903 lines
24 KiB
C++
Executable File
903 lines
24 KiB
C++
Executable File
// Copyright (c) 2004-2006 INRIA Sophia-Antipolis (France).
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// Copyright (c) 2009 INRIA Sophia-Antipolis (France).
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// All rights reserved.
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//
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// This file is part of CGAL (www.cgal.org).
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// You can redistribute it and/or modify it under the terms of the GNU
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// General Public License as published by the Free Software Foundation,
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// either version 3 of the License, 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: GPL-3.0+
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//
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//
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// Author(s) : Laurent RINEAU, Stephane Tayeb
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#ifndef CGAL_IO_FILE_MEDIT_H
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#define CGAL_IO_FILE_MEDIT_H
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#include <CGAL/license/Mesh_3.h>
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#include <CGAL/Mesh_3/config.h>
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#include <CGAL/utility.h>
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#include <CGAL/basic.h>
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#include <boost/type_traits/is_same.hpp>
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#include <boost/unordered_map.hpp>
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#include <boost/utility/enable_if.hpp>
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#include <iomanip>
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#include <iostream>
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#include <map>
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#include <set>
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#include <string>
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#include <vector>
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namespace CGAL {
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namespace Mesh_3 {
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//-------------------------------------------------------
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// Needed in verbose mode
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//-------------------------------------------------------
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#ifdef CGAL_MESH_3_IO_VERBOSE
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template<class T>
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inline
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std::ostream&
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operator<<(std::ostream &os, const std::pair<T,T>& pair)
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{
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return os << "<" << pair.first << "," << pair.second << ">";
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}
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#endif
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// -----------------------------------
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// Rebind_cell_pmap
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// -----------------------------------
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template <typename C3T3>
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class Rebind_cell_pmap
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{
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typedef typename C3T3::Subdomain_index Subdomain_index;
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typedef std::map<Subdomain_index,int> Subdomain_map;
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typedef typename C3T3::Cell_handle Cell_handle;
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typedef unsigned int size_type;
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public:
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Rebind_cell_pmap(const C3T3& c3t3)
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: r_c3t3_(c3t3)
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{
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typedef typename C3T3::Cells_in_complex_iterator Cell_iterator;
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int first_index = 0;
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int index_counter = first_index + 1;
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for( Cell_iterator cell_it = r_c3t3_.cells_in_complex_begin();
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cell_it != r_c3t3_.cells_in_complex_end();
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++cell_it)
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{
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// Add subdomain index in internal map if needed
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std::pair<typename Subdomain_map::iterator, bool> is_insert_successful =
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subdomain_map_.insert(std::make_pair(r_c3t3_.subdomain_index(cell_it),
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index_counter));
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if(is_insert_successful.second)
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++index_counter;
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}
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// Rebind indices in alphanumeric order
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index_counter = first_index + 1;
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for ( typename Subdomain_map::iterator mit = subdomain_map_.begin() ;
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mit != subdomain_map_.end() ;
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++mit )
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{
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mit->second = index_counter++;
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}
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#ifdef CGAL_MESH_3_IO_VERBOSE
