-// Copyright (C) 2007-2013 CEA/DEN, EDF R&D
+// Copyright (C) 2007-2014 CEA/DEN, EDF R&D
//
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public
// License as published by the Free Software Foundation; either
-// version 2.1 of the License.
+// version 2.1 of the License, or (at your option) any later version.
//
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
#include "MEDCouplingStructuredMesh.hxx"
#include "MEDCouplingFieldDouble.hxx"
#include "MEDCouplingMemArray.hxx"
+#include "MEDCoupling1GTUMesh.hxx"
#include "MEDCouplingUMesh.hxx"
#include <numeric>
{
}
-std::size_t MEDCouplingStructuredMesh::getHeapMemorySize() const
+std::size_t MEDCouplingStructuredMesh::getHeapMemorySizeWithoutChildren() const
{
- return MEDCouplingMesh::getHeapMemorySize();
+ return MEDCouplingMesh::getHeapMemorySizeWithoutChildren();
}
-void MEDCouplingStructuredMesh::copyTinyStringsFrom(const MEDCouplingMesh *other) throw(INTERP_KERNEL::Exception)
+void MEDCouplingStructuredMesh::copyTinyStringsFrom(const MEDCouplingMesh *other)
{
MEDCouplingMesh::copyTinyStringsFrom(other);
}
-bool MEDCouplingStructuredMesh::isEqualIfNotWhy(const MEDCouplingMesh *other, double prec, std::string& reason) const throw(INTERP_KERNEL::Exception)
+bool MEDCouplingStructuredMesh::isEqualIfNotWhy(const MEDCouplingMesh *other, double prec, std::string& reason) const
{
return MEDCouplingMesh::isEqualIfNotWhy(other,prec,reason);
}
INTERP_KERNEL::NormalizedCellType MEDCouplingStructuredMesh::getTypeOfCell(int cellId) const
{
- switch(getMeshDimension())
- {
+ return GetGeoTypeGivenMeshDimension(getMeshDimension());
+}
+
+INTERP_KERNEL::NormalizedCellType MEDCouplingStructuredMesh::GetGeoTypeGivenMeshDimension(int meshDim)
+{
+ switch(meshDim)
+ {
case 3:
return INTERP_KERNEL::NORM_HEXA8;
case 2:
return INTERP_KERNEL::NORM_QUAD4;
case 1:
return INTERP_KERNEL::NORM_SEG2;
+ case 0:
+ return INTERP_KERNEL::NORM_POINT1;
default:
- throw INTERP_KERNEL::Exception("Unexpected dimension for MEDCouplingCurveLinearMesh::getTypeOfCell !");
- }
+ throw INTERP_KERNEL::Exception("Unexpected dimension for MEDCouplingStructuredMesh::GetGeoTypeGivenMeshDimension !");
+ }
}
std::set<INTERP_KERNEL::NormalizedCellType> MEDCouplingStructuredMesh::getAllGeoTypes() const
throw INTERP_KERNEL::Exception(oss.str().c_str());
}
-DataArrayInt *MEDCouplingStructuredMesh::giveCellsWithType(INTERP_KERNEL::NormalizedCellType type) const throw(INTERP_KERNEL::Exception)
+DataArrayInt *MEDCouplingStructuredMesh::giveCellsWithType(INTERP_KERNEL::NormalizedCellType type) const
{
MEDCouplingAutoRefCountObjectPtr<DataArrayInt> ret=DataArrayInt::New();
if(getTypeOfCell(0)==type)
return ret.retn();
}
-DataArrayInt *MEDCouplingStructuredMesh::computeNbOfNodesPerCell() const throw(INTERP_KERNEL::Exception)
+DataArrayInt *MEDCouplingStructuredMesh::computeNbOfNodesPerCell() const
{
int nbCells=getNumberOfCells();
MEDCouplingAutoRefCountObjectPtr<DataArrayInt> ret=DataArrayInt::New();
return ret.retn();
}
-DataArrayInt *MEDCouplingStructuredMesh::computeNbOfFacesPerCell() const throw(INTERP_KERNEL::Exception)
+DataArrayInt *MEDCouplingStructuredMesh::computeNbOfFacesPerCell() const
{
int nbCells=getNumberOfCells();
MEDCouplingAutoRefCountObjectPtr<DataArrayInt> ret=DataArrayInt::New();
return ret.retn();
}
+/*!
+ * This method computes effective number of nodes per cell. That is to say nodes appearing several times in nodal connectivity of a cell,
+ * will be counted only once here whereas it will be counted several times in MEDCouplingMesh::computeNbOfNodesPerCell method.
+ * Here for structured mesh it returns exactly as MEDCouplingStructuredMesh::computeNbOfNodesPerCell does.
+ *
+ * \return DataArrayInt * - new object to be deallocated by the caller.
+ */
+DataArrayInt *MEDCouplingStructuredMesh::computeEffectiveNbOfNodesPerCell() const
+{
+ return computeNbOfNodesPerCell();
+}
+
void MEDCouplingStructuredMesh::getNodeIdsOfCell(int cellId, std::vector<int>& conn) const
{
int meshDim=getMeshDimension();
int tmp2[3];
GetPosFromId(cellId,meshDim,tmpCell,tmp2);
switch(meshDim)
- {
+ {
case 1:
conn.push_back(tmp2[0]); conn.push_back(tmp2[0]+1);
break;
case 2:
- conn.push_back(tmp2[1]*tmpCell[1]+tmp2[0]); conn.push_back(tmp2[1]*tmpCell[1]+tmp2[0]+1);
- conn.push_back((tmp2[1]+1)*(tmpCell[1]+1)+tmp2[0]+1); conn.push_back((tmp2[1]+1)*(tmpCell[1]+1)+tmp2[0]);
+ conn.push_back(tmp2[1]*tmpNode[1]+tmp2[0]); conn.push_back(tmp2[1]*tmpNode[1]+tmp2[0]+1);
+ conn.push_back((tmp2[1]+1)*tmpNode[1]+tmp2[0]+1); conn.push_back((tmp2[1]+1)*tmpNode[1]+tmp2[0]);
break;
case 3:
- conn.push_back(tmp2[1]*tmpCell[1]+tmp2[0]+tmp2[2]*tmpNode[2]); conn.push_back(tmp2[1]*tmpCell[1]+tmp2[0]+1+tmp2[2]*tmpNode[2]);
+ 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]);
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]);
- conn.push_back(tmp2[1]*tmpCell[1]+tmp2[0]+(tmp2[2]+1)*tmpNode[2]); conn.push_back(tmp2[1]*tmpCell[1]+tmp2[0]+1+(tmp2[2]+1)*tmpNode[2]);
+ 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]);
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]);
break;
default:
throw INTERP_KERNEL::Exception("MEDCouplingStructuredMesh::getNodeIdsOfCell : big problem spacedim must be in 1,2 or 3 !");
- };
+ };
+}
+
+/*!
+ * This method returns the mesh dimension of \a this. It can be different from space dimension in case of a not null dimension contains only one node.
+ */
+int MEDCouplingStructuredMesh::getMeshDimension() const
+{
+ std::vector<int> ngs(getNodeGridStructure());
+ int ret(0),pos(0);
+ for(std::vector<int>::const_iterator it=ngs.begin();it!=ngs.end();it++,pos++)
+ {
+ if(*it<=0)
+ {
+ std::ostringstream oss; oss << "MEDCouplingStructuredMesh::getMeshDimension : At pos #" << pos << " number of nodes is " << *it << " ! Must be > 0 !";
+ throw INTERP_KERNEL::Exception(oss.str().c_str());
+ }
+ if(*it>1)
+ ret++;
+ }
+ return ret;
+}
+
+/*!
