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(const std::vector<int>& factors)
187 if((int)factors.size()!=_space_dim)
188 throw INTERP_KERNEL::Exception("MEDCouplingIMesh::refineWithFactor : refinement factors must have size equal to spaceDim !");
190 std::vector<int> structure(_structure,_structure+3);
191 std::vector<double> dxyz(_dxyz,_dxyz+3);
192 for(int i=0;i<_space_dim;i++)
196 std::ostringstream oss; oss << "MEDCouplingIMesh::refineWithFactor : factor for axis #" << i << " (" << factors[i] << ")is invalid ! Must be > 0 !";
197 throw INTERP_KERNEL::Exception(oss.str().c_str());
199 int factAbs(std::abs(factors[i]));
200 double fact2(1./(double)factors[i]);
201 structure[i]=(_structure[i]-1)*factAbs+1;
202 dxyz[i]=fact2*_dxyz[i];
204 std::copy(structure.begin(),structure.end(),_structure);
205 std::copy(dxyz.begin(),dxyz.end(),_dxyz);
210 * This method returns a newly created mesh containing a single cell in it. This returned cell covers exactly the space covered by \a this.
212 * \return MEDCouplingIMesh * - A newly created object (to be managed by the caller with decrRef) containing simply one cell.
214 * \throw if \a this does not pass the \c checkCoherency test.
216 MEDCouplingIMesh *MEDCouplingIMesh::asSingleCell() const
219 int spaceDim(getSpaceDimension()),nodeSt[3];
221 for(int i=0;i<spaceDim;i++)
226 dxyz[i]=(_structure[i]-1)*_dxyz[i];
230 nodeSt[i]=_structure[i];
234 MEDCouplingAutoRefCountObjectPtr<MEDCouplingIMesh> ret(MEDCouplingIMesh::New(getName(),getSpaceDimension(),nodeSt,nodeSt+spaceDim,_origin,_origin+spaceDim,dxyz,dxyz+spaceDim));
235 ret->copyTinyInfoFrom(this);
240 * This static method is useful to condense field on cells of a MEDCouplingIMesh instance coming from a refinement ( MEDCouplingIMesh::refineWithFactor for example)
241 * to a coarse MEDCouplingIMesh instance. So this method can be seen as a specialization in P0P0 conservative interpolation non overlaping from fine image mesh
242 * 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.
244 * \param [in,out] coarseDA The DataArrayDouble corresponding to the a cell field of a coarse mesh whose cell structure is defined by \a coarseSt.
245 * \param [in] coarseSt The cell structure of coarse mesh.
246 * \param [in] fineDA The DataArray containing the cell field on uniformly refined mesh
247 * \param [in] fineLocInCoarse The cell localization of refined mesh into the coarse one.
248 * \param [in] facts The refinement coefficient per axis.
249 * \sa SpreadCoarseToFine
251 void MEDCouplingIMesh::CondenseFineToCoarse(DataArrayDouble *coarseDA, const std::vector<int>& coarseSt, const DataArrayDouble *fineDA, const std::vector< std::pair<int,int> >& fineLocInCoarse, const std::vector<int>& facts)
253 if(!coarseDA || !coarseDA->isAllocated() || !fineDA || !fineDA->isAllocated())
254 throw INTERP_KERNEL::Exception("MEDCouplingIMesh::CondenseFineToCoarse : the parameters 1 or 3 are NULL or not allocated !");
255 int meshDim((int)coarseSt.size()),nbOfTuplesInCoarseExp(MEDCouplingStructuredMesh::DeduceNumberOfGivenStructure(coarseSt)),nbOfTuplesInFineExp(MEDCouplingStructuredMesh::DeduceNumberOfGivenRangeInCompactFrmt(fineLocInCoarse));
256 int nbCompo(fineDA->getNumberOfComponents());
257 if(coarseDA->getNumberOfComponents()!=nbCompo)
258 throw INTERP_KERNEL::Exception("MEDCouplingIMesh::CondenseFineToCoarse : the number of components of fine DA and coarse one mismatches !");
259 if(meshDim!=(int)fineLocInCoarse.size() || meshDim!=(int)facts.size())
