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 "MEDCouplingStructuredMesh.hxx"
22 #include "MEDCouplingFieldDouble.hxx"
23 #include "MEDCouplingMemArray.hxx"
24 #include "MEDCoupling1GTUMesh.hxx"
25 #include "MEDCouplingUMesh.hxx"
29 using namespace ParaMEDMEM;
31 MEDCouplingStructuredMesh::MEDCouplingStructuredMesh()
35 MEDCouplingStructuredMesh::MEDCouplingStructuredMesh(const MEDCouplingStructuredMesh& other, bool deepCopy):MEDCouplingMesh(other)
39 MEDCouplingStructuredMesh::~MEDCouplingStructuredMesh()
43 std::size_t MEDCouplingStructuredMesh::getHeapMemorySizeWithoutChildren() const
45 return MEDCouplingMesh::getHeapMemorySizeWithoutChildren();
48 void MEDCouplingStructuredMesh::copyTinyStringsFrom(const MEDCouplingMesh *other)
50 MEDCouplingMesh::copyTinyStringsFrom(other);
53 bool MEDCouplingStructuredMesh::isEqualIfNotWhy(const MEDCouplingMesh *other, double prec, std::string& reason) const
55 return MEDCouplingMesh::isEqualIfNotWhy(other,prec,reason);
58 INTERP_KERNEL::NormalizedCellType MEDCouplingStructuredMesh::getTypeOfCell(int cellId) const
60 return GetGeoTypeGivenMeshDimension(getMeshDimension());
63 INTERP_KERNEL::NormalizedCellType MEDCouplingStructuredMesh::GetGeoTypeGivenMeshDimension(int meshDim)
68 return INTERP_KERNEL::NORM_HEXA8;
70 return INTERP_KERNEL::NORM_QUAD4;
72 return INTERP_KERNEL::NORM_SEG2;
74 return INTERP_KERNEL::NORM_POINT1;
76 throw INTERP_KERNEL::Exception("Unexpected dimension for MEDCouplingStructuredMesh::GetGeoTypeGivenMeshDimension !");
80 std::set<INTERP_KERNEL::NormalizedCellType> MEDCouplingStructuredMesh::getAllGeoTypes() const
82 std::set<INTERP_KERNEL::NormalizedCellType> ret2;
83 ret2.insert(getTypeOfCell(0));
87 int MEDCouplingStructuredMesh::getNumberOfCellsWithType(INTERP_KERNEL::NormalizedCellType type) const
89 int ret=getNumberOfCells();
90 if(type==getTypeOfCell(0))
92 const INTERP_KERNEL::CellModel& cm=INTERP_KERNEL::CellModel::GetCellModel(getTypeOfCell(0));
93 std::ostringstream oss; oss << "MEDCouplingStructuredMesh::getNumberOfCellsWithType : no specified type ! Type available is " << cm.getRepr() << " !";
94 throw INTERP_KERNEL::Exception(oss.str().c_str());
97 DataArrayInt *MEDCouplingStructuredMesh::giveCellsWithType(INTERP_KERNEL::NormalizedCellType type) const
99 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> ret=DataArrayInt::New();
100 if(getTypeOfCell(0)==type)
102 ret->alloc(getNumberOfCells(),1);
110 DataArrayInt *MEDCouplingStructuredMesh::computeNbOfNodesPerCell() const
112 int nbCells=getNumberOfCells();
113 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> ret=DataArrayInt::New();
114 ret->alloc(nbCells,1);
115 const INTERP_KERNEL::CellModel& cm=INTERP_KERNEL::CellModel::GetCellModel(getTypeOfCell(0));
116 ret->fillWithValue((int)cm.getNumberOfNodes());
120 DataArrayInt *MEDCouplingStructuredMesh::computeNbOfFacesPerCell() const
122 int nbCells=getNumberOfCells();
123 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> ret=DataArrayInt::New();
124 ret->alloc(nbCells,1);
125 const INTERP_KERNEL::CellModel& cm=INTERP_KERNEL::CellModel::GetCellModel(getTypeOfCell(0));
126 ret->fillWithValue((int)cm.getNumberOfSons());
131 * This method computes effective number of nodes per cell. That is to say nodes appearing several times in nodal connectivity of a cell,
132 * will be counted only once here whereas it will be counted several times in MEDCouplingMesh::computeNbOfNodesPerCell method.
133 * Here for structured mesh it returns exactly as MEDCouplingStructuredMesh::computeNbOfNodesPerCell does.
