*/
//=============================================================================
-bool SMESH_Gen::Compute(SMESH_Mesh & aMesh, const TopoDS_Shape & aShape)
+bool SMESH_Gen::Compute(SMESH_Mesh & aMesh,
+ const TopoDS_Shape & aShape,
+ const bool anUpward)
{
MESSAGE("SMESH_Gen::Compute");
SMESH_subMesh *sm = aMesh.GetSubMesh(aShape);
- // -----------------------------------------------------------------
- // apply algos that do not require descretized boundaries, starting
- // from the most complex shapes
- // -----------------------------------------------------------------
-
const bool includeSelf = true;
const bool complexShapeFirst = true;
- SMESH_subMeshIteratorPtr smIt = sm->getDependsOnIterator(includeSelf,
- complexShapeFirst);
- while ( smIt->more() )
+ SMESH_subMeshIteratorPtr smIt;
+
+ if ( anUpward ) // is called from below code here
{
- SMESH_subMesh* smToCompute = smIt->next();
+ // -----------------------------------------------
+ // mesh all the subshapes starting from vertices
+ // -----------------------------------------------
+ smIt = sm->getDependsOnIterator(includeSelf, !complexShapeFirst);
+ while ( smIt->more() )
+ {
+ SMESH_subMesh* smToCompute = smIt->next();
- const TopoDS_Shape& aSubShape = smToCompute->GetSubShape();
- if ( GetShapeDim( aSubShape ) < 1 ) break;
+ // do not mesh vertices of a pseudo shape
+ if ( !aMesh.HasShapeToMesh() &&
+ smToCompute->GetSubShape().ShapeType() == TopAbs_VERTEX )
+ continue;
- SMESH_Algo* algo = GetAlgo( aMesh, aSubShape );
- if (algo && !algo->NeedDescretBoundary())
- {
if (smToCompute->GetComputeState() == SMESH_subMesh::READY_TO_COMPUTE)
smToCompute->ComputeStateEngine( SMESH_subMesh::COMPUTE );
+ // we check all the submeshes here and detect if any of them failed to compute
if (smToCompute->GetComputeState() == SMESH_subMesh::FAILED_TO_COMPUTE)
- ret = false;;
+ ret = false;
}
- if ((algo && !aMesh.HasShapeToMesh()))
+ return ret;
+ }
+ else
+ {
+ // -----------------------------------------------------------------
+ // apply algos that DO NOT require descretized boundaries and DO NOT
+ // support submeshes, starting from the most complex shapes
+ // and collect submeshes with algos that DO support submeshes
+ // -----------------------------------------------------------------
+ list< SMESH_subMesh* > smWithAlgoSupportingSubmeshes;
+ smIt = sm->getDependsOnIterator(includeSelf, complexShapeFirst);
+ while ( smIt->more() )
{
- if (smToCompute->GetComputeState() == SMESH_subMesh::READY_TO_COMPUTE)
- smToCompute->ComputeStateEngine( SMESH_subMesh::COMPUTE );
-
- if (smToCompute->GetComputeState() == SMESH_subMesh::FAILED_TO_COMPUTE)
- ret = false;;
+ SMESH_subMesh* smToCompute = smIt->next();
+ if ( smToCompute->GetComputeState() != SMESH_subMesh::READY_TO_COMPUTE )
+ continue;
+
+ const TopoDS_Shape& aSubShape = smToCompute->GetSubShape();
+ if ( GetShapeDim( aSubShape ) < 1 ) break;
+
+ SMESH_Algo* algo = GetAlgo( aMesh, aSubShape );
+ if ( algo && !algo->NeedDescretBoundary() )
+ {
+ if ( algo->SupportSubmeshes() )
+ smWithAlgoSupportingSubmeshes.push_back( smToCompute );
+ else
+ smToCompute->ComputeStateEngine( SMESH_subMesh::COMPUTE );
+ }
}
- }
+ // ------------------------------------------------------------
+ // compute submeshes under shapes with algos that DO NOT require
+ // descretized boundaries and DO support submeshes
+ // ------------------------------------------------------------
+ list< SMESH_subMesh* >::reverse_iterator subIt, subEnd;
+ subIt = smWithAlgoSupportingSubmeshes.rbegin();
+ subEnd = smWithAlgoSupportingSubmeshes.rend();
+ // start from lower shapes
+ for ( ; subIt != subEnd; ++subIt )
+ {
+ sm = *subIt;
- // -----------------------------------------------
- // mesh the rest subshapes starting from vertices
- // -----------------------------------------------
- smIt = sm->getDependsOnIterator(includeSelf, !complexShapeFirst);
- while ( smIt->more() )
- {
- SMESH_subMesh* smToCompute = smIt->next();
+ // get a shape the algo is assigned to
+ TopoDS_Shape algoShape;
+ if ( !GetAlgo( aMesh, sm->GetSubShape(), & algoShape ))
+ continue; // strange...
