Exception("meshes input parameter is expected to be non empty.");
7436 for(std::size_t ii=0;ii<meshes.size();ii++)
7439 std::ostringstream oss; oss << "MEDCouplingUMesh::MergeUMeshesOnSameCoords : item #" << ii << " in input array of size "<< meshes.size() << " is empty !";
7440 throw INTERP_KERNEL::Exception(oss.str().c_str());
7442 const DataArrayDouble *coords=meshes.front()->getCoords();
7443 int meshDim=meshes.front()->getMeshDimension();
7444 std::vector<const MEDCouplingUMesh *>::const_iterator iter=meshes.begin();
7446 int meshIndexLgth=0;
7447 for(;iter!=meshes.end();iter++)
7449 if(coords!=(*iter)->getCoords())
7450 throw INTERP_KERNEL::Exception("meshes does not share the same coords ! Try using tryToShareSameCoords method !");
7451 if(meshDim!=(*iter)->getMeshDimension())
7452 throw INTERP_KERNEL::Exception("Mesh dimensions mismatches, FuseUMeshesOnSameCoords impossible !");
7453 meshLgth+=(*iter)->getMeshLength();
7454 meshIndexLgth+=(*iter)->getNumberOfCells();
7456 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> nodal=DataArrayInt::New();
7457 nodal->alloc(meshLgth,1);
7458 int *nodalPtr=nodal->getPointer();
7459 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> nodalIndex=DataArrayInt::New();
7460 nodalIndex->alloc(meshIndexLgth+1,1);
7461 int *nodalIndexPtr=nodalIndex->getPointer();
7463 for(iter=meshes.begin();iter!=meshes.end();iter++)
7465 const int *nod=(*iter)->getNodalConnectivity()->getConstPointer();
7466 const int *index=(*iter)->getNodalConnectivityIndex()->getConstPointer();
7467 int nbOfCells=(*iter)->getNumberOfCells();
7468 int meshLgth2=(*iter)->getMeshLength();
7469 nodalPtr=std::copy(nod,nod+meshLgth2,nodalPtr);
7470 if(iter!=meshes.begin())
7471 nodalIndexPtr=std::transform(index+1,index+nbOfCells+1,nodalIndexPtr,std::bind2nd(std::plus<int>(),offset));
7473 nodalIndexPtr=std::copy(index,index+nbOfCells+1,nodalIndexPtr);
7476 MEDCouplingUMesh *ret=MEDCouplingUMesh::New();
7477 ret->setName("merge");
7478 ret->setMeshDimension(meshDim);
7479 ret->setConnectivity(nodal,nodalIndex,true);
7480 ret->setCoords(coords);
7485 * Creates a new MEDCouplingUMesh by concatenating cells of all given meshes of same
7486 * dimension and sharing the node coordinates array. Cells of the *i*-th mesh precede
7487 * cells of the (*i*+1)-th mesh within the result mesh. Duplicates of cells are
7488 * removed from \a this mesh and arrays mapping between new and old cell ids in "Old to
7489 * New" mode are returned for each input mesh.
7490 * \param [in] meshes - a vector of meshes (MEDCouplingUMesh) to concatenate.
7491 * \param [in] compType - specifies a cell comparison technique. For meaning of its
7492 * valid values [0,1,2], see zipConnectivityTraducer().
7493 * \param [in,out] corr - an array of DataArrayInt, of the same size as \a
7494 * meshes. The *i*-th array describes cell ids mapping for \a meshes[ *i* ]
7495 * mesh. The caller is to delete each of the arrays using decrRef() as it is
7497 * \return MEDCouplingUMesh * - the result mesh. It is a new instance of
7498 * MEDCouplingUMesh. The caller is to delete this mesh using decrRef() as it
7499 * is no more needed.
7500 * \throw If \a meshes.size() == 0.
7501 * \throw If \a meshes[ *i* ] == NULL.
7502 * \throw If the meshes do not share the node coordinates array.
7503 * \throw If \a meshes[ *i* ]->getMeshDimension() < 0.
7504 * \throw If the \a meshes are of different dimension (getMeshDimension()).
7505 * \throw If the nodal connectivity of cells of any of \a meshes is not defined.
7506 * \throw If the nodal connectivity any of \a meshes includes an invalid id.
7508 MEDCouplingUMesh *MEDCouplingUMesh::FuseUMeshesOnSameCoords(const std::vector<const MEDCouplingUMesh *>& meshes, int compType, std::vector<DataArrayInt *>& corr)
7510 //All checks are delegated to MergeUMeshesOnSameCoords
7511 MEDCouplingAutoRefCountObjectPtr<MEDCouplingUMesh> ret=MergeUMeshesOnSameCoords(meshes);
7512 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> o2n=ret->zipConnectivityTraducer(compType);
7513 corr.resize(meshes.size());
7514 std::size_t nbOfMeshes=meshes.size();
7516 const int *o2nPtr=o2n->getConstPointer();
7517 for(std::size_t i=0;i<nbOfMeshes;i++)
7519 DataArrayInt *tmp=DataArrayInt::New();
7520 int curNbOfCells=meshes[i]->getNumberOfCells();
7521 tmp->alloc(curNbOfCells,1);
7522 std::copy(o2nPtr+offset,o2nPtr+offset+curNbOfCells,tmp->getPointer());
7523 offset+=curNbOfCells;
7524 tmp->setName(meshes[i]->getName().c_str());
7531 * Makes all given meshes share the nodal connectivity array. The common connectivity
7532 * array is created by concatenating the connectivity arrays of all given meshes. All
7533 * the given meshes must be of the same space dimension but dimension of cells **can
7534 * differ**. This method is particulary useful in MEDLoader context to build a \ref
7535 * ParaMEDMEM::MEDFileUMesh "MEDFileUMesh" instance that expects that underlying
7536 * MEDCouplingUMesh'es of different dimension share the same nodal connectivity array.
7537 * \param [in,out] meshes - a vector of meshes to update.
7538 * \throw If any of \a meshes is NULL.
7539 * \throw If the coordinates array is not set in any of \a meshes.
7540 * \throw If the nodal connectivity of cells is not defined in any of \a meshes.
7541 * \throw If \a meshes are of different space dimension.
7543 void MEDCouplingUMesh::PutUMeshesOnSameAggregatedCoords(const std::vector<MEDCouplingUMesh *>& meshes)
7545 std::size_t sz=meshes.size();
7548 std::vector< const DataArrayDouble * > coords(meshes.size());
7549 std::vector< const DataArrayDouble * >::iterator it2=coords.begin();
7550 for(std::vector<MEDCouplingUMesh *>::const_iterator it=meshes.begin();it!=meshes.end();it++,it2++)
7554 (*it)->checkConnectivityFullyDefined();
7555 const DataArrayDouble *coo=(*it)->getCoords();
7560 std::ostringstream oss; oss << " MEDCouplingUMesh::PutUMeshesOnSameAggregatedCoords : Item #" << std::distance(meshes.begin(),it) << " inside the vector of length " << meshes.size();
7561 oss << " has no coordinate array defined !";
7562 throw INTERP_KERNEL::Exception(oss.str().c_str());
7567 std::ostringstream oss; oss << " MEDCouplingUMesh::PutUMeshesOnSameAggregatedCoords : Item #" << std::distance(meshes.begin(),it) << " inside the vector of length " << meshes.size();
7568 oss << " is null !";
7569 throw INTERP_KERNEL::Exception(oss.str().c_str());
7572 MEDCouplingAutoRefCountObjectPtr<DataArrayDouble> res=DataArrayDouble::Aggregate(coords);
7573 std::vector<MEDCouplingUMesh *>::const_iterator it=meshes.begin();
7574 int offset=(*it)->getNumberOfNodes();
7575 (*it++)->setCoords(res);
7576 for(;it!=meshes.end();it++)
7578 int oldNumberOfNodes=(*it)->getNumberOfNodes();
7579 (*it)->setCoords(res);
7580 (*it)->shiftNodeNumbersInConn(offset);
7581 offset+=oldNumberOfNodes;
7586 * Merges nodes coincident with a given precision within all given meshes that share
7587 * the nodal connectivity array. The given meshes **can be of different** mesh
7588 * dimension. This method is particulary useful in MEDLoader context to build a \ref
7589 * ParaMEDMEM::MEDFileUMesh "MEDFileUMesh" instance that expects that underlying
7590 * MEDCouplingUMesh'es of different dimension share the same nodal connectivity array.
7591 * \param [in,out] meshes - a vector of meshes to update.
7592 * \param [in] eps - the precision used to detect coincident nodes (infinite norm).
7593 * \throw If any of \a meshes is NULL.
7594 * \throw If the \a meshes do not share the same node coordinates array.
7595 * \throw If the nodal connectivity of cells is not defined in any of \a meshes.
7597 void MEDCouplingUMesh::MergeNodesOnUMeshesSharingSameCoords(const std::vector<MEDCouplingUMesh *>& meshes, double eps)
7601 std::set<const DataArrayDouble *> s;
7602 for(std::vector<MEDCouplingUMesh *>::const_iterator it=meshes.begin();it!=meshes.end();it++)
7605 s.insert((*it)->getCoords());
7608 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 !";
7609 throw INTERP_KERNEL::Exception(oss.str().c_str());
7614 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 !";
7615 throw INTERP_KERNEL::Exception(oss.str().c_str());
7617 const DataArrayDouble *coo=*(s.begin());
7621 DataArrayInt *comm,*commI;
7622 coo->findCommonTuples(eps,-1,comm,commI);
7623 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> tmp1(comm),tmp2(commI);
7624 int oldNbOfNodes=coo->getNumberOfTuples();
7626 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> o2n=DataArrayInt::BuildOld2NewArrayFromSurjectiveFormat2(oldNbOfNodes,comm->begin(),commI->begin(),commI->end(),newNbOfNodes);
7627 if(oldNbOfNodes==newNbOfNodes)
7629 MEDCouplingAutoRefCountObjectPtr<DataArrayDouble> newCoords=coo->renumberAndReduce(o2n->getConstPointer(),newNbOfNodes);
7630 for(std::vector<MEDCouplingUMesh *>::const_iterator it=meshes.begin();it!=meshes.end();it++)
7632 (*it)->renumberNodesInConn(o2n->getConstPointer());
7633 (*it)->setCoords(newCoords);
7638 * 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.
7639 * \param nbOfNodesPerLev in parameter that specifies the number of nodes of one slice of global dataset
7640 * \param isQuad specifies the policy of connectivity.
7641 * @ret in/out parameter in which the result will be append
7643 void MEDCouplingUMesh::AppendExtrudedCell(const int *connBg, const int *connEnd, int nbOfNodesPerLev, bool isQuad, std::vector<int>& ret)
7645 INTERP_KERNEL::NormalizedCellType flatType=(INTERP_KERNEL::NormalizedCellType)connBg[0];
7646 const INTERP_KERNEL::CellModel& cm=INTERP_KERNEL::CellModel::GetCellModel(flatType);
7647 ret.push_back(cm.getExtrudedType());
7648 int deltaz=isQuad?2*nbOfNodesPerLev:nbOfNodesPerLev;
7651 case INTERP_KERNEL::NORM_POINT1:
7653 ret.push_back(connBg[1]);
7654 ret.push_back(connBg[1]+nbOfNodesPerLev);
7657 case INTERP_KERNEL::NORM_SEG2:
7659 int conn[4]={connBg[1],connBg[2],connBg[2]+deltaz,connBg[1]+deltaz};
7660 ret.insert(ret.end(),conn,conn+4);
7663 case INTERP_KERNEL::NORM_SEG3:
7665 int conn[8]={connBg[1],connBg[3],connBg[3]+deltaz,connBg[1]+deltaz,connBg[2],connBg[3]+nbOfNodesPerLev,connBg[2]+deltaz,connBg[1]+nbOfNodesPerLev};
7666 ret.insert(ret.end(),conn,conn+8);
7669 case INTERP_KERNEL::NORM_QUAD4:
7671 int conn[8]={connBg[1],connBg[2],connBg[3],connBg[4],connBg[1]+deltaz,connBg[2]+deltaz,connBg[3]+deltaz,connBg[4]+deltaz};
7672 ret.insert(ret.end(),conn,conn+8);
7675 case INTERP_KERNEL::NORM_TRI3:
7677 int conn[6]={connBg[1],connBg[2],connBg[3],connBg[1]+deltaz,connBg[2]+deltaz,connBg[3]+deltaz};
7678 ret.insert(ret.end(),conn,conn+6);
7681 case INTERP_KERNEL::NORM_TRI6:
7683 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,
7684 connBg[1]+nbOfNodesPerLev,connBg[2]+nbOfNodesPerLev,connBg[3]+nbOfNodesPerLev};
7685 ret.insert(ret.end(),conn,conn+15);
7688 case INTERP_KERNEL::NORM_QUAD8:
7691 connBg[1],connBg[2],connBg[3],connBg[4],connBg[1]+deltaz,connBg[2]+deltaz,connBg[3]+deltaz,connBg[4]+deltaz,
7692 connBg[5],connBg[6],connBg[7],connBg[8],connBg[5]+deltaz,connBg[6]+deltaz,connBg[7]+deltaz,connBg[8]+deltaz,
7693 connBg[1]+nbOfNodesPerLev,connBg[2]+nbOfNodesPerLev,connBg[3]+nbOfNodesPerLev,connBg[4]+nbOfNodesPerLev
7695 ret.insert(ret.end(),conn,conn+20);
7698 case INTERP_KERNEL::NORM_POLYGON:
7700 std::back_insert_iterator< std::vector<int> > ii(ret);
7701 std::copy(connBg+1,connEnd,ii);
7703 std::reverse_iterator<const int *> rConnBg(connEnd);
7704 std::reverse_iterator<const int *> rConnEnd(connBg+1);
7705 std::transform(rConnBg,rConnEnd,ii,std::bind2nd(std::plus<int>(),deltaz));
7706 std::size_t nbOfRadFaces=std::distance(connBg+1,connEnd);
7707 for(std::size_t i=0;i<nbOfRadFaces;i++)
7710 int conn[4]={connBg[(i+1)%nbOfRadFaces+1],connBg[i+1],connBg[i+1]+deltaz,connBg[(i+1)%nbOfRadFaces+1]+deltaz};
7711 std::copy(conn,conn+4,ii);
7716 throw INTERP_KERNEL::Exception("A flat type has been detected that has not its extruded representation !");
7721 * This static operates only for coords in 3D. The polygon is specfied by its connectivity nodes in [ \a begin , \a end ).
7723 bool MEDCouplingUMesh::IsPolygonWellOriented(bool isQuadratic, const double *vec, const int *begin, const int *end, const double *coords)
7725 double v[3]={0.,0.,0.};
7726 std::size_t sz=std::distance(begin,end);
7729 for(std::size_t i=0;i<sz;i++)
7731 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];
7732 v[1]+=coords[3*begin[i]+2]*coords[3*begin[(i+1)%sz]]-coords[3*begin[i]]*coords[3*begin[(i+1)%sz]+2];
7733 v[2]+=coords[3*begin[i]]*coords[3*begin[(i+1)%sz]+1]-coords[3*begin[i]+1]*coords[3*begin[(i+1)%sz]];
7735 return vec[0]*v[0]+vec[1]*v[1]+vec[2]*v[2]>0.;
7739 * The polyhedron is specfied by its connectivity nodes in [ \a begin , \a end ).