135 * \return DataArrayInt * - new object to be deallocated by the caller.
137 DataArrayInt *MEDCouplingStructuredMesh::computeEffectiveNbOfNodesPerCell() const
139 return computeNbOfNodesPerCell();
142 void MEDCouplingStructuredMesh::getNodeIdsOfCell(int cellId, std::vector<int>& conn) const
144 int meshDim=getMeshDimension();
145 int tmpCell[3],tmpNode[3];
146 getSplitCellValues(tmpCell);
147 getSplitNodeValues(tmpNode);
149 GetPosFromId(cellId,meshDim,tmpCell,tmp2);
153 conn.push_back(tmp2[0]); conn.push_back(tmp2[0]+1);
156 conn.push_back(tmp2[1]*tmpNode[1]+tmp2[0]); conn.push_back(tmp2[1]*tmpNode[1]+tmp2[0]+1);
157 conn.push_back((tmp2[1]+1)*tmpNode[1]+tmp2[0]+1); conn.push_back((tmp2[1]+1)*tmpNode[1]+tmp2[0]);
160 conn.push_back(tmp2[1]*tmpNode[1]+tmp2[0]+tmp2[2]*tmpNode[2]); conn.push_back(tmp2[1]*tmpNode[1]+tmp2[0]+1+tmp2[2]*tmpNode[2]);
161 conn.push_back((tmp2[1]+1)*tmpNode[1]+tmp2[0]+1+tmp2[2]*tmpNode[2]); conn.push_back((tmp2[1]+1)*tmpNode[1]+tmp2[0]+tmp2[2]*tmpNode[2]);
162 conn.push_back(tmp2[1]*tmpNode[1]+tmp2[0]+(tmp2[2]+1)*tmpNode[2]); conn.push_back(tmp2[1]*tmpNode[1]+tmp2[0]+1+(tmp2[2]+1)*tmpNode[2]);
163 conn.push_back((tmp2[1]+1)*tmpNode[1]+tmp2[0]+1+(tmp2[2]+1)*tmpNode[2]); conn.push_back((tmp2[1]+1)*tmpNode[1]+tmp2[0]+(tmp2[2]+1)*tmpNode[2]);
166 throw INTERP_KERNEL::Exception("MEDCouplingStructuredMesh::getNodeIdsOfCell : big problem spacedim must be in 1,2 or 3 !");
171 * See MEDCouplingUMesh::getDistributionOfTypes for more information
173 std::vector<int> MEDCouplingStructuredMesh::getDistributionOfTypes() const
175 //only one type of cell
176 std::vector<int> ret(3);
177 ret[0]=getTypeOfCell(0);
178 ret[1]=getNumberOfCells();
179 ret[2]=-1; //ret[3*k+2]==-1 because it has no sense here
184 * This method tries to minimize at most the number of deep copy.
185 * So if \a idsPerType is not empty it can be returned directly (without copy, but with ref count incremented) in return.
187 * See MEDCouplingUMesh::checkTypeConsistencyAndContig for more information
189 DataArrayInt *MEDCouplingStructuredMesh::checkTypeConsistencyAndContig(const std::vector<int>& code, const std::vector<const DataArrayInt *>& idsPerType) const
191 int nbOfCells=getNumberOfCells();
193 throw INTERP_KERNEL::Exception("MEDCouplingStructuredMesh::checkTypeConsistencyAndContig : invalid input code should be exactly of size 3 !");
194 if(code[0]!=(int)getTypeOfCell(0))
196 std::ostringstream oss; oss << "MEDCouplingStructuredMesh::checkTypeConsistencyAndContig : Mismatch of geometric type ! Asking for " << code[0] << " whereas the geometric type is \a this is " << getTypeOfCell(0) << " !";
197 throw INTERP_KERNEL::Exception(oss.str().c_str());
201 if(code[1]==nbOfCells)
205 std::ostringstream oss; oss << "MEDCouplingStructuredMesh::checkTypeConsistencyAndContig : mismatch between the number of cells in this (" << nbOfCells << ") and the number of non profile (" << code[1] << ") !";
206 throw INTERP_KERNEL::Exception(oss.str().c_str());
210 throw INTERP_KERNEL::Exception("MEDCouplingStructuredMesh::checkTypeConsistencyAndContig : single geo type mesh ! 0 or -1 is expected at pos #2 of input code !");
211 if(idsPerType.size()!=1)
212 throw INTERP_KERNEL::Exception("MEDCouplingStructuredMesh::checkTypeConsistencyAndContig : input code points to DataArrayInt #0 whereas the size of idsPerType is not equal to 1 !");
213 const DataArrayInt *pfl=idsPerType[0];
215 throw INTERP_KERNEL::Exception("MEDCouplingStructuredMesh::checkTypeConsistencyAndContig : the input code points to a NULL DataArrayInt at rank 0 !");
216 if(pfl->getNumberOfComponents()!=1)
217 throw INTERP_KERNEL::Exception("MEDCouplingStructuredMesh::checkTypeConsistencyAndContig : input profile should have exactly one component !");
218 pfl->checkAllIdsInRange(0,nbOfCells);
220 return const_cast<DataArrayInt *>(pfl);
224 * 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.
