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adapt demo and examples BGL example TriMesh.cpp does not compile
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| Original file line number | Diff line number | Diff line change |
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| // Copyright (c) 2024 GeometryFactory | ||
| // | ||
| // This file is part of CGAL (www.cgal.org); | ||
| // | ||
| // $URL$ | ||
| // $Id$ | ||
| // SPDX-License-Identifier: LGPL-3.0-or-later OR LicenseRef-Commercial | ||
| // | ||
| // Author(s) : Andreas Fabri | ||
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| #ifndef CGAL_BGL_IO_OM_H | ||
| #define CGAL_BGL_IO_OM_H | ||
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| #if defined(CGAL_USE_OPENMESH) || defined(DOXYGEN_RUNNING) | ||
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| #include <OpenMesh/Core/IO/MeshIO.hh> | ||
| #include <OpenMesh/Core/Mesh/TriMesh_ArrayKernelT.hh> | ||
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| #include <CGAL/boost/graph/copy_face_graph.h> | ||
| #include <CGAL/boost/graph/graph_traits_PolyMesh_ArrayKernelT.h> | ||
| #include <CGAL/boost/graph/iterator.h> | ||
| #include <CGAL/property_map.h> | ||
| #include <CGAL/Named_function_parameters.h> | ||
| #include <CGAL/boost/graph/named_params_helper.h> | ||
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| #include <iostream> | ||
| #include <fstream> | ||
| #include <map> | ||
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| namespace CGAL { | ||
| namespace IO { | ||
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| template <typename Graph, typename VFeaturePM, typename EFeaturePM> | ||
| bool read_OM(const std::string& fname, Graph& g, VFeaturePM vfpm, EFeaturePM efpm) | ||
| { | ||
| typedef OpenMesh::PolyMesh_ArrayKernelT<> OMesh; | ||
| typedef typename boost::graph_traits<OMesh>::vertex_descriptor om_vertex_descriptor; | ||
| typedef typename boost::graph_traits<Graph>::vertex_descriptor vertex_descriptor; | ||
| typedef typename boost::graph_traits<OMesh>::halfedge_descriptor om_halfedge_descriptor; | ||
| typedef typename boost::graph_traits<Graph>::halfedge_descriptor halfedge_descriptor; | ||
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| OMesh omesh; | ||
| OpenMesh::IO::Options options = OpenMesh::IO::Options::Status; | ||
| bool ok = OpenMesh::IO::read_mesh(omesh, fname, options); | ||
| if(! ok){ | ||
| return false; | ||
| } | ||
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| std::map<om_vertex_descriptor, vertex_descriptor> v2v; | ||
| auto v2vpmap = boost::make_assoc_property_map(v2v); | ||
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| std::map<om_halfedge_descriptor, halfedge_descriptor> h2h; | ||
| auto h2hpmap = boost::make_assoc_property_map(h2h); | ||
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| CGAL::copy_face_graph<OMesh,Graph>(omesh, g, | ||
| CGAL::parameters::vertex_to_vertex_map(v2vpmap) | ||
| .halfedge_to_halfedge_map(h2hpmap)); | ||
| if(options.vertex_has_status()){ | ||
| for(auto v : vertices(omesh)){ | ||
| put(vfpm, v2v[v], omesh.status(v).feature()); | ||
| } | ||
| } | ||
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| if(options.edge_has_status()){ | ||
| for(auto e : edges(omesh)){ | ||
| auto sme = edge(h2h[halfedge(e,omesh)], g); | ||
| put(efpm, sme , omesh.status(OpenMesh::EdgeHandle(e.idx())).feature()); | ||
| } | ||
| } | ||
| return true; | ||
| } | ||
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| template <typename Graph, typename CGAL_NP_TEMPLATE_PARAMETERS> | ||
| bool read_OM(const std::string& fname, | ||
| Graph& g, | ||
| const CGAL_NP_CLASS& np = parameters::default_values()) | ||
| { | ||
| using vertex_descriptor = typename boost::graph_traits<Graph>::vertex_descriptor; | ||
