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PR: fix QuadToTriaAdaptor

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This commit is contained in:
prascle 2010-12-21 04:50:51 +00:00
parent a541693f06
commit 259cd96526
5 changed files with 35 additions and 31 deletions
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9
src/SMDS/SMDS_MeshNode.cxx
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@ -309,9 +309,12 @@ vtkIdType SMDS_MeshNode::GetVtkType() const
//=======================================================================
void SMDS_MeshNode::AddInverseElement(const SMDS_MeshElement* ME)
{
const SMDS_MeshCell *cell = dynamic_cast<const SMDS_MeshCell*>(ME);
assert(cell);
SMDS_Mesh::_meshList[myMeshId]->getGrid()->AddReferenceToCell(myVtkID, cell->getVtkId());
const SMDS_MeshCell *cell = dynamic_cast<const SMDS_MeshCell*> (ME);
assert(cell);
SMDS_UnstructuredGrid* grid = SMDS_Mesh::_meshList[myMeshId]->getGrid();
vtkCellLinks *Links = grid->GetCellLinks();
Links->ResizeCellList(myVtkID, 1);
Links->AddCellReference(cell->getVtkId(), myVtkID);
}
//=======================================================================

1
src/SMDS/SMDS_MeshNode.hxx
View File

@ -40,6 +40,7 @@ public:
friend class SMESHDS_Mesh;
friend class SMDS_Mesh;
friend class ObjectPool<SMDS_MeshNode>;
friend class SMDS_VtkFace;
void Print(std::ostream & OS) const;
double X() const;

4
src/SMDS/SMDS_VtkFace.cxx
View File

@ -249,7 +249,7 @@ SMDS_ElemIteratorPtr SMDS_VtkFace::interlacedNodesElemIterator() const
}
//! change only the first node, used for temporary triangles in quadrangle to triangle adaptor
void SMDS_VtkFace::ChangeApex(const SMDS_MeshNode* node)
void SMDS_VtkFace::ChangeApex(SMDS_MeshNode* node)
{
vtkUnstructuredGrid* grid = SMDS_Mesh::_meshList[myMeshId]->getGrid();
vtkIdType npts = 0;
@ -257,6 +257,6 @@ void SMDS_VtkFace::ChangeApex(const SMDS_MeshNode* node)
grid->GetCellPoints(myVtkID, npts, pts);
grid->RemoveReferenceToCell(pts[0], myVtkID);
pts[0] = node->getVtkId();
grid->AddReferenceToCell(pts[0], myVtkID);
node->AddInverseElement(this),
SMDS_Mesh::_meshList[myMeshId]->setMyModified();
}

2
src/SMDS/SMDS_VtkFace.hxx
View File

@ -16,7 +16,7 @@ public:
void init(std::vector<vtkIdType> nodeIds, SMDS_Mesh* mesh);
void initPoly(std::vector<vtkIdType> nodeIds, SMDS_Mesh* mesh);
bool ChangeNodes(const SMDS_MeshNode* nodes[], const int nbNodes);
void ChangeApex(const SMDS_MeshNode* node); // to use only for tmp triangles
void ChangeApex(SMDS_MeshNode* node); // to use only for tmp triangles
void Print(std::ostream & OS) const;
int NbEdges() const;
int NbFaces() const;

