1 // Copyright (C) 2007-2014 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, or (at your option) any later version.
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 "MEDCouplingIMesh.hxx"
22 #include "MEDCouplingCMesh.hxx"
23 #include "MEDCouplingMemArray.hxx"
24 #include "MEDCouplingFieldDouble.hxx"
31 using namespace ParaMEDMEM;
33 MEDCouplingIMesh::MEDCouplingIMesh():_space_dim(-1)
35 _origin[0]=0.; _origin[1]=0.; _origin[2]=0.;
36 _dxyz[0]=0.; _dxyz[1]=0.; _dxyz[2]=0.;
37 _structure[0]=0; _structure[1]=0; _structure[2]=0;
40 MEDCouplingIMesh::MEDCouplingIMesh(const MEDCouplingIMesh& other, bool deepCopy):MEDCouplingStructuredMesh(other,deepCopy),_space_dim(other._space_dim),_axis_unit(other._axis_unit)
42 _origin[0]=other._origin[0]; _origin[1]=other._origin[1]; _origin[2]=other._origin[2];
43 _dxyz[0]=other._dxyz[0]; _dxyz[1]=other._dxyz[1]; _dxyz[2]=other._dxyz[2];
44 _structure[0]=other._structure[0]; _structure[1]=other._structure[1]; _structure[2]=other._structure[2];
47 MEDCouplingIMesh::~MEDCouplingIMesh()
51 MEDCouplingIMesh *MEDCouplingIMesh::New()
53 return new MEDCouplingIMesh;
56 MEDCouplingIMesh *MEDCouplingIMesh::New(const std::string& meshName, int spaceDim, const int *nodeStrctStart, const int *nodeStrctStop,
57 const double *originStart, const double *originStop, const double *dxyzStart, const double *dxyzStop)
59 MEDCouplingAutoRefCountObjectPtr<MEDCouplingIMesh> ret(new MEDCouplingIMesh);
60 ret->setName(meshName);
61 ret->setSpaceDimension(spaceDim);
62 ret->setNodeStruct(nodeStrctStart,nodeStrctStop);
63 ret->setOrigin(originStart,originStop);
64 ret->setDXYZ(dxyzStart,dxyzStop);
68 MEDCouplingMesh *MEDCouplingIMesh::deepCpy() const
73 MEDCouplingIMesh *MEDCouplingIMesh::clone(bool recDeepCpy) const
75 return new MEDCouplingIMesh(*this,recDeepCpy);
78 void MEDCouplingIMesh::setNodeStruct(const int *nodeStrctStart, const int *nodeStrctStop)
80 checkSpaceDimension();
81 int sz((int)std::distance(nodeStrctStart,nodeStrctStop));
83 throw INTERP_KERNEL::Exception("MEDCouplingIMesh::setNodeStruct : input vector of node structure has not the right size ! Or change space dimension before calling it !");
84 std::copy(nodeStrctStart,nodeStrctStop,_structure);
88 std::vector<int> MEDCouplingIMesh::getNodeStruct() const
90 checkSpaceDimension();
91 return std::vector<int>(_structure,_structure+_space_dim);
94 void MEDCouplingIMesh::setOrigin(const double *originStart, const double *originStop)
96 checkSpaceDimension();
97 int sz((int)std::distance(originStart,originStop));
99 throw INTERP_KERNEL::Exception("MEDCouplingIMesh::setOrigin : input vector of origin vector has not the right size ! Or change space dimension before calling it !");
100 std::copy(originStart,originStop,_origin);
104 std::vector<double> MEDCouplingIMesh::getOrigin() const
106 checkSpaceDimension();
107 return std::vector<double>(_origin,_origin+_space_dim);
110 void MEDCouplingIMesh::setDXYZ(const double *dxyzStart, const double *dxyzStop)
112 checkSpaceDimension();
113 int sz((int)std::distance(dxyzStart,dxyzStop));
115 throw INTERP_KERNEL::Exception("MEDCouplingIMesh::setDXYZ : input vector of dxyz vector has not the right size ! Or change space dimension before calling it !");
116 std::copy(dxyzStart,dxyzStop,_dxyz);
120 std::vector<double> MEDCouplingIMesh::getDXYZ() const
122 checkSpaceDimension();
123 return std::vector<double>(_dxyz,_dxyz+_space_dim);
126 void MEDCouplingIMesh::setAxisUnit(const std::string& unitName)
132 std::string MEDCouplingIMesh::getAxisUnit() const
138 * This method returns the measure of any cell in \a this.
