}
//=======================================================================
-//function : isMeshBoundToShape
-//purpose : return true if all 2d elements are bound to shape
+//function : areNodesBound
+//purpose : true if all nodes of faces are bound to shapes
//=======================================================================
-static bool isMeshBoundToShape(SMESH_Mesh* theMesh)
+template <class TFaceIterator> bool areNodesBound( TFaceIterator & faceItr )
{
- // check faces binding
- SMESHDS_Mesh * aMeshDS = theMesh->GetMeshDS();
- SMESHDS_SubMesh * aMainSubMesh = aMeshDS->MeshElements( aMeshDS->ShapeToMesh() );
- if ( aMeshDS->NbFaces() != aMainSubMesh->NbElements() )
- return false;
-
- // check face nodes binding
- SMDS_FaceIteratorPtr fIt = aMeshDS->facesIterator();
- while ( fIt->more() )
+ while ( faceItr->more() )
{
- SMDS_ElemIteratorPtr nIt = fIt->next()->nodesIterator();
+ SMDS_ElemIteratorPtr nIt = faceItr->next()->nodesIterator();
while ( nIt->more() )
{
const SMDS_MeshNode* node = static_cast<const SMDS_MeshNode*>( nIt->next() );
SMDS_PositionPtr pos = node->GetPosition();
- if ( !pos || !pos->GetShapeId() )
+ if ( !pos || !pos->GetShapeId() ) {
return false;
+ }
}
}
return true;
}
+//=======================================================================
+//function : isMeshBoundToShape
+//purpose : return true if all 2d elements are bound to shape
+// if aFaceSubmesh != NULL, then check faces bound to it
+// else check all faces in aMeshDS
+//=======================================================================
+
+static bool isMeshBoundToShape(SMESHDS_Mesh * aMeshDS,
+ SMESHDS_SubMesh * aFaceSubmesh,
+ const bool isMainShape)
+{
+ if ( isMainShape ) {
+ // check that all faces are bound to aFaceSubmesh
+ if ( aMeshDS->NbFaces() != aFaceSubmesh->NbElements() )
+ return false;
+ }
+
+ // check face nodes binding
+ if ( aFaceSubmesh ) {
+ SMDS_ElemIteratorPtr fIt = aFaceSubmesh->GetElements();
+ return areNodesBound( fIt );
+ }
+ SMDS_FaceIteratorPtr fIt = aMeshDS->facesIterator();
+ return areNodesBound( fIt );
+}
+
//=======================================================================
//function : Load
//purpose : Create a pattern from the mesh built on <theFace>.
for ( ; elIt != eList.end() ; elIt++ )
if ( BRep_Tool::IsClosed( *elIt , face ))
return setErrorCode( ERR_LOADF_CLOSED_FACE );
-
+
+ // check that requested or needed projection is possible
+ bool isMainShape = theMesh->IsMainShape( face );
+ bool needProject = !isMeshBoundToShape( aMeshDS, fSubMesh, isMainShape );
+ bool canProject = ( nbElems ? true : isMainShape );
+
+ if ( ( theProject || needProject ) && !canProject )
+ return setErrorCode( ERR_LOADF_CANT_PROJECT );
Extrema_GenExtPS projector;
GeomAdaptor_Surface aSurface( BRep_Tool::Surface( face ));
- if ( theProject || nbElems == 0 )
+ if ( theProject || needProject )
projector.Initialize( aSurface, 20,20, 1e-5,1e-5 );
int iPoint = 0;
TNodePointIDMap nodePointIDMap;
- if ( nbElems == 0 || (theProject &&
- theMesh->IsMainShape( face ) &&
- !isMeshBoundToShape( theMesh )))
+ if ( needProject )
{
- MESSAGE("Project the whole mesh");
+ MESSAGE("Project the submesh");
// ---------------------------------------------------------------
- // The case where the whole mesh is projected to theFace