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std::cerr << "Nb of subdomains: " << subdomain_map_.size() << "\n";
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std::cerr << "Subdomain mapping:\n\t" ;
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typedef typename Subdomain_map::iterator Subdomain_map_iterator;
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for ( Subdomain_map_iterator sub_it = subdomain_map_.begin() ;
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sub_it != subdomain_map_.end() ;
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++sub_it )
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{
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std::cerr << "[" << (*sub_it).first << ":" << (*sub_it).second << "] ";
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}
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std::cerr << "\n";
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#endif
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}
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int subdomain_index(const Cell_handle& ch) const
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{
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return subdomain_index(r_c3t3_.subdomain_index(ch));
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}
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size_type subdomain_number() const
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{
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return subdomain_map_.size();
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}
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private:
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int subdomain_index(const Subdomain_index& index) const
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{
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typedef typename Subdomain_map::const_iterator Smi;
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Smi elt_it = subdomain_map_.find(index);
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if ( elt_it != subdomain_map_.end() )
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return elt_it->second;
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else
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return -1;
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}
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private:
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const C3T3& r_c3t3_;
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Subdomain_map subdomain_map_;
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};
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// Accessor
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template <typename C3T3>
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int
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get(const Rebind_cell_pmap<C3T3>& cmap,
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const typename C3T3::Cell_handle& ch)
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{
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return cmap.subdomain_index(ch);
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}
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template <typename C3T3>
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unsigned int get_size(const Rebind_cell_pmap<C3T3>& cmap)
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{
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return cmap.subdomain_number();
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}
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// -----------------------------------
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// No_rebind_cell_pmap
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// -----------------------------------
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template <typename C3T3>
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class No_rebind_cell_pmap
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{
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typedef typename C3T3::Subdomain_index Subdomain_index;
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typedef typename C3T3::Cell_handle Cell_handle;
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typedef unsigned int size_type;
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public:
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No_rebind_cell_pmap(const C3T3& c3t3)
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: r_c3t3_(c3t3) {}
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int subdomain_index(const Cell_handle& ch) const
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{
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return static_cast<int>(r_c3t3_.subdomain_index(ch));
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}
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size_type subdomain_number() const
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{
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typedef typename C3T3::Cells_in_complex_iterator Cell_iterator;
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std::set<Subdomain_index> subdomain_set;
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for( Cell_iterator cell_it = r_c3t3_.cells_in_complex_begin();
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cell_it != r_c3t3_.cells_in_complex_end();
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++cell_it)
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{
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// Add subdomain index in set
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subdomain_set.insert(subdomain_index(cell_it));
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}
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return subdomain_set.size();
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}
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private:
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const C3T3& r_c3t3_;
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};
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// Accessor
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template <typename C3T3>
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int
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get(const No_rebind_cell_pmap<C3T3>& cmap,
