1 // Copyright (C) 2007-2023 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 (EdF)
21 using namespace MEDCoupling;
23 class MinusOneSonsGenerator
26 MinusOneSonsGenerator(const INTERP_KERNEL::CellModel& cm):_cm(cm) { }
27 unsigned getNumberOfSons2(const mcIdType *conn, mcIdType lgth) const { return _cm.getNumberOfSons2(conn,lgth); }
28 unsigned fillSonCellNodalConnectivity2(int sonId, const mcIdType *nodalConn, mcIdType lgth, mcIdType *sonNodalConn, INTERP_KERNEL::NormalizedCellType& typeOfSon) const { return _cm.fillSonCellNodalConnectivity2(sonId,nodalConn,lgth,sonNodalConn,typeOfSon); }
29 static const int DELTA=1;
31 const INTERP_KERNEL::CellModel& _cm;
34 class MinusOneSonsGeneratorBiQuadratic
37 MinusOneSonsGeneratorBiQuadratic(const INTERP_KERNEL::CellModel& cm):_cm(cm) { }
38 unsigned getNumberOfSons2(const mcIdType *conn, mcIdType lgth) const { return _cm.getNumberOfSons2(conn,lgth); }
39 unsigned fillSonCellNodalConnectivity2(int sonId, const mcIdType *nodalConn, mcIdType lgth, mcIdType *sonNodalConn, INTERP_KERNEL::NormalizedCellType& typeOfSon) const { return _cm.fillSonCellNodalConnectivity4(sonId,nodalConn,lgth,sonNodalConn,typeOfSon); }
40 static const int DELTA=1;
42 const INTERP_KERNEL::CellModel& _cm;
45 class MinusTwoSonsGenerator
48 MinusTwoSonsGenerator(const INTERP_KERNEL::CellModel& cm):_cm(cm) { }
49 unsigned getNumberOfSons2(const mcIdType *conn, mcIdType lgth) const { return _cm.getNumberOfEdgesIn3D(conn,lgth); }
50 unsigned fillSonCellNodalConnectivity2(int sonId, const mcIdType *nodalConn, mcIdType lgth, mcIdType *sonNodalConn, INTERP_KERNEL::NormalizedCellType& typeOfSon) const { return _cm.fillSonEdgesNodalConnectivity3D(sonId,nodalConn,lgth,sonNodalConn,typeOfSon); }
51 static const int DELTA=2;
53 const INTERP_KERNEL::CellModel& _cm;
56 class MicroEdgesGenerator2D
59 MicroEdgesGenerator2D(const INTERP_KERNEL::CellModel& cm):_cm(cm) { }
60 unsigned getNumberOfSons2(const mcIdType *conn, mcIdType lgth) const { return _cm.getNumberOfMicroEdges(); }
61 unsigned fillSonCellNodalConnectivity2(int sonId, const mcIdType *nodalConn, mcIdType lgth, mcIdType *sonNodalConn, INTERP_KERNEL::NormalizedCellType& typeOfSon) const { return _cm.fillMicroEdgeNodalConnectivity(sonId,nodalConn,sonNodalConn,typeOfSon); }
62 static const int DELTA=1;
64 const INTERP_KERNEL::CellModel& _cm;
67 class MicroEdgesGenerator3D
70 MicroEdgesGenerator3D(const INTERP_KERNEL::CellModel& cm):_cm(cm) { }
71 unsigned getNumberOfSons2(const mcIdType *conn, mcIdType lgth) const { return _cm.getNumberOfMicroEdges(); }
72 unsigned fillSonCellNodalConnectivity2(int sonId, const mcIdType *nodalConn, mcIdType lgth, mcIdType *sonNodalConn, INTERP_KERNEL::NormalizedCellType& typeOfSon) const { return _cm.fillMicroEdgeNodalConnectivity(sonId,nodalConn,sonNodalConn,typeOfSon); }
73 static const int DELTA=2;
75 const INTERP_KERNEL::CellModel& _cm;
78 mcIdType MEDCouplingFastNbrer(mcIdType id, mcIdType nb, const INTERP_KERNEL::CellModel& cm, bool compute, const mcIdType *conn1, const mcIdType *conn2);
79 mcIdType MEDCouplingOrientationSensitiveNbrer(mcIdType id, mcIdType nb, const INTERP_KERNEL::CellModel& cm, bool compute, const mcIdType *conn1, const mcIdType *conn2);
83 template<const int SPACEDIMM>
87 static const int MY_SPACEDIM=SPACEDIMM;
88 static const int MY_MESHDIM=8;
89 typedef mcIdType MyConnType;
90 static const INTERP_KERNEL::NumberingPolicy My_numPol=INTERP_KERNEL::ALL_C_MODE;
92 // useless, but for windows compilation ...