| using edge_descriptor = typename boost::graph_traits<Graph>::edge_descriptor; | ||
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| using CGAL::parameters::get_parameter; | ||
| using CGAL::parameters::choose_parameter; | ||
| auto vfpm = choose_parameter(get_parameter(np, internal_np::vertex_is_constrained), | ||
| CGAL::Constant_property_map<vertex_descriptor, bool>(false)); | ||
| auto efpm = choose_parameter(get_parameter(np, internal_np::edge_is_constrained), | ||
| CGAL::Constant_property_map<edge_descriptor, bool>(false)); | ||
| return read_OM(fname, g, vfpm, efpm); | ||
| } | ||
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| template <typename Graph, typename VFeaturePM, typename EFeaturePM> | ||
| bool write_OM(std::string fname, Graph& g, VFeaturePM vfpm, EFeaturePM efpm) | ||
| { | ||
| typedef OpenMesh::PolyMesh_ArrayKernelT<> OMesh; | ||
| typedef typename boost::graph_traits<OMesh>::vertex_descriptor om_vertex_descriptor; | ||
| typedef typename boost::graph_traits<Graph>::vertex_descriptor vertex_descriptor; | ||
| typedef typename boost::graph_traits<OMesh>::halfedge_descriptor om_halfedge_descriptor; | ||
| typedef typename boost::graph_traits<Graph>::halfedge_descriptor halfedge_descriptor; | ||
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| std::map<vertex_descriptor, om_vertex_descriptor> v2v; | ||
| auto v2vpmap = boost::make_assoc_property_map(v2v); | ||
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| std::map<halfedge_descriptor, om_halfedge_descriptor> h2h; | ||
| auto h2hpmap = boost::make_assoc_property_map(h2h); | ||
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| OMesh omesh; | ||
| CGAL::copy_face_graph<Graph, OMesh>(g, omesh, | ||
| CGAL::parameters::vertex_to_vertex_map(v2vpmap) | ||
| .halfedge_to_halfedge_map(h2hpmap)); | ||
| omesh.request_edge_status(); | ||
| omesh.request_vertex_status(); | ||
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| for (auto h : halfedges(g)) | ||
| { | ||
| om_halfedge_descriptor omh = h2h.at(h); | ||
| const bool isfeature = get(efpm, edge(h, g)); | ||
| omesh.status(omesh.edge_handle(omh)).set_feature(isfeature); | ||
| } | ||
| for (auto v : vertices(g)) | ||
| { | ||
| auto omv = v2v.at(v); | ||
| const bool isfeature = get(vfpm, v); | ||
| omesh.status(omv).set_feature(isfeature); | ||
| } | ||
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| return OpenMesh::IO::write_mesh(omesh, fname, OpenMesh::IO::Options::Status); | ||
| } | ||
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| template <typename Graph, typename CGAL_NP_TEMPLATE_PARAMETERS> | ||
| bool write_OM(const std::string& fname, | ||
| Graph& g, | ||
| const CGAL_NP_CLASS& np = parameters::default_values()) | ||
| { | ||
| using vertex_descriptor = typename boost::graph_traits<Graph>::vertex_descriptor; | ||
| using edge_descriptor = typename boost::graph_traits<Graph>::edge_descriptor; | ||
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| using CGAL::parameters::get_parameter; | ||
| using CGAL::parameters::choose_parameter; | ||
| auto vfpm = choose_parameter(get_parameter(np, internal_np::vertex_is_constrained), | ||
| CGAL::Constant_property_map<vertex_descriptor, bool>(false)); | ||
| auto efpm = choose_parameter(get_parameter(np, internal_np::edge_is_constrained), | ||
| CGAL::Constant_property_map<edge_descriptor, bool>(false)); | ||
| return write_OM(fname, g, vfpm, efpm); | ||
| } | ||
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| } // namespace IO | ||
| } // namespace CGAL | ||
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| #endif // CGAL_USE_OPENMESH || DOXYGEN_RUNNING | ||
| #endif // CGAL_IO_OM |
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