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const typename C3T3::Cell_handle& ch)
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{
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return cmap.subdomain_index(ch);
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}
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// -----------------------------------
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// Rebind_facet_pmap
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// -----------------------------------
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template <typename C3T3, typename Cell_pmap>
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class Rebind_facet_pmap
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{
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typedef typename C3T3::Surface_patch_index Surface_patch_index;
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typedef std::map<Surface_patch_index,int> Surface_map;
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typedef typename C3T3::Facet Facet;
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typedef unsigned int size_type;
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public:
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Rebind_facet_pmap(const C3T3& c3t3, const Cell_pmap& cell_pmap)
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: r_c3t3_(c3t3)
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, cell_pmap_(cell_pmap)
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{
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typedef typename C3T3::Facets_in_complex_iterator Facet_iterator;
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int first_index = 1;
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int index_counter = first_index;
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for( Facet_iterator facet_it = r_c3t3_.facets_in_complex_begin();
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facet_it != r_c3t3_.facets_in_complex_end();
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++facet_it)
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{
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// Add surface index in internal map if needed
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std::pair<typename Surface_map::iterator, bool> is_insert_successful =
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surface_map_.insert(std::make_pair(r_c3t3_.surface_patch_index(*facet_it),
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index_counter));
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if(is_insert_successful.second)
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++index_counter;
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}
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// Find cell_pmap_ unused indices
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typedef typename C3T3::Cells_in_complex_iterator Cell_iterator;
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std::set<int> cell_label_set;
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for( Cell_iterator cell_it = r_c3t3_.cells_in_complex_begin();
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cell_it != r_c3t3_.cells_in_complex_end();
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++cell_it)
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{
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// Add subdomain index in set
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cell_label_set.insert(get(cell_pmap_, cell_it));
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}
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// Rebind indices
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index_counter = get_first_unused_label(cell_label_set,first_index);
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for ( typename Surface_map::iterator mit = surface_map_.begin() ;
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mit != surface_map_.end() ;
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++mit )
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{
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mit->second = index_counter++;
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index_counter = get_first_unused_label(cell_label_set,index_counter);
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}
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#ifdef CGAL_MESH_3_IO_VERBOSE
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std::cerr << "Nb of surface patches: " << surface_map_.size() << "\n";
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std::cerr << "Surface mapping:\n\t" ;
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typedef typename Surface_map::iterator Surface_map_iterator;
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for ( Surface_map_iterator surf_it = surface_map_.begin() ;
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surf_it != surface_map_.end() ;
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++surf_it )
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{
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std::cerr << "[" << (*surf_it).first
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<< ":" << (*surf_it).second << "] ";
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}
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std::cerr << "\n";
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#endif
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}
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int surface_index(const Facet& f) const
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{
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return surface_index(r_c3t3_.surface_patch_index(f));
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}
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size_type surface_number() const
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{
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return surface_map_.size();
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}
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private:
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int surface_index(const Surface_patch_index& index) const
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{
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typedef typename Surface_map::const_iterator Smi;