7741 bool MEDCouplingUMesh::IsPolyhedronWellOriented(const int *begin, const int *end, const double *coords)
7743 std::vector<std::pair<int,int> > edges;
7744 std::size_t nbOfFaces=std::count(begin,end,-1)+1;
7745 const int *bgFace=begin;
7746 for(std::size_t i=0;i<nbOfFaces;i++)
7748 const int *endFace=std::find(bgFace+1,end,-1);
7749 std::size_t nbOfEdgesInFace=std::distance(bgFace,endFace);
7750 for(std::size_t j=0;j<nbOfEdgesInFace;j++)
7752 std::pair<int,int> p1(bgFace[j],bgFace[(j+1)%nbOfEdgesInFace]);
7753 if(std::find(edges.begin(),edges.end(),p1)!=edges.end())
7755 edges.push_back(p1);
7759 return INTERP_KERNEL::calculateVolumeForPolyh2<int,INTERP_KERNEL::ALL_C_MODE>(begin,(int)std::distance(begin,end),coords)>-EPS_FOR_POLYH_ORIENTATION;
7763 * The 3D extruded static cell (PENTA6,HEXA8,HEXAGP12...) its connectivity nodes in [ \a begin , \a end ).
7765 bool MEDCouplingUMesh::Is3DExtrudedStaticCellWellOriented(const int *begin, const int *end, const double *coords)
7767 double vec0[3],vec1[3];
7768 std::size_t sz=std::distance(begin,end);
7770 throw INTERP_KERNEL::Exception("MEDCouplingUMesh::Is3DExtrudedStaticCellWellOriented : the length of nodal connectivity of extruded cell is not even !");
7771 int nbOfNodes=(int)sz/2;
7772 INTERP_KERNEL::areaVectorOfPolygon<int,INTERP_KERNEL::ALL_C_MODE>(begin,nbOfNodes,coords,vec0);
7773 const double *pt0=coords+3*begin[0];
7774 const double *pt1=coords+3*begin[nbOfNodes];
7775 vec1[0]=pt1[0]-pt0[0]; vec1[1]=pt1[1]-pt0[1]; vec1[2]=pt1[2]-pt0[2];
7776 return (vec0[0]*vec1[0]+vec0[1]*vec1[1]+vec0[2]*vec1[2])<0.;
7779 void MEDCouplingUMesh::CorrectExtrudedStaticCell(int *begin, int *end)
7781 std::size_t sz=std::distance(begin,end);
7782 INTERP_KERNEL::AutoPtr<int> tmp=new int[sz];
7783 std::size_t nbOfNodes(sz/2);
7784 std::copy(begin,end,(int *)tmp);
7785 for(std::size_t j=1;j<nbOfNodes;j++)
7787 begin[j]=tmp[nbOfNodes-j];
7788 begin[j+nbOfNodes]=tmp[nbOfNodes+nbOfNodes-j];
7792 bool MEDCouplingUMesh::IsTetra4WellOriented(const int *begin, const int *end, const double *coords)
7794 std::size_t sz=std::distance(begin,end);
7796 throw INTERP_KERNEL::Exception("MEDCouplingUMesh::IsTetra4WellOriented : Tetra4 cell with not 4 nodes ! Call checkCoherency2 !");
7797 double vec0[3],vec1[3];
7798 const double *pt0=coords+3*begin[0],*pt1=coords+3*begin[1],*pt2=coords+3*begin[2],*pt3=coords+3*begin[3];
7799 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];
7800 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;
7803 bool MEDCouplingUMesh::IsPyra5WellOriented(const int *begin, const int *end, const double *coords)
7805 std::size_t sz=std::distance(begin,end);
7807 throw INTERP_KERNEL::Exception("MEDCouplingUMesh::IsPyra5WellOriented : Pyra5 cell with not 5 nodes ! Call checkCoherency2 !");
7809 INTERP_KERNEL::areaVectorOfPolygon<int,INTERP_KERNEL::ALL_C_MODE>(begin,4,coords,vec0);
7810 const double *pt0=coords+3*begin[0],*pt1=coords+3*begin[4];
7811 return (vec0[0]*(pt1[0]-pt0[0])+vec0[1]*(pt1[1]-pt0[1])+vec0[2]*(pt1[2]-pt0[2]))<0.;
7815 * 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 )
7816 * 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
7819 * \param [in] eps is a relative precision that allows to establish if some 3D plane are coplanar or not.
7820 * \param [in] coords the coordinates with nb of components exactly equal to 3
7821 * \param [in] begin begin of the nodal connectivity (geometric type included) of a single polyhedron cell
7822 * \param [in] end end of nodal connectivity of a single polyhedron cell (excluded)
7823 * \param [out] res the result is put at the end of the vector without any alteration of the data.
7825 void MEDCouplingUMesh::SimplifyPolyhedronCell(double eps, const DataArrayDouble *coords, const int *begin, const int *end, DataArrayInt *res)
7827 int nbFaces=std::count(begin+1,end,-1)+1;
7828 MEDCouplingAutoRefCountObjectPtr<DataArrayDouble> v=DataArrayDouble::New(); v->alloc(nbFaces,3);
7829 double *vPtr=v->getPointer();
7830 MEDCouplingAutoRefCountObjectPtr<DataArrayDouble> p=DataArrayDouble::New(); p->alloc(nbFaces,1);
7831 double *pPtr=p->getPointer();
7832 const int *stFaceConn=begin+1;
7833 for(int i=0;i<nbFaces;i++,vPtr+=3,pPtr++)
7835 const int *endFaceConn=std::find(stFaceConn,end,-1);
7836 ComputeVecAndPtOfFace(eps,coords->getConstPointer(),stFaceConn,endFaceConn,vPtr,pPtr);
7837 stFaceConn=endFaceConn+1;
7839 pPtr=p->getPointer(); vPtr=v->getPointer();
7840 DataArrayInt *comm1=0,*commI1=0;
7841 v->findCommonTuples(eps,-1,comm1,commI1);
7842 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> comm1Auto(comm1),commI1Auto(commI1);
7843 const int *comm1Ptr=comm1->getConstPointer();
7844 const int *commI1Ptr=commI1->getConstPointer();
7845 int nbOfGrps1=commI1Auto->getNumberOfTuples()-1;
7846 res->pushBackSilent((int)INTERP_KERNEL::NORM_POLYHED);
7848 MEDCouplingAutoRefCountObjectPtr<MEDCouplingUMesh> mm=MEDCouplingUMesh::New("",3);
7849 mm->setCoords(const_cast<DataArrayDouble *>(coords)); mm->allocateCells(1); mm->insertNextCell(INTERP_KERNEL::NORM_POLYHED,(int)std::distance(begin+1,end),begin+1);
7850 mm->finishInsertingCells();
7852 for(int i=0;i<nbOfGrps1;i++)
7854 int vecId=comm1Ptr[commI1Ptr[i]];
7855 MEDCouplingAutoRefCountObjectPtr<DataArrayDouble> tmpgrp2=p->selectByTupleId(comm1Ptr+commI1Ptr[i],comm1Ptr+commI1Ptr[i+1]);
7856 DataArrayInt *comm2=0,*commI2=0;
7857 tmpgrp2->findCommonTuples(eps,-1,comm2,commI2);
7858 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> comm2Auto(comm2),commI2Auto(commI2);
7859 const int *comm2Ptr=comm2->getConstPointer();
7860 const int *commI2Ptr=commI2->getConstPointer();
7861 int nbOfGrps2=commI2Auto->getNumberOfTuples()-1;
7862 for(int j=0;j<nbOfGrps2;j++)
7864 if(commI2Ptr[j+1]-commI2Ptr[j]<=1)
7866 res->insertAtTheEnd(begin,end);
7867 res->pushBackSilent(-1);
7871 int pointId=comm1Ptr[commI1Ptr[i]+comm2Ptr[commI2Ptr[j]]];
7872 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> ids2=comm2->selectByTupleId2(commI2Ptr[j],commI2Ptr[j+1],1);
7873 ids2->transformWithIndArr(comm1Ptr+commI1Ptr[i],comm1Ptr+commI1Ptr[i+1]);
7874 DataArrayInt *tmp0=DataArrayInt::New(),*tmp1=DataArrayInt::New(),*tmp2=DataArrayInt::New(),*tmp3=DataArrayInt::New();
7875 MEDCouplingAutoRefCountObjectPtr<MEDCouplingUMesh> mm2=mm->buildDescendingConnectivity(tmp0,tmp1,tmp2,tmp3); tmp0->decrRef(); tmp1->decrRef(); tmp2->decrRef(); tmp3->decrRef();
7876 MEDCouplingAutoRefCountObjectPtr<MEDCouplingUMesh> mm3=static_cast<MEDCouplingUMesh *>(mm2->buildPartOfMySelf(ids2->begin(),ids2->end(),true));
7877 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> idsNodeTmp=mm3->zipCoordsTraducer();
7878 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> idsNode=idsNodeTmp->invertArrayO2N2N2O(mm3->getNumberOfNodes());
7879 const int *idsNodePtr=idsNode->getConstPointer();
7880 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];
7881 double vec[3]; vec[0]=vPtr[3*vecId+1]; vec[1]=-vPtr[3*vecId]; vec[2]=0.;
7882 double norm=vec[0]*vec[0]+vec[1]*vec[1]+vec[2]*vec[2];
7883 if(std::abs(norm)>eps)
7885 double angle=INTERP_KERNEL::EdgeArcCircle::SafeAsin(norm);
7886 mm3->rotate(center,vec,angle);
7888 mm3->changeSpaceDimension(2);
7889 MEDCouplingAutoRefCountObjectPtr<MEDCouplingUMesh> mm4=mm3->buildSpreadZonesWithPoly();
7890 const int *conn4=mm4->getNodalConnectivity()->getConstPointer();
7891 const int *connI4=mm4->getNodalConnectivityIndex()->getConstPointer();
7892 int nbOfCells=mm4->getNumberOfCells();
7893 for(int k=0;k<nbOfCells;k++)
7896 for(const int *work=conn4+connI4[k]+1;work!=conn4+connI4[k+1];work++,l++)
7897 res->pushBackSilent(idsNodePtr[*work]);
7898 res->pushBackSilent(-1);
7903 res->popBackSilent();
7907 * 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
7908 * through origin. The plane is defined by its nodal connectivity [ \b begin, \b end ).
7910 * \param [in] eps below that value the dot product of 2 vectors is considered as colinears
7911 * \param [in] coords coordinates expected to have 3 components.
7912 * \param [in] begin start of the nodal connectivity of the face.
7913 * \param [in] end end of the nodal connectivity (excluded) of the face.
7914 * \param [out] v the normalized vector of size 3
7915 * \param [out] p the pos of plane
7917 void MEDCouplingUMesh::ComputeVecAndPtOfFace(double eps, const double *coords, const int *begin, const int *end, double *v, double *p)
7919 std::size_t nbPoints=std::distance(begin,end);
7921 throw INTERP_KERNEL::Exception("MEDCouplingUMesh::ComputeVecAndPtOfFace : < of 3 points in face ! not able to find a plane on that face !");
7922 double vec[3]={0.,0.,0.};
7924 bool refFound=false;
7925 for(;j<nbPoints-1 && !refFound;j++)
7927 vec[0]=coords[3*begin[j+1]]-coords[3*begin[j]];
7928 vec[1]=coords[3*begin[j+1]+1]-coords[3*begin[j]+1];
7929 vec[2]=coords[3*begin[j+1]+2]-coords[3*begin[j]+2];
7930 double norm=sqrt(vec[0]*vec[0]+vec[1]*vec[1]+vec[2]*vec[2]);
7934 vec[0]/=norm; vec[1]/=norm; vec[2]/=norm;
7937 for(std::size_t i=j;i<nbPoints-1;i++)
7940 curVec[0]=coords[3*begin[i+1]]-coords[3*begin[i]];
7941 curVec[1]=coords[3*begin[i+1]+1]-coords[3*begin[i]+1];
7942 curVec[2]=coords[3*begin[i+1]+2]-coords[3*begin[i]+2];
7943 double norm=sqrt(curVec[0]*curVec[0]+curVec[1]*curVec[1]+curVec[2]*curVec[2]);
7946 curVec[0]/=norm; curVec[1]/=norm; curVec[2]/=norm;
7947 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];
7948 norm=sqrt(v[0]*v[0]+v[1]*v[1]+v[2]*v[2]);
7951 v[0]/=norm; v[1]/=norm; v[2]/=norm;
7952 *p=v[0]*coords[3*begin[i]]+v[1]*coords[3*begin[i]+1]+v[2]*coords[3*begin[i]+2];
7956 throw INTERP_KERNEL::Exception("Not able to find a normal vector of that 3D face !");
7960 * This method tries to obtain a well oriented polyhedron.
7961 * If the algorithm fails, an exception will be thrown.
7963 void MEDCouplingUMesh::TryToCorrectPolyhedronOrientation(int *begin, int *end, const double *coords)
7965 std::list< std::pair<int,int> > edgesOK,edgesFinished;
7966 std::size_t nbOfFaces=std::count(begin,end,-1)+1;
7967 std::vector<bool> isPerm(nbOfFaces,false);//field on faces False: I don't know, True : oriented
7969 int *bgFace=begin,*endFace=std::find(begin+1,end,-1);
7970 std::size_t nbOfEdgesInFace=std::distance(bgFace,endFace);
7971 for(std::size_t l=0;l<nbOfEdgesInFace;l++) { std::pair<int,int> p1(bgFace[l],bgFace[(l+1)%nbOfEdgesInFace]); edgesOK.push_back(p1); }
7973 while(std::find(isPerm.begin(),isPerm.end(),false)!=isPerm.end())
7976 std::size_t smthChanged=0;
7977 for(std::size_t i=0;i<nbOfFaces;i++)
7979 endFace=std::find(bgFace+1,end,-1);
7980 nbOfEdgesInFace=std::distance(bgFace,endFace);
7984 for(std::size_t j=0;j<nbOfEdgesInFace;j++)
7986 std::pair<int,int> p1(bgFace[j],bgFace[(j+1)%nbOfEdgesInFace]);
7987 std::pair<int,int> p2(p1.second,p1.first);
7988 bool b1=std::find(edgesOK.begin(),edgesOK.end(),p1)!=edgesOK.end();
7989 bool b2=std::find(edgesOK.begin(),edgesOK.end(),p2)!=edgesOK.end();
7990 if(b1 || b2) { b=b2; isPerm[i]=true; smthChanged++; break; }
7995 std::reverse(bgFace+1,endFace);
7996 for(std::size_t j=0;j<nbOfEdgesInFace;j++)
7998 std::pair<int,int> p1(bgFace[j],bgFace[(j+1)%nbOfEdgesInFace]);
7999 std::pair<int,int> p2(p1.second,p1.first);
8000 if(std::find(edgesOK.begin(),edgesOK.end(),p1)!=edgesOK.end())
8001 { std::ostringstream oss; oss << "Face #" << j << " of polyhedron looks bad !"; throw INTERP_KERNEL::Exception(oss.str().c_str()); }
8002 if(std::find(edgesFinished.begin(),edgesFinished.end(),p1)!=edgesFinished.end() || std::find(edgesFinished.begin(),edgesFinished.end(),p2)!=edgesFinished.end())
8003 { std::ostringstream oss; oss << "Face #" << j << " of polyhedron looks bad !"; throw INTERP_KERNEL::Exception(oss.str().c_str()); }
8004 std::list< std::pair<int,int> >::iterator it=std::find(edgesOK.begin(),edgesOK.end(),p2);
8005 if(it!=edgesOK.end())
8008 edgesFinished.push_back(p1);
8011 edgesOK.push_back(p1);
8018 { throw INTERP_KERNEL::Exception("The polyhedron looks too bad to be repaired !"); }
8020 if(!edgesOK.empty())
8021 { throw INTERP_KERNEL::Exception("The polyhedron looks too bad to be repaired : Some edges are shared only once !"); }
8022 if(INTERP_KERNEL::calculateVolumeForPolyh2<int,INTERP_KERNEL::ALL_C_MODE>(begin,(int)std::distance(begin,end),coords)<-EPS_FOR_POLYH_ORIENTATION)
8023 {//not lucky ! The first face was not correctly oriented : reorient all faces...