+ * This method returns the space dimension by only considering the node grid structure.
+ * For cartesian mesh the returned value is equal to those returned by getSpaceDimension.
+ * But for curvelinear is could be different !
+ */
+int MEDCouplingStructuredMesh::getSpaceDimensionOnNodeStruct() const
+{
+ std::vector<int> nodeStr(getNodeGridStructure());
+ int spd1(0),pos(0);
+ for(std::vector<int>::const_iterator it=nodeStr.begin();it!=nodeStr.end();it++,pos++)
+ {
+ int elt(*it);
+ if(elt<=0)
+ {
+ std::ostringstream oss; oss << "MEDCouplingStructuredMesh::getSpaceDimensionOnNodeStruct : At pos #" << pos << " value of node grid structure is " << *it << " ! must be >=1 !";
+ throw INTERP_KERNEL::Exception(oss.str().c_str());
+ }
+ spd1++;
+ }
+ return spd1;
+}
+
+void MEDCouplingStructuredMesh::getSplitCellValues(int *res) const
+{
+ std::vector<int> strct(getCellGridStructure());
+ std::vector<int> ret(MEDCouplingStructuredMesh::GetSplitVectFromStruct(strct));
+ std::copy(ret.begin(),ret.end(),res);
+}
+
+void MEDCouplingStructuredMesh::getSplitNodeValues(int *res) const
+{
+ std::vector<int> strct(getNodeGridStructure());
+ std::vector<int> ret(MEDCouplingStructuredMesh::GetSplitVectFromStruct(strct));
+ std::copy(ret.begin(),ret.end(),res);
+}
+
+/*!
+ * This method returns the number of cells of unstructured sub level mesh, without building it.
+ */
+int MEDCouplingStructuredMesh::getNumberOfCellsOfSubLevelMesh() const
+{
+ std::vector<int> cgs(getCellGridStructure());
+ return GetNumberOfCellsOfSubLevelMesh(cgs,getMeshDimension());
}
/*!
* See MEDCouplingUMesh::getDistributionOfTypes for more information
*/
-std::vector<int> MEDCouplingStructuredMesh::getDistributionOfTypes() const throw(INTERP_KERNEL::Exception)
+std::vector<int> MEDCouplingStructuredMesh::getDistributionOfTypes() const
{
//only one type of cell
std::vector<int> ret(3);
ret[0]=getTypeOfCell(0);
ret[1]=getNumberOfCells();
- ret[2]=0; //ret[3*k+2]==0 because it has no sense here
+ ret[2]=-1; //ret[3*k+2]==-1 because it has no sense here
return ret;
}
/*!
+ * This method tries to minimize at most the number of deep copy.
+ * So if \a idsPerType is not empty it can be returned directly (without copy, but with ref count incremented) in return.
+ *
* See MEDCouplingUMesh::checkTypeConsistencyAndContig for more information
*/
-DataArrayInt *MEDCouplingStructuredMesh::checkTypeConsistencyAndContig(const std::vector<int>& code, const std::vector<const DataArrayInt *>& idsPerType) const throw(INTERP_KERNEL::Exception)
+DataArrayInt *MEDCouplingStructuredMesh::checkTypeConsistencyAndContig(const std::vector<int>& code, const std::vector<const DataArrayInt *>& idsPerType) const
{
- if(code.empty())
- throw INTERP_KERNEL::Exception("MEDCouplingCurveLinearMesh::checkTypeConsistencyAndContig : code is empty, should not !");
- std::size_t sz=code.size();
- if(sz!=3)
- throw INTERP_KERNEL::Exception("MEDCouplingCurveLinearMesh::checkTypeConsistencyAndContig : code should be of size 3 exactly !");
-
- int nbCells=getNumberOfCellsWithType((INTERP_KERNEL::NormalizedCellType)code[0]);
+ int nbOfCells=getNumberOfCells();
+ if(code.size()!=3)
+ throw INTERP_KERNEL::Exception("MEDCouplingStructuredMesh::checkTypeConsistencyAndContig : invalid input code should be exactly of size 3 !");
+ if(code[0]!=(int)getTypeOfCell(0))
+ {
+ std::ostringstream oss; oss << "MEDCouplingStructuredMesh::checkTypeConsistencyAndContig : Mismatch of geometric type ! Asking for " << code[0] << " whereas the geometric type is \a this is " << getTypeOfCell(0) << " !";
+ throw INTERP_KERNEL::Exception(oss.str().c_str());
+ }
if(code[2]==-1)
{
- if(code[1]==nbCells)
+ if(code[1]==nbOfCells)
return 0;
else
- throw INTERP_KERNEL::Exception("MEDCouplingCurveLinearMesh::checkTypeConsistencyAndContig : number of cells mismatch !");
+ {
+ std::ostringstream oss; oss << "MEDCouplingStructuredMesh::checkTypeConsistencyAndContig : mismatch between the number of cells in this (" << nbOfCells << ") and the number of non profile (" << code[1] << ") !";
+ throw INTERP_KERNEL::Exception(oss.str().c_str());
+ }
}
- else
+ if(code[2]!=0)
+ throw INTERP_KERNEL::Exception("MEDCouplingStructuredMesh::checkTypeConsistencyAndContig : single geo type mesh ! 0 or -1 is expected at pos #2 of input code !");
+ if(idsPerType.size()!=1)
+ throw INTERP_KERNEL::Exception("MEDCouplingStructuredMesh::checkTypeConsistencyAndContig : input code points to DataArrayInt #0 whereas the size of idsPerType is not equal to 1 !");
+ const DataArrayInt *pfl=idsPerType[0];
+ if(!pfl)
+ throw INTERP_KERNEL::Exception("MEDCouplingStructuredMesh::checkTypeConsistencyAndContig : the input code points to a NULL DataArrayInt at rank 0 !");
+ if(pfl->getNumberOfComponents()!=1)
+ throw INTERP_KERNEL::Exception("MEDCouplingStructuredMesh::checkTypeConsistencyAndContig : input profile should have exactly one component !");
+ pfl->checkAllIdsInRange(0,nbOfCells);
+ pfl->incrRef();
+ return const_cast<DataArrayInt *>(pfl);
+}
+
+/*!
+ * 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.
+ * 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.
+ * This method has 1 input \a profile and 3 outputs \a code \a idsInPflPerType and \a idsPerType.
+ *
+ * \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.
+ * \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,
+ * \a idsInPflPerType[i] stores the tuple ids in \a profile that correspond to the geometric type code[3*i+0]
+ * \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.
+ * This vector can be empty in case of all geometric type cells are fully covered in ascending in the given input \a profile.
+ *
+ * \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.
