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0030903: Bug in IntCurvesFace_ShapeIntersector

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When classifying the intersection point check the ON status in 3D - compare the 3D distances with 3D tolerance.
This commit is contained in:
emv 2019-08-27 10:02:26 +03:00 committed by apn
parent 87018b452a
commit 3dd193aa6d
2 changed files with 17 additions and 9 deletions
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14
src/IntCurvesFace/IntCurvesFace_Intersector.cxx
View File

@ -42,7 +42,7 @@
#include <TopoDS_Face.hxx>
#include <BRep_Tool.hxx>
#include <TopoDS.hxx>
#include <Geom2dAPI_ProjectPointOnCurve.hxx>
#include <GeomAPI_ProjectPointOnCurve.hxx>
//
static void ComputeSamplePars(const Handle(Adaptor3d_HSurface)& Hsurface,
const Standard_Integer nbsu,
@ -259,16 +259,12 @@ void IntCurvesFace_Intersector::InternalCall(const IntCurveSurface_HInter &HICS,
for(; anExp.More(); anExp.Next())
{
TopoDS_Edge anE = TopoDS::Edge(anExp.Current());
Standard_Real curtol = BRep_Tool::Tolerance(anE);
Standard_Real tol2d = Max(Hsurface->UResolution(curtol), Hsurface->VResolution(curtol));
tol2d = Max(tol2d, Tol);
Standard_Real f, l;
Handle(Geom2d_Curve) aPC = BRep_Tool::CurveOnSurface(anE, face, f, l);
Geom2dAPI_ProjectPointOnCurve aProj(Puv, aPC, f, l);
if(aProj.NbPoints() > 0)
Handle(Geom_Curve) aPC = BRep_Tool::Curve (anE, f, l);
GeomAPI_ProjectPointOnCurve aProj (HICSPointindex.Pnt(), aPC, f, l);
if (aProj.NbPoints() > 0)
{
Standard_Real d = aProj.LowerDistance();
if(d <= tol2d)
if (aProj.LowerDistance() <= maxtol3d)
{
//Nearest edge is found, state is really ON
currentstate = TopAbs_ON;

12
tests/bugs/modalg_7/bug30903 Normal file
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@ -0,0 +1,12 @@
puts "======================================================="
puts "0030903: Bug in IntCurvesFace_ShapeIntersector"
puts "======================================================="
puts ""
pload QAcommands
restore [locate_data_file bug30903_shell.brep] s
if {![regexp "status = -1" [OCC17424 s 132.319855705359 32.8066746022481 -61.4897311243957 0 -0.634115797726033 -0.77323809727294 -1]]} {
puts "Error: there must be no intersection point"
}