1 // Copyright (C) 2007-2023 CEA, EDF
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 "MEDCouplingGaussLocalization.hxx"
22 #include "InterpKernelGaussCoords.hxx"
23 #include "MEDCoupling1GTUMesh.hxx"
24 #include "MEDCouplingUMesh.hxx"
25 #include "CellModel.hxx"
33 using namespace MEDCoupling;
35 MEDCouplingGaussLocalization::MEDCouplingGaussLocalization(INTERP_KERNEL::NormalizedCellType type, const std::vector<double>& refCoo,
36 const std::vector<double>& gsCoo, const std::vector<double>& w)
37 :_type(type),_ref_coord(refCoo),_gauss_coord(gsCoo),_weight(w)
39 // Will potentially throw (and then release memory for above objects _ref_coord etc ...)
40 checkConsistencyLight();
43 MEDCouplingGaussLocalization::MEDCouplingGaussLocalization(INTERP_KERNEL::NormalizedCellType typ)
46 // Will potentially throw
47 INTERP_KERNEL::CellModel::GetCellModel(_type);
50 void MEDCouplingGaussLocalization::setType(INTERP_KERNEL::NormalizedCellType typ)
52 INTERP_KERNEL::CellModel::GetCellModel(typ);//throws if not found. This is a check
56 void MEDCouplingGaussLocalization::checkConsistencyLight() const
58 const INTERP_KERNEL::CellModel& cm=INTERP_KERNEL::CellModel::GetCellModel(_type);
59 int nbNodes=cm.getNumberOfNodes();
60 int dim=cm.getDimension();
63 if(ToIdType(_ref_coord.size())!=nbNodes*dim)
65 std::ostringstream oss; oss << "Invalid size of refCoo : expecting to be : " << nbNodes << " (nbNodePerCell) * " << dim << " (dim) !";
66 throw INTERP_KERNEL::Exception(oss.str().c_str());
69 if(_gauss_coord.size()!=dim*_weight.size())
71 std::ostringstream oss; oss << "Invalid gsCoo size and weight size : gsCoo.size() must be equal to _weight.size() * " << dim << " (dim) !";
72 throw INTERP_KERNEL::Exception(oss.str().c_str());
76 int MEDCouplingGaussLocalization::getDimension() const
79 THROW_IK_EXCEPTION("getDimension : weight is empty !");
80 return (int)_gauss_coord.size()/(int)_weight.size();
83 int MEDCouplingGaussLocalization::getNumberOfPtsInRefCell() const
85 if(_gauss_coord.empty())
88 THROW_IK_EXCEPTION("getNumberOfPtsInRefCell : gauss_coords are empty whereas weights are not empty !");
89 const INTERP_KERNEL::CellModel& cm = INTERP_KERNEL::CellModel::GetCellModel(_type);
90 return ((int)_ref_coord.size()) / ((int)cm.getDimension());
92 int dim( getDimension() );
93 return (int)_ref_coord.size()/dim;
96 std::string MEDCouplingGaussLocalization::getStringRepr() const
98 std::ostringstream oss;
99 oss << "CellType : " << INTERP_KERNEL::CellModel::GetCellModel(_type).getRepr() << std::endl;
100 oss << "Ref coords : "; std::copy(_ref_coord.begin(),_ref_coord.end(),std::ostream_iterator<double>(oss,", ")); oss << std::endl;
101 oss << "Localization coords : "; std::copy(_gauss_coord.begin(),_gauss_coord.end(),std::ostream_iterator<double>(oss,", ")); oss << std::endl;
102 oss << "Weight : "; std::copy(_weight.begin(),_weight.end(),std::ostream_iterator<double>(oss,", ")); oss << std::endl;
106 std::size_t MEDCouplingGaussLocalization::getMemorySize() const
109 ret+=_ref_coord.capacity()*sizeof(double);
110 ret+=_gauss_coord.capacity()*sizeof(double);
111 ret+=_weight.capacity()*sizeof(double);
115 bool MEDCouplingGaussLocalization::isEqual(const MEDCouplingGaussLocalization& other, double eps) const
117 if(_type!=other._type)
119 if(!AreAlmostEqual(_ref_coord,other._ref_coord,eps))
121 if(!AreAlmostEqual(_gauss_coord,other._gauss_coord,eps))
123 if(!AreAlmostEqual(_weight,other._weight,eps))
128 double MEDCouplingGaussLocalization::getRefCoord(int ptIdInCell, int comp) const
130 const INTERP_KERNEL::CellModel& cm=INTERP_KERNEL::CellModel::GetCellModel(_type);
131 int nbNodes=cm.getNumberOfNodes();
132 int dim=cm.getDimension();
133 if(ptIdInCell<0 || ptIdInCell>=nbNodes)
134 throw INTERP_KERNEL::Exception("ptIdInCell specified is invalid : must be in [0;nbNodesPerCell) !");
135 if(comp<0 || comp>=dim)
136 throw INTERP_KERNEL::Exception("comp specified is invalid : must be in [0:dimOfCell) !");
137 return _ref_coord[ptIdInCell*dim+comp];
140 double MEDCouplingGaussLocalization::getGaussCoord(int gaussPtIdInCell, int comp) const
142 int dim=checkCoherencyOfRequest(gaussPtIdInCell,comp);
143 return _gauss_coord[gaussPtIdInCell*dim+comp];
146 double MEDCouplingGaussLocalization::getWeight(int gaussPtIdInCell) const
148 checkCoherencyOfRequest(gaussPtIdInCell,0);
149 return _weight[gaussPtIdInCell];
153 * Completely useless method for end user. Only for CORBA MPI serialization/unserialization.