260 throw INTERP_KERNEL::Exception("MEDCouplingIMesh::CondenseFineToCoarse : the size of fineLocInCoarse (4th param) and facts (5th param) must be equal to the sier of coarseSt (2nd param) !");
261 if(coarseDA->getNumberOfTuples()!=nbOfTuplesInCoarseExp)
263 std::ostringstream oss; oss << "MEDCouplingIMesh::CondenseFineToCoarse : Expecting " << nbOfTuplesInCoarseExp << " tuples having " << coarseDA->getNumberOfTuples() << " !";
264 throw INTERP_KERNEL::Exception(oss.str().c_str());
266 int nbTuplesFine(fineDA->getNumberOfTuples());
267 if(nbTuplesFine%nbOfTuplesInFineExp!=0)
268 throw INTERP_KERNEL::Exception("MEDCouplingIMesh::CondenseFineToCoarse : Invalid nb of tuples in fine DataArray regarding its structure !");
269 int fact(std::accumulate(facts.begin(),facts.end(),1,std::multiplies<int>()));
270 if(nbTuplesFine!=fact*nbOfTuplesInFineExp)
272 std::ostringstream oss; oss << "MEDCouplingIMesh::CondenseFineToCoarse : Invalid number of tuples (" << nbTuplesFine << ") of fine dataarray is invalid ! Must be " << fact*nbOfTuplesInFineExp << "!";
273 throw INTERP_KERNEL::Exception(oss.str().c_str());
275 // to improve use jump-iterator. Factorizes with SwitchOnIdsFrom BuildExplicitIdsFrom
276 double *outPtr(coarseDA->getPointer());
277 const double *inPtr(fineDA->begin());
279 std::vector<int> dims(MEDCouplingStructuredMesh::GetDimensionsFromCompactFrmt(fineLocInCoarse));
284 int offset(fineLocInCoarse[0].first),fact0(facts[0]);
285 for(int i=0;i<dims[0];i++)
287 double *loc(outPtr+(offset+i)*nbCompo);
288 for(int ifact=0;ifact<fact0;ifact++,inPtr+=nbCompo)
291 std::transform(inPtr,inPtr+nbCompo,loc,loc,std::plus<double>());
293 std::copy(inPtr,inPtr+nbCompo,loc);
300 int kk(fineLocInCoarse[0].first+coarseSt[0]*fineLocInCoarse[1].first),fact1(facts[1]),fact0(facts[0]);
301 for(int j=0;j<dims[1];j++)
303 for(int jfact=0;jfact<fact1;jfact++)
305 for(int i=0;i<dims[0];i++)
307 double *loc(outPtr+(kk+i)*nbCompo);
308 for(int ifact=0;ifact<fact0;ifact++,inPtr+=nbCompo)
310 if(jfact!=0 || ifact!=0)
311 std::transform(inPtr,inPtr+nbCompo,loc,loc,std::plus<double>());
313 std::copy(inPtr,inPtr+nbCompo,loc);
323 int kk(fineLocInCoarse[0].first+coarseSt[0]*fineLocInCoarse[1].first+coarseSt[0]*coarseSt[1]*fineLocInCoarse[2].first),fact2(facts[2]),fact1(facts[1]),fact0(facts[0]);
324 for(int k=0;k<dims[2];k++)
326 for(int kfact=0;kfact<fact2;kfact++)
328 for(int j=0;j<dims[1];j++)
330 for(int jfact=0;jfact<fact1;jfact++)
332 for(int i=0;i<dims[0];i++)
334 double *loc(outPtr+(kk+i+j*coarseSt[0])*nbCompo);
335 for(int ifact=0;ifact<fact0;ifact++,inPtr+=nbCompo)
337 if(kfact!=0 || jfact!=0 || ifact!=0)
338 std::transform(inPtr,inPtr+nbCompo,loc,loc,std::plus<double>());
340 std::copy(inPtr,inPtr+nbCompo,loc);
346 kk+=coarseSt[0]*coarseSt[1];
351 throw INTERP_KERNEL::Exception("MEDCouplingIMesh::CondenseFineToCoarse : only dimensions 1, 2 and 3 supported !");
356 * This method spreads the values of coarse data \a coarseDA into \a fineDA.
358 * \param [in] coarseDA The DataArrayDouble corresponding to the a cell field of a coarse mesh whose cell structure is defined by \a coarseSt.
359 * \param [in] coarseSt The cell structure of coarse mesh.
360 * \param [in,out] fineDA The DataArray containing the cell field on uniformly refined mesh
361 * \param [in] fineLocInCoarse The cell localization of refined mesh into the coarse one.
362 * \param [in] facts The refinement coefficient per axis.