139 * This specific method of image grid mesh utilizes the fact that any cell in \a this have the same measure.
140 * The value returned by this method is those used to feed the returned field in the MEDCouplingIMesh::getMeasureField.
142 * \sa getMeasureField
144 double MEDCouplingIMesh::getMeasureOfAnyCell() const
147 int dim(getSpaceDimension());
149 for(int i=0;i<dim;i++)
155 * This method is allows to convert \a this into MEDCouplingCMesh instance.
156 * This method is the middle level between MEDCouplingIMesh and the most general MEDCouplingUMesh.
157 * This method is useful for MED writers that do not have still the image grid support.
159 * \sa MEDCouplingMesh::buildUnstructured
161 MEDCouplingCMesh *MEDCouplingIMesh::convertToCartesian() const
164 MEDCouplingAutoRefCountObjectPtr<MEDCouplingCMesh> ret(MEDCouplingCMesh::New());
166 { ret->copyTinyInfoFrom(this); }
167 catch(INTERP_KERNEL::Exception& ) { }
168 int spaceDim(getSpaceDimension());
169 std::vector<std::string> infos(buildInfoOnComponents());
170 for(int i=0;i<spaceDim;i++)
172 MEDCouplingAutoRefCountObjectPtr<DataArrayDouble> arr(DataArrayDouble::New()); arr->alloc(_structure[i],1); arr->setInfoOnComponent(0,infos[i]);
173 arr->iota(); arr->applyLin(_dxyz[i],_origin[i]);
174 ret->setCoordsAt(i,arr);
180 * This method refines \a this uniformaly along all of its dimensions. In case of success the space covered by \a this will remain
181 * the same before the invocation except that the number of cells will be multiplied by \a factor ^ this->getMeshDimension().
182 * The origin of \a this will be not touched only spacing and node structure will be changed.
183 * This method can be useful for AMR users.
185 void MEDCouplingIMesh::refineWithFactor(int factor)
188 throw INTERP_KERNEL::Exception("MEDCouplingIMesh::refineWithFactor : refinement factor must be != 0 !");
190 int factAbs(std::abs(factor));
191 double fact2(1./(double)factor);
192 std::transform(_structure,_structure+_space_dim,_structure,std::bind2nd(std::plus<int>(),-1));
193 std::transform(_structure,_structure+_space_dim,_structure,std::bind2nd(std::multiplies<int>(),factAbs));
194 std::transform(_structure,_structure+_space_dim,_structure,std::bind2nd(std::plus<int>(),1));
195 std::transform(_dxyz,_dxyz+_space_dim,_dxyz,std::bind2nd(std::multiplies<double>(),fact2));
200 * This static method is useful to condense field on cells of a MEDCouplingIMesh instance coming from a refinement ( MEDCouplingIMesh::refineWithFactor for example)
201 * to a coarse MEDCouplingIMesh instance. So this method can be seen as a specialization in P0P0 conservative interpolation non overlaping from fine image mesh
202 * to a coarse image mesh. Only tuples ( deduced from \a fineLocInCoarse ) of \a coarseDA will be modified. Other tuples of \a coarseDA will be let unchanged.
204 * \param [in,out] coarseDA The DataArrayDouble corresponding to the a cell field of a coarse mesh whose cell structure is defined by \a coarseSt.
205 * \param [in] coarseSt The cell structure of coarse mesh.
206 * \param [in] fineDA The DataArray containing the cell field on uniformly refined mesh
207 * \param [in] fineLocInCoarse The cell localization of refined mesh into the coarse one.