50
src/StdMeshers/StdMeshers_QuadToTriaAdaptor.cxx
View File

@ -82,10 +82,10 @@ namespace
SMESH_MeshEditor::TNodeXYZ Pj( Nrem );
// an apex node to make common to all merged pyramids
if (PrmI->GetVtkType() != VTK_PYRAMID) throw SALOME_Exception(LOCALIZED("not a pyramid"));
SMDS_MeshNode* CommonNode = const_cast<SMDS_MeshNode*>(PrmI->GetNode(4));
if ( CommonNode == Nrem ) return; // already merged
int nbI = CommonNode->NbInverseElements( SMDSAbs_Volume );
//cerr << __LINE__ << " " << nbI << " " << nbJ << endl;
SMESH_MeshEditor::TNodeXYZ Pi( CommonNode );
gp_XYZ Pnew = ( nbI*Pi + nbJ*Pj ) / (nbI+nbJ);
CommonNode->setXYZ( Pnew.X(), Pnew.Y(), Pnew.Z() );
@ -116,7 +116,6 @@ namespace
}
// set the common apex node to pyramids and triangles merged with J
//cerr << __LINE__ << " NbInverseElements " << Nrem->NbInverseElements() << endl;
SMDS_ElemIteratorPtr itJ = Nrem->GetInverseElementIterator();
while ( itJ->more() )
{
@ -124,22 +123,15 @@ namespace
if ( elem->GetType() == SMDSAbs_Volume ) // pyramid
{
vector< const SMDS_MeshNode* > nodes( elem->begin_nodes(), elem->end_nodes() );
//cerr << __LINE__ << " volId " << elem->GetID() << " nbNodes " << nodes.size() << endl;
nodes[4] = CommonNode;
MESSAGE("ChangeElementNodes");
meshDS->ChangeElementNodes( elem, &nodes[0], nodes.size());
}
else if ( tempTrias.count(elem) ) // tmp triangles
{
//cerr << __LINE__ << " triaId " << elem->GetID() << endl;
((SMDS_VtkFace*) elem )->ChangeApex( CommonNode );
}
// else
// {
// cerr << __LINE__ << " other " << elem->GetVtkType() << endl;
// }
}
//cerr << __LINE__ << " NbInverseElements " << Nrem->NbInverseElements() << endl;
ASSERT( Nrem->NbInverseElements() == 0 );
meshDS->RemoveFreeNode( Nrem,
meshDS->MeshElements( Nrem->getshapeId()),
@ -157,6 +149,8 @@ namespace
const SMDS_MeshElement* PrmJ,
const bool hasShape)
{
if (PrmI->GetVtkType() != VTK_PYRAMID) throw SALOME_Exception(LOCALIZED("not a pyramid"));
if (PrmJ->GetVtkType() != VTK_PYRAMID) throw SALOME_Exception(LOCALIZED("not a pyramid"));
const SMDS_MeshNode* nApexI = PrmI->GetNode(4);
const SMDS_MeshNode* nApexJ = PrmJ->GetNode(4);
if ( nApexI == nApexJ ||
@ -264,6 +258,7 @@ namespace
TRemTrias & tempTrias,
set<const SMDS_MeshNode*>& nodesToMove)
{
if (PrmI->GetVtkType() != VTK_PYRAMID) throw SALOME_Exception(LOCALIZED("not a pyramid"));
TIDSortedElemSet adjacentPyrams, mergedPyrams;
for(int k=0; k<4; k++) // loop on 4 base nodes of PrmI
{
@ -302,6 +297,8 @@ namespace
StdMeshers_QuadToTriaAdaptor::StdMeshers_QuadToTriaAdaptor():
myElemSearcher(0), myNbTriangles(0)
{
myResMap.clear();
myTempTriangles.clear();
}
//================================================================================
@ -1003,6 +1000,7 @@ bool StdMeshers_QuadToTriaAdaptor::Compute2ndPart(SMESH_Mesh& aMesh)
return true;
SMESHDS_Mesh * meshDS = aMesh.GetMeshDS();
if (myPyramids[0]->GetVtkType() != VTK_PYRAMID) throw SALOME_Exception(LOCALIZED("not a pyramid"));
int i, j, k, myShapeID = myPyramids[0]->GetNode(4)->getshapeId();
if ( !myElemSearcher )
