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22613: EDF 8419 SMESH: 1d hypothesis is not applied correctly with 3Dextrusion

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Project vertical distribution only if (1) no hyp defined or (2) defined hyp
  provides incorrect nb of segments.
This commit is contained in:
eap 2014-06-30 16:07:18 +04:00
parent b3da9e90b4
commit 6440fc57c2
1 changed files with 59 additions and 24 deletions
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83
src/StdMeshers/StdMeshers_Prism_3D.cxx
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@ -190,7 +190,7 @@ namespace {
( sm->NbElements() > 0 ) &&
( !theHelper.IsSameElemGeometry( sm, SMDSGeom_QUADRANGLE ) ))
{
faceFound;
faceFound = true;
break;
}
if ( !faceFound )
@ -1263,34 +1263,36 @@ bool StdMeshers_Prism_3D::computeWalls(const Prism_3D::TPrismTopo& thePrism)
TProjction1dAlgo* projector1D = TProjction1dAlgo::instance( this );
StdMeshers_Quadrangle_2D* quadAlgo = TQuadrangleAlgo::instance( this, myHelper );
SMESH_HypoFilter hyp1dFilter( SMESH_HypoFilter::IsAlgo(),/*not=*/true);
hyp1dFilter.And( SMESH_HypoFilter::HasDim( 1 ));
hyp1dFilter.And( SMESH_HypoFilter::IsMoreLocalThan( thePrism.myShape3D, *mesh ));
// SMESH_HypoFilter hyp1dFilter( SMESH_HypoFilter::IsAlgo(),/*not=*/true);
// hyp1dFilter.And( SMESH_HypoFilter::HasDim( 1 ));
// hyp1dFilter.And( SMESH_HypoFilter::IsMoreLocalThan( thePrism.myShape3D, *mesh ));
// Discretize equally 'vertical' EDGEs
// -----------------------------------
// find source FACE sides for projection: either already computed ones or
// the 'most composite' ones
multimap< int, int > wgt2quad;
for ( size_t iW = 0; iW != thePrism.myWallQuads.size(); ++iW )
const size_t nbWalls = thePrism.myWallQuads.size();
vector< int > wgt( nbWalls, 0 ); // "weight" of a wall
for ( size_t iW = 0; iW != nbWalls; ++iW )
{
Prism_3D::TQuadList::const_iterator quad = thePrism.myWallQuads[iW].begin();
int wgt = 0; // "weight"
for ( ; quad != thePrism.myWallQuads[iW].end(); ++quad )
{
StdMeshers_FaceSidePtr lftSide = (*quad)->side[ QUAD_LEFT_SIDE ];
for ( int i = 0; i < lftSide->NbEdges(); ++i )
{
++wgt;
++wgt[ iW ];
const TopoDS_Edge& E = lftSide->Edge(i);
if ( mesh->GetSubMesh( E )->IsMeshComputed() )
wgt += 10;
else if ( mesh->GetHypothesis( E, hyp1dFilter, true )) // local hypothesis!
wgt += 100;
{
wgt[ iW ] += 100;
wgt[ myHelper->WrapIndex( iW+1, nbWalls)] += 10;
wgt[ myHelper->WrapIndex( iW-1, nbWalls)] += 10;
}
// else if ( mesh->GetHypothesis( E, hyp1dFilter, true )) // local hypothesis!