209 void MEDCouplingIMesh::CondenseFineToCoarse(DataArrayDouble *coarseDA, const std::vector<int>& coarseSt, const DataArrayDouble *fineDA, const std::vector< std::pair<int,int> >& fineLocInCoarse)
211 if(!coarseDA || !coarseDA->isAllocated() || !fineDA || !fineDA->isAllocated())
212 throw INTERP_KERNEL::Exception("MEDCouplingIMesh::CondenseFineToCoarse : the parameters 1 or 3 are NULL or not allocated !");
213 int meshDim((int)coarseSt.size()),nbOfTuplesInCoarseExp(MEDCouplingStructuredMesh::DeduceNumberOfGivenStructure(coarseSt)),nbOfTuplesInFineExp(MEDCouplingStructuredMesh::DeduceNumberOfGivenRangeInCompactFrmt(fineLocInCoarse));
214 int nbCompo(fineDA->getNumberOfComponents());
215 if(coarseDA->getNumberOfComponents()!=nbCompo)
216 throw INTERP_KERNEL::Exception("MEDCouplingIMesh::CondenseFineToCoarse : the number of components of fine DA and coarse one mismatches !");
217 if(meshDim!=(int)fineLocInCoarse.size())
218 throw INTERP_KERNEL::Exception("MEDCouplingIMesh::CondenseFineToCoarse : the size of fineLocInCoarse (4th param) must be equal to the sier of coarseSt (2nd param) !");
219 if(coarseDA->getNumberOfTuples()!=nbOfTuplesInCoarseExp)
221 std::ostringstream oss; oss << "MEDCouplingIMesh::CondenseFineToCoarse : Expecting " << nbOfTuplesInCoarseExp << " having " << coarseDA->getNumberOfTuples() << " !";
222 throw INTERP_KERNEL::Exception(oss.str().c_str());
224 int nbTuplesFine(fineDA->getNumberOfTuples());
225 if(nbTuplesFine%nbOfTuplesInFineExp!=0)
226 throw INTERP_KERNEL::Exception("MEDCouplingIMesh::CondenseFineToCoarse : Invalid nb of tuples in fine DataArray regarding its structure !");
227 int factN(nbTuplesFine/nbOfTuplesInFineExp);
228 int fact(FindIntRoot(factN,meshDim));
229 // to improve use jump-iterator. Factorizes with SwitchOnIdsFrom BuildExplicitIdsFrom
230 double *outPtr(coarseDA->getPointer());
231 const double *inPtr(fineDA->begin());
233 std::vector<int> dims(MEDCouplingStructuredMesh::GetDimensionsFromCompactFrmt(fineLocInCoarse));
238 int offset(fineLocInCoarse[0].first);
239 for(int i=0;i<dims[0];i++)
241 double *loc(outPtr+(offset+i)*nbCompo);
242 for(int ifact=0;ifact<fact;ifact++,inPtr+=nbCompo)
245 std::transform(inPtr,inPtr+nbCompo,loc,loc,std::plus<double>());
247 std::copy(inPtr,inPtr+nbCompo,loc);
254 int kk(fineLocInCoarse[0].first+coarseSt[0]*fineLocInCoarse[1].first);
255 for(int j=0;j<dims[1];j++)
257 for(int jfact=0;jfact<fact;jfact++)
259 for(int i=0;i<dims[0];i++)
261 double *loc(outPtr+(kk+i)*nbCompo);
262 for(int ifact=0;ifact<fact;ifact++,inPtr+=nbCompo)
264 if(jfact!=0 || ifact!=0)
265 std::transform(inPtr,inPtr+nbCompo,loc,loc,std::plus<double>());
267 std::copy(inPtr,inPtr+nbCompo,loc);
277 int kk(fineLocInCoarse[0].first+coarseSt[0]*fineLocInCoarse[1].first+coarseSt[0]*coarseSt[1]*fineLocInCoarse[2].first);
278 for(int k=0;k<dims[2];k++)
280 for(int kfact=0;kfact<fact;kfact++)
282 for(int j=0;j<dims[1];j++)
284 for(int jfact=0;jfact<fact;jfact++)
286 for(int i=0;i<dims[0];i++)
288 double *loc(outPtr+(kk+i+j*coarseSt[0])*nbCompo);
289 for(int ifact=0;ifact<fact;ifact++,inPtr+=nbCompo)
291 if(kfact!=0 || jfact!=0 || ifact!=0)
292 std::transform(inPtr,inPtr+nbCompo,loc,loc,std::plus<double>());
294 std::copy(inPtr,inPtr+nbCompo,loc);
300 kk+=coarseSt[0]*coarseSt[1];
305 throw INTERP_KERNEL::Exception("MEDCouplingIMesh::CondenseFineToCoarse : only dimensions 1, 2 and 3 supported !");
309 void MEDCouplingIMesh::setSpaceDimension(int spaceDim)
311 if(spaceDim==_space_dim)
313 CheckSpaceDimension(spaceDim);
318 void MEDCouplingIMesh::updateTime() const
322 std::size_t MEDCouplingIMesh::getHeapMemorySizeWithoutChildren() const
324 return MEDCouplingStructuredMesh::getHeapMemorySizeWithoutChildren();
327 std::vector<const BigMemoryObject *> MEDCouplingIMesh::getDirectChildren() const
329 return std::vector<const BigMemoryObject *>();
333 * This method copyies all tiny strings from other (name and components name).
