mirror of https://github.com/CGAL/cgal
367 lines
13 KiB
C++
367 lines
13 KiB
C++
// Copyright (c) 2015 GeometryFactory (France). All rights reserved.
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//
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// This file is part of CGAL (www.cgal.org)
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//
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// $URL$
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// $Id$
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// SPDX-License-Identifier: LGPL-3.0-or-later OR LicenseRef-Commercial
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//
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// Author(s) : Andreas Fabri
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// Mael Rouxel-Labbé
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#ifndef CGAL_BGL_IO_GOCAD_H
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#define CGAL_BGL_IO_GOCAD_H
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#include <CGAL/IO/GOCAD.h>
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#include <CGAL/assertions.h>
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#include <CGAL/boost/graph/IO/Generic_facegraph_builder.h>
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#include <CGAL/boost/graph/iterator.h>
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#include <CGAL/boost/graph/Named_function_parameters.h>
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#include <boost/container/flat_map.hpp>
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#include <fstream>
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#include <iostream>
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#include <utility>
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#ifdef DOXYGEN_RUNNING
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#define CGAL_BGL_NP_TEMPLATE_PARAMETERS NamedParameters
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#define CGAL_BGL_NP_CLASS NamedParameters
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#endif
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namespace CGAL {
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////////////////////////////////////////////////////////////////////////////////////////////////////
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////////////////////////////////////////////////////////////////////////////////////////////////////
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/// Read
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namespace IO {
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namespace internal {
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// Use CRTP to gain access to the protected members without getters/setters.
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template <typename FaceGraph, typename Point>
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class GOCAD_builder
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: public Generic_facegraph_builder<FaceGraph, Point, GOCAD_builder<FaceGraph, Point> >
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{
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typedef GOCAD_builder<FaceGraph, Point> Self;
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typedef Generic_facegraph_builder<FaceGraph, Point, Self> Base;
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typedef typename Base::Point_container Point_container;
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typedef typename Base::Face Face;
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typedef typename Base::Face_container Face_container;
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public:
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GOCAD_builder(std::istream& is, bool verbose) : Base(is, verbose) { }
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// @check ascii
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template <typename NamedParameters>
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bool read(std::istream& is,
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Point_container& points,
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Face_container& faces,
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const NamedParameters& np,
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bool verbose)
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{
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std::pair<std::string, std::string> name_and_color;
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bool res = read_GOCAD(is, name_and_color, points, faces, np, verbose);
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if(res)
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{
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name = name_and_color.first;
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color = name_and_color.second;
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}
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return res;
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}
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public:
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std::string name;
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std::string color;
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};
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} // namespace internal
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} // namespace IO
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/// \ingroup PkgBGLIOFct
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///
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/// reads the graph `g` from the input stream in the TS format.
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///
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/// \tparam FaceGraph a model of `MutableFaceGraph`
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/// \tparam NamedParameters a sequence of \ref bgl_namedparameters "Named Parameters"
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///
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/// \param is the input stream
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/// \param name_and_color name and color of the mesh
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/// \param g the graph to be built from the input data
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/// \param verbose whether extra information is printed when an incident occurs during reading
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/// \param np optional \ref bgl_namedparameters "Named Parameters" described below
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///
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/// \cgalNamedParamsBegin
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/// \cgalParamBegin{vertex_point_map} the property map with the points associated to the vertices of `g`.
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/// If this parameter is omitted, an internal property map for
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/// `CGAL::vertex_point_t` should be available in `FaceGraph`
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/// \cgalParamEnd
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/// \cgalNamedParamsEnd
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///
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/// \pre The data must represent a 2-manifold
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///
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/// \attention The graph `g` is not cleared, and the data from the stream is added.
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///
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/// \returns `true` if the resulting mesh is valid.
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///
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/// \see \ref IOStreamGocad
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template <typename FaceGraph, typename CGAL_BGL_NP_TEMPLATE_PARAMETERS>
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bool read_GOCAD(std::istream& is,
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std::pair<std::string, std::string>& name_and_color,
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FaceGraph& g,
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const CGAL_BGL_NP_CLASS& np,
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bool verbose = true)
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{
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typedef typename CGAL::GetVertexPointMap<FaceGraph, CGAL_BGL_NP_CLASS>::type VPM;
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typedef typename boost::property_traits<VPM>::value_type Point;
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IO::internal::GOCAD_builder<FaceGraph, Point> builder(is, verbose);
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if(!builder(g, np))
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return false;
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name_and_color.first = builder.name;
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name_and_color.second = builder.color;
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return is_valid(g); // @fixme keep validity check?
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}
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template <typename FaceGraph, typename CGAL_BGL_NP_TEMPLATE_PARAMETERS>
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bool read_GOCAD(std::istream& is, FaceGraph& g, const CGAL_BGL_NP_CLASS& np, bool verbose = true)
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{
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std::pair<std::string, std::string> dummy;
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return read_GOCAD(is, dummy, g, np, verbose);
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}
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template <typename FaceGraph>
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bool read_GOCAD(std::istream& is,
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std::pair<std::string, std::string>& name_and_color,
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FaceGraph& g)
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{
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return read_GOCAD(is, name_and_color, g, parameters::all_default());
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}
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/// \ingroup PkgBGLIOFct
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///
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/// reads the graph `g` from the file `fname` in the TS format.
