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0026351: Wrong result found by the projection algorithm

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C2 continuity intervals changed to Knots intervals in case of Bspline curve.
Fixed incorrect extremaPC usage.

Test case for issue CR26351
Update of test-cases according to the new behavior
This commit is contained in:
aml
2015-06-24 15:44:28 +03:00
committed by bugmaster
parent e03bdee2e1
commit c8bf1eb747
43 changed files with 405 additions and 203 deletions
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26
src/ProjLib/ProjLib_ProjectedCurve.cxx
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@@ -494,9 +494,16 @@ void ProjLib_ProjectedCurve::Load(const Handle(Adaptor3d_HCurve)& C)
Extrema_ExtPC anExtr(P, mySurface->BasisCurve()->Curve(), myTolerance);
if (anExtr.IsDone())
{
Standard_Integer anIndex = 1;
while (!anExtr.IsMin(anIndex) && anIndex < anExtr.NbExt()) anIndex++;
Vsingular[0] = anExtr.Point(anIndex).Parameter();
Standard_Real aMinDist = RealLast();
for(Standard_Integer anIdx = 1; anIdx <= anExtr.NbExt(); anIdx++)
{
if (anExtr.IsMin(anIdx) &&
anExtr.SquareDistance(anIdx) < aMinDist)
{
aMinDist = anExtr.SquareDistance(anIdx);
Vsingular[0] = anExtr.Point(anIdx).Parameter();
}
}
}
else
Vsingular[0] = ElCLib::Parameter(L, P);
@@ -513,9 +520,16 @@ void ProjLib_ProjectedCurve::Load(const Handle(Adaptor3d_HCurve)& C)
Extrema_ExtPC anExtr(P, mySurface->BasisCurve()->Curve(), myTolerance);
if (anExtr.IsDone())
{
Standard_Integer anIndex = 1;
while (!anExtr.IsMin(anIndex) && anIndex < anExtr.NbExt()) anIndex++;
Vsingular[1] = anExtr.Point(anIndex).Parameter();
Standard_Real aMinDist = RealLast();
for(Standard_Integer anIdx = 1; anIdx <= anExtr.NbExt(); anIdx++)
{
if (anExtr.IsMin(anIdx) &&
anExtr.SquareDistance(anIdx) < aMinDist)
{
aMinDist = anExtr.SquareDistance(anIdx);
Vsingular[1] = anExtr.Point(anIdx).Parameter();
}
}
}
else
Vsingular[1] = ElCLib::Parameter(L, P);