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#ifdef NG_PYTHON
#ifdef OCCGEOMETRY
#include <general/ngpython.hpp>
#include <core/python_ngcore.hpp>
#include <meshing/python_mesh.hpp>
#include <meshing.hpp>
#include "occgeom.hpp"
#include <BRepBuilderAPI_Transform.hxx>
#include <BRepBuilderAPI_GTransform.hxx>
#include <gp_Ax1.hxx>
#include <gp_Ax2.hxx>
#include <gp_Ax2d.hxx>
#include <gp_Ax3.hxx>
#include <gp_Trsf.hxx>
#include <gp_GTrsf.hxx>
using namespace netgen;
DLL_HEADER void ExportNgOCCBasic(py::module &m)
{
py::class_<gp_Pnt>(m, "gp_Pnt", "3d OCC point")
.def(py::init([] (py::tuple pnt)
{
if (py::len(pnt) != 3)
throw std::length_error("need 3-tuple to create gp_Pnt");
return gp_Pnt(py::cast<double>(pnt[0]),
py::cast<double>(pnt[1]),
py::cast<double>(pnt[2]));
}))
.def(py::init([] (double x, double y, double z) {
return gp_Pnt(x, y, z);
}), py::arg("x"), py::arg("y"), py::arg("z"))
.def_property("x", [](gp_Pnt&p) { return p.X(); }, [](gp_Pnt&p,double x) { p.SetX(x); })
.def_property("y", [](gp_Pnt&p) { return p.Y(); }, [](gp_Pnt&p,double y) { p.SetY(y); })
.def_property("z", [](gp_Pnt&p) { return p.Z(); }, [](gp_Pnt&p,double z) { p.SetZ(z); })
.def("__str__", [] (const gp_Pnt & p) {
stringstream str;
str << "(" << p.X() << ", " << p.Y() << ", " << p.Z() << ")";
return str.str();
})
.def("__repr__", [] (const gp_Pnt & p) {
stringstream str;
str << "(" << p.X() << ", " << p.Y() << ", " << p.Z() << ")";
return str.str();
})
.def("__sub__", [](gp_Pnt p1, gp_Pnt p2) { return gp_Vec(p2, p1); })
.def("__add__", [](gp_Pnt p, gp_Vec v) { return p.Translated(v); }) // gp_Pnt(p.X()+v.X(), p.Y()+v.Y(), p.Z()+v.Z()); })
.def("__sub__", [](gp_Pnt p, gp_Vec v) { return p.Translated(-v); }) // gp_Pnt(p.X()-v.X(), p.Y()-v.Y(), p.Z()-v.Z()); })
.def("__getitem__", [](const gp_Pnt& p, int index)
{
if(index == 0)
return p.X();
if(index == 1)
return p.Y();
if(index == 2)
return p.Z();
throw std::out_of_range("Point index must be in range [0,3)!");
})
;
py::class_<gp_Vec>(m, "gp_Vec", "3d OCC vector")
.def(py::init([] (py::tuple vec)
{
return gp_Vec(py::cast<double>(vec[0]),
py::cast<double>(vec[1]),
py::cast<double>(vec[2]));
}))
.def(py::init([] (double x, double y, double z) {
return gp_Vec(x, y, z);
}), py::arg("x"), py::arg("y"), py::arg("z"))
.def(py::init([](gp_Dir d) { return gp_Vec(d); }))
.def_property("x", [](gp_Vec&p) { return p.X(); }, [](gp_Vec&p,double x) { p.SetX(x); })
.def_property("y", [](gp_Vec&p) { return p.Y(); }, [](gp_Vec&p,double y) { p.SetY(y); })
.def_property("z", [](gp_Vec&p) { return p.Z(); }, [](gp_Vec&p,double z) { p.SetZ(z); })
.def("Norm", [](const gp_Vec& v)
{ return v.Magnitude(); })
.def("__str__", [] (const gp_Vec & p) {
stringstream str;
str << "(" << p.X() << ", " << p.Y() << ", " << p.Z() << ")";
return str.str();
})
.def("__repr__", [] (const gp_Vec & p) {
stringstream str;
str << "(" << p.X() << ", " << p.Y() << ", " << p.Z() << ")";
return str.str();
})
.def("__add__", [](gp_Vec v1, gp_Vec v2) { return v1+v2; })
.def("__sub__", [](gp_Vec v1, gp_Vec v2) { return v1-v2; })
.def("__rmul__", [](gp_Vec v, double s) { return s*v; })
.def("__mul__", [](gp_Vec v1, gp_Vec v2) { return v1*v2; })
.def("__neg__", [](gp_Vec v) { return -v; })
.def("__xor__", [](gp_Vec v1, gp_Vec v2) { return v1^v2; })