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///
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/// \tparam FaceGraph a model of `MutableFaceGraph`
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/// \tparam NamedParameters a sequence of \ref bgl_namedparameters "Named Parameters"
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///
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/// \param fname the name of the input file
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/// \param name_and_color name and color of the mesh
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/// \param g the graph to be built from the input data
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/// \param verbose whether extra information is printed when an incident occurs during reading
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/// \param np optional \ref bgl_namedparameters "Named Parameters" described below
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///
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/// \cgalNamedParamsBegin
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/// \cgalParamBegin{vertex_point_map} the property map with the points associated to the vertices of `g`.
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/// If this parameter is omitted, an internal property map for
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/// `CGAL::vertex_point_t` should be available in `FaceGraph`
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/// \cgalParamEnd
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/// \cgalNamedParamsEnd
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///
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/// \sa Overloads of this function for specific models of the concept `FaceGraph`.
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///
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/// \pre The data must represent a 2-manifold
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///
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/// \see \ref IOStreamGOCAD
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template <typename FaceGraph, typename CGAL_BGL_NP_TEMPLATE_PARAMETERS>
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bool read_GOCAD(const char* fname,
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std::pair<std::string, std::string>& name_and_color,
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FaceGraph& g,
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const CGAL_BGL_NP_CLASS& np,
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bool verbose = true)
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{
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std::ifstream is(fname);
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return read_GOCAD(is, name_and_color, g, np, verbose);
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}
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template <typename FaceGraph, typename CGAL_BGL_NP_TEMPLATE_PARAMETERS>
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bool read_GOCAD(const char* fname, FaceGraph& g, const CGAL_BGL_NP_CLASS& np, bool verbose = true)
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{
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std::pair<std::string, std::string> dummy;
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return read_GOCAD(fname, dummy, g, np, verbose);
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}
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template <typename FaceGraph, typename CGAL_BGL_NP_TEMPLATE_PARAMETERS>
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bool read_GOCAD(const std::string& fname, FaceGraph& g, CGAL_BGL_NP_CLASS np, bool verbose = true)
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{
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return read_GOCAD(fname.c_str(), g, np, verbose);
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}
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template <typename FaceGraph>
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bool read_GOCAD(std::istream& is, FaceGraph& g) { return read_GOCAD(is, g, parameters::all_default()); }
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template <typename FaceGraph>
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bool read_GOCAD(const char* fname, FaceGraph& g) { return read_GOCAD(fname, g, parameters::all_default()); }
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template <typename FaceGraph>
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bool read_GOCAD(const std::string& fname, FaceGraph& g) { return read_GOCAD(fname, g, parameters::all_default()); }
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////////////////////////////////////////////////////////////////////////////////////////////////////
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////////////////////////////////////////////////////////////////////////////////////////////////////
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/// Write
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/// \ingroup PkgBGLIOFct
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///
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/// writes the graph `g` in the TS format into `os`.
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///
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/// \tparam FaceGraph a model of `FaceListGraph`
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/// \tparam NamedParameters a sequence of \ref bgl_namedparameters "Named Parameters"
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///
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/// \param os the stream into which `g` is dumped
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/// \param name the name that will be assigned to `g` in the file
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/// \param g the graph to be output
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/// \param np optional \ref bgl_namedparameters "Named Parameters" described below
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///
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/// \cgalNamedParamsBegin
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/// \cgalParamBegin{vertex_point_map} the property map with the points associated to the vertices of `g`.
