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+ add methods to get GProps from curves and surfaces

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This commit is contained in:
wmayer
2015-03-22 18:39:49 +01:00
parent f6e36c49fd
commit 897591f765
8 changed files with 514 additions and 21 deletions
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70
src/Mod/Part/App/TopoShapeFacePyImp.cpp
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@@ -61,6 +61,7 @@
#include <BRepPrimAPI_MakeHalfSpace.hxx>
#include <BRepGProp.hxx>
#include <GProp_GProps.hxx>
#include <GProp_PrincipalProps.hxx>
#include <BRepLProp_SurfaceTool.hxx>
#include <BRepGProp_Face.hxx>
#include <GeomLProp_SLProps.hxx>
@@ -85,6 +86,7 @@
#include "SurfaceOfExtrusionPy.h"
#include "ToroidPy.h"
#include "OCCError.h"
#include "Tools.h"
using namespace Part;
@@ -688,6 +690,14 @@ Py::Object TopoShapeFacePy::getOuterWire(void) const
return Py::Object();
}
Py::Object TopoShapeFacePy::getMass(void) const
{
GProp_GProps props;
BRepGProp::SurfaceProperties(getTopoShapePtr()->_Shape, props);
double c = props.Mass();
return Py::Float(c);
}
Py::Object TopoShapeFacePy::getCenterOfMass(void) const
{
GProp_GProps props;
@@ -696,6 +706,66 @@ Py::Object TopoShapeFacePy::getCenterOfMass(void) const
return Py::Vector(Base::Vector3d(c.X(),c.Y(),c.Z()));
}
Py::Object TopoShapeFacePy::getMatrixOfInertia(void) const
{
GProp_GProps props;
BRepGProp::SurfaceProperties(getTopoShapePtr()->_Shape, props);
gp_Mat m = props.MatrixOfInertia();
Base::Matrix4D mat;
for (int i=0; i<3; i++) {
for (int j=0; j<3; j++) {
mat[i][j] = m(i+1,j+1);
}
}
return Py::Matrix(mat);
}
Py::Object TopoShapeFacePy::getStaticMoments(void) const
{
GProp_GProps props;
BRepGProp::SurfaceProperties(getTopoShapePtr()->_Shape, props);
Standard_Real lx,ly,lz;
props.StaticMoments(lx,ly,lz);
Py::Tuple tuple(3);
tuple.setItem(0, Py::Float(lx));
tuple.setItem(1, Py::Float(ly));
tuple.setItem(2, Py::Float(lz));
return tuple;
}
Py::Dict TopoShapeFacePy::getPrincipalProperties(void) const
{
GProp_GProps props;
BRepGProp::SurfaceProperties(getTopoShapePtr()->_Shape, props);
GProp_PrincipalProps pprops = props.PrincipalProperties();
Py::Dict dict;
dict.setItem("SymmetryAxis", Py::Boolean(pprops.HasSymmetryAxis() ? true : false));
dict.setItem("SymmetryPoint", Py::Boolean(pprops.HasSymmetryPoint() ? true : false));
Standard_Real lx,ly,lz;
pprops.Moments(lx,ly,lz);
Py::Tuple tuple(3);
tuple.setItem(0, Py::Float(lx));
tuple.setItem(1, Py::Float(ly));
tuple.setItem(2, Py::Float(lz));
dict.setItem("Moments",tuple);
dict.setItem("FirstAxisOfInertia",Py::Vector(Base::convertTo
<Base::Vector3d>(pprops.FirstAxisOfInertia())));
dict.setItem("SecondAxisOfInertia",Py::Vector(Base::convertTo
<Base::Vector3d>(pprops.SecondAxisOfInertia())));
dict.setItem("ThirdAxisOfInertia",Py::Vector(Base::convertTo
<Base::Vector3d>(pprops.ThirdAxisOfInertia())));
Standard_Real Rxx,Ryy,Rzz;
pprops.RadiusOfGyration(Rxx,Ryy,Rzz);
Py::Tuple rog(3);
rog.setItem(0, Py::Float(Rxx));
rog.setItem(1, Py::Float(Ryy));
rog.setItem(2, Py::Float(Rzz));
dict.setItem("RadiusOfGyration",rog);
return dict;
}
PyObject *TopoShapeFacePy::getCustomAttributes(const char* attr) const
{
return 0;