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fix SIGSEGV in SewSideElements() on quadratic volumes, also check there that input nodes belong to input side elements

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This commit is contained in:
eap 2006-05-03 15:09:28 +00:00
parent 69ddeca946
commit d3ac2560d2
1 changed files with 30 additions and 33 deletions
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63
src/SMESH/SMESH_MeshEditor.cxx
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@ -4784,6 +4784,7 @@ const SMDS_MeshElement*
const SMDS_QuadraticFaceOfNodes* F =
static_cast<const SMDS_QuadraticFaceOfNodes*>(elem);
// use special nodes iterator
iNode = 0;
SMDS_NodeIteratorPtr anIter = F->interlacedNodesIterator();
while ( anIter->more() ) {
faceNodes[iNode] = static_cast<const SMDS_MeshNode*>(anIter->next());
@ -6094,11 +6095,26 @@ SMESH_MeshEditor::Sew_Error
set<const SMDS_MeshElement*>::iterator vIt, eIt;
set<const SMDS_MeshNode*>::iterator nIt;
// -----------------------------------------------------------
// 1a. Collect nodes of existing faces
// and build set of face nodes in order to detect missing
// faces corresponing to sides of volumes
// -----------------------------------------------------------
// check that given nodes belong to given elements
const SMDS_MeshNode* n1 = ( iSide == 0 ) ? theFirstNode1 : theFirstNode2;
const SMDS_MeshNode* n2 = ( iSide == 0 ) ? theSecondNode1 : theSecondNode2;
int firstIndex = -1, secondIndex = -1;
for (eIt = elemSet->begin(); eIt != elemSet->end(); eIt++ ) {
const SMDS_MeshElement* elem = *eIt;
if ( firstIndex < 0 ) firstIndex = elem->GetNodeIndex( n1 );
if ( secondIndex < 0 ) secondIndex = elem->GetNodeIndex( n2 );
if ( firstIndex > -1 && secondIndex > -1 ) break;
}
if ( firstIndex < 0 || secondIndex < 0 ) {
// we can simply return until temporary faces created
return (iSide == 0 ) ? SEW_BAD_SIDE1_NODES : SEW_BAD_SIDE2_NODES;
}
// -----------------------------------------------------------
// 1a. Collect nodes of existing faces
// and build set of face nodes in order to detect missing
// faces corresponing to sides of volumes
// -----------------------------------------------------------
set< set <const SMDS_MeshNode*> > setOfFaceNodeSet;
@ -6108,24 +6124,11 @@ SMESH_MeshEditor::Sew_Error
if ( elem->GetType() == SMDSAbs_Face ) {
faceSet->insert( elem );
set <const SMDS_MeshNode*> faceNodeSet;
if(elem->IsQuadratic()) {
const SMDS_QuadraticFaceOfNodes* F =
static_cast<const SMDS_QuadraticFaceOfNodes*>(elem);
// use special nodes iterator
SMDS_NodeIteratorPtr anIter = F->interlacedNodesIterator();
while( anIter->more() ) {
const SMDS_MeshNode* n = anIter->next();
nodeSet->insert( n );
faceNodeSet.insert( n );
}
}
else {
SMDS_ElemIteratorPtr nodeIt = elem->nodesIterator();
while ( nodeIt->more() ) {
const SMDS_MeshNode* n = static_cast<const SMDS_MeshNode*>( nodeIt->next() );
nodeSet->insert( n );
faceNodeSet.insert( n );
}
SMDS_ElemIteratorPtr nodeIt = elem->nodesIterator();
while ( nodeIt->more() ) {
const SMDS_MeshNode* n = static_cast<const SMDS_MeshNode*>( nodeIt->next() );
nodeSet->insert( n );
faceNodeSet.insert( n );
}
setOfFaceNodeSet.insert( faceNodeSet );
}
@ -6194,10 +6197,7 @@ SMESH_MeshEditor::Sew_Error
aFreeFace = aMesh->FindFace( fNodes[0],fNodes[1],fNodes[2],fNodes[3] );
}
else {
vector<const SMDS_MeshNode *> poly_nodes (nbNodes);
for (int inode = 0; inode < nbNodes; inode++) {
poly_nodes[inode] = fNodes[inode];
}
vector<const SMDS_MeshNode *> poly_nodes ( fNodes, & fNodes[nbNodes]);
aFreeFace = aMesh->FindFace(poly_nodes);
}
}
@ -6210,10 +6210,7 @@ SMESH_MeshEditor::Sew_Error
aFreeFace = aTmpFacesMesh.AddFace( fNodes[0],fNodes[1],fNodes[2],fNodes[3] );
}
else {
vector<const SMDS_MeshNode *> poly_nodes (nbNodes);
for (int inode = 0; inode < nbNodes; inode++) {
poly_nodes[inode] = fNodes[inode];
}
vector<const SMDS_MeshNode *> poly_nodes ( fNodes, & fNodes[nbNodes]);
aFreeFace = aTmpFacesMesh.AddPolygonalFace(poly_nodes);
}
}
@ -6609,7 +6606,7 @@ SMESH_MeshEditor::Sew_Error
const SMDS_MeshElement* e = invElemIt->next();
// get a new suite of nodes: make replacement
int nbReplaced = 0, i = 0, nbNodes = e->NbNodes();
const SMDS_MeshNode* nodes[ 8 ];
vector< const SMDS_MeshNode*> nodes( nbNodes );
SMDS_ElemIteratorPtr nIt = e->nodesIterator();
while ( nIt->more() ) {
const SMDS_MeshNode* n =
@ -6625,7 +6622,7 @@ SMESH_MeshEditor::Sew_Error
// elemIDsToRemove.push_back( e->GetID() );
// else
if ( nbReplaced )
aMesh->ChangeElementNodes( e, nodes, nbNodes );
aMesh->ChangeElementNodes( e, & nodes[0], nbNodes );
}
}