1822 lines
72 KiB
C++
Executable File
1822 lines
72 KiB
C++
Executable File
// Copyright (c) 2016 GeometryFactory (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) : Maxime Gimeno and Sebastien Loriot
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#ifndef CGAL_POLYGON_MESH_PROCESSING_INTERSECTION_H
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#define CGAL_POLYGON_MESH_PROCESSING_INTERSECTION_H
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#include <CGAL/license/Polygon_mesh_processing/corefinement.h>
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#include <CGAL/disable_warnings.h>
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#include <CGAL/Polygon_mesh_processing/internal/Corefinement/intersection_impl.h>
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#include <boost/type_traits/is_same.hpp>
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#include <boost/utility/enable_if.hpp>
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#include <CGAL/Polygon_mesh_processing/bbox.h>
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#include <CGAL/boost/iterator/counting_iterator.hpp>
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#include <boost/mpl/if.hpp>
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#include <CGAL/Polygon_mesh_processing/bbox.h>
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#include <CGAL/Polygon_mesh_processing/internal/named_params_helper.h>
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#include <CGAL/Polygon_mesh_processing/connected_components.h>
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#include <CGAL/AABB_face_graph_triangle_primitive.h>
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#include <CGAL/AABB_traits.h>
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#include <CGAL/AABB_tree.h>
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#include <CGAL/Side_of_triangle_mesh.h>
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namespace CGAL {
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namespace Polygon_mesh_processing{
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namespace internal {
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template<class TM,
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class Kernel,
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class Box,
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class OutputIterator,
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class VertexPointMap1,
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class VertexPointMap2>
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struct Intersect_faces
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{
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// typedefs
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typedef typename Kernel::Segment_3 Segment;
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typedef typename Kernel::Triangle_3 Triangle;
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typedef typename boost::graph_traits<TM>::halfedge_descriptor halfedge_descriptor;
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typedef typename boost::property_map<TM, boost::vertex_point_t>::const_type Ppmap;
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// members
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const TM& m_tm1;
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const VertexPointMap1 m_vpmap1;
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const TM& m_tm2;
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const VertexPointMap2 m_vpmap2;
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mutable OutputIterator m_iterator;
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typename Kernel::Construct_triangle_3 triangle_functor;
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typename Kernel::Do_intersect_3 do_intersect_3_functor;
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Intersect_faces(const TM& tm1, const TM& tm2,
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OutputIterator it,
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VertexPointMap1 vpmap1, VertexPointMap2 vpmap2,
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const Kernel& kernel)
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:
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m_tm1(tm1),
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m_vpmap1(vpmap1),
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m_tm2(tm2),
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m_vpmap2(vpmap2),
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m_iterator(it),
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triangle_functor(kernel.construct_triangle_3_object()),
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do_intersect_3_functor(kernel.do_intersect_3_object())
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{ }
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void operator()(const Box* b, const Box* c) const
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{
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halfedge_descriptor h = halfedge(b->info(), m_tm1);
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halfedge_descriptor g = halfedge(c->info(), m_tm2);
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// check for geometric intersection
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Triangle t1 = triangle_functor( get(m_vpmap1, target(h,m_tm1)),
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get(m_vpmap1, target(next(h,m_tm1),m_tm1)),
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get(m_vpmap1, source(h,m_tm1)));
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Triangle t2 = triangle_functor( get(m_vpmap2, target(g,m_tm2)),
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get(m_vpmap2, target(next(g,m_tm2),m_tm2)),
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get(m_vpmap2, source(g,m_tm2)));
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if(do_intersect_3_functor(t1, t2)){
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*m_iterator++ = std::make_pair(b->info(), c->info());
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}
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} // end operator ()
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}; // end struct Intersect_faces
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template<class TM,
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class Kernel,
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class Box,
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class OutputIterator,
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class Polyline,
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class VertexPointMap>
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struct Intersect_face_polyline
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{
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// wrapper to check whether anything is inserted to output iterator
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// typedefs
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typedef typename Kernel::Segment_3 Segment;
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typedef typename Kernel::Triangle_3 Triangle;
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typedef typename boost::graph_traits<TM>::halfedge_descriptor halfedge_descriptor;
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typedef typename boost::graph_traits<TM>::face_descriptor face_descriptor;
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typedef typename boost::property_map<TM, boost::vertex_point_t>::const_type Ppmap;
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typedef typename boost::property_traits<Ppmap>::value_type Point;
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// members
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const TM& m_tm;
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const std::vector<face_descriptor>& faces;
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const VertexPointMap m_vpmap;
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const Polyline& polyline;
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mutable OutputIterator m_iterator;
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typename Kernel::Construct_segment_3 segment_functor;
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typename Kernel::Construct_triangle_3 triangle_functor;
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typename Kernel::Do_intersect_3 do_intersect_3_functor;
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Intersect_face_polyline(const TM& tm,
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const std::vector<face_descriptor>& faces,
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const Polyline& polyline,
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OutputIterator it,
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VertexPointMap vpmap,
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const Kernel& kernel)
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:
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m_tm(tm),
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faces(faces),
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m_vpmap(vpmap),
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polyline(polyline),
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m_iterator(it),
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segment_functor(kernel.construct_segment_3_object()),
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triangle_functor(kernel.construct_triangle_3_object()),
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do_intersect_3_functor(kernel.do_intersect_3_object())
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{ }
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void operator()(const Box* b, const Box* c) const
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{
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halfedge_descriptor h = halfedge(faces[b->info()], m_tm);
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// check for geometric intersection
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Triangle t = triangle_functor( get(m_vpmap, target(h,m_tm)),
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get(m_vpmap, target(next(h,m_tm),m_tm)),
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get(m_vpmap, source(h,m_tm)));
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Segment s = segment_functor(polyline[c->info()], polyline[c->info() + 1]);
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if(do_intersect_3_functor(t, s)){
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*m_iterator++ = std::make_pair(b->info(), c->info());
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}
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} // end operator ()
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}; // end struct Intersect_face_polyline
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template<class TM,
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class Kernel,
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class Box,
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class PolylineRange,
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class OutputIterator,
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class VertexPointMap>
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struct Intersect_face_polylines
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{
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// wrapper to check whether anything is inserted to output iterator
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// typedefs
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typedef typename Kernel::Segment_3 Segment;
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typedef typename Kernel::Triangle_3 Triangle;
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typedef typename boost::graph_traits<TM>::halfedge_descriptor halfedge_descriptor;
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typedef typename boost::graph_traits<TM>::face_descriptor face_descriptor;
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typedef typename boost::property_map<TM, boost::vertex_point_t>::const_type Ppmap;
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typedef typename boost::property_traits<Ppmap>::value_type Point;
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// members
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const TM& m_tm;
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const std::vector<face_descriptor>& faces;
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const VertexPointMap m_vpmap;
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const PolylineRange& polylines;
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mutable OutputIterator m_iterator;
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typename Kernel::Construct_segment_3 segment_functor;
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typename Kernel::Construct_triangle_3 triangle_functor;
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typename Kernel::Do_intersect_3 do_intersect_3_functor;
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Intersect_face_polylines(const TM& tm,
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const std::vector<face_descriptor>& faces,
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const PolylineRange& polylines,
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OutputIterator it,
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VertexPointMap vpmap,
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const Kernel& kernel)
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:
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m_tm(tm),
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faces(faces),
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m_vpmap(vpmap),
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polylines(polylines),
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m_iterator(it),
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segment_functor(kernel.construct_segment_3_object()),
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triangle_functor(kernel.construct_triangle_3_object()),
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do_intersect_3_functor(kernel.do_intersect_3_object())
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{ }
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void operator()(const Box* b, const Box* c) const
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{
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halfedge_descriptor h = halfedge(faces[b->info().second], m_tm);
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// check for geometric intersection
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Triangle t = triangle_functor( get(m_vpmap, target(h,m_tm)),
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get(m_vpmap, target(next(h,m_tm),m_tm)),
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get(m_vpmap, source(h,m_tm)));
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Segment s = segment_functor(polylines[c->info().first][c->info().second], polylines[c->info().first][c->info().second + 1]);
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if(do_intersect_3_functor(t, s)){
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*m_iterator++ = std::make_pair(b->info().second, c->info());
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}
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} // end operator ()
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}; // end struct Intersect_face_polylines
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template<class Polyline,
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class Kernel,
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class Box,
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class OutputIterator>
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struct Intersect_polylines
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{
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// typedefs
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typedef typename Kernel::Segment_3 Segment;
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typedef typename Kernel::Point_3 Point;
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// members
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const Polyline& polyline1;
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const Polyline& polyline2;
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mutable OutputIterator m_iterator;
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typename Kernel::Construct_segment_3 segment_functor;
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typename Kernel::Do_intersect_3 do_intersect_3_functor;
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Intersect_polylines(const Polyline& polyline1,
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const Polyline& polyline2,
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OutputIterator it,
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const Kernel& kernel)
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:
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polyline1(polyline1),
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polyline2(polyline2),
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m_iterator(it),
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segment_functor(kernel.construct_segment_3_object()),
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do_intersect_3_functor(kernel.do_intersect_3_object())
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{ }
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void operator()(const Box* b, const Box* c) const
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{
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// check for geometric intersection
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Segment s1 = segment_functor(polyline1[b->info()], polyline1[b->info() + 1]);
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Segment s2 = segment_functor(polyline2[c->info()], polyline2[c->info() + 1]);
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if(do_intersect_3_functor(s1, s2)){
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*m_iterator++ = std::make_pair(b->info(), c->info());
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}
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} // end operator ()
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}; // end struct Intersect_polylines
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template<class PolylineRange,
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class Kernel,
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class Box,
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class OutputIterator>
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struct Intersect_polyline_ranges
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{
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// typedefs
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typedef typename Kernel::Segment_3 Segment;
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typedef typename Kernel::Point_3 Point;
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// members
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const PolylineRange& polyline1;
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const PolylineRange& polyline2;
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mutable OutputIterator m_iterator;
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typename Kernel::Construct_segment_3 segment_functor;
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typename Kernel::Do_intersect_3 do_intersect_3_functor;
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Intersect_polyline_ranges(const PolylineRange& polyline1,
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const PolylineRange& polyline2,
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OutputIterator it,
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const Kernel& kernel)
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:
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polyline1(polyline1),
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polyline2(polyline2),
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m_iterator(it),
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segment_functor(kernel.construct_segment_3_object()),
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do_intersect_3_functor(kernel.do_intersect_3_object())
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{ }
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void operator()(const Box* b, const Box* c) const
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{
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// check for geometric intersection
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Segment s1 = segment_functor(polyline1[b->info().first][b->info().second], polyline1[b->info().first][b->info().second + 1]);
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Segment s2 = segment_functor(polyline2[c->info().first][c->info().second], polyline2[c->info().first][c->info().second + 1]);
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if(do_intersect_3_functor(s1, s2)){
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*m_iterator++ = std::make_pair(b->info(), c->info());
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}
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} // end operator ()
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}; // end struct Intersect_polyline_ranges
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struct Throw_at_first_output {
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class Throw_at_first_output_exception: public std::exception
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{ };
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template<class T>
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void operator()(const T& /* t */) const {
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throw Throw_at_first_output_exception();
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}
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};
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// Note this is not officially documented
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/*
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* reports all the pairs of faces intersecting between two triangulated surface meshes.