363 * \sa CondenseFineToCoarse
365 void MEDCouplingIMesh::SpreadCoarseToFine(const DataArrayDouble *coarseDA, const std::vector<int>& coarseSt, DataArrayDouble *fineDA, const std::vector< std::pair<int,int> >& fineLocInCoarse, const std::vector<int>& facts)
367 if(!coarseDA || !coarseDA->isAllocated() || !fineDA || !fineDA->isAllocated())
368 throw INTERP_KERNEL::Exception("MEDCouplingIMesh::SpreadCoarseToFine : the parameters 1 or 3 are NULL or not allocated !");
369 int meshDim((int)coarseSt.size()),nbOfTuplesInCoarseExp(MEDCouplingStructuredMesh::DeduceNumberOfGivenStructure(coarseSt)),nbOfTuplesInFineExp(MEDCouplingStructuredMesh::DeduceNumberOfGivenRangeInCompactFrmt(fineLocInCoarse));
370 int nbCompo(fineDA->getNumberOfComponents());
371 if(coarseDA->getNumberOfComponents()!=nbCompo)
372 throw INTERP_KERNEL::Exception("MEDCouplingIMesh::SpreadCoarseToFine : the number of components of fine DA and coarse one mismatches !");
373 if(meshDim!=(int)fineLocInCoarse.size() || meshDim!=(int)facts.size())
374 throw INTERP_KERNEL::Exception("MEDCouplingIMesh::SpreadCoarseToFine : the size of fineLocInCoarse (4th param) and facts (5th param) must be equal to the sier of coarseSt (2nd param) !");
375 if(coarseDA->getNumberOfTuples()!=nbOfTuplesInCoarseExp)
377 std::ostringstream oss; oss << "MEDCouplingIMesh::SpreadCoarseToFine : Expecting " << nbOfTuplesInCoarseExp << " tuples having " << coarseDA->getNumberOfTuples() << " !";
378 throw INTERP_KERNEL::Exception(oss.str().c_str());
380 int nbTuplesFine(fineDA->getNumberOfTuples());
381 if(nbTuplesFine%nbOfTuplesInFineExp!=0)
382 throw INTERP_KERNEL::Exception("MEDCouplingIMesh::SpreadCoarseToFine : Invalid nb of tuples in fine DataArray regarding its structure !");
383 int fact(std::accumulate(facts.begin(),facts.end(),1,std::multiplies<int>()));
384 if(nbTuplesFine!=fact*nbOfTuplesInFineExp)
386 std::ostringstream oss; oss << "MEDCouplingIMesh::SpreadCoarseToFine : Invalid number of tuples (" << nbTuplesFine << ") of fine dataarray is invalid ! Must be " << fact*nbOfTuplesInFineExp << "!";
387 throw INTERP_KERNEL::Exception(oss.str().c_str());
389 // to improve use jump-iterator. Factorizes with SwitchOnIdsFrom BuildExplicitIdsFrom
390 double *outPtr(fineDA->getPointer());
391 const double *inPtr(coarseDA->begin());
393 std::vector<int> dims(MEDCouplingStructuredMesh::GetDimensionsFromCompactFrmt(fineLocInCoarse));
398 int offset(fineLocInCoarse[0].first),fact0(facts[0]);
399 for(int i=0;i<dims[0];i++)
401 const double *loc(inPtr+(offset+i)*nbCompo);
402 for(int ifact=0;ifact<fact0;ifact++)
403 outPtr=std::copy(loc,loc+nbCompo,outPtr);
409 int kk(fineLocInCoarse[0].first+coarseSt[0]*fineLocInCoarse[1].first),fact0(facts[0]),fact1(facts[1]);
410 for(int j=0;j<dims[1];j++)
412 for(int jfact=0;jfact<fact1;jfact++)
414 for(int i=0;i<dims[0];i++)
416 const double *loc(inPtr+(kk+i)*nbCompo);
417 for(int ifact=0;ifact<fact0;ifact++)
418 outPtr=std::copy(loc,loc+nbCompo,outPtr);
427 int kk(fineLocInCoarse[0].first+coarseSt[0]*fineLocInCoarse[1].first+coarseSt[0]*coarseSt[1]*fineLocInCoarse[2].first),fact0(facts[0]),fact1(facts[2]),fact2(facts[2]);
428 for(int k=0;k<dims[2];k++)
430 for(int kfact=0;kfact<fact2;kfact++)
432 for(int j=0;j<dims[1];j++)
434 for(int jfact=0;jfact<fact1;jfact++)
436 for(int i=0;i<dims[0];i++)
438 const double *loc(inPtr+(kk+i+j*coarseSt[0])*nbCompo);
439 for(int ifact=0;ifact<fact0;ifact++)
440 outPtr=std::copy(loc,loc+nbCompo,outPtr);
445 kk+=coarseSt[0]*coarseSt[1];
450 throw INTERP_KERNEL::Exception("MEDCouplingIMesh::SpreadCoarseToFine : only dimensions 1, 2 and 3 supported !");
454 void MEDCouplingIMesh::setSpaceDimension(int spaceDim)
456 if(spaceDim==_space_dim)
458 CheckSpaceDimension(spaceDim);
463 void MEDCouplingIMesh::updateTime() const
467 std::size_t MEDCouplingIMesh::getHeapMemorySizeWithoutChildren() const
469 return MEDCouplingStructuredMesh::getHeapMemorySizeWithoutChildren();
472 std::vector<const BigMemoryObject *> MEDCouplingIMesh::getDirectChildren() const
474 return std::vector<const BigMemoryObject *>();
478 * This method copyies all tiny strings from other (name and components name).