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/// If this parameter is omitted, an internal property map for
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/// `CGAL::vertex_point_t` should be available in `FaceGraph`
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/// \cgalParamEnd
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/// \cgalNamedParamsEnd
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///
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/// \see \ref IOStreamGocad
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template <typename FaceGraph, typename CGAL_BGL_NP_TEMPLATE_PARAMETERS>
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bool write_GOCAD(std::ostream& os,
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const char* name,
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const FaceGraph& g,
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const CGAL_BGL_NP_CLASS& np)
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{
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typedef typename boost::graph_traits<FaceGraph>::vertex_descriptor vertex_descriptor;
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typedef typename boost::graph_traits<FaceGraph>::halfedge_descriptor halfedge_descriptor;
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typedef typename boost::graph_traits<FaceGraph>::face_descriptor face_descriptor;
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typedef typename boost::graph_traits<FaceGraph>::vertices_size_type vertices_size_type;
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using parameters::choose_parameter;
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using parameters::get_parameter;
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typename CGAL::GetVertexPointMap<FaceGraph, CGAL_BGL_NP_CLASS>::const_type
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vpm = choose_parameter(get_parameter(np, internal_np::vertex_point),
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get_const_property_map(CGAL::vertex_point, g));
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if(!os.good())
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return false;
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os << "GOCAD TSurf 1\n"
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"HEADER {\n"
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"name:";
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os << name << std::endl;
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os << "*border:on\n"
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"*border*bstone:on\n"
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"}\n"
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"GOCAD_ORIGINAL_COORDINATE_SYSTEM\n"
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"NAME Default\n"
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"AXIS_NAME \"X\" \"Y\" \"Z\"\n"
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"AXIS_UNIT \"m\" \"m\" \"m\"\n"
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"ZPOSITIVE Elevation\n"
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"END_ORIGINAL_COORDINATE_SYSTEM\n"
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"TFACE\n";
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boost::container::flat_map<vertex_descriptor, vertices_size_type> reindex;
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vertices_size_type i = 0;
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for(const vertex_descriptor v : vertices(g))
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{
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os << "VRTX " << i << " " << get(vpm, v) << "\n";
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reindex[v] = i++;
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}
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for(const face_descriptor f : faces(g))
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{
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halfedge_descriptor h = halfedge(f, g);
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os << "TRGL " << reindex[target(prev(h, g), g)] << " "
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<< reindex[target(h, g)] << " "
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<< reindex[target(next(h, g), g)] << "\n";
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}
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os << "END" << std::endl;
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return os.good();
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}
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template <typename FaceGraph>
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bool write_GOCAD(std::ostream& os,
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const char* name,
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const FaceGraph& g)
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{
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return write_GOCAD(os, name, g, parameters::all_default());
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}
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/// \ingroup PkgBGLIOFct
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///
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/// writes the graph `g` in the TS format into a file named `fname`. In this overload,
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/// `fname` is used as the name of the graph within the file.
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///
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/// \tparam FaceGraph a model of `FaceListGraph`
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/// \tparam NamedParameters a sequence of \ref bgl_namedparameters "Named Parameters"
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///
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/// \param fname the name of the output file
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/// \param g the graph to be output
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/// \param np optional \ref bgl_namedparameters "Named Parameters" described below
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///
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/// \cgalNamedParamsBegin
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/// \cgalParamBegin{vertex_point_map} the property map with the points associated to the vertices of `g`.
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/// If this parameter is omitted, an internal property map for
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/// `CGAL::vertex_point_t` should be available in `FaceGraph`
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/// \cgalParamEnd
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/// \cgalNamedParamsEnd
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///
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/// \sa Overloads of this function for specific models of the concept `FaceGraph`.
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///
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/// \see \ref IOStreamGOCAD
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template <typename FaceGraph, typename CGAL_BGL_NP_TEMPLATE_PARAMETERS>
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bool write_GOCAD(const char* fname,
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const FaceGraph& g,
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const CGAL_BGL_NP_CLASS& np)
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{
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std::ofstream os(fname);
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return write_GOCAD(os, fname, g, np);
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}
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template <typename FaceGraph, typename CGAL_BGL_NP_TEMPLATE_PARAMETERS>
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bool write_GOCAD(const std::string& fname, const FaceGraph& g, const CGAL_BGL_NP_CLASS& np)
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{
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return write_GOCAD(fname.c_str(), g, np);
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}
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/// \ingroup PkgBGLIOFct
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///
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/// writes the graph `g` in the TS format into `os`. The name
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/// assigned to `g`in the output is `anonymous`.
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///
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/// \tparam FaceGraph a model of `FaceListGraph`
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/// \tparam NamedParameters a sequence of \ref bgl_namedparameters "Named Parameters"
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///
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/// \param os the output stream
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/// \param g the graph to be output
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/// \param np optional \ref bgl_namedparameters "Named Parameters" described below
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///
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/// \cgalNamedParamsBegin
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/// \cgalParamBegin{vertex_point_map} the property map with the points associated to the vertices of `g`.
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/// If this parameter is omitted, an internal property map for
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/// `CGAL::vertex_point_t` should be available in `FaceGraph`
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/// \cgalParamEnd
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/// \cgalNamedParamsEnd
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///
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/// \see \ref IOStreamGocad
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template <typename FaceGraph, typename CGAL_BGL_NP_TEMPLATE_PARAMETERS>
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bool write_GOCAD(std::ostream& os, const FaceGraph& g, const CGAL_BGL_NP_CLASS& np)
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{
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return write_GOCAD(os, "anonymous", g, np);
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}
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template <typename FaceGraph>
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bool write_GOCAD(std::ostream& os, const FaceGraph& g)
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{
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return write_GOCAD(os, "anonymous", g, parameters::all_default());
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}
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template <typename FaceGraph>
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bool write_GOCAD(const char* fname, const FaceGraph& g) { return write_GOCAD(fname, g, parameters::all_default()); }
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template <typename FaceGraph>
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bool write_GOCAD(const std::string& fname, const FaceGraph& g) { return write_GOCAD(fname, g, parameters::all_default()); }
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} // namespace CGAL
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#endif // CGAL_BGL_IO_GOCAD_H
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