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* This function depends on the package \ref PkgBoxIntersectionDSummary.
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*
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* \pre `CGAL::is_triangle_mesh(tm1)`
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* \pre `CGAL::is_triangle_mesh(tm2)`
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*
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* \tparam TriangleMesh a model of `FaceListGraph`
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* \tparam FaceRange range of `boost::graph_traits<TriangleMesh>::%face_descriptor`,
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* model of `RandomAccessRange`.
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* \tparam OutputIterator a model of `OutputIterator` holding objects of type
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* `std::pair<boost::graph_traits<TriangleMesh>::%face_descriptor, boost::graph_traits<TriangleMesh>::%face_descriptor>`
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* \tparam NamedParameters a sequence of \ref pmp_namedparameters
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*
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* \param face_range1 the range of faces of `tm1` to check for intersections.
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* \param face_range2 the range of faces of `tm2` to check for intersections.
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* \param tm1 the first triangulated surface mesh.
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* \param tm2 the second triangulated surface mesh.
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* \param out output iterator to be filled with all pairs of faces that intersect.
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* First and second element in the pairs correspond to faces of `tm1` and `tm2` respectively
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* \param np1 optional sequence of \ref pmp_namedparameters for `tm1`, among the ones listed below
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* \param np2 optional sequence of \ref pmp_namedparameters for `tm2`, among the ones listed 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 `pmesh`.
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* If this parameter is omitted, an internal property map for
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* `CGAL::vertex_point_t` must be available in `TriangleMesh`\cgalParamEnd
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* \cgalParamBegin{geom_traits} an instance of a geometric traits class, model of `PMPSelfIntersectionTraits` \cgalParamEnd
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* \cgalNamedParamsEnd
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* \return `out`
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*/
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template <class TriangleMesh,
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class FaceRange,
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class OutputIterator,
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class NamedParameters1,
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class NamedParameters2>
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OutputIterator
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compute_face_face_intersection(const FaceRange& face_range1,
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const FaceRange& face_range2,
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const TriangleMesh& tm1,
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const TriangleMesh& tm2,
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OutputIterator out,
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const NamedParameters1& np1,
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const NamedParameters2& np2)
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{
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using boost::get_param;
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using boost::choose_param;
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CGAL_precondition(CGAL::is_triangle_mesh(tm1));
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CGAL_precondition(CGAL::is_triangle_mesh(tm2));
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typedef TriangleMesh TM;
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typedef typename boost::graph_traits<TM>::face_descriptor face_descriptor;
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typedef typename CGAL::Box_intersection_d::Box_with_info_d<double, 3, face_descriptor> Box;
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// make one box per facet
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std::vector<Box> boxes1;
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std::vector<Box> boxes2;
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boxes1.reserve(
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std::distance( boost::begin(face_range1), boost::end(face_range1) )
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);
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boxes2.reserve(
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std::distance( boost::begin(face_range2), boost::end(face_range2) )
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);
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typedef typename GetVertexPointMap<TM, NamedParameters1>::const_type VertexPointMap1;
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typedef typename GetVertexPointMap<TM, NamedParameters2>::const_type VertexPointMap2;
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VertexPointMap1 vpmap1 = choose_param(get_param(np1, internal_np::vertex_point),
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get_const_property_map(boost::vertex_point, tm1));
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VertexPointMap2 vpmap2 = choose_param(get_param(np2, internal_np::vertex_point),
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get_const_property_map(boost::vertex_point, tm2));
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CGAL_static_assertion(
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(boost::is_same<
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typename boost::property_traits<VertexPointMap1>::value_type,
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typename boost::property_traits<VertexPointMap2>::value_type
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>::value) );
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BOOST_FOREACH(face_descriptor f, face_range1)
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{
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boxes1.push_back(Box(Polygon_mesh_processing::face_bbox(f, tm1), f));
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}
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BOOST_FOREACH(face_descriptor f, face_range2)
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{
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boxes2.push_back(Box(Polygon_mesh_processing::face_bbox(f, tm2), f));
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}
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// generate box pointers
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std::vector<const Box*> box1_ptr(boost::make_counting_iterator<const Box*>(&boxes1[0]),
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boost::make_counting_iterator<const Box*>(&boxes1[0]+boxes1.size()));
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std::vector<const Box*> box2_ptr(boost::make_counting_iterator<const Box*>(&boxes2[0]),
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boost::make_counting_iterator<const Box*>(&boxes2[0]+boxes2.size()));
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// compute intersections filtered out by boxes
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typedef typename GetGeomTraits<TM, NamedParameters1>::type GeomTraits;
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GeomTraits gt = choose_param(get_param(np1, internal_np::geom_traits), GeomTraits());
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internal::Intersect_faces<TM,
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GeomTraits,
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Box,
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OutputIterator,
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VertexPointMap1,
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VertexPointMap2> Intersect_faces(tm1, tm2,
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out,
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vpmap1, vpmap2,
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gt);
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std::ptrdiff_t cutoff = 2000;
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CGAL::box_intersection_d(box1_ptr.begin(), box1_ptr.end(),
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box2_ptr.begin(), box2_ptr.end(),
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Intersect_faces,cutoff);
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return Intersect_faces.m_iterator;
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}
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// Note this is not officially documented
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/*
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* reports all the pairs of segments and faces intersecting between
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* a triangulated surface mesh and a polyline.
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* \attention If a polyline vertex intersects a face, the intersection will
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* be reported twice (even more if it is on a vertex, edge, or point).
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* This function depends on the package \ref PkgBoxIntersectionDSummary.
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*
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* \pre `CGAL::is_triangle_mesh(tm)`
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*
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* \tparam TriangleMesh a model of `FaceListGraph`
|
|
* \tparam FaceRange range of `boost::graph_traits<TriangleMesh>::%face_descriptor`,
|
|
* model of `RandomAccessRange`.
|
|
* \tparam Polyline a `RandomAccessRange` of points. The point type of the range must be
|
|
* the same as the value type of the vertex point map.
|
|
* \tparam OutputIterator a model of `OutputIterator` holding objects of type
|
|
* `std::pair<std::size_t, std::size_t>`.This `OutputIterator` will hold the position of the
|
|
* elements in their respective range. In the case of the polyline, this position is the index of
|
|
* the segment intersecting the face (which is the index of the first point of the
|
|
* segment following the range order.)
|
|
* \tparam NamedParameters a sequence of \ref pmp_namedparameters
|
|
*
|
|
* \param face_range the range of faces of `tm` to check for intersections.
|
|
* \param polyline the polyline to check for intersections.
|
|
* \param tm the triangulated surface mesh to check for intersections.
|
|
* \param out output iterator to be filled with all pairs of face-segment that intersect
|
|
* \param np optional sequence of \ref pmp_namedparameters for `tm`, among the ones listed below
|
|
*
|
|
* \cgalNamedParamsBegin
|
|
* \cgalParamBegin{vertex_point_map} the property map with the points associated to the vertices of `tm`.
|
|
* If this parameter is omitted, an internal property map for
|
|
* `CGAL::vertex_point_t` must be available in `TriangleMesh`\cgalParamEnd
|
|
* \cgalParamBegin{geom_traits} an instance of a geometric traits class, model of `PMPSelfIntersectionTraits` \cgalParamEnd
|
|
* \cgalNamedParamsEnd
|
|
* \return `out`
|
|
*/
|
|
template <class TriangleMesh,
|
|
class FaceRange,
|
|
class Polyline,
|
|
class OutputIterator,
|
|
class NamedParameters>
|
|
OutputIterator
|
|
compute_face_polyline_intersection( const FaceRange& face_range,
|
|
const Polyline& polyline,
|
|
const TriangleMesh& tm,
|
|
OutputIterator out,
|
|
const NamedParameters& np)
|
|
{
|
|
using boost::choose_param;
|
|
using boost::get_param;
|
|
|
|
CGAL_precondition(CGAL::is_triangle_mesh(tm));
|
|
|
|
typedef TriangleMesh TM;
|
|
typedef typename boost::graph_traits<TM>::face_descriptor face_descriptor;
|
|
typedef typename GetVertexPointMap<TM, NamedParameters>::const_type VertexPointMap;
|
|
|
|
VertexPointMap vpmap = choose_param(get_param(np, internal_np::vertex_point),
|
|
get_const_property_map(boost::vertex_point, tm));
|
|
typedef typename boost::property_traits<VertexPointMap>::value_type Point;
|
|
CGAL_static_assertion(
|
|
(boost::is_same<Point,
|
|
typename boost::range_value<Polyline>::type>::value));
|
|
|
|
std::vector<face_descriptor> faces;
|
|
faces.reserve(std::distance( boost::begin(face_range), boost::end(face_range) ));
|
|
|
|
typedef typename CGAL::Box_intersection_d::Box_with_info_d<double, 3, std::size_t> Box;
|
|
|
|
// make one box per facet
|
|
std::vector<Box> boxes1;
|
|
std::vector<Box> boxes2;
|
|
boxes1.reserve(
|
|
std::distance( boost::begin(face_range), boost::end(face_range) )
|
|
);
|
|
|
|
boxes2.reserve(
|
|
std::distance( boost::begin(polyline), boost::end(polyline) ) - 1
|
|
);
|
|
|
|
|
|
BOOST_FOREACH(face_descriptor f, face_range)
|
|
{
|
|
faces.push_back(f);
|
|
boxes1.push_back(Box(Polygon_mesh_processing::face_bbox(f, tm), faces.size()-1));
|
|
}
|
|
|
|
for(std::size_t i =0; i< polyline.size()-1; ++i)
|
|
{
|
|
Point p1 = polyline[i];
|
|
Point p2 = polyline[i+1];
|
|
boxes2.push_back(Box(p1.bbox() + p2.bbox(), i));
|
|
}
|
|
|
|
// generate box pointers
|
|
|
|
std::vector<const Box*> box1_ptr(boost::make_counting_iterator<const Box*>(&boxes1[0]),
|
|
boost::make_counting_iterator<const Box*>(&boxes1[0]+boxes1.size()));
|
|
std::vector<const Box*> box2_ptr(boost::make_counting_iterator<const Box*>(&boxes2[0]),
|
|
boost::make_counting_iterator<const Box*>(&boxes2[0]+boxes2.size()));
|
|
|
|
// compute intersections filtered out by boxes
|
|
typedef typename GetGeomTraits<TM, NamedParameters>::type GeomTraits;
|
|
GeomTraits gt = choose_param(get_param(np, internal_np::geom_traits), GeomTraits());
|
|
|
|
internal::Intersect_face_polyline<TM,
|
|
GeomTraits,
|
|
Box,
|
|
OutputIterator,
|
|
Polyline,
|
|
VertexPointMap>
|
|
Intersect_face_polyline(tm,
|
|
faces,
|
|
polyline,
|
|
out,
|
|
vpmap,
|
|
gt);
|
|
|
|
std::ptrdiff_t cutoff = 2000;
|
|
CGAL::box_intersection_d(box1_ptr.begin(), box1_ptr.end(),
|
|
box2_ptr.begin(), box2_ptr.end(),
|
|
Intersect_face_polyline, cutoff);
|
|
return Intersect_face_polyline.m_iterator;
|
|
}
|
|
|
|
// Note this is not officially documented
|
|
/*
|
|
* reports all the pairs of segments and faces intersecting between
|
|
* a triangulated surface mesh and a range of polylines.