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Smi elt_it = surface_map_.find(index);
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if ( elt_it != surface_map_.end() )
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return elt_it->second;
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else
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return -1;
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}
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int get_first_unused_label(const std::set<int>& label_set,
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int search_start) const
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{
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while ( label_set.end() != label_set.find(search_start) )
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++search_start;
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return search_start;
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}
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private:
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const C3T3& r_c3t3_;
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const Cell_pmap& cell_pmap_;
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Surface_map surface_map_;
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};
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// Accessors
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template <typename C3T3, typename Cell_pmap>
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int
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get(const Rebind_facet_pmap<C3T3,Cell_pmap>& fmap,
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const typename C3T3::Facet& f)
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{
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return fmap.surface_index(f);
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}
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template <typename C3T3, typename Cell_pmap>
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unsigned int
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get_size(const Rebind_facet_pmap<C3T3,Cell_pmap>& fmap,
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const typename C3T3::Facet& f)
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{
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return fmap.surface_number(f);
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}
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// -----------------------------------
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// No_rebind_facet_pmap
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// -----------------------------------
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template <typename C3T3, typename Cell_pmap>
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class No_rebind_facet_pmap
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{
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typedef typename C3T3::Surface_patch_index Surface_patch_index;
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typedef typename C3T3::Facet Facet;
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typedef unsigned int size_type;
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public:
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No_rebind_facet_pmap(const C3T3& c3t3, const Cell_pmap& /*cell_pmap*/)
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: r_c3t3_(c3t3) {}
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int surface_index(const Facet& f) const
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{
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return static_cast<int>(r_c3t3_.surface_patch_index(f));
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}
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private:
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const C3T3& r_c3t3_;
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};
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// Accessors
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template <typename C3T3, typename Cell_pmap>
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int
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get(const No_rebind_facet_pmap<C3T3,Cell_pmap>& fmap,
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const typename C3T3::Facet& f)
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{
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return fmap.surface_index(f);
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}
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// -----------------------------------
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// No_rebind_facet_pmap_first
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// -----------------------------------
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template <typename C3T3, typename Cell_pmap>
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class No_rebind_facet_pmap_first
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{
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typedef typename C3T3::Surface_patch_index Surface_patch_index;
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typedef typename C3T3::Facet Facet;
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typedef unsigned int size_type;
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public:
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No_rebind_facet_pmap_first(const C3T3& c3t3, const Cell_pmap& /*cell_pmap*/)
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: r_c3t3_(c3t3) {}
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int surface_index(const Facet& f) const
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{
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return static_cast<int>(r_c3t3_.surface_patch_index(f).first);
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}
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private:
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const C3T3& r_c3t3_;
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};
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// Accessors
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template <typename C3T3, typename Cell_pmap>
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int