8025 for(std::size_t i=0;i<nbOfFaces;i++)
8027 endFace=std::find(bgFace+1,end,-1);
8028 std::reverse(bgFace+1,endFace);
8035 * This method makes the assumption spacedimension == meshdimension == 2.
8036 * This method works only for linear cells.
8038 * \return a newly allocated array containing the connectivity of a polygon type enum included (NORM_POLYGON in pos#0)
8040 DataArrayInt *MEDCouplingUMesh::buildUnionOf2DMesh() const
8042 if(getMeshDimension()!=2 || getSpaceDimension()!=2)
8043 throw INTERP_KERNEL::Exception("MEDCouplingUMesh::buildUnionOf2DMesh : meshdimension, spacedimension must be equal to 2 !");
8044 MEDCouplingAutoRefCountObjectPtr<MEDCouplingUMesh> m=computeSkin();
8045 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> o2n=m->zipCoordsTraducer();
8046 int nbOfNodesExpected=m->getNumberOfNodes();
8047 if(m->getNumberOfCells()!=nbOfNodesExpected)
8048 throw INTERP_KERNEL::Exception("MEDCouplingUMesh::buildUnionOf2DMesh : the mesh 2D in input appears to be not in a single part or a quadratic 2D mesh !");
8049 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> n2o=o2n->invertArrayO2N2N2O(m->getNumberOfNodes());
8050 const int *n2oPtr=n2o->getConstPointer();
8051 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> revNodal(DataArrayInt::New()),revNodalI(DataArrayInt::New());
8052 m->getReverseNodalConnectivity(revNodal,revNodalI);
8053 const int *revNodalPtr=revNodal->getConstPointer(),*revNodalIPtr=revNodalI->getConstPointer();
8054 const int *nodalPtr=m->getNodalConnectivity()->getConstPointer();
8055 const int *nodalIPtr=m->getNodalConnectivityIndex()->getConstPointer();
8056 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> ret=DataArrayInt::New(); ret->alloc(nbOfNodesExpected+1,1);
8057 int *work=ret->getPointer(); *work++=INTERP_KERNEL::NORM_POLYGON;
8058 if(nbOfNodesExpected<1)
8061 int prevNode=nodalPtr[nodalIPtr[0]+1];
8062 *work++=n2oPtr[prevNode];
8063 for(int i=1;i<nbOfNodesExpected;i++)
8065 if(nodalIPtr[prevCell+1]-nodalIPtr[prevCell]==3)
8067 std::set<int> conn(nodalPtr+nodalIPtr[prevCell]+1,nodalPtr+nodalIPtr[prevCell]+3);
8068 conn.erase(prevNode);
8071 int curNode=*(conn.begin());
8072 *work++=n2oPtr[curNode];
8073 std::set<int> shar(revNodalPtr+revNodalIPtr[curNode],revNodalPtr+revNodalIPtr[curNode+1]);
8074 shar.erase(prevCell);
8077 prevCell=*(shar.begin());
8081 throw INTERP_KERNEL::Exception("MEDCouplingUMesh::buildUnionOf2DMesh : presence of unexpected 2 !");
8084 throw INTERP_KERNEL::Exception("MEDCouplingUMesh::buildUnionOf2DMesh : presence of unexpected 1 !");
8087 throw INTERP_KERNEL::Exception("MEDCouplingUMesh::buildUnionOf2DMesh : presence of unexpected cell !");
8093 * This method makes the assumption spacedimension == meshdimension == 3.
8094 * This method works only for linear cells.
8096 * \return a newly allocated array containing the connectivity of a polygon type enum included (NORM_POLYHED in pos#0)
8098 DataArrayInt *MEDCouplingUMesh::buildUnionOf3DMesh() const
8100 if(getMeshDimension()!=3 || getSpaceDimension()!=3)
8101 throw INTERP_KERNEL::Exception("MEDCouplingUMesh::buildUnionOf3DMesh : meshdimension, spacedimension must be equal to 2 !");
8102 MEDCouplingAutoRefCountObjectPtr<MEDCouplingUMesh> m=computeSkin();
8103 const int *conn=m->getNodalConnectivity()->getConstPointer();
8104 const int *connI=m->getNodalConnectivityIndex()->getConstPointer();
8105 int nbOfCells=m->getNumberOfCells();
8106 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> ret=DataArrayInt::New(); ret->alloc(m->getNodalConnectivity()->getNumberOfTuples(),1);
8107 int *work=ret->getPointer(); *work++=INTERP_KERNEL::NORM_POLYHED;
8110 work=std::copy(conn+connI[0]+1,conn+connI[1],work);
8111 for(int i=1;i<nbOfCells;i++)
8114 work=std::copy(conn+connI[i]+1,conn+connI[i+1],work);
8120 * This method put in zip format into parameter 'zipFrmt' in full interlace mode.
8121 * This format is often asked by INTERP_KERNEL algorithms to avoid many indirections into coordinates array.
8123 void MEDCouplingUMesh::FillInCompact3DMode(int spaceDim, int nbOfNodesInCell, const int *conn, const double *coo, double *zipFrmt)
8127 for(int i=0;i<nbOfNodesInCell;i++)
8128 w=std::copy(coo+3*conn[i],coo+3*conn[i]+3,w);
8129 else if(spaceDim==2)
8131 for(int i=0;i<nbOfNodesInCell;i++)
8133 w=std::copy(coo+2*conn[i],coo+2*conn[i]+2,w);
8138 throw INTERP_KERNEL::Exception("MEDCouplingUMesh::FillInCompact3DMode : Invalid spaceDim specified : must be 2 or 3 !");
8141 void MEDCouplingUMesh::writeVTKLL(std::ostream& ofs, const std::string& cellData, const std::string& pointData, DataArrayByte *byteData) const
8143 int nbOfCells=getNumberOfCells();
8145 throw INTERP_KERNEL::Exception("MEDCouplingUMesh::writeVTK : the unstructured mesh has no cells !");
8146 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,-1,4};
8147 ofs << " <" << getVTKDataSetType() << ">\n";
8148 ofs << " <Piece NumberOfPoints=\"" << getNumberOfNodes() << "\" NumberOfCells=\"" << nbOfCells << "\">\n";
8149 ofs << " <PointData>\n" << pointData << std::endl;
8150 ofs << " </PointData>\n";
8151 ofs << " <CellData>\n" << cellData << std::endl;
8152 ofs << " </CellData>\n";
8153 ofs << " <Points>\n";
8154 if(getSpaceDimension()==3)
8155 _coords->writeVTK(ofs,8,"Points",byteData);
8158 MEDCouplingAutoRefCountObjectPtr<DataArrayDouble> coo=_coords->changeNbOfComponents(3,0.);
8159 coo->writeVTK(ofs,8,"Points",byteData);
8161 ofs << " </Points>\n";
8162 ofs << " <Cells>\n";
8163 const int *cPtr=_nodal_connec->getConstPointer();
8164 const int *cIPtr=_nodal_connec_index->getConstPointer();
8165 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> faceoffsets=DataArrayInt::New(); faceoffsets->alloc(nbOfCells,1);
8166 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> types=DataArrayInt::New(); types->alloc(nbOfCells,1);
8167 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> offsets=DataArrayInt::New(); offsets->alloc(nbOfCells,1);
8168 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> connectivity=DataArrayInt::New(); connectivity->alloc(_nodal_connec->getNumberOfTuples()-nbOfCells,1);
8169 int *w1=faceoffsets->getPointer(),*w2=types->getPointer(),*w3=offsets->getPointer(),*w4=connectivity->getPointer();
8170 int szFaceOffsets=0,szConn=0;
8171 for(int i=0;i<nbOfCells;i++,w1++,w2++,w3++)
8174 if((INTERP_KERNEL::NormalizedCellType)cPtr[cIPtr[i]]!=INTERP_KERNEL::NORM_POLYHED)
8177 *w3=szConn+cIPtr[i+1]-cIPtr[i]-1; szConn+=cIPtr[i+1]-cIPtr[i]-1;
8178 w4=std::copy(cPtr+cIPtr[i]+1,cPtr+cIPtr[i+1],w4);
8182 int deltaFaceOffset=cIPtr[i+1]-cIPtr[i]+1;
8183 *w1=szFaceOffsets+deltaFaceOffset; szFaceOffsets+=deltaFaceOffset;
8184 std::set<int> c(cPtr+cIPtr[i]+1,cPtr+cIPtr[i+1]); c.erase(-1);
8185 *w3=szConn+(int)c.size(); szConn+=(int)c.size();
8186 w4=std::copy(c.begin(),c.end(),w4);
8189 types->transformWithIndArr(PARAMEDMEM2VTKTYPETRADUCER,PARAMEDMEM2VTKTYPETRADUCER+INTERP_KERNEL::NORM_MAXTYPE);
8190 types->writeVTK(ofs,8,"UInt8","types",byteData);
8191 offsets->writeVTK(ofs,8,"Int32","offsets",byteData);
8192 if(szFaceOffsets!=0)
8193 {//presence of Polyhedra
8194 connectivity->reAlloc(szConn);
8195 faceoffsets->writeVTK(ofs,8,"Int32","faceoffsets",byteData);
8196 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> faces=DataArrayInt::New(); faces->alloc(szFaceOffsets,1);
8197 w1=faces->getPointer();
8198 for(int i=0;i<nbOfCells;i++)
8199 if((INTERP_KERNEL::NormalizedCellType)cPtr[cIPtr[i]]==INTERP_KERNEL::NORM_POLYHED)
8201 int nbFaces=std::count(cPtr+cIPtr[i]+1,cPtr+cIPtr[i+1],-1)+1;
8203 const int *w6=cPtr+cIPtr[i]+1,*w5=0;
8204 for(int j=0;j<nbFaces;j++)
8206 w5=std::find(w6,cPtr+cIPtr[i+1],-1);
8207 *w1++=(int)std::distance(w6,w5);
8208 w1=std::copy(w6,w5,w1);
8212 faces->writeVTK(ofs,8,"Int32","faces",byteData);
8214 connectivity->writeVTK(ofs,8,"Int32","connectivity",byteData);
8215 ofs << " </Cells>\n";
8216 ofs << " </Piece>\n";
8217 ofs << " </" << getVTKDataSetType() << ">\n";
8220 void MEDCouplingUMesh::reprQuickOverview(std::ostream& stream) const
8222 stream << "MEDCouplingUMesh C++ instance at " << this << ". Name : \"" << getName() << "\".";
8224 { stream << " Not set !"; return ; }
8225 stream << " Mesh dimension : " << _mesh_dim << ".";
8229 { stream << " No coordinates set !"; return ; }
8230 if(!_coords->isAllocated())
8231 { stream << " Coordinates set but not allocated !"; return ; }
8232 stream << " Space dimension : " << _coords->getNumberOfComponents() << "." << std::endl;
8233 stream << "Number of nodes : " << _coords->getNumberOfTuples() << ".";
8234 if(!_nodal_connec_index)
8235 { stream << std::endl << "Nodal connectivity NOT set !"; return ; }
8236 if(!_nodal_connec_index->isAllocated())
8237 { stream << std::endl << "Nodal connectivity set but not allocated !"; return ; }
8238 int lgth=_nodal_connec_index->getNumberOfTuples();
8239 int cpt=_nodal_connec_index->getNumberOfComponents();
8240 if(cpt!=1 || lgth<1)
8242 stream << std::endl << "Number of cells : " << lgth-1 << ".";
8245 std::string MEDCouplingUMesh::getVTKDataSetType() const
8247 return std::string("UnstructuredGrid");
8251 * Partitions the first given 2D mesh using the second given 2D mesh as a tool, and
8252 * returns a result mesh constituted by polygons. The meshes should be in 2D space. In
8253 * addition, returns two arrays mapping cells of the result mesh to cells of the input
8255 * \param [in] m1 - the first input mesh which is a partitioned object.
8256 * \param [in] m2 - the second input mesh which is a partition tool.
8257 * \param [in] eps - precision used to detect coincident mesh entities.
8258 * \param [out] cellNb1 - a new instance of DataArrayInt holding for each result
8259 * cell an id of the cell of \a m1 it comes from. The caller is to delete
8260 * this array using decrRef() as it is no more needed.
8261 * \param [out] cellNb2 - a new instance of DataArrayInt holding for each result
8262 * cell an id of the cell of \a m2 it comes from. -1 value means that a
8263 * result cell comes from a cell (or part of cell) of \a m1 not overlapped by
8264 * any cell of \a m2. The caller is to delete this array using decrRef() as
8265 * it is no more needed.
8266 * \return MEDCouplingUMesh * - the result 2D mesh which is a new instance of
8267 * MEDCouplingUMesh. The caller is to delete this mesh using decrRef() as it
8268 * is no more needed.
8269 * \throw If the coordinates array is not set in any of the meshes.
8270 * \throw If the nodal connectivity of cells is not defined in any of the meshes.
8271 * \throw If any of the meshes is not a 2D mesh in 2D space.
