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PAL16834 (smesh Prism don't work with NETGEN_2D algorithm)

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fix FindMatchingNodesOnFaces() for a sphere meshed by NETGEN_2D_ONLY
This commit is contained in:
eap 2007-09-04 08:20:27 +00:00
parent 7f32c96d19
commit c7d7f3a3f0
1 changed files with 15 additions and 3 deletions
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18
src/StdMeshers/StdMeshers_ProjectionUtils.cxx
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@ -923,7 +923,16 @@ FindMatchingNodesOnFaces( const TopoDS_Face& face1,
// check that there are nodes on edges // check that there are nodes on edges
SMESHDS_SubMesh * eSM1 = meshDS1->MeshElements( e1 ); SMESHDS_SubMesh * eSM1 = meshDS1->MeshElements( e1 );
SMESHDS_SubMesh * eSM2 = meshDS2->MeshElements( e2 ); SMESHDS_SubMesh * eSM2 = meshDS2->MeshElements( e2 );
if ( eSM1 && eSM2 && eSM1->NbNodes() > 0 && eSM2->NbNodes() > 0 ) bool nodesOnEdges = ( eSM1 && eSM2 && eSM1->NbNodes() && eSM2->NbNodes() );
// check that the nodes on edges belong to faces
bool nodesOfFaces = false;
if ( nodesOnEdges ) {
const SMDS_MeshNode* n1 = eSM1->GetNodes()->next();
const SMDS_MeshNode* n2 = eSM2->GetNodes()->next();
nodesOfFaces = ( n1->GetInverseElementIterator(SMDSAbs_Face)->more() &&
n2->GetInverseElementIterator(SMDSAbs_Face)->more() );
}
if ( nodesOfFaces )
{ {
if ( BRep_Tool::IsClosed( e2, face2 )) { if ( BRep_Tool::IsClosed( e2, face2 )) {
seam1 = e1; seam2 = e2; seam1 = e1; seam2 = e2;
@ -1003,7 +1012,7 @@ FindMatchingNodesOnFaces( const TopoDS_Face& face1,
} }
else else
{ {
// there is only seam edge in a face, i.e. it is a sphere. // the only suitable edge is seam, i.e. it is a sphere.
// FindMatchingNodes() will not know which way to go from any edge. // FindMatchingNodes() will not know which way to go from any edge.
// So we ignore all faces having nodes on edges or vertices except // So we ignore all faces having nodes on edges or vertices except
// one of faces sharing current start nodes // one of faces sharing current start nodes
@ -1077,7 +1086,10 @@ FindMatchingNodesOnFaces( const TopoDS_Face& face1,
node1To2Map); node1To2Map);
if ( res != SMESH_MeshEditor::SEW_OK ) if ( res != SMESH_MeshEditor::SEW_OK )
RETURN_BAD_RESULT("FindMatchingNodes() result " << res ); RETURN_BAD_RESULT("FindMatchingNodes() result " << res );
if ( node1To2Map.size() < SM1->NbNodes() )
RETURN_BAD_RESULT("FindMatchingNodes() failed starting from nodes ("
<< vNode1->GetID() << " - " << eNode1[0]->GetID() << ") ("
<< vNode2->GetID() << " - " << eNode2[0]->GetID() << ")");
// On a sphere, add matching nodes on the edge // On a sphere, add matching nodes on the edge