479 * @throw if other and this have not same mesh type.
481 void MEDCouplingIMesh::copyTinyStringsFrom(const MEDCouplingMesh *other)
483 const MEDCouplingIMesh *otherC=dynamic_cast<const MEDCouplingIMesh *>(other);
485 throw INTERP_KERNEL::Exception("MEDCouplingIMesh::copyTinyStringsFrom : meshes have not same type !");
486 MEDCouplingStructuredMesh::copyTinyStringsFrom(other);
490 bool MEDCouplingIMesh::isEqualIfNotWhy(const MEDCouplingMesh *other, double prec, std::string& reason) const
493 throw INTERP_KERNEL::Exception("MEDCouplingIMesh::isEqualIfNotWhy : input other pointer is null !");
494 const MEDCouplingIMesh *otherC(dynamic_cast<const MEDCouplingIMesh *>(other));
497 reason="mesh given in input is not castable in MEDCouplingIMesh !";
500 if(!MEDCouplingStructuredMesh::isEqualIfNotWhy(other,prec,reason))
502 if(!isEqualWithoutConsideringStrInternal(otherC,prec,reason))
504 if(_axis_unit!=otherC->_axis_unit)
506 reason="The units of axis are not the same !";
512 bool MEDCouplingIMesh::isEqualWithoutConsideringStr(const MEDCouplingMesh *other, double prec) const
514 const MEDCouplingIMesh *otherC=dynamic_cast<const MEDCouplingIMesh *>(other);
518 return isEqualWithoutConsideringStrInternal(other,prec,tmp);
521 bool MEDCouplingIMesh::isEqualWithoutConsideringStrInternal(const MEDCouplingMesh *other, double prec, std::string& reason) const
523 const MEDCouplingIMesh *otherC=dynamic_cast<const MEDCouplingIMesh *>(other);
526 if(_space_dim!=otherC->_space_dim)
528 std::ostringstream oss;
529 oss << "The spaceDimension of this (" << _space_dim << ") is not equal to those of other (" << otherC->_space_dim << ") !";
532 checkSpaceDimension();
533 for(int i=0;i<_space_dim;i++)
535 if(fabs(_origin[i]-otherC->_origin[i])>prec)
537 std::ostringstream oss;
538 oss << "The origin of this and other differs at " << i << " !";
543 for(int i=0;i<_space_dim;i++)
545 if(fabs(_dxyz[i]-otherC->_dxyz[i])>prec)
547 std::ostringstream oss;
548 oss << "The delta of this and other differs at " << i << " !";
553 for(int i=0;i<_space_dim;i++)
555 if(_structure[i]!=otherC->_structure[i])
557 std::ostringstream oss;
558 oss << "The structure of this and other differs at " << i << " !";
566 void MEDCouplingIMesh::checkDeepEquivalWith(const MEDCouplingMesh *other, int cellCompPol, double prec,
567 DataArrayInt *&cellCor, DataArrayInt *&nodeCor) const
569 if(!isEqualWithoutConsideringStr(other,prec))
570 throw INTERP_KERNEL::Exception("MEDCouplingIMesh::checkDeepEquivalWith : Meshes are not the same !");
574 * Nothing is done here (except to check that the other is a ParaMEDMEM::MEDCouplingIMesh instance too).
575 * The user intend that the nodes are the same, so by construction of ParaMEDMEM::MEDCouplingIMesh, \a this and \a other are the same !
