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Fixed a bug that the Local Coordiante Systems normal was wrong when they were built on faces with reversed orientation

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rnc 2012-02-21 10:54:15 +00:00
parent a292cd4a4d
commit ce8009fe71
1 changed files with 9 additions and 0 deletions
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9
src/GEOMImpl/GEOMImpl_IMeasureOperations.cxx
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@ -788,6 +788,15 @@ gp_Ax3 GEOMImpl_IMeasureOperations::GetPosition (const TopoDS_Shape& theShape)
Handle(Geom_Plane) aGPlane = Handle(Geom_Plane)::DownCast(aGS);
gp_Pln aPln = aGPlane->Pln();
aResult = aPln.Position();
// In case of reverse orinetation of the face invert the plane normal
// (the face's normal does not mathc the plane's normal in this case)
if(theShape.Orientation() == TopAbs_REVERSED)
{
gp_Dir Vx = aResult.XDirection();
gp_Dir N = aResult.Direction().Mirrored(Vx);
gp_Pnt P = aResult.Location();
aResult = gp_Ax3(P, N, Vx);
}
}
}