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add method to extract pcurve from an edge

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This commit is contained in:
wmayer
2016-11-26 19:28:06 +01:00
parent 4ec78d36a8
commit 86b99e55dc
6 changed files with 191 additions and 71 deletions
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49
src/Mod/Part/App/Geometry2d.cpp
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@@ -23,7 +23,7 @@
#include "PreCompiled.h"
#ifndef _PreComp_
# include <BRepBuilderAPI_MakeEdge.hxx>
# include <BRepBuilderAPI_MakeEdge2d.hxx>
# include <BRepBuilderAPI_MakeVertex.hxx>
# include <Geom2dConvert_CompCurveToBSplineCurve.hxx>
# include <Geom2dAPI_Interpolate.hxx>
@@ -135,11 +135,13 @@ Geom2dPoint::~Geom2dPoint()
{
}
TopoDS_Shape Geom2dPoint::toShape(const Handle_Geom_Surface& hSurface) const
TopoDS_Shape Geom2dPoint::toShape() const
{
Handle_Geom2d_CartesianPoint c = Handle_Geom2d_CartesianPoint::DownCast(handle());
gp_Pnt2d xy = c->Pnt2d();
gp_Pnt pnt = hSurface->Value(xy.X(), xy.Y());
gp_Pnt pnt;
pnt.SetX(xy.X());
pnt.SetY(xy.Y());
BRepBuilderAPI_MakeVertex mkBuilder(pnt);
return mkBuilder.Shape();
}
@@ -223,10 +225,10 @@ Geom2dCurve::~Geom2dCurve()
{
}
TopoDS_Shape Geom2dCurve::toShape(const Handle_Geom_Surface& hSurface) const
TopoDS_Shape Geom2dCurve::toShape() const
{
Handle_Geom2d_Curve c = Handle_Geom2d_Curve::DownCast(handle());
BRepBuilderAPI_MakeEdge mkBuilder(c, hSurface);
BRepBuilderAPI_MakeEdge2d mkBuilder(c);
return mkBuilder.Shape();
}
@@ -2271,3 +2273,40 @@ PyObject *Geom2dTrimmedCurve::getPyObject(void)
PyErr_SetString(PyExc_RuntimeError, "Unknown curve type");
return 0;
}
// ------------------------------------------------------------------
namespace Part {
std::unique_ptr<Geom2dCurve> getCurve2dFromGeom2d(Handle_Geom2d_Curve curve)
{
std::unique_ptr<Geom2dCurve> geo2d;
if (curve.IsNull())
return geo2d;
if (curve->IsKind(STANDARD_TYPE (Geom2d_Parabola))) {
geo2d.reset(new Geom2dParabola(Handle_Geom2d_Parabola::DownCast(curve)));
}
else if (curve->IsKind(STANDARD_TYPE (Geom2d_Hyperbola))) {
geo2d.reset(new Geom2dHyperbola(Handle_Geom2d_Hyperbola::DownCast(curve)));
}
else if (curve->IsKind(STANDARD_TYPE (Geom2d_Ellipse))) {
geo2d.reset(new Geom2dEllipse(Handle_Geom2d_Ellipse::DownCast(curve)));
}
else if (curve->IsKind(STANDARD_TYPE (Geom2d_Circle))) {
geo2d.reset(new Geom2dCircle(Handle_Geom2d_Circle::DownCast(curve)));
}
else if (curve->IsKind(STANDARD_TYPE (Geom2d_Line))) {
geo2d.reset(new Geom2dLine(Handle_Geom2d_Line::DownCast(curve)));
}
else if (curve->IsKind(STANDARD_TYPE (Geom2d_BSplineCurve))) {
geo2d.reset(new Geom2dBSplineCurve(Handle_Geom2d_BSplineCurve::DownCast(curve)));
}
else if (curve->IsKind(STANDARD_TYPE (Geom2d_BezierCurve))) {
geo2d.reset(new Geom2dBezierCurve(Handle_Geom2d_BezierCurve::DownCast(curve)));
}
else if (curve->IsKind(STANDARD_TYPE (Geom2d_TrimmedCurve))) {
geo2d.reset(new Geom2dTrimmedCurve(Handle_Geom2d_TrimmedCurve::DownCast(curve)));
}
return geo2d;
}
}