+ *
+ * \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
+ *
+ * \b Example1: <br>
+ * - Before \a this has 3 cells \a profile contains [0,1,2]
+ * - After \a code contains [NORM_...,nbCells,-1], \a idsInPflPerType [[0,1,2]] and \a idsPerType is empty <br>
+ *
+ * \b Example2: <br>
+ * - Before \a this has 3 cells \a profile contains [1,2]
+ * - After \a code contains [NORM_...,nbCells,0], \a idsInPflPerType [[0,1]] and \a idsPerType is [[1,2]] <br>
+
+ */
+void MEDCouplingStructuredMesh::splitProfilePerType(const DataArrayInt *profile, std::vector<int>& code, std::vector<DataArrayInt *>& idsInPflPerType, std::vector<DataArrayInt *>& idsPerType) const
+{
+ if(!profile || !profile->isAllocated())
+ throw INTERP_KERNEL::Exception("MEDCouplingStructuredMesh::splitProfilePerType : input profile is NULL or not allocated !");
+ if(profile->getNumberOfComponents()!=1)
+ throw INTERP_KERNEL::Exception("MEDCouplingStructuredMesh::splitProfilePerType : input profile should have exactly one component !");
+ int nbTuples=profile->getNumberOfTuples();
+ int nbOfCells=getNumberOfCells();
+ code.resize(3); idsInPflPerType.resize(1);
+ code[0]=(int)getTypeOfCell(0); code[1]=nbOfCells;
+ idsInPflPerType.resize(1);
+ if(profile->isIdentity() && nbTuples==nbOfCells)
{
- if(code[2]<-1)
- throw INTERP_KERNEL::Exception("MEDCouplingCurveLinearMesh::checkTypeConsistencyAndContig : code[2]<-1 mismatch !");
- if(code[2]>=(int)idsPerType.size())
- throw INTERP_KERNEL::Exception("MEDCouplingCurveLinearMesh::checkTypeConsistencyAndContig : code[2]>size idsPerType !");
- return idsPerType[code[2]]->deepCpy();
+ code[2]=-1;
+ idsInPflPerType[0]=0;
+ idsPerType.clear();
+ return ;
}
+ code[1]=profile->getNumberOfTuples();
+ code[2]=0;
+ profile->checkAllIdsInRange(0,nbOfCells);
+ idsPerType.resize(1);
+ idsPerType[0]=profile->deepCpy();
+ idsInPflPerType[0]=DataArrayInt::Range(0,nbTuples,1);
}
/*!
- * See MEDCouplingUMesh::splitProfilePerType for more information
+ * Creates a new unstructured mesh (MEDCoupling1SGTUMesh) from \a this structured one.
+ * \return MEDCouplingUMesh * - a new instance of MEDCouplingUMesh. The caller is to
+ * delete this array using decrRef() as it is no more needed.
+ * \throw If \a this->getMeshDimension() is not among [1,2,3].
*/
-void MEDCouplingStructuredMesh::splitProfilePerType(const DataArrayInt *profile, std::vector<int>& code, std::vector<DataArrayInt *>& idsInPflPerType, std::vector<DataArrayInt *>& idsPerType) const throw(INTERP_KERNEL::Exception)
+MEDCoupling1SGTUMesh *MEDCouplingStructuredMesh::build1SGTUnstructured() const
{
- int nbCells=getNumberOfCells();
- code.resize(3);
- code[0]=(int)getTypeOfCell(0);
- code[1]=nbCells;
- code[2]=0;
- idsInPflPerType.push_back(profile->deepCpy());
- idsPerType.push_back(profile->deepCpy());
+ int meshDim(getMeshDimension()),spaceDim(getSpaceDimensionOnNodeStruct());
+ if((meshDim<0 || meshDim>3) || (spaceDim<0 || spaceDim>3))
+ throw INTERP_KERNEL::Exception("MEDCouplingStructuredMesh::build1SGTUnstructured : meshdim and spacedim must be in [1,2,3] !");
+ MEDCouplingAutoRefCountObjectPtr<DataArrayDouble> coords(getCoordinatesAndOwner());
+ int ns[3];
+ getNodeGridStructure(ns);
+ MEDCouplingAutoRefCountObjectPtr<DataArrayInt> conn(Build1GTNodalConnectivity(ns,ns+spaceDim));
+ MEDCouplingAutoRefCountObjectPtr<MEDCoupling1SGTUMesh> ret(MEDCoupling1SGTUMesh::New(getName(),GetGeoTypeGivenMeshDimension(meshDim)));
+ ret->setNodalConnectivity(conn); ret->setCoords(coords);
+ return ret.retn();
+}
+
+/*!
+ * This method returns the unstructured mesh (having single geometric type) of the sub level mesh of \a this.
+ * This method is equivalent to computing MEDCouplingUMesh::buildDescendingConnectivity on the unstructurized \a this mesh.
+ *
+ * The caller is to delete the returned mesh using decrRef() as it is no more needed.
+ */
+MEDCoupling1SGTUMesh *MEDCouplingStructuredMesh::build1SGTSubLevelMesh() const
+{
+ int meshDim(getMeshDimension());
+ if(meshDim<1 || meshDim>3)
+ throw INTERP_KERNEL::Exception("MEDCouplingStructuredMesh::build1SGTSubLevelMesh : meshdim must be in [2,3] !");
+ MEDCouplingAutoRefCountObjectPtr<DataArrayDouble> coords(getCoordinatesAndOwner());
+ int ns[3];
+ getNodeGridStructure(ns);
+ MEDCouplingAutoRefCountObjectPtr<DataArrayInt> conn(Build1GTNodalConnectivityOfSubLevelMesh(ns,ns+meshDim));
+ MEDCouplingAutoRefCountObjectPtr<MEDCoupling1SGTUMesh> ret(MEDCoupling1SGTUMesh::New(getName(),GetGeoTypeGivenMeshDimension(meshDim-1)));
+ ret->setNodalConnectivity(conn); ret->setCoords(coords);
+ return ret.retn();
}
/*!
* delete this array using decrRef() as it is no more needed.
* \throw If \a this->getMeshDimension() is not among [1,2,3].
*/
-MEDCouplingUMesh *MEDCouplingStructuredMesh::buildUnstructured() const throw(INTERP_KERNEL::Exception)
+MEDCouplingUMesh *MEDCouplingStructuredMesh::buildUnstructured() const
{
- int meshDim=getMeshDimension();
- MEDCouplingUMesh *ret=MEDCouplingUMesh::New(getName(),meshDim);
- DataArrayDouble *coords=getCoordinatesAndOwner();
- ret->setCoords(coords);
- coords->decrRef();
- switch(meshDim)
- {
- case 1:
- fill1DUnstructuredMesh(ret);
- break;
- case 2:
- fill2DUnstructuredMesh(ret);
- break;
- case 3:
- fill3DUnstructuredMesh(ret);
- break;
- default:
- throw INTERP_KERNEL::Exception("MEDCouplingStructuredMesh::buildUnstructured : big problem spacedim must be in 1,2 or 3 !");
- };
- return ret;
+ MEDCouplingAutoRefCountObjectPtr<MEDCoupling1SGTUMesh> ret0(build1SGTUnstructured());
+ return ret0->buildUnstructured();
}
/*!
