Move a facegraph ply reader to where it belongs (SS --> BGL)

This commit is contained in:
Mael Rouxel-Labbé 2020-01-29 11:33:20 +01:00
parent 624cf89863
commit 9de1e305cd
3 changed files with 121 additions and 89 deletions

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@ -0,0 +1,120 @@
// Copyright (c) 2015 GeometryFactory (France). All rights reserved.
//
// 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
// Mael Rouxel-Labbé
#ifndef CGAL_BGL_IO_PLY_H
#define CGAL_BGL_IO_PLY_H
#include <CGAL/IO/PLY.h>
#include <CGAL/boost/graph/Named_function_parameters.h>
#include <CGAL/boost/graph/named_params_helper.h>
#include <fstream>
namespace CGAL {
template <class FaceGraph>
bool write_PLY(std::ostream& out,
const FaceGraph& mesh)
{
typedef typename boost::graph_traits<FaceGraph>::vertex_descriptor vertex_descriptor;
typedef typename boost::graph_traits<FaceGraph>::halfedge_descriptor halfedge_descriptor;
typedef typename boost::graph_traits<FaceGraph>::face_descriptor face_descriptor;
typedef typename boost::property_map<FaceGraph, boost::vertex_point_t>::type::value_type Point_3;
// @fixme
typedef typename FaceGraph::template Property_map<halfedge_descriptor,std::pair<float, float> > UV_map;
UV_map h_uv;
bool has_texture;
boost::tie(h_uv, has_texture) = mesh.template property_map<halfedge_descriptor,std::pair<float, float> >("h:uv");
if(!out.good())
{
std::cerr << "Error: cannot open file" << std::endl;
return false;
}
// Write header
out << "ply" << std::endl
<< ((get_mode(out) == IO::BINARY) ? "format binary_little_endian 1.0" : "format ascii 1.0") << std::endl
<< "comment Generated by the CGAL library" << std::endl
<< "element vertex " << num_vertices(mesh) << std::endl;
IO::internal::output_property_header(out, make_ply_point_writer (CGAL::Identity_property_map<Point_3>()));
out << "element face " << num_faces(mesh) << std::endl;
IO::internal::output_property_header(out, std::make_pair(CGAL::Identity_property_map<std::vector<std::size_t> >(),
PLY_property<std::vector<int> >("vertex_indices")));
if(has_texture)
{
out << "element halfedge " << num_halfedges(mesh) << std::endl;
IO::internal::output_property_header(out, std::make_pair(CGAL::Identity_property_map<std::size_t >(),
PLY_property<unsigned int >("source")));
IO::internal::output_property_header(out, std::make_pair(CGAL::Identity_property_map<std::size_t >(),
PLY_property<unsigned int >("target")));
IO::internal::output_property_header(out, std::make_tuple(h_uv,
PLY_property<float>("u"),
PLY_property<float>("v")));
}
out << "end_header" << std::endl;
for(vertex_descriptor vd : vertices(mesh))
{
Point_3 p = get(get(CGAL::vertex_point, mesh), vd);
IO::internal::output_properties(out, &p, make_ply_point_writer (CGAL::Identity_property_map<Point_3>()));
}
std::vector<std::size_t> polygon;
for(face_descriptor fd : faces(mesh))
{
polygon.clear();
for(halfedge_descriptor hd : halfedges_around_face(halfedge(fd, mesh), mesh))
polygon.push_back(get(get(boost::vertex_index, mesh), target(hd,mesh)));
IO::internal::output_properties(out, &polygon,
std::make_pair(CGAL::Identity_property_map<std::vector<std::size_t> >(),
PLY_property<std::vector<int> >("vertex_indices")));
}
if(has_texture)
{
for(halfedge_descriptor hd : halfedges(mesh))
{
typedef std::tuple<unsigned int, unsigned int, float, float> Super_tuple;
Super_tuple t = std::make_tuple(source(hd, mesh),target(hd, mesh),
h_uv[hd].first,
h_uv[hd].second);
IO::internal::output_properties(out, &t,
std::make_pair(Nth_of_tuple_property_map<0,Super_tuple>(),
PLY_property<unsigned int >("source")),
std::make_pair(Nth_of_tuple_property_map<1,Super_tuple>(),
PLY_property<unsigned int >("target")),
std::make_pair(Nth_of_tuple_property_map<2,Super_tuple>(),
PLY_property<float>("u")),
std::make_pair(Nth_of_tuple_property_map<3,Super_tuple>(),
PLY_property<float>("v")));
}
}
return out.good();
}
// @fixme add overloads
} // namespace CGAL
#endif // CGAL_BGL_IO_PLY_H

