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0020128: EDF SMESH 926 : Quadratic conversion of BLSURF mesh

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Use maximal tolerance of face when checking node positions

+  static double MaxTolerance( const TopoDS_Shape& shape );

-      uvOK = CheckNodeUV( F, n, uv.ChangeCoord(), 2*BRep_Tool::Tolerance( F ));
+      uvOK = CheckNodeUV( F, n, uv.ChangeCoord(), 10*MaxTolerance( F ));

-      uvOK = CheckNodeUV( F, n, uv.ChangeCoord(), 2*BRep_Tool::Tolerance( E ),/*force=*/ !validU );
+      uvOK = CheckNodeUV( F, n, uv.ChangeCoord(), 10*MaxTolerance( F ),/*force=*/ !validU );
This commit is contained in:
eap 2010-11-02 14:11:10 +00:00
parent 56fb0953d7
commit 7923b41e35
2 changed files with 24 additions and 2 deletions
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24
src/SMESH/SMESH_MesherHelper.cxx
View File

@ -356,7 +356,7 @@ gp_XY SMESH_MesherHelper::GetNodeUV(const TopoDS_Face& F,
static_cast<const SMDS_FacePosition*>(n->GetPosition().get());
uv.SetCoord(fpos->GetUParameter(),fpos->GetVParameter());
if ( check )
uvOK = CheckNodeUV( F, n, uv.ChangeCoord(), 2*BRep_Tool::Tolerance( F ));
uvOK = CheckNodeUV( F, n, uv.ChangeCoord(), 10*MaxTolerance( F ));
}
else if(Pos->GetTypeOfPosition()==SMDS_TOP_EDGE)
{
@ -375,7 +375,7 @@ gp_XY SMESH_MesherHelper::GetNodeUV(const TopoDS_Face& F,
else
uv.SetCoord(0.,0.);
if ( check || !validU )
uvOK = CheckNodeUV( F, n, uv.ChangeCoord(), 2*BRep_Tool::Tolerance( E ),/*force=*/ !validU );
uvOK = CheckNodeUV( F, n, uv.ChangeCoord(), 10*MaxTolerance( F ),/*force=*/ !validU );
// for a node on a seam edge select one of UVs on 2 pcurves
if ( n2 && IsSeamShape( edgeID ) )
@ -1521,6 +1521,26 @@ bool SMESH_MesherHelper::IsSubShape( const TopoDS_Shape& shape, SMESH_Mesh* aMes
shape.ShapeType() == TopAbs_COMPOUND && aMesh->GetMeshDS()->IsGroupOfSubShapes( shape );
}
//================================================================================
/*!
* \brief Return maximal tolerance of shape
*/
//================================================================================
double SMESH_MesherHelper::MaxTolerance( const TopoDS_Shape& shape )
{
double tol = Precision::Confusion();
TopExp_Explorer exp;
for ( exp.Init( shape, TopAbs_FACE ); exp.More(); exp.Next() )
tol = Max( tol, BRep_Tool::Tolerance( TopoDS::Face( exp.Current())));
for ( exp.Init( shape, TopAbs_EDGE ); exp.More(); exp.Next() )
tol = Max( tol, BRep_Tool::Tolerance( TopoDS::Edge( exp.Current())));
for ( exp.Init( shape, TopAbs_VERTEX ); exp.More(); exp.Next() )
tol = Max( tol, BRep_Tool::Tolerance( TopoDS::Vertex( exp.Current())));
return tol;
}
//=======================================================================
//function : IsQuadraticMesh
//purpose : Check mesh without geometry for: if all elements on this shape are quadratic,

2
src/SMESH/SMESH_MesherHelper.hxx
View File

@ -140,6 +140,8 @@ public:
static bool IsSubShape( const TopoDS_Shape& shape, SMESH_Mesh* aMesh );
static double MaxTolerance( const TopoDS_Shape& shape );
public:
// ---------- PUBLIC INSTANCE METHODS ----------