132 lines
4.9 KiB
C
132 lines
4.9 KiB
C
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// Copyright (c) 2017 GeometryFactory
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//
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// This file is part of CGAL (www.cgal.org); you can redistribute it and/or
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// modify it under the terms of the GNU Lesser General Public License as
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// published by the Free Software Foundation; either version 3 of the License,
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// or (at your option) any later version.
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//
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// Licensees holding a valid commercial license may use this file in
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// accordance with the commercial license agreement provided with the software.
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//
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// This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
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// WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
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//
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// $URL$
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// $Id$
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// SPDX-License-Identifier: LGPL-3.0+
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//
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// Author(s) : Simon Giraudot
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#ifndef CGAL_IO_PLY_WRITER_H
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#define CGAL_IO_PLY_WRITER_H
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#include <CGAL/IO/write_ply_points.h>
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namespace CGAL{
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template <class Point_3, class Polygon_3>
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bool
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write_PLY(std::ostream& out,
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const std::vector< Point_3 >& points,
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const std::vector< Polygon_3 >& polygons,
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bool /* verbose */ = false)
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{
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if(!out)
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{
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std::cerr << "Error: cannot open file" << std::endl;
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return false;
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}
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// Write header
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out << "ply" << std::endl
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<< ((get_mode(out) == IO::BINARY) ? "format binary_little_endian 1.0" : "format ascii 1.0") << std::endl
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<< "comment Generated by the CGAL library" << std::endl
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<< "element vertex " << points.size() << std::endl;
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internal::PLY::output_property_header (out,
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make_ply_point_writer (CGAL::Identity_property_map<Point_3>()));
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out << "element face " << polygons.size() << std::endl;
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internal::PLY::output_property_header (out,
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std::make_pair (CGAL::Identity_property_map<Polygon_3>(),
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PLY_property<std::vector<int> >("vertex_indices")));
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out << "end_header" << std::endl;
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for (std::size_t i = 0; i < points.size(); ++ i)
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internal::PLY::output_properties (out, points.begin() + i,
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make_ply_point_writer (CGAL::Identity_property_map<Point_3>()));
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for (std::size_t i = 0; i < polygons.size(); ++ i)
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internal::PLY::output_properties (out, polygons.begin() + i,
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std::make_pair (CGAL::Identity_property_map<Polygon_3>(),
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PLY_property<std::vector<int> >("vertex_indices")));
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return out.good();
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}
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template <class FaceListGraph>
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bool
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write_PLY(std::ostream& out,
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const FaceListGraph& mesh,
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bool /* verbose */ = false)
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{
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typedef typename boost::graph_traits<FaceListGraph>::face_descriptor face_descriptor;
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typedef typename boost::graph_traits<FaceListGraph>::halfedge_descriptor halfedge_descriptor;
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typedef typename boost::graph_traits<FaceListGraph>::vertex_descriptor vertex_descriptor;
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typedef typename boost::property_map<FaceListGraph, boost::vertex_point_t>::type::value_type Point_3;
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if(!out)
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{
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std::cerr << "Error: cannot open file" << std::endl;
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return false;
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}
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// Write header
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out << "ply" << std::endl
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<< ((get_mode(out) == IO::BINARY) ? "format binary_little_endian 1.0" : "format ascii 1.0") << std::endl
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<< "comment Generated by the CGAL library" << std::endl
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<< "element vertex " << num_vertices(mesh) << std::endl;
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internal::PLY::output_property_header (out,
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make_ply_point_writer (CGAL::Identity_property_map<Point_3>()));
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out << "element face " << num_faces(mesh) << std::endl;
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internal::PLY::output_property_header (out,
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std::make_pair (CGAL::Identity_property_map<std::vector<std::size_t> >(),
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PLY_property<std::vector<int> >("vertex_indices")));
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out << "end_header" << std::endl;
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BOOST_FOREACH(vertex_descriptor vd, vertices(mesh))
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{
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Point_3 p = get(get(CGAL::vertex_point, mesh), vd);
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internal::PLY::output_properties (out, &p,
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make_ply_point_writer (CGAL::Identity_property_map<Point_3>()));
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}
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std::vector<std::size_t> polygon;
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BOOST_FOREACH(face_descriptor fd, faces(mesh))
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{
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polygon.clear();
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BOOST_FOREACH(halfedge_descriptor hd, halfedges_around_face(halfedge(fd, mesh), mesh))
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polygon.push_back (get(get(boost::vertex_index, mesh), source(hd,mesh)));
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internal::PLY::output_properties (out, &polygon,
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std::make_pair (CGAL::Identity_property_map<std::vector<std::size_t> >(),
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PLY_property<std::vector<int> >("vertex_indices")));
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}
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return out.good();
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}
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} // namespace CGAL
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#endif // CGAL_IO_PLY_WRITER_H
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