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0030703: Modeling Algorithms - Intersector returns overlapping curves

Browse Source 
IntPatch/IntPatch_ImpPrmIntersection.cxx - calculation of step depending on resolution of surface

IntWalk_IWalking_6.gxx - calculation of point-line coincidence is improved

Correction of tests according to current results

lowalgos/intss/bug30703 - new test case added
This commit is contained in:
ifv
2020-11-05 15:28:17 +03:00
committed by bugmaster
parent 9ab58ebf65
commit 9a640cbe72
8 changed files with 76 additions and 13 deletions
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12
src/IntWalk/IntWalk_IWalking_6.gxx
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@@ -182,6 +182,7 @@ Standard_Boolean IntWalk_IWalking::IsPointOnLine(const IntSurf_PntOn2S& thePOn2S
math_FunctionSetRoot& theSolver,
TheIWFunction& theFunc)
{
const Standard_Real eps = Epsilon(1.);
const gp_Pnt &aP3d = thePOn2S.Value();
for (Standard_Integer aLIdx = 1; aLIdx <= lines.Length(); aLIdx++)
@@ -212,12 +213,10 @@ Standard_Boolean IntWalk_IWalking::IsPointOnLine(const IntSurf_PntOn2S& thePOn2S
Standard_Real aSqD = RealLast();
if (aDP < 0.0)
{
//aSqD = aP1P.SquareModulus();
continue;
}
else if (aDP > aSq12)
{
//aSqD = (aP3d.XYZ() - aP2.XYZ()).SquareModulus();
continue;
}
else
@@ -232,6 +231,11 @@ Standard_Boolean IntWalk_IWalking::IsPointOnLine(const IntSurf_PntOn2S& thePOn2S
const Standard_Real aL1 = aDP / aSq12;
const Standard_Real aL2 = 1.0 - aL1;
if (aL1 < eps || aL2 < eps)
{
return Standard_True;
}
Standard_Real aU1, aV1, aU2, aV2;
aL->Value(aPtIdx).ParametersOnSurface(reversed, aU1, aV1);
aL->Value(aPtIdx + 1).ParametersOnSurface(reversed, aU2, aV2);
@@ -241,7 +245,7 @@ Standard_Boolean IntWalk_IWalking::IsPointOnLine(const IntSurf_PntOn2S& thePOn2S
}
}
if (aMinSqDist == RealLast())
if (aMinSqDist > Precision::Infinite())
continue;
math_Vector aVecPrms(1, 2);
@@ -257,7 +261,7 @@ Standard_Boolean IntWalk_IWalking::IsPointOnLine(const IntSurf_PntOn2S& thePOn2S
aPb(theFunc.PSurface()->Value(aVecPrms(1), aVecPrms(2)));
const Standard_Real aSqD1 = aPb.SquareDistance(aP3d);
const Standard_Real aSqD2 = aPa.SquareDistance(aPb);
if (aSqD1 < 4.0*aSqD2)
{
return Standard_True;