334 * @throw if other and this have not same mesh type.
336 void MEDCouplingIMesh::copyTinyStringsFrom(const MEDCouplingMesh *other)
338 const MEDCouplingIMesh *otherC=dynamic_cast<const MEDCouplingIMesh *>(other);
340 throw INTERP_KERNEL::Exception("MEDCouplingIMesh::copyTinyStringsFrom : meshes have not same type !");
341 MEDCouplingStructuredMesh::copyTinyStringsFrom(other);
345 bool MEDCouplingIMesh::isEqualIfNotWhy(const MEDCouplingMesh *other, double prec, std::string& reason) const
348 throw INTERP_KERNEL::Exception("MEDCouplingIMesh::isEqualIfNotWhy : input other pointer is null !");
349 const MEDCouplingIMesh *otherC(dynamic_cast<const MEDCouplingIMesh *>(other));
352 reason="mesh given in input is not castable in MEDCouplingIMesh !";
355 if(!MEDCouplingStructuredMesh::isEqualIfNotWhy(other,prec,reason))
357 if(!isEqualWithoutConsideringStrInternal(otherC,prec,reason))
359 if(_axis_unit!=otherC->_axis_unit)
361 reason="The units of axis are not the same !";
367 bool MEDCouplingIMesh::isEqualWithoutConsideringStr(const MEDCouplingMesh *other, double prec) const
369 const MEDCouplingIMesh *otherC=dynamic_cast<const MEDCouplingIMesh *>(other);
373 return isEqualWithoutConsideringStrInternal(other,prec,tmp);
376 bool MEDCouplingIMesh::isEqualWithoutConsideringStrInternal(const MEDCouplingMesh *other, double prec, std::string& reason) const
378 const MEDCouplingIMesh *otherC=dynamic_cast<const MEDCouplingIMesh *>(other);
381 if(_space_dim!=otherC->_space_dim)
383 std::ostringstream oss;
384 oss << "The spaceDimension of this (" << _space_dim << ") is not equal to those of other (" << otherC->_space_dim << ") !";
387 checkSpaceDimension();
388 for(int i=0;i<_space_dim;i++)
390 if(fabs(_origin[i]-otherC->_origin[i])>prec)
392 std::ostringstream oss;
393 oss << "The origin of this and other differs at " << i << " !";
398 for(int i=0;i<_space_dim;i++)
400 if(fabs(_dxyz[i]-otherC->_dxyz[i])>prec)
402 std::ostringstream oss;
403 oss << "The delta of this and other differs at " << i << " !";
408 for(int i=0;i<_space_dim;i++)
410 if(_structure[i]!=otherC->_structure[i])
412 std::ostringstream oss;
413 oss << "The structure of this and other differs at " << i << " !";
421 void MEDCouplingIMesh::checkDeepEquivalWith(const MEDCouplingMesh *other, int cellCompPol, double prec,
422 DataArrayInt *&cellCor, DataArrayInt *&nodeCor) const
424 if(!isEqualWithoutConsideringStr(other,prec))
425 throw INTERP_KERNEL::Exception("MEDCouplingIMesh::checkDeepEquivalWith : Meshes are not the same !");
429 * Nothing is done here (except to check that the other is a ParaMEDMEM::MEDCouplingIMesh instance too).
430 * The user intend that the nodes are the same, so by construction of ParaMEDMEM::MEDCouplingIMesh, \a this and \a other are the same !
