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OCC22318 Regression (since OCCT 6.3.1): bad shading of small cylinder (forum thread 20083)

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PDN 2011-05-19 10:48:19 +00:00 committed by bugmaster
parent 40f6333983
commit ae07527556
1 changed files with 1 additions and 25 deletions
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26
src/BRepMesh/BRepMesh_FastDiscret.cxx
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@ -872,35 +872,11 @@ void BRepMesh_FastDiscret::Add( const TopoDS_Edge& theEdge,
Standard_True); Standard_True);
} }
// Creation des polygones sur triangulation: // Creation of polygons on triangulation:
Standard_Real puv; Standard_Real puv;
Standard_Integer i; Standard_Integer i;
Standard_Real aEdgeLen = 0., a2dEdgeLen = 0.;
gp_Pnt P3dPrev;
gp_Pnt2d uvPrev;
GT.Value(cons, theGFace, 1, puv, P3dPrev, uvPrev);
for (i = 2; i <= GT.NbPoints(); i++)
{
// Record 3d point
GT.Value(cons, theGFace, i, puv, P3d, uv);
aEdgeLen += P3d.SquareDistance(P3dPrev);
a2dEdgeLen += uv.SquareDistance(uvPrev);
P3dPrev = P3d;
uvPrev = uv;
}
Standard_Integer nbnodes = GT.NbPoints(); Standard_Integer nbnodes = GT.NbPoints();
Standard_Real aMinToler = Min(theDefEdge, myDeflection);
if(aEdgeLen < aMinToler*aMinToler)
{
//check 2D resolution
Standard_Real ddu = theGFace->UResolution(aMinToler);
Standard_Real ddv = theGFace->VResolution(aMinToler);
Standard_Real aMin = Min(ddu, ddv);
if(a2dEdgeLen < aMin*aMin)
nbnodes = 2;
}
TColStd_Array1OfInteger Nodes(1, nbnodes); TColStd_Array1OfInteger Nodes(1, nbnodes);
TColStd_Array1OfInteger NodInStruct(1, nbnodes); TColStd_Array1OfInteger NodInStruct(1, nbnodes);
TColStd_Array1OfReal Param(1, nbnodes); TColStd_Array1OfReal Param(1, nbnodes);