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0027441: The method IntTools_Context::IsVertexOnLine incorrectly computes parameter of the point on the curve

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Choosing the closest bound to the checking point.
This commit is contained in:
emv
2016-04-27 16:28:52 +03:00
committed by apn
parent 320a322080
commit 416022a12f
2 changed files with 32 additions and 7 deletions
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23
src/IntTools/IntTools_Context.cxx
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@@ -840,14 +840,19 @@ Standard_Boolean IntTools_Context::IsVertexOnLine
aFirst=aC3D->FirstParameter();
aLast =aC3D->LastParameter();
//
//Checking extermities first
// Checking extermities first
// It is necessary to chose the closest bound to the point
Standard_Boolean bFirstValid = Standard_False;
Standard_Real aFirstDist = Precision::Infinite();
//
if (!Precision::IsInfinite(aFirst)) {
gp_Pnt aPCFirst=aC3D->Value(aFirst);
aDist=aPv.Distance(aPCFirst);
if (aDist < aTolSum) {
aFirstDist = aPv.Distance(aPCFirst);
if (aFirstDist < aTolSum) {
bFirstValid = Standard_True;
aT=aFirst;
//
if(aDist > aTolV) {
if (aFirstDist > aTolV) {
Extrema_LocateExtPC anExt(aPv, aGAC, aFirst, 1.e-10);
if(anExt.IsDone()) {
@@ -889,15 +894,16 @@ Standard_Boolean IntTools_Context::IsVertexOnLine
}
}
//
return Standard_True;
}
}
//
//if (!Precision::IsInfinite(aFirst)) {
if (!Precision::IsInfinite(aLast)) {
gp_Pnt aPCLast=aC3D->Value(aLast);
aDist=aPv.Distance(aPCLast);
if (bFirstValid && (aFirstDist < aDist)) {
return Standard_True;
}
//
if (aDist < aTolSum) {
aT=aLast;
//
@@ -946,6 +952,9 @@ Standard_Boolean IntTools_Context::IsVertexOnLine
return Standard_True;
}
}
else if (bFirstValid) {
return Standard_True;
}
//
GeomAPI_ProjectPointOnCurve& aProjector=ProjPT(aC3D);
aProjector.Perform(aPv);