432 void MEDCouplingIMesh::checkDeepEquivalOnSameNodesWith(const MEDCouplingMesh *other, int cellCompPol, double prec,
433 DataArrayInt *&cellCor) const
435 if(!isEqualWithoutConsideringStr(other,prec))
436 throw INTERP_KERNEL::Exception("MEDCouplingIMesh::checkDeepEquivalOnSameNodesWith : Meshes are not the same !");
439 void MEDCouplingIMesh::checkCoherency() const
441 checkSpaceDimension();
442 for(int i=0;i<_space_dim;i++)
445 std::ostringstream oss; oss << "MEDCouplingIMesh::checkCoherency : On axis " << i << "/" << _space_dim << ", number of nodes is equal to " << _structure[i] << " ! must be >=1 !";
446 throw INTERP_KERNEL::Exception(oss.str().c_str());
450 void MEDCouplingIMesh::checkCoherency1(double eps) const
455 void MEDCouplingIMesh::checkCoherency2(double eps) const
457 checkCoherency1(eps);
460 void MEDCouplingIMesh::getNodeGridStructure(int *res) const
462 checkSpaceDimension();
463 std::copy(_structure,_structure+_space_dim,res);
466 std::vector<int> MEDCouplingIMesh::getNodeGridStructure() const
468 checkSpaceDimension();
469 std::vector<int> ret(_structure,_structure+_space_dim);
473 MEDCouplingStructuredMesh *MEDCouplingIMesh::buildStructuredSubPart(const std::vector< std::pair<int,int> >& cellPart) const
476 int dim(getSpaceDimension());
477 if(dim!=(int)cellPart.size())
479 std::ostringstream oss; oss << "MEDCouplingIMesh::buildStructuredSubPart : the space dimension is " << dim << " and cell part size is " << cellPart.size() << " !";
480 throw INTERP_KERNEL::Exception(oss.str().c_str());
482 double retOrigin[3]={0.,0.,0.};
483 int retStruct[3]={0,0,0};
484 MEDCouplingAutoRefCountObjectPtr<MEDCouplingIMesh> ret(dynamic_cast<MEDCouplingIMesh *>(deepCpy()));
485 for(int i=0;i<dim;i++)
487 int startNode(cellPart[i].first),endNode(cellPart[i].second+1);
488 int myDelta(endNode-startNode);
489 if(startNode<0 || startNode>=_structure[i])
491 std::ostringstream oss; oss << "MEDCouplingIMesh::buildStructuredSubPart : At dimension #" << i << " the start node id is " << startNode << " it should be in [0," << _structure[i] << ") !";
492 throw INTERP_KERNEL::Exception(oss.str().c_str());
494 if(myDelta<0 || myDelta>_structure[i])
496 std::ostringstream oss; oss << "MEDCouplingIMesh::buildStructuredSubPart : Along dimension #" << i << " the number of nodes is " << _structure[i] << ", and you are requesting for " << myDelta << " nodes wide range !" << std::endl;
497 throw INTERP_KERNEL::Exception(oss.str().c_str());
499 retOrigin[i]=_origin[i]+startNode*_dxyz[i];
500 retStruct[i]=myDelta;
502 ret->setNodeStruct(retStruct,retStruct+dim);
503 ret->setOrigin(retOrigin,retOrigin+dim);
504 ret->checkCoherency();
509 * Return the space dimension of \a this.
511 int MEDCouplingIMesh::getSpaceDimension() const
516 void MEDCouplingIMesh::getCoordinatesOfNode(int nodeId, std::vector<double>& coo) const
519 int spaceDim(getSpaceDimension());
520 getSplitNodeValues(tmp);
522 GetPosFromId(nodeId,spaceDim,tmp,tmp2);
523 for(int j=0;j<spaceDim;j++)
524 coo.push_back(_origin[j]+_dxyz[j]*tmp2[j]);
527 std::string MEDCouplingIMesh::simpleRepr() const
529 std::ostringstream ret;
530 ret << "Image grid with name : \"" << getName() << "\"\n";
531 ret << "Description of mesh : \"" << getDescription() << "\"\n";
533 double tt(getTime(tmpp1,tmpp2));
534 int spaceDim(_space_dim);
535 ret << "Time attached to the mesh [unit] : " << tt << " [" << getTimeUnit() << "]\n";
536 ret << "Iteration : " << tmpp1 << " Order : " << tmpp2 << "\n";
537 ret << "Space dimension : " << spaceDim << "\n";
538 if(spaceDim<0 || spaceDim>3)
540 ret << "The nodal structure is : "; std::copy(_structure,_structure+spaceDim,std::ostream_iterator<int>(ret," ")); ret << "\n";
541 ret << "The origin position is [" << _axis_unit << "]: ";
542 std::copy(_origin,_origin+spaceDim,std::ostream_iterator<double>(ret," ")); ret << "\n";
543 ret << "The intervals along axis are : ";
544 std::copy(_dxyz,_dxyz+spaceDim,std::ostream_iterator<double>(ret," ")); ret << "\n";
548 std::string MEDCouplingIMesh::advancedRepr() const
553 void MEDCouplingIMesh::getBoundingBox(double *bbox) const
556 int dim(getSpaceDimension());
557 for(int idim=0; idim<dim; idim++)
559 bbox[2*idim]=_origin[idim];
560 bbox[2*idim+1]=_origin[idim]+_dxyz[idim]*_structure[idim];
565 * Returns a new MEDCouplingFieldDouble containing volumes of cells constituting \a this
567 * For 1D cells, the returned field contains lengths.<br>
568 * For 2D cells, the returned field contains areas.<br>
569 * For 3D cells, the returned field contains volumes.
