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0030944: [Regression to 7.0.0] Modeling Algorithms - Intersection curves between pair of faces are not found

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IntPatch_ImpPrmIntersection.cxx: treatment of coinciding lines is improved
IntWalk_IWalking_1.gxx: bug correction
bug30944 : test case added
This commit is contained in:
ifv
2020-04-20 15:44:28 +03:00
parent 4c7a3faef5
commit 9c4214b416
4 changed files with 45 additions and 12 deletions
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21
src/IntPatch/IntPatch_ImpPrmIntersection.cxx
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@@ -3138,6 +3138,8 @@ Standard_Boolean IsCoincide(IntPatch_TheSurfFunction& theFunc,
const Standard_Real theToler2D,
const Standard_Real thePeriod) // Period of parametric surface in direction which is perpendicular to theArc direction.
{
const Standard_Real aCoeffs[] = { 0.02447174185, 0.09549150281, 0.20610737385, 0.34549150281, /*Sin(x)*Sin(x)*/
0.5, 0.65450849719, 0.79389262615 };
if(theLine->ArcType() == IntPatch_Restriction)
{//Restriction-restriction processing
const Handle(IntPatch_RLine)& aRL2 = Handle(IntPatch_RLine)::DownCast(theLine);
@@ -3226,13 +3228,13 @@ Standard_Boolean IsCoincide(IntPatch_TheSurfFunction& theFunc,
const Standard_Real aUl = aPmin.X(), aVl = aPmin.Y();
const Standard_Integer aNbPoints = 4;
const Standard_Real aStepU = (aUl - aUf)/aNbPoints,
aStepV = (aVl - aVf)/aNbPoints;
Standard_Real aU = aUf+aStepU, aV = aVf+aStepV;
for(Standard_Integer i = 1; i < aNbPoints; i++)
Standard_Real aU, aV;
Standard_Real dU = aUl - aUf, dV = aVl - aVf;
for(Standard_Integer i = 0; i < 7; i++)
{
aU = aUf + aCoeffs[i] * dU;
aV = aVf + aCoeffs[i] * dV;
aX.Value(1) = aU;
aX.Value(2) = aV;
@@ -3241,13 +3243,10 @@ Standard_Boolean IsCoincide(IntPatch_TheSurfFunction& theFunc,
return Standard_False;
}
if(Abs(aVal(1)) > theToler3D)
if(Abs(theFunc.Root()) > theToler3D)
{
return Standard_False;
}
aU += aStepU;
aV += aStepV;
}
}
}