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0025380: Intersection curve cannot reach boundary of surface

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Changed next point computation in point walker. Now trying to walk over another isoline if new point is too close to previous.
This commit is contained in:
aml 2014-10-23 15:43:31 +04:00
parent a5a0a4399f
commit 95ee0712bc
1 changed files with 37 additions and 1 deletions
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38
src/IntWalk/IntWalk_PWalking_1.gxx
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@ -774,7 +774,43 @@ void IntWalk_PWalking::Perform(const TColStd_Array1OfReal& ParDep,
SvParam[2]=Param(3);
SvParam[3]=Param(4);
//
ChoixIso= myIntersectionOn2S.Perform(Param, Rsnld, ChoixIso);
Standard_Integer aTryNumber = 0;
Standard_Real isBadPoint = Standard_False;
IntImp_ConstIsoparametric aBestIso = ChoixIso;
do
{
isBadPoint = Standard_False;
ChoixIso= myIntersectionOn2S.Perform(Param, Rsnld, aBestIso);
if (myIntersectionOn2S.IsDone() && !myIntersectionOn2S.IsEmpty())
{
Standard_Real aNewPnt[4], anAbsParamDist[4];
myIntersectionOn2S.Point().Parameters(aNewPnt[0], aNewPnt[1], aNewPnt[2], aNewPnt[3]);
if (aNewPnt[0] < u1min || aNewPnt[0] > u1max ||
aNewPnt[1] < v1min || aNewPnt[1] > v1max ||
aNewPnt[2] < u2min || aNewPnt[2] > u2max ||
aNewPnt[3] < v2min || aNewPnt[3] > v2max)
{
break; // Out of borders, handle this later.
}
anAbsParamDist[0] = Abs(Param(1) - dP1 - aNewPnt[0]);
anAbsParamDist[1] = Abs(Param(2) - dP2 - aNewPnt[1]);
anAbsParamDist[2] = Abs(Param(3) - dP3 - aNewPnt[2]);
anAbsParamDist[3] = Abs(Param(4) - dP4 - aNewPnt[3]);
if (anAbsParamDist[0] < ResoU1 &&
anAbsParamDist[1] < ResoV1 &&
anAbsParamDist[2] < ResoU2 &&
anAbsParamDist[3] < ResoV2 &&
Status != IntWalk_PasTropGrand)
{
isBadPoint = Standard_True;
aBestIso = IntImp_ConstIsoparametric((aBestIso + 1) % 4);
}
}
} while (isBadPoint && ++aTryNumber <= 4);
//
if (!myIntersectionOn2S.IsDone())
{