570 * \param [in] isAbs - a not used parameter.
571 * \return MEDCouplingFieldDouble * - a new instance of MEDCouplingFieldDouble on cells
572 * and one time . The caller is to delete this field using decrRef() as it is no
575 MEDCouplingFieldDouble *MEDCouplingIMesh::getMeasureField(bool isAbs) const
578 std::string name="MeasureOfMesh_";
580 int nbelem(getNumberOfCells());
581 MEDCouplingFieldDouble *field(MEDCouplingFieldDouble::New(ON_CELLS,ONE_TIME));
582 field->setName(name);
583 DataArrayDouble* array(DataArrayDouble::New());
584 array->alloc(nbelem,1);
585 array->fillWithValue(getMeasureOfAnyCell());
586 field->setArray(array) ;
588 field->setMesh(const_cast<MEDCouplingIMesh *>(this));
589 field->synchronizeTimeWithMesh();
594 * not implemented yet !
596 MEDCouplingFieldDouble *MEDCouplingIMesh::getMeasureFieldOnNode(bool isAbs) const
598 throw INTERP_KERNEL::Exception("MEDCouplingIMesh::getMeasureFieldOnNode : not implemented yet !");
602 int MEDCouplingIMesh::getCellContainingPoint(const double *pos, double eps) const
604 int dim(getSpaceDimension()),ret(0),coeff(1);
605 for(int i=0;i<dim;i++)
607 int nbOfCells(_structure[i]-1);
609 int tmp((int)((ref-_origin[i])/_dxyz[i]));
610 if(tmp>=0 && tmp<nbOfCells)
621 void MEDCouplingIMesh::rotate(const double *center, const double *vector, double angle)
623 throw INTERP_KERNEL::Exception("No rotation available on IMesh : Traduce it to unstructured mesh to apply it !");
627 * Translates all nodes of \a this mesh by a given vector. Actually, it adds each
628 * component of the \a vector to all node coordinates of a corresponding axis.
629 * \param [in] vector - the translation vector whose size must be not less than \a
630 * this->getSpaceDimension().
632 void MEDCouplingIMesh::translate(const double *vector)
634 checkSpaceDimension();
635 int dim(getSpaceDimension());
636 std::transform(_origin,_origin+dim,vector,_origin,std::plus<double>());
641 * Applies scaling transformation to all nodes of \a this mesh.
642 * \param [in] point - coordinates of a scaling center. This array is to be of
643 * size \a this->getSpaceDimension() at least.
644 * \param [in] factor - a scale factor.
646 void MEDCouplingIMesh::scale(const double *point, double factor)
648 checkSpaceDimension();
649 int dim(getSpaceDimension());
650 std::transform(_origin,_origin+dim,point,_origin,std::minus<double>());
651 std::transform(_origin,_origin+dim,_origin,std::bind2nd(std::multiplies<double>(),factor));
652 std::transform(_dxyz,_dxyz+dim,_dxyz,std::bind2nd(std::multiplies<double>(),factor));
653 std::transform(_origin,_origin+dim,point,_origin,std::plus<double>());
657 MEDCouplingMesh *MEDCouplingIMesh::mergeMyselfWith(const MEDCouplingMesh *other) const
659 //not implemented yet !
664 * Returns a new DataArrayDouble holding coordinates of all nodes of \a this mesh.
