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0020279: [CEA 334] control the "random" use when using mesh algorithms

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In SetEventListener(), avoid meshing of internal vertices of
   complex edge
This commit is contained in:
eap 2009-05-19 15:33:12 +00:00
parent ec51778b0c
commit 966f6ecf06
1 changed files with 29 additions and 0 deletions
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29
src/StdMeshers/StdMeshers_CompositeSegment_1D.cxx
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@ -251,6 +251,35 @@ StdMeshers_CompositeSegment_1D::~StdMeshers_CompositeSegment_1D()
void StdMeshers_CompositeSegment_1D::SetEventListener(SMESH_subMesh* subMesh)
{
// issue 0020279. Set "_alwaysComputed" flag to the submeshes of internal
// vertices of composite edge in order to avoid creation of vertices on
// them for the sake of stability.
// check if "_alwaysComputed" is not yet set
bool isAlwaysComputed = false;
SMESH_subMeshIteratorPtr smIt = subMesh->getDependsOnIterator(false,false);
while ( !isAlwaysComputed && smIt->more() )
isAlwaysComputed = smIt->next()->IsAlwaysComputed();
if ( !isAlwaysComputed )
{
// check if an edge is a part of a complex side
TopoDS_Face face;
TopoDS_Edge edge = TopoDS::Edge( subMesh->GetSubShape() );
auto_ptr< StdMeshers_FaceSide > side
( StdMeshers_CompositeSegment_1D::GetFaceSide(*subMesh->GetFather(),edge, face, false ));
if ( side->NbEdges() > 1 ) { // complex
// set _alwaysComputed to vertices
for ( int iE = 1; iE < side->NbEdges(); ++iE )
{
TopoDS_Vertex V = side->FirstVertex( iE );
SMESH_subMesh* sm = side->GetMesh()->GetSubMesh( V );
sm->SetIsAlwaysComputed( true );
}
}
}
// set listener that will remove _alwaysComputed from submeshes at algorithm change
subMesh->SetEventListener( _EventListener, 0, subMesh);
StdMeshers_Regular_1D::SetEventListener( subMesh );
}