.def("__lt__", [](gp_Vec v, double val)
{
cout << IM(6) << "vec, lt v - " << netgen::occ2ng(v) << ", val = " << val << endl;
return DirectionalInterval(v) < val;
})
.def("__gt__", [](gp_Vec v, double val)
{
cout << IM(6) << "vec, gt v - " << netgen::occ2ng(v) << ", val = " << val << endl;
return DirectionalInterval(v) > val;
})
.def("__le__", [](gp_Vec v, double val)
{
return DirectionalInterval(v) <= val;
})
.def("__ge__", [](gp_Vec v, double val)
{
return DirectionalInterval(v) >= val;
})
;
py::class_<gp_Dir>(m, "gp_Dir", "3d OCC direction")
.def(py::init([] (py::tuple dir)
{
return gp_Dir(py::cast<double>(dir[0]),
py::cast<double>(dir[1]),
py::cast<double>(dir[2]));
}))
.def(py::init([] (double x, double y, double z) {
return gp_Dir(x, y, z);
}), py::arg("x"), py::arg("y"), py::arg("z"))
.def(py::init<gp_Vec>())
.def("__str__", [] (const gp_Dir & p) {
stringstream str;
str << "(" << p.X() << ", " << p.Y() << ", " << p.Z() << ")";
return str.str();
})
.def("__getitem__", [](const gp_Dir& d, int index)
{
if(index == 0)
return d.X();
if(index == 1)
return d.Y();
if(index == 2)
return d.Z();
throw std::out_of_range("Direction index must be in range [0,3)!");
})
;
py::class_<gp_Mat>(m, "gp_Mat", "3d OCC matrix")
.def("__getitem__", [](const gp_Mat& mat, tuple<int,int> index)
{ return mat.Row(get<0>(index)+1).Coord(get<1>(index)+1); })
;
py::class_<gp_Ax1>(m, "Axis", "an OCC axis in 3d")
.def(py::init([](gp_Pnt p, gp_Dir d) {
return gp_Ax1(p,d);
}), py::arg("p"), py::arg("d"))
;
py::class_<gp_Ax2>(m, "gp_Ax2")
.def(py::init([](gp_Pnt p, gp_Dir d) {
return gp_Ax2(p,d);
}))
.def(py::init([](const gp_Ax3 & ax3) {
return gp_Ax2(ax3.Ax2());
}))
;
py::class_<gp_Ax3>(m, "Axes", "an OCC coordinate system in 3d")
.def(py::init([](gp_Pnt p, gp_Dir N, gp_Dir Vx) {
return gp_Ax3(p,N, Vx);
}), py::arg("p")=gp_Pnt(0,0,0), py::arg("n")=gp_Vec(0,0,1), py::arg("h")=gp_Vec(1,0,0))
.def(py::init([](gp_Ax1 ax1) {
return gp_Ax3(ax1.Location(), ax1.Direction());
}), py::arg("axis"))
.def(py::init<gp_Ax2>())
.def_property("p", [](gp_Ax3 & ax) { return ax.Location(); }, [](gp_Ax3&ax, gp_Pnt p) { ax.SetLocation(p); })
;
py::class_<gp_Pnt2d>(m, "gp_Pnt2d", "2d OCC point")
.def(py::init([] (std::tuple<double,double> pnt)
{
return gp_Pnt2d(get<0>(pnt), get<1>(pnt));
}))
.def(py::init([] (double x, double y) {
return gp_Pnt2d(x, y);
}), py::arg("x"), py::arg("y"))
.def_property("x", [](gp_Pnt2d&p) { return p.X(); }, [](gp_Pnt2d&p,double x) { p.SetX(x); })
.def_property("y", [](gp_Pnt2d&p) { return p.Y(); }, [](gp_Pnt2d&p,double y) { p.SetY(y); })
.def("__str__", [] (const gp_Pnt2d & p) {
stringstream str;
str << "(" << p.X() << ", " << p.Y() << ")";
return str.str();
})
.def("__repr__", [] (const gp_Pnt2d & p) {
stringstream str;
str << "(" << p.X() << ", " << p.Y() << ")";
return str.str();
})
.def("__sub__", [](gp_Pnt2d p1, gp_Pnt2d p2) { return gp_Vec2d(p1.X()-p2.X(), p1.Y()-p2.Y()); })
.def("__add__", [](gp_Pnt2d p, gp_Vec2d v) { return p.Translated(v); })
.def("__sub__", [](gp_Pnt2d p, gp_Vec2d v) { return p.Translated(-v); })
;
py::class_<gp_Vec2d>(m, "gp_Vec2d", "2d OCC vector")
.def(py::init([] (py::tuple vec)
{
if (py::len(vec) != 2)
throw Exception("need 2-tuple to create gp_Vec2d");
return gp_Vec2d(py::cast<double>(vec[0]),
py::cast<double>(vec[1]));
}))
.def(py::init([] (double x, double y) {