93 const double* getCoordinatesPtr() const { return 0; }
94 const MyConnType* getConnectivityPtr() const { return 0; }
95 const MyConnType* getConnectivityIndexPtr() const { return 0; }
96 INTERP_KERNEL::NormalizedCellType getTypeOfElement(MyConnType) const { return (INTERP_KERNEL::NormalizedCellType)0; }
101 template<int SPACEDIM>
102 void MEDCouplingUMesh::getCellsContainingPointsAlg(const double *coords, const double *pos, mcIdType nbOfPoints,
103 double eps, MCAuto<DataArrayIdType>& elts, MCAuto<DataArrayIdType>& eltsIndex, std::function<bool(INTERP_KERNEL::NormalizedCellType,int)> sensibilityTo2DQuadraticLinearCellsFunc) const
105 // Override precision for this method only:
106 INTERP_KERNEL::QuadraticPlanarPrecision prec(eps);
108 elts=DataArrayIdType::New(); eltsIndex=DataArrayIdType::New(); eltsIndex->alloc(nbOfPoints+1,1); eltsIndex->setIJ(0,0,0); elts->alloc(0,1);
109 mcIdType *eltsIndexPtr(eltsIndex->getPointer());
110 MCAuto<DataArrayDouble> bboxArr(getBoundingBoxForBBTree(eps));
111 const double *bbox(bboxArr->begin());
112 mcIdType nbOfCells=getNumberOfCells();
113 const mcIdType *conn=_nodal_connec->getConstPointer();
114 const mcIdType *connI=_nodal_connec_index->getConstPointer();
115 double bb[2*SPACEDIM];
116 BBTree<SPACEDIM,mcIdType> myTree(&bbox[0],0,0,nbOfCells,-eps);
117 for(mcIdType i=0;i<nbOfPoints;i++)
119 eltsIndexPtr[i+1]=eltsIndexPtr[i];
120 for(int j=0;j<SPACEDIM;j++)
122 bb[2*j]=pos[SPACEDIM*i+j];
123 bb[2*j+1]=pos[SPACEDIM*i+j];
125 std::vector<mcIdType> candidates;
126 myTree.getIntersectingElems(bb,candidates);
127 for(std::vector<mcIdType>::const_iterator iter=candidates.begin();iter!=candidates.end();iter++)
129 mcIdType sz(connI[(*iter)+1]-connI[*iter]-1);
130 INTERP_KERNEL::NormalizedCellType ct((INTERP_KERNEL::NormalizedCellType)conn[connI[*iter]]);
132 // [ABN] : point locator algorithms are not impl. for POLY or QPOLY in spaceDim3
134 (ct == INTERP_KERNEL::NORM_POLYGON || sensibilityTo2DQuadraticLinearCellsFunc(ct,_mesh_dim)))
135 throw INTERP_KERNEL::Exception("MEDCouplingUMesh::getCellsContainingPointsAlg : not implemented yet for POLYGON and QPOLYGON in spaceDim 3 !");
136 // Keep calling simple algorithm when this is desired and simple for speed reasons:
137 if (SPACEDIM == 2 && ct != INTERP_KERNEL::NORM_POLYGON && !sensibilityTo2DQuadraticLinearCellsFunc(ct,_mesh_dim))
138 status=INTERP_KERNEL::PointLocatorAlgos<DummyClsMCUG<2> >::isElementContainsPointAlgo2DSimple2(pos+i*SPACEDIM,ct,coords,conn+connI[*iter]+1,sz,eps);
140 status=INTERP_KERNEL::PointLocatorAlgos<DummyClsMCUG<SPACEDIM> >::isElementContainsPoint(pos+i*SPACEDIM,ct,coords,conn+connI[*iter]+1,sz,eps);
144 elts->pushBackSilent(*iter);
151 * \b WARNING this method do the assumption that connectivity lies on the coordinates set.