154 * push at the end of tinyInfo its basic serialization info. The size of pushed data is always the same.
155 * @param tinyInfo inout parameter.
157 void MEDCouplingGaussLocalization::pushTinySerializationIntInfo(std::vector<mcIdType>& tinyInfo) const
159 tinyInfo.push_back(ToIdType(_type));
160 tinyInfo.push_back(getNumberOfPtsInRefCell());
161 tinyInfo.push_back(getNumberOfGaussPt());
165 * Completely useless method for end user. Only for CORBA MPI serialization/unserialization.
166 * push at the end of tinyInfo its basic serialization info. The size of pushed data is \b NOT always the same contrary to pushTinySerializationIntInfo.
167 * @param tinyInfo inout parameter.
169 void MEDCouplingGaussLocalization::pushTinySerializationDblInfo(std::vector<double>& tinyInfo) const
171 tinyInfo.insert(tinyInfo.end(),_ref_coord.begin(),_ref_coord.end());
172 tinyInfo.insert(tinyInfo.end(),_gauss_coord.begin(),_gauss_coord.end());
173 tinyInfo.insert(tinyInfo.end(),_weight.begin(),_weight.end());
177 * This method operates the exact inverse operation than MEDCouplingGaussLocalization::pushTinySerializationDblInfo method. This is one of the last step of unserialization process.
178 * This method should be called on an object resized by buildNewInstanceFromTinyInfo static method.
179 * This method takes in argument a pointer 'vals' that point to the begin of double data pushed remotely by pushTinySerializationDblInfo method.
180 * This method returns the pointer 'vals' with an offset of size what it has been read in this method.
182 const double *MEDCouplingGaussLocalization::fillWithValues(const double *vals)
184 const double *work=vals;
185 std::copy(work,work+_ref_coord.size(),_ref_coord.begin());
186 work+=_ref_coord.size();
187 std::copy(work,work+_gauss_coord.size(),_gauss_coord.begin());
188 work+=_gauss_coord.size();
189 std::copy(work,work+_weight.size(),_weight.begin());
190 work+=_weight.size();
195 * Given points in \a ptsInRefCoo in the reference coordinates of \a this (in _ref_coord attribute)
196 * this method computes their coordinates in real world for each cells in \a mesh.
197 * So the returned array will contain nbCells* \a ptsInRefCoo->getNumberOfTuples() tuples and the number of component
198 * will be equal to the dimension of \a this.
200 * This method ignores Gauss points in \a this and only those in \a ptsInRefCoo are considered here.