return gp_Vec2d(x, y);
}), py::arg("x"), py::arg("y"))
.def_property("x", [](gp_Vec2d&p) { return p.X(); }, [](gp_Vec2d&p,double x) { p.SetX(x); })
.def_property("y", [](gp_Vec2d&p) { return p.Y(); }, [](gp_Vec2d&p,double y) { p.SetY(y); })
.def("__str__", [] (const gp_Vec & p) {
stringstream str;
str << "(" << p.X() << ", " << p.Y() << ")";
return str.str();
})
.def("__repr__", [] (const gp_Vec & p) {
stringstream str;
str << "(" << p.X() << ", " << p.Y() << ")";
return str.str();
})
.def("__add__", [](gp_Vec2d v1, gp_Vec2d v2) { return v1+v2; })
.def("__sub__", [](gp_Vec2d v1, gp_Vec2d v2) { return v1-v2; })
.def("__rmul__", [](gp_Vec2d v, double s) { return s*v; })
.def("__neg__", [](gp_Vec2d v) { return -v; })
.def("__xor__", [](gp_Vec2d v1, gp_Vec2d v2) { return v1^v2; })
;
py::class_<gp_Dir2d>(m, "gp_Dir2d", "2d OCC direction")
.def(py::init([] (py::tuple dir)
{
if (py::len(dir) != 2)
throw Exception("need 2-tuple to create gp_Dir2d");
return gp_Dir2d(py::cast<double>(dir[0]),
py::cast<double>(dir[1]));
}))
.def(py::init([] (double x, double y) {
return gp_Dir2d(x, y);
}), py::arg("x"), py::arg("y"))
;
m.def("Pnt", [](double x, double y) { return gp_Pnt2d(x,y); },
py::arg("x"), py::arg("y"), "create 2d OCC point");
m.def("Pnt", [](double x, double y, double z) { return gp_Pnt(x,y,z); },
py::arg("x"), py::arg("y"), py::arg("z"), "create 3d OCC point");
m.def("Pnt", [](std::vector<double> p)
{
if (p.size() == 2)
return py::cast(gp_Pnt2d(p[0], p[1]));
if (p.size() == 3)
return py::cast(gp_Pnt(p[0], p[1], p[2]));
throw Exception("OCC-Points only in 2D or 3D");
}, py::arg("p"), "create 2d or 3d OCC point");
m.def("Vec", [](double x, double y) { return gp_Vec2d(x,y); },
py::arg("x"), py::arg("y"), "create 2d OCC point");
m.def("Vec", [](double x, double y, double z) { return gp_Vec(x,y,z); },
py::arg("x"), py::arg("y"), py::arg("z"), "create 3d OCC point");
m.def("Vec", [](std::vector<double> p)
{
if (p.size() == 2)
return py::cast(gp_Vec2d(p[0], p[1]));
if (p.size() == 3)
return py::cast(gp_Vec(p[0], p[1], p[2]));
throw Exception("OCC-Vecs only in 2D or 3D");
}, py::arg("v"), "create 2d or 3d OCC vector");
m.def("Dir", [](double x, double y) { return gp_Dir2d(x,y); },
py::arg("x"), py::arg("y"), "create 2d OCC direction");
m.def("Dir", [](double x, double y, double z) { return gp_Dir(x,y,z); },
py::arg("x"), py::arg("y"), py::arg("z"), "create 3d OCC direction");
m.def("Dir", [](std::vector<double> p)
{
if (p.size() == 2)
return py::cast(gp_Dir2d(p[0], p[1]));
if (p.size() == 3)
return py::cast(gp_Dir(p[0], p[1], p[2]));
throw Exception("OCC-Dirs only in 2D or 3D");
}, py::arg("d"), "create 2d or 3d OCC direction");
py::class_<gp_Ax2d>(m, "gp_Ax2d", "2d OCC coordinate system")
.def(py::init([](gp_Pnt2d p, gp_Dir2d d) {
return gp_Ax2d(p,d);
}), py::arg("p")=gp_Pnt2d(0,0), py::arg("d")=gp_Dir2d(1,0))
;
py::class_<gp_GTrsf>(m, "gp_GTrsf")
.def(py::init([](const std::vector<double>& mat,
const std::vector<double>& vec)
{
if(mat.size() != 9)
throw Exception("Need 9 matrix values for construction of gp_GTrsf");
if(vec.size() != 3)
throw Exception("Need 3 vector values for construction of gp_GTrsf");
gp_GTrsf trafo;
trafo.SetVectorialPart({ mat[0], mat[1], mat[2],
mat[3], mat[4], mat[5],
mat[6], mat[7], mat[8] });