577 void MEDCouplingIMesh::checkDeepEquivalOnSameNodesWith(const MEDCouplingMesh *other, int cellCompPol, double prec,
578 DataArrayInt *&cellCor) const
580 if(!isEqualWithoutConsideringStr(other,prec))
581 throw INTERP_KERNEL::Exception("MEDCouplingIMesh::checkDeepEquivalOnSameNodesWith : Meshes are not the same !");
584 void MEDCouplingIMesh::checkCoherency() const
586 checkSpaceDimension();
587 for(int i=0;i<_space_dim;i++)
590 std::ostringstream oss; oss << "MEDCouplingIMesh::checkCoherency : On axis " << i << "/" << _space_dim << ", number of nodes is equal to " << _structure[i] << " ! must be >=1 !";
591 throw INTERP_KERNEL::Exception(oss.str().c_str());
595 void MEDCouplingIMesh::checkCoherency1(double eps) const
600 void MEDCouplingIMesh::checkCoherency2(double eps) const
602 checkCoherency1(eps);
605 void MEDCouplingIMesh::getNodeGridStructure(int *res) const
607 checkSpaceDimension();
608 std::copy(_structure,_structure+_space_dim,res);
611 std::vector<int> MEDCouplingIMesh::getNodeGridStructure() const
613 checkSpaceDimension();
614 std::vector<int> ret(_structure,_structure+_space_dim);
618 MEDCouplingStructuredMesh *MEDCouplingIMesh::buildStructuredSubPart(const std::vector< std::pair<int,int> >& cellPart) const
621 int dim(getSpaceDimension());
622 if(dim!=(int)cellPart.size())
624 std::ostringstream oss; oss << "MEDCouplingIMesh::buildStructuredSubPart : the space dimension is " << dim << " and cell part size is " << cellPart.size() << " !";
625 throw INTERP_KERNEL::Exception(oss.str().c_str());
627 double retOrigin[3]={0.,0.,0.};
628 int retStruct[3]={0,0,0};
629 MEDCouplingAutoRefCountObjectPtr<MEDCouplingIMesh> ret(dynamic_cast<MEDCouplingIMesh *>(deepCpy()));
630 for(int i=0;i<dim;i++)
632 int startNode(cellPart[i].first),endNode(cellPart[i].second+1);
633 int myDelta(endNode-startNode);
634 if(startNode<0 || startNode>=_structure[i])
636 std::ostringstream oss; oss << "MEDCouplingIMesh::buildStructuredSubPart : At dimension #" << i << " the start node id is " << startNode << " it should be in [0," << _structure[i] << ") !";
637 throw INTERP_KERNEL::Exception(oss.str().c_str());
639 if(myDelta<0 || myDelta>_structure[i])
641 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;
642 throw INTERP_KERNEL::Exception(oss.str().c_str());
644 retOrigin[i]=_origin[i]+startNode*_dxyz[i];
645 retStruct[i]=myDelta;
647 ret->setNodeStruct(retStruct,retStruct+dim);
648 ret->setOrigin(retOrigin,retOrigin+dim);
649 ret->checkCoherency();
654 * Return the space dimension of \a this.
656 int MEDCouplingIMesh::getSpaceDimension() const
661 void MEDCouplingIMesh::getCoordinatesOfNode(int nodeId, std::vector<double>& coo) const
664 int spaceDim(getSpaceDimension());
665 getSplitNodeValues(tmp);
667 GetPosFromId(nodeId,spaceDim,tmp,tmp2);
668 for(int j=0;j<spaceDim;j++)
669 coo.push_back(_origin[j]+_dxyz[j]*tmp2[j]);
672 std::string MEDCouplingIMesh::simpleRepr() const
674 std::ostringstream ret;
675 ret << "Image grid with name : \"" << getName() << "\"\n";
676 ret << "Description of mesh : \"" << getDescription() << "\"\n";
678 double tt(getTime(tmpp1,tmpp2));
679 int spaceDim(_space_dim);
680 ret << "Time attached to the mesh [unit] : " << tt << " [" << getTimeUnit() << "]\n";
681 ret << "Iteration : " << tmpp1 << " Order : " << tmpp2 << "\n";
682 ret << "Space dimension : " << spaceDim << "\n";
683 if(spaceDim<0 || spaceDim>3)
685 ret << "The nodal structure is : "; std::copy(_structure,_structure+spaceDim,std::ostream_iterator<int>(ret," ")); ret << "\n";
686 ret << "The origin position is [" << _axis_unit << "]: ";
687 std::copy(_origin,_origin+spaceDim,std::ostream_iterator<double>(ret," ")); ret << "\n";
688 ret << "The intervals along axis are : ";
689 std::copy(_dxyz,_dxyz+spaceDim,std::ostream_iterator<double>(ret," ")); ret << "\n";
693 std::string MEDCouplingIMesh::advancedRepr() const
698 void MEDCouplingIMesh::getBoundingBox(double *bbox) const
701 int dim(getSpaceDimension());
702 for(int idim=0; idim<dim; idim++)
704 bbox[2*idim]=_origin[idim];
705 bbox[2*idim+1]=_origin[idim]+_dxyz[idim]*_structure[idim];
710 * Returns a new MEDCouplingFieldDouble containing volumes of cells constituting \a this
712 * For 1D cells, the returned field contains lengths.<br>
713 * For 2D cells, the returned field contains areas.<br>
714 * For 3D cells, the returned field contains volumes.