202 MCAuto<DataArrayDouble> MEDCouplingGaussLocalization::localizePtsInRefCooForEachCell(const DataArrayDouble *ptsInRefCoo, const MEDCouplingUMesh *mesh) const
204 if(!ptsInRefCoo || !mesh)
205 throw INTERP_KERNEL::Exception("MEDCouplingGaussLocalization::localizePtsInRefCooForEachCell : null pointer !");
206 ptsInRefCoo->checkAllocated();
207 mesh->checkConsistencyLight();
209 mcIdType nbCells=mesh->getNumberOfCells();
210 const double *coords(mesh->getCoords()->begin());
211 const mcIdType *connI(mesh->getNodalConnectivityIndex()->begin()),*conn(mesh->getNodalConnectivity()->begin());
213 mcIdType nbPts(ptsInRefCoo->getNumberOfTuples());
214 INTERP_KERNEL::NormalizedCellType typ(getType());
215 int dim(INTERP_KERNEL::CellModel::GetCellModel(typ).getDimension()),outDim(mesh->getSpaceDimension());
216 MCAuto<DataArrayDouble> ret(DataArrayDouble::New());
217 ret->alloc(nbPts*nbCells,outDim);
218 double *retPtr(ret->getPointer());
219 if(dim!=ToIdType(ptsInRefCoo->getNumberOfComponents()))
220 throw INTERP_KERNEL::Exception("MEDCouplingGaussLocalization::localizePtsInRefCooForEachCell : number of components of input coo is not equal to dim of element !");
221 INTERP_KERNEL::GaussCoords calculator;
222 calculator.addGaussInfo(typ,dim, ptsInRefCoo->begin(),nbPts,&_ref_coord[0],getNumberOfPtsInRefCell());
224 for(mcIdType i=0;i<nbCells;i++,retPtr+=nbPts*outDim)
225 calculator.calculateCoords(getType(),coords,outDim,conn+connI[i]+1,retPtr);
230 * This method returns an unstructured mesh that represents the reference cell.
232 MCAuto<MEDCouplingUMesh> MEDCouplingGaussLocalization::buildRefCell() const
234 MCAuto<DataArrayDouble> coo(DataArrayDouble::New());
235 const INTERP_KERNEL::CellModel& cm(INTERP_KERNEL::CellModel::GetCellModel(getType()));
236 if(getDimension()!=ToIdType(cm.getDimension()))
237 throw INTERP_KERNEL::Exception("BuildRefCell : dimension mistmatch !");
238 coo->alloc(cm.getNumberOfNodes(),getDimension());
239 std::copy(_ref_coord.begin(),_ref_coord.end(),coo->getPointer());
240 MCAuto<MEDCoupling1SGTUMesh> ret(MEDCoupling1SGTUMesh::New("",getType()));
242 MCAuto<DataArrayIdType> conn(DataArrayIdType::New());
243 conn->alloc(cm.getNumberOfNodes(),1);
245 ret->setNodalConnectivity(conn);
246 return MCAuto<MEDCouplingUMesh>(ret->buildUnstructured());
250 * This method returns an array containing for each Gauss Points in \a this, function values relative to the points of the
251 * reference cell. Number of components of returned array is equal to the number of points of the reference cell.
253 MCAuto<DataArrayDouble> MEDCouplingGaussLocalization::getShapeFunctionValues() const
255 MCAuto<DataArrayDouble> ret(DataArrayDouble::New());
256 int nbGaussPt(getNumberOfGaussPt()),nbPtsRefCell(getNumberOfPtsInRefCell()),dim(getDimension());
257 ret->alloc(nbGaussPt,nbPtsRefCell);
258 double *retPtr(ret->getPointer());
259 for(int iGaussPt = 0 ; iGaussPt < nbGaussPt ; ++iGaussPt)
261 std::vector<double> curGaussPt(_gauss_coord.begin()+iGaussPt*dim,_gauss_coord.begin()+(iGaussPt+1)*dim);
262 INTERP_KERNEL::GaussInfo gi(_type,curGaussPt,1,_ref_coord,nbPtsRefCell);
264 const double *funcVal( gi.getFunctionValues(0) );
265 std::copy(funcVal,funcVal+nbPtsRefCell,retPtr);
266 retPtr += nbPtsRefCell;
271 MCAuto<DataArrayDouble> MEDCouplingGaussLocalization::getDerivativeOfShapeFunctionValues() const
273 MCAuto<DataArrayDouble> ret(DataArrayDouble::New());
274 int nbGaussPt(getNumberOfGaussPt()),nbPtsRefCell(getNumberOfPtsInRefCell()),dim(getDimension());
275 ret->alloc(nbGaussPt,nbPtsRefCell*dim);
276 double *retPtr(ret->getPointer());
277 for(int iGaussPt = 0 ; iGaussPt < nbGaussPt ; ++iGaussPt)
279 std::vector<double> curGaussPt(_gauss_coord.begin()+iGaussPt*dim,_gauss_coord.begin()+(iGaussPt+1)*dim);
280 INTERP_KERNEL::GaussInfo gi(_type,curGaussPt,1,_ref_coord,nbPtsRefCell);
282 const double *devOfFuncVal( gi.getDerivativeOfShapeFunctionAt(0) );
283 std::copy(devOfFuncVal,devOfFuncVal+nbPtsRefCell*dim,retPtr);
284 retPtr += nbPtsRefCell*dim;
290 * This method sets the comp_th component of ptIdInCell_th point coordinate of reference element of type this->_type.