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get(const No_rebind_facet_pmap_first<C3T3,Cell_pmap>& fmap,
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const typename C3T3::Facet& f)
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{
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return fmap.surface_index(f);
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}
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// -----------------------------------
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// No_rebind_facet_pmap_second
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// -----------------------------------
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template <typename C3T3, typename Cell_pmap>
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class No_rebind_facet_pmap_second
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{
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typedef typename C3T3::Surface_patch_index Surface_patch_index;
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typedef typename C3T3::Facet Facet;
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typedef unsigned int size_type;
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public:
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No_rebind_facet_pmap_second(const C3T3& c3t3, const Cell_pmap& /*cell_pmap*/)
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: r_c3t3_(c3t3) {}
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int surface_index(const Facet& f) const
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{
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return static_cast<int>(r_c3t3_.surface_patch_index(f).second);
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}
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private:
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const C3T3& r_c3t3_;
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};
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// Accessors
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template <typename C3T3, typename Cell_pmap>
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int
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get(const No_rebind_facet_pmap_second<C3T3,Cell_pmap>& fmap,
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const typename C3T3::Facet& f)
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{
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return fmap.surface_index(f);
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}
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// -----------------------------------
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// No_patch_facet_pmap_first
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// -----------------------------------
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template <typename C3T3, typename Cell_pmap>
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class No_patch_facet_pmap_first
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{
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typedef typename C3T3::Surface_patch_index Surface_patch_index;
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typedef typename C3T3::Facet Facet;
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typedef typename C3T3::Cell_handle Cell_handle;
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public:
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No_patch_facet_pmap_first(const C3T3&, const Cell_pmap& cell_pmap)
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: cell_pmap_(cell_pmap) { }
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int surface_index(const Facet& f) const
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{
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Cell_handle c1 = f.first;
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Cell_handle c2 = c1->neighbor(f.second);
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int label1 = get(cell_pmap_,c1);
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int label2 = get(cell_pmap_,c2);
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if ( 0 == label1 || -1 == label1 )
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label1 = label2;
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if ( 0 == label2 || -1 == label2 )
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label2 = label1;
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return (std::min)(label1,label2);
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}
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private:
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const Cell_pmap& cell_pmap_;
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};
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// Accessors
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template <typename C3T3, typename Cell_pmap>
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int
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get(const No_patch_facet_pmap_first<C3T3,Cell_pmap>& fmap,
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const typename C3T3::Facet& f)
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{
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return fmap.surface_index(f);
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}
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// -----------------------------------
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// No_patch_facet_pmap_second
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// -----------------------------------
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template <typename C3T3, typename Cell_pmap>
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class No_patch_facet_pmap_second
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{
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typedef typename C3T3::Surface_patch_index Surface_patch_index;
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typedef typename C3T3::Facet Facet;
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typedef typename C3T3::Cell_handle Cell_handle;
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public:
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No_patch_facet_pmap_second(const C3T3&, const Cell_pmap& cell_pmap)
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: cell_pmap_(cell_pmap) { }