715 * \param [in] isAbs - a not used parameter.
716 * \return MEDCouplingFieldDouble * - a new instance of MEDCouplingFieldDouble on cells
717 * and one time . The caller is to delete this field using decrRef() as it is no
720 MEDCouplingFieldDouble *MEDCouplingIMesh::getMeasureField(bool isAbs) const
723 std::string name="MeasureOfMesh_";
725 int nbelem(getNumberOfCells());
726 MEDCouplingFieldDouble *field(MEDCouplingFieldDouble::New(ON_CELLS,ONE_TIME));
727 field->setName(name);
728 DataArrayDouble* array(DataArrayDouble::New());
729 array->alloc(nbelem,1);
730 array->fillWithValue(getMeasureOfAnyCell());
731 field->setArray(array) ;
733 field->setMesh(const_cast<MEDCouplingIMesh *>(this));
734 field->synchronizeTimeWithMesh();
739 * not implemented yet !
741 MEDCouplingFieldDouble *MEDCouplingIMesh::getMeasureFieldOnNode(bool isAbs) const
743 throw INTERP_KERNEL::Exception("MEDCouplingIMesh::getMeasureFieldOnNode : not implemented yet !");
747 int MEDCouplingIMesh::getCellContainingPoint(const double *pos, double eps) const
749 int dim(getSpaceDimension()),ret(0),coeff(1);
750 for(int i=0;i<dim;i++)
752 int nbOfCells(_structure[i]-1);
754 int tmp((int)((ref-_origin[i])/_dxyz[i]));
755 if(tmp>=0 && tmp<nbOfCells)
766 void MEDCouplingIMesh::rotate(const double *center, const double *vector, double angle)
768 throw INTERP_KERNEL::Exception("No rotation available on IMesh : Traduce it to unstructured mesh to apply it !");
772 * Translates all nodes of \a this mesh by a given vector. Actually, it adds each
773 * component of the \a vector to all node coordinates of a corresponding axis.
774 * \param [in] vector - the translation vector whose size must be not less than \a
775 * this->getSpaceDimension().
777 void MEDCouplingIMesh::translate(const double *vector)
779 checkSpaceDimension();
780 int dim(getSpaceDimension());
781 std::transform(_origin,_origin+dim,vector,_origin,std::plus<double>());
786 * Applies scaling transformation to all nodes of \a this mesh.
787 * \param [in] point - coordinates of a scaling center. This array is to be of
788 * size \a this->getSpaceDimension() at least.
789 * \param [in] factor - a scale factor.
791 void MEDCouplingIMesh::scale(const double *point, double factor)
793 checkSpaceDimension();
794 int dim(getSpaceDimension());
795 std::transform(_origin,_origin+dim,point,_origin,std::minus<double>());
796 std::transform(_origin,_origin+dim,_origin,std::bind2nd(std::multiplies<double>(),factor));
797 std::transform(_dxyz,_dxyz+dim,_dxyz,std::bind2nd(std::multiplies<double>(),factor));
798 std::transform(_origin,_origin+dim,point,_origin,std::plus<double>());
802 MEDCouplingMesh *MEDCouplingIMesh::mergeMyselfWith(const MEDCouplingMesh *other) const
804 //not implemented yet !
809 * Returns a new DataArrayDouble holding coordinates of all nodes of \a this mesh.