|
|
* \attention If a polyline vertex intersects a face, the intersection will
|
|
* be reported twice (even more if it is on a vertex, edge, or point).
|
|
* This function depends on the package \ref PkgBoxIntersectionDSummary.
|
|
*
|
|
* \pre `CGAL::is_triangle_mesh(tm)`
|
|
*
|
|
* \tparam TriangleMesh a model of `FaceListGraph`
|
|
* \tparam FaceRange range of `boost::graph_traits<TriangleMesh>::%face_descriptor`,
|
|
* model of `RandomAccessRange`.
|
|
* \tparam PolylineRange a `RandomAccessRange` of `RandomAccessRange` of points. The point type of the range must be
|
|
* the same as the value type of the vertex point map.
|
|
* \tparam OutputIterator a model of `OutputIterator` holding objects of type
|
|
* `std::pair<std::size_t, std::pair<std::size_t, std::size_t> >`.
|
|
* Each pair holds the index of the face and a pair containing the index of the polyline in the range and the index of
|
|
* the first point of the segment in the polyline.
|
|
* \tparam NamedParameters a sequence of \ref pmp_namedparameters
|
|
*
|
|
* \param face_range the range of `tm` faces to check for intersections.
|
|
* \param polyline_range the range of polylines to check for intersections.
|
|
* \param tm the triangulated surface mesh to check for intersections.
|
|
* \param out output iterator to be filled with all pairs of face-segment that intersect
|
|
* \param np optional sequence of \ref pmp_namedparameters for `tm`, among the ones listed below
|
|
*
|
|
* \cgalNamedParamsBegin
|
|
* \cgalParamBegin{vertex_point_map} the property map with the points associated to the vertices of `tm`.
|
|
* If this parameter is omitted, an internal property map for
|
|
* `CGAL::vertex_point_t` must be available in `TriangleMesh`\cgalParamEnd
|
|
* \cgalParamBegin{geom_traits} an instance of a geometric traits class, model of `PMPSelfIntersectionTraits` \cgalParamEnd
|
|
* \cgalNamedParamsEnd
|
|
* \return `out`
|
|
*/
|
|
template <class TriangleMesh,
|
|
class FaceRange,
|
|
class PolylineRange,
|
|
class OutputIterator,
|
|
class NamedParameters>
|
|
OutputIterator
|
|
compute_face_polylines_intersection(const FaceRange& face_range,
|
|
const PolylineRange& polyline_range,
|
|
const TriangleMesh& tm,
|
|
OutputIterator out,
|
|
const NamedParameters& np)
|
|
{
|
|
using boost::choose_param;
|
|
using boost::get_param;
|
|
|
|
CGAL_precondition(CGAL::is_triangle_mesh(tm));
|
|
|
|
typedef TriangleMesh TM;
|
|
typedef typename boost::graph_traits<TM>::face_descriptor face_descriptor;
|
|
typedef typename GetVertexPointMap<TM, NamedParameters>::const_type VertexPointMap;
|
|
|
|
VertexPointMap vpmap = choose_param(get_param(np, internal_np::vertex_point),
|
|
get_const_property_map(boost::vertex_point, tm));
|
|
typedef typename boost::property_traits<VertexPointMap>::value_type Point;
|
|
typedef typename boost::range_value<PolylineRange>::type Polyline;
|
|
CGAL_static_assertion(
|
|
(boost::is_same<Point,
|
|
typename boost::range_value<Polyline>::type>::value));
|
|
|
|
std::vector<face_descriptor> faces;
|
|
faces.reserve(std::distance( boost::begin(face_range), boost::end(face_range) ));
|
|
|
|
typedef typename CGAL::Box_intersection_d::Box_with_info_d<double, 3, std::pair<std::size_t, std::size_t> > Box;
|
|
|
|
// make one box per facet
|
|
std::vector<Box> boxes1;
|
|
std::vector<Box> boxes2;
|
|
boxes1.reserve(
|
|
std::distance( boost::begin(face_range), boost::end(face_range) )
|
|
);
|
|
|
|
std::size_t polylines_size = 0;
|
|
BOOST_FOREACH(Polyline poly, polyline_range)
|
|
{
|
|
polylines_size += std::distance( boost::begin(poly), boost::end(poly) ) -1;
|
|
}
|
|
boxes2.reserve( polylines_size );
|
|
|
|
BOOST_FOREACH(face_descriptor f, face_range)
|
|
{
|
|
faces.push_back(f);
|
|
boxes1.push_back(Box(Polygon_mesh_processing::face_bbox(f, tm), std::make_pair(0, faces.size()-1)));
|
|
}
|
|
std::size_t range_size = std::distance( boost::begin(polyline_range), boost::end(polyline_range) );
|
|
for(std::size_t j = 0; j < range_size; ++j)
|
|
{
|
|
Polyline poly = polyline_range[j];
|
|
std::size_t size = std::distance( boost::begin(poly), boost::end(poly) );
|
|
for(std::size_t i =0; i< size - 1; ++i)
|
|
{
|
|
Point p1 = poly[i];
|
|
Point p2 = poly[i+1];
|
|
boxes2.push_back(Box(p1.bbox() + p2.bbox(), std::make_pair(j, i)));
|
|
}
|
|
}
|
|
|
|
// generate box pointers
|
|
|
|
std::vector<const Box*> box1_ptr(boost::make_counting_iterator<const Box*>(&boxes1[0]),
|
|
boost::make_counting_iterator<const Box*>(&boxes1[0]+boxes1.size()));
|
|
std::vector<const Box*> box2_ptr(boost::make_counting_iterator<const Box*>(&boxes2[0]),
|
|
boost::make_counting_iterator<const Box*>(&boxes2[0]+boxes2.size()));
|
|
|
|
// compute intersections filtered out by boxes
|
|
typedef typename GetGeomTraits<TM, NamedParameters>::type GeomTraits;
|
|
GeomTraits gt = choose_param(get_param(np, internal_np::geom_traits), GeomTraits());
|
|
|
|
internal::Intersect_face_polylines<TM,
|
|
GeomTraits,
|
|
Box,
|
|
PolylineRange,
|
|
OutputIterator,
|
|
VertexPointMap>
|
|
Intersect_face_polyline(tm,
|
|
faces,
|
|
polyline_range,
|
|
out,
|
|
vpmap,
|
|
gt);
|
|
|
|
std::ptrdiff_t cutoff = 2000;
|
|
CGAL::box_intersection_d(box1_ptr.begin(), box1_ptr.end(),
|
|
box2_ptr.begin(), box2_ptr.end(),
|
|
Intersect_face_polyline, cutoff);
|
|
return Intersect_face_polyline.m_iterator;
|
|
}
|
|
|
|
// Note this is not officially documented
|
|
/*
|
|
* detects and records intersections between two polylines.
|
|
* This function depends on the package \ref PkgBoxIntersectionDSummary.
|
|
* \attention If a polyline vertex intersects another polyline, the intersection will
|
|
* be reported twice (even more if it is on a vertex).
|
|
* \tparam Polyline a `RandomAccessRange` of points.
|
|
* \tparam OutputIterator a model of `OutputIterator` holding objects of type
|
|
* `std::pair<std::size_t, std::size_t>`. This OutputIterator will hold the position of the
|
|
* elements in their respective range. This position is the index of the segment that holds the
|
|
* intersection, so it is the index of the first point of the segment following the range order.
|
|
* \tparam Kernel a model of `Kernel`
|
|
*
|
|
* \param polyline1 the first polyline to check for intersections.
|
|
* \param polyline2 the second polyline to check for intersections.