225 * 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.
226 * This method has 1 input \a profile and 3 outputs \a code \a idsInPflPerType and \a idsPerType.
228 * \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.
229 * \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,
230 * \a idsInPflPerType[i] stores the tuple ids in \a profile that correspond to the geometric type code[3*i+0]
231 * \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.
232 * This vector can be empty in case of all geometric type cells are fully covered in ascending in the given input \a profile.
234 * \warning for performance reasons no deep copy will be performed, if \a profile can been used as this in output parameters \a idsInPflPerType and \a idsPerType.
236 * \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
239 * - Before \a this has 3 cells \a profile contains [0,1,2]
240 * - After \a code contains [NORM_...,nbCells,-1], \a idsInPflPerType [[0,1,2]] and \a idsPerType is empty <br>
243 * - Before \a this has 3 cells \a profile contains [1,2]
244 * - After \a code contains [NORM_...,nbCells,0], \a idsInPflPerType [[0,1]] and \a idsPerType is [[1,2]] <br>
247 void MEDCouplingStructuredMesh::splitProfilePerType(const DataArrayInt *profile, std::vector<int>& code, std::vector<DataArrayInt *>& idsInPflPerType, std::vector<DataArrayInt *>& idsPerType) const
249 if(!profile || !profile->isAllocated())
250 throw INTERP_KERNEL::Exception("MEDCouplingStructuredMesh::splitProfilePerType : input profile is NULL or not allocated !");
251 if(profile->getNumberOfComponents()!=1)
252 throw INTERP_KERNEL::Exception("MEDCouplingStructuredMesh::splitProfilePerType : input profile should have exactly one component !");
253 int nbTuples=profile->getNumberOfTuples();
254 int nbOfCells=getNumberOfCells();
255 code.resize(3); idsInPflPerType.resize(1);
256 code[0]=(int)getTypeOfCell(0); code[1]=nbOfCells;
257 idsInPflPerType.resize(1);
258 if(profile->isIdentity() && nbTuples==nbOfCells)
261 idsInPflPerType[0]=0;
265 code[1]=profile->getNumberOfTuples();
267 profile->checkAllIdsInRange(0,nbOfCells);
268 idsPerType.resize(1);
269 idsPerType[0]=profile->deepCpy();
270 idsInPflPerType[0]=DataArrayInt::Range(0,nbTuples,1);
274 * Creates a new unstructured mesh (MEDCoupling1SGTUMesh) from \a this structured one.
275 * \return MEDCouplingUMesh * - a new instance of MEDCouplingUMesh. The caller is to
276 * delete this array using decrRef() as it is no more needed.
277 * \throw If \a this->getMeshDimension() is not among [1,2,3].
279 MEDCoupling1SGTUMesh *MEDCouplingStructuredMesh::build1SGTUnstructured() const
281 int meshDim=getMeshDimension();
282 if(meshDim<0 || meshDim>3)
283 throw INTERP_KERNEL::Exception("MEDCouplingStructuredMesh::build1SGTUnstructured : meshdim must be in [1,2,3] !");
284 MEDCouplingAutoRefCountObjectPtr<DataArrayDouble> coords(getCoordinatesAndOwner());
286 getNodeGridStructure(ns);
287 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> conn(Build1GTNodalConnectivity(ns,ns+meshDim));
288 MEDCouplingAutoRefCountObjectPtr<MEDCoupling1SGTUMesh> ret(MEDCoupling1SGTUMesh::New(getName(),GetGeoTypeGivenMeshDimension(meshDim)));
289 ret->setNodalConnectivity(conn); ret->setCoords(coords);
294 * Creates a new unstructured mesh (MEDCouplingUMesh) from \a this structured one.