810 * \return DataArrayDouble * - a new instance of DataArrayDouble, of size \a
811 * this->getNumberOfNodes() tuples per \a this->getSpaceDimension()
812 * components. The caller is to delete this array using decrRef() as it is
815 DataArrayDouble *MEDCouplingIMesh::getCoordinatesAndOwner() const
818 MEDCouplingAutoRefCountObjectPtr<DataArrayDouble> ret(DataArrayDouble::New());
819 int spaceDim(getSpaceDimension()),nbNodes(getNumberOfNodes());
820 ret->alloc(nbNodes,spaceDim);
821 double *pt(ret->getPointer());
822 ret->setInfoOnComponents(buildInfoOnComponents());
824 getSplitNodeValues(tmp);
825 for(int i=0;i<nbNodes;i++)
827 GetPosFromId(i,spaceDim,tmp,tmp2);
828 for(int j=0;j<spaceDim;j++)
829 pt[i*spaceDim+j]=_dxyz[j]*tmp2[j]+_origin[j];
835 * Returns a new DataArrayDouble holding barycenters of all cells. The barycenter is
836 * computed by averaging coordinates of cell nodes.
837 * \return DataArrayDouble * - a new instance of DataArrayDouble, of size \a
838 * this->getNumberOfCells() tuples per \a this->getSpaceDimension()
839 * components. The caller is to delete this array using decrRef() as it is
842 DataArrayDouble *MEDCouplingIMesh::getBarycenterAndOwner() const
845 MEDCouplingAutoRefCountObjectPtr<DataArrayDouble> ret(DataArrayDouble::New());
846 int spaceDim(getSpaceDimension()),nbCells(getNumberOfCells()),tmp[3],tmp2[3];
847 ret->alloc(nbCells,spaceDim);
848 double *pt(ret->getPointer()),shiftOrigin[3];
849 std::transform(_dxyz,_dxyz+spaceDim,shiftOrigin,std::bind2nd(std::multiplies<double>(),0.5));
850 std::transform(_origin,_origin+spaceDim,shiftOrigin,shiftOrigin,std::plus<double>());
851 getSplitCellValues(tmp);
852 ret->setInfoOnComponents(buildInfoOnComponents());
853 for(int i=0;i<nbCells;i++)
855 GetPosFromId(i,spaceDim,tmp,tmp2);
856 for(int j=0;j<spaceDim;j++)
857 pt[i*spaceDim+j]=_dxyz[j]*tmp2[j]+shiftOrigin[j];
862 DataArrayDouble *MEDCouplingIMesh::computeIsoBarycenterOfNodesPerCell() const
864 return MEDCouplingIMesh::getBarycenterAndOwner();
867 void MEDCouplingIMesh::renumberCells(const int *old2NewBg, bool check)
869 throw INTERP_KERNEL::Exception("Functionnality of renumbering cell not available for IMesh !");
872 void MEDCouplingIMesh::getTinySerializationInformation(std::vector<double>& tinyInfoD, std::vector<int>& tinyInfo, std::vector<std::string>& littleStrings) const
875 double time(getTime(it,order));
878 littleStrings.clear();
879 littleStrings.push_back(getName());
880 littleStrings.push_back(getDescription());
881 littleStrings.push_back(getTimeUnit());
882 littleStrings.push_back(getAxisUnit());
883 tinyInfo.push_back(it);
884 tinyInfo.push_back(order);
885 tinyInfo.push_back(_space_dim);
886 tinyInfo.insert(tinyInfo.end(),_structure,_structure+3);
887 tinyInfoD.push_back(time);
888 tinyInfoD.insert(tinyInfoD.end(),_dxyz,_dxyz+3);
889 tinyInfoD.insert(tinyInfoD.end(),_origin,_origin+3);
892 void MEDCouplingIMesh::resizeForUnserialization(const std::vector<int>& tinyInfo, DataArrayInt *a1, DataArrayDouble *a2, std::vector<std::string>& littleStrings) const
898 void MEDCouplingIMesh::serialize(DataArrayInt *&a1, DataArrayDouble *&a2) const
900 a1=DataArrayInt::New();
902 a2=DataArrayDouble::New();
906 void MEDCouplingIMesh::unserialization(const std::vector<double>& tinyInfoD, const std::vector<int>& tinyInfo, const DataArrayInt *a1, DataArrayDouble *a2,
907 const std::vector<std::string>& littleStrings)
909 setName(littleStrings[0]);
910 setDescription(littleStrings[1]);
911 setTimeUnit(littleStrings[2]);
