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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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120
src/BRepOffset/BRepOffset_MakeOffset.cxx
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@ -2827,65 +2827,67 @@ void BRepOffset_MakeOffset::MakeMissingWalls ()
Standard_Boolean IsPlanar = Standard_False;
if (BAcurve.GetType() == GeomAbs_Circle &&
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_Cone theCone = gce_MakeCone(aCirc.Location(), aCircOE.Location(),
aCirc.Radius(), aCircOE.Radius());
gp_Ax3 theAx3(aCirc.Position());
if (CircAxisDir * theCone.Axis().Direction() < 0.)
{
theAx3.ZReverse();
CircAxisDir.Reverse();
}
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());
Standard_Real Coeff = (OffsetDir * CircAxisDir > 0.)? 1. : -1.;
OELine2d = new Geom2d_Line(gp_Pnt2d(0., OffsetVal*Coeff), gp_Dir2d(1., 0.));
BB.UpdateEdge(OE, OELine2d, theSurf, Loc, Precision::Confusion());
aLine2d = new Geom2d_Line(gp_Pnt2d(ParV2, 0.), gp_Dir2d(0., Coeff));
aLine2d2 = new Geom2d_Line(gp_Pnt2d(ParV1, 0.), gp_Dir2d(0., Coeff));
if (E3.IsSame(E4))
{
if (Coeff > 0.)
BB.UpdateEdge(E3, aLine2d, aLine2d2, theSurf, Loc, Precision::Confusion());
else
{
BB.UpdateEdge(E3, aLine2d2, aLine2d, theSurf, Loc, Precision::Confusion());
theWire.Nullify();
BB.MakeWire(theWire);
BB.Add(theWire, anEdge.Oriented(TopAbs_REVERSED));
BB.Add(theWire, E4);
BB.Add(theWire, OE.Oriented(TopAbs_FORWARD));
BB.Add(theWire, E3);
theWire.Closed(Standard_True);
}
}
else
{
BB.SameParameter(E3, Standard_False);
BB.SameRange(E3, Standard_False);
BB.SameParameter(E4, Standard_False);
BB.SameRange(E4, Standard_False);
BB.UpdateEdge(E3, aLine2d, theSurf, Loc, Precision::Confusion());
BB.Range(E3, theSurf, Loc, 0., OffsetVal);
BB.UpdateEdge(E4, aLine2d2, theSurf, Loc, Precision::Confusion());
BB.Range(E4, theSurf, Loc, 0., OffsetVal);
}
NewFace = BRepLib_MakeFace(theSurf, theWire);
}
}
{
gp_Circ aCirc = BAcurve.Circle();
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());
if (CircAxisDir * theCone.Axis().Direction() < 0.)
{
theAx3.ZReverse();
CircAxisDir.Reverse();
}
theCone.SetPosition(theAx3);
theSurf = new Geom_ConicalSurface(theCone);
}
TopLoc_Location Loc;
EdgeLine2d = new Geom2d_Line(gp_Pnt2d(0., 0.), gp_Dir2d(1., 0.));
BB.UpdateEdge(anEdge, EdgeLine2d, theSurf, Loc, Precision::Confusion());
Standard_Real Coeff = (OffsetDir * CircAxisDir > 0.)? 1. : -1.;
OELine2d = new Geom2d_Line(gp_Pnt2d(0., OffsetVal*Coeff), gp_Dir2d(1., 0.));
BB.UpdateEdge(OE, OELine2d, theSurf, Loc, Precision::Confusion());
aLine2d = new Geom2d_Line(gp_Pnt2d(ParV2, 0.), gp_Dir2d(0., Coeff));
aLine2d2 = new Geom2d_Line(gp_Pnt2d(ParV1, 0.), gp_Dir2d(0., Coeff));
if (E3.IsSame(E4))
{
if (Coeff > 0.)
BB.UpdateEdge(E3, aLine2d, aLine2d2, theSurf, Loc, Precision::Confusion());
else
{
BB.UpdateEdge(E3, aLine2d2, aLine2d, theSurf, Loc, Precision::Confusion());
theWire.Nullify();
BB.MakeWire(theWire);
BB.Add(theWire, anEdge.Oriented(TopAbs_REVERSED));
BB.Add(theWire, E4);
BB.Add(theWire, OE.Oriented(TopAbs_FORWARD));
BB.Add(theWire, E3);
theWire.Closed(Standard_True);
}
}
else
{
BB.SameParameter(E3, Standard_False);
BB.SameRange(E3, Standard_False);
BB.SameParameter(E4, Standard_False);
BB.SameRange(E4, Standard_False);
BB.UpdateEdge(E3, aLine2d, theSurf, Loc, Precision::Confusion());
BB.Range(E3, theSurf, Loc, 0., OffsetVal);
BB.UpdateEdge(E4, aLine2d2, theSurf, Loc, Precision::Confusion());
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