|
|
* \param out output iterator to be filled with all pairs of segments that intersect
|
|
* \param K an instance of `Kernel`
|
|
*
|
|
* \return `out`
|
|
*/
|
|
template < class Polyline,
|
|
class OutputIterator,
|
|
class Kernel>
|
|
OutputIterator
|
|
compute_polyline_polyline_intersection(const Polyline& polyline1,
|
|
const Polyline& polyline2,
|
|
OutputIterator out,
|
|
const Kernel& K)
|
|
{
|
|
typedef typename CGAL::Box_intersection_d::Box_with_info_d<double, 3, std::size_t> Box;
|
|
typedef typename Kernel::Point_3 Point;
|
|
// make one box per facet
|
|
std::vector<Box> boxes1;
|
|
std::vector<Box> boxes2;
|
|
boxes1.reserve(
|
|
std::distance( boost::begin(polyline1), boost::end(polyline1) ) - 1
|
|
);
|
|
|
|
boxes2.reserve(
|
|
std::distance( boost::begin(polyline2), boost::end(polyline2) ) - 1
|
|
);
|
|
|
|
for(std::size_t i =0; i< polyline1.size()-1; ++i)
|
|
{
|
|
const Point& p1 = polyline1[i];
|
|
const Point& p2 = polyline1[i+1];
|
|
boxes1.push_back(Box(p1.bbox() + p2.bbox(), i));
|
|
}
|
|
|
|
for(std::size_t i =0; i< polyline2.size()-1; ++i)
|
|
{
|
|
const Point& p1 = polyline2[i];
|
|
const Point& p2 = polyline2[i+1];
|
|
boxes2.push_back(Box(p1.bbox() + p2.bbox(), i));
|
|
}
|
|
|
|
// generate box pointers
|
|
std::vector<const Box*> box1_ptr(boost::make_counting_iterator<const Box*>(&boxes1[0]),
|
|
boost::make_counting_iterator<const Box*>(&boxes1[0]+boxes1.size()));
|
|
std::vector<const Box*> box2_ptr(boost::make_counting_iterator<const Box*>(&boxes2[0]),
|
|
boost::make_counting_iterator<const Box*>(&boxes2[0]+boxes2.size()));
|
|
|
|
|
|
// compute intersections filtered out by boxes
|
|
|
|
internal::Intersect_polylines<Polyline,
|
|
Kernel,
|
|
Box,
|
|
OutputIterator>
|
|
intersect_polylines(polyline1,
|
|
polyline2,
|
|
out,
|
|
K);
|
|
|
|
std::ptrdiff_t cutoff = 2000;
|
|
CGAL::box_intersection_d(box1_ptr.begin(), box1_ptr.end(),
|
|
box2_ptr.begin(), box2_ptr.end(),
|
|
intersect_polylines, cutoff);
|
|
return intersect_polylines.m_iterator;
|
|
}
|
|
|
|
// Note this is not officially documented
|
|
/*
|
|
* detects and records intersections between two ranges of polylines.
|
|
* \attention If a polyline vertex intersects another polyline, the intersection will
|
|
* be reported twice (even more if it is on a vertex).
|
|
* This function depends on the package \ref PkgBoxIntersectionDSummary.
|
|
*
|
|
* \tparam PolylineRange a `RandomAccessRange` of `RandomAccessRange` of points.
|
|
* \tparam OutputIterator a model of `OutputIterator` holding objects of type
|
|
* `std::pair<std::pair<std::size_t, std::size_t>, std::pair<std::size_t, std::size_t> >`.
|
|
* Each pair holds the index of the face and a pair containing the index of the polyline in the range and the index of
|
|
* the first point of the segment in the polyline.
|
|
* \tparam Kernel a model of `Kernel`
|
|
*
|
|
* \param polylines1 the first range of polylines to check for intersections.
|
|
* \param polylines2 the second range of polylines to check for intersections.
|
|
* \param out output iterator to be filled with all pairs of segments that intersect
|
|
* \param K an instance of `Kernel`
|
|
*
|
|
* \return `out`
|
|
*/
|
|
template < class PolylineRange,
|
|
class OutputIterator,
|
|
class Kernel>
|
|
OutputIterator
|
|
compute_polylines_polylines_intersection(const PolylineRange& polylines1,
|
|
const PolylineRange& polylines2,
|
|
OutputIterator out,
|
|
const Kernel& K)
|
|
{
|
|
//info.first is the index of the polyline in the range, info.second is the index of the point in the polyline
|
|
typedef typename CGAL::Box_intersection_d::Box_with_info_d<double, 3, std::pair<std::size_t, std::size_t> > Box;
|
|
typedef typename Kernel::Point_3 Point;
|
|
typedef typename boost::range_value<PolylineRange>::type Polyline;
|
|
|
|
// make one box per facet
|
|
std::vector<Box> boxes1;
|
|
std::vector<Box> boxes2;
|
|
std::size_t polylines_size = 0;
|
|
BOOST_FOREACH(Polyline poly, polylines1)
|
|
{
|
|
polylines_size += std::distance( boost::begin(poly), boost::end(poly) ) -1;
|
|
}
|
|
boxes1.reserve( polylines_size );
|
|
polylines_size = 0;
|
|
BOOST_FOREACH(Polyline poly, polylines2)
|
|
{
|
|
polylines_size += std::distance( boost::begin(poly), boost::end(poly) ) -1;
|
|
}
|
|
boxes2.reserve(polylines_size);
|
|
|
|
std::size_t range_size = std::distance( boost::begin(polylines1), boost::end(polylines1) );
|
|
for(std::size_t j = 0; j < range_size; ++j)
|
|
{
|
|
Polyline poly = polylines1[j];
|
|
std::size_t size = std::distance( boost::begin(poly), boost::end(poly) );
|
|
for(std::size_t i =0; i< size - 1; ++i)
|
|
{
|
|
const Point& p1 = poly[i];
|
|
const Point& p2 = poly[i+1];
|
|
boxes1.push_back(Box(p1.bbox() + p2.bbox(), std::make_pair(j, i)));
|
|
}
|
|
}
|
|
|
|
range_size = std::distance( boost::begin(polylines2), boost::end(polylines2) );
|
|
for(std::size_t j = 0; j < range_size; ++j)
|
|
{
|
|
Polyline poly = polylines2[j];
|
|
std::size_t size = std::distance( boost::begin(poly), boost::end(poly) );
|
|
for(std::size_t i =0; i< size - 1; ++i)
|
|
{
|
|
const Point& p1 = poly[i];
|
|
const Point& p2 = poly[i+1];
|
|
boxes2.push_back(Box(p1.bbox() + p2.bbox(), std::make_pair(j, i)));
|
|
}
|
|
}
|
|
|
|
// generate box pointers
|
|
std::vector<const Box*> box1_ptr(boost::make_counting_iterator<const Box*>(&boxes1[0]),
|
|
boost::make_counting_iterator<const Box*>(&boxes1[0]+boxes1.size()));
|
|
std::vector<const Box*> box2_ptr(boost::make_counting_iterator<const Box*>(&boxes2[0]),
|
|
boost::make_counting_iterator<const Box*>(&boxes2[0]+boxes2.size()));
|
|
|
|
|
|
// compute intersections filtered out by boxes
|
|
|
|
internal::Intersect_polyline_ranges<PolylineRange,
|
|
Kernel,
|
|
Box,
|
|
OutputIterator>
|
|
intersect_polylines(polylines1,
|
|
polylines2,
|
|
out,
|
|
K);
|
|
|
|
std::ptrdiff_t cutoff = 2000;
|
|
CGAL::box_intersection_d(box1_ptr.begin(), box1_ptr.end(),
|
|
box2_ptr.begin(), box2_ptr.end(),
|
|
intersect_polylines, cutoff);
|
|
return intersect_polylines.m_iterator;
|
|
}
|
|
|
|
// Note this is not officially documented
|
|
/*
|
|
* reports all the pairs of faces intersecting between two triangulated surface meshes.
|
|
* This function depends on the package \ref PkgBoxIntersectionDSummary.
|
|
*
|
|
* @pre `CGAL::is_triangle_mesh(tm1)`
|
|
* @pre `CGAL::is_triangle_mesh(tm2)`
|
|
*
|
|
* \tparam TriangleMesh a model of `FaceListGraph`
|
|
* \tparam OutputIterator a model of `OutputIterator` holding objects of type
|
|
* `std::pair<boost::graph_traits<TriangleMesh>::%face_descriptor, boost::graph_traits<TriangleMesh>::%face_descriptor>`
|
|
* \tparam NamedParameters a sequence of \ref pmp_namedparameters
|
|
*
|
|
* \param tm1 the first triangulated surface mesh to check for intersections
|
|
* \param tm2 the second triangulated surface mesh to check for intersections
|
|
* \param out output iterator to be filled with all pairs of faces that intersect
|
|
* \param np1 optional sequence of \ref pmp_namedparameters for `tm1`, among the ones listed below
|
|
* \param np2 optional sequence of \ref pmp_namedparameters for `tm2`, among the ones listed below
|
|
*
|
|
* \cgalNamedParamsBegin
|
|
* \cgalParamBegin{vertex_point_map} the property map with the points associated to the vertices of `pmesh`.
|
|
* If this parameter is omitted, an internal property map for
|
|
* `CGAL::vertex_point_t` must be available in `TriangleMesh`\cgalParamEnd
|
|
* \cgalParamBegin{geom_traits} an instance of a geometric traits class, model of `PMPSelfIntersectionTraits` \cgalParamEnd
|
|
* \cgalNamedParamsEnd
|
|
* \return `out`
|
|
*/
|
|
template <class TriangleMesh,
|
|
class OutputIterator,
|
|
class NamedParameters1,
|
|
class NamedParameters2>
|
|
OutputIterator
|
|
compute_face_face_intersection(const TriangleMesh& tm1,
|
|
const TriangleMesh& tm2,
|
|
OutputIterator out,
|
|
const NamedParameters1& np1,
|
|
const NamedParameters2& np2)
|
|
{
|
|
return compute_face_face_intersection(faces(tm1), faces(tm2),
|
|
tm1, tm2, out, np1, np2);
|
|
}
|
|
|
|
// Note this is not officially documented
|
|
/*
|
|
* detects and records intersections between a triangulated surface mesh
|
|
* and a polyline.
|
|
* \attention If a polyline vertex intersects a face or another polyline, the intersection will
|
|
* be reported twice (even more if it is on a vertex, edge, or point).
|
|
* This function depends on the package \ref PkgBoxIntersectionDSummary.
|
|
*
|
|
* \pre `CGAL::is_triangle_mesh(tm)`
|
|
*
|
|
* \tparam TriangleMesh a model of `FaceListGraph`
|
|
* \tparam Polyline a `RandomAccessRange` of points. The point type of the range must be the
|
|
* same as the value type of the vertex point map.