8273 MEDCouplingUMesh *MEDCouplingUMesh::Intersect2DMeshes(const MEDCouplingUMesh *m1, const MEDCouplingUMesh *m2, double eps, DataArrayInt *&cellNb1, DataArrayInt *&cellNb2)
8275 m1->checkFullyDefined();
8276 m2->checkFullyDefined();
8277 if(m1->getMeshDimension()!=2 || m1->getSpaceDimension()!=2 || m2->getMeshDimension()!=2 || m2->getSpaceDimension()!=2)
8278 throw INTERP_KERNEL::Exception("MEDCouplingUMesh::Intersect2DMeshes works on umeshes m1 AND m2 with meshdim equal to 2 and spaceDim equal to 2 too!");
8279 std::vector< std::vector<int> > intersectEdge1, colinear2, subDiv2;
8280 MEDCouplingUMesh *m1Desc=0,*m2Desc=0;
8281 DataArrayInt *desc1=0,*descIndx1=0,*revDesc1=0,*revDescIndx1=0,*desc2=0,*descIndx2=0,*revDesc2=0,*revDescIndx2=0;
8282 std::vector<double> addCoo,addCoordsQuadratic;
8283 INTERP_KERNEL::QUADRATIC_PLANAR::_precision=eps;
8284 INTERP_KERNEL::QUADRATIC_PLANAR::_arc_detection_precision=eps;
8285 IntersectDescending2DMeshes(m1,m2,eps,intersectEdge1,colinear2, subDiv2,m1Desc,desc1,descIndx1,revDesc1,revDescIndx1,
8286 m2Desc,desc2,descIndx2,revDesc2,revDescIndx2,addCoo);
8287 revDesc1->decrRef(); revDescIndx1->decrRef(); revDesc2->decrRef(); revDescIndx2->decrRef();
8288 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> dd1(desc1),dd2(descIndx1),dd3(desc2),dd4(descIndx2);
8289 MEDCouplingAutoRefCountObjectPtr<MEDCouplingUMesh> dd5(m1Desc),dd6(m2Desc);
8290 std::vector< std::vector<int> > intersectEdge2;
8291 BuildIntersectEdges(m1Desc,m2Desc,addCoo,subDiv2,intersectEdge2);
8292 subDiv2.clear(); dd5=0; dd6=0;
8293 std::vector<int> cr,crI; //no DataArrayInt because interface with Geometric2D
8294 std::vector<int> cNb1,cNb2; //no DataArrayInt because interface with Geometric2D
8295 BuildIntersecting2DCellsFromEdges(eps,m1,desc1->getConstPointer(),descIndx1->getConstPointer(),intersectEdge1,colinear2,m2,desc2->getConstPointer(),descIndx2->getConstPointer(),intersectEdge2,addCoo,
8296 /* outputs -> */addCoordsQuadratic,cr,crI,cNb1,cNb2);
8298 MEDCouplingAutoRefCountObjectPtr<DataArrayDouble> addCooDa=DataArrayDouble::New();
8299 addCooDa->alloc((int)(addCoo.size())/2,2);
8300 std::copy(addCoo.begin(),addCoo.end(),addCooDa->getPointer());
8301 MEDCouplingAutoRefCountObjectPtr<DataArrayDouble> addCoordsQuadraticDa=DataArrayDouble::New();
8302 addCoordsQuadraticDa->alloc((int)(addCoordsQuadratic.size())/2,2);
8303 std::copy(addCoordsQuadratic.begin(),addCoordsQuadratic.end(),addCoordsQuadraticDa->getPointer());
8304 std::vector<const DataArrayDouble *> coordss(4);
8305 coordss[0]=m1->getCoords(); coordss[1]=m2->getCoords(); coordss[2]=addCooDa; coordss[3]=addCoordsQuadraticDa;
8306 MEDCouplingAutoRefCountObjectPtr<DataArrayDouble> coo=DataArrayDouble::Aggregate(coordss);
8307 MEDCouplingAutoRefCountObjectPtr<MEDCouplingUMesh> ret=MEDCouplingUMesh::New("Intersect2D",2);
8308 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> conn=DataArrayInt::New(); conn->alloc((int)cr.size(),1); std::copy(cr.begin(),cr.end(),conn->getPointer());
8309 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> connI=DataArrayInt::New(); connI->alloc((int)crI.size(),1); std::copy(crI.begin(),crI.end(),connI->getPointer());
8310 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> c1=DataArrayInt::New(); c1->alloc((int)cNb1.size(),1); std::copy(cNb1.begin(),cNb1.end(),c1->getPointer());
8311 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> c2=DataArrayInt::New(); c2->alloc((int)cNb2.size(),1); std::copy(cNb2.begin(),cNb2.end(),c2->getPointer());
8312 ret->setConnectivity(conn,connI,true);
8313 ret->setCoords(coo);
8314 cellNb1=c1.retn(); cellNb2=c2.retn();
8318 void MEDCouplingUMesh::BuildIntersecting2DCellsFromEdges(double eps, const MEDCouplingUMesh *m1, const int *desc1, const int *descIndx1,
8319 const std::vector<std::vector<int> >& intesctEdges1, const std::vector< std::vector<int> >& colinear2,
8320 const MEDCouplingUMesh *m2, const int *desc2, const int *descIndx2, const std::vector<std::vector<int> >& intesctEdges2,
8321 const std::vector<double>& addCoords,
8322 std::vector<double>& addCoordsQuadratic, std::vector<int>& cr, std::vector<int>& crI, std::vector<int>& cNb1, std::vector<int>& cNb2)
8324 static const int SPACEDIM=2;
8325 const double *coo1=m1->getCoords()->getConstPointer();
8326 const int *conn1=m1->getNodalConnectivity()->getConstPointer();
8327 const int *connI1=m1->getNodalConnectivityIndex()->getConstPointer();
8328 int offset1=m1->getNumberOfNodes();
8329 const double *coo2=m2->getCoords()->getConstPointer();
8330 const int *conn2=m2->getNodalConnectivity()->getConstPointer();
8331 const int *connI2=m2->getNodalConnectivityIndex()->getConstPointer();
8332 int offset2=offset1+m2->getNumberOfNodes();
8333 int offset3=offset2+((int)addCoords.size())/2;
8334 MEDCouplingAutoRefCountObjectPtr<DataArrayDouble> bbox1Arr(m1->getBoundingBoxForBBTree()),bbox2Arr(m2->getBoundingBoxForBBTree());
8335 const double *bbox1(bbox1Arr->begin()),*bbox2(bbox2Arr->begin());
8336 BBTree<SPACEDIM,int> myTree(bbox2,0,0,m2->getNumberOfCells(),eps);
8337 int ncell1=m1->getNumberOfCells();
8339 for(int i=0;i<ncell1;i++)
8341 std::vector<int> candidates2;
8342 myTree.getIntersectingElems(bbox1+i*2*SPACEDIM,candidates2);
8343 std::map<INTERP_KERNEL::Node *,int> mapp;
8344 std::map<int,INTERP_KERNEL::Node *> mappRev;
8345 INTERP_KERNEL::QuadraticPolygon pol1;
8346 INTERP_KERNEL::NormalizedCellType typ=(INTERP_KERNEL::NormalizedCellType)conn1[connI1[i]];
8347 const INTERP_KERNEL::CellModel& cm=INTERP_KERNEL::CellModel::GetCellModel(typ);
8348 MEDCouplingUMeshBuildQPFromMesh3(coo1,offset1,coo2,offset2,addCoords,desc1+descIndx1[i],desc1+descIndx1[i+1],intesctEdges1,/* output */mapp,mappRev);
8349 pol1.buildFromCrudeDataArray(mappRev,cm.isQuadratic(),conn1+connI1[i]+1,coo1,
8350 desc1+descIndx1[i],desc1+descIndx1[i+1],intesctEdges1);
8352 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
8353 std::set<INTERP_KERNEL::Edge *> edgesBoundary2;// store all edges that are on boundary of (pol2 intersect pol1) minus edges on pol1.
8354 INTERP_KERNEL::IteratorOnComposedEdge it1(&pol1);
8355 for(it1.first();!it1.finished();it1.next())
8356 edges1.insert(it1.current()->getPtr());
8358 std::map<int,std::vector<INTERP_KERNEL::ElementaryEdge *> > edgesIn2ForShare;
8359 std::vector<INTERP_KERNEL::QuadraticPolygon> pol2s(candidates2.size());
8361 for(std::vector<int>::const_iterator it2=candidates2.begin();it2!=candidates2.end();it2++,ii++)
8363 INTERP_KERNEL::NormalizedCellType typ2=(INTERP_KERNEL::NormalizedCellType)conn2[connI2[*it2]];
8364 const INTERP_KERNEL::CellModel& cm2=INTERP_KERNEL::CellModel::GetCellModel(typ2);
8365 MEDCouplingUMeshBuildQPFromMesh3(coo1,offset1,coo2,offset2,addCoords,desc2+descIndx2[*it2],desc2+descIndx2[*it2+1],intesctEdges2,/* output */mapp,mappRev);
8366 pol2s[ii].buildFromCrudeDataArray2(mappRev,cm2.isQuadratic(),conn2+connI2[*it2]+1,coo2,desc2+descIndx2[*it2],desc2+descIndx2[*it2+1],intesctEdges2,
8367 pol1,desc1+descIndx1[i],desc1+descIndx1[i+1],intesctEdges1,colinear2,edgesIn2ForShare);
8370 for(std::vector<int>::const_iterator it2=candidates2.begin();it2!=candidates2.end();it2++,ii++)
8372 pol1.initLocationsWithOther(pol2s[ii]);
8373 pol2s[ii].updateLocOfEdgeFromCrudeDataArray2(desc2+descIndx2[*it2],desc2+descIndx2[*it2+1],intesctEdges2,pol1,desc1+descIndx1[i],desc1+descIndx1[i+1],intesctEdges1,colinear2);
8374 //MEDCouplingUMeshAssignOnLoc(pol1,pol2,desc1+descIndx1[i],desc1+descIndx1[i+1],intesctEdges1,desc2+descIndx2[*it2],desc2+descIndx2[*it2+1],intesctEdges2,colinear2);
8375 pol1.buildPartitionsAbs(pol2s[ii],edges1,edgesBoundary2,mapp,i,*it2,offset3,addCoordsQuadratic,cr,crI,cNb1,cNb2);
8381 INTERP_KERNEL::QuadraticPolygon::ComputeResidual(pol1,edges1,edgesBoundary2,mapp,offset3,i,addCoordsQuadratic,cr,crI,cNb1,cNb2);
8383 catch(INTERP_KERNEL::Exception& e)
8385 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();
8386 throw INTERP_KERNEL::Exception(oss.str().c_str());
8389 for(std::map<int,INTERP_KERNEL::Node *>::const_iterator it=mappRev.begin();it!=mappRev.end();it++)
8390 (*it).second->decrRef();
8395 * This method is private and is the first step of Partition of 2D mesh (spaceDim==2 and meshDim==2).
8398 void MEDCouplingUMesh::IntersectDescending2DMeshes(const MEDCouplingUMesh *m1, const MEDCouplingUMesh *m2, double eps,
8399 std::vector< std::vector<int> >& intersectEdge1, std::vector< std::vector<int> >& colinear2, std::vector< std::vector<int> >& subDiv2,
8400 MEDCouplingUMesh *& m1Desc, DataArrayInt *&desc1, DataArrayInt *&descIndx1, DataArrayInt *&revDesc1, DataArrayInt *&revDescIndx1,
8401 MEDCouplingUMesh *& m2Desc, DataArrayInt *&desc2, DataArrayInt *&descIndx2, DataArrayInt *&revDesc2, DataArrayInt *&revDescIndx2,
8402 std::vector<double>& addCoo) throw(INTERP_KERNEL::Exception)
8404 static const int SPACEDIM=2;
8405 desc1=DataArrayInt::New(); descIndx1=DataArrayInt::New(); revDesc1=DataArrayInt::New(); revDescIndx1=DataArrayInt::New();
8406 desc2=DataArrayInt::New();
8407 descIndx2=DataArrayInt::New();
8408 revDesc2=DataArrayInt::New();
8409 revDescIndx2=DataArrayInt::New();
8410 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> dd1(desc1),dd2(descIndx1),dd3(revDesc1),dd4(revDescIndx1);
8411 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> dd5(desc2),dd6(descIndx2),dd7(revDesc2),dd8(revDescIndx2);
8412 m1Desc=m1->buildDescendingConnectivity2(desc1,descIndx1,revDesc1,revDescIndx1);
8413 m2Desc=m2->buildDescendingConnectivity2(desc2,descIndx2,revDesc2,revDescIndx2);
8414 MEDCouplingAutoRefCountObjectPtr<MEDCouplingUMesh> dd9(m1Desc),dd10(m2Desc);
8415 const int *c1=m1Desc->getNodalConnectivity()->getConstPointer();
8416 const int *ci1=m1Desc->getNodalConnectivityIndex()->getConstPointer();
8417 MEDCouplingAutoRefCountObjectPtr<DataArrayDouble> bbox1Arr(m1Desc->getBoundingBoxForBBTree()),bbox2Arr(m2Desc->getBoundingBoxForBBTree());
8418 const double *bbox1(bbox1Arr->begin()),*bbox2(bbox2Arr->begin());
8419 int ncell1=m1Desc->getNumberOfCells();
8420 int ncell2=m2Desc->getNumberOfCells();
8421 intersectEdge1.resize(ncell1);
8422 colinear2.resize(ncell2);
8423 subDiv2.resize(ncell2);
8424 BBTree<SPACEDIM,int> myTree(bbox2,0,0,m2Desc->getNumberOfCells(),-eps);
8425 std::vector<int> candidates1(1);
8426 int offset1=m1->getNumberOfNodes();
8427 int offset2=offset1+m2->getNumberOfNodes();
8428 for(int i=0;i<ncell1;i++)
8430 std::vector<int> candidates2;
8431 myTree.getIntersectingElems(bbox1+i*2*SPACEDIM,candidates2);
8432 if(!candidates2.empty())
8434 std::map<INTERP_KERNEL::Node *,int> map1,map2;
8435 INTERP_KERNEL::QuadraticPolygon *pol2=MEDCouplingUMeshBuildQPFromMesh(m2Desc,candidates2,map2);
8437 INTERP_KERNEL::QuadraticPolygon *pol1=MEDCouplingUMeshBuildQPFromMesh(m1Desc,candidates1,map1);
8438 // 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
8439 // This trick garanties that Node * are discriminant
8440 std::set<INTERP_KERNEL::Node *> nodes;
8441 pol1->getAllNodes(nodes); pol2->getAllNodes(nodes);
8442 std::size_t szz(nodes.size());
8443 std::vector< MEDCouplingAutoRefCountObjectPtr<INTERP_KERNEL::Node> > nodesSafe(szz);
8444 std::set<INTERP_KERNEL::Node *>::const_iterator itt(nodes.begin());
8445 for(std::size_t iii=0;iii<szz;iii++,itt++)
8446 { (*itt)->incrRef(); nodesSafe[iii]=*itt; }
8447 // end of protection
8448 pol1->splitAbs(*pol2,map1,map2,offset1,offset2,candidates2,intersectEdge1[i],i,colinear2,subDiv2,addCoo);
8453 intersectEdge1[i].insert(intersectEdge1[i].end(),c1+ci1[i]+1,c1+ci1[i+1]);
8455 m1Desc->incrRef(); desc1->incrRef(); descIndx1->incrRef(); revDesc1->incrRef(); revDescIndx1->incrRef();
8456 m2Desc->incrRef(); desc2->incrRef(); descIndx2->incrRef(); revDesc2->incrRef(); revDescIndx2->incrRef();
8460 * This method performs the 2nd step of Partition of 2D mesh.
