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0022588: Revolution with negative volume in some cases.

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PKV 2011-08-11 12:04:41 +00:00 committed by bugmaster
parent ed0d16d8ea
commit 3d4fe6dafc
1 changed files with 53 additions and 6 deletions
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59
src/BRepSweep/BRepSweep_Rotation.cxx
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@ -627,15 +627,61 @@ void BRepSweep_Rotation::SetDirectingPCurve
thePCurve);
}
//modified by NIZNHY-PKV Tue Jun 14 08:33:55 2011f
//=======================================================================
//function : DirectSolid
//purpose :
//=======================================================================
TopAbs_Orientation BRepSweep_Rotation::DirectSolid
(const TopoDS_Shape& aGenS,
const Sweep_NumShape&)
TopAbs_Orientation
BRepSweep_Rotation::DirectSolid (const TopoDS_Shape& aGenS,
const Sweep_NumShape&)
{ // compare the face normal and the direction
Standard_Real aU1, aU2, aV1, aV2, aUx, aVx, aX, aMV2, aTol2, aTx;
TopAbs_Orientation aOr;
gp_Pnt aP;
gp_Vec du,dv;
BRepAdaptor_Surface surf(TopoDS::Face(aGenS));
//
aTol2=Precision::Confusion();
aTol2=aTol2*aTol2;
//
const gp_Pnt& aPAxeLoc=myAxe.Location();
const gp_Dir& aPAxeDir=myAxe.Direction();
//
aU1=surf.FirstUParameter();
aU2=surf.LastUParameter();
aV1=surf.FirstVParameter();
aV2=surf.LastVParameter();
//
aTx=0.5;
aUx=aTx*(aU1+aU2);
aVx=aTx*(aV1+aV2);
surf.D1(aUx, aVx, aP, du, dv);
//
gp_Vec aV(aPAxeLoc, aP);
aV.Cross(aPAxeDir);
aMV2=aV.SquareMagnitude();
if (aMV2<aTol2) {
aTx=0.43213918;
aUx=aU1*(1.-aTx)+aU2*aTx;
aVx=aV1*(1.-aTx)+aV2*aTx;
surf.D1(aUx, aVx, aP, du, dv);
aV.SetXYZ(aP.XYZ()-aPAxeLoc.XYZ());
aV.Cross(aPAxeDir);
}
//
aX = aV.DotCross(du, dv);
aOr = (aX > 0.) ? TopAbs_FORWARD : TopAbs_REVERSED;
return aOr;
}
/*
//=======================================================================
//function : DirectSolid
//purpose :
//=======================================================================
TopAbs_Orientation
BRepSweep_Rotation::DirectSolid (const TopoDS_Shape& aGenS,
const Sweep_NumShape&)
{
// compare the face normal and the direction
BRepAdaptor_Surface surf(TopoDS::Face(aGenS));
@ -651,7 +697,8 @@ TopAbs_Orientation BRepSweep_Rotation::DirectSolid
TopAbs_Orientation orient = (x > 0) ? TopAbs_FORWARD : TopAbs_REVERSED;
return orient;
}
*/
//modified by NIZNHY-PKV Tue Jun 14 08:33:59 2011t
//=======================================================================
//function : GGDShapeIsToAdd