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A global function for writing a Planar map to an output stream using a writer.
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Ester Ezra
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// ======================================================================
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//
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// Copyright (c) 1997 The CGAL Consortium
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//
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// This software and related documentation is part of an INTERNAL release
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// of the Computational Geometry Algorithms Library (CGAL). It is not
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// intended for general use.
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//
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// ----------------------------------------------------------------------
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//
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// release : $CGAL_Revision: CGAL-2.3-I-44 $
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// release_date : $CGAL_Date: 2001/03/09 $
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//
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// file : include/CGAL/IO/write_pm.h
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// package : pm (5.45)
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// maintainer : Eyal Flato <flato@math.tau.ac.il>
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// source :
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// revision :
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// revision_date :
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// author(s) : Eti Ezra <estere@post.tau.ac.il>
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//
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//
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// coordinator : Tel-Aviv University (Dan Halperin <halperin@math.tau.ac.il>)
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//
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// Chapter :
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// ======================================================================
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#ifndef CGAL_IO_WRITE_PM_H
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#define CGAL_IO_WRITE_PM_H
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#ifndef CGAL_BASIC_H
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#include <CGAL/basic.h>
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#endif
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#ifndef CGAL_PLANAR_MAP_2_H
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#include <CGAL/Planar_map_2.h>
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#endif
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#ifndef CGAL_INVERSE_INDEX_H
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#include <CGAL/Inverse_index.h>
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#endif
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#include <iostream>
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CGAL_BEGIN_NAMESPACE
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template <class PM, class Writer>
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void write_pm( const PM& pm,
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Writer& writer,
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std::ostream& o)
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{
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//typedef Planar_map_2<Dcel,Traits> PM;
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typedef typename PM::Halfedge_const_iterator HCI;
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typedef typename PM::Vertex_const_iterator VCI;
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typedef Inverse_index<HCI> H_index;
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typedef Inverse_index<VCI> V_index;
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H_index h_index(pm.halfedges_begin(), pm.halfedges_end());
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V_index v_index(pm.vertices_begin(), pm.vertices_end());
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// Print header. write #vertices, #halfedges, #faces.
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writer.write_title("Printing Planar map" /*, pm.number_of_vertices(), pm.number_of_halfedges(), pm.number_of_faces()*/);
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writer.write_comment("Printing number of vertices halfedges and faces in Planar map");
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writer.write_pm_vhf_sizes();
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writer.write_comment("vertices", pm.number_of_vertices());
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typename PM::Vertex_const_iterator vi;
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for (vi = pm.vertices_begin(); vi != pm.vertices_end(); ++vi) {
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writer.write_vertex(vi);
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}
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writer.write_comment("halfedges", pm.number_of_halfedges());
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//writer.write_halfedges_header();
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typename PM::Halfedge_const_iterator ei;
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for (ei = pm.halfedges_begin(); ei != pm.halfedges_end(); ++ei) {
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/* if (writer.verbose())
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writer.write_vertex(ei->target());
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else
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writer.write_index( v_index[ VCI(ei->target())] );*/
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writer.write_halfedge(ei);
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}
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writer.write_comment("faces", pm.number_of_faces());
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//writer.write_faces_header();
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typename PM::Face_const_iterator fi;
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//typename Planar_map_2<Dcel,Traits>::Holes_const_iterator iccbit;
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//typename Planar_map_2<Dcel,Traits>::Ccb_halfedge_const_circulator ccb_circ;
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//int ck;
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int fc_counter;
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for (fc_counter=0,fi = pm.faces_begin(); fi != pm.faces_end(); ++fi,fc_counter++) {
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writer.write_face(fi);
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/*writer.write_face_begin();
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if (fi->is_unbounded()){
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writer.write_comment("UNBOUNDED");
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}
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else {
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writer.write_comment("outer ccb");
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typename Planar_map_2<Dcel,Traits>::Ccb_halfedge_const_circulator first = fi->outer_ccb(), iter = first;
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std::size_t n = circulator_size(first);
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writer.write_number_halfedges_on_boundary(n);
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do{
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writer.write_index( h_index[HCI(iter)] );
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++iter;
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} while (iter != first);
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writer.write_component_face_end();
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}
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for (ck=0, iccbit = (*fi).holes_begin(); iccbit != (*fi).holes_end(); ++iccbit, ck++);
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writer.write_comment("number of holes");
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writer.write_number_of_holes(ck);
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for (iccbit = (*fi).holes_begin(); iccbit != (*fi).holes_end(); ++iccbit){
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writer.write_comment("inner ccb");
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ccb_circ = (*iccbit);
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typename Planar_map_2<Dcel,Traits>::Ccb_halfedge_const_circulator
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//typename Planar_map_2<Dcel,Traits>::Ccb_halfedge_circulator
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iter = ccb_circ;
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std::size_t n = circulator_size(iter);
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writer.write_number_halfedges_on_boundary(n);
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do {
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writer.write_index( h_index[ HCI(iter)] );
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++iter;
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} while (iter != ccb_circ);
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writer.write_face_end();
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}
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writer.write_component_face_end();*/
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}
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writer.write_title("End of Planar map");
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//writer.write_footer();
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}
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CGAL_END_NAMESPACE
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#endif
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