|
|
* \cgalDescribePolylineType
|
|
* \tparam OutputIterator a model of `OutputIterator` holding objects of type
|
|
* `std::pair<std::size_t, std::size_t>`. This OutputIterator will hold the position of the
|
|
* elements in their respective range. In the case of the polyline, this position is the index
|
|
* of the segment that holds the intersection, so it is the index of the first point of the
|
|
* segment following the range order.
|
|
* \tparam NamedParameters a sequence of \ref pmp_namedparameters
|
|
*
|
|
* \param tm the triangulated surface mesh to check for intersections.
|
|
* \param polyline the polyline to check for intersections.
|
|
* \param out output iterator to be filled with all pairs of face-segment that intersect
|
|
* \param np optional sequence of \ref pmp_namedparameters for `tm`, among the ones listed below
|
|
*
|
|
* \cgalNamedParamsBegin
|
|
* \cgalParamBegin{vertex_point_map} the property map with the points associated to the vertices of `pmesh`.
|
|
* If this parameter is omitted, an internal property map for
|
|
* `CGAL::vertex_point_t` must be available in `TriangleMesh`\cgalParamEnd
|
|
* \cgalParamBegin{geom_traits} an instance of a geometric traits class, model of `PMPSelfIntersectionTraits` \cgalParamEnd
|
|
* \cgalNamedParamsEnd
|
|
* \return `out`
|
|
*/
|
|
template <class TriangleMesh,
|
|
class Polyline,
|
|
class OutputIterator,
|
|
class NamedParameters>
|
|
OutputIterator
|
|
compute_face_polyline_intersection(const TriangleMesh& tm,
|
|
const Polyline& polyline,
|
|
OutputIterator out,
|
|
const NamedParameters& np)
|
|
{
|
|
return compute_face_polyline_intersection(faces(tm), polyline, tm, out, np);
|
|
}
|
|
|
|
|
|
// functions to check for overlap of meshes
|
|
template <class GT, class TriangleMesh, class VPM>
|
|
void get_one_point_per_cc(TriangleMesh& tm,
|
|
const VPM& vpm,
|
|
std::vector<typename GT::Point_3>& points_of_interest)
|
|
{
|
|
typedef typename boost::graph_traits<TriangleMesh>::face_descriptor face_descriptor;
|
|
boost::unordered_map<face_descriptor, int> fid_map;
|
|
int id = 0;
|
|
BOOST_FOREACH(face_descriptor fd, faces(tm))
|
|
{
|
|
fid_map.insert(std::make_pair(fd,id++));
|
|
}
|
|
boost::associative_property_map< boost::unordered_map<face_descriptor, int> >
|
|
fid_pmap(fid_map);
|
|
boost::unordered_map<face_descriptor, int> fcc_map;
|
|
|
|
int nb_cc = Polygon_mesh_processing::connected_components(tm,
|
|
boost::make_assoc_property_map(fcc_map),
|
|
Polygon_mesh_processing::parameters::face_index_map(fid_pmap));
|
|
std::vector<bool> is_cc_treated(nb_cc, false);
|
|
points_of_interest.resize(nb_cc);
|
|
int cc_treated = 0;
|
|
BOOST_FOREACH(face_descriptor fd, faces(tm))
|
|
{
|
|
int cc=fcc_map[fd];
|
|
if(!is_cc_treated[cc])
|
|
{
|
|
points_of_interest[cc]=get(vpm, target(halfedge(fd, tm),tm));
|
|
is_cc_treated[cc] = true;
|
|
if(++cc_treated == nb_cc)
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
//this assumes the meshes does not intersect
|
|
template <class TriangleMesh, class VPM, class GT, class AABB_tree>
|
|
bool is_mesh2_in_mesh1_impl(const AABB_tree& tree1,
|
|
const std::vector<typename GT::Point_3>& points_of_interest2,
|
|
const GT& gt)
|
|
{
|
|
//for each CC, take a point on it and test bounded side
|
|
Side_of_triangle_mesh<TriangleMesh, GT, VPM> sotm(tree1, gt);
|
|
BOOST_FOREACH(const typename GT::Point_3& p, points_of_interest2)
|
|
{
|
|
if(sotm(p) == CGAL::ON_BOUNDED_SIDE) // sufficient as we know meshes do not intersect
|
|
{
|
|
return true;
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
|
|
template <class TriangleMesh, class VPM1, class VPM2, class GT>
|
|
bool is_mesh2_in_mesh1(const TriangleMesh& tm1,
|
|
const TriangleMesh& tm2,
|
|
const VPM1& vpm1,
|
|
const VPM2& vpm2,
|
|
const GT& gt)
|
|
{
|
|
typedef CGAL::AABB_face_graph_triangle_primitive<TriangleMesh, VPM1> Primitive;
|
|
typedef CGAL::AABB_traits<GT, Primitive> Traits;
|
|
typedef CGAL::AABB_tree<Traits> AABBTree;
|
|
|
|
AABBTree tree1(faces(tm1).begin(), faces(tm1).end(), tm1, vpm1);
|
|
std::vector<typename GT::Point_3> points_of_interest2;
|
|
get_one_point_per_cc<GT>(tm2, vpm2, points_of_interest2);
|
|
|
|
return is_mesh2_in_mesh1_impl<TriangleMesh, VPM1>(tree1, points_of_interest2, gt);
|
|
}
|
|
|
|
|
|
}// namespace internal
|
|
|
|
/**
|
|
* \ingroup PMP_predicates_grp
|
|
* returns `true` if any segment of any polyline of `polylines1` intersects
|
|
* any segment of any polyline of `polylines2`, and `false` otherwise.
|
|
* This function depends on the package \ref PkgBoxIntersectionDSummary.
|
|
*
|
|
* \tparam PolylineRange a `RandomAccessRange` of `RandomAccessRange` of points.
|
|
* The point type must be from a 3D point from a \cgal Kernel.
|
|
* \cgalDescribePolylineType
|
|
*
|
|
* @param polylines1 the first range of polylines to check for intersections.
|
|
* @param polylines2 the second range of polylines to check for intersections.
|
|
*
|
|
*/
|
|
template <class PolylineRange>
|
|
bool do_intersect(const PolylineRange& polylines1,
|
|
const PolylineRange& polylines2
|
|
#ifndef DOXYGEN_RUNNING
|
|
, const typename boost::enable_if<
|
|
typename boost::has_range_iterator<
|
|
typename boost::mpl::eval_if<
|
|
boost::has_range_iterator<PolylineRange>,
|
|
boost::range_value<PolylineRange>,
|
|
boost::false_type >::type
|
|
>::type
|
|
>::type* = 0//end enable_if
|
|
#endif
|
|
)
|
|
{
|
|
typedef typename boost::range_value<PolylineRange>::type Polyline;
|
|
typedef typename boost::range_value<Polyline>::type Point;
|
|
typedef typename CGAL::Kernel_traits<Point>::Kernel K;
|
|
try
|
|
{
|
|
typedef boost::function_output_iterator<internal::Throw_at_first_output> OutputIterator;
|
|
internal::compute_polylines_polylines_intersection(polylines1, polylines2, OutputIterator(), K());
|
|
}
|
|
catch( internal::Throw_at_first_output::Throw_at_first_output_exception& )
|
|
{ return true; }
|
|
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* \ingroup PMP_predicates_grp
|
|
* returns `true` if any segment of `polyline1` intersects any segment of `polyline2`, and `false` otherwise.
|
|
* This function depends on the package \ref PkgBoxIntersectionDSummary.
|
|
*
|
|
* \tparam Polyline a `RandomAccessRange` of points.
|
|
* The point type must be from a 3D point type from \cgal Kernel.
|
|
* \cgalDescribePolylineType
|
|
*
|
|
* @param polyline1 the first polyline to check for intersections.
|
|
* @param polyline2 the second polyline to check for intersections.
|
|
*
|
|
*/
|
|
template <class Polyline>
|
|
bool do_intersect(const Polyline& polyline1,
|
|
const Polyline& polyline2
|
|
#ifndef DOXYGEN_RUNNING
|
|
, const typename boost::enable_if<
|
|
typename boost::has_range_const_iterator<Polyline>::type
|
|
>::type* = 0,
|
|
const typename boost::disable_if<
|
|
typename boost::has_range_iterator<
|
|
typename boost::mpl::eval_if<
|
|
boost::has_range_iterator<Polyline>,
|
|
boost::range_value<Polyline>,
|
|
boost::false_type
|
|
>::type
|
|
>::type
|
|
>::type* = 0//end enable_if
|
|
#endif
|
|
)
|
|
{
|
|
typedef typename boost::range_value<Polyline>::type Point;
|
|
typedef typename CGAL::Kernel_traits<Point>::Kernel K;
|
|
try
|
|
{
|
|
typedef boost::function_output_iterator<internal::Throw_at_first_output> OutputIterator;
|
|
internal::compute_polyline_polyline_intersection(polyline1, polyline2, OutputIterator(), K());
|
|
}
|
|
catch( internal::Throw_at_first_output::Throw_at_first_output_exception& )
|
|
{ return true; }
|
|
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* \ingroup PMP_predicates_grp
|
|
* returns `true` if any face of `tm1` intersects any face of `tm2`, and `false` otherwise.
|
|
* If `do_overlap_test_of_bounded_sides` is set to `true`, the overlap of bounded sides are tested as well. In that case, the meshes must be closed.
|
|
* This function depends on the package \ref PkgBoxIntersectionDSummary.
|
|
*
|
|
* @pre `CGAL::is_triangle_mesh(tm1)`
|
|
* @pre `CGAL::is_triangle_mesh(tm2)`
|
|
* @pre `!do_overlap_test_of_bounded_sides || CGAL::is_closed(tm1)`
|
|
* @pre `!do_overlap_test_of_bounded_sides || CGAL::is_closed(tm2)`
|
|
*
|
|
* @tparam TriangleMesh a model of `FaceListGraph`
|
|
* @tparam NamedParameters1 a sequence of \ref pmp_namedparameters for `tm1`
|
|
* @tparam NamedParameters2 a sequence of \ref pmp_namedparameters for `tm2`
|
|
*
|
|
* @param tm1 the first triangulated surface mesh to check for intersections
|
|
* @param tm2 the second triangulated surface mesh to check for intersections
|
|
* @param np1 optional sequence of \ref pmp_namedparameters for `tm1`, among the ones listed below
|
|
* @param np2 optional sequence of \ref pmp_namedparameters for `tm2`, among the ones listed below
|
|
*
|
|
* \cgalNamedParamsBegin
|
|
* \cgalParamBegin{vertex_point_map} the property map with the points associated to the vertices of `tm1` (tm2`).