+ // The case where the submesh is projected to theFace
// ---------------------------------------------------------------
- // put nodes of all faces in the nodePointIDMap and fill myElemPointIDs
- SMDS_FaceIteratorPtr fIt = aMeshDS->facesIterator();
- while ( fIt->more() )
+ // get all faces
+ list< const SMDS_MeshElement* > faces;
+ if ( nbElems > 0 ) {
+ SMDS_ElemIteratorPtr fIt = fSubMesh->GetElements();
+ while ( fIt->more() ) {
+ const SMDS_MeshElement* f = fIt->next();
+ if ( f && f->GetType() == SMDSAbs_Face )
+ faces.push_back( f );
+ }
+ }
+ else {
+ SMDS_FaceIteratorPtr fIt = aMeshDS->facesIterator();
+ while ( fIt->more() )
+ faces.push_back( fIt->next() );
+ }
+
+ // put nodes of all faces into the nodePointIDMap and fill myElemPointIDs
+ list< const SMDS_MeshElement* >::iterator fIt = faces.begin();
+ for ( ; fIt != faces.end(); ++fIt )
{
myElemPointIDs.push_back( TElemDef() );
TElemDef& elemPoints = myElemPointIDs.back();
- SMDS_ElemIteratorPtr nIt = fIt->next()->nodesIterator();
+ SMDS_ElemIteratorPtr nIt = (*fIt)->nodesIterator();
while ( nIt->more() )
{
const SMDS_MeshElement* node = nIt->next();
double dU = maxU - minU, dV = maxV - minV;
if ( dU <= DBL_MIN || dV <= DBL_MIN ) {
Clear();
- return setErrorCode( ERR_LOADF_NARROW_FACE );
+ bndBox.SetVoid();
+ // define where is the problem, in the face or in the mesh
+ TopExp_Explorer vExp( face, TopAbs_VERTEX );
+ for ( ; vExp.More(); vExp.Next() ) {
+ gp_Pnt2d uv = BRep_Tool::Parameters( TopoDS::Vertex( vExp.Current() ), face );
+ bndBox.Add( uv );
+ }
+ bndBox.Get( minU, minV, maxU, maxV );
+ dU = maxU - minU, dV = maxV - minV;
+ if ( dU <= DBL_MIN || dV <= DBL_MIN )
+ // face problem
+ return setErrorCode( ERR_LOADF_NARROW_FACE );
+ else
+ // mesh is projected onto a line, e.g.
+ return setErrorCode( ERR_LOADF_CANT_PROJECT );
}
double ratio = dU / dV, maxratio = 3, scale;
int iCoord = 0;
myPolyElems.reserve( myIdsOnBoundary.size() );
// make a set of refined elements
- set< const SMDS_MeshElement* > avoidSet, elemSet;
- avoidSet.insert( myElements.begin(), myElements.end() );
+ map<int,const SMDS_MeshElement* > avoidSet, elemSet;
+ std::vector<const SMDS_MeshElement*>::iterator itv = myElements.begin();
+ for(; itv!=myElements.end(); itv++) {
+ const SMDS_MeshElement* el = (*itv);
+ avoidSet.insert( make_pair(el->GetID(),el) );
+ }
+ //avoidSet.insert( myElements.begin(), myElements.end() );
map< TNodeSet, list< list< int > > >::iterator indListIt, nn_IdList;
SMESH_MeshEditor::FindFaceInSet( n1, n2, elemSet, avoidSet );
if ( face )
{
- avoidSet.insert ( face );
+ avoidSet.insert ( make_pair(face->GetID(),face) );
myPolyElems.push_back( face );
// some links of <face> are split;
while ( eIt->more() )
{
const SMDS_MeshElement* elem = eIt->next();
- if ( !volTool.Set( elem ) || !avoidSet.insert( elem ).second )
+ if ( !volTool.Set( elem ) || !avoidSet.insert( make_pair(elem->GetID(),elem) ).second )
continue; // skip faces or refined elements
// add polyhedron definition
myPolyhedronQuantities.push_back(vector<int> ());
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
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() );
}
}
}
MESSAGE(" findBoundaryPoints() ");
+ myNbKeyPntInBoundary.clear();
+
if ( myIs2D )
{
set< TPoint* > pointsInElems;
