Py::Object TopoShapeEdgePy::getCurve() const
{
    const TopoDS_Edge& e = TopoDS::Edge(getTopoShapePtr()->_Shape);
    BRepAdaptor_Curve adapt(e);
    switch(adapt.GetType())
    {
    case GeomAbs_Line:
        {
            GeomLineSegment* line = new GeomLineSegment();
            Handle_Geom_TrimmedCurve this_curv = Handle_Geom_TrimmedCurve::DownCast
                (line->handle());
            Handle_Geom_Line this_line = Handle_Geom_Line::DownCast
                (this_curv->BasisCurve());
            this_line->SetLin(adapt.Line());
            this_curv->SetTrim(adapt.FirstParameter(), adapt.LastParameter());
            return Py::Object(new LinePy(line),true);
        }
    case GeomAbs_Circle:
        {
            GeomCircle* circle = new GeomCircle();
            Handle_Geom_Circle this_curv = Handle_Geom_Circle::DownCast
                (circle->handle());
            this_curv->SetCirc(adapt.Circle());
            //Standard_Real dd = adapt.FirstParameter();
            //Standard_Real ee = adapt.LastParameter();
            return Py::Object(new CirclePy(circle),true);
        }
    case GeomAbs_Ellipse:
        {
            GeomEllipse* elips = new GeomEllipse();
            Handle_Geom_Ellipse this_curv = Handle_Geom_Ellipse::DownCast
                (elips->handle());
            this_curv->SetElips(adapt.Ellipse());
            return Py::Object(new EllipsePy(elips),true);
        }
    case GeomAbs_Hyperbola:
        {
            GeomHyperbola* hypr = new GeomHyperbola();
            Handle_Geom_Hyperbola this_curv = Handle_Geom_Hyperbola::DownCast
                (hypr->handle());
            this_curv->SetHypr(adapt.Hyperbola());
            return Py::Object(new HyperbolaPy(hypr),true);
        }
    case GeomAbs_Parabola:
        {
            GeomParabola* parab = new GeomParabola();
            Handle_Geom_Parabola this_curv = Handle_Geom_Parabola::DownCast
                (parab->handle());
            this_curv->SetParab(adapt.Parabola());
            return Py::Object(new ParabolaPy(parab),true);
        }
    case GeomAbs_BezierCurve:
        {
            GeomBezierCurve* curve = new GeomBezierCurve(adapt.Bezier());
            return Py::Object(new BezierCurvePy(curve),true);
        }
    case GeomAbs_BSplineCurve:
        {
            GeomBSplineCurve* curve = new GeomBSplineCurve(adapt.BSpline());
            return Py::Object(new BSplineCurvePy(curve),true);
        }
    case GeomAbs_OtherCurve:
        break;
    }

    throw Py::TypeError("undefined curve type");
}
예제 #2
0
Py::Object TopoShapeEdgePy::getCurve() const
{
    const TopoDS_Edge& e = TopoDS::Edge(getTopoShapePtr()->getShape());
    BRepAdaptor_Curve adapt(e);
    switch(adapt.GetType())
    {
    case GeomAbs_Line:
        {
            static bool LineOld = true;
            static bool init = false;
            if (!init) {
                init = true;
                Base::Reference<ParameterGrp> hPartGrp = App::GetApplication().GetUserParameter()
                    .GetGroup("BaseApp")->GetGroup("Preferences")->GetGroup("Mod/Part");
                Base::Reference<ParameterGrp> hGenPGrp = hPartGrp->GetGroup("General");
                LineOld = hGenPGrp->GetBool("LineOld", false);
            }

            if (LineOld) {
                GeomLineSegment* line = new GeomLineSegment();
                Handle(Geom_TrimmedCurve) this_curv = Handle(Geom_TrimmedCurve)::DownCast
                    (line->handle());
                Handle(Geom_Line) this_line = Handle(Geom_Line)::DownCast
                    (this_curv->BasisCurve());
                this_line->SetLin(adapt.Line());
                this_curv->SetTrim(adapt.FirstParameter(), adapt.LastParameter());
                PyErr_SetString(PyExc_DeprecationWarning,
                    "For future usage 'Curve' will return 'Line' which is infinite "
                    "instead of the limited 'LineSegment'.\n"
                    "If you need a line segment then use this:\n"
                    "Part.LineSegment(edge.Curve,edge.FirstParameter,edge.LastParameter)\n"
                    "To suppress the warning set BaseApp/Preferences/Mod/Part/General/LineOld to false");
                PyErr_Print();

                return Py::Object(new LineSegmentPy(line),true); // LinePyOld
            }
            else {
                GeomLine* line = new GeomLine();
                Handle(Geom_Line) this_curv = Handle(Geom_Line)::DownCast
                    (line->handle());
                this_curv->SetLin(adapt.Line());
                return Py::Object(new LinePy(line),true);
            }
        }
    case GeomAbs_Circle:
        {
            GeomCircle* circle = new GeomCircle();
            Handle(Geom_Circle) this_curv = Handle(Geom_Circle)::DownCast
                (circle->handle());
            this_curv->SetCirc(adapt.Circle());
            //Standard_Real dd = adapt.FirstParameter();
            //Standard_Real ee = adapt.LastParameter();
            return Py::Object(new CirclePy(circle),true);
        }
    case GeomAbs_Ellipse:
        {
            GeomEllipse* elips = new GeomEllipse();
            Handle(Geom_Ellipse) this_curv = Handle(Geom_Ellipse)::DownCast
                (elips->handle());
            this_curv->SetElips(adapt.Ellipse());
            return Py::Object(new EllipsePy(elips),true);
        }
    case GeomAbs_Hyperbola:
        {
            GeomHyperbola* hypr = new GeomHyperbola();
            Handle(Geom_Hyperbola) this_curv = Handle(Geom_Hyperbola)::DownCast
                (hypr->handle());
            this_curv->SetHypr(adapt.Hyperbola());
            return Py::Object(new HyperbolaPy(hypr),true);
        }
    case GeomAbs_Parabola:
        {
            GeomParabola* parab = new GeomParabola();
            Handle(Geom_Parabola) this_curv = Handle(Geom_Parabola)::DownCast
                (parab->handle());
            this_curv->SetParab(adapt.Parabola());
            return Py::Object(new ParabolaPy(parab),true);
        }
    case GeomAbs_BezierCurve:
        {
            GeomBezierCurve* curve = new GeomBezierCurve(adapt.Bezier());
            return Py::Object(new BezierCurvePy(curve),true);
        }
    case GeomAbs_BSplineCurve:
        {
            GeomBSplineCurve* curve = new GeomBSplineCurve(adapt.BSpline());
            return Py::Object(new BSplineCurvePy(curve),true);
        }
#if OCC_VERSION_HEX >= 0x070000
    case GeomAbs_OffsetCurve:
        {
            Standard_Real first, last;
            Handle(Geom_Curve) c = BRep_Tool::Curve(e, first, last);
            Handle(Geom_OffsetCurve) off = Handle(Geom_OffsetCurve)::DownCast(c);
            if (!off.IsNull()) {
                GeomOffsetCurve* curve = new GeomOffsetCurve(off);
                return Py::Object(new OffsetCurvePy(curve),true);
            }
            else {
                throw Py::RuntimeError("Failed to convert to offset curve");
            }
        }
#endif
    case GeomAbs_OtherCurve:
        break;
    }

    throw Py::TypeError("undefined curve type");
}