8461 * This method has 4 inputs :
8462 * - a mesh 'm1' with meshDim==1 and a SpaceDim==2
8463 * - a mesh 'm2' with meshDim==1 and a SpaceDim==2
8464 * - subDiv of size 'm2->getNumberOfCells()' that lists for each seg cell in 'm' the splitting node ids in randomly sorted.
8465 * 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'
8466 * \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'
8467 * \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.
8468 * \param addCoo input parameter with additionnal nodes linked to intersection of the 2 meshes.
8470 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)
8472 int offset1=m1->getNumberOfNodes();
8473 int ncell=m2->getNumberOfCells();
8474 const int *c=m2->getNodalConnectivity()->getConstPointer();
8475 const int *cI=m2->getNodalConnectivityIndex()->getConstPointer();
8476 const double *coo=m2->getCoords()->getConstPointer();
8477 const double *cooBis=m1->getCoords()->getConstPointer();
8478 int offset2=offset1+m2->getNumberOfNodes();
8479 intersectEdge.resize(ncell);
8480 for(int i=0;i<ncell;i++,cI++)
8482 const std::vector<int>& divs=subDiv[i];
8483 int nnode=cI[1]-cI[0]-1;
8484 std::map<int, std::pair<INTERP_KERNEL::Node *,bool> > mapp2;
8485 std::map<INTERP_KERNEL::Node *, int> mapp22;
8486 for(int j=0;j<nnode;j++)
8488 INTERP_KERNEL::Node *nn=new INTERP_KERNEL::Node(coo[2*c[(*cI)+j+1]],coo[2*c[(*cI)+j+1]+1]);
8489 int nnid=c[(*cI)+j+1];
8490 mapp2[nnid]=std::pair<INTERP_KERNEL::Node *,bool>(nn,true);
8491 mapp22[nn]=nnid+offset1;
8493 INTERP_KERNEL::Edge *e=MEDCouplingUMeshBuildQPFromEdge((INTERP_KERNEL::NormalizedCellType)c[*cI],mapp2,c+(*cI)+1);
8494 for(std::map<int, std::pair<INTERP_KERNEL::Node *,bool> >::const_iterator it=mapp2.begin();it!=mapp2.end();it++)
8495 ((*it).second.first)->decrRef();
8496 std::vector<INTERP_KERNEL::Node *> addNodes(divs.size());
8497 std::map<INTERP_KERNEL::Node *,int> mapp3;
8498 for(std::size_t j=0;j<divs.size();j++)
8501 INTERP_KERNEL::Node *tmp=0;
8503 tmp=new INTERP_KERNEL::Node(cooBis[2*id],cooBis[2*id+1]);
8505 tmp=new INTERP_KERNEL::Node(coo[2*(id-offset1)],coo[2*(id-offset1)+1]);//if it happens, bad news mesh 'm2' is non conform.
8507 tmp=new INTERP_KERNEL::Node(addCoo[2*(id-offset2)],addCoo[2*(id-offset2)+1]);
8511 e->sortIdsAbs(addNodes,mapp22,mapp3,intersectEdge[i]);
8512 for(std::vector<INTERP_KERNEL::Node *>::const_iterator it=addNodes.begin();it!=addNodes.end();it++)
8519 * 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).
8520 * 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
8521 * with a plane. The result will be put in 'cut3DSuf' out parameter.
8522 * \param [in] cut3DCurve input paramter that gives for each 3DCurve cell if it owns fully to the plane or partially.
8523 * \param [out] nodesOnPlane, returns all the nodes that are on the plane.
8524 * \param [in] nodal3DSurf is the nodal connectivity of 3D surf mesh.
8525 * \param [in] nodalIndx3DSurf is the nodal connectivity index of 3D surf mesh.
8526 * \param [in] nodal3DCurve is the nodal connectivity of 3D curve mesh.
8527 * \param [in] nodal3DIndxCurve is the nodal connectivity index of 3D curve mesh.
8528 * \param [in] desc is the descending connectivity 3DSurf->3DCurve
8529 * \param [in] descIndx is the descending connectivity index 3DSurf->3DCurve
8530 * \param [out] cut3DSuf input/output param.
8532 void MEDCouplingUMesh::AssemblyForSplitFrom3DCurve(const std::vector<int>& cut3DCurve, std::vector<int>& nodesOnPlane, const int *nodal3DSurf, const int *nodalIndx3DSurf,
8533 const int *nodal3DCurve, const int *nodalIndx3DCurve,
8534 const int *desc, const int *descIndx,
8535 std::vector< std::pair<int,int> >& cut3DSurf) throw(INTERP_KERNEL::Exception)
8537 std::set<int> nodesOnP(nodesOnPlane.begin(),nodesOnPlane.end());
8538 int nbOf3DSurfCell=(int)cut3DSurf.size();
8539 for(int i=0;i<nbOf3DSurfCell;i++)
8541 std::vector<int> res;
8542 int offset=descIndx[i];
8543 int nbOfSeg=descIndx[i+1]-offset;
8544 for(int j=0;j<nbOfSeg;j++)
8546 int edgeId=desc[offset+j];
8547 int status=cut3DCurve[edgeId];
8551 res.push_back(status);
8554 res.push_back(nodal3DCurve[nodalIndx3DCurve[edgeId]+1]);
8555 res.push_back(nodal3DCurve[nodalIndx3DCurve[edgeId]+2]);
8563 cut3DSurf[i].first=res[0]; cut3DSurf[i].second=res[1];
8569 std::set<int> s1(nodal3DSurf+nodalIndx3DSurf[i]+1,nodal3DSurf+nodalIndx3DSurf[i+1]);
8570 std::set_intersection(nodesOnP.begin(),nodesOnP.end(),s1.begin(),s1.end(),std::back_insert_iterator< std::vector<int> >(res));
8573 cut3DSurf[i].first=res[0]; cut3DSurf[i].second=res[1];
8577 cut3DSurf[i].first=-1; cut3DSurf[i].second=-1;
8582 {// case when plane is on a multi colinear edge of a polyhedron
8583 if((int)res.size()==2*nbOfSeg)
8585 cut3DSurf[i].first=-2; cut3DSurf[i].second=i;
8588 throw INTERP_KERNEL::Exception("MEDCouplingUMesh::AssemblyPointsFrom3DCurve : unexpected situation !");
8595 * \a this is expected to be a mesh with spaceDim==3 and meshDim==3. If not an exception will be thrown.
8596 * 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).
8597 * 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
8598 * with a plane. The result will be put in 'nodalRes' 'nodalResIndx' and 'cellIds' out parameters.
8599 * \param cut3DSurf input paramter that gives for each 3DSurf its intersection with plane (result of MEDCouplingUMesh::AssemblyForSplitFrom3DCurve).
8600 * \param desc is the descending connectivity 3D->3DSurf
8601 * \param descIndx is the descending connectivity index 3D->3DSurf
8603 void MEDCouplingUMesh::assemblyForSplitFrom3DSurf(const std::vector< std::pair<int,int> >& cut3DSurf,
8604 const int *desc, const int *descIndx,
8605 DataArrayInt *nodalRes, DataArrayInt *nodalResIndx, DataArrayInt *cellIds) const throw(INTERP_KERNEL::Exception)
8607 checkFullyDefined();
8608 if(getMeshDimension()!=3 || getSpaceDimension()!=3)
8609 throw INTERP_KERNEL::Exception("MEDCouplingUMesh::assemblyForSplitFrom3DSurf works on umeshes with meshdim equal to 3 and spaceDim equal to 3 too!");
8610 const int *nodal3D=_nodal_connec->getConstPointer();
8611 const int *nodalIndx3D=_nodal_connec_index->getConstPointer();
8612 int nbOfCells=getNumberOfCells();
8613 for(int i=0;i<nbOfCells;i++)
8615 std::map<int, std::set<int> > m;
8616 int offset=descIndx[i];
8617 int nbOfFaces=descIndx[i+1]-offset;
8620 for(int j=0;j<nbOfFaces;j++)
8622 const std::pair<int,int>& p=cut3DSurf[desc[offset+j]];
8623 if(p.first!=-1 && p.second!=-1)
8627 start=p.first; end=p.second;
8628 m[p.first].insert(p.second);
8629 m[p.second].insert(p.first);
8633 const INTERP_KERNEL::CellModel& cm=INTERP_KERNEL::CellModel::GetCellModel((INTERP_KERNEL::NormalizedCellType)nodal3D[nodalIndx3D[i]]);
8634 int sz=nodalIndx3D[i+1]-nodalIndx3D[i]-1;
8635 INTERP_KERNEL::AutoPtr<int> tmp=new int[sz];
8636 INTERP_KERNEL::NormalizedCellType cmsId;
8637 unsigned nbOfNodesSon=cm.fillSonCellNodalConnectivity2(j,nodal3D+nodalIndx3D[i]+1,sz,tmp,cmsId);
8638 start=tmp[0]; end=tmp[nbOfNodesSon-1];
8639 for(unsigned k=0;k<nbOfNodesSon;k++)
8641 m[tmp[k]].insert(tmp[(k+1)%nbOfNodesSon]);
8642 m[tmp[(k+1)%nbOfNodesSon]].insert(tmp[k]);
8649 std::vector<int> conn(1,(int)INTERP_KERNEL::NORM_POLYGON);
8653 std::map<int, std::set<int> >::const_iterator it=m.find(start);
8654 const std::set<int>& s=(*it).second;
8655 std::set<int> s2; s2.insert(prev);
8657 std::set_difference(s.begin(),s.end(),s2.begin(),s2.end(),inserter(s3,s3.begin()));
8660 int val=*s3.begin();
8661 conn.push_back(start);
8668 conn.push_back(end);
8671 nodalRes->insertAtTheEnd(conn.begin(),conn.end());
8672 nodalResIndx->pushBackSilent(nodalRes->getNumberOfTuples());
8673 cellIds->pushBackSilent(i);
8679 * 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
8680 * 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
8681 * the geometric cell type set to INTERP_KERNEL::NORM_POLYGON.
8682 * 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
8683 * 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.
8685 * \return false if the input connectivity represents already the convex hull, true if the input cell needs to be reordered.
8687 bool MEDCouplingUMesh::BuildConvexEnvelopOf2DCellJarvis(const double *coords, const int *nodalConnBg, const int *nodalConnEnd, DataArrayInt *nodalConnecOut)
8689 std::size_t sz=std::distance(nodalConnBg,nodalConnEnd);
8692 const INTERP_KERNEL::CellModel& cm=INTERP_KERNEL::CellModel::GetCellModel((INTERP_KERNEL::NormalizedCellType)*nodalConnBg);
8693 if(cm.getDimension()==2)
8695 const int *node=nodalConnBg+1;
8696 int startNode=*node++;
8697 double refX=coords[2*startNode];
8698 for(;node!=nodalConnEnd;node++)
8700 if(coords[2*(*node)]<refX)
8703 refX=coords[2*startNode];
8706 std::vector<int> tmpOut; tmpOut.reserve(sz); tmpOut.push_back(startNode);
8710 double angle0=-M_PI/2;
8715 double angleNext=0.;
8716 while(nextNode!=startNode)
8720 for(node=nodalConnBg+1;node!=nodalConnEnd;node++)
8722 if(*node!=tmpOut.back() && *node!=prevNode)
8724 tmp2[0]=coords[2*(*node)]-coords[2*tmpOut.back()]; tmp2[1]=coords[2*(*node)+1]-coords[2*tmpOut.back()+1];
8725 double angleM=INTERP_KERNEL::EdgeArcCircle::GetAbsoluteAngle(tmp2,tmp1);
8730 res=angle0-angleM+2.*M_PI;
8739 if(nextNode!=startNode)
8741 angle0=angleNext-M_PI;
8744 prevNode=tmpOut.back();
8745 tmpOut.push_back(nextNode);
8748 std::vector<int> tmp3(2*(sz-1));
8749 std::vector<int>::iterator it=std::copy(nodalConnBg+1,nodalConnEnd,tmp3.begin());
8750 std::copy(nodalConnBg+1,nodalConnEnd,it);
8751 if(std::search(tmp3.begin(),tmp3.end(),tmpOut.begin(),tmpOut.end())!=tmp3.end())
8753 nodalConnecOut->insertAtTheEnd(nodalConnBg,nodalConnEnd);
8756 if(std::search(tmp3.rbegin(),tmp3.rend(),tmpOut.begin(),tmpOut.end())!=tmp3.rend())
8758 nodalConnecOut->insertAtTheEnd(nodalConnBg,nodalConnEnd);
8763 nodalConnecOut->pushBackSilent((int)INTERP_KERNEL::NORM_POLYGON);
8764 nodalConnecOut->insertAtTheEnd(tmpOut.begin(),tmpOut.end());
8769 throw INTERP_KERNEL::Exception("MEDCouplingUMesh::BuildConvexEnvelopOf2DCellJarvis : invalid 2D cell connectivity !");
8772 throw INTERP_KERNEL::Exception("MEDCouplingUMesh::BuildConvexEnvelopOf2DCellJarvis : invalid 2D cell connectivity !");
8776 * This method works on an input pair (\b arr, \b arrIndx) where \b arr indexes is in \b arrIndx.
8777 * 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.
8779 * \param [in] idsToRemoveBg begin of set of ids to remove in \b arr (included)
8780 * \param [in] idsToRemoveEnd end of set of ids to remove in \b arr (excluded)
8781 * \param [in,out] arr array in which the remove operation will be done.
8782 * \param [in,out] arrIndx array in the remove operation will modify
8783 * \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])
8784 * \return true if \b arr and \b arrIndx have been modified, false if not.
8786 bool MEDCouplingUMesh::RemoveIdsFromIndexedArrays(const int *idsToRemoveBg, const int *idsToRemoveEnd, DataArrayInt *arr, DataArrayInt *arrIndx, int offsetForRemoval)
8788 if(!arrIndx || !arr)
8789 throw INTERP_KERNEL::Exception("MEDCouplingUMesh::RemoveIdsFromIndexedArrays : some input arrays are empty !");
8790 if(offsetForRemoval<0)
8791 throw INTERP_KERNEL::Exception("MEDCouplingUMesh::RemoveIdsFromIndexedArrays : offsetForRemoval should be >=0 !");
8792 std::set<int> s(idsToRemoveBg,idsToRemoveEnd);
8793 int nbOfGrps=arrIndx->getNumberOfTuples()-1;
8794 int *arrIPtr=arrIndx->getPointer();
8797 const int *arrPtr=arr->getConstPointer();
8798 std::vector<int> arrOut;//no utility to switch to DataArrayInt because copy always needed
8799 for(int i=0;i<nbOfGrps;i++,arrIPtr++)
8801 if(*arrIPtr-previousArrI>offsetForRemoval)
8803 for(const int *work=arrPtr+previousArrI+offsetForRemoval;work!=arrPtr+*arrIPtr;work++)
8805 if(s.find(*work)==s.end())
8806 arrOut.push_back(*work);
8809 previousArrI=*arrIPtr;
8810 *arrIPtr=(int)arrOut.size();
8812 if(arr->getNumberOfTuples()==(int)arrOut.size())
8814 arr->alloc((int)arrOut.size(),1);
8815 std::copy(arrOut.begin(),arrOut.end(),arr->getPointer());
8820 * This method works on a pair input (\b arrIn, \b arrIndxIn) where \b arrIn indexes is in \b arrIndxIn.