295 * \return MEDCouplingUMesh * - a new instance of MEDCouplingUMesh. The caller is to
296 * delete this array using decrRef() as it is no more needed.
297 * \throw If \a this->getMeshDimension() is not among [1,2,3].
299 MEDCouplingUMesh *MEDCouplingStructuredMesh::buildUnstructured() const
301 MEDCouplingAutoRefCountObjectPtr<MEDCoupling1SGTUMesh> ret0(build1SGTUnstructured());
302 return ret0->buildUnstructured();
306 * Creates a new MEDCouplingUMesh containing a part of cells of \a this mesh.
307 * The cells to include to the
308 * result mesh are specified by an array of cell ids.
309 * \param [in] start - an array of cell ids to include to the result mesh.
310 * \param [in] end - specifies the end of the array \a start, so that
311 * the last value of \a start is \a end[ -1 ].
312 * \return MEDCouplingMesh * - a new instance of MEDCouplingUMesh. The caller is to
313 * delete this mesh using decrRef() as it is no more needed.
315 MEDCouplingMesh *MEDCouplingStructuredMesh::buildPart(const int *start, const int *end) const
317 MEDCouplingUMesh *um=buildUnstructured();
318 MEDCouplingMesh *ret=um->buildPart(start,end);
323 MEDCouplingMesh *MEDCouplingStructuredMesh::buildPartAndReduceNodes(const int *start, const int *end, DataArrayInt*& arr) const
325 std::vector<int> cgs(getCellGridStructure());
326 std::vector< std::pair<int,int> > cellPartFormat,nodePartFormat;
327 if(IsPartStructured(start,end,cgs,cellPartFormat))
329 MEDCouplingAutoRefCountObjectPtr<MEDCouplingStructuredMesh> ret(buildStructuredSubPart(cellPartFormat));
330 nodePartFormat=cellPartFormat;
331 for(std::vector< std::pair<int,int> >::iterator it=nodePartFormat.begin();it!=nodePartFormat.end();it++)
333 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> tmp1(BuildExplicitIdsFrom(getNodeGridStructure(),nodePartFormat));
334 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> tmp2(DataArrayInt::New()); tmp2->alloc(getNumberOfNodes(),1);
335 tmp2->fillWithValue(-1);
336 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> tmp3(DataArrayInt::New()); tmp3->alloc(tmp1->getNumberOfTuples(),1); tmp3->iota(0);
337 tmp2->setPartOfValues3(tmp3,tmp1->begin(),tmp1->end(),0,1,1);
343 MEDCouplingUMesh *um=buildUnstructured();
344 MEDCouplingMesh *ret=um->buildPartAndReduceNodes(start,end,arr);
350 DataArrayInt *MEDCouplingStructuredMesh::simplexize(int policy)
352 throw INTERP_KERNEL::Exception("MEDCouplingStructuredMesh::simplexize : not available for Cartesian mesh !");
356 * Returns a new MEDCouplingFieldDouble holding normal vectors to cells of \a this
357 * 2D mesh. The computed vectors have 3 components and are normalized.
358 * \return MEDCouplingFieldDouble * - a new instance of MEDCouplingFieldDouble on
359 * cells and one time. The caller is to delete this field using decrRef() as
360 * it is no more needed.
361 * \throw If \a this->getMeshDimension() != 2.