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int surface_index(const Facet& f) const
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{
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Cell_handle c1 = f.first;
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Cell_handle c2 = c1->neighbor(f.second);
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int label1 = get(cell_pmap_,c1);
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int label2 = get(cell_pmap_,c2);
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if ( 0 == label1 || -1 == label1 )
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label1 = label2;
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if ( 0 == label2 || -1 == label2 )
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label2 = label1;
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return (std::max)(label1,label2);
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}
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private:
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const Cell_pmap& cell_pmap_;
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};
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// Accessors
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template <typename C3T3, typename Cell_pmap>
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int
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get(const No_patch_facet_pmap_second<C3T3,Cell_pmap>& fmap,
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const typename C3T3::Facet& f)
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{
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return fmap.surface_index(f);
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}
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// -----------------------------------
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// Default_vertex_index_pmap
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// -----------------------------------
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template <typename C3T3, typename Cell_pmap, typename Facet_pmap>
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class Default_vertex_pmap
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{
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typedef typename C3T3::Surface_patch_index Surface_patch_index;
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typedef typename C3T3::Subdomain_index Subdomain_index;
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typedef typename C3T3::Index Index;
|
|
typedef typename C3T3::Vertex_handle Vertex_handle;
|
|
typedef typename C3T3::Cell_handle Cell_handle;
|
|
typedef typename C3T3::Facet Facet;
|
|
|
|
public:
|
|
Default_vertex_pmap(const C3T3& c3t3,
|
|
const Cell_pmap& c_pmap,
|
|
const Facet_pmap& f_pmap)
|
|
: c_pmap_(c_pmap)
|
|
, f_pmap_(f_pmap)
|
|
, r_c3t3_(c3t3)
|
|
, edge_index_(0) {}
|
|
|
|
int index(const Vertex_handle& vh) const
|
|
{
|
|
switch ( r_c3t3_.in_dimension(vh) )
|
|
{
|
|
case 2:
|
|
{
|
|
// Check if each incident surface facet of vh has the same surface index
|
|
typename std::vector<Facet> facets;
|
|
r_c3t3_.triangulation().finite_incident_facets(
|
|
vh, std::back_inserter(facets));
|
|
|
|
if ( facets.begin() == facets.end() )
|
|
return -1;
|
|
|
|
// Look for the first surface facet
|
|
typename std::vector<Facet>::iterator it_facet = facets.begin();
|
|
while ( ! r_c3t3_.is_in_complex(*it_facet) )
|
|
{
|
|
if ( ++it_facet == facets.end() )
|
|
return -1;
|
|
}
|
|
|
|
Surface_patch_index facet_index = r_c3t3_.surface_patch_index(*it_facet);
|
|
Facet facet = *it_facet;
|
|
++it_facet;
|
|
|
|
for( ; it_facet != facets.end() ; ++it_facet)
|
|
{
|
|
// If another index is found, return value for edge vertice
|
|
if ( r_c3t3_.is_in_complex(*it_facet)
|
|
&& !( facet_index == r_c3t3_.surface_patch_index(*it_facet) ) )
|
|
return edge_index_;
|
|
}
|
|
|
|
return get(f_pmap_,facet);
|
|
}
|
|
break;
|
|
|
|
case 3:
|
|
{
|
|
// Returns value of any incident cell
|
|
typename std::vector<Cell_handle> cells;
|
|
r_c3t3_.triangulation().finite_incident_cells(
|
|
vh,std::back_inserter(cells));
|
|
|
|
if ( cells.begin() != cells.end() )
|
|
return get(c_pmap_, *cells.begin());
|
|
else
|
|
return -1;
|
|
}
|
|
break;
|
|
|
|
default:
|
|
// should not happen
|
|
return -1;
|
|
break;
|
|
}
|
|
}
|
|
|
|
private:
|
|
const Cell_pmap& c_pmap_;
|
|
const Facet_pmap& f_pmap_;
|
|
const C3T3& r_c3t3_;
|
|
const unsigned int edge_index_;
|
|
};
|
|
|
|
template <typename C3T3, typename Cell_pmap, typename Facet_pmap>
|
|
int
|
|
get(const Default_vertex_pmap<C3T3,Cell_pmap,Facet_pmap>& vmap,
|
|
const typename C3T3::Vertex_handle& vh)
|
|
{
|
|
return vmap.index(vh);
|
|
}
|
|
|
|
|
|
// -----------------------------------
|
|
// Null pmap
|
|
// -----------------------------------
|
|
template <typename C3T3, typename Cell_pmap>
|
|
struct Null_facet_pmap
|
|
{
|
|
Null_facet_pmap(const C3T3&, const Cell_pmap&) {}
|
|
};
|
|
|
|
template <typename C3T3, typename Cell_pmap>
|
|
int get(const Null_facet_pmap<C3T3,Cell_pmap>&,
|
|
const typename C3T3::Facet&)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
template <typename C3T3, typename Cell_pmap, typename Facet_pmap>
|
|
struct Null_vertex_pmap
|
|
{
|
|
Null_vertex_pmap(const C3T3&, const Cell_pmap&, const Facet_pmap&) {}
|
|
};
|
|
|
|
template <typename C3T3, typename Cell_pmap, typename Facet_pmap>
|
|
int get(const Null_vertex_pmap<C3T3, Cell_pmap, Facet_pmap>&,
|
|
const typename C3T3::Vertex_handle&)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
|
|
// -----------------------------------
|
|
// Generator
|
|
// -----------------------------------
|
|
template <typename C3T3, bool rebind, bool no_patch>
|
|
struct Medit_pmap_generator{};
|
|
|
|
|
|
template <typename C3T3>
|
|
struct Medit_pmap_generator<C3T3, true, false>
|
|
{
|
|
typedef Rebind_cell_pmap<C3T3> Cell_pmap;
|
|
typedef Rebind_facet_pmap<C3T3, Cell_pmap> Facet_pmap;
|
|
typedef Null_facet_pmap<C3T3, Cell_pmap> Facet_pmap_twice;
|
|
typedef Default_vertex_pmap<C3T3, Cell_pmap, Facet_pmap> Vertex_pmap;
|
|
|
|
bool print_twice() { return false; }
|
|
};
|
|
|
|
|
|
template <typename C3T3>
|
|
struct Medit_pmap_generator<C3T3, true, true>
|
|
{
|
|
typedef Rebind_cell_pmap<C3T3> Cell_pmap;
|
|
typedef No_patch_facet_pmap_first<C3T3,Cell_pmap> Facet_pmap;
|
|
typedef No_patch_facet_pmap_second<C3T3,Cell_pmap> Facet_pmap_twice;