@ -1016,6 +1014,7 @@ bool StdMeshers_QuadToTriaAdaptor::Compute2ndPart(SMESH_Mesh& aMesh)
for ( i = 0; i < myPyramids.size(); ++i )
{
const SMDS_MeshElement* PrmI = myPyramids[i];
if (PrmI->GetVtkType() != VTK_PYRAMID) throw SALOME_Exception(LOCALIZED("not a pyramid"));
MergeAdjacent( PrmI, aMesh, myTempTriangles, nodesToMove );
}
@ -1023,6 +1022,7 @@ bool StdMeshers_QuadToTriaAdaptor::Compute2ndPart(SMESH_Mesh& aMesh)
for ( i = 0; i < myPyramids.size(); ++i )
{
const SMDS_MeshElement* PrmI = myPyramids[i];
if (PrmI->GetVtkType() != VTK_PYRAMID) throw SALOME_Exception(LOCALIZED("not a pyramid"));
// compare PrmI with all the rest pyramids
@ -1051,6 +1051,7 @@ bool StdMeshers_QuadToTriaAdaptor::Compute2ndPart(SMESH_Mesh& aMesh)
for ( j = 0; j < suspectPyrams.size(); ++j )
{
const SMDS_MeshElement* PrmJ = suspectPyrams[j];
//if (PrmJ->GetVtkType() != VTK_PYRAMID) throw SALOME_Exception(LOCALIZED("not a pyramid"));
if ( PrmJ == PrmI || PrmJ->NbCornerNodes() != 5 )
continue;
if ( myShapeID != PrmJ->GetNode(4)->getshapeId())
@ -1135,12 +1136,12 @@ bool StdMeshers_QuadToTriaAdaptor::Compute2ndPart(SMESH_Mesh& aMesh)
} // loop on all pyramids
if( !nodesToMove.empty() && !meshDS->IsEmbeddedMode() )
{
set<const SMDS_MeshNode*>::iterator n = nodesToMove.begin();
for ( ; n != nodesToMove.end(); ++n )
meshDS->MoveNode( *n, (*n)->X(), (*n)->Y(), (*n)->Z() );
}
// if( !nodesToMove.empty() && !meshDS->IsEmbeddedMode() )
// {
// set<const SMDS_MeshNode*>::iterator n = nodesToMove.begin();
// for ( ; n != nodesToMove.end(); ++n )
// meshDS->MoveNode( *n, (*n)->X(), (*n)->Y(), (*n)->Z() );
// }
// rebind triangles of pyramids sharing the same base quadrangle to the first
// entrance of the base quadrangle
@ -1148,31 +1149,30 @@ bool StdMeshers_QuadToTriaAdaptor::Compute2ndPart(SMESH_Mesh& aMesh)
for ( ++q2t; q2t != myResMap.end(); ++q2t, ++q2tPrev )
{
if ( q2t->first == q2tPrev->first )
{
//cerr << __LINE__ << " splice" << endl;
q2tPrev->second.splice( q2tPrev->second.end(), q2t->second );
}
q2tPrev->second.splice( q2tPrev->second.end(), q2t->second );
}
// delete removed triangles and count resulting nb of triangles
for (q2t = myResMap.begin(); q2t != myResMap.end(); ++q2t)
{
TTriaList & trias = q2t->second;
vector<const SMDS_MeshFace*> faceToErase;
set<const SMDS_MeshFace*> faceToErase;
faceToErase.clear();
//cerr << __LINE__ << " " << trias.size() << endl;
for (TTriaList::iterator tri = trias.begin(); tri != trias.end(); ++tri)
{
//cerr << " " << __LINE__ << endl;
const SMDS_MeshFace* face = *tri;
if (myTempTriangles.count(face) && (myTempTriangles[face] == false))
faceToErase.push_back(face);
faceToErase.insert(face);
else
myNbTriangles++;
}
for (vector<const SMDS_MeshFace*>::iterator it = faceToErase.begin(); it != faceToErase.end(); ++it)
for (set<const SMDS_MeshFace*>::iterator it = faceToErase.begin(); it != faceToErase.end(); ++it)
{
const SMDS_MeshFace *face = dynamic_cast<const SMDS_MeshFace*>(*it);
if (face) trias.remove(face);
if (face)
{
trias.remove(face);
myTempTriangles.erase(face);
}
meshDS->RemoveFreeElement(face, 0, false);
}
}