363 MEDCouplingFieldDouble *MEDCouplingStructuredMesh::buildOrthogonalField() const
365 if(getMeshDimension()!=2)
366 throw INTERP_KERNEL::Exception("Expected a MEDCouplingStructuredMesh with meshDim == 2 !");
367 MEDCouplingFieldDouble *ret=MEDCouplingFieldDouble::New(ON_CELLS,NO_TIME);
368 DataArrayDouble *array=DataArrayDouble::New();
369 int nbOfCells=getNumberOfCells();
370 array->alloc(nbOfCells,3);
371 double *vals=array->getPointer();
372 for(int i=0;i<nbOfCells;i++)
373 { vals[3*i]=0.; vals[3*i+1]=0.; vals[3*i+2]=1.; }
374 ret->setArray(array);
380 void MEDCouplingStructuredMesh::getReverseNodalConnectivity(DataArrayInt *revNodal, DataArrayInt *revNodalIndx) const
382 std::vector<int> ngs(getNodeGridStructure());
383 int dim(getSpaceDimension());
387 return GetReverseNodalConnectivity1(ngs,revNodal,revNodalIndx);
389 return GetReverseNodalConnectivity2(ngs,revNodal,revNodalIndx);
391 return GetReverseNodalConnectivity3(ngs,revNodal,revNodalIndx);
393 throw INTERP_KERNEL::Exception("MEDCouplingStructuredMesh::getReverseNodalConnectivity : only dimensions 1, 2 and 3 are supported !");
397 void MEDCouplingStructuredMesh::GetReverseNodalConnectivity1(const std::vector<int>& ngs, DataArrayInt *revNodal, DataArrayInt *revNodalIndx)
400 revNodalIndx->alloc(nbNodes+1,1);
402 { revNodal->alloc(0,1); revNodalIndx->setIJ(0,0,0); return ; }
404 { revNodal->alloc(1,1); revNodal->setIJ(0,0,0); revNodalIndx->setIJ(0,0,0); revNodalIndx->setIJ(1,0,1); return ; }
405 revNodal->alloc(2*(nbNodes-1),1);
406 int *rn(revNodal->getPointer()),*rni(revNodalIndx->getPointer());
407 *rni++=0; *rni=1; *rn++=0;
408 for(int i=1;i<nbNodes-1;i++,rni++)
414 rn[0]=nbNodes-2; rni[1]=rni[0]+1;
417 void MEDCouplingStructuredMesh::GetReverseNodalConnectivity2(const std::vector<int>& ngs, DataArrayInt *revNodal, DataArrayInt *revNodalIndx)
419 int nbNodesX(ngs[0]),nbNodesY(ngs[1]);
420 int nbNodes(nbNodesX*nbNodesY);
421 if(nbNodesX==0 || nbNodesY==0)
422 { revNodal->alloc(0,1); revNodalIndx->setIJ(0,0,0); return ; }
423 if(nbNodesX==1 || nbNodesY==1)
424 { std::vector<int> ngs2(1); ngs2[0]=std::max(nbNodesX,nbNodesY); return GetReverseNodalConnectivity1(ngs2,revNodal,revNodalIndx); }
425 revNodalIndx->alloc(nbNodes+1,1);
426 int nbCellsX(nbNodesX-1),nbCellsY(nbNodesY-1);
427 revNodal->alloc(4*(nbNodesX-2)*(nbNodesY-2)+2*2*(nbNodesX-2)+2*2*(nbNodesY-2)+4,1);
428 int *rn(revNodal->getPointer()),*rni(revNodalIndx->getPointer());
429 *rni++=0; *rni=1; *rn++=0;
430 for(int i=1;i<nbNodesX-1;i++,rni++,rn+=2)
435 rni[1]=rni[0]+1; *rn++=nbCellsX-1;
437 for(int j=1;j<nbNodesY-1;j++)
439 int off(nbCellsX*(j-1)),off2(nbCellsX*j);
440 rni[1]=rni[0]+2; rn[0]=off; rn[1]=off2;
442 for(int i=1;i<nbNodesX-1;i++,rni++,rn+=4)
444 rn[0]=i-1+off; rn[1]=i+off; rn[2]=i-1+off2; rn[3]=i+off2;
447 rni[1]=rni[0]+2; rn[0]=off+nbCellsX-1; rn[1]=off2+nbCellsX-1;
450 int off3(nbCellsX*(nbCellsY-1));
453 for(int i=1;i<nbNodesX-1;i++,rni++,rn+=2)
455 rn[0]=i-1+off3; rn[1]=i+off3;
458 rni[1]=rni[0]+1; rn[0]=nbCellsX*nbCellsY-1;