|
|
typedef Default_vertex_pmap<C3T3, Cell_pmap, Facet_pmap> Vertex_pmap;
|
|
|
|
bool print_twice() { return true; }
|
|
};
|
|
|
|
|
|
template <typename C3T3>
|
|
struct Medit_pmap_generator<C3T3, false, true>
|
|
{
|
|
typedef No_rebind_cell_pmap<C3T3> Cell_pmap;
|
|
typedef No_patch_facet_pmap_first<C3T3,Cell_pmap> Facet_pmap;
|
|
typedef No_patch_facet_pmap_second<C3T3,Cell_pmap> Facet_pmap_twice;
|
|
typedef Default_vertex_pmap<C3T3, Cell_pmap, Facet_pmap> Vertex_pmap;
|
|
|
|
bool print_twice() { return true; }
|
|
};
|
|
|
|
template <typename C3T3>
|
|
struct Medit_pmap_generator<C3T3, false, false>
|
|
{
|
|
typedef No_rebind_cell_pmap<C3T3> Cell_pmap;
|
|
typedef Rebind_facet_pmap<C3T3,Cell_pmap> Facet_pmap;
|
|
typedef Null_facet_pmap<C3T3, Cell_pmap> Facet_pmap_twice;
|
|
typedef Null_vertex_pmap<C3T3, Cell_pmap, Facet_pmap> Vertex_pmap;
|
|
|
|
bool print_twice() { return false; }
|
|
};
|
|
|
|
|
|
//-------------------------------------------------------
|
|
// IO functions
|
|
//-------------------------------------------------------
|
|
|
|
|
|
|
|
template <class C3T3, bool rebind, bool no_patch>
|
|
void
|
|
output_to_medit(std::ostream& os,
|
|
const C3T3& c3t3)
|
|
{
|
|
#ifdef CGAL_MESH_3_IO_VERBOSE
|
|
std::cerr << "Output to medit:\n";
|
|
#endif
|
|
|
|
typedef Medit_pmap_generator<C3T3,rebind,no_patch> Generator;
|
|
typedef typename Generator::Cell_pmap Cell_pmap;
|
|
typedef typename Generator::Facet_pmap Facet_pmap;
|
|
typedef typename Generator::Facet_pmap_twice Facet_pmap_twice;
|
|
typedef typename Generator::Vertex_pmap Vertex_pmap;
|
|
|
|
Cell_pmap cell_pmap(c3t3);
|
|
Facet_pmap facet_pmap(c3t3,cell_pmap);
|
|
Facet_pmap_twice facet_pmap_twice(c3t3,cell_pmap);
|
|
Vertex_pmap vertex_pmap(c3t3,cell_pmap,facet_pmap);
|
|
|
|
output_to_medit(os,
|
|
c3t3,
|
|
vertex_pmap,
|
|
facet_pmap,
|
|
cell_pmap,
|
|
facet_pmap_twice,
|
|
Generator().print_twice());
|
|
|
|
#ifdef CGAL_MESH_3_IO_VERBOSE
|
|
std::cerr << "done.\n";
|
|
#endif
|
|
}
|
|
|
|
|
|
|
|
template <class C3T3,
|
|
class Vertex_index_property_map,
|
|
class Facet_index_property_map,
|
|
class Facet_index_property_map_twice,
|
|
class Cell_index_property_map>
|
|
void
|
|
output_to_medit(std::ostream& os,
|
|
const C3T3& c3t3,
|
|
const Vertex_index_property_map& vertex_pmap,
|
|
const Facet_index_property_map& facet_pmap,
|
|
const Cell_index_property_map& cell_pmap,
|
|
const Facet_index_property_map_twice& facet_twice_pmap = Facet_index_property_map_twice(),
|
|
const bool print_each_facet_twice = false)
|
|
{
|
|
typedef typename C3T3::Triangulation Tr;
|
|
typedef typename C3T3::Facets_in_complex_iterator Facet_iterator;
|
|
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::Weighted_point Weighted_point;
|
|
|
|
const Tr& tr = c3t3.triangulation();
|
|
|
|
//-------------------------------------------------------
|
|
// File output
|
|
//-------------------------------------------------------
|
|
|
|
//-------------------------------------------------------
|
|
// Header
|
|
//-------------------------------------------------------
|
|
os << std::setprecision(17);
|
|
|
|
os << "MeshVersionFormatted 1\n"
|
|
<< "Dimension 3\n";
|
|
|
|
|
|
//-------------------------------------------------------
|
|
// Vertices
|
|
//-------------------------------------------------------
|
|
os << "Vertices\n" << tr.number_of_vertices() << '\n';
|
|
|
|
boost::unordered_map<Vertex_handle, int> V;
|
|
int inum = 1;
|
|
for( Finite_vertices_iterator vit = tr.finite_vertices_begin();
|
|
vit != tr.finite_vertices_end();
|
|
++vit)
|
|
{
|
|
V[vit] = inum++;
|
|
Weighted_point p = tr.point(vit);
|
|
os << CGAL::to_double(p.x()) << ' '
|
|
<< CGAL::to_double(p.y()) << ' '
|
|
<< CGAL::to_double(p.z()) << ' '
|
|
<< get(vertex_pmap, vit)
|
|
<< '\n';
|
|
}
|
|
|
|
//-------------------------------------------------------
|
|
// Facets
|
|
//-------------------------------------------------------
|
|
typename C3T3::size_type number_of_triangles = c3t3.number_of_facets_in_complex();
|
|
|
|
if ( print_each_facet_twice )
|
|
number_of_triangles += number_of_triangles;
|
|
|
|
os << "Triangles\n"
|
|
<< number_of_triangles << '\n';
|
|
|
|
for( Facet_iterator fit = c3t3.facets_in_complex_begin();
|
|
fit != c3t3.facets_in_complex_end();
|
|
++fit)
|
|
{
|
|
for (int i=0; i<4; i++)
|
|
{
|
|
if (i != fit->second)
|
|
{
|
|
const Vertex_handle& vh = (*fit).first->vertex(i);
|
|
os << V[vh] << ' ';
|
|
}
|
|
}
|
|
os << get(facet_pmap, *fit) << '\n';
|
|
|
|
// Print triangle again if needed
|
|
if ( print_each_facet_twice )
|
|
{
|
|
for (int i=0; i<4; i++)
|
|
{
|
|
if (i != fit->second)
|
|
{
|
|
const Vertex_handle& vh = (*fit).first->vertex(i);
|
|
os << V[vh] << ' ';
|
|
}
|
|
}
|
|
os << get(facet_twice_pmap, *fit) << '\n';
|
|
}
|
|
}
|
|
|
|
//-------------------------------------------------------
|
|
// Tetrahedra
|
|
//-------------------------------------------------------
|
|
os << "Tetrahedra\n"
|
|
<< c3t3.number_of_cells_in_complex() << '\n';
|
|
|
|
for( Cell_iterator cit = c3t3.cells_in_complex_begin() ;
|
|
cit != c3t3.cells_in_complex_end() ;
|
|
++cit )
|
|
{
|
|
for (int i=0; i<4; i++)
|
|
os << V[cit->vertex(i)] << ' ';
|
|
|
|
os << get(cell_pmap, cit) << '\n';
|
|
}
|
|
|
|
//-------------------------------------------------------
|
|
// End
|
|
//-------------------------------------------------------
|
|
os << "End\n";
|
|
|
|
} // end output_to_medit(...)
|
|
|
|
} // end namespace Mesh_3
|
|
|
|
/**
|
|
* @brief outputs mesh to medit format
|
|
* @param os the stream
|
|
* @param c3t3 the mesh
|
|
* @param rebind if true, labels of cells are rebinded into [1..nb_of_labels]
|
|
* @param show_patches if true, patches are labeled with different labels than
|
|
* cells. If false, each surface facet is written twice, using label of
|
|
* each adjacent cell.
|
|
*/
|
|
template <class C3T3>
|
|
void
|
|
output_to_medit(std::ostream& os,
|
|
const C3T3& c3t3,
|
|
bool rebind = false,
|
|
bool show_patches = false)
|
|
{
|
|
if ( rebind )
|
|
{
|
|
if ( show_patches )
|
|
Mesh_3::output_to_medit<C3T3,true,false>(os,c3t3);
|
|
else
|
|
Mesh_3::output_to_medit<C3T3,true,true>(os,c3t3);
|
|
}
|
|
else
|
|
{
|
|
if ( show_patches )
|
|
Mesh_3::output_to_medit<C3T3,false,false>(os,c3t3);
|
|
else
|
|
Mesh_3::output_to_medit<C3T3,false,true>(os,c3t3);
|
|
}
|
|
}
|
|
|
|
} // end namespace CGAL
|
|
|
|
#endif // CGAL_IO_FILE_MEDIT_H
|