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0027299: Incorrect result of the normal projection algorithm

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Curve splitting is added to handle seam passing by initial curve.
test cases are added.

Minor corrections.
This commit is contained in:
aml
2016-03-25 13:10:12 +03:00
committed by bugmaster
parent 58e14d59e7
commit 5333268def
8 changed files with 408 additions and 55 deletions
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18
src/Extrema/Extrema_GenExtCC.gxx
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@@ -194,12 +194,21 @@ void Extrema_GenExtCC::Perform()
Curve2 &C2 = *(Curve2*)myC[1];
Standard_Integer aNbInter[2];
aNbInter[0] = C1.NbIntervals(GeomAbs_C2);
aNbInter[1] = C2.NbIntervals(GeomAbs_C2);
GeomAbs_Shape aContinuity = GeomAbs_C2;
aNbInter[0] = C1.NbIntervals(aContinuity);
aNbInter[1] = C2.NbIntervals(aContinuity);
if (aNbInter[0] * aNbInter[1] > 100)
{
aContinuity = GeomAbs_C1;
aNbInter[0] = C1.NbIntervals(aContinuity);
aNbInter[1] = C2.NbIntervals(aContinuity);
}
TColStd_Array1OfReal anIntervals1(1, aNbInter[0] + 1);
TColStd_Array1OfReal anIntervals2(1, aNbInter[1] + 1);
C1.Intervals(anIntervals1, GeomAbs_C2);
C2.Intervals(anIntervals2, GeomAbs_C2);
C1.Intervals(anIntervals1, aContinuity);
C2.Intervals(anIntervals2, aContinuity);
// Lipchitz constant approximation.
Standard_Real aLC = 9.0; // Default value.
@@ -226,6 +235,7 @@ void Extrema_GenExtCC::Perform()
Extrema_GlobOptFuncCCC2 aFunc (C1, C2);
math_GlobOptMin aFinder(&aFunc, myLowBorder, myUppBorder, aLC);
aFinder.SetLipConstState(isConstLockedFlag);
aFinder.SetContinuity(aContinuity == GeomAbs_C2 ? 2 : 1);
Standard_Real aDiscTol = 1.0e-2;
Standard_Real aValueTol = 1.0e-2;
Standard_Real aSameTol = myCurveMinTol / (aDiscTol);