461 void MEDCouplingStructuredMesh::GetReverseNodalConnectivity3(const std::vector<int>& ngs, DataArrayInt *revNodal, DataArrayInt *revNodalIndx)
463 int nbNodesX(ngs[0]),nbNodesY(ngs[1]),nbNodesZ(ngs[2]);
464 int nbNodes(nbNodesX*nbNodesY*nbNodesZ);
465 if(nbNodesX==0 || nbNodesY==0 || nbNodesZ==0)
466 { revNodal->alloc(0,1); revNodalIndx->setIJ(0,0,0); return ; }
467 if(nbNodesX==1 || nbNodesY==1 || nbNodesZ==1)
469 std::vector<int> ngs2(2);
475 { ngs2[pos++]=ngs[i]; }
480 { ngs2[pos++]=ngs[i]; }
483 return GetReverseNodalConnectivity2(ngs2,revNodal,revNodalIndx);
485 revNodalIndx->alloc(nbNodes+1,1);
486 int nbCellsX(nbNodesX-1),nbCellsY(nbNodesY-1),nbCellsZ(nbNodesZ-1);
487 revNodal->alloc(8*(nbNodesX-2)*(nbNodesY-2)*(nbNodesZ-2)+4*(2*(nbNodesX-2)*(nbNodesY-2)+2*(nbNodesX-2)*(nbNodesZ-2)+2*(nbNodesY-2)*(nbNodesZ-2))+2*4*(nbNodesX-2)+2*4*(nbNodesY-2)+2*4*(nbNodesZ-2)+8,1);
488 int *rn(revNodal->getPointer()),*rni(revNodalIndx->getPointer());
490 for(int k=0;k<nbNodesZ;k++)
492 bool factZ(k!=0 && k!=nbNodesZ-1);
493 int offZ0((k-1)*nbCellsX*nbCellsY),offZ1(k*nbCellsX*nbCellsY);
494 for(int j=0;j<nbNodesY;j++)
496 bool factYZ(factZ && (j!=0 && j!=nbNodesY-1));
497 int off00((j-1)*nbCellsX+offZ0),off01(j*nbCellsX+offZ0),off10((j-1)*nbCellsX+offZ1),off11(j*nbCellsX+offZ1);
498 for(int i=0;i<nbNodesX;i++,rni++)
500 int fact(factYZ && (i!=0 && i!=nbNodesX-1));
502 {//most of points fall in this part of code
503 rn[0]=off00+i-1; rn[1]=off00+i; rn[2]=off01+i-1; rn[3]=off01+i;
504 rn[4]=off10+i-1; rn[5]=off10+i; rn[6]=off11+i-1; rn[7]=off11+i;
511 if(k>=1 && j>=1 && i>=1)
513 if(k>=1 && j>=1 && i<nbCellsX)
515 if(k>=1 && j<nbCellsY && i>=1)
517 if(k>=1 && j<nbCellsY && i<nbCellsX)
520 if(k<nbCellsZ && j>=1 && i>=1)
522 if(k<nbCellsZ && j>=1 && i<nbCellsX)
524 if(k<nbCellsZ && j<nbCellsY && i>=1)
526 if(k<nbCellsZ && j<nbCellsY && i<nbCellsX)
528 rni[1]=rni[0]+(int)(std::distance(rnRef,rn));
536 * \return DataArrayInt * - newly allocated instance of nodal connectivity compatible for MEDCoupling1SGTMesh instance
538 DataArrayInt *MEDCouplingStructuredMesh::Build1GTNodalConnectivity(const int *nodeStBg, const int *nodeStEnd)
540 std::size_t dim=std::distance(nodeStBg,nodeStEnd);
545 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> conn(DataArrayInt::New());
546 conn->alloc(1,1); conn->setIJ(0,0,0);
550 return Build1GTNodalConnectivity1D(nodeStBg);
552 return Build1GTNodalConnectivity2D(nodeStBg);
554 return Build1GTNodalConnectivity3D(nodeStBg);
556 throw INTERP_KERNEL::Exception("MEDCouplingStructuredMesh::Build1GTNodalConnectivity : only dimension in [0,1,2,3] supported !");
560 DataArrayInt *MEDCouplingStructuredMesh::Build1GTNodalConnectivity1D(const int *nodeStBg)
562 int nbOfCells(*nodeStBg-1);
563 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> conn(DataArrayInt::New());
564 conn->alloc(2*nbOfCells,1);
565 int *cp=conn->getPointer();
566 for(int i=0;i<nbOfCells;i++)
574 DataArrayInt *MEDCouplingStructuredMesh::Build1GTNodalConnectivity2D(const int *nodeStBg)
