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0024549: Faulty shape after IGES translation with xstep.cascade.unit set to M

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pcurve as line isn't created to avoid incorrect parameterization
Test case for issue CR24549

Test cases were corrected according to their new behavior
This commit is contained in:
ibs
2014-03-20 14:59:22 +04:00
committed by bugmaster
parent e6804ff7c0
commit 630ab8c7fe
495 changed files with 984 additions and 913 deletions
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29
src/ShapeConstruct/ShapeConstruct_ProjectCurveOnSurface.cxx
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@@ -981,35 +981,6 @@ Standard_Boolean ShapeConstruct_ProjectCurveOnSurface::PerformAdvanced (Handle(G
c2d = new Geom2d_Line(P0, aDir2d);
}
if(c2d.IsNull()) {
// try create line using pnt2d
Standard_Boolean IsLine = Standard_True;
Standard_Integer NbPnt2d = pnt2d.Length();
if(NbPnt2d >1) {
Standard_Real dist = pnt2d(1).SquareDistance(pnt2d(NbPnt2d));
Standard_Real dPreci = Precision::PConfusion()*Precision::PConfusion();
if(dist >= dPreci) {
gp_Vec2d avec (pnt2d(1),pnt2d(NbPnt2d));
gp_Dir2d adir (avec);
gp_Lin2d alin (pnt2d(1),adir);
for(i = 2; i < NbPnt2d; i++) {
Standard_Real devia = alin.SquareDistance(pnt2d(i));
Standard_Real dist2 = pnt2d(1).SquareDistance(pnt2d(i));
Standard_Real step = pnt2d(1).Distance(pnt2d(NbPnt2d))/(NbPnt2d-1);
Standard_Real ddist = Abs(pnt2d(1).Distance(pnt2d(i))-step*(i-1));
if( devia>dPreci || (dist2-dist)>dPreci || ddist>1.e-3*step ) {
IsLine = Standard_False;
i = NbPnt2d;
}
}
if(IsLine) {
Handle(Geom2d_Line) g2l = new Geom2d_Line(alin);
c2d = new Geom2d_TrimmedCurve(g2l,0,pnt2d(1).Distance(pnt2d(NbPnt2d)));
}
}
}
}
return isDone;
}