|
|
* \attention The two property maps must have the same `value_type`.
|
|
* If this parameter is omitted, an internal property map for
|
|
* `CGAL::vertex_point_t` must be available in `TriangleMesh`\cgalParamEnd
|
|
* \cgalParamBegin{geom_traits} an instance of a geometric traits class, model of `PMPSelfIntersectionTraits` \cgalParamEnd
|
|
* \cgalParamBegin{do_overlap_test_of_bounded_sides} if set to `true` tests also the overlap of the bounded sides of `tm1` and `tm2`.
|
|
* If `false` (default), only the intersection of surface triangles are tested.
|
|
* \cgalParamEnd
|
|
* \cgalNamedParamsEnd
|
|
*
|
|
*/
|
|
template <class TriangleMesh,
|
|
class NamedParameters1,
|
|
class NamedParameters2>
|
|
bool do_intersect(const TriangleMesh& tm1,
|
|
const TriangleMesh& tm2,
|
|
const NamedParameters1& np1,
|
|
const NamedParameters2& np2)
|
|
{
|
|
using boost::choose_param;
|
|
using boost::get_param;
|
|
|
|
bool test_overlap = choose_param(get_param(np1, internal_np::overlap_test),false) ||
|
|
choose_param(get_param(np2, internal_np::overlap_test),false);
|
|
|
|
CGAL_precondition(CGAL::is_triangle_mesh(tm1));
|
|
CGAL_precondition(CGAL::is_triangle_mesh(tm2));
|
|
CGAL_precondition(!test_overlap || CGAL::is_closed(tm1));
|
|
CGAL_precondition(!test_overlap || CGAL::is_closed(tm2));
|
|
|
|
try
|
|
{
|
|
typedef boost::function_output_iterator<internal::Throw_at_first_output> OutputIterator;
|
|
internal::compute_face_face_intersection(tm1,tm2, OutputIterator(), np1, np2);
|
|
}
|
|
catch( internal::Throw_at_first_output::Throw_at_first_output_exception& )
|
|
{ return true; }
|
|
|
|
if (test_overlap)
|
|
{
|
|
typedef typename GetVertexPointMap<TriangleMesh, NamedParameters1>::const_type VertexPointMap1;
|
|
typedef typename GetVertexPointMap<TriangleMesh, NamedParameters2>::const_type VertexPointMap2;
|
|
VertexPointMap1 vpm1 = choose_param(get_param(np1, internal_np::vertex_point),
|
|
get_const_property_map(boost::vertex_point, tm1));
|
|
VertexPointMap2 vpm2 = choose_param(get_param(np2, internal_np::vertex_point),
|
|
get_const_property_map(boost::vertex_point, tm2));
|
|
typedef typename GetGeomTraits<TriangleMesh, NamedParameters1>::type GeomTraits;
|
|
GeomTraits gt = choose_param(get_param(np1, internal_np::geom_traits), GeomTraits());
|
|
|
|
return internal::is_mesh2_in_mesh1(tm1, tm2, vpm1, vpm2, gt) ||
|
|
internal::is_mesh2_in_mesh1(tm2, tm1, vpm2, vpm1, gt);
|
|
}
|
|
return false;
|
|
}
|
|
|
|
//convenient overload
|
|
template <class TriangleMesh>
|
|
bool do_intersect(const TriangleMesh& tm1,
|
|
const TriangleMesh& tm2,
|
|
const typename boost::disable_if<
|
|
typename boost::has_range_const_iterator<TriangleMesh>::type
|
|
>::type* = 0)
|
|
{
|
|
CGAL_precondition(CGAL::is_triangle_mesh(tm1));
|
|
CGAL_precondition(CGAL::is_triangle_mesh(tm2));
|
|
return do_intersect(tm1, tm2, parameters::all_default(), parameters::all_default());
|
|
}
|
|
|
|
/**
|
|
* \ingroup PMP_predicates_grp
|
|
* returns `true` if any face of `tm` and any segment of any polyline of `polylines` intersects, and `false` otherwise.
|
|
* This function depends on the package \ref PkgBoxIntersectionDSummary.
|
|
* @pre `CGAL::is_triangle_mesh(tm)`
|
|
*
|
|
* \tparam TriangleMesh a model of `FaceListGraph`
|
|
* \tparam PolylineRange a `RandomAccessRange` of `RandomAccessRange` of points. The point type of the range must be the
|
|
* same as the value type of the vertex point map.
|
|
* \cgalDescribePolylineType
|
|
* @tparam NamedParameters a sequence of \ref pmp_namedparameters
|
|
*
|
|
* @param tm the triangulated surface mesh to check for intersections
|
|
* @param polylines the range of polylines to check for intersections.
|
|
* @param np optional sequence of \ref pmp_namedparameters among the ones listed below
|
|
*
|
|
* \cgalNamedParamsBegin
|
|
* \cgalParamBegin{vertex_point_map} the property map with the points associated to the vertices of `tm`.
|
|
* If this parameter is omitted, an internal property map for
|
|
* `CGAL::vertex_point_t` must be available in `TriangleMesh`\cgalParamEnd
|
|
* \cgalParamBegin{geom_traits} an instance of a geometric traits class, model of `PMPSelfIntersectionTraits` \cgalParamEnd
|
|
* \cgalNamedParamsEnd
|
|
*
|
|
*/
|
|
template <class TriangleMesh,
|
|
class PolylineRange,
|
|
class NamedParameters>
|
|
bool do_intersect(const TriangleMesh& tm,
|
|
const PolylineRange& polylines,
|
|
const NamedParameters& np
|
|
#ifndef DOXYGEN_RUNNING
|
|
, const typename boost::enable_if<
|
|
typename boost::has_range_iterator<
|
|
typename boost::mpl::eval_if<
|
|
boost::has_range_iterator<PolylineRange>,
|
|
boost::range_value<PolylineRange>,
|
|
boost::false_type
|
|
>::type
|
|
>::type
|
|
>::type* = 0//end enable_if
|
|
#endif
|
|
)
|
|
{
|
|
CGAL_precondition(CGAL::is_triangle_mesh(tm));
|
|
|
|
try
|
|
{
|
|
typedef boost::function_output_iterator<internal::Throw_at_first_output> OutputIterator;
|
|
internal::compute_face_polylines_intersection(faces(tm), polylines, tm, OutputIterator(), np);
|
|
}
|
|
catch( internal::Throw_at_first_output::Throw_at_first_output_exception& )
|
|
{ return true; }
|
|
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* \ingroup PMP_predicates_grp
|
|
* returns `true` if any face of `tm` and any segment of `polyline` intersects, and `false` otherwise.
|
|
* This function depends on the package \ref PkgBoxIntersectionDSummary.
|
|
* @pre `CGAL::is_triangle_mesh(tm)`
|
|
*
|
|
* \tparam TriangleMesh a model of `FaceListGraph`
|
|
* \tparam Polyline a `RandomAccessRange` of points. The point type of the range must be the
|
|
* same as the value type of the vertex point map.
|
|
* \cgalDescribePolylineType
|
|
* @tparam NamedParameters a sequence of \ref pmp_namedparameters
|
|
*
|
|
* @param tm the triangulated surface mesh to check for intersections
|
|
* @param polyline the polyline to check for intersections.
|
|
* @param np optional sequence of \ref pmp_namedparameters among the ones listed below
|
|
*
|
|
* \cgalNamedParamsBegin
|
|
* \cgalParamBegin{vertex_point_map} the property map with the points associated to the vertices of `tn`.
|
|
* If this parameter is omitted, an internal property map for
|
|
* `CGAL::vertex_point_t` must be available in `TriangleMesh`\cgalParamEnd
|
|
* \cgalParamBegin{geom_traits} an instance of a geometric traits class, model of `PMPSelfIntersectionTraits` \cgalParamEnd
|
|
* \cgalNamedParamsEnd
|
|
*
|
|
*/
|
|
template <class TriangleMesh,
|
|
class Polyline,
|
|
class NamedParameters>
|
|
bool do_intersect(const TriangleMesh& tm,
|
|
const Polyline& polyline,
|
|
const NamedParameters& np
|
|
#ifndef DOXYGEN_RUNNING
|
|
, const typename boost::disable_if<
|
|
typename boost::has_range_iterator<
|
|
typename boost::mpl::eval_if<
|
|
boost::has_range_iterator<Polyline>,
|
|
boost::range_value<Polyline>,
|
|
boost::false_type
|
|
>::type
|
|
>::type
|
|
>::type* = 0
|
|
#endif
|
|
)
|
|
{
|
|
CGAL_precondition(CGAL::is_triangle_mesh(tm));
|
|
|
|
try
|
|
{
|
|
typedef boost::function_output_iterator<internal::Throw_at_first_output> OutputIterator;
|
|
internal::compute_face_polyline_intersection(tm,polyline, OutputIterator(), np);
|
|
}
|
|
catch( internal::Throw_at_first_output::Throw_at_first_output_exception& )
|
|
{ return true; }
|
|
|
|
return false;
|
|
}
|
|
|
|
template <class TriangleMesh,
|
|
class PolylineRange>
|
|
bool do_intersect(const TriangleMesh& tm,
|
|
const PolylineRange& polylines,
|
|
const typename boost::enable_if<
|
|
typename boost::has_range_iterator<
|
|
typename boost::mpl::eval_if<
|
|
boost::has_range_iterator<PolylineRange>,
|
|
boost::range_value<PolylineRange>,
|
|
boost::false_type
|
|
>::type
|
|
>::type
|
|
>::type* = 0)
|
|
{
|
|
CGAL_precondition(CGAL::is_triangle_mesh(tm));
|
|
|
|
return do_intersect(tm, polylines, parameters::all_default());
|
|
}
|
|
|
|
|
|
template <class TriangleMesh,
|
|
class Polyline>
|
|
bool do_intersect(const TriangleMesh& tm,
|
|
const Polyline& polyline,
|
|
const typename boost::disable_if<
|
|
typename boost::has_range_const_iterator<TriangleMesh>::type
|
|
>::type* = 0,
|
|
const typename boost::disable_if<
|
|
typename boost::has_range_iterator<
|
|
typename boost::mpl::eval_if<
|
|
boost::has_range_iterator<Polyline>,
|
|
boost::range_value<Polyline>,
|
|
boost::false_type
|
|
>::type
|
|
>::type
|
|
>::type* = 0)
|
|
{
|
|
CGAL_precondition(CGAL::is_triangle_mesh(tm));
|
|
|
|
return do_intersect(tm, polyline, parameters::all_default());
|
|
}
|
|
|
|
namespace internal{
|
|
|
|
template<class TriangleMeshRange,
|
|
class GT,
|
|
typename OutputIterator,
|
|
class NamedParametersRange>
|
|
struct Mesh_callback
|
|
{
|
|
typedef typename boost::range_value<TriangleMeshRange>::type TriangleMesh;
|
|
typedef typename boost::range_value<NamedParametersRange>::type NamedParameter;
|
|
typedef typename GetVertexPointMap<TriangleMesh, NamedParameter>::const_type VPM;
|
|
typedef CGAL::AABB_face_graph_triangle_primitive<TriangleMesh, VPM> Primitive;
|
|
typedef CGAL::AABB_traits<GT, Primitive> Traits;
|
|
typedef CGAL::AABB_tree<Traits> AABBTree;
|
|
typedef typename boost::graph_traits<TriangleMesh>::face_descriptor face_descriptor;
|
|
|
|
// fill them in the operator and test for inclusion with
|
|
// Side_of_triangle_mesh.
