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Do not trim conical curves if the difference between parametric values is 2pi

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This commit is contained in:
Thomas Krijnen
2012-01-02 14:56:11 +00:00
parent 60aa198a0a
commit 798397fa21
1 changed files with 10 additions and 2 deletions
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src/ifcgeom/IfcGeomWires.cpp
+10 -2
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@@ -167,14 +167,22 @@ bool IfcGeom::convert(const Ifc2x3::IfcTrimmedCurve::ptr l, TopoDS_Wire& wire) {
gp_Pnt pnt2;
IfcGeom::convert(reinterpret_pointer_cast<IfcUtil::IfcAbstractSelect,Ifc2x3::IfcCartesianPoint>(i), pnt2 );
BRepBuilderAPI_MakeEdge e (curve,pnt1,pnt2);
if ( ! e.IsDone() ) {
BRepBuilderAPI_EdgeError err = e.Error();
return false;
}
w.Add(e.Edge());
trimmed2 = true;
break;
} else if ( i->is(Ifc2x3::Type::IfcParameterValue) && !trim_cartesian && trimmed1 ) {
const float value = *reinterpret_pointer_cast<IfcUtil::IfcAbstractSelect,IfcUtil::IfcArgumentSelect>(i)->wrappedValue();
float flt2 = value * parameterFactor;
BRepBuilderAPI_MakeEdge e (curve,sense_agreement ? flt1 : flt2,sense_agreement ? flt2 : flt1);
w.Add(e.Edge());
if ( isConic && ALMOST_THE_SAME(fmod(flt2-flt1,(float)(PI*2.0)),0.0f) ) {
w.Add(BRepBuilderAPI_MakeEdge(curve));
} else {
BRepBuilderAPI_MakeEdge e (curve,sense_agreement ? flt1 : flt2,sense_agreement ? flt2 : flt1);
w.Add(e.Edge());
}
trimmed2 = true;
break;
}