MEDCouplingMesh *MEDCouplingStructuredMesh::buildPartAndReduceNodes(const int *start, const int *end, DataArrayInt*& arr) const
{
- MEDCouplingUMesh *um=buildUnstructured();
- MEDCouplingMesh *ret=um->buildPartAndReduceNodes(start,end,arr);
- um->decrRef();
- return ret;
+ std::vector<int> cgs(getCellGridStructure());
+ std::vector< std::pair<int,int> > cellPartFormat,nodePartFormat;
+ if(IsPartStructured(start,end,cgs,cellPartFormat))
+ {
+ MEDCouplingAutoRefCountObjectPtr<MEDCouplingStructuredMesh> ret(buildStructuredSubPart(cellPartFormat));
+ nodePartFormat=cellPartFormat;
+ for(std::vector< std::pair<int,int> >::iterator it=nodePartFormat.begin();it!=nodePartFormat.end();it++)
+ (*it).second++;
+ MEDCouplingAutoRefCountObjectPtr<DataArrayInt> tmp1(BuildExplicitIdsFrom(getNodeGridStructure(),nodePartFormat));
+ MEDCouplingAutoRefCountObjectPtr<DataArrayInt> tmp2(DataArrayInt::New()); tmp2->alloc(getNumberOfNodes(),1);
+ tmp2->fillWithValue(-1);
+ MEDCouplingAutoRefCountObjectPtr<DataArrayInt> tmp3(DataArrayInt::New()); tmp3->alloc(tmp1->getNumberOfTuples(),1); tmp3->iota(0);
+ tmp2->setPartOfValues3(tmp3,tmp1->begin(),tmp1->end(),0,1,1);
+ arr=tmp2.retn();
+ return ret.retn();
+ }
+ else
+ {
+ MEDCouplingUMesh *um=buildUnstructured();
+ MEDCouplingMesh *ret=um->buildPartAndReduceNodes(start,end,arr);
+ um->decrRef();
+ return ret;
+ }
}
-DataArrayInt *MEDCouplingStructuredMesh::simplexize(int policy) throw(INTERP_KERNEL::Exception)
+DataArrayInt *MEDCouplingStructuredMesh::simplexize(int policy)
{
throw INTERP_KERNEL::Exception("MEDCouplingStructuredMesh::simplexize : not available for Cartesian mesh !");
}
return ret;
}
-void MEDCouplingStructuredMesh::fill1DUnstructuredMesh(MEDCouplingUMesh *m) const
+void MEDCouplingStructuredMesh::getReverseNodalConnectivity(DataArrayInt *revNodal, DataArrayInt *revNodalIndx) const
{
- int nbOfCells=-1;
- getNodeGridStructure(&nbOfCells);
- nbOfCells--;
- DataArrayInt *connI=DataArrayInt::New();
- connI->alloc(nbOfCells+1,1);
- int *ci=connI->getPointer();
- DataArrayInt *conn=DataArrayInt::New();
- conn->alloc(3*nbOfCells,1);
- ci[0]=0;
+ std::vector<int> ngs(getNodeGridStructure());
+ int dim(getSpaceDimension());
+ switch(dim)
+ {
+ case 1:
+ return GetReverseNodalConnectivity1(ngs,revNodal,revNodalIndx);
+ case 2:
+ return GetReverseNodalConnectivity2(ngs,revNodal,revNodalIndx);
+ case 3:
+ return GetReverseNodalConnectivity3(ngs,revNodal,revNodalIndx);
+ default:
+ throw INTERP_KERNEL::Exception("MEDCouplingStructuredMesh::getReverseNodalConnectivity : only dimensions 1, 2 and 3 are supported !");
+ }
+}
+
+void MEDCouplingStructuredMesh::GetReverseNodalConnectivity1(const std::vector<int>& ngs, DataArrayInt *revNodal, DataArrayInt *revNodalIndx)
+{
+ int nbNodes(ngs[0]);
+ revNodalIndx->alloc(nbNodes+1,1);
+ if(nbNodes==0)
+ { revNodal->alloc(0,1); revNodalIndx->setIJ(0,0,0); return ; }
+ if(nbNodes==1)
+ { revNodal->alloc(1,1); revNodal->setIJ(0,0,0); revNodalIndx->setIJ(0,0,0); revNodalIndx->setIJ(1,0,1); return ; }
+ revNodal->alloc(2*(nbNodes-1),1);
+ int *rn(revNodal->getPointer()),*rni(revNodalIndx->getPointer());
+ *rni++=0; *rni=1; *rn++=0;
+ for(int i=1;i<nbNodes-1;i++,rni++)
+ {
+ rn[0]=i-1; rn[1]=i;
+ rni[1]=rni[0]+2;
+ rn+=2;
+ }
+ rn[0]=nbNodes-2; rni[1]=rni[0]+1;
+}
+
+void MEDCouplingStructuredMesh::GetReverseNodalConnectivity2(const std::vector<int>& ngs, DataArrayInt *revNodal, DataArrayInt *revNodalIndx)
+{
+ int nbNodesX(ngs[0]),nbNodesY(ngs[1]);
+ int nbNodes(nbNodesX*nbNodesY);
+ if(nbNodesX==0 || nbNodesY==0)
+ { revNodal->alloc(0,1); revNodalIndx->setIJ(0,0,0); return ; }
+ if(nbNodesX==1 || nbNodesY==1)
+ { std::vector<int> ngs2(1); ngs2[0]=std::max(nbNodesX,nbNodesY); return GetReverseNodalConnectivity1(ngs2,revNodal,revNodalIndx); }
+ revNodalIndx->alloc(nbNodes+1,1);
+ int nbCellsX(nbNodesX-1),nbCellsY(nbNodesY-1);
+ revNodal->alloc(4*(nbNodesX-2)*(nbNodesY-2)+2*2*(nbNodesX-2)+2*2*(nbNodesY-2)+4,1);
+ int *rn(revNodal->getPointer()),*rni(revNodalIndx->getPointer());
+ *rni++=0; *rni=1; *rn++=0;
+ for(int i=1;i<nbNodesX-1;i++,rni++,rn+=2)
+ {
+ rn[0]=i-1; rn[1]=i;
+ rni[1]=rni[0]+2;
+ }
+ rni[1]=rni[0]+1; *rn++=nbCellsX-1;
+ rni++;
+ for(int j=1;j<nbNodesY-1;j++)
+ {
+ int off(nbCellsX*(j-1)),off2(nbCellsX*j);
+ rni[1]=rni[0]+2; rn[0]=off; rn[1]=off2;
+ rni++; rn+=2;
+ for(int i=1;i<nbNodesX-1;i++,rni++,rn+=4)
+ {
+ rn[0]=i-1+off; rn[1]=i+off; rn[2]=i-1+off2; rn[3]=i+off2;
+ rni[1]=rni[0]+4;
+ }
+ rni[1]=rni[0]+2; rn[0]=off+nbCellsX-1; rn[1]=off2+nbCellsX-1;
+ rni++; rn+=2;
+ }
+ int off3(nbCellsX*(nbCellsY-1));
+ rni[1]=rni[0]+1;
+ rni++; *rn++=off3;
+ for(int i=1;i<nbNodesX-1;i++,rni++,rn+=2)
+ {
+ rn[0]=i-1+off3; rn[1]=i+off3;