|
|
const TriangleMeshRange& meshes;
|
|
OutputIterator m_iterator;
|
|
const bool report_overlap;
|
|
const NamedParametersRange& nps;
|
|
std::vector<AABBTree*> trees;
|
|
GT gt;
|
|
|
|
std::vector<std::vector<CGAL::Point_3<GT> > > points_of_interest;
|
|
|
|
Mesh_callback(const TriangleMeshRange& meshes,
|
|
OutputIterator iterator,
|
|
const bool report_overlap,
|
|
const GT& gt,
|
|
const NamedParametersRange& nps)
|
|
: meshes(meshes), m_iterator(iterator),
|
|
report_overlap(report_overlap), nps(nps), gt(gt)
|
|
{
|
|
std::size_t size = std::distance(meshes.begin(), meshes.end());
|
|
trees = std::vector<AABBTree*>(size, NULL);
|
|
points_of_interest.resize(size);
|
|
}
|
|
|
|
~Mesh_callback()
|
|
{
|
|
BOOST_FOREACH(AABBTree* tree, trees)
|
|
{
|
|
delete tree;
|
|
}
|
|
}
|
|
|
|
template<class TriangleMesh,
|
|
class VPM>
|
|
bool is_mesh2_in_mesh1(const TriangleMesh& tm1,
|
|
const TriangleMesh& tm2,
|
|
const std::size_t mesh_id_1,
|
|
const std::size_t mesh_id_2,
|
|
const VPM& vpm1,
|
|
const VPM& vpm2)
|
|
{
|
|
//test if tm2 is included in tm1
|
|
|
|
//get AABB_tree for tm1
|
|
if(!trees[mesh_id_1])
|
|
{
|
|
trees[mesh_id_1] = new AABBTree(faces(tm1).begin(),
|
|
faces(tm1).end(),
|
|
tm1, vpm1);
|
|
}
|
|
//get a face-index map for tm2
|
|
if(points_of_interest[mesh_id_2].size() == 0)
|
|
get_one_point_per_cc<GT>(tm2, vpm2, points_of_interest[mesh_id_2]);
|
|
|
|
//test if tm2 is included in tm1:
|
|
return is_mesh2_in_mesh1_impl<TriangleMesh, VPM, GT>(
|
|
*trees[mesh_id_1], points_of_interest[mesh_id_2], gt);
|
|
}
|
|
|
|
template<class Mesh_box>
|
|
void operator()(const Mesh_box* b1, const Mesh_box* b2)
|
|
{
|
|
using boost::choose_param;
|
|
using boost::get_param;
|
|
|
|
std::size_t mesh_id_1 = std::distance(meshes.begin(), b1->info());
|
|
std::size_t mesh_id_2 = std::distance(meshes.begin(), b2->info());
|
|
|
|
|
|
VPM vpm1 = choose_param(get_param(*(nps.begin() + mesh_id_1), internal_np::vertex_point),
|
|
get_const_property_map(CGAL::vertex_point, *b1->info()));
|
|
|
|
VPM vpm2 = choose_param(get_param(*(nps.begin() + mesh_id_2), internal_np::vertex_point),
|
|
get_const_property_map(CGAL::vertex_point, *b2->info()));
|
|
|
|
//surfacic test
|
|
if(Polygon_mesh_processing::do_intersect(*b1->info(),
|
|
*b2->info(),
|
|
Polygon_mesh_processing::parameters::vertex_point_map(vpm1)
|
|
.geom_traits(gt),
|
|
Polygon_mesh_processing::parameters::vertex_point_map(vpm2)
|
|
.geom_traits(gt)))
|
|
{
|
|
*m_iterator++ = std::make_pair(mesh_id_1, mesh_id_2);
|
|
}
|
|
//volumic test
|
|
else if(report_overlap)
|
|
{
|
|
if(!CGAL::do_overlap(b1->bbox(), b2->bbox()))
|
|
return;
|
|
if(is_mesh2_in_mesh1(*b1->info(), *b2->info(), mesh_id_1, mesh_id_2, vpm1, vpm2))
|
|
*m_iterator++ = std::make_pair(mesh_id_1, mesh_id_2);
|
|
else if(is_mesh2_in_mesh1(*b2->info(), *b1->info(), mesh_id_2, mesh_id_1, vpm2, vpm1))
|
|
*m_iterator++ = std::make_pair(mesh_id_2, mesh_id_1);
|
|
}
|
|
}
|
|
};
|
|
}//end internal
|
|
|
|
/*!
|
|
* \ingroup PMP_predicates_grp
|
|
* detects and reports all the pairs of meshes intersecting in a range of triangulated surface meshes.
|
|
* A pair of meshes intersecting is put in the output iterator `out` as a `std::pair<std::size_t, std::size_t>`,
|
|
* each index refering to the index of the triangle mesh in the input range.
|
|
* If `do_overlap_test_of_bounded_sides` is `true`, the overlap of bounded sides are tested as well. In that case, the meshes must be closed.
|
|
* This function depends on the package \ref PkgBoxIntersectionDSummary.
|
|
*
|
|
* \tparam TriangleMeshRange a model of `RandomAccessRange` of triangulated surface meshes model of `FaceListGraph`.
|
|
* \tparam OutputIterator an output iterator in which `std::pair<std::size_t, std::size_t>` can be put.
|
|
* \tparam NamedParameters a sequence of \ref pmp_namedparameters for the algorithm
|
|
* \tparam NamedParametersRange a range of named parameters for the meshes.
|
|
*
|
|
* \param range the range of triangulated surface meshes to be checked for intersections.
|
|
* \param out output iterator used to collect pairs of intersecting meshes.
|
|
* \param np an optional sequence named parameters among the one listed below
|
|
*
|
|
* \cgalNamedParamsBegin
|
|
* \cgalParamBegin{geom_traits} an instance of a geometric traits class, model of `PMPSelfIntersectionTraits`.
|
|
* The default value for `geom_traits` is `CGAL::Kernel_traits<Point>::Kernel`, where `Point` is the
|
|
* value type of the vertex point map of the meshes.
|
|
* \cgalParamEnd
|
|
* \cgalParamBegin{do_overlap_test_of_bounded_sides} if set to `true` reports also overlap of bounded sides of meshes.
|
|
* If `false` (default), only the intersection of surface triangles are tested.
|
|
* \cgalParamEnd
|
|
* \cgalNamedParamsEnd
|
|
* \param nps an optional range of `vertex_point_map` named parameters containing the `VertexPointMap` of each mesh in `range`, in the same order.
|
|
* If this parameter is omitted, then an internal property map for `CGAL::vertex_point_t` must be available for every mesh in the range.
|
|
* All the vertex point maps must be of the same type.
|
|
*
|
|
* \cgalNamedParamsBegin
|
|
* \cgalParamBegin{vertex_point_map} the property map with the points associated to the vertices of a mesh.
|
|
* If this parameter is omitted, an internal property map for
|
|
* `CGAL::vertex_point_t` must be available in the triangle mesh type used in the range
|
|
* \cgalParamEnd
|
|
* \cgalNamedParamsEnd
|
|
*/
|
|
|
|
template <class TriangleMeshRange,
|
|
class OutputIterator,
|
|
class NamedParameters,
|
|
class NamedParametersRange>
|
|
OutputIterator intersecting_meshes(const TriangleMeshRange& range,
|
|
OutputIterator out,
|
|
NamedParameters np,
|
|
NamedParametersRange nps)
|
|
{
|
|
using boost::choose_param;
|
|
using boost::get_param;
|
|
|
|
typedef typename TriangleMeshRange::const_iterator TriangleMeshIterator;
|
|
|
|
bool report_overlap = choose_param(get_param(np, internal_np::overlap_test),false);
|
|
|
|
typedef CGAL::Box_intersection_d::Box_with_info_d<double, 3, TriangleMeshIterator> Mesh_box;
|
|
std::vector<Mesh_box> boxes;
|
|
boxes.reserve(std::distance(range.begin(), range.end()));
|
|
|
|
for(TriangleMeshIterator it = range.begin(); it != range.end(); ++it)
|
|
{
|
|
boxes.push_back( Mesh_box(Polygon_mesh_processing::bbox(*it), it) );
|
|
}
|
|
|
|
std::vector<Mesh_box*> boxes_ptr(
|
|
boost::make_counting_iterator(&boxes[0]),
|
|
boost::make_counting_iterator(&boxes[0]+boxes.size()));
|
|
|
|
typedef typename boost::range_value<NamedParametersRange>::type NP_rng;
|
|
typedef typename boost::range_value<TriangleMeshRange>::type TriangleMesh;
|
|
typedef typename GetGeomTraits<TriangleMesh, NamedParameters, NP_rng>::type GT;
|
|
GT gt = choose_param(get_param(np, internal_np::geom_traits), GT());
|
|
|
|
|
|
//get all the pairs of meshes intersecting (no strict inclusion test)
|
|
std::ptrdiff_t cutoff = 2000;
|
|
internal::Mesh_callback<TriangleMeshRange, GT, OutputIterator, NamedParametersRange> callback(range, out, report_overlap, gt, nps);
|
|
CGAL::box_self_intersection_d(boxes_ptr.begin(), boxes_ptr.end(),
|
|
callback, cutoff);
|
|
return callback.m_iterator;
|
|
}
|
|
|
|
template <class TriangleMeshRange, class NamedParameters, class OutputIterator>
|
|
OutputIterator intersecting_meshes(const TriangleMeshRange& range,
|
|
OutputIterator out,
|
|
NamedParameters np)
|
|
{
|
|
std::vector<cgal_bgl_named_params<bool, internal_np::all_default_t> >nps(
|
|
std::distance(range.begin(), range.end()), parameters::all_default());
|
|
return intersecting_meshes(range, out, np, nps);
|
|
}
|
|
|
|
template <class TriangleMeshRange, class OutputIterator>
|
|
OutputIterator intersecting_meshes(const TriangleMeshRange& range,
|
|
OutputIterator out)
|
|
{
|
|
return intersecting_meshes(range, out, parameters::all_default());
|
|
}
|
|
|
|
/**
|
|
* \ingroup PMP_corefinement_grp
|
|
* computes the intersection of triangles of `tm1` and `tm2`. The output is a
|
|
* set of polylines with all vertices but endpoints being of degree 2.
