mirror of https://github.com/CGAL/cgal
235 lines
6.8 KiB
C++
235 lines
6.8 KiB
C++
// Copyright (c) 2009 INRIA Sophia-Antipolis (France).
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// Copyright (c) 2011 GeometryFactory Sarl (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); you may redistribute it under
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// the terms of the Q Public License version 1.0.
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// See the file LICENSE.QPL 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: https://scm.gforge.inria.fr/svn/cgal/branches/features/Mesh_3-experimental-GF/Mesh_3/include/CGAL/Compact_mesh_vertex_base_3.h $
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// $Id: Compact_mesh_vertex_base_3.h 69674 2012-06-18 09:34:06Z jtournoi $
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//
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//
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// Author(s) : Stéphane Tayeb, Andreas Fabri
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//
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//******************************************************************************
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// File Description :
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//
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//
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//******************************************************************************
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#ifndef CGAL_COMPACT_MESH_VERTEX_BASE_3_H
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#define CGAL_COMPACT_MESH_VERTEX_BASE_3_H
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#include <CGAL/Triangulation_vertex_base_3.h>
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#include <CGAL/Mesh_3/Has_features.h>
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#include <CGAL/internal/Mesh_3/get_index.h>
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#include <CGAL/Mesh_3/io_signature.h>
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namespace CGAL {
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// Class Mesh_vertex_base_3
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// Vertex base class used in 3D meshing process.
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// Adds information to Vb about the localization of the vertex in regards
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// to the 3D input complex.
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template<class GT,
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class MT,
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class Vb = Triangulation_vertex_base_3<GT> >
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class Compact_mesh_vertex_base_3
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: public Vb
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{
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public:
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typedef Vb Cmvb3_base;
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typedef typename Vb::Vertex_handle Vertex_handle;
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// To get correct vertex type in TDS
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template < class TDS3 >
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struct Rebind_TDS {
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typedef typename Vb::template Rebind_TDS<TDS3>::Other Vb3;
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typedef Compact_mesh_vertex_base_3 <GT, MT, Vb3> Other;
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};
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// Types
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typedef typename MT::Index Index;
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typedef typename GT::FT FT;
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// Constructor
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Compact_mesh_vertex_base_3()
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: Vb()
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, number_of_incident_facets_(0)
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, number_of_components_(0)
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, index_()
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, meshing_info_(0)
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, dimension_(-1)
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, cache_validity(false)
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#ifdef CGAL_INTRUSIVE_LIST
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, next_intrusive_()
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, previous_intrusive_()
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#endif //CGAL_INTRUSIVE_LIST
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{}
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// Default copy constructor and assignment operator are ok
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// Returns the dimension of the lowest dimensional face of the input 3D
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// complex that contains the vertex
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int in_dimension() const {
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if(dimension_ < -1) return -2-dimension_;
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else return dimension_;
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}
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// Sets the dimension of the lowest dimensional face of the input 3D complex
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// that contains the vertex
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void set_dimension(const int dimension) { dimension_ = dimension; }
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// Tells if the vertex is marked as a special protecting ball
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bool is_special() const { return dimension_ < -1; }
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// Marks or unmarks the vertex as a special protecting ball
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void set_special(bool special = true) {
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if(special != (dimension_ < -1) )
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dimension_ = -2-dimension_;
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}
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// Returns the index of the lowest dimensional face of the input 3D complex
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// that contains the vertex
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Index index() const { return index_; }
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// Sets the index of the lowest dimensional face of the input 3D complex
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// that contains the vertex
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void set_index(const Index& index) { index_ = index; }
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// Accessors to meshing_info private data
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const FT& meshing_info() const { return meshing_info_; }
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void set_meshing_info(const FT& value) { meshing_info_ = value; }
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#ifdef CGAL_INTRUSIVE_LIST
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Vertex_handle next_intrusive() const { return next_intrusive_; }
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Vertex_handle& next_intrusive() { return next_intrusive_; }
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Vertex_handle previous_intrusive() const { return previous_intrusive_; }
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Vertex_handle& previous_intrusive() { return previous_intrusive_; }
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#endif
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bool is_c2t3_cache_valid() const {
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return cache_validity;
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}
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void invalidate_c2t3_cache()
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{
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cache_validity = false;
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}
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void set_c2t3_cache(const int i, const int j)
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{
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number_of_incident_facets_ = i;
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number_of_components_ = j;
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cache_validity = true;
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}
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int cached_number_of_incident_facets() const
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{
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return number_of_incident_facets_;
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}
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int cached_number_of_components() const
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{
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return number_of_components_;
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}
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static
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std::string io_signature()
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{
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return
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Get_io_signature<Vb>()() + "+" +
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Get_io_signature<int>()() + "+" +
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Get_io_signature<Index>()();
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}
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private:
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int number_of_incident_facets_;
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int number_of_components_; // number of components in the adjacency
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// graph of incident facets (in complex)
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// Index of the lowest dimensional face of the input 3D complex
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// that contains me
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Index index_;
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// Stores info needed by optimizers
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FT meshing_info_;
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// Dimension of the lowest dimensional face of the input 3D complex
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// that contains me. Negative values are a marker for special vertices.
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short dimension_;
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bool cache_validity;
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#ifdef CGAL_INTRUSIVE_LIST
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Vertex_handle next_intrusive_;
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Vertex_handle previous_intrusive_;
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#endif
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}; // end class Compact_mesh_vertex_base_3
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namespace internal {
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namespace Mesh_3 {
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} // end namespace internal::Mesh_3
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} // end namespace internal
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template<class GT,
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class MT,
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class Vb>
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inline
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std::istream&
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operator>>(std::istream &is, Compact_mesh_vertex_base_3<GT,MT,Vb>& v)
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{
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typedef Compact_mesh_vertex_base_3<GT,MT,Vb> Vertex;
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typedef typename Vertex::Cmvb3_base Cmvb3_base;
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is >> static_cast<Cmvb3_base&>(v);
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int dimension;
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if(is_ascii(is)) {
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is >> dimension;
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} else {
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CGAL::read(is, dimension);
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}
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CGAL_assertion(dimension >= 0);
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CGAL_assertion(dimension < 4);
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typename Vertex::Index index =
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internal::Mesh_3::Read_mesh_domain_index<MT>()(dimension, is);
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v.set_dimension(dimension);
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v.set_index(index);
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return is;
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}
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template<class GT,
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class MT,
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class Vb>
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inline
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std::ostream&
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operator<<(std::ostream &os, const Compact_mesh_vertex_base_3<GT,MT,Vb>& v)
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{
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typedef Compact_mesh_vertex_base_3<GT,MT,Vb> Vertex;
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typedef typename Vertex::Cmvb3_base Cmvb3_base;
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os << static_cast<const Cmvb3_base&>(v);
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if(is_ascii(os)) {
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os << " " << v.in_dimension()
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<< " ";
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} else {
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CGAL::write(os, v.in_dimension());
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}
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internal::Mesh_3::Write_mesh_domain_index<MT>()(os,
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v.in_dimension(),
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v.index());
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return os;
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}
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} // end namespace CGAL
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#endif // CGAL_COMPACT_MESH_VERTEX_BASE_3_H
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