trafo.SetTranslationPart( { vec[0], vec[1], vec[2] });
return trafo;
}), py::arg("mat"), py::arg("vec") = std::vector<double>{ 0., 0., 0. })
.def("__call__", [] (gp_GTrsf & trafo, const TopoDS_Shape & shape) {
BRepBuilderAPI_GTransform builder(shape, trafo, true);
PropagateProperties(builder, shape, occ2ng(trafo));
return builder.Shape();
})
;
py::class_<gp_Trsf>(m, "gp_Trsf")
.def(py::init<>())
.def("SetMirror", [] (gp_Trsf & trafo, const gp_Ax1 & ax) { trafo.SetMirror(ax); return trafo; })
.def("Inverted", &gp_Trsf::Inverted)
.def_static("Translation", [] (const gp_Vec & v) { gp_Trsf trafo; trafo.SetTranslation(v); return trafo; })
.def_static("Scale", [] (const gp_Pnt & p, double s) { gp_Trsf trafo; trafo.SetScale(p,s); return trafo; })
.def_static("Mirror", [] (const gp_Ax1 & ax) { gp_Trsf trafo; trafo.SetMirror(ax); return trafo; })
.def_static("Rotation", [] (const gp_Ax1 & ax, double ang) { gp_Trsf trafo; trafo.SetRotation(ax, ang*M_PI/180); return trafo; })
.def_static("Rotation", [] (const gp_Pnt & p, const gp_Dir & d, double ang)
{ gp_Trsf trafo; trafo.SetRotation(gp_Ax1(p,d), ang*M_PI/180); return trafo; })
.def_static("Transformation", [] (const gp_Ax3 & ax) { gp_Trsf trafo; trafo.SetTransformation(ax); return trafo; })
.def_static("Transformation", [] (const gp_Ax3 & from, const gp_Ax3 to)
{ gp_Trsf trafo; trafo.SetTransformation(from, to); return trafo; })
.def(py::self * py::self)
.def("__call__", [] (gp_Trsf & trafo, const TopoDS_Shape & shape) {
BRepBuilderAPI_Transform builder(shape, trafo, true);
PropagateProperties(builder, shape, occ2ng(trafo));
return builder.Shape();
})
.def("__str__", [](gp_Trsf & trafo)
{
stringstream str;
gp_XYZ xyz = trafo.TranslationPart();
str << xyz.X() << ", " << xyz.Y() << ", " << xyz.Z();
return str.str();
})
;
py::class_<TopLoc_Location>(m, "TopLoc_Location")
.def(py::init<gp_Trsf>())
.def("Transformation", [](const TopLoc_Location & loc) { return loc.Transformation(); })
;
py::class_<DirectionalInterval> (m, "DirectionalInterval")
.def("__str__", [](DirectionalInterval self)
{
stringstream str;
str << "(" << self.minval << ", " << self.maxval << ")";
return str.str();
})
.def("__lt__", [](DirectionalInterval i, double val)
{
cout << "directionalinterval, lt, imin/max = " << i.minval << " / " << i.maxval << endl;
return i < val;
})
.def("__gt__", [](DirectionalInterval i, double val)
{
cout << "directionalinterval, gt, imin/max = " << i.minval << " / " << i.maxval << endl;
return i > val;
})
.def("__and__", [](DirectionalInterval self, DirectionalInterval other) {
cout << "and of intervals" << endl;
return self.Intersect(other);
})
;
py::implicitly_convertible<py::tuple, gp_Pnt>();
py::implicitly_convertible<py::tuple, gp_Vec>();
py::implicitly_convertible<py::tuple, gp_Dir>();
py::implicitly_convertible<gp_Vec, gp_Dir>();
py::implicitly_convertible<gp_Dir, gp_Vec>();
py::implicitly_convertible<py::tuple, gp_Pnt2d>();
py::implicitly_convertible<py::tuple, gp_Vec2d>();
py::implicitly_convertible<py::tuple, gp_Dir2d>();
py::implicitly_convertible<gp_Ax1, gp_Ax3>();
py::implicitly_convertible<gp_Ax3, gp_Ax1>();
py::implicitly_convertible<gp_Ax3, gp_Ax2>();
m.attr("X") = py::cast(gp_Vec(1,0,0));
m.attr("Y") = py::cast(gp_Vec(0,1,0));
m.attr("Z") = py::cast(gp_Vec(0,0,1));
}
#endif // OCCGEOMETRY
#endif // NG_PYTHON
|