152 * For speed reasons no check of this will be done.
154 template<class SonsGenerator>
155 MEDCouplingUMesh *MEDCouplingUMesh::buildDescendingConnectivityGen(DataArrayIdType *desc, DataArrayIdType *descIndx, DataArrayIdType *revDesc, DataArrayIdType *revDescIndx, DimM1DescNbrer nbrer) const
157 if(!desc || !descIndx || !revDesc || !revDescIndx)
158 throw INTERP_KERNEL::Exception("MEDCouplingUMesh::buildDescendingConnectivityGen : present of a null pointer in input !");
159 checkConnectivityFullyDefined();
160 mcIdType nbOfCells=getNumberOfCells();
161 mcIdType nbOfNodes=getNumberOfNodes();
162 MCAuto<DataArrayIdType> revNodalIndx=DataArrayIdType::New(); revNodalIndx->alloc(nbOfNodes+1,1); revNodalIndx->fillWithZero();
163 mcIdType *revNodalIndxPtr=revNodalIndx->getPointer();
164 const mcIdType *conn=_nodal_connec->getConstPointer();
165 const mcIdType *connIndex=_nodal_connec_index->getConstPointer();
166 std::string name="Mesh constituent of "; name+=getName();
167 MCAuto<MEDCouplingUMesh> ret=MEDCouplingUMesh::New(name,getMeshDimension()-SonsGenerator::DELTA);
168 ret->setCoords(getCoords());
169 ret->allocateCells(2*nbOfCells);
170 descIndx->alloc(nbOfCells+1,1);
171 MCAuto<DataArrayIdType> revDesc2(DataArrayIdType::New()); revDesc2->reserve(2*nbOfCells);
172 mcIdType *descIndxPtr=descIndx->getPointer(); *descIndxPtr++=0;
173 for(mcIdType eltId=0;eltId<nbOfCells;eltId++,descIndxPtr++)
175 mcIdType pos=connIndex[eltId];
176 mcIdType posP1=connIndex[eltId+1];
177 const INTERP_KERNEL::CellModel& cm=INTERP_KERNEL::CellModel::GetCellModel((INTERP_KERNEL::NormalizedCellType)conn[pos]);
178 SonsGenerator sg(cm);
179 unsigned nbOfSons=sg.getNumberOfSons2(conn+pos+1,posP1-pos-1);
180 INTERP_KERNEL::AutoPtr<mcIdType> tmp=new mcIdType[posP1-pos];
181 for(unsigned i=0;i<nbOfSons;i++)
183 INTERP_KERNEL::NormalizedCellType cmsId;
184 unsigned nbOfNodesSon=sg.fillSonCellNodalConnectivity2(i,conn+pos+1,posP1-pos-1,tmp,cmsId);
185 for(unsigned k=0;k<nbOfNodesSon;k++)
187 revNodalIndxPtr[tmp[k]+1]++;
188 ret->insertNextCell(cmsId,nbOfNodesSon,tmp);
189 revDesc2->pushBackSilent(eltId);
191 descIndxPtr[0]=descIndxPtr[-1]+ToIdType(nbOfSons);
193 mcIdType nbOfCellsM1=ret->getNumberOfCells();
194 std::transform(revNodalIndxPtr+1,revNodalIndxPtr+nbOfNodes+1,revNodalIndxPtr,revNodalIndxPtr+1,std::plus<mcIdType>());
195 MCAuto<DataArrayIdType> revNodal=DataArrayIdType::New(); revNodal->alloc(revNodalIndx->back(),1);
196 std::fill(revNodal->getPointer(),revNodal->getPointer()+revNodalIndx->back(),-1);
197 mcIdType *revNodalPtr=revNodal->getPointer();
198 const mcIdType *connM1=ret->getNodalConnectivity()->getConstPointer();
199 const mcIdType *connIndexM1=ret->getNodalConnectivityIndex()->getConstPointer();
200 for(mcIdType eltId=0;eltId<nbOfCellsM1;eltId++)
202 const mcIdType *strtNdlConnOfCurCell=connM1+connIndexM1[eltId]+1;
