172 lines
7.2 KiB
C++
172 lines
7.2 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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#ifdef _MSC_VER
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#define strdup _strdup
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#endif
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#include "PreCompiled.h"
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#include <Mod/Part/App/TopoShapeFacePy.h>
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#include <Mod/Part/App/TopoShapeEdgePy.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_Edge.hxx>
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#include <TopoDS.hxx>
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#include <ShapeFix_Edge.hxx>
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namespace py = pybind11;
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const TopoDS_Face& getTopoDSFace(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 myFace;
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}
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else
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throw std::invalid_argument("must be a face");
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}
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const TopoDS_Edge& getTopoDSEdge(py::object* edge)
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{
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if (PyObject_TypeCheck(edge->ptr(), &(Part::TopoShapeEdgePy::Type)))
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{
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const Part::TopoShapeEdgePy* e = static_cast<Part::TopoShapeEdgePy*>(edge->ptr());
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const TopoDS_Edge& myEdge = TopoDS::Edge(e->getTopoShapePtr()->getShape());
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return myEdge;
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}
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else
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throw std::invalid_argument("must be an edge");
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}
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Py::Object makeEdge(const TopoDS_Edge& edge)
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{
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return Py::asObject(new Part::TopoShapeEdgePy(new Part::TopoShape(edge)));
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}
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py::object makeFace(const TopoDS_Face& face)
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{
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return py::cast(new Part::TopoShapeFacePy(new Part::TopoShape(face)));
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}
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FaceUnwrapper* FaceUnwrapper_constructor(py::object* face)
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{
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const TopoDS_Face& myFace = getTopoDSFace(face);
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return new FaceUnwrapper(myFace);
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}
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ColMat<double, 3> interpolateFlatFacePy(FaceUnwrapper& instance, py::object* face)
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{
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const TopoDS_Face& myFace = getTopoDSFace(face);
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return instance.interpolateFlatFace(myFace);
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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::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::LscmRelax::lscm)
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.def("relax", &lscmrelax::LscmRelax::relax)
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.def("rotate_by_min_bound_area", &lscmrelax::LscmRelax::rotate_by_min_bound_area)
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.def("transform", &lscmrelax::LscmRelax::transform)
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.def_readonly("rhs", &lscmrelax::LscmRelax::rhs)
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.def_readonly("MATRIX", &lscmrelax::LscmRelax::MATRIX)
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.def_property_readonly("area", &lscmrelax::LscmRelax::get_area)
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.def_property_readonly("flat_area", &lscmrelax::LscmRelax::get_flat_area)
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.def_property_readonly("flat_vertices", [](lscmrelax::LscmRelax& L){return L.flat_vertices.transpose();}, py::return_value_policy::copy)
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.def_property_readonly("flat_vertices_3D", &lscmrelax::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_readonly("u_knots", &nurbs::NurbsBase2D::u_knots)
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.def_readonly("weights", &nurbs::NurbsBase2D::weights)
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.def_readonly("degree_u", &nurbs::NurbsBase2D::degree_u)
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// .def_readonly("v_knots", &nurbs::NurbsBase2D::u_knots)
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.def_readonly("degree_v", &nurbs::NurbsBase2D::degree_u)
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.def("getUVMesh", &nurbs::NurbsBase2D::getUVMesh)
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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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.def("interpolateUBS", &nurbs::NurbsBase2D::interpolateUBS);
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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_readonly("u_knots", &nurbs::NurbsBase1D::u_knots)
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.def_readonly("weights", &nurbs::NurbsBase1D::weights)
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.def_readonly("degree_u", &nurbs::NurbsBase1D::degree_u)
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.def("getUMesh", &nurbs::NurbsBase1D::getUMesh)
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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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.def_static("getKnotSequence", &nurbs::NurbsBase1D::getKnotSequence)
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.def_static("getWeightList", &nurbs::NurbsBase1D::getWeightList);
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py::class_<FaceUnwrapper>(m, "FaceUnwrapper")
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.def(py::init(&FaceUnwrapper_constructor))
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.def(py::init<ColMat<double, 3>, ColMat<long, 3>>())
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.def("findFlatNodes", &FaceUnwrapper::findFlatNodes)
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.def("interpolateFlatFace", &interpolateFlatFacePy)
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.def("getFlatBoundaryNodes", &FaceUnwrapper::getFlatBoundaryNodes)
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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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