291 * @throw if not 0<=ptIdInCell<nbOfNodePerCell or if not 0<=comp<dim
293 void MEDCouplingGaussLocalization::setRefCoord(int ptIdInCell, int comp, double newVal)
295 const INTERP_KERNEL::CellModel& cm=INTERP_KERNEL::CellModel::GetCellModel(_type);
296 int nbNodes=cm.getNumberOfNodes();
297 int dim=cm.getDimension();
298 if(ptIdInCell<0 || ptIdInCell>=nbNodes)
299 throw INTERP_KERNEL::Exception("ptIdInCell specified is invalid : must be in [0;nbNodesPerCell) !");
300 if(comp<0 || comp>=dim)
301 throw INTERP_KERNEL::Exception("comp specified is invalid : must be in [0:dimOfCell) !");
302 _ref_coord[ptIdInCell*dim+comp]=newVal;
305 void MEDCouplingGaussLocalization::setGaussCoord(int gaussPtIdInCell, int comp, double newVal)
307 int dim=checkCoherencyOfRequest(gaussPtIdInCell,comp);
308 _gauss_coord[gaussPtIdInCell*dim+comp]=newVal;
311 void MEDCouplingGaussLocalization::setWeight(int gaussPtIdInCell, double newVal)
313 checkCoherencyOfRequest(gaussPtIdInCell,0);
314 _weight[gaussPtIdInCell]=newVal;
317 void MEDCouplingGaussLocalization::setRefCoords(const std::vector<double>& refCoo)
322 void MEDCouplingGaussLocalization::setGaussCoords(const std::vector<double>& gsCoo)
327 void MEDCouplingGaussLocalization::setWeights(const std::vector<double>& w)
333 * The format of 'tinyData' parameter is the same than pushed in method MEDCouplingGaussLocalization::pushTinySerializationIntInfo.
335 MEDCouplingGaussLocalization MEDCouplingGaussLocalization::BuildNewInstanceFromTinyInfo(mcIdType dim, const std::vector<mcIdType>& tinyData)
337 std::vector<double> v1(dim*tinyData[1]),v2(dim*tinyData[2]),v3(tinyData[2]);
338 return MEDCouplingGaussLocalization((INTERP_KERNEL::NormalizedCellType)tinyData[0],v1,v2,v3);
341 int MEDCouplingGaussLocalization::checkCoherencyOfRequest(mcIdType gaussPtIdInCell, int comp) const
343 const INTERP_KERNEL::CellModel& cm=INTERP_KERNEL::CellModel::GetCellModel(_type);
344 int dim=cm.getDimension();
345 mcIdType nbGsPts=getNumberOfGaussPt();
346 if(gaussPtIdInCell<0 || gaussPtIdInCell>=nbGsPts)
347 throw INTERP_KERNEL::Exception("gaussPtIdInCell specified is invalid : must be in [0:nbGsPts) !");
348 if(comp<0 || comp>=dim)
349 throw INTERP_KERNEL::Exception("comp specified is invalid : must be in [0:dimOfCell) !");
353 bool MEDCouplingGaussLocalization::AreAlmostEqual(const std::vector<double>& v1, const std::vector<double>& v2, double eps)
355 std::size_t sz=v1.size();
358 std::vector<double> tmp(sz);
359 std::transform(v1.begin(),v1.end(),v2.begin(),tmp.begin(),std::minus<double>());
360 std::transform(tmp.begin(),tmp.end(),tmp.begin(),[](double c){return fabs(c);});
361 return *std::max_element(tmp.begin(),tmp.end())<eps;
364 MCAuto<DataArrayDouble> MEDCouplingGaussLocalization::GetDefaultReferenceCoordinatesOf(INTERP_KERNEL::NormalizedCellType type)
366 std::vector<double> retCpp(INTERP_KERNEL::GaussInfo::GetDefaultReferenceCoordinatesOf(type));
367 const INTERP_KERNEL::CellModel& cm=INTERP_KERNEL::CellModel::GetCellModel(type);
368 auto nbDim(cm.getDimension());
369 std::size_t sz(retCpp.size());
370 MCAuto<DataArrayDouble> ret(DataArrayDouble::New());
371 if( sz%std::size_t(nbDim) != 0 )
372 THROW_IK_EXCEPTION("GetDefaultReferenceCoordinatesOf : unexpected size of defaut array : " << sz << " % " << nbDim << " != 0 !");
373 ret->alloc(sz/size_t(nbDim),nbDim);
374 std::copy(retCpp.begin(),retCpp.end(),ret->getPointer());