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0022823: Exception in thickshell operation

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This commit is contained in:
JGV 2011-12-23 06:42:09 +00:00 committed by bugmaster
parent a6535b1d3f
commit de878dad9a
1 changed files with 61 additions and 59 deletions
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20
src/BRepOffset/BRepOffset_MakeOffset.cxx
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@ -2829,12 +2829,16 @@ void BRepOffset_MakeOffset::MakeMissingWalls ()
BAcurveOE.GetType() == GeomAbs_Circle)
{
gp_Circ aCirc = BAcurve.Circle();
gp_Dir CircAxisDir = aCirc.Axis().Direction();
if (OffsetDir.IsParallel( CircAxisDir, Precision::Confusion() )) //case of cylinder
theSurf = GC_MakeCylindricalSurface(aCirc).Value();
else if (Abs(OffsetDir * CircAxisDir) > Precision::PConfusion()) //case of cone
{
gp_Circ aCircOE = BAcurveOE.Circle();
gp_Lin anAxisLine(aCirc.Axis());
gp_Dir CircAxisDir = aCirc.Axis().Direction();
if (aCirc.Axis().IsParallel(aCircOE.Axis(), Precision::Confusion()) &&
anAxisLine.Contains(aCircOE.Location(), Precision::Confusion()))
{ //cylinder or cone
if (Abs(aCirc.Radius() - aCircOE.Radius()) <= Precision::Confusion()) //case of cylinder
theSurf = GC_MakeCylindricalSurface(aCirc).Value();
else //case of cone
{
gp_Cone theCone = gce_MakeCone(aCirc.Location(), aCircOE.Location(),
aCirc.Radius(), aCircOE.Radius());
gp_Ax3 theAx3(aCirc.Position());
@ -2846,8 +2850,6 @@ void BRepOffset_MakeOffset::MakeMissingWalls ()
theCone.SetPosition(theAx3);
theSurf = new Geom_ConicalSurface(theCone);
}
if (!theSurf.IsNull())
{
TopLoc_Location Loc;
EdgeLine2d = new Geom2d_Line(gp_Pnt2d(0., 0.), gp_Dir2d(1., 0.));
BB.UpdateEdge(anEdge, EdgeLine2d, theSurf, Loc, Precision::Confusion());
@ -2884,8 +2886,8 @@ void BRepOffset_MakeOffset::MakeMissingWalls ()
BB.Range(E4, theSurf, Loc, 0., OffsetVal);
}
NewFace = BRepLib_MakeFace(theSurf, theWire);
}
}
} //cylinder or cone
} //if both edges are arcs of circles
if (NewFace.IsNull())
{
BRepLib_MakeFace MF(theWire, Standard_True); //Only plane