+ rni[1]=rni[0]+2;
+ }
+ rni[1]=rni[0]+1; rn[0]=nbCellsX*nbCellsY-1;
+}
+
+void MEDCouplingStructuredMesh::GetReverseNodalConnectivity3(const std::vector<int>& ngs, DataArrayInt *revNodal, DataArrayInt *revNodalIndx)
+{
+ int nbNodesX(ngs[0]),nbNodesY(ngs[1]),nbNodesZ(ngs[2]);
+ int nbNodes(nbNodesX*nbNodesY*nbNodesZ);
+ if(nbNodesX==0 || nbNodesY==0 || nbNodesZ==0)
+ { revNodal->alloc(0,1); revNodalIndx->setIJ(0,0,0); return ; }
+ if(nbNodesX==1 || nbNodesY==1 || nbNodesZ==1)
+ {
+ std::vector<int> ngs2(2);
+ int pos(0);
+ bool pass(false);
+ for(int i=0;i<3;i++)
+ {
+ if(pass)
+ { ngs2[pos++]=ngs[i]; }
+ else
+ {
+ pass=ngs[i]==1;
+ if(!pass)
+ { ngs2[pos++]=ngs[i]; }
+ }
+ }
+ return GetReverseNodalConnectivity2(ngs2,revNodal,revNodalIndx);
+ }
+ revNodalIndx->alloc(nbNodes+1,1);
+ int nbCellsX(nbNodesX-1),nbCellsY(nbNodesY-1),nbCellsZ(nbNodesZ-1);
+ 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);
+ int *rn(revNodal->getPointer()),*rni(revNodalIndx->getPointer());
+ *rni=0;
+ for(int k=0;k<nbNodesZ;k++)
+ {
+ bool factZ(k!=0 && k!=nbNodesZ-1);
+ int offZ0((k-1)*nbCellsX*nbCellsY),offZ1(k*nbCellsX*nbCellsY);
+ for(int j=0;j<nbNodesY;j++)
+ {
+ bool factYZ(factZ && (j!=0 && j!=nbNodesY-1));
+ int off00((j-1)*nbCellsX+offZ0),off01(j*nbCellsX+offZ0),off10((j-1)*nbCellsX+offZ1),off11(j*nbCellsX+offZ1);
+ for(int i=0;i<nbNodesX;i++,rni++)
+ {
+ int fact(factYZ && (i!=0 && i!=nbNodesX-1));
+ if(fact)
+ {//most of points fall in this part of code
+ rn[0]=off00+i-1; rn[1]=off00+i; rn[2]=off01+i-1; rn[3]=off01+i;
+ rn[4]=off10+i-1; rn[5]=off10+i; rn[6]=off11+i-1; rn[7]=off11+i;
+ rni[1]=rni[0]+8;
+ rn+=8;
+ }
+ else
+ {
+ int *rnRef(rn);
+ if(k>=1 && j>=1 && i>=1)
+ *rn++=off00+i-1;
+ if(k>=1 && j>=1 && i<nbCellsX)
+ *rn++=off00+i;
+ if(k>=1 && j<nbCellsY && i>=1)
+ *rn++=off01+i-1;
+ if(k>=1 && j<nbCellsY && i<nbCellsX)
+ *rn++=off01+i;
+ //
+ if(k<nbCellsZ && j>=1 && i>=1)
+ *rn++=off10+i-1;
+ if(k<nbCellsZ && j>=1 && i<nbCellsX)
+ *rn++=off10+i;
+ if(k<nbCellsZ && j<nbCellsY && i>=1)
+ *rn++=off11+i-1;
+ if(k<nbCellsZ && j<nbCellsY && i<nbCellsX)
+ *rn++=off11+i;
+ rni[1]=rni[0]+(int)(std::distance(rnRef,rn));
+ }
+ }
+ }
+ }
+}
+
+/*!
+ * \return DataArrayInt * - newly allocated instance of nodal connectivity compatible for MEDCoupling1SGTMesh instance
+ */
+DataArrayInt *MEDCouplingStructuredMesh::Build1GTNodalConnectivity(const int *nodeStBg, const int *nodeStEnd)
+{
+ int zippedNodeSt[3];
+ int dim(ZipNodeStructure(nodeStBg,nodeStEnd,zippedNodeSt));
+ switch(dim)
+ {
+ case 0:
+ {
+ MEDCouplingAutoRefCountObjectPtr<DataArrayInt> conn(DataArrayInt::New());
+ conn->alloc(1,1); conn->setIJ(0,0,0);
+ return conn.retn();
+ }
+ case 1:
+ return Build1GTNodalConnectivity1D(zippedNodeSt);
+ case 2:
+ return Build1GTNodalConnectivity2D(zippedNodeSt);
+ case 3:
+ return Build1GTNodalConnectivity3D(zippedNodeSt);
+ default:
+ throw INTERP_KERNEL::Exception("MEDCouplingStructuredMesh::Build1GTNodalConnectivity : only dimension in [0,1,2,3] supported !");
+ }
+}
+
+DataArrayInt *MEDCouplingStructuredMesh::Build1GTNodalConnectivityOfSubLevelMesh(const int *nodeStBg, const int *nodeStEnd)
+{
+ std::size_t dim(std::distance(nodeStBg,nodeStEnd));
+ switch(dim)
+ {
+ case 3:
+ return Build1GTNodalConnectivityOfSubLevelMesh3D(nodeStBg);
+ case 2:
+ return Build1GTNodalConnectivityOfSubLevelMesh2D(nodeStBg);
+ default:
+ throw INTERP_KERNEL::Exception("MEDCouplingStructuredMesh::Build1GTNodalConnectivityOfSubLevelMesh: only dimension in [2,3] supported !");
+ }
+}
+
+/*!
+ * This method retrieves the number of entities (it can be cells or nodes) given a range in compact standard format
+ * used in methods like BuildExplicitIdsFrom,IsPartStructured.
+ *
+ * \sa BuildExplicitIdsFrom,IsPartStructured
+ */
+int MEDCouplingStructuredMesh::DeduceNumberOfGivenRangeInCompactFrmt(const std::vector< std::pair<int,int> >& partCompactFormat)
+{
+ int ret(1);
+ bool isFetched(false);
+ std::size_t ii(0);
+ for(std::vector< std::pair<int,int> >::const_iterator it=partCompactFormat.begin();it!=partCompactFormat.end();it++,ii++)
+ {
+ int a((*it).first),b((*it).second);
+ if(a<0 || b<0 || b-a<0)
+ {
+ std::ostringstream oss; oss << "MEDCouplingStructuredMesh::DeduceNumberOfGivenRangeInCompactFrmt : invalid input at dimension " << ii << " !";
+ throw INTERP_KERNEL::Exception(oss.str().c_str());
+ }
+ if(b-a>0)
+ {
+ isFetched=true;
+ ret*=(b-a);
+ }
+ }
+ return isFetched?ret:0;
+}
+
+int MEDCouplingStructuredMesh::DeduceNumberOfGivenStructure(const std::vector<int>& st)
+{
+ int ret(1);
+ bool isFetched(false);
+ for(std::size_t i=0;i<st.size();i++)
+ {
+ if(st[i]<0)