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@ -15,6 +15,7 @@
#include <CGAL/boost/graph/IO/INP.h> #include <CGAL/boost/graph/IO/INP.h>
#include <CGAL/boost/graph/IO/OBJ.h> #include <CGAL/boost/graph/IO/OBJ.h>
#include <CGAL/boost/graph/IO/OFF.h> #include <CGAL/boost/graph/IO/OFF.h>
#include <CGAL/boost/graph/IO/PLY.h>
#include <CGAL/boost/graph/IO/STL.h> #include <CGAL/boost/graph/IO/STL.h>
#include <CGAL/boost/graph/IO/VTK.h> #include <CGAL/boost/graph/IO/VTK.h>
#include <CGAL/boost/graph/IO/WRL.h> #include <CGAL/boost/graph/IO/WRL.h>

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@ -334,95 +334,6 @@ bool write_PLY(std::ostream& out,
return out.good(); return out.good();
} }
template <class SurfaceMesh>
bool write_PLY(std::ostream& out,
const SurfaceMesh& mesh)
{
typedef typename boost::graph_traits<SurfaceMesh>::face_descriptor face_descriptor;
typedef typename boost::graph_traits<SurfaceMesh>::halfedge_descriptor halfedge_descriptor;
typedef typename boost::graph_traits<SurfaceMesh>::vertex_descriptor vertex_descriptor;
typedef typename boost::property_map<SurfaceMesh, boost::vertex_point_t>::type::value_type Point_3;
typedef typename SurfaceMesh::template Property_map<halfedge_descriptor,std::pair<float, float> > UV_map;
UV_map h_uv;
bool has_texture;
boost::tie(h_uv, has_texture) = mesh.template property_map<halfedge_descriptor,std::pair<float, float> >("h:uv");
if(!out.good())
{
std::cerr << "Error: cannot open file" << std::endl;
return false;
}
// Write header
out << "ply" << std::endl
<< ((get_mode(out) == IO::BINARY) ? "format binary_little_endian 1.0" : "format ascii 1.0") << std::endl
<< "comment Generated by the CGAL library" << std::endl
<< "element vertex " << num_vertices(mesh) << std::endl;
IO::internal::output_property_header(out, make_ply_point_writer (CGAL::Identity_property_map<Point_3>()));
out << "element face " << num_faces(mesh) << std::endl;
IO::internal::output_property_header(out, std::make_pair(CGAL::Identity_property_map<std::vector<std::size_t> >(),
PLY_property<std::vector<int> >("vertex_indices")));
if(has_texture)
{
out << "element halfedge " << num_halfedges(mesh) << std::endl;
IO::internal::output_property_header(out, std::make_pair(CGAL::Identity_property_map<std::size_t >(),
PLY_property<unsigned int >("source")));
IO::internal::output_property_header(out, std::make_pair(CGAL::Identity_property_map<std::size_t >(),
PLY_property<unsigned int >("target")));
IO::internal::output_property_header(out, std::make_tuple(h_uv,
PLY_property<float>("u"),
PLY_property<float>("v")));
}
out << "end_header" << std::endl;
for(vertex_descriptor vd : vertices(mesh))
{
Point_3 p = get(get(CGAL::vertex_point, mesh), vd);
IO::internal::output_properties(out, &p, make_ply_point_writer (CGAL::Identity_property_map<Point_3>()));
}
std::vector<std::size_t> polygon;
for(face_descriptor fd : faces(mesh))
{
polygon.clear();
for(halfedge_descriptor hd : halfedges_around_face(halfedge(fd, mesh), mesh))
polygon.push_back(get(get(boost::vertex_index, mesh), target(hd,mesh)));
IO::internal::output_properties(out, &polygon,
std::make_pair(CGAL::Identity_property_map<std::vector<std::size_t> >(),
PLY_property<std::vector<int> >("vertex_indices")));
}
if(has_texture)
{
for(halfedge_descriptor hd : halfedges(mesh))
{
typedef std::tuple<unsigned int, unsigned int, float, float> Super_tuple;
Super_tuple t = std::make_tuple(source(hd, mesh),target(hd, mesh),
h_uv[hd].first,
h_uv[hd].second);
IO::internal::output_properties(out, &t,
std::make_pair(Nth_of_tuple_property_map<0,Super_tuple>(),
PLY_property<unsigned int >("source")),
std::make_pair(Nth_of_tuple_property_map<1,Super_tuple>(),
PLY_property<unsigned int >("target")),
std::make_pair(Nth_of_tuple_property_map<2,Super_tuple>(),
PLY_property<float>("u")),
std::make_pair(Nth_of_tuple_property_map<3,Super_tuple>(),
PLY_property<float>("v")));
}
}
return out.good();
}
} // namespace CGAL } // namespace CGAL
#endif // CGAL_IO_PLY_H #endif // CGAL_IO_PLY_H