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0021263: EDF 1868: Several use cases fail (regressions)

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1) treat separately connected INTERNAL edges
   2) restore treatment of a pre-computed seam edge
This commit is contained in:
eap 2011-05-17 12:07:27 +00:00
parent a5ffcb1f56
commit 08865d94da
1 changed files with 41 additions and 24 deletions
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65
src/NETGENPlugin/NETGENPlugin_Mesher.cxx
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@ -422,6 +422,15 @@ namespace
break;
if ( eItFwd == edges.end()) return list< TopoDS_Edge>();
if ( eItFwd->Orientation() >= TopAbs_INTERNAL )
{
// connected INTERNAL edges returned from GetOrderedEdges() are wrongly oriented
// so treat each INTERNAL edge separately
TopoDS_Edge e = *eItFwd;
edges.clear();
edges.push_back( e );
return edges;
}
// find not computed or not connected EDGEs around <edge>
list< TopoDS_Edge >::iterator eItBack = eItFwd, ePrev;
@ -547,7 +556,7 @@ bool NETGENPlugin_Mesher::fillNgMesh(const netgen::OCCGeometry& occgeom,
eNotSeam = *eIt;
}
TopAbs_Orientation fOri = helper.GetSubShapeOri( face, eNotSeam );
bool isForwad = ( fOri == eNotSeam.Orientation() );
bool isForwad = ( fOri == eNotSeam.Orientation() || fOri >= TopAbs_INTERNAL );
// get all nodes from connected <edges>
bool isQuad = smDS->NbElements() ? smDS->GetElements()->next()->IsQuadratic() : false;
@ -555,10 +564,11 @@ bool NETGENPlugin_Mesher::fillNgMesh(const netgen::OCCGeometry& occgeom,
const vector<UVPtStruct>& points = fSide.GetUVPtStruct();
int i, nbSeg = fSide.NbSegments();
// remembre EDGEs of fSide to treat only once
for ( int iE = 0; iE < fSide.NbEdges(); ++iE )
visitedEdgeSM2Faces[ helper.GetMesh()->GetSubMesh( fSide.Edge(iE )) ].insert( faceID );
// double otherSeamParam = 0;
double otherSeamParam = 0;
bool isSeam = false;
// add segments
@ -570,15 +580,12 @@ bool NETGENPlugin_Mesher::fillNgMesh(const netgen::OCCGeometry& occgeom,
const UVPtStruct& p1 = points[ i ];
const UVPtStruct& p2 = points[ i+1 ];
// if ( helper.HasSeam() &&
// p1.node->getshapeId() != p2.node->getshapeId() &&
// p2.node->GetPosition()->GetTypeOfPosition() == SMDS_TOP_EDGE )
// {
// isSeam = helper.IsRealSeam( p2.node->getshapeId() );
// if ( isSeam )
// otherSeamParam = helper.GetOtherParam( helper.GetPeriodicIndex() == 1 ? p2.u : p2.v );
// }
if ( p1.node->GetPosition()->GetTypeOfPosition() == SMDS_TOP_VERTEX ) //an EDGE begins
{
isSeam = helper.IsRealSeam( p1.node->getshapeId() );
if ( isSeam )
otherSeamParam = helper.GetOtherParam( helper.GetPeriodicIndex() & 1 ? p2.u : p2.v );
}
netgen::Segment seg;
// ng node ids
seg[0] = prevNgId;
@ -592,6 +599,9 @@ bool NETGENPlugin_Mesher::fillNgMesh(const netgen::OCCGeometry& occgeom,
seg.epgeominfo[ 1 ].u = p2.u;
seg.epgeominfo[ 1 ].v = p2.v;
//geomEdge = fSide.Edge( fSide.EdgeIndex( 0.5 * ( p1.normParam + p2.normParam )));
//seg.epgeominfo[ 0 ].edgenr = seg.epgeominfo[ 1 ].edgenr = occgeom.emap.FindIndex( geomEdge );
//seg.epgeominfo[ iEnd ].edgenr = edgeID; // = geom.emap.FindIndex(edge);
seg.si = faceID; // = geom.fmap.FindIndex (face);
seg.edgenr = ngMesh.GetNSeg() + 1; // segment id
@ -600,6 +610,7 @@ bool NETGENPlugin_Mesher::fillNgMesh(const netgen::OCCGeometry& occgeom,
netgen::Point3d ngP1(p1.node->X(), p1.node->Y(), p1.node->Z());
netgen::Point3d ngP2(p2.node->X(), p2.node->Y(), p2.node->Z());
ngMesh.RestrictLocalH( netgen::Center( ngP1,ngP2), Dist(ngP1,ngP2));
#ifdef DUMP_SEGMENTS
cout << "Segment: " << seg.edgenr << " on SMESH face " << helper.GetMeshDS()->ShapeToIndex( face ) << endl
<< "\tface index: " << seg.si << endl
@ -614,19 +625,25 @@ bool NETGENPlugin_Mesher::fillNgMesh(const netgen::OCCGeometry& occgeom,
#endif
if ( isSeam )
{
// if ( helper.GetPeriodicIndex() == 1 ) {
// seg.epgeominfo[ 0 ].u = otherSeamParam;
// seg.epgeominfo[ 1 ].u = otherSeamParam;
// swap (seg.epgeominfo[0].v, seg.epgeominfo[1].v);
// } else {
// seg.epgeominfo[ 0 ].v = otherSeamParam;
// seg.epgeominfo[ 1 ].v = otherSeamParam;
// swap (seg.epgeominfo[0].u, seg.epgeominfo[1].u);
// }
// swap (seg[0], seg[1]);
// swap (seg.epgeominfo[0].dist, seg.epgeominfo[1].dist);
// seg.edgenr = ngMesh.GetNSeg() + 1; // segment id
// ngMesh.AddSegment (seg);
if ( helper.GetPeriodicIndex() && 1 ) {
seg.epgeominfo[ 0 ].u = otherSeamParam;
seg.epgeominfo[ 1 ].u = otherSeamParam;
swap (seg.epgeominfo[0].v, seg.epgeominfo[1].v);
} else {
seg.epgeominfo[ 0 ].v = otherSeamParam;
seg.epgeominfo[ 1 ].v = otherSeamParam;
swap (seg.epgeominfo[0].u, seg.epgeominfo[1].u);
}
swap (seg[0], seg[1]);
swap (seg.epgeominfo[0].dist, seg.epgeominfo[1].dist);
seg.edgenr = ngMesh.GetNSeg() + 1; // segment id
ngMesh.AddSegment (seg);
#ifdef DUMP_SEGMENTS
cout << "Segment: " << seg.edgenr << endl
<< "\t is SEAM (reverse) of the previous. "
<< " Other " << (helper.GetPeriodicIndex() && 1 ? "U" : "V")
<< " = " << otherSeamParam << endl;
#endif
}
else if ( fOri == TopAbs_INTERNAL )
{