8821 * This method returns the result of the extraction ( specified by a set of ids in [\b idsOfSelectBg , \b idsOfSelectEnd ) ).
8822 * The selection of extraction is done standardly in new2old format.
8823 * This method returns indexed arrays using 2 arrays (arrOut,arrIndexOut).
8825 * \param [in] idsOfSelectBg begin of set of ids of the input extraction (included)
8826 * \param [in] idsOfSelectEnd end of set of ids of the input extraction (excluded)
8827 * \param [in] arrIn arr origin array from which the extraction will be done.
8828 * \param [in] arrIndxIn is the input index array allowing to walk into \b arrIn
8829 * \param [out] arrOut the resulting array
8830 * \param [out] arrIndexOut the index array of the resulting array \b arrOut
8831 * \sa MEDCouplingUMesh::ExtractFromIndexedArrays2
8833 void MEDCouplingUMesh::ExtractFromIndexedArrays(const int *idsOfSelectBg, const int *idsOfSelectEnd, const DataArrayInt *arrIn, const DataArrayInt *arrIndxIn,
8834 DataArrayInt* &arrOut, DataArrayInt* &arrIndexOut) throw(INTERP_KERNEL::Exception)
8836 if(!arrIn || !arrIndxIn)
8837 throw INTERP_KERNEL::Exception("MEDCouplingUMesh::ExtractFromIndexedArrays : input pointer is NULL !");
8838 arrIn->checkAllocated(); arrIndxIn->checkAllocated();
8839 if(arrIn->getNumberOfComponents()!=1 || arrIndxIn->getNumberOfComponents()!=1)
8840 throw INTERP_KERNEL::Exception("MEDCouplingUMesh::ExtractFromIndexedArrays : input arrays must have exactly one component !");
8841 std::size_t sz=std::distance(idsOfSelectBg,idsOfSelectEnd);
8842 const int *arrInPtr=arrIn->getConstPointer();
8843 const int *arrIndxPtr=arrIndxIn->getConstPointer();
8844 int nbOfGrps=arrIndxIn->getNumberOfTuples()-1;
8846 throw INTERP_KERNEL::Exception("MEDCouplingUMesh::ExtractFromIndexedArrays : The format of \"arrIndxIn\" is invalid ! Its nb of tuples should be >=1 !");
8847 int maxSizeOfArr=arrIn->getNumberOfTuples();
8848 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> arro=DataArrayInt::New();
8849 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> arrIo=DataArrayInt::New();
8850 arrIo->alloc((int)(sz+1),1);
8851 const int *idsIt=idsOfSelectBg;
8852 int *work=arrIo->getPointer();
8855 for(std::size_t i=0;i<sz;i++,work++,idsIt++)
8857 if(*idsIt>=0 && *idsIt<nbOfGrps)
8858 lgth+=arrIndxPtr[*idsIt+1]-arrIndxPtr[*idsIt];
8861 std::ostringstream oss; oss << "MEDCouplingUMesh::ExtractFromIndexedArrays : id located on pos #" << i << " value is " << *idsIt << " ! Must be in [0," << nbOfGrps << ") !";
8862 throw INTERP_KERNEL::Exception(oss.str().c_str());
8868 std::ostringstream oss; oss << "MEDCouplingUMesh::ExtractFromIndexedArrays : id located on pos #" << i << " value is " << *idsIt << " and at this pos arrIndxIn[" << *idsIt;
8869 oss << "+1]-arrIndxIn[" << *idsIt << "] < 0 ! The input index array is bugged !";
8870 throw INTERP_KERNEL::Exception(oss.str().c_str());
8873 arro->alloc(lgth,1);
8874 work=arro->getPointer();
8875 idsIt=idsOfSelectBg;
8876 for(std::size_t i=0;i<sz;i++,idsIt++)
8878 if(arrIndxPtr[*idsIt]>=0 && arrIndxPtr[*idsIt+1]<=maxSizeOfArr)
8879 work=std::copy(arrInPtr+arrIndxPtr[*idsIt],arrInPtr+arrIndxPtr[*idsIt+1],work);
8882 std::ostringstream oss; oss << "MEDCouplingUMesh::ExtractFromIndexedArrays : id located on pos #" << i << " value is " << *idsIt << " arrIndx[" << *idsIt << "] must be >= 0 and arrIndx[";
8883 oss << *idsIt << "+1] <= " << maxSizeOfArr << " (the size of arrIn)!";
8884 throw INTERP_KERNEL::Exception(oss.str().c_str());
8888 arrIndexOut=arrIo.retn();
8892 * This method works on a pair input (\b arrIn, \b arrIndxIn) where \b arrIn indexes is in \b arrIndxIn.
8893 * 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 ).
8894 * The selection of extraction is done standardly in new2old format.
8895 * This method returns indexed arrays using 2 arrays (arrOut,arrIndexOut).
8897 * \param [in] idsOfSelectBg begin of set of ids of the input extraction (included)
8898 * \param [in] idsOfSelectEnd end of set of ids of the input extraction (excluded)
8899 * \param [in] arrIn arr origin array from which the extraction will be done.
8900 * \param [in] arrIndxIn is the input index array allowing to walk into \b arrIn
8901 * \param [out] arrOut the resulting array
8902 * \param [out] arrIndexOut the index array of the resulting array \b arrOut
8903 * \sa MEDCouplingUMesh::ExtractFromIndexedArrays
8905 void MEDCouplingUMesh::ExtractFromIndexedArrays2(int idsOfSelectStart, int idsOfSelectStop, int idsOfSelectStep, const DataArrayInt *arrIn, const DataArrayInt *arrIndxIn,
8906 DataArrayInt* &arrOut, DataArrayInt* &arrIndexOut) throw(INTERP_KERNEL::Exception)
8908 if(!arrIn || !arrIndxIn)
8909 throw INTERP_KERNEL::Exception("MEDCouplingUMesh::ExtractFromIndexedArrays2 : input pointer is NULL !");
8910 arrIn->checkAllocated(); arrIndxIn->checkAllocated();
8911 if(arrIn->getNumberOfComponents()!=1 || arrIndxIn->getNumberOfComponents()!=1)
8912 throw INTERP_KERNEL::Exception("MEDCouplingUMesh::ExtractFromIndexedArrays2 : input arrays must have exactly one component !");
8913 int sz=DataArrayInt::GetNumberOfItemGivenBESRelative(idsOfSelectStart,idsOfSelectStop,idsOfSelectStep,"MEDCouplingUMesh::ExtractFromIndexedArrays2 : Input slice ");
8914 const int *arrInPtr=arrIn->getConstPointer();
8915 const int *arrIndxPtr=arrIndxIn->getConstPointer();
8916 int nbOfGrps=arrIndxIn->getNumberOfTuples()-1;
8918 throw INTERP_KERNEL::Exception("MEDCouplingUMesh::ExtractFromIndexedArrays2 : The format of \"arrIndxIn\" is invalid ! Its nb of tuples should be >=1 !");
8919 int maxSizeOfArr=arrIn->getNumberOfTuples();
8920 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> arro=DataArrayInt::New();
8921 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> arrIo=DataArrayInt::New();
8922 arrIo->alloc((int)(sz+1),1);
8923 int idsIt=idsOfSelectStart;
8924 int *work=arrIo->getPointer();
8927 for(int i=0;i<sz;i++,work++,idsIt+=idsOfSelectStep)
8929 if(idsIt>=0 && idsIt<nbOfGrps)
8930 lgth+=arrIndxPtr[idsIt+1]-arrIndxPtr[idsIt];
8933 std::ostringstream oss; oss << "MEDCouplingUMesh::ExtractFromIndexedArrays2 : id located on pos #" << i << " value is " << idsIt << " ! Must be in [0," << nbOfGrps << ") !";
8934 throw INTERP_KERNEL::Exception(oss.str().c_str());
8940 std::ostringstream oss; oss << "MEDCouplingUMesh::ExtractFromIndexedArrays2 : id located on pos #" << i << " value is " << idsIt << " and at this pos arrIndxIn[" << idsIt;
8941 oss << "+1]-arrIndxIn[" << idsIt << "] < 0 ! The input index array is bugged !";
8942 throw INTERP_KERNEL::Exception(oss.str().c_str());
8945 arro->alloc(lgth,1);
8946 work=arro->getPointer();
8947 idsIt=idsOfSelectStart;
8948 for(int i=0;i<sz;i++,idsIt+=idsOfSelectStep)
8950 if(arrIndxPtr[idsIt]>=0 && arrIndxPtr[idsIt+1]<=maxSizeOfArr)
8951 work=std::copy(arrInPtr+arrIndxPtr[idsIt],arrInPtr+arrIndxPtr[idsIt+1],work);
8954 std::ostringstream oss; oss << "MEDCouplingUMesh::ExtractFromIndexedArrays2 : id located on pos #" << i << " value is " << idsIt << " arrIndx[" << idsIt << "] must be >= 0 and arrIndx[";
8955 oss << idsIt << "+1] <= " << maxSizeOfArr << " (the size of arrIn)!";
8956 throw INTERP_KERNEL::Exception(oss.str().c_str());
8960 arrIndexOut=arrIo.retn();
8964 * This method works on an input pair (\b arrIn, \b arrIndxIn) where \b arrIn indexes is in \b arrIndxIn.
8965 * 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
8966 * cellIds \b in [ \b idsOfSelectBg , \b idsOfSelectEnd ) a copy coming from the corresponding values in input pair (\b srcArr, \b srcArrIndex).
8967 * This method is an generalization of MEDCouplingUMesh::SetPartOfIndexedArraysSameIdx that performs the same thing but by without building explicitely a result output arrays.
8969 * \param [in] idsOfSelectBg begin of set of ids of the input extraction (included)
8970 * \param [in] idsOfSelectEnd end of set of ids of the input extraction (excluded)
8971 * \param [in] arrIn arr origin array from which the extraction will be done.
8972 * \param [in] arrIndxIn is the input index array allowing to walk into \b arrIn
8973 * \param [in] srcArr input array that will be used as source of copy for ids in [ \b idsOfSelectBg, \b idsOfSelectEnd )
8974 * \param [in] srcArrIndex index array of \b srcArr
8975 * \param [out] arrOut the resulting array
8976 * \param [out] arrIndexOut the index array of the resulting array \b arrOut
8978 * \sa MEDCouplingUMesh::SetPartOfIndexedArraysSameIdx
8980 void MEDCouplingUMesh::SetPartOfIndexedArrays(const int *idsOfSelectBg, const int *idsOfSelectEnd, const DataArrayInt *arrIn, const DataArrayInt *arrIndxIn,
8981 const DataArrayInt *srcArr, const DataArrayInt *srcArrIndex,
8982 DataArrayInt* &arrOut, DataArrayInt* &arrIndexOut) throw(INTERP_KERNEL::Exception)
8984 if(arrIn==0 || arrIndxIn==0 || srcArr==0 || srcArrIndex==0)
8985 throw INTERP_KERNEL::Exception("MEDCouplingUMesh::SetPartOfIndexedArrays : presence of null pointer in input parameter !");
8986 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> arro=DataArrayInt::New();
8987 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> arrIo=DataArrayInt::New();
8988 int nbOfTuples=arrIndxIn->getNumberOfTuples()-1;
8989 std::vector<bool> v(nbOfTuples,true);
8991 const int *arrIndxInPtr=arrIndxIn->getConstPointer();
8992 const int *srcArrIndexPtr=srcArrIndex->getConstPointer();
8993 for(const int *it=idsOfSelectBg;it!=idsOfSelectEnd;it++,srcArrIndexPtr++)
8995 if(*it>=0 && *it<nbOfTuples)
8998 offset+=(srcArrIndexPtr[1]-srcArrIndexPtr[0])-(arrIndxInPtr[*it+1]-arrIndxInPtr[*it]);
9002 std::ostringstream oss; oss << "MEDCouplingUMesh::SetPartOfIndexedArrays : On pos #" << std::distance(idsOfSelectBg,it) << " value is " << *it << " not in [0," << nbOfTuples << ") !";
9003 throw INTERP_KERNEL::Exception(oss.str().c_str());
9006 srcArrIndexPtr=srcArrIndex->getConstPointer();
9007 arrIo->alloc(nbOfTuples+1,1);
9008 arro->alloc(arrIn->getNumberOfTuples()+offset,1);
9009 const int *arrInPtr=arrIn->getConstPointer();
9010 const int *srcArrPtr=srcArr->getConstPointer();
9011 int *arrIoPtr=arrIo->getPointer(); *arrIoPtr++=0;
9012 int *arroPtr=arro->getPointer();
9013 for(int ii=0;ii<nbOfTuples;ii++,arrIoPtr++)
9017 arroPtr=std::copy(arrInPtr+arrIndxInPtr[ii],arrInPtr+arrIndxInPtr[ii+1],arroPtr);
9018 *arrIoPtr=arrIoPtr[-1]+(arrIndxInPtr[ii+1]-arrIndxInPtr[ii]);
9022 std::size_t pos=std::distance(idsOfSelectBg,std::find(idsOfSelectBg,idsOfSelectEnd,ii));
9023 arroPtr=std::copy(srcArrPtr+srcArrIndexPtr[pos],srcArrPtr+srcArrIndexPtr[pos+1],arroPtr);
9024 *arrIoPtr=arrIoPtr[-1]+(srcArrIndexPtr[pos+1]-srcArrIndexPtr[pos]);
9028 arrIndexOut=arrIo.retn();
9032 * This method works on an input pair (\b arrIn, \b arrIndxIn) where \b arrIn indexes is in \b arrIndxIn.
9033 * This method is an specialization of MEDCouplingUMesh::SetPartOfIndexedArrays in the case of assignement do not modify the index in \b arrIndxIn.
9035 * \param [in] idsOfSelectBg begin of set of ids of the input extraction (included)
9036 * \param [in] idsOfSelectEnd end of set of ids of the input extraction (excluded)
9037 * \param [in,out] arrInOut arr origin array from which the extraction will be done.