203 const mcIdType *endNdlConnOfCurCell=connM1+connIndexM1[eltId+1];
204 for(const mcIdType *iter=strtNdlConnOfCurCell;iter!=endNdlConnOfCurCell;iter++)
205 if(*iter>=0)//for polyhedrons
206 *std::find_if(revNodalPtr+revNodalIndxPtr[*iter],revNodalPtr+revNodalIndxPtr[*iter+1],std::bind(std::equal_to<mcIdType>(),std::placeholders::_1,-1))=eltId;
209 DataArrayIdType *commonCells=0,*commonCellsI=0;
210 FindCommonCellsAlg(3,0,ret->getNodalConnectivity(),ret->getNodalConnectivityIndex(),revNodal,revNodalIndx,commonCells,commonCellsI);
211 MCAuto<DataArrayIdType> commonCellsTmp(commonCells),commonCellsITmp(commonCellsI);
212 const mcIdType *commonCellsPtr(commonCells->getConstPointer()),*commonCellsIPtr(commonCellsI->getConstPointer());
213 mcIdType newNbOfCellsM1=-1;
214 MCAuto<DataArrayIdType> o2nM1=DataArrayIdType::ConvertIndexArrayToO2N(nbOfCellsM1,commonCells->begin(),
215 commonCellsI->begin(),commonCellsI->end(),newNbOfCellsM1);
216 std::vector<bool> isImpacted(nbOfCellsM1,false);
217 for(const mcIdType *work=commonCellsI->begin();work!=commonCellsI->end()-1;work++)
218 for(mcIdType work2=work[0];work2!=work[1];work2++)
219 isImpacted[commonCellsPtr[work2]]=true;
220 const mcIdType *o2nM1Ptr=o2nM1->getConstPointer();
221 MCAuto<DataArrayIdType> n2oM1=o2nM1->invertArrayO2N2N2OBis(newNbOfCellsM1);
222 const mcIdType *n2oM1Ptr=n2oM1->getConstPointer();
223 MCAuto<MEDCouplingUMesh> ret2=static_cast<MEDCouplingUMesh *>(ret->buildPartOfMySelf(n2oM1->begin(),n2oM1->end(),true));
224 ret2->copyTinyInfoFrom(this);
225 desc->alloc(descIndx->back(),1);
226 mcIdType *descPtr=desc->getPointer();
227 const INTERP_KERNEL::CellModel& cmsDft=INTERP_KERNEL::CellModel::GetCellModel(INTERP_KERNEL::NORM_POINT1);
228 for(mcIdType i=0;i<nbOfCellsM1;i++,descPtr++)
231 *descPtr=nbrer(o2nM1Ptr[i],0,cmsDft,false,0,0);
234 if(i!=n2oM1Ptr[o2nM1Ptr[i]])
236 const INTERP_KERNEL::CellModel& cms=INTERP_KERNEL::CellModel::GetCellModel((INTERP_KERNEL::NormalizedCellType)connM1[connIndexM1[i]]);
237 *descPtr=nbrer(o2nM1Ptr[i],connIndexM1[i+1]-connIndexM1[i]-1,cms,true,connM1+connIndexM1[n2oM1Ptr[o2nM1Ptr[i]]]+1,connM1+connIndexM1[i]+1);
240 *descPtr=nbrer(o2nM1Ptr[i],0,cmsDft,false,0,0);
243 revDesc->reserve(newNbOfCellsM1);
244 revDescIndx->alloc(newNbOfCellsM1+1,1);
245 mcIdType *revDescIndxPtr=revDescIndx->getPointer(); *revDescIndxPtr++=0;
246 const mcIdType *revDesc2Ptr=revDesc2->getConstPointer();
247 for(mcIdType i=0;i<newNbOfCellsM1;i++,revDescIndxPtr++)
249 mcIdType oldCellIdM1=n2oM1Ptr[i];
250 if(!isImpacted[oldCellIdM1])
252 revDesc->pushBackSilent(revDesc2Ptr[oldCellIdM1]);
253 revDescIndxPtr[0]=revDescIndxPtr[-1]+1;
257 for(mcIdType j=commonCellsIPtr[0];j<commonCellsIPtr[1];j++)
258 revDesc->pushBackSilent(revDesc2Ptr[commonCellsPtr[j]]);
259 revDescIndxPtr[0]=revDescIndxPtr[-1]+commonCellsIPtr[1]-commonCellsIPtr[0];