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Part: [skip ci] get n-th derivative of a surface via Python

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This commit is contained in:
wmayer
2020-05-18 13:17:26 +02:00
parent a4367d0585
commit 1d8235c234
2 changed files with 56 additions and 0 deletions
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46
src/Mod/Part/App/GeometrySurfacePyImp.cpp
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@@ -281,6 +281,52 @@ PyObject* GeometrySurfacePy::toShape(PyObject *args)
return 0;
}
PyObject* GeometrySurfacePy::getD0(PyObject *args)
{
Handle(Geom_Geometry) g = getGeometryPtr()->handle();
Handle(Geom_Surface) s = Handle(Geom_Surface)::DownCast(g);
try {
if (!s.IsNull()) {
double u,v;
if (!PyArg_ParseTuple(args, "dd", &u, &v))
return nullptr;
gp_Pnt p;
s->D0(u, v, p);
return new Base::VectorPy(Base::Vector3d(p.X(),p.Y(),p.Z()));
}
}
catch (Standard_Failure& e) {
PyErr_SetString(PartExceptionOCCError, e.GetMessageString());
return nullptr;
}
PyErr_SetString(PartExceptionOCCError, "Geometry is not a surface");
return nullptr;
}
PyObject* GeometrySurfacePy::getDN(PyObject *args)
{
Handle(Geom_Geometry) g = getGeometryPtr()->handle();
Handle(Geom_Surface) s = Handle(Geom_Surface)::DownCast(g);
try {
if (!s.IsNull()) {
int nu, nv;
double u,v;
if (!PyArg_ParseTuple(args, "ddii", &u, &v, &nu, &nv))
return nullptr;
gp_Vec v1 = s->DN(u, v, nu, nv);
return new Base::VectorPy(Base::Vector3d(v1.X(),v1.Y(),v1.Z()));
}
}
catch (Standard_Failure& e) {
PyErr_SetString(PartExceptionOCCError, e.GetMessageString());
return nullptr;
}
PyErr_SetString(PartExceptionOCCError, "Geometry is not a surface");
return nullptr;
}
PyObject* GeometrySurfacePy::value(PyObject *args)
{
Handle(Geom_Geometry) g = getGeometryPtr()->handle();