9038 * \param [in] arrIndxIn is the input index array allowing to walk into \b arrIn
9039 * \param [in] srcArr input array that will be used as source of copy for ids in [ \b idsOfSelectBg , \b idsOfSelectEnd )
9040 * \param [in] srcArrIndex index array of \b srcArr
9042 * \sa MEDCouplingUMesh::SetPartOfIndexedArrays
9044 void MEDCouplingUMesh::SetPartOfIndexedArraysSameIdx(const int *idsOfSelectBg, const int *idsOfSelectEnd, DataArrayInt *arrInOut, const DataArrayInt *arrIndxIn,
9045 const DataArrayInt *srcArr, const DataArrayInt *srcArrIndex) throw(INTERP_KERNEL::Exception)
9047 if(arrInOut==0 || arrIndxIn==0 || srcArr==0 || srcArrIndex==0)
9048 throw INTERP_KERNEL::Exception("MEDCouplingUMesh::SetPartOfIndexedArraysSameIdx : presence of null pointer in input parameter !");
9049 int nbOfTuples=arrIndxIn->getNumberOfTuples()-1;
9050 const int *arrIndxInPtr=arrIndxIn->getConstPointer();
9051 const int *srcArrIndexPtr=srcArrIndex->getConstPointer();
9052 int *arrInOutPtr=arrInOut->getPointer();
9053 const int *srcArrPtr=srcArr->getConstPointer();
9054 for(const int *it=idsOfSelectBg;it!=idsOfSelectEnd;it++,srcArrIndexPtr++)
9056 if(*it>=0 && *it<nbOfTuples)
9058 if(srcArrIndexPtr[1]-srcArrIndexPtr[0]==arrIndxInPtr[*it+1]-arrIndxInPtr[*it])
9059 std::copy(srcArrPtr+srcArrIndexPtr[0],srcArrPtr+srcArrIndexPtr[1],arrInOutPtr+arrIndxInPtr[*it]);
9062 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] !";
9063 throw INTERP_KERNEL::Exception(oss.str().c_str());
9068 std::ostringstream oss; oss << "MEDCouplingUMesh::SetPartOfIndexedArraysSameIdx : On pos #" << std::distance(idsOfSelectBg,it) << " value is " << *it << " not in [0," << nbOfTuples << ") !";
9069 throw INTERP_KERNEL::Exception(oss.str().c_str());
9075 * This method works on a pair input (\b arrIn, \b arrIndxIn) where \b arr indexes is in \b arrIndxIn.
9076 * This method expects that these two input arrays come from the output of MEDCouplingUMesh::computeNeighborsOfCells method.
9077 * 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]].
9078 * Then it is repeated recursively until either all ids are fetched or no more ids are reachable step by step.
9079 * A negative value in \b arrIn means that it is ignored.
9080 * 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.
9082 * \param [in] arrIn arr origin array from which the extraction will be done.
9083 * \param [in] arrIndxIn is the input index array allowing to walk into \b arrIn
9084 * \return a newly allocated DataArray that stores all ids fetched by the gradually spread process.
9085 * \sa MEDCouplingUMesh::ComputeSpreadZoneGraduallyFromSeed, MEDCouplingUMesh::partitionBySpreadZone
9087 DataArrayInt *MEDCouplingUMesh::ComputeSpreadZoneGradually(const DataArrayInt *arrIn, const DataArrayInt *arrIndxIn)
9089 int seed=0,nbOfDepthPeelingPerformed=0;
9090 return ComputeSpreadZoneGraduallyFromSeed(&seed,&seed+1,arrIn,arrIndxIn,-1,nbOfDepthPeelingPerformed);
9094 * This method works on a pair input (\b arrIn, \b arrIndxIn) where \b arr indexes is in \b arrIndxIn.
9095 * This method expects that these two input arrays come from the output of MEDCouplingUMesh::computeNeighborsOfCells method.
9096 * 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]].
9097 * Then it is repeated recursively until either all ids are fetched or no more ids are reachable step by step.
9098 * A negative value in \b arrIn means that it is ignored.
9099 * 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.
9100 * \param [in] seedBg the begin pointer (included) of an array containing the seed of the search zone
9101 * \param [in] seedEnd the end pointer (not included) of an array containing the seed of the search zone
9102 * \param [in] arrIn arr origin array from which the extraction will be done.
9103 * \param [in] arrIndxIn is the input index array allowing to walk into \b arrIn
9104 * \param [in] nbOfDepthPeeling the max number of peels requested in search. By default -1, that is to say, no limit.
9105 * \param [out] nbOfDepthPeelingPerformed the number of peels effectively performed. May be different from \a nbOfDepthPeeling
9106 * \return a newly allocated DataArray that stores all ids fetched by the gradually spread process.
9107 * \sa MEDCouplingUMesh::partitionBySpreadZone
9109 DataArrayInt *MEDCouplingUMesh::ComputeSpreadZoneGraduallyFromSeed(const int *seedBg, const int *seedEnd, const DataArrayInt *arrIn, const DataArrayInt *arrIndxIn, int nbOfDepthPeeling, int& nbOfDepthPeelingPerformed)
9111 nbOfDepthPeelingPerformed=0;
9113 throw INTERP_KERNEL::Exception("MEDCouplingUMesh::ComputeSpreadZoneGraduallyFromSeed : arrIndxIn input pointer is NULL !");
9114 int nbOfTuples=arrIndxIn->getNumberOfTuples()-1;
9117 DataArrayInt *ret=DataArrayInt::New(); ret->alloc(0,1);
9121 std::vector<bool> fetched(nbOfTuples,false);
9122 return ComputeSpreadZoneGraduallyFromSeedAlg(fetched,seedBg,seedEnd,arrIn,arrIndxIn,nbOfDepthPeeling,nbOfDepthPeelingPerformed);
9125 DataArrayInt *MEDCouplingUMesh::ComputeSpreadZoneGraduallyFromSeedAlg(std::vector<bool>& fetched, const int *seedBg, const int *seedEnd, const DataArrayInt *arrIn, const DataArrayInt *arrIndxIn, int nbOfDepthPeeling, int& nbOfDepthPeelingPerformed)
9127 nbOfDepthPeelingPerformed=0;
9128 if(!seedBg || !seedEnd || !arrIn || !arrIndxIn)
9129 throw INTERP_KERNEL::Exception("MEDCouplingUMesh::ComputeSpreadZoneGraduallyFromSeedAlg : some input pointer is NULL !");
9130 int nbOfTuples=arrIndxIn->getNumberOfTuples()-1;
9131 std::vector<bool> fetched2(nbOfTuples,false);
9133 for(const int *seedElt=seedBg;seedElt!=seedEnd;seedElt++,i++)
9135 if(*seedElt>=0 && *seedElt<nbOfTuples)
9136 { fetched[*seedElt]=true; fetched2[*seedElt]=true; }
9138 { 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()); }
9140 const int *arrInPtr=arrIn->getConstPointer();
9141 const int *arrIndxPtr=arrIndxIn->getConstPointer();
9142 int targetNbOfDepthPeeling=nbOfDepthPeeling!=-1?nbOfDepthPeeling:std::numeric_limits<int>::max();
9143 std::vector<int> idsToFetch1(seedBg,seedEnd);
9144 std::vector<int> idsToFetch2;
9145 std::vector<int> *idsToFetch=&idsToFetch1;
9146 std::vector<int> *idsToFetchOther=&idsToFetch2;
9147 while(!idsToFetch->empty() && nbOfDepthPeelingPerformed<targetNbOfDepthPeeling)
9149 for(std::vector<int>::const_iterator it=idsToFetch->begin();it!=idsToFetch->end();it++)
9150 for(const int *it2=arrInPtr+arrIndxPtr[*it];it2!=arrInPtr+arrIndxPtr[*it+1];it2++)
9152 { fetched[*it2]=true; fetched2[*it2]=true; idsToFetchOther->push_back(*it2); }
9153 std::swap(idsToFetch,idsToFetchOther);
9154 idsToFetchOther->clear();
9155 nbOfDepthPeelingPerformed++;
9157 int lgth=(int)std::count(fetched2.begin(),fetched2.end(),true);
9159 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> ret=DataArrayInt::New(); ret->alloc(lgth,1);
9160 int *retPtr=ret->getPointer();
9161 for(std::vector<bool>::const_iterator it=fetched2.begin();it!=fetched2.end();it++,i++)
9168 * This method works on an input pair (\b arrIn, \b arrIndxIn) where \b arrIn indexes is in \b arrIndxIn.
9169 * 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
9170 * cellIds \b in [\b idsOfSelectBg, \b idsOfSelectEnd) a copy coming from the corresponding values in input pair (\b srcArr, \b srcArrIndex).
9171 * This method is an generalization of MEDCouplingUMesh::SetPartOfIndexedArraysSameIdx that performs the same thing but by without building explicitely a result output arrays.
9173 * \param [in] start begin of set of ids of the input extraction (included)
9174 * \param [in] end end of set of ids of the input extraction (excluded)
9175 * \param [in] step step of the set of ids in range mode.
9176 * \param [in] arrIn arr origin array from which the extraction will be done.
9177 * \param [in] arrIndxIn is the input index array allowing to walk into \b arrIn
9178 * \param [in] srcArr input array that will be used as source of copy for ids in [\b idsOfSelectBg, \b idsOfSelectEnd)
9179 * \param [in] srcArrIndex index array of \b srcArr
9180 * \param [out] arrOut the resulting array
9181 * \param [out] arrIndexOut the index array of the resulting array \b arrOut
9183 * \sa MEDCouplingUMesh::SetPartOfIndexedArraysSameIdx MEDCouplingUMesh::SetPartOfIndexedArrays
9185 void MEDCouplingUMesh::SetPartOfIndexedArrays2(int start, int end, int step, const DataArrayInt *arrIn, const DataArrayInt *arrIndxIn,
9186 const DataArrayInt *srcArr, const DataArrayInt *srcArrIndex,
9187 DataArrayInt* &arrOut, DataArrayInt* &arrIndexOut) throw(INTERP_KERNEL::Exception)
9189 if(arrIn==0 || arrIndxIn==0 || srcArr==0 || srcArrIndex==0)
9190 throw INTERP_KERNEL::Exception("MEDCouplingUMesh::SetPartOfIndexedArrays2 : presence of null pointer in input parameter !");
9191 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> arro=DataArrayInt::New();
9192 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> arrIo=DataArrayInt::New();
9193 int nbOfTuples=arrIndxIn->getNumberOfTuples()-1;
9195 const int *arrIndxInPtr=arrIndxIn->getConstPointer();
9196 const int *srcArrIndexPtr=srcArrIndex->getConstPointer();
9197 int nbOfElemsToSet=DataArray::GetNumberOfItemGivenBESRelative(start,end,step,"MEDCouplingUMesh::SetPartOfIndexedArrays2 : ");
9199 for(int i=0;i<nbOfElemsToSet;i++,srcArrIndexPtr++,it+=step)
9201 if(it>=0 && it<nbOfTuples)
9202 offset+=(srcArrIndexPtr[1]-srcArrIndexPtr[0])-(arrIndxInPtr[it+1]-arrIndxInPtr[it]);
9205 std::ostringstream oss; oss << "MEDCouplingUMesh::SetPartOfIndexedArrays2 : On pos #" << i << " value is " << it << " not in [0," << nbOfTuples << ") !";
9206 throw INTERP_KERNEL::Exception(oss.str().c_str());
9209 srcArrIndexPtr=srcArrIndex->getConstPointer();
9210 arrIo->alloc(nbOfTuples+1,1);
9211 arro->alloc(arrIn->getNumberOfTuples()+offset,1);
9212 const int *arrInPtr=arrIn->getConstPointer();
9213 const int *srcArrPtr=srcArr->getConstPointer();
9214 int *arrIoPtr=arrIo->getPointer(); *arrIoPtr++=0;
9215 int *arroPtr=arro->getPointer();
9216 for(int ii=0;ii<nbOfTuples;ii++,arrIoPtr++)
9218 int pos=DataArray::GetPosOfItemGivenBESRelativeNoThrow(ii,start,end,step);
9221 arroPtr=std::copy(arrInPtr+arrIndxInPtr[ii],arrInPtr+arrIndxInPtr[ii+1],arroPtr);
9222 *arrIoPtr=arrIoPtr[-1]+(arrIndxInPtr[ii+1]-arrIndxInPtr[ii]);
9226 arroPtr=std::copy(srcArrPtr+srcArrIndexPtr[pos],srcArrPtr+srcArrIndexPtr[pos+1],arroPtr);
9227 *arrIoPtr=arrIoPtr[-1]+(srcArrIndexPtr[pos+1]-srcArrIndexPtr[pos]);
9231 arrIndexOut=arrIo.retn();
9235 * This method works on an input pair (\b arrIn, \b arrIndxIn) where \b arrIn indexes is in \b arrIndxIn.
9236 * This method is an specialization of MEDCouplingUMesh::SetPartOfIndexedArrays in the case of assignement do not modify the index in \b arrIndxIn.
9238 * \param [in] start begin of set of ids of the input extraction (included)
9239 * \param [in] end end of set of ids of the input extraction (excluded)
9240 * \param [in] step step of the set of ids in range mode.
9241 * \param [in,out] arrInOut arr origin array from which the extraction will be done.
9242 * \param [in] arrIndxIn is the input index array allowing to walk into \b arrIn
9243 * \param [in] srcArr input array that will be used as source of copy for ids in [\b idsOfSelectBg, \b idsOfSelectEnd)
9244 * \param [in] srcArrIndex index array of \b srcArr
9246 * \sa MEDCouplingUMesh::SetPartOfIndexedArrays2 MEDCouplingUMesh::SetPartOfIndexedArraysSameIdx
9248 void MEDCouplingUMesh::SetPartOfIndexedArraysSameIdx2(int start, int end, int step, DataArrayInt *arrInOut, const DataArrayInt *arrIndxIn,
9249 const DataArrayInt *srcArr, const DataArrayInt *srcArrIndex) throw(INTERP_KERNEL::Exception)
9251 if(arrInOut==0 || arrIndxIn==0 || srcArr==0 || srcArrIndex==0)
9252 throw INTERP_KERNEL::Exception("MEDCouplingUMesh::SetPartOfIndexedArraysSameIdx2 : presence of null pointer in input parameter !");
9253 int nbOfTuples=arrIndxIn->getNumberOfTuples()-1;
9254 const int *arrIndxInPtr=arrIndxIn->getConstPointer();
9255 const int *srcArrIndexPtr=srcArrIndex->getConstPointer();
9256 int *arrInOutPtr=arrInOut->getPointer();
9257 const int *srcArrPtr=srcArr->getConstPointer();
9258 int nbOfElemsToSet=DataArray::GetNumberOfItemGivenBESRelative(start,end,step,"MEDCouplingUMesh::SetPartOfIndexedArraysSameIdx2 : ");
9260 for(int i=0;i<nbOfElemsToSet;i++,srcArrIndexPtr++,it+=step)
9262 if(it>=0 && it<nbOfTuples)
9264 if(srcArrIndexPtr[1]-srcArrIndexPtr[0]==arrIndxInPtr[it+1]-arrIndxInPtr[it])
9265 std::copy(srcArrPtr+srcArrIndexPtr[0],srcArrPtr+srcArrIndexPtr[1],arrInOutPtr+arrIndxInPtr[it]);
9268 std::ostringstream oss; oss << "MEDCouplingUMesh::SetPartOfIndexedArraysSameIdx2 : On pos #" << i << " id (idsOfSelectBg[" << i << "]) is " << it << " arrIndxIn[id+1]-arrIndxIn[id]!=srcArrIndex[pos+1]-srcArrIndex[pos] !";
9269 throw INTERP_KERNEL::Exception(oss.str().c_str());
9274 std::ostringstream oss; oss << "MEDCouplingUMesh::SetPartOfIndexedArraysSameIdx2 : On pos #" << i << " value is " << it << " not in [0," << nbOfTuples << ") !";
9275 throw INTERP_KERNEL::Exception(oss.str().c_str());
9281 * \b this is expected to be a mesh fully defined whose spaceDim==meshDim.