576 int n1=nodeStBg[0]-1;
577 int n2=nodeStBg[1]-1;
578 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> conn(DataArrayInt::New());
579 conn->alloc(4*n1*n2,1);
580 int *cp=conn->getPointer();
582 for(int j=0;j<n2;j++)
583 for(int i=0;i<n1;i++,pos++)
585 cp[4*pos+0]=i+1+j*(n1+1);
586 cp[4*pos+1]=i+j*(n1+1);
587 cp[4*pos+2]=i+(j+1)*(n1+1);
588 cp[4*pos+3]=i+1+(j+1)*(n1+1);
593 DataArrayInt *MEDCouplingStructuredMesh::Build1GTNodalConnectivity3D(const int *nodeStBg)
595 int n1=nodeStBg[0]-1;
596 int n2=nodeStBg[1]-1;
597 int n3=nodeStBg[2]-1;
598 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> conn(DataArrayInt::New());
599 conn->alloc(8*n1*n2*n3,1);
600 int *cp=conn->getPointer();
602 for(int k=0;k<n3;k++)
603 for(int j=0;j<n2;j++)
604 for(int i=0;i<n1;i++,pos++)
606 int tmp=(n1+1)*(n2+1);
607 cp[8*pos+0]=i+1+j*(n1+1)+k*tmp;
608 cp[8*pos+1]=i+j*(n1+1)+k*tmp;
609 cp[8*pos+2]=i+(j+1)*(n1+1)+k*tmp;
610 cp[8*pos+3]=i+1+(j+1)*(n1+1)+k*tmp;
611 cp[8*pos+4]=i+1+j*(n1+1)+(k+1)*tmp;
612 cp[8*pos+5]=i+j*(n1+1)+(k+1)*tmp;
613 cp[8*pos+6]=i+(j+1)*(n1+1)+(k+1)*tmp;
614 cp[8*pos+7]=i+1+(j+1)*(n1+1)+(k+1)*tmp;
620 * Returns a cell id by its (i,j,k) index. The cell is located between the i-th and
621 * ( i + 1 )-th nodes along X axis etc.
622 * \param [in] i - a index of node coordinates array along X axis.
623 * \param [in] j - a index of node coordinates array along Y axis.
624 * \param [in] k - a index of node coordinates array along Z axis.
625 * \return int - a cell id in \a this mesh.
627 int MEDCouplingStructuredMesh::getCellIdFromPos(int i, int j, int k) const
631 int meshDim(getMeshDimension());
632 getSplitCellValues(tmp2);
633 std::transform(tmp,tmp+meshDim,tmp2,tmp,std::multiplies<int>());
634 return std::accumulate(tmp,tmp+meshDim,0);
638 * Returns a node id by its (i,j,k) index.
639 * \param [in] i - a index of node coordinates array along X axis.
640 * \param [in] j - a index of node coordinates array along Y axis.
641 * \param [in] k - a index of node coordinates array along Z axis.
642 * \return int - a node id in \a this mesh.
644 int MEDCouplingStructuredMesh::getNodeIdFromPos(int i, int j, int k) const
648 int spaceDim(getSpaceDimension());
649 getSplitNodeValues(tmp2);
650 std::transform(tmp,tmp+spaceDim,tmp2,tmp,std::multiplies<int>());
651 return std::accumulate(tmp,tmp+spaceDim,0);
654 void MEDCouplingStructuredMesh::GetPosFromId(int nodeId, int meshDim, const int *split, int *res)
657 for(int i=meshDim-1;i>=0;i--)
659 int pos=work/split[i];
665 std::vector<int> MEDCouplingStructuredMesh::getCellGridStructure() const
667 std::vector<int> ret(getNodeGridStructure());
668 std::transform(ret.begin(),ret.end(),ret.begin(),std::bind2nd(std::plus<int>(),-1));
673 * This method states if given part ids [ \a startIds, \a stopIds) and a structure \a st returns if it can be considered as a structured dataset.
674 * If true is returned \a partCompactFormat will contain the information to build the corresponding part.