|
|
*
|
|
* \pre \link CGAL::Polygon_mesh_processing::does_self_intersect() `!CGAL::Polygon_mesh_processing::does_self_intersect(tm1)` \endlink
|
|
* \pre \link CGAL::Polygon_mesh_processing::does_self_intersect() `!CGAL::Polygon_mesh_processing::does_self_intersect(tm2)` \endlink
|
|
*
|
|
* @tparam TriangleMesh a model of `MutableFaceGraph`, `HalfedgeListGraph` and `FaceListGraph`
|
|
* @tparam NamedParameters1 a sequence of \ref pmp_namedparameters "Named Parameters"
|
|
* @tparam NamedParameters2 a sequence of \ref pmp_namedparameters "Named Parameters"
|
|
* @tparam OutputIterator an output iterator in which `std::vector` of points
|
|
* can be put. The point type is the one from the
|
|
* vertex property map
|
|
*
|
|
* @param tm1 first input triangulated surface mesh
|
|
* @param tm2 second input triangulated surface mesh
|
|
* @param polyline_output output iterator of polylines. Each polyline will be
|
|
* given as a vector of points
|
|
* @param np1 optional sequence of \ref pmp_namedparameters "Named Parameters" among the ones listed below
|
|
* @param np2 optional sequence of \ref pmp_namedparameters "Named Parameters" among the ones listed below
|
|
*
|
|
* \cgalNamedParamsBegin
|
|
* \cgalParamBegin{vertex_point_map}
|
|
* a property map with the points associated to the vertices of `tm1`
|
|
* (`tm2`). The two property map types must be the same.
|
|
* \cgalParamEnd
|
|
* \cgalParamBegin{throw_on_self_intersection} if `true`, for each input triangle mesh,
|
|
* the set of triangles close to the intersection of `tm1` and `tm2` will be
|
|
* checked for self-intersection and `CGAL::Polygon_mesh_processing::Corefinement::Self_intersection_exception`
|
|
* will be thrown if at least one is found (`np1` only).
|
|
* \cgalParamEnd
|
|
* \cgalNamedParamsEnd
|
|
*
|
|
*/
|
|
template <class OutputIterator,
|
|
class TriangleMesh,
|
|
class NamedParameters1,
|
|
class NamedParameters2 >
|
|
OutputIterator
|
|
surface_intersection(const TriangleMesh& tm1,
|
|
const TriangleMesh& tm2,
|
|
OutputIterator polyline_output,
|
|
const NamedParameters1& np1,
|
|
const NamedParameters2& np2)
|
|
{
|
|
const bool throw_on_self_intersection =
|
|
boost::choose_param(get_param(np1, internal_np::throw_on_self_intersection), false);
|
|
|
|
typedef typename GetVertexPointMap<TriangleMesh,
|
|
NamedParameters1>::const_type Vpm;
|
|
typedef typename GetVertexPointMap<TriangleMesh,
|
|
NamedParameters2>::const_type Vpm2;
|
|
CGAL_USE_TYPE(Vpm2);
|
|
CGAL_assertion_code(
|
|
static const bool same_vpm = (boost::is_same<Vpm,Vpm2>::value);)
|
|
CGAL_static_assertion(same_vpm);
|
|
|
|
Vpm vpm1 = choose_const_pmap(get_param(np1, internal_np::vertex_point),
|
|
tm1,
|
|
vertex_point);
|
|
Vpm vpm2 = choose_const_pmap(get_param(np2, internal_np::vertex_point),
|
|
tm2,
|
|
vertex_point);
|
|
|
|
Corefinement::Intersection_of_triangle_meshes<TriangleMesh,Vpm>
|
|
functor(tm1, tm2, vpm1, vpm2);
|
|
return functor(polyline_output, throw_on_self_intersection, true);
|
|
}
|
|
|
|
namespace experimental {
|
|
/**
|
|
* \ingroup PMP_corefinement_grp
|
|
* computes the autointersection of triangles of `tm`. The output is a
|
|
* set of polylines with all vertices but endpoints being of degree 2.
|
|
*
|
|
*
|
|
* @tparam TriangleMesh a model of `HalfedgeListGraph` and `FaceListGraph`
|
|
* @tparam NamedParameters a sequence of \ref namedparameters
|
|
* @tparam OutputIterator an output iterator in which `std::vector` of points
|
|
* can be put. The point type is the one from the
|
|
* vertex property map
|
|
*
|
|
* @param tm input triangulated surface mesh
|
|
* @param polyline_output output iterator of polylines. Each polyline will be
|
|
* given as a vector of points
|
|
* @param np optional sequence of \ref namedparameters among the ones listed below
|
|
*
|
|
* \cgalNamedParamsBegin
|
|
* \cgalParamBegin{vertex_point_map}
|
|
* a property map with the points associated to the vertices of `tm`
|
|
* \cgalParamEnd
|
|
* \cgalNamedParamsEnd
|
|
*
|
|
*/
|
|
template <class OutputIterator,
|
|
class TriangleMesh,
|
|
class NamedParameters >
|
|
OutputIterator
|
|
surface_self_intersection(const TriangleMesh& tm,
|
|
OutputIterator polyline_output,
|
|
const NamedParameters& np)
|
|
{
|
|
// Vertex point maps
|
|
typedef typename GetVertexPointMap<TriangleMesh,
|
|
NamedParameters>::const_type Vpm;
|
|
|
|
Vpm vpm = choose_const_pmap(get_param(np, internal_np::vertex_point),
|
|
tm,
|
|
vertex_point);
|
|
|
|
// surface intersection algorithm call
|
|
typedef Corefinement::Default_surface_intersection_visitor<TriangleMesh,
|
|
true> Visitor;
|
|
Corefinement::Intersection_of_triangle_meshes<TriangleMesh,Vpm, Visitor>
|
|
functor(tm, vpm);
|
|
|
|
polyline_output=functor(polyline_output, true);
|
|
return polyline_output;
|
|
}
|
|
|
|
} //end of namespace experimental
|
|
|
|
|
|
template <class OutputIterator,
|
|
class TriangleMesh >
|
|
OutputIterator
|
|
surface_intersection(const TriangleMesh& tm1,
|
|
const TriangleMesh& tm2,
|
|
OutputIterator polyline_output)
|
|
{
|
|
return surface_intersection(tm1, tm2, polyline_output,
|
|
CGAL::Polygon_mesh_processing::parameters::all_default(),
|
|
CGAL::Polygon_mesh_processing::parameters::all_default());
|
|
}
|
|
|
|
template <class OutputIterator,
|
|
class TriangleMesh,
|
|
class NamedParameters1>
|
|
OutputIterator
|
|
surface_intersection(const TriangleMesh& tm1,
|
|
const TriangleMesh& tm2,
|
|
OutputIterator polyline_output,
|
|
const NamedParameters1& np)
|
|
{
|
|
return surface_intersection(tm1, tm2, polyline_output, np,
|
|
CGAL::Polygon_mesh_processing::parameters::all_default());
|
|
}
|
|
|
|
#ifndef CGAL_NO_DEPRECATED_CODE
|
|
template <class OutputIterator,
|
|
class TriangleMesh,
|
|
class NamedParameters1,
|
|
class NamedParameters2 >
|
|
OutputIterator
|
|
surface_intersection(const TriangleMesh& tm1,
|
|
const TriangleMesh& tm2,
|
|
OutputIterator polyline_output,
|
|
const NamedParameters1& np1,
|
|
const NamedParameters2& np2,
|
|
const bool throw_on_self_intersection)
|
|
{
|
|
return surface_intersection(tm1, tm2, polyline_output,
|
|
np1.throw_on_self_intersection(throw_on_self_intersection), np2);
|
|
}
|
|
|
|
template <class OutputIterator,
|
|
class TriangleMesh >
|
|
OutputIterator
|
|
surface_intersection(const TriangleMesh& tm1,
|
|
const TriangleMesh& tm2,
|
|
OutputIterator polyline_output,
|
|
const bool throw_on_self_intersection)
|
|
{
|
|
return surface_intersection(tm1, tm2, polyline_output,
|
|
CGAL::Polygon_mesh_processing::parameters::throw_on_self_intersection(throw_on_self_intersection),
|
|
CGAL::Polygon_mesh_processing::parameters::all_default());
|
|
}
|
|
#endif
|
|
|
|
namespace experimental {
|
|
template <class OutputIterator,
|
|
class TriangleMesh >
|
|
OutputIterator
|
|
surface_self_intersection(const TriangleMesh& tm,
|
|
OutputIterator polyline_output)
|
|
{
|
|
return surface_self_intersection(tm, polyline_output,
|
|
CGAL::Polygon_mesh_processing::parameters::all_default()
|
|
);
|
|
}
|
|
} //end of namespace experimental
|
|
|
|
} } //end of namespace CGAL::Polygon_mesh_processing
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#include <CGAL/enable_warnings.h>
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#endif // CGAL_POLYGON_MESH_PROCESSING_INTERSECTION_H
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