dust3d/thirdparty/cgal/CGAL-4.13/include/CGAL/IO/File_avizo.h

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// Copyright (c) 2012 GeometryFactory Sarl (France).
// All rights reserved.
//
// This file is part of CGAL (www.cgal.org).
// You can redistribute it and/or modify it under the terms of the GNU
// General Public License as published by the Free Software Foundation,
// either version 3 of the License, or (at your option) any later version.
//
// Licensees holding a valid commercial license may use this file in
// accordance with the commercial license agreement provided with the software.
//
// This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
// WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
//
// $URL$
// $Id$
// SPDX-License-Identifier: GPL-3.0+
//
//
// Author(s) : Laurent Rineau
#ifndef CGAL_IO_FILE_AVIZO_H
#define CGAL_IO_FILE_AVIZO_H
#include <CGAL/license/Mesh_3.h>
#include <CGAL/IO/File_medit.h>
#include <iostream>
#include <string>
#include <CGAL/utility.h>
#include <CGAL/Unique_hash_map.h>
namespace CGAL {
namespace Mesh_3 {
template <class C3T3>
void
output_to_avizo(std::ostream& os,
const C3T3& c3t3)
{
typedef typename C3T3::Triangulation Tr;
typedef typename C3T3::Cells_in_complex_iterator Cell_iterator;
typedef typename Tr::Finite_vertices_iterator Finite_vertices_iterator;
typedef typename Tr::Vertex_handle Vertex_handle;
typedef typename Tr::Cell_handle Cell_handle;
typedef typename Tr::Weighted_point Weighted_point;
const Tr& tr = c3t3.triangulation();
CGAL::Unique_hash_map<Vertex_handle, std::size_t> V;
//-------------------------------------------------------
// nodes
//-------------------------------------------------------
os << std::setprecision(17);
os << " # Avizo 3D ASCII 2.0\n\n";
os << "nNodes " << tr.number_of_vertices() << std::endl;
os << "nTetrahedra " << c3t3.number_of_cells_in_complex() << std::endl;
os << "Parameters {\n"
" Materials {\n"
" Material3 {\n"
" Id 1,\n"
" Color 0 0.835294 0.164706\n"
" }\n"
" Material4 {\n"
" Id 2,\n"
" Color 0.862745 0.0901961 0.0901961\n"
" }\n"
" Material5 {\n"
" Id 3,\n"
" Color 0.94902 0.847059 0.0901961\n"
" }\n"
" Material6 {\n"
" Id 4,\n"
" Color 0.8 0.16 0.698646\n"
" }\n"
" Material7 {\n"
" Id 5,\n"
" Color 0.494118 0.494118 1\n"
" }\n"
" Material8 {\n"
" Id 6,\n"
" Color 0.227451 0.227451 0.968627\n"
" }\n"
" Material9 {\n"
" Id 7,\n"
" Color 0.666667 0.666667 0.666667\n"
" }\n"
" }\n"
"}\n"
"Nodes { float[3] Coordinates } @1\n"
"Tetrahedra { int[4] Nodes } @2\n"
"TetrahedronData { byte Materials } @3\n"
"\n"
"# Data section follows\n"
"@1\n";
std::size_t vert_counter = 0;
for(Finite_vertices_iterator
vit = tr.finite_vertices_begin(),
end = tr.finite_vertices_end();
vit != end; ++vit)
{
const Weighted_point& p = tr.point(vit);
const double x = CGAL::to_double(p.x());
const double y = CGAL::to_double(p.y());
const double z = CGAL::to_double(p.z());
V[vit] = ++vert_counter;
os << x << " " << y << " " << z << "\n";
}
//-------------------------------------------------------
// Elements
//-------------------------------------------------------
os << "\n@2\n";
for (Cell_iterator
cit = c3t3.cells_in_complex_begin(),
end = c3t3.cells_in_complex_end();
cit != end; ++cit)
{
const Cell_handle ch = cit;
os << V[ch->vertex(0)] ;
os << " " << V[ch->vertex(1)] ;
os << " " << V[ch->vertex(2)] ;
os << " " << V[ch->vertex(3)] << "\n";
}
os << "\n@3\n";
for (Cell_iterator
cit = c3t3.cells_in_complex_begin(),
end = c3t3.cells_in_complex_end();
cit != end; ++cit)
{
os << cit->subdomain_index() << "\n";
}
} // end output_to_avizo(...)
} // end namespace Mesh_3
/**
* @brief outputs mesh to avizo format
* @param os the stream
* @param c3t3 the mesh
*/
template <class C3T3>
void
output_to_avizo(std::ostream& os,
const C3T3& c3t3)
{
Mesh_3::output_to_avizo(os,c3t3);
}
} // end namespace CGAL
#endif // CGAL_IO_FILE_AVIZO_H