9282 * It returns a new allocated mesh having the same mesh dimension and lying on same coordinates.
9283 * The returned mesh contains as poly cells as number of contiguous zone (regarding connectivity).
9284 * A spread contiguous zone is built using poly cells (polyhedra in 3D, polygons in 2D and polyline in 1D).
9285 * The sum of measure field of returned mesh is equal to the sum of measure field of this.
9287 * \return a newly allocated mesh lying on the same coords than \b this with same meshdimension than \b this.
9289 MEDCouplingUMesh *MEDCouplingUMesh::buildSpreadZonesWithPoly() const
9291 checkFullyDefined();
9292 int mdim=getMeshDimension();
9293 int spaceDim=getSpaceDimension();
9295 throw INTERP_KERNEL::Exception("MEDCouplingUMesh::buildSpreadZonesWithPoly : meshdimension and spacedimension do not match !");
9296 std::vector<DataArrayInt *> partition=partitionBySpreadZone();
9297 std::vector< MEDCouplingAutoRefCountObjectPtr<DataArrayInt> > partitionAuto; partitionAuto.reserve(partition.size());
9298 std::copy(partition.begin(),partition.end(),std::back_insert_iterator<std::vector< MEDCouplingAutoRefCountObjectPtr<DataArrayInt> > >(partitionAuto));
9299 MEDCouplingAutoRefCountObjectPtr<MEDCouplingUMesh> ret=MEDCouplingUMesh::New(getName().c_str(),mdim);
9300 ret->setCoords(getCoords());
9301 ret->allocateCells((int)partition.size());
9303 for(std::vector<DataArrayInt *>::const_iterator it=partition.begin();it!=partition.end();it++)
9305 MEDCouplingAutoRefCountObjectPtr<MEDCouplingUMesh> tmp=static_cast<MEDCouplingUMesh *>(buildPartOfMySelf((*it)->begin(),(*it)->end(),true));
9306 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> cell;
9310 cell=tmp->buildUnionOf2DMesh();
9313 cell=tmp->buildUnionOf3DMesh();
9316 throw INTERP_KERNEL::Exception("MEDCouplingUMesh::buildSpreadZonesWithPoly : meshdimension supported are [2,3] ! Not implemented yet for others !");
9319 ret->insertNextCell((INTERP_KERNEL::NormalizedCellType)cell->getIJSafe(0,0),cell->getNumberOfTuples()-1,cell->getConstPointer()+1);
9322 ret->finishInsertingCells();
9327 * This method partitions \b this into contiguous zone.
9328 * This method only needs a well defined connectivity. Coordinates are not considered here.
9329 * This method returns a vector of \b newly allocated arrays that the caller has to deal with.
9331 std::vector<DataArrayInt *> MEDCouplingUMesh::partitionBySpreadZone() const
9333 int nbOfCellsCur=getNumberOfCells();
9334 std::vector<DataArrayInt *> ret;
9337 DataArrayInt *neigh=0,*neighI=0;
9338 computeNeighborsOfCells(neigh,neighI);
9339 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> neighAuto(neigh),neighIAuto(neighI);
9340 std::vector<bool> fetchedCells(nbOfCellsCur,false);
9341 std::vector< MEDCouplingAutoRefCountObjectPtr<DataArrayInt> > ret2;
9343 while(seed<nbOfCellsCur)
9345 int nbOfPeelPerformed=0;
9346 ret2.push_back(ComputeSpreadZoneGraduallyFromSeedAlg(fetchedCells,&seed,&seed+1,neigh,neighI,-1,nbOfPeelPerformed));
9347 seed=(int)std::distance(fetchedCells.begin(),std::find(fetchedCells.begin()+seed,fetchedCells.end(),false));
9349 for(std::vector< MEDCouplingAutoRefCountObjectPtr<DataArrayInt> >::iterator it=ret2.begin();it!=ret2.end();it++)
9350 ret.push_back((*it).retn());
9355 * This method returns given a distribution of cell type (returned for example by MEDCouplingUMesh::getDistributionOfTypes method and customized after) a
9356 * newly allocated DataArrayInt instance with 2 components ready to be interpreted as input of DataArrayInt::findRangeIdForEachTuple method.
9358 * \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.
9359 * \return a newly allocated DataArrayInt to be managed by the caller.
9360 * \throw In case of \a code has not the right format (typically of size 3*n)
9362 DataArrayInt *MEDCouplingUMesh::ComputeRangesFromTypeDistribution(const std::vector<int>& code)
9364 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> ret=DataArrayInt::New();
9365 std::size_t nb=code.size()/3;
9366 if(code.size()%3!=0)
9367 throw INTERP_KERNEL::Exception("MEDCouplingUMesh::ComputeRangesFromTypeDistribution : invalid input code !");
9368 ret->alloc((int)nb,2);
9369 int *retPtr=ret->getPointer();
9370 for(std::size_t i=0;i<nb;i++,retPtr+=2)
9372 retPtr[0]=code[3*i+2];
9373 retPtr[1]=code[3*i+2]+code[3*i+1];
9379 * This method expects that \a this a 3D mesh (spaceDim=3 and meshDim=3) with all coordinates and connectivities set.
9380 * All cells in \a this are expected to be linear 3D cells.
9381 * This method will split **all** 3D cells in \a this into INTERP_KERNEL::NORM_TETRA4 cells and put them in the returned mesh.
9382 * It leads to an increase to number of cells.
9383 * This method contrary to MEDCouplingUMesh::simplexize can append coordinates in \a this to perform its work.
9384 * The \a nbOfAdditionalPoints returned value informs about it. If > 0, the coordinates array in returned mesh will have \a nbOfAdditionalPoints
9385 * more tuples (nodes) than in \a this. Anyway, all the nodes in \a this (with the same order) will be in the returned mesh.
9387 * \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.
9388 * For all other cells, the splitting policy will be ignored.
9389 * \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.
9390 * \param [out] n2oCells - A new instance of DataArrayInt holding, for each new cell,
9391 * an id of old cell producing it. The caller is to delete this array using
9392 * decrRef() as it is no more needed.
9393 * \return MEDCoupling1SGTUMesh * - the mesh containing only INTERP_KERNEL::NORM_TETRA4 cells.
9395 * \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
9396 * the policy PLANAR_FACE_6 should be used on a mesh sorted with MEDCoupling1SGTUMesh::sortHexa8EachOther.
9398 * \throw If \a this is not a 3D mesh (spaceDim==3 and meshDim==3).
9399 * \throw If \a this is not fully constituted with linear 3D cells.
9400 * \sa MEDCouplingUMesh::simplexize, MEDCoupling1SGTUMesh::sortHexa8EachOther
9402 MEDCoupling1SGTUMesh *MEDCouplingUMesh::tetrahedrize(int policy, DataArrayInt *& n2oCells, int& nbOfAdditionalPoints) const
9404 INTERP_KERNEL::SplittingPolicy pol((INTERP_KERNEL::SplittingPolicy)policy);
9405 checkConnectivityFullyDefined();
9406 if(getMeshDimension()!=3 || getSpaceDimension()!=3)
9407 throw INTERP_KERNEL::Exception("MEDCouplingUMesh::tetrahedrize : only available for mesh with meshdim == 3 and spacedim == 3 !");
9408 int nbOfCells(getNumberOfCells()),nbNodes(getNumberOfNodes());
9409 MEDCouplingAutoRefCountObjectPtr<MEDCoupling1SGTUMesh> ret0(MEDCoupling1SGTUMesh::New(getName().c_str(),INTERP_KERNEL::NORM_TETRA4));
9410 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> ret(DataArrayInt::New()); ret->alloc(nbOfCells,1);
9411 int *retPt(ret->getPointer());
9412 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> newConn(DataArrayInt::New()); newConn->alloc(0,1);
9413 MEDCouplingAutoRefCountObjectPtr<DataArrayDouble> addPts(DataArrayDouble::New()); addPts->alloc(0,1);
9414 const int *oldc(_nodal_connec->begin());
9415 const int *oldci(_nodal_connec_index->begin());
9416 const double *coords(_coords->begin());
9417 for(int i=0;i<nbOfCells;i++,oldci++,retPt++)
9419 std::vector<int> a; std::vector<double> b;
9420 INTERP_KERNEL::SplitIntoTetras(pol,(INTERP_KERNEL::NormalizedCellType)oldc[oldci[0]],oldc+oldci[0]+1,oldc+oldci[1],coords,a,b);
9421 std::size_t nbOfTet(a.size()/4); *retPt=(int)nbOfTet;
9422 const int *aa(&a[0]);
9425 for(std::vector<int>::iterator it=a.begin();it!=a.end();it++)
9427 *it=(-(*(it))-1+nbNodes);
9428 addPts->insertAtTheEnd(b.begin(),b.end());
9429 nbNodes+=(int)b.size()/3;
9431 for(std::size_t j=0;j<nbOfTet;j++,aa+=4)
9432 newConn->insertAtTheEnd(aa,aa+4);
9434 if(!addPts->empty())
9436 addPts->rearrange(3);
9437 nbOfAdditionalPoints=addPts->getNumberOfTuples();
9438 addPts=DataArrayDouble::Aggregate(getCoords(),addPts);
9439 ret0->setCoords(addPts);
9443 nbOfAdditionalPoints=0;
9444 ret0->setCoords(getCoords());
9446 ret0->setNodalConnectivity(newConn);
9448 ret->computeOffsets2();
9449 n2oCells=ret->buildExplicitArrOfSliceOnScaledArr(0,nbOfCells,1);
9453 MEDCouplingUMeshCellIterator::MEDCouplingUMeshCellIterator(MEDCouplingUMesh *mesh):_mesh(mesh),_cell(new MEDCouplingUMeshCell(mesh)),
9454 _own_cell(true),_cell_id(-1),_nb_cell(0)
9459 _nb_cell=mesh->getNumberOfCells();
9463 MEDCouplingUMeshCellIterator::~MEDCouplingUMeshCellIterator()
9471 MEDCouplingUMeshCellIterator::MEDCouplingUMeshCellIterator(MEDCouplingUMesh *mesh, MEDCouplingUMeshCell *itc, int bg, int end):_mesh(mesh),_cell(itc),
9472 _own_cell(false),_cell_id(bg-1),
9479 MEDCouplingUMeshCell *MEDCouplingUMeshCellIterator::nextt()
9482 if(_cell_id<_nb_cell)
9491 MEDCouplingUMeshCellByTypeEntry::MEDCouplingUMeshCellByTypeEntry(MEDCouplingUMesh *mesh):_mesh(mesh)
9497 MEDCouplingUMeshCellByTypeIterator *MEDCouplingUMeshCellByTypeEntry::iterator()
9499 return new MEDCouplingUMeshCellByTypeIterator(_mesh);
9502 MEDCouplingUMeshCellByTypeEntry::~MEDCouplingUMeshCellByTypeEntry()
9508 MEDCouplingUMeshCellEntry::MEDCouplingUMeshCellEntry(MEDCouplingUMesh *mesh, INTERP_KERNEL::NormalizedCellType type, MEDCouplingUMeshCell *itc, int bg, int end):_mesh(mesh),_type(type),
9516 MEDCouplingUMeshCellEntry::~MEDCouplingUMeshCellEntry()
9522 INTERP_KERNEL::NormalizedCellType MEDCouplingUMeshCellEntry::getType() const
9527 int MEDCouplingUMeshCellEntry::getNumberOfElems() const
9532 MEDCouplingUMeshCellIterator *MEDCouplingUMeshCellEntry::iterator()
9534 return new MEDCouplingUMeshCellIterator(_mesh,_itc,_bg,_end);
9537 MEDCouplingUMeshCellByTypeIterator::MEDCouplingUMeshCellByTypeIterator(MEDCouplingUMesh *mesh):_mesh(mesh),_cell(new MEDCouplingUMeshCell(mesh)),_cell_id(0),_nb_cell(0)
9542 _nb_cell=mesh->getNumberOfCells();
9546 MEDCouplingUMeshCellByTypeIterator::~MEDCouplingUMeshCellByTypeIterator()
9553 MEDCouplingUMeshCellEntry *MEDCouplingUMeshCellByTypeIterator::nextt()
9555 const int *c=_mesh->getNodalConnectivity()->getConstPointer();
9556 const int *ci=_mesh->getNodalConnectivityIndex()->getConstPointer();
9557 if(_cell_id<_nb_cell)
9559 INTERP_KERNEL::NormalizedCellType type=(INTERP_KERNEL::NormalizedCellType)c[ci[_cell_id]];
9560 int nbOfElems=(int)std::distance(ci+_cell_id,std::find_if(ci+_cell_id,ci+_nb_cell,ParaMEDMEMImpl::ConnReader(c,type)));
9561 int startId=_cell_id;
9562 _cell_id+=nbOfElems;
9563 return new MEDCouplingUMeshCellEntry(_mesh,type,_cell,startId,_cell_id);
9569 MEDCouplingUMeshCell::MEDCouplingUMeshCell(MEDCouplingUMesh *mesh):_conn(0),_conn_indx(0),_conn_lgth(NOTICABLE_FIRST_VAL)
9573 _conn=mesh->getNodalConnectivity()->getPointer();
9574 _conn_indx=mesh->getNodalConnectivityIndex()->getPointer();
9578 void MEDCouplingUMeshCell::next()
9580 if(_conn_lgth!=NOTICABLE_FIRST_VAL)
9585 _conn_lgth=_conn_indx[1]-_conn_indx[0];
9588 std::string MEDCouplingUMeshCell::repr() const
9590 if(_conn_lgth!=NOTICABLE_FIRST_VAL)
9592 std::ostringstream oss; oss << "Cell Type " << INTERP_KERNEL::CellModel::GetCellModel((INTERP_KERNEL::NormalizedCellType)_conn[0]).getRepr();
9594 std::copy(_conn+1,_conn+_conn_lgth,std::ostream_iterator<int>(oss," "));
9598 return std::string("MEDCouplingUMeshCell::repr : Invalid pos");
9601 INTERP_KERNEL::NormalizedCellType MEDCouplingUMeshCell::getType() const
9603 if(_conn_lgth!=NOTICABLE_FIRST_VAL)
9604 return (INTERP_KERNEL::NormalizedCellType)_conn[0];
9606 return INTERP_KERNEL::NORM_ERROR;
9609 const int *MEDCouplingUMeshCell::getAllConn(int& lgth) const
9612 if(_conn_lgth!=NOTICABLE_FIRST_VAL)