665 * \return DataArrayDouble * - a new instance of DataArrayDouble, of size \a
666 * this->getNumberOfNodes() tuples per \a this->getSpaceDimension()
667 * components. The caller is to delete this array using decrRef() as it is
670 DataArrayDouble *MEDCouplingIMesh::getCoordinatesAndOwner() const
673 MEDCouplingAutoRefCountObjectPtr<DataArrayDouble> ret(DataArrayDouble::New());
674 int spaceDim(getSpaceDimension()),nbNodes(getNumberOfNodes());
675 ret->alloc(nbNodes,spaceDim);
676 double *pt(ret->getPointer());
677 ret->setInfoOnComponents(buildInfoOnComponents());
679 getSplitNodeValues(tmp);
680 for(int i=0;i<nbNodes;i++)
682 GetPosFromId(i,spaceDim,tmp,tmp2);
683 for(int j=0;j<spaceDim;j++)
684 pt[i*spaceDim+j]=_dxyz[j]*tmp2[j]+_origin[j];
690 * Returns a new DataArrayDouble holding barycenters of all cells. The barycenter is
691 * computed by averaging coordinates of cell nodes.
692 * \return DataArrayDouble * - a new instance of DataArrayDouble, of size \a
693 * this->getNumberOfCells() tuples per \a this->getSpaceDimension()
694 * components. The caller is to delete this array using decrRef() as it is
697 DataArrayDouble *MEDCouplingIMesh::getBarycenterAndOwner() const
700 MEDCouplingAutoRefCountObjectPtr<DataArrayDouble> ret(DataArrayDouble::New());
701 int spaceDim(getSpaceDimension()),nbCells(getNumberOfCells()),tmp[3],tmp2[3];
702 ret->alloc(nbCells,spaceDim);
703 double *pt(ret->getPointer()),shiftOrigin[3];
704 std::transform(_dxyz,_dxyz+spaceDim,shiftOrigin,std::bind2nd(std::multiplies<double>(),0.5));
705 std::transform(_origin,_origin+spaceDim,shiftOrigin,shiftOrigin,std::plus<double>());
706 getSplitCellValues(tmp);
707 ret->setInfoOnComponents(buildInfoOnComponents());
708 for(int i=0;i<nbCells;i++)
710 GetPosFromId(i,spaceDim,tmp,tmp2);
711 for(int j=0;j<spaceDim;j++)
712 pt[i*spaceDim+j]=_dxyz[j]*tmp2[j]+shiftOrigin[j];
717 DataArrayDouble *MEDCouplingIMesh::computeIsoBarycenterOfNodesPerCell() const
719 return MEDCouplingIMesh::getBarycenterAndOwner();
722 void MEDCouplingIMesh::renumberCells(const int *old2NewBg, bool check)
724 throw INTERP_KERNEL::Exception("Functionnality of renumbering cell not available for IMesh !");
727 void MEDCouplingIMesh::getTinySerializationInformation(std::vector<double>& tinyInfoD, std::vector<int>& tinyInfo, std::vector<std::string>& littleStrings) const
730 double time(getTime(it,order));
733 littleStrings.clear();
734 littleStrings.push_back(getName());
735 littleStrings.push_back(getDescription());
736 littleStrings.push_back(getTimeUnit());
737 littleStrings.push_back(getAxisUnit());
738 tinyInfo.push_back(it);
739 tinyInfo.push_back(order);
740 tinyInfo.push_back(_space_dim);
741 tinyInfo.insert(tinyInfo.end(),_structure,_structure+3);
742 tinyInfoD.push_back(time);
743 tinyInfoD.insert(tinyInfoD.end(),_dxyz,_dxyz+3);
744 tinyInfoD.insert(tinyInfoD.end(),_origin,_origin+3);
747 void MEDCouplingIMesh::resizeForUnserialization(const std::vector<int>& tinyInfo, DataArrayInt *a1, DataArrayDouble *a2, std::vector<std::string>& littleStrings) const
753 void MEDCouplingIMesh::serialize(DataArrayInt *&a1, DataArrayDouble *&a2) const
755 a1=DataArrayInt::New();
757 a2=DataArrayDouble::New();
761 void MEDCouplingIMesh::unserialization(const std::vector<double>& tinyInfoD, const std::vector<int>& tinyInfo, const DataArrayInt *a1, DataArrayDouble *a2,
762 const std::vector<std::string>& littleStrings)
764 setName(littleStrings[0]);
765 setDescription(littleStrings[1]);