912 setAxisUnit(littleStrings[3]);
913 setTime(tinyInfoD[0],tinyInfo[0],tinyInfo[1]);
914 _space_dim=tinyInfo[2];
915 _structure[0]=tinyInfo[3]; _structure[1]=tinyInfo[4]; _structure[2]=tinyInfo[5];
916 _dxyz[0]=tinyInfoD[1]; _dxyz[1]=tinyInfoD[2]; _dxyz[2]=tinyInfoD[3];
917 _origin[0]=tinyInfoD[4]; _origin[1]=tinyInfoD[5]; _origin[2]=tinyInfoD[6];
921 void MEDCouplingIMesh::writeVTKLL(std::ostream& ofs, const std::string& cellData, const std::string& pointData, DataArrayByte *byteData) const
924 std::ostringstream extent,origin,spacing;
928 { extent << "0 " << _structure[i]-1 << " "; origin << _origin[i] << " "; spacing << _dxyz[i] << " "; }
930 { extent << "0 0 "; origin << "0 "; spacing << "0 "; }
932 ofs << " <" << getVTKDataSetType() << " WholeExtent=\"" << extent.str() << "\" Origin=\"" << origin.str() << "\" Spacing=\"" << spacing.str() << "\">\n";
933 ofs << " <Piece Extent=\"" << extent.str() << "\">\n";
934 ofs << " <PointData>\n" << pointData << std::endl;
935 ofs << " </PointData>\n";
936 ofs << " <CellData>\n" << cellData << std::endl;
937 ofs << " </CellData>\n";
938 ofs << " <Coordinates>\n";
939 ofs << " </Coordinates>\n";
940 ofs << " </Piece>\n";
941 ofs << " </" << getVTKDataSetType() << ">\n";
944 void MEDCouplingIMesh::reprQuickOverview(std::ostream& stream) const
946 stream << "MEDCouplingIMesh C++ instance at " << this << ". Name : \"" << getName() << "\". Space dimension : " << _space_dim << ".";
947 if(_space_dim<0 || _space_dim>3)
950 std::ostringstream stream0,stream1;
951 int nbNodes(1),nbCells(0);
953 for(int i=0;i<_space_dim;i++)
956 int tmpNodes(_structure[i]);
957 stream1 << "- Axis " << tmp << " : " << tmpNodes << " nodes (orig=" << _origin[i] << ", inter=" << _dxyz[i] << ").";
959 stream1 << std::endl;
965 nbCells=nbCells==0?tmpNodes-1:nbCells*(tmpNodes-1);
969 stream0 << "Number of cells : " << nbCells << ", Number of nodes : " << nbNodes;
970 stream << stream0.str();
974 stream << stream1.str();
977 std::string MEDCouplingIMesh::getVTKDataSetType() const
979 return std::string("ImageData");
982 std::vector<std::string> MEDCouplingIMesh::buildInfoOnComponents() const
984 checkSpaceDimension();
985 int dim(getSpaceDimension());
986 std::vector<std::string> ret(dim);
987 for(int i=0;i<dim;i++)
989 std::ostringstream oss;
990 char tmp('X'+i); oss << tmp;
991 ret[i]=DataArray::BuildInfoFromVarAndUnit(oss.str(),_axis_unit);
996 void MEDCouplingIMesh::checkSpaceDimension() const
998 CheckSpaceDimension(_space_dim);
1001 void MEDCouplingIMesh::CheckSpaceDimension(int spaceDim)
1003 if(spaceDim<0 || spaceDim>3)
1004 throw INTERP_KERNEL::Exception("MEDCouplingIMesh::CheckSpaceDimension : input spaceDim must be in [0,1,2,3] !");
1007 int MEDCouplingIMesh::FindIntRoot(int val, int order)
1012 throw INTERP_KERNEL::Exception("MEDCouplingIMesh::FindIntRoot : input val is < 0 ! Not possible to compute a root !");
1015 if(order!=2 && order!=3)
1016 throw INTERP_KERNEL::Exception("MEDCouplingIMesh::FindIntRoot : the order available are 0,1,2 or 3 !");
1017 double valf((double)val);
1020 double retf(sqrt(valf));
1023 throw INTERP_KERNEL::Exception("MEDCouplingIMesh::FindIntRoot : the input val is not a perfect square root !");
1028 double retf(std::pow(val,0.3333333333333333));
1029 int ret((int)retf),ret2(ret+1);
1030 if(ret*ret*ret!=val && ret2*ret2*ret2!=val)
1031 throw INTERP_KERNEL::Exception("MEDCouplingIMesh::FindIntRoot : the input val is not a perfect cublic root !");
1032 if(ret*ret*ret==val)