// wgt += 100;
}
}
wgt2quad.insert( make_pair( wgt, iW ));
// in quadratic mesh, pass ignoreMediumNodes to quad sides
if ( myHelper->GetIsQuadratic() )
{
@ -1300,6 +1302,9 @@ bool StdMeshers_Prism_3D::computeWalls(const Prism_3D::TPrismTopo& thePrism)
(*quad)->side[ i ].grid->SetIgnoreMediumNodes( true );
}
}
multimap< int, int > wgt2quad;
for ( size_t iW = 0; iW != nbWalls; ++iW )
wgt2quad.insert( make_pair( wgt[ iW ], iW ));
// Project 'vertical' EDGEs, from left to right
multimap< int, int >::reverse_iterator w2q = wgt2quad.rbegin();
@ -1348,7 +1353,11 @@ bool StdMeshers_Prism_3D::computeWalls(const Prism_3D::TPrismTopo& thePrism)
{
const TopoDS_Edge& tgtE = rgtSide->Edge(i);
SMESH_subMesh* tgtSM = mesh->GetSubMesh( tgtE );
if (( isTgtEdgeComputed[ i ] = tgtSM->IsMeshComputed() )) {
if ( !( isTgtEdgeComputed[ i ] = tgtSM->IsMeshComputed() )) {
tgtSM->ComputeSubMeshStateEngine( SMESH_subMesh::COMPUTE );
tgtSM->ComputeStateEngine ( SMESH_subMesh::COMPUTE );
}
if ( tgtSM->IsMeshComputed() ) {
++nbTgtMeshed;
nbTgtSegments += tgtSM->GetSubMeshDS()->NbElements();
}
@ -1357,16 +1366,33 @@ bool StdMeshers_Prism_3D::computeWalls(const Prism_3D::TPrismTopo& thePrism)
{
if ( nbTgtSegments != nbSrcSegments )
{
for ( int i = 0; i < lftSide->NbEdges(); ++i )
addBadInputElements( meshDS->MeshElements( lftSide->Edge( i )));
bool badMeshRemoved = false;
// remove just computed segments
for ( int i = 0; i < rgtSide->NbEdges(); ++i )
addBadInputElements( meshDS->MeshElements( rgtSide->Edge( i )));
return toSM( error( TCom("Different nb of segment on logically vertical edges #")
<< shapeID( lftSide->Edge(0) ) << " and #"
<< shapeID( rgtSide->Edge(0) ) << ": "
<< nbSrcSegments << " != " << nbTgtSegments ));
if ( !isTgtEdgeComputed[ i ])
{
const TopoDS_Edge& tgtE = rgtSide->Edge(i);
SMESH_subMesh* tgtSM = mesh->GetSubMesh( tgtE );
tgtSM->ComputeStateEngine( SMESH_subMesh::CLEAN );
badMeshRemoved = true;
nbTgtMeshed--;
}
if ( !badMeshRemoved )
{
for ( int i = 0; i < lftSide->NbEdges(); ++i )
addBadInputElements( meshDS->MeshElements( lftSide->Edge( i )));
for ( int i = 0; i < rgtSide->NbEdges(); ++i )
addBadInputElements( meshDS->MeshElements( rgtSide->Edge( i )));
return toSM( error( TCom("Different nb of segment on logically vertical edges #")
<< shapeID( lftSide->Edge(0) ) << " and #"
<< shapeID( rgtSide->Edge(0) ) << ": "
<< nbSrcSegments << " != " << nbTgtSegments ));
}
}
else // if ( nbTgtSegments == nbSrcSegments )
{
continue;
}
continue;
}
// Compute 'vertical projection'
if ( nbTgtMeshed == 0 )
@ -1408,13 +1434,22 @@ bool StdMeshers_Prism_3D::computeWalls(const Prism_3D::TPrismTopo& thePrism)
// new nodes are on different EDGEs; put one of them on VERTEX
const int edgeIndex = rgtSide->EdgeIndex( srcNodeStr[ iN-1 ].normParam );
const double vertexParam = rgtSide->LastParameter( edgeIndex );
const gp_Pnt p = BRep_Tool::Pnt( rgtSide->LastVertex( edgeIndex ));
TopoDS_Vertex vertex = rgtSide->LastVertex( edgeIndex );
const SMDS_MeshNode* vn = SMESH_Algo::VertexNode( vertex, meshDS );
const gp_Pnt p = BRep_Tool::Pnt( vertex );
const int isPrev = ( Abs( srcNodeStr[ iN-1 ].normParam - vertexParam ) <
Abs( srcNodeStr[ iN ].normParam - vertexParam ));
meshDS->UnSetNodeOnShape( newNodes[ iN-isPrev ] );
meshDS->SetNodeOnVertex ( newNodes[ iN-isPrev ], rgtSide->LastVertex( edgeIndex ));
meshDS->SetNodeOnVertex ( newNodes[ iN-isPrev ], vertex );
meshDS->MoveNode ( newNodes[ iN-isPrev ], p.X(), p.Y(), p.Z() );
id2type.first = newNodes[ iN-(1-isPrev) ]->getshapeId();
if ( vn )
{
SMESH_MeshEditor::TListOfListOfNodes lln( 1, list< const SMDS_MeshNode* >() );
lln.back().push_back ( vn );
lln.back().push_front( newNodes[ iN-isPrev ] ); // to keep
SMESH_MeshEditor( mesh ).MergeNodes( lln );
}
}
SMDS_MeshElement* newEdge = myHelper->AddEdge( newNodes[ iN-1 ], newNodes[ iN ] );
meshDS->SetMeshElementOnShape( newEdge, id2type.first );