mirror of https://github.com/CGAL/cgal
77 lines
2.4 KiB
C++
77 lines
2.4 KiB
C++
// Copyright (c) 2001 Utrecht University (The Netherlands),
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// ETH Zurich (Switzerland), Freie Universitaet Berlin (Germany),
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// INRIA Sophia-Antipolis (France), Martin-Luther-University Halle-Wittenberg
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// (Germany), Max-Planck-Institute Saarbruecken (Germany), RISC Linz (Austria),
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// and Tel-Aviv University (Israel). All rights reserved.
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//
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// This file is part of CGAL (www.cgal.org); you can redistribute it and/or
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// modify it under the terms of the GNU Lesser General Public License as
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// published by the Free Software Foundation; version 2.1 of the License.
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// See the file LICENSE.LGPL distributed with CGAL.
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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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//
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//
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// Author(s) : Stephane Postollec
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#ifndef CGAL_IO_POLYHEDRON_OS_STREAM_H
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#define CGAL_IO_POLYHEDRON_OS_STREAM_H
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#ifdef CGAL_POLYHEDRON_3_H
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CGAL_BEGIN_NAMESPACE
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template <class Traits, class HDS>
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PS_Stream_3& operator <<(PS_Stream_3& ps, const Polyhedron_3<Traits,HDS>& P)
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{
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typedef Polyhedron_3<Traits,HDS>::Facet_const_iterator FCI;
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typedef
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Polyhedron_3<Traits,HDS>::Halfedge_around_facet_const_circulator HFCC;
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FCI fi = P.facets_begin();
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for(; fi != P.facets_end();++fi)
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{
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Polygon p;
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double scal =ps.compute_plane_equations(*fi).orthogonal_vector() *
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ps.direction().vector();
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std::cout << scal << std::endl;
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if (scal > 0)
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{
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double gris = scal/(ps.norme(
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ps.compute_plane_equations(*fi).orthogonal_vector().x(),
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ps.compute_plane_equations(*fi).orthogonal_vector().y(),
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ps.compute_plane_equations(*fi).orthogonal_vector().z()) *
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ps.norme(ps.direction().vector().x(),
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ps.direction().vector().y(),
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ps.direction().vector().z()));
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HFCC hfc = fi->facet_begin();
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HFCC hfc_end = hfc;
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do {
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p.push_back(ps.transform(ps.trans(),(hfc->vertex())->point()));
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++hfc;
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}while(hfc != hfc_end);
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ps.os() << gris <<" " <<"setgray" <<std::endl;
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ps <<p;
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}
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}
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return ps;
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}
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CGAL_END_NAMESPACE
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#endif // CGAL_POLYHEDRON_3_H
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#endif // CGAL_IO_POLYHEDRON_OS_STREAM_H
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