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PAL11992. fix cleanMesh()

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This commit is contained in:
eap 2006-03-27 13:34:04 +00:00
parent 6c4637452d
commit 9434254db5
1 changed files with 38 additions and 13 deletions
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51
src/SMESH/SMESH_Pattern.cxx
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@ -3547,6 +3547,40 @@ bool SMESH_Pattern::
return makePoly;
}
//=======================================================================
//function : clearSubMesh
//purpose :
//=======================================================================
static bool clearSubMesh( SMESH_Mesh* theMesh,
const TopoDS_Shape& theShape)
{
bool removed = false;
if ( SMESH_subMesh * aSubMesh = theMesh->GetSubMeshContaining( theShape ))
{
if ( aSubMesh->GetSubMeshDS() ) {
removed =
aSubMesh->GetSubMeshDS()->NbElements() || aSubMesh->GetSubMeshDS()->NbNodes();
aSubMesh->ComputeStateEngine( SMESH_subMesh::CLEAN );
}
}
else {
SMESHDS_Mesh* aMeshDS = theMesh->GetMeshDS();
if ( SMESHDS_SubMesh* aSubMeshDS = aMeshDS->MeshElements( theShape ))
{
SMDS_ElemIteratorPtr eIt = aSubMeshDS->GetElements();
removed = eIt->more();
while ( eIt->more() )
aMeshDS->RemoveElement( eIt->next() );
SMDS_NodeIteratorPtr nIt = aSubMeshDS->GetNodes();
removed = removed || nIt->more();
while ( nIt->more() )
aMeshDS->RemoveNode( static_cast<const SMDS_MeshNode*>( nIt->next() ));
}
}
return removed;
}
//=======================================================================
//function : clearMesh
//purpose : clear mesh elements existing on myShape in theMesh
@ -3557,20 +3591,11 @@ void SMESH_Pattern::clearMesh(SMESH_Mesh* theMesh) const
if ( !myShape.IsNull() )
{
if ( SMESH_subMesh * aSubMesh = theMesh->GetSubMesh/*Containing*/( myShape ))
{
aSubMesh->ComputeStateEngine( SMESH_subMesh::CLEAN );
}
else {
SMESHDS_Mesh* aMeshDS = theMesh->GetMeshDS();
if ( SMESHDS_SubMesh* aSubMeshDS = aMeshDS->MeshElements( myShape ))
if ( !clearSubMesh( theMesh, myShape ) && !myIs2D ) { // myShape is SHELL but volumes may be bound to SOLID
TopTools_ListIteratorOfListOfShape it( theMesh->GetAncestors( myShape ));
for (; it.More() && it.Value().ShapeType() == TopAbs_SOLID; it.Next())
{
SMDS_ElemIteratorPtr eIt = aSubMeshDS->GetElements();
while ( eIt->more() )
aMeshDS->RemoveElement( eIt->next() );
SMDS_NodeIteratorPtr nIt = aSubMeshDS->GetNodes();
while ( nIt->more() )
aMeshDS->RemoveNode( static_cast<const SMDS_MeshNode*>( nIt->next() ));
clearSubMesh( theMesh, it.Value() );
}
}
}