+ throw INTERP_KERNEL::Exception("MEDCouplingStructuredMesh::DeduceNumberOfGivenStructure : presence of a negative value in structure !");
+ ret*=st[i];
+ isFetched=true;
+ }
+ return isFetched?ret:0;
+}
+
+DataArrayInt *MEDCouplingStructuredMesh::Build1GTNodalConnectivity1D(const int *nodeStBg)
+{
+ int nbOfCells(*nodeStBg-1);
+ MEDCouplingAutoRefCountObjectPtr<DataArrayInt> conn(DataArrayInt::New());
+ conn->alloc(2*nbOfCells,1);
int *cp=conn->getPointer();
for(int i=0;i<nbOfCells;i++)
{
- cp[3*i]=(int)INTERP_KERNEL::NORM_SEG2;
- cp[3*i+1]=i;
- cp[3*i+2]=i+1;
- ci[i+1]=3*(i+1);
+ cp[2*i+0]=i;
+ cp[2*i+1]=i+1;
}
- m->setConnectivity(conn,connI,true);
- conn->decrRef();
- connI->decrRef();
+ return conn.retn();
}
-void MEDCouplingStructuredMesh::fill2DUnstructuredMesh(MEDCouplingUMesh *m) const
+DataArrayInt *MEDCouplingStructuredMesh::Build1GTNodalConnectivity2D(const int *nodeStBg)
{
- int ns[2];
- getNodeGridStructure(ns);
- int n1=ns[0]-1;
- int n2=ns[1]-1;
- DataArrayInt *connI=DataArrayInt::New();
- connI->alloc(n1*n2+1,1);
- int *ci=connI->getPointer();
- DataArrayInt *conn=DataArrayInt::New();
- conn->alloc(5*n1*n2,1);
- ci[0]=0;
+ int n1=nodeStBg[0]-1;
+ int n2=nodeStBg[1]-1;
+ MEDCouplingAutoRefCountObjectPtr<DataArrayInt> conn(DataArrayInt::New());
+ conn->alloc(4*n1*n2,1);
int *cp=conn->getPointer();
int pos=0;
for(int j=0;j<n2;j++)
for(int i=0;i<n1;i++,pos++)
{
- cp[5*pos]=(int)INTERP_KERNEL::NORM_QUAD4;
- cp[5*pos+1]=i+1+j*(n1+1);
- cp[5*pos+2]=i+j*(n1+1);
- cp[5*pos+3]=i+(j+1)*(n1+1);
- cp[5*pos+4]=i+1+(j+1)*(n1+1);
- ci[pos+1]=5*(pos+1);
- }
- m->setConnectivity(conn,connI,true);
- conn->decrRef();
- connI->decrRef();
+ cp[4*pos+0]=i+1+j*(n1+1);
+ cp[4*pos+1]=i+j*(n1+1);
+ cp[4*pos+2]=i+(j+1)*(n1+1);
+ cp[4*pos+3]=i+1+(j+1)*(n1+1);
+ }
+ return conn.retn();
}
-void MEDCouplingStructuredMesh::fill3DUnstructuredMesh(MEDCouplingUMesh *m) const
+DataArrayInt *MEDCouplingStructuredMesh::Build1GTNodalConnectivity3D(const int *nodeStBg)
{
- int ns[3];
- getNodeGridStructure(ns);
- int n1=ns[0]-1;
- int n2=ns[1]-1;
- int n3=ns[2]-1;
- DataArrayInt *connI=DataArrayInt::New();
- connI->alloc(n1*n2*n3+1,1);
- int *ci=connI->getPointer();
- DataArrayInt *conn=DataArrayInt::New();
- conn->alloc(9*n1*n2*n3,1);
- ci[0]=0;
+ int n1=nodeStBg[0]-1;
+ int n2=nodeStBg[1]-1;
+ int n3=nodeStBg[2]-1;
+ MEDCouplingAutoRefCountObjectPtr<DataArrayInt> conn(DataArrayInt::New());
+ conn->alloc(8*n1*n2*n3,1);
int *cp=conn->getPointer();
int pos=0;
for(int k=0;k<n3;k++)
for(int j=0;j<n2;j++)
for(int i=0;i<n1;i++,pos++)
{
- cp[9*pos]=(int)INTERP_KERNEL::NORM_HEXA8;
int tmp=(n1+1)*(n2+1);
- cp[9*pos+1]=i+1+j*(n1+1)+k*tmp;
- cp[9*pos+2]=i+j*(n1+1)+k*tmp;
- cp[9*pos+3]=i+(j+1)*(n1+1)+k*tmp;
- cp[9*pos+4]=i+1+(j+1)*(n1+1)+k*tmp;
- cp[9*pos+5]=i+1+j*(n1+1)+(k+1)*tmp;
- cp[9*pos+6]=i+j*(n1+1)+(k+1)*tmp;
- cp[9*pos+7]=i+(j+1)*(n1+1)+(k+1)*tmp;
- cp[9*pos+8]=i+1+(j+1)*(n1+1)+(k+1)*tmp;
- ci[pos+1]=9*(pos+1);
+ cp[8*pos+0]=i+1+j*(n1+1)+k*tmp;
+ cp[8*pos+1]=i+j*(n1+1)+k*tmp;
+ cp[8*pos+2]=i+(j+1)*(n1+1)+k*tmp;
+ cp[8*pos+3]=i+1+(j+1)*(n1+1)+k*tmp;
+ cp[8*pos+4]=i+1+j*(n1+1)+(k+1)*tmp;
+ cp[8*pos+5]=i+j*(n1+1)+(k+1)*tmp;
+ cp[8*pos+6]=i+(j+1)*(n1+1)+(k+1)*tmp;
+ cp[8*pos+7]=i+1+(j+1)*(n1+1)+(k+1)*tmp;
}
- m->setConnectivity(conn,connI,true);
- conn->decrRef();
- connI->decrRef();
+ return conn.retn();
+}
+
+DataArrayInt *MEDCouplingStructuredMesh::Build1GTNodalConnectivityOfSubLevelMesh3D(const int *nodeStBg)
+{
+ std::vector<int> ngs(3);
+ int n0(nodeStBg[0]-1),n1(nodeStBg[1]-1),n2(nodeStBg[2]-1); ngs[0]=n0; ngs[1]=n1; ngs[2]=n2;
+ int off0(nodeStBg[0]),off1(nodeStBg[0]*nodeStBg[1]);
+ MEDCouplingAutoRefCountObjectPtr<DataArrayInt> conn(DataArrayInt::New());
+ conn->alloc(4*GetNumberOfCellsOfSubLevelMesh(ngs,3));
+ int *cp(conn->getPointer());
+ //X
+ for(int i=0;i<nodeStBg[0];i++)
+ for(int j=0;j<n1;j++)
+ for(int k=0;k<n2;k++,cp+=4)
+ { cp[0]=k*off1+j*off0+i; cp[1]=(k+1)*off1+j*off0+i; cp[2]=(k+1)*off1+(j+1)*off0+i; cp[3]=k*off1+(j+1)*off0+i; }
+ //Y
+ for(int j=0;j<nodeStBg[1];j++)
+ for(int i=0;i<n0;i++)
+ for(int k=0;k<n2;k++,cp+=4)
+ { cp[0]=k*off1+j*off0+i; cp[1]=(k+1)*off1+j*off0+i; cp[2]=(k+1)*off1+j*off0+(i+1); cp[3]=k*off1+j*off0+(i+1); }
+ //Z
+ for(int k=0;k<nodeStBg[2];k++)
+ for(int i=0;i<n0;i++)
+ for(int j=0;j<n1;j++,cp+=4)
+ { cp[0]=k*off1+j*off0+i; cp[1]=k*off1+j*off0+(i+1); cp[2]=k*off1+(j+1)*off0+(i+1); cp[3]=k*off1+(j+1)*off0+i; }
+ return conn.retn();
+}
+
+/*!
+ * This method computes given the nodal structure defined by [ \a nodeStBg , \a nodeStEnd ) the zipped form.
+ * std::distance( \a nodeStBg, \a nodeStEnd ) is equal to the space dimension. The returned value is equal to
+ * the meshDimension (or the zipped spaceDimension).
