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0026369: Modeling Data - Geom_OffsetSurface direction is wrong for indirect conical surface

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This commit is contained in:
apl
2015-07-06 11:30:57 +03:00
committed by bugmaster
parent a52c06d5f6
commit 4052fe71d9
2 changed files with 55 additions and 9 deletions
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35
src/Geom/Geom_OffsetSurface.cxx
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@@ -1625,16 +1625,33 @@ Handle(Geom_Surface) Geom_OffsetSurface::Surface() const
{
Handle(Geom_ConicalSurface) C =
Handle(Geom_ConicalSurface)::DownCast(Base);
Standard_Real Alpha = C->SemiAngle();
Standard_Real Radius = C->RefRadius() + offsetValue * Cos(Alpha);
gp_Ax3 Axis = C->Position();
if ( Radius >= 0.) {
gp_Vec Z( Axis.Direction());
Z *= - offsetValue * Sin(Alpha);
Axis.Translate(Z);
Result = new Geom_ConicalSurface(Axis, Alpha, Radius);
gp_Ax3 anAxis = C->Position();
Standard_Boolean isDirect = anAxis.Direct();
Standard_Real anAlpha = C->SemiAngle();
Standard_Real aRadius;
if (isDirect)
{
aRadius = C->RefRadius() + offsetValue * Cos (anAlpha);
}
else
else
{
aRadius = C->RefRadius() - offsetValue * Cos (anAlpha);
}
if (aRadius >= 0.)
{
gp_Vec aZ (anAxis.Direction());
if (isDirect)
{
aZ *= -offsetValue * Sin (anAlpha);
}
else
{
aZ *= offsetValue * Sin (anAlpha);
}
anAxis.Translate (aZ);
Result = new Geom_ConicalSurface (anAxis, anAlpha, aRadius);
}
else
{
// surface degeneree
}