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0025104: Prism from BSpline curve can not be chamfered

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Protection from zero-length vectors has been added.
This commit is contained in:
aml 2017-11-02 12:08:18 +03:00 committed by bugmaster
parent f16a6cc5aa
commit 90f0fdad2a
5 changed files with 16 additions and 14 deletions
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3
src/IntCurveSurface/IntCurveSurface_Inter.gxx
View File

@ -1436,7 +1436,8 @@ void IntCurveSurface_ComputeTransitions(const TheCurve& curve,
NSurf = D1U.Crossed(D1V);
TheCurveTool::D1(curve,w,Psurf,D1U);
Standard_Real Norm = NSurf.Magnitude();
if(Norm>TOLERANCE_ANGULAIRE) {
if(Norm>TOLERANCE_ANGULAIRE &&
D1U.SquareMagnitude() > TOLERANCE_ANGULAIRE) {
D1U.Normalize();
CosDir = NSurf.Dot(D1U);
CosDir/=Norm;

21
src/IntTools/IntTools_EdgeEdge.cxx
View File

@ -996,15 +996,22 @@ Standard_Boolean IntTools_EdgeEdge::IsIntersection(const Standard_Real aT11,
}
//
Standard_Real anAngleCriteria;
Standard_Real anAngle1, anAngle2;
Standard_Real anAngle1 = 0.0,
anAngle2 = 0.0;
//
anAngleCriteria = 5.e-3;
if (bSmall_11_21 && bSmall_12_22) {
anAngle1 = aV11.Angle(aV21);
anAngle2 = aV12.Angle(aV22);
} else {
anAngle1 = aV11.Angle(aV22);
anAngle2 = aV12.Angle(aV21);
if (aV11.SquareMagnitude() > Precision::SquareConfusion() &&
aV12.SquareMagnitude() > Precision::SquareConfusion() &&
aV21.SquareMagnitude() > Precision::SquareConfusion() &&
aV22.SquareMagnitude() > Precision::SquareConfusion() )
{
if (bSmall_11_21 && bSmall_12_22) {
anAngle1 = aV11.Angle(aV21);
anAngle2 = aV12.Angle(aV22);
} else {
anAngle1 = aV11.Angle(aV22);
anAngle2 = aV12.Angle(aV21);
}
}
//
if (((anAngle1 < anAngleCriteria) || ((M_PI - anAngle1) < anAngleCriteria)) ||

2
tests/bugs/modalg_7/bug25104
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@ -1,5 +1,3 @@
puts "TODO OCC25104 Windows: ERROR: OCC25104 is reproduced."
puts "========"
puts "OCC25104"
puts "========"

2
tests/bugs/moddata_3/bug25693_1
View File

@ -1,5 +1,3 @@
puts "TODO OCC25693 Windows: Wire of BSplines fails bopcheck"
puts "============"
puts "OCC25693"
puts "============"

2
tests/bugs/moddata_3/bug25693_2
View File

@ -1,5 +1,3 @@
puts "TODO OCC25693 Windows: Wire of BSplines fails bopcheck"
puts "============"
puts "OCC25693"
puts "============"