+
+ // look for more local algos
+ smIt = sm->getDependsOnIterator(!includeSelf, !complexShapeFirst);
+ while ( smIt->more() )
+ {
+ SMESH_subMesh* smToCompute = smIt->next();
- if (smToCompute->GetComputeState() == SMESH_subMesh::READY_TO_COMPUTE)
- smToCompute->ComputeStateEngine( SMESH_subMesh::COMPUTE );
+ const TopoDS_Shape& aSubShape = smToCompute->GetSubShape();
+ if ( aSubShape.ShapeType() == TopAbs_VERTEX ) continue;
- if (smToCompute->GetComputeState() == SMESH_subMesh::FAILED_TO_COMPUTE)
- ret = false;
+ SMESH_HypoFilter filter( SMESH_HypoFilter::IsAlgo() );
+ filter
+ .And( SMESH_HypoFilter::IsApplicableTo( aSubShape ))
+ .And( SMESH_HypoFilter::IsMoreLocalThan( algoShape ));
+
+ if ( SMESH_Algo* subAlgo = (SMESH_Algo*) aMesh.GetHypothesis( aSubShape, filter, true )) {
+ SMESH_Hypothesis::Hypothesis_Status status;
+ if ( subAlgo->CheckHypothesis( aMesh, aSubShape, status ))
+ // mesh a lower smToCompute starting from vertices
+ Compute( aMesh, aSubShape, /*anUpward=*/true );
+ }
+ }
+ }
+ // ----------------------------------------------------------
+ // apply the algos that do not require descretized boundaries
+ // ----------------------------------------------------------
+ for ( subIt = smWithAlgoSupportingSubmeshes.rbegin(); subIt != subEnd; ++subIt )
+ if ( sm->GetComputeState() == SMESH_subMesh::READY_TO_COMPUTE)
+ sm->ComputeStateEngine( SMESH_subMesh::COMPUTE );
+
+ // -----------------------------------------------
+ // mesh the rest subshapes starting from vertices
+ // -----------------------------------------------
+ ret = Compute( aMesh, aShape, /*anUpward=*/true );
}
MESSAGE( "VSR - SMESH_Gen::Compute() finished, OK = " << ret);
*/
//=============================================================================
-SMESH_Algo *SMESH_Gen::GetAlgo(SMESH_Mesh & aMesh, const TopoDS_Shape & aShape)
+SMESH_Algo *SMESH_Gen::GetAlgo(SMESH_Mesh & aMesh,
+ const TopoDS_Shape & aShape,
+ TopoDS_Shape* assignedTo)
{
SMESH_HypoFilter filter( SMESH_HypoFilter::IsAlgo() );
filter.And( filter.IsApplicableTo( aShape ));
- list <const SMESHDS_Hypothesis * > algoList;
- aMesh.GetHypotheses( aShape, filter, algoList, true );
-
- if ( algoList.empty() )
- return NULL;
-
- return const_cast<SMESH_Algo*> ( static_cast<const SMESH_Algo* >( algoList.front() ));
+ return (SMESH_Algo*) aMesh.GetHypothesis( aShape, filter, true, assignedTo );
}
//=============================================================================