+ *
+ * \param [out] zipNodeSt - The zipped node strucutre
+ * \return int - the
+ */
+int MEDCouplingStructuredMesh::ZipNodeStructure(const int *nodeStBg, const int *nodeStEnd, int zipNodeSt[3])
+{
+ int spaceDim((int)std::distance(nodeStBg,nodeStEnd));
+ if(spaceDim>3 || spaceDim<1)
+ throw INTERP_KERNEL::Exception("MEDCouplingStructuredMesh::ZipNodeStructure : spaceDim must in [1,2,3] !");
+ zipNodeSt[0]=0; zipNodeSt[1]=0; zipNodeSt[2]=0;
+ int zippedI(0);
+ for(int i=0;i<spaceDim;i++)
+ {
+ int elt(nodeStBg[i]);
+ if(elt<1)
+ {
+ std::ostringstream oss; oss << "MEDCouplingStructuredMesh::ZipNodeStructure : the input nodal structure at pos#" << i << "(" << nodeStBg[i] << ") is invalid !";
+ throw INTERP_KERNEL::Exception(oss.str().c_str());
+ }
+ if(elt>=2)
+ zipNodeSt[zippedI++]=elt;
+ }
+ return zippedI;
+}
+
+DataArrayInt *MEDCouplingStructuredMesh::Build1GTNodalConnectivityOfSubLevelMesh2D(const int *nodeStBg)
+{
+ std::vector<int> ngs(2);
+ int n0(nodeStBg[0]-1),n1(nodeStBg[1]-1); ngs[0]=n0; ngs[1]=n1;
+ int off0(nodeStBg[0]);
+ MEDCouplingAutoRefCountObjectPtr<DataArrayInt> conn(DataArrayInt::New());
+ conn->alloc(2*GetNumberOfCellsOfSubLevelMesh(ngs,2));
+ int *cp(conn->getPointer());
+ //X
+ for(int i=0;i<nodeStBg[0];i++)
+ for(int j=0;j<n1;j++,cp+=2)
+ { cp[0]=j*off0+i; cp[1]=(j+1)*off0+i; }
+ //Y
+ for(int j=0;j<nodeStBg[1];j++)
+ for(int i=0;i<n0;i++,cp+=2)
+ { cp[0]=j*off0+i; cp[1]=j*off0+(i+1); }
+ return conn.retn();
}
/*!
{
int tmp[3]={i,j,k};
int tmp2[3];
- int meshDim=getMeshDimension();
+ int meshDim(getMeshDimension());
getSplitCellValues(tmp2);
std::transform(tmp,tmp+meshDim,tmp2,tmp,std::multiplies<int>());
return std::accumulate(tmp,tmp+meshDim,0);
{
int tmp[3]={i,j,k};
int tmp2[3];
- int meshDim=getMeshDimension();
+ int spaceDim(getSpaceDimension());
getSplitNodeValues(tmp2);
- std::transform(tmp,tmp+meshDim,tmp2,tmp,std::multiplies<int>());
- return std::accumulate(tmp,tmp+meshDim,0);
+ std::transform(tmp,tmp+spaceDim,tmp2,tmp,std::multiplies<int>());
+ return std::accumulate(tmp,tmp+spaceDim,0);
+}
+
+
+int MEDCouplingStructuredMesh::getNumberOfCells() const
+{
+ std::vector<int> ngs(getNodeGridStructure());
+ int ret(1);
+ bool isCatched(false);
+ std::size_t ii(0);
+ for(std::vector<int>::const_iterator it=ngs.begin();it!=ngs.end();it++,ii++)
+ {
+ int elt(*it);
+ if(elt<=0)
+ {
+ std::ostringstream oss; oss << "MEDCouplingStructuredMesh::getNumberOfCells : at pos #" << ii << " the number of nodes in nodeStructure is " << *it << " ! Must be > 0 !";
+ throw INTERP_KERNEL::Exception(oss.str().c_str());
+ }
+ if(elt>1)
+ {
+ ret*=elt-1;
+ isCatched=true;
+ }
+ }
+ return isCatched?ret:0;
+}
+
+int MEDCouplingStructuredMesh::getNumberOfNodes() const
+{
+ std::vector<int> ngs(getNodeGridStructure());
+ int ret(1);
+ for(std::vector<int>::const_iterator it=ngs.begin();it!=ngs.end();it++)
+ ret*=*it;
+ return ret;
}
void MEDCouplingStructuredMesh::GetPosFromId(int nodeId, int meshDim, const int *split, int *res)
res[i]=pos;
}
}
+
+std::vector<int> MEDCouplingStructuredMesh::getCellGridStructure() const
+{
+ std::vector<int> ret(getNodeGridStructure());
+ std::transform(ret.begin(),ret.end(),ret.begin(),std::bind2nd(std::plus<int>(),-1));
+ return ret;
+}
+
+/*!
+ * Given a struct \a strct it returns a split vector [1,strct[0],strct[0]*strct[1]...]
+ * This decomposition allows to quickly find i,j,k given a global id.
+ */
+std::vector<int> MEDCouplingStructuredMesh::GetSplitVectFromStruct(const std::vector<int>& strct)
+{
+ int spaceDim((int)strct.size());
+ std::vector<int> res(spaceDim);
+ for(int l=0;l<spaceDim;l++)
+ {
+ int val=1;
+ for(int p=0;p<spaceDim-l-1;p++)
+ val*=strct[p];
+ res[spaceDim-l-1]=val;
+ }
+ return res;
+}
+
+/*!
+ * 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.
+ * If true is returned \a partCompactFormat will contain the information to build the corresponding part.
+ *
+ * \sa MEDCouplingStructuredMesh::BuildExplicitIdsFrom, MEDCouplingStructuredMesh::DeduceNumberOfGivenRangeInCompactFrmt
+ */
+bool MEDCouplingStructuredMesh::IsPartStructured(const int *startIds, const int *stopIds, const std::vector<int>& st, std::vector< std::pair<int,int> >& partCompactFormat)
+{
+ int dim((int)st.size());
+ partCompactFormat.resize(dim);
+ if(dim<1 || dim>3)
+ throw INTERP_KERNEL::Exception("MEDCouplingStructuredMesh::isPartStructured : input structure must be of dimension in [1,2,3] !");
+ std::vector<int> tmp2(dim),tmp(dim),tmp3(dim),tmp4(dim); tmp2[0]=1;
+ for(int i=1;i<dim;i++)
+ tmp2[i]=tmp2[i-1]*st[i-1];
+ std::size_t sz(std::distance(startIds,stopIds));
+ if(sz==0)
+ throw INTERP_KERNEL::Exception("MEDCouplingStructuredMesh::IsPartStructured : empty input !");
+ GetPosFromId(*startIds,dim,&tmp2[0],&tmp[0]);
+ partCompactFormat.resize(dim);
+ for(int i=0;i<dim;i++)
+ partCompactFormat[i].first=tmp[i];
+ if(tmp[dim-1]<0 || tmp[dim-1]>=st[dim-1])
+ throw INTERP_KERNEL::Exception("MEDCouplingStructuredMesh::IsPartStructured : first id in input is not in valid range !");
+ if(sz==1)
+ {
+ for(int i=0;i<dim;i++)
+ partCompactFormat[i].second=tmp[i]+1;
+ return true;
+ }
+ GetPosFromId(startIds[sz-1],dim,&tmp2[0],&tmp3[0]);
+ int szExp(1);
+ for(int i=0;i<dim;i++)
+ {
+ if(tmp3[i]<0 || tmp3[i]>=st[i])
+ throw INTERP_KERNEL::Exception("MEDCouplingStructuredMesh::IsPartStructured : last id in input is not in valid range !");
+ partCompactFormat[i].second=tmp3[i]+1;
+ tmp4[i]=partCompactFormat[i].second-partCompactFormat[i].first;
+ if(tmp4[i]<=0)
+ return false;
+ szExp*=tmp4[i];
+ }
+ if(szExp!=(int)sz)
+ return false;
+ const int *w(startIds);
+ switch(dim)
+ {
+ case 3:
+ {
+ for(int i=0;i<tmp4[2];i++)
+ {
+ int a=tmp2[2]*(partCompactFormat[2].first+i);
+ for(int j=0;j<tmp4[1];j++)
+ {
+ int b=tmp2[1]*(partCompactFormat[1].first+j);
+ for(int k=0;k<tmp4[0];k++,w++)
+ {
+ if(partCompactFormat[0].first+k+b+a!=*w)
+ return false;
+ }
+ }
+ }
+ return true;
+ }
+ case 2:
+ {
+ for(int j=0;j<tmp4[1];j++)
+ {
+ int b=tmp2[1]*(partCompactFormat[1].first+j);
+ for(int k=0;k<tmp4[0];k++,w++)
+ {
+ if(partCompactFormat[0].first+k+b!=*w)
+ return false;
+ }
+ }
+ return true;
+ }
+ case 1:
+ {
+ for(int k=0;k<tmp4[0];k++,w++)
+ {
+ if(partCompactFormat[0].first+k!=*w)
+ return false;
+ }
+ return true;
+ }
+ default:
+ throw INTERP_KERNEL::Exception("MEDCouplingStructuredMesh::IsPartStructured : internal error !");
+ }
+}
+
+std::vector<int> MEDCouplingStructuredMesh::GetDimensionsFromCompactFrmt(const std::vector< std::pair<int,int> >& partCompactFormat)
+{
+ std::vector<int> ret(partCompactFormat.size());
+ for(std::size_t i=0;i<partCompactFormat.size();i++)
+ ret[i]=partCompactFormat[i].second-partCompactFormat[i].first;
+ return ret;
+}
+
+/*!
