netgen/libsrc/occ/python_occ.cpp
Joachim Schöberl e72d90fcbb Merge branch 'derive_geos_netgengeometry' into 'master'
derive geometry class in python from NetgenGeometry, gil call guard

See merge request jschoeberl/netgen!82
2018-04-18 22:00:03 +02:00

68 lines
2.2 KiB
C++

#ifdef NG_PYTHON
#ifdef OCCGEOMETRY
#include <../general/ngpython.hpp>
#include <meshing.hpp>
#include <occgeom.hpp>
using namespace netgen;
namespace netgen
{
extern std::shared_ptr<NetgenGeometry> ng_geometry;
}
DLL_HEADER void ExportNgOCC(py::module &m)
{
py::class_<OCCGeometry, shared_ptr<OCCGeometry>, NetgenGeometry> (m, "OCCGeometry", R"raw_string(Use LoadOCCGeometry to load the geometry from a *.step file.)raw_string")
.def(py::init<>())
.def("Heal",[](OCCGeometry & self, double tolerance, bool fixsmalledges, bool fixspotstripfaces, bool sewfaces, bool makesolids, bool splitpartitions)
{
self.tolerance = tolerance;
self.fixsmalledges = fixsmalledges;
self.fixspotstripfaces = fixspotstripfaces;
self.sewfaces = sewfaces;
self.makesolids = makesolids;
self.splitpartitions = splitpartitions;
self.HealGeometry();
self.BuildFMap();
},py::arg("tolerance")=1e-3, py::arg("fixsmalledges")=true, py::arg("fixspotstripfaces")=true, py::arg("sewfaces")=true, py::arg("makesolids")=true, py::arg("splitpartitions")=false,R"raw_string(Heal the OCCGeometry.)raw_string",py::call_guard<py::gil_scoped_release>())
;
m.def("LoadOCCGeometry",FunctionPointer([] (const string & filename)
{
cout << "load OCC geometry";
ifstream ist(filename);
OCCGeometry * instance = new OCCGeometry();
instance = LoadOCC_STEP(filename.c_str());
return shared_ptr<OCCGeometry>(instance, NOOP_Deleter);
}),py::call_guard<py::gil_scoped_release>());
m.def("GenerateMesh", FunctionPointer([] (shared_ptr<OCCGeometry> geo, MeshingParameters &param)
{
auto mesh = make_shared<Mesh>();
SetGlobalMesh(mesh);
mesh->SetGeometry(geo);
ng_geometry = geo;
try
{
geo->GenerateMesh(mesh,param);
}
catch (NgException ex)
{
cout << "Caught NgException: " << ex.What() << endl;
}
return mesh;
}),py::call_guard<py::gil_scoped_release>())
;
}
PYBIND11_MODULE(libNgOCC, m) {
ExportNgOCC(m);
}
#endif // OCCGEOMETRY
#endif // NG_PYTHON