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Add support for ellipses with SemiAxis2 > SemiAxis1

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This commit is contained in:
Thomas Krijnen
2014-03-03 19:07:39 +00:00
parent 05c98de100
commit ec2ed06272
4 changed files with 556 additions and 2 deletions
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src/ifcgeom/IfcGeomWires.cpp
+10
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@@ -243,6 +243,16 @@ bool IfcGeom::convert(const IfcSchema::IfcTrimmedCurve::ptr l, TopoDS_Wire& wire
const double magnitude = line->Dir()->Magnitude();
flts[0] *= magnitude; flts[1] *= magnitude;
}
if ( basis_curve->is(IfcSchema::Type::IfcEllipse) ) {
IfcSchema::IfcEllipse* ellipse = static_cast<IfcSchema::IfcEllipse*>(basis_curve);
double x = ellipse->SemiAxis1() * IfcGeom::GetValue(GV_LENGTH_UNIT);
double y = ellipse->SemiAxis2() * IfcGeom::GetValue(GV_LENGTH_UNIT);
const bool rotated = y > x;
if (rotated) {
flts[0] -= M_PI / 2.;
flts[1] -= M_PI / 2.;
}
}
if ( isConic && ALMOST_THE_SAME(fmod(flts[1]-flts[0],(double)(M_PI*2.0)),0.0f) ) {
w.Add(BRepBuilderAPI_MakeEdge(curve));
} else {