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0027971: Intersection with degenerated conical surface is translated incorrectly

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Added check for infinite surfaces.
This commit is contained in:
anv 2016-10-20 18:04:55 +03:00 committed by apn
parent 15173be5c9
commit dc6ae350f3
1 changed files with 8 additions and 1 deletions
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9
src/ShapeFix/ShapeFix_ComposeShell.cxx
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@ -118,15 +118,22 @@ void ShapeFix_ComposeShell::Init (const Handle(ShapeExtend_CompositeSurface) &Gr
// DTK-CKY 100531 : protection against very thin face
// Test "isclosed" should be filtered on the overall (non trimmed) surface, must be closed
Handle(Geom_Surface) theSurface = BRep_Tool::Surface(Face,myLoc);
Standard_Real U0,U1,V0,V1;
Standard_Real U0,U1,V0,V1,GU0 = 0.,GU1 = 0.,GV0 = 0.,GV1 = 0.;
theSurface->Bounds(U0,U1,V0,V1);
if (::Precision::IsInfinite (U0) || ::Precision::IsInfinite (U1) ||
::Precision::IsInfinite (V0) || ::Precision::IsInfinite (V1))
BRepTools::UVBounds(Face, GU0, GU1, GV0, GV1);
if (myUClosed) {
if (::Precision::IsInfinite (V0)) V0 = GV0;
if (::Precision::IsInfinite (V1)) V1 = GV1;
gp_Pnt P0 = theSurface->Value(U0,(V0+V1)/2.);
gp_Pnt P1 = theSurface->Value(U1,(V0+V1)/2.);
if (P0.Distance(P1) > Precision::Confusion()*10)
myUClosed = Standard_False;
}
if (myVClosed) {
if (::Precision::IsInfinite (U0)) U0 = GU0;
if (::Precision::IsInfinite (U1)) U1 = GU1;
gp_Pnt P0 = theSurface->Value((U0+U1)/2.,V0);
gp_Pnt P1 = theSurface->Value((U0+U1)/2.,V1);
if (P0.Distance(P1) > Precision::Confusion()*10)