766 setTimeUnit(littleStrings[2]);
767 setAxisUnit(littleStrings[3]);
768 setTime(tinyInfoD[0],tinyInfo[0],tinyInfo[1]);
769 _space_dim=tinyInfo[2];
770 _structure[0]=tinyInfo[3]; _structure[1]=tinyInfo[4]; _structure[2]=tinyInfo[5];
771 _dxyz[0]=tinyInfoD[1]; _dxyz[1]=tinyInfoD[2]; _dxyz[2]=tinyInfoD[3];
772 _origin[0]=tinyInfoD[4]; _origin[1]=tinyInfoD[5]; _origin[2]=tinyInfoD[6];
776 void MEDCouplingIMesh::writeVTKLL(std::ostream& ofs, const std::string& cellData, const std::string& pointData, DataArrayByte *byteData) const
779 std::ostringstream extent,origin,spacing;
783 { extent << "0 " << _structure[i]-1 << " "; origin << _origin[i] << " "; spacing << _dxyz[i] << " "; }
785 { extent << "0 0 "; origin << "0 "; spacing << "0 "; }
787 ofs << " <" << getVTKDataSetType() << " WholeExtent=\"" << extent.str() << "\" Origin=\"" << origin.str() << "\" Spacing=\"" << spacing.str() << "\">\n";
788 ofs << " <Piece Extent=\"" << extent.str() << "\">\n";
789 ofs << " <PointData>\n" << pointData << std::endl;
790 ofs << " </PointData>\n";
791 ofs << " <CellData>\n" << cellData << std::endl;
792 ofs << " </CellData>\n";
793 ofs << " <Coordinates>\n";
794 ofs << " </Coordinates>\n";
795 ofs << " </Piece>\n";
796 ofs << " </" << getVTKDataSetType() << ">\n";
799 void MEDCouplingIMesh::reprQuickOverview(std::ostream& stream) const
801 stream << "MEDCouplingIMesh C++ instance at " << this << ". Name : \"" << getName() << "\". Space dimension : " << _space_dim << ".";
802 if(_space_dim<0 || _space_dim>3)
805 std::ostringstream stream0,stream1;
806 int nbNodes(1),nbCells(0);
808 for(int i=0;i<_space_dim;i++)
811 int tmpNodes(_structure[i]);
812 stream1 << "- Axis " << tmp << " : " << tmpNodes << " nodes (orig=" << _origin[i] << ", inter=" << _dxyz[i] << ").";
814 stream1 << std::endl;
820 nbCells=nbCells==0?tmpNodes-1:nbCells*(tmpNodes-1);
824 stream0 << "Number of cells : " << nbCells << ", Number of nodes : " << nbNodes;
825 stream << stream0.str();
829 stream << stream1.str();
832 std::string MEDCouplingIMesh::getVTKDataSetType() const
834 return std::string("ImageData");
837 std::vector<std::string> MEDCouplingIMesh::buildInfoOnComponents() const
839 checkSpaceDimension();
840 int dim(getSpaceDimension());
841 std::vector<std::string> ret(dim);
842 for(int i=0;i<dim;i++)
844 std::ostringstream oss;
845 char tmp('X'+i); oss << tmp;
846 ret[i]=DataArray::BuildInfoFromVarAndUnit(oss.str(),_axis_unit);
851 void MEDCouplingIMesh::checkSpaceDimension() const
853 CheckSpaceDimension(_space_dim);
856 void MEDCouplingIMesh::CheckSpaceDimension(int spaceDim)
858 if(spaceDim<0 || spaceDim>3)
859 throw INTERP_KERNEL::Exception("MEDCouplingIMesh::CheckSpaceDimension : input spaceDim must be in [0,1,2,3] !");
862 int MEDCouplingIMesh::FindIntRoot(int val, int order)
867 throw INTERP_KERNEL::Exception("MEDCouplingIMesh::FindIntRoot : input val is < 0 ! Not possible to compute a root !");
870 if(order!=2 && order!=3)
871 throw INTERP_KERNEL::Exception("MEDCouplingIMesh::FindIntRoot : the order available are 0,1,2 or 3 !");
872 double valf((double)val);
875 double retf(sqrt(valf));
878 throw INTERP_KERNEL::Exception("MEDCouplingIMesh::FindIntRoot : the input val is not a perfect square root !");
883 double retf(std::pow(val,0.3333333333333333));
884 int ret((int)retf),ret2(ret+1);
885 if(ret*ret*ret!=val && ret2*ret2*ret2!=val)
886 throw INTERP_KERNEL::Exception("MEDCouplingIMesh::FindIntRoot : the input val is not a perfect cublic root !");