126 lines
5.8 KiB
C++
126 lines
5.8 KiB
C++
/***************************************************************************
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* Copyright (c) 2017 Lorenz Lechner *
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* *
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* This file is part of the FreeCAD CAx development system. *
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* *
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* This library is free software; you can redistribute it and/or *
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* modify it under the terms of the GNU Library General Public *
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* License as published by the Free Software Foundation; either *
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* version 2 of the License, or (at your option) any later version. *
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* *
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* This library is distributed in the hope that it will be useful, *
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* but WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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* GNU Library General Public License for more details. *
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* *
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* You should have received a copy of the GNU Library General Public *
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* License along with this library; see the file COPYING.LIB. If not, *
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* write to the Free Software Foundation, Inc., 59 Temple Place, *
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* Suite 330, Boston, MA 02111-1307, USA *
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* *
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***************************************************************************/
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#include "PreCompiled.h"
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#include <Mod/Part/App/TopoShapeFacePy.h>
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#include <Eigen/Core>
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#include <Eigen/Geometry>
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#include <Eigen/Sparse>
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#include <pybind11/pybind11.h>
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#include <pybind11/stl.h>
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#include <pybind11/operators.h>
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#include <pybind11/numpy.h>
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#include <pybind11/eigen.h>
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#include <memory>
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#include <vector>
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#include <tuple>
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#include <map>
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#include <stdexcept>
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#include "MeshFlattening.h"
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#include "MeshFlatteningLscmRelax.h"
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#include "MeshFlatteningNurbs.h"
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#include <TopoDS_Face.hxx>
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#include <TopoDS.hxx>
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namespace py = pybind11;
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// void FaceUnwrapper_constructor(FaceUnwrapper& instance, Part::TopoShapeFacePy Face)
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FaceUnwrapper* FaceUnwrapper_constructor(py::object face)
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{
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if (PyObject_TypeCheck(face.ptr(), &(Part::TopoShapeFacePy::Type)))
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{
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const Part::TopoShapeFacePy* f = static_cast<Part::TopoShapeFacePy*>(face.ptr());
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const TopoDS_Face& myFace = TopoDS::Face(f->getTopoShapePtr()->getShape());
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return new FaceUnwrapper(myFace);
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}
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else
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throw std::invalid_argument("FaceUnwrapper should be initialized with Part.Face");
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}
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ColMat<double, 3> interpolateNurbsFacePy(FaceUnwrapper& instance, py::object face)
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{
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std::cout << face.ptr()->ob_type->tp_name << std::endl;
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std::cout << Part::TopoShapeFacePy::Type.tp_name << std::endl;
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if (PyObject_TypeCheck(face.ptr(), &(Part::TopoShapeFacePy::Type)))
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{
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const Part::TopoShapeFacePy* f = static_cast<Part::TopoShapeFacePy*>(face.ptr());
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const TopoDS_Face& myFace = TopoDS::Face(f->getTopoShapePtr()->getShape());
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return instance.interpolateNurbsFace(myFace);
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}
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else
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throw std::invalid_argument("FaceUnwrapper.interpolateNurbs should be initialized with Part.Face");
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}
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PYBIND11_MODULE(flatmesh, m)
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{
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m.doc() = "functions to unwrapp faces/ meshes";
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py::class_<LscmRelax>(m, "LscmRelax")
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.def(py::init<ColMat<double, 3>, ColMat<long, 3>, std::vector<long>>())
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.def("lscm", &LscmRelax::lscm)
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.def("relax", &LscmRelax::relax)
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.def("rotate_by_min_bound_area", &LscmRelax::rotate_by_min_bound_area)
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.def("transform", &LscmRelax::transform)
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.def_readonly("rhs", &LscmRelax::rhs)
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.def_readonly("MATRIX", &LscmRelax::MATRIX)
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.def_property_readonly("area", &LscmRelax::get_area)
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.def_property_readonly("flat_area", &LscmRelax::get_flat_area)
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.def_property_readonly("flat_vertices", [](LscmRelax& L){return L.flat_vertices.transpose();}, py::return_value_policy::copy)
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.def_property_readonly("flat_vertices_3D", &LscmRelax::get_flat_vertices_3D);
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py::class_<nurbs::NurbsBase2D>(m, "NurbsBase2D")
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.def(py::init<Eigen::VectorXd, Eigen::VectorXd, Eigen::VectorXd, int, int>())
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.def("computeFirstDerivatives", &nurbs::NurbsBase2D::computeFirstDerivatives)
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.def("getInfluenceVector", &nurbs::NurbsBase2D::getInfluenceVector)
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.def("getInfluenceMatrix", &nurbs::NurbsBase2D::getInfluenceMatrix)
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.def("getDuVector", &nurbs::NurbsBase2D::getDuVector)
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.def("getDuMatrix", &nurbs::NurbsBase2D::getDuMatrix)
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.def("getDvVector", &nurbs::NurbsBase2D::getDvVector)
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.def("getDvMatrix", &nurbs::NurbsBase2D::getDvMatrix);
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py::class_<nurbs::NurbsBase1D>(m, "NurbsBase1D")
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.def(py::init<Eigen::VectorXd, Eigen::VectorXd, int>())
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.def("computeFirstDerivatives", &nurbs::NurbsBase1D::computeFirstDerivatives)
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.def("getInfluenceVector", &nurbs::NurbsBase1D::getInfluenceVector)
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.def("getInfluenceMatrix", &nurbs::NurbsBase1D::getInfluenceMatrix)
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.def("getDuVector", &nurbs::NurbsBase1D::getDuVector)
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.def("getDuMatrix", &nurbs::NurbsBase1D::getDuMatrix);
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py::class_<FaceUnwrapper>(m, "FaceUnwrapper")
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.def(py::init(&FaceUnwrapper_constructor))
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.def("findFlatNodes", &FaceUnwrapper::findFlatNodes)
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.def("interpolateNurbsFace", &interpolateNurbsFacePy)
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.def_readonly("tris", &FaceUnwrapper::tris)
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.def_readonly("nodes", &FaceUnwrapper::xyz_nodes)
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.def_readonly("uv_nodes", &FaceUnwrapper::uv_nodes)
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.def_readonly("ze_nodes", &FaceUnwrapper::ze_nodes)
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.def_readonly("ze_poles", &FaceUnwrapper::ze_poles)
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.def_readonly("A", &FaceUnwrapper::A);
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};
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