676 * \sa MEDCouplingStructuredMesh::BuildExplicitIdsFrom
678 bool MEDCouplingStructuredMesh::IsPartStructured(const int *startIds, const int *stopIds, const std::vector<int>& st, std::vector< std::pair<int,int> >& partCompactFormat)
680 int dim((int)st.size());
681 partCompactFormat.resize(dim);
683 throw INTERP_KERNEL::Exception("MEDCouplingStructuredMesh::isPartStructured : input structure must be of dimension in [1,2,3] !");
684 std::vector<int> tmp2(dim),tmp(dim),tmp3(dim),tmp4(dim); tmp2[0]=1;
685 for(int i=1;i<dim;i++)
686 tmp2[i]=tmp2[i-1]*st[i-1];
687 std::size_t sz(std::distance(startIds,stopIds));
689 throw INTERP_KERNEL::Exception("MEDCouplingStructuredMesh::IsPartStructured : empty input !");
690 GetPosFromId(*startIds,dim,&tmp2[0],&tmp[0]);
691 partCompactFormat.resize(dim);
692 for(int i=0;i<dim;i++)
693 partCompactFormat[i].first=tmp[i];
694 if(tmp[dim-1]<0 || tmp[dim-1]>=st[dim-1])
695 throw INTERP_KERNEL::Exception("MEDCouplingStructuredMesh::IsPartStructured : first id in input is not in valid range !");
698 for(int i=0;i<dim;i++)
699 partCompactFormat[i].second=tmp[i]+1;
702 GetPosFromId(startIds[sz-1],dim,&tmp2[0],&tmp3[0]);
704 for(int i=0;i<dim;i++)
706 if(tmp3[i]<0 || tmp3[i]>=st[i])
707 throw INTERP_KERNEL::Exception("MEDCouplingStructuredMesh::IsPartStructured : last id in input is not in valid range !");
708 partCompactFormat[i].second=tmp3[i]+1;
709 tmp4[i]=partCompactFormat[i].second-partCompactFormat[i].first;
716 const int *w(startIds);
721 for(int i=0;i<tmp4[2];i++)
723 int a=tmp2[2]*(partCompactFormat[2].first+i);
724 for(int j=0;j<tmp4[1];j++)
726 int b=tmp2[1]*(partCompactFormat[1].first+j);
727 for(int k=0;k<tmp4[0];k++,w++)
729 if(partCompactFormat[0].first+k+b+a!=*w)
738 for(int j=0;j<tmp4[1];j++)
740 int b=tmp2[1]*(partCompactFormat[1].first+j);
741 for(int k=0;k<tmp4[0];k++,w++)
743 if(partCompactFormat[0].first+k+b!=*w)
751 for(int k=0;k<tmp4[0];k++,w++)
753 if(partCompactFormat[0].first+k!=*w)
759 throw INTERP_KERNEL::Exception("MEDCouplingStructuredMesh::IsPartStructured : internal error !");
764 * This method builds the explicit entity array from the structure in \a st and the range in \a partCompactFormat.
765 *If the range contains invalid values regarding sructure an exception will be thrown.
767 * \return DataArrayInt * - a new object.
768 * \sa MEDCouplingStructuredMesh::IsPartStructured
770 DataArrayInt *MEDCouplingStructuredMesh::BuildExplicitIdsFrom(const std::vector<int>& st, const std::vector< std::pair<int,int> >& partCompactFormat)
772 if(st.size()!=partCompactFormat.size())
773 throw INTERP_KERNEL::Exception("MEDCouplingStructuredMesh::BuildExplicitIdsFrom : input arrays must have the same size !");
775 std::vector<int> dims(st.size());
776 for(std::size_t i=0;i<st.size();i++)
778 if(partCompactFormat[i].first<0 || partCompactFormat[i].first>st[i])
779 throw INTERP_KERNEL::Exception("MEDCouplingStructuredMesh::BuildExplicitIdsFrom : invalid input range 1 !");
780 if(partCompactFormat[i].second<0 || partCompactFormat[i].second>st[i])
781 throw INTERP_KERNEL::Exception("MEDCouplingStructuredMesh::BuildExplicitIdsFrom : invalid input range 2 !");
782 if(partCompactFormat[i].second<=partCompactFormat[i].first)
783 throw INTERP_KERNEL::Exception("MEDCouplingStructuredMesh::BuildExplicitIdsFrom : invalid input range 3 !");
784 dims[i]=partCompactFormat[i].second-partCompactFormat[i].first;
787 MEDCouplingAutoRefCountObjectPtr<DataArrayInt> ret(DataArrayInt::New());
788 ret->alloc(nbOfItems,1);
789 int *pt(ret->getPointer());
794 for(int i=0;i<dims[2];i++)
796 int a=(partCompactFormat[2].first+i)*st[0]*st[1];
797 for(int j=0;j<dims[1];j++)
799 int b=(partCompactFormat[1].first+j)*st[0];
800 for(int k=0;k<dims[0];k++,pt++)
801 *pt=partCompactFormat[0].first+k+b+a;
808 for(int j=0;j<dims[1];j++)
810 int b=(partCompactFormat[1].first+j)*st[0];
811 for(int k=0;k<dims[0];k++,pt++)
812 *pt=partCompactFormat[0].first+k+b;
818 for(int k=0;k<dims[0];k++,pt++)
819 *pt=partCompactFormat[0].first+k;
823 throw INTERP_KERNEL::Exception("MEDCouplingStructuredMesh::BuildExplicitIdsFrom : Dimension supported are 1,2 or 3 !");