+ * This method is close to BuildExplicitIdsFrom except that instead of returning a DataArrayInt instance containing explicit ids it
+ * enable elems in the vector of booleans (for performance reasons). As it is method for performance, this method is \b not
+ * available in python.
+ *
+ * \param [in] st The entity structure.
+ * \param [in] partCompactFormat The compact subpart to be enabled.
+ * \param [in,out] vectToSwitchOn Vector which fetched items are enabled.
+ *
+ * \sa MEDCouplingStructuredMesh::BuildExplicitIdsFrom
+ */
+void MEDCouplingStructuredMesh::SwitchOnIdsFrom(const std::vector<int>& st, const std::vector< std::pair<int,int> >& partCompactFormat, std::vector<bool>& vectToSwitchOn)
+{
+ if(st.size()!=partCompactFormat.size())
+ throw INTERP_KERNEL::Exception("MEDCouplingStructuredMesh::SwitchOnIdsFrom : input arrays must have the same size !");
+ if((int)vectToSwitchOn.size()!=DeduceNumberOfGivenStructure(st))
+ throw INTERP_KERNEL::Exception("MEDCouplingStructuredMesh::SwitchOnIdsFrom : invalid size of input vector of boolean regarding the structure !");
+ std::vector<int> dims(GetDimensionsFromCompactFrmt(partCompactFormat));
+ switch(st.size())
+ {
+ case 3:
+ {
+ for(int i=0;i<dims[2];i++)
+ {
+ int a=(partCompactFormat[2].first+i)*st[0]*st[1];
+ for(int j=0;j<dims[1];j++)
+ {
+ int b=(partCompactFormat[1].first+j)*st[0];
+ for(int k=0;k<dims[0];k++)
+ vectToSwitchOn[partCompactFormat[0].first+k+b+a]=true;
+ }
+ }
+ break;
+ }
+ case 2:
+ {
+ for(int j=0;j<dims[1];j++)
+ {
+ int b=(partCompactFormat[1].first+j)*st[0];
+ for(int k=0;k<dims[0];k++)
+ vectToSwitchOn[partCompactFormat[0].first+k+b]=true;
+ }
+ break;
+ }
+ case 1:
+ {
+ for(int k=0;k<dims[0];k++)
+ vectToSwitchOn[partCompactFormat[0].first+k]=true;
+ break;
+ }
+ default:
+ throw INTERP_KERNEL::Exception("MEDCouplingStructuredMesh::BuildExplicitIdsFrom : Dimension supported are 1,2 or 3 !");
+ }
+}
+
+/*!
+ * This method builds the explicit entity array from the structure in \a st and the range in \a partCompactFormat.
+ * If the range contains invalid values regarding sructure an exception will be thrown.
+ *
+ * \return DataArrayInt * - a new object.
+ * \sa MEDCouplingStructuredMesh::IsPartStructured, MEDCouplingStructuredMesh::DeduceNumberOfGivenRangeInCompactFrmt, SwitchOnIdsFrom
+ */
+DataArrayInt *MEDCouplingStructuredMesh::BuildExplicitIdsFrom(const std::vector<int>& st, const std::vector< std::pair<int,int> >& partCompactFormat)
+{
+ if(st.size()!=partCompactFormat.size())
+ throw INTERP_KERNEL::Exception("MEDCouplingStructuredMesh::BuildExplicitIdsFrom : input arrays must have the same size !");
+ int nbOfItems(1);
+ std::vector<int> dims(st.size());
+ for(std::size_t i=0;i<st.size();i++)
+ {
+ if(partCompactFormat[i].first<0 || partCompactFormat[i].first>st[i])
+ throw INTERP_KERNEL::Exception("MEDCouplingStructuredMesh::BuildExplicitIdsFrom : invalid input range 1 !");
+ if(partCompactFormat[i].second<0 || partCompactFormat[i].second>st[i])
+ throw INTERP_KERNEL::Exception("MEDCouplingStructuredMesh::BuildExplicitIdsFrom : invalid input range 2 !");
+ if(partCompactFormat[i].second<=partCompactFormat[i].first)
+ throw INTERP_KERNEL::Exception("MEDCouplingStructuredMesh::BuildExplicitIdsFrom : invalid input range 3 !");
+ dims[i]=partCompactFormat[i].second-partCompactFormat[i].first;
+ nbOfItems*=dims[i];
+ }
+ MEDCouplingAutoRefCountObjectPtr<DataArrayInt> ret(DataArrayInt::New());
+ ret->alloc(nbOfItems,1);
+ int *pt(ret->getPointer());
+ switch(st.size())
+ {
+ case 3:
+ {
+ for(int i=0;i<dims[2];i++)
+ {
+ int a=(partCompactFormat[2].first+i)*st[0]*st[1];
+ for(int j=0;j<dims[1];j++)
+ {
+ int b=(partCompactFormat[1].first+j)*st[0];
+ for(int k=0;k<dims[0];k++,pt++)
+ *pt=partCompactFormat[0].first+k+b+a;
+ }
+ }
+ break;
+ }
+ case 2:
+ {
+ for(int j=0;j<dims[1];j++)
+ {
+ int b=(partCompactFormat[1].first+j)*st[0];
+ for(int k=0;k<dims[0];k++,pt++)
+ *pt=partCompactFormat[0].first+k+b;
+ }
+ break;
+ }
+ case 1:
+ {
+ for(int k=0;k<dims[0];k++,pt++)
+ *pt=partCompactFormat[0].first+k;
+ break;
+ }
+ default:
+ throw INTERP_KERNEL::Exception("MEDCouplingStructuredMesh::BuildExplicitIdsFrom : Dimension supported are 1,2 or 3 !");
+ }
+ return ret.retn();
+}
+
+int MEDCouplingStructuredMesh::GetNumberOfCellsOfSubLevelMesh(const std::vector<int>& cgs, int mdim)
+{
+ int ret(0);
+ for(int i=0;i<mdim;i++)
+ {
+ int locRet(1);
+ for(int j=0;j<mdim;j++)
+ if(j!=i)
+ locRet*=cgs[j];
+ else
+ locRet*=cgs[j]+1;
+ ret+=locRet;
+ }
+ return ret;
+}