1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
|
// Copyright (c) 2003-2007 INRIA Sophia-Antipolis (France).
// All rights reserved.
//
// This file is part of CGAL (www.cgal.org); you may redistribute it under
// the terms of the Q Public License version 1.0.
// See the file LICENSE.QPL distributed with CGAL.
//
// Licensees holding a valid commercial license may use this file in
// accordance with the commercial license agreement provided with the software.
//
// This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
// WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
//
// $URL: svn+ssh://scm.gforge.inria.fr/svn/cgal/branches/CGAL-3.5-branch/Surface_mesher/include/CGAL/Surface_mesh_cell_base_3.h $
// $Id: Surface_mesh_cell_base_3.h 46262 2008-10-14 08:27:53Z afabri $
//
// Author(s) : Steve Oudot, David Rey, Mariette Yvinec, Laurent Rineau, Andreas Fabri
#ifndef CGAL_SURFACE_MESH_CELL_BASE_3_H
#define CGAL_SURFACE_MESH_CELL_BASE_3_H
#include <CGAL/Complex_2_in_triangulation_cell_base_3.h>
#ifdef CGAL_MESH_3_IO_H
#include <string>
#endif
#ifdef CGAL_SURFACE_MESHER_TAG_BAD
#include <bitset>
#endif // CGAL_SURFACE_MESHER_TAG_BAD
namespace CGAL {
template < class GT, class Cb=Triangulation_cell_base_3<GT> >
class Surface_mesh_cell_base_3 :
public Complex_2_in_triangulation_cell_base_3<GT, Cb>
{
typedef Complex_2_in_triangulation_cell_base_3<GT, Cb> Base;
public:
typedef Surface_mesh_cell_base_3 <GT, Cb> Self;
template < class TDS3 >
struct Rebind_TDS {
typedef typename Cb::template Rebind_TDS<TDS3>::Other Cb3;
typedef Surface_mesh_cell_base_3 <GT, Cb3> Other;
};
typedef typename GT::Point_3 Point;
typedef typename Base::Triangulation_data_structure Tds;
typedef typename Tds::Vertex_handle Vertex_handle;
typedef typename Tds::Cell_handle Cell_handle;
private:
// -- fields added to this class --
Point tab_surface_center_facets [4];
#ifdef CGAL_SURFACE_MESHER_TAG_BAD
std::bitset<12> bits;
#else
char bits; // the lower 4 bits for 'facet_visited',
// the higher 4 bits for 'visits'
#endif
public:
// Constructors
Surface_mesh_cell_base_3()
: Base(), bits()// c_visited(0)
{}
Surface_mesh_cell_base_3 (Vertex_handle v0,
Vertex_handle v1,
Vertex_handle v2,
Vertex_handle v3)
: Base (v0, v1, v2, v3), bits()// c_visited(0)
{}
Surface_mesh_cell_base_3 (Vertex_handle v0,
Vertex_handle v1,
Vertex_handle v2,
Vertex_handle v3,
Cell_handle n0,
Cell_handle n1,
Cell_handle n2,
Cell_handle n3)
: Base (v0, v1, v2, v3, n0, n1, n2, n3), bits()// c_visited(0)
{}
// Access functions
// Facets
bool is_facet_visited (const int facet) const {
CGAL_assertion (facet>=0 && facet <4);
#ifdef CGAL_SURFACE_MESHER_TAG_BAD
return bits[facet];
#else
return (bits & (1 << facet)) != 0;
#endif
}
bool visited (const int facet) const {
CGAL_assertion (facet>=0 && facet <4);
#ifdef CGAL_SURFACE_MESHER_TAG_BAD
return bits[facet+4];
#else
return (bits & (1 << (facet+4)) != 0);
#endif
}
const Point& get_facet_surface_center(const int facet) const {
CGAL_assertion (facet>=0 && facet <4);
return(tab_surface_center_facets[facet]);
}
// Setting functions
// Facets
void set_facet_visited (const int facet) {
CGAL_assertion (facet>=0 && facet <4);
#ifdef CGAL_SURFACE_MESHER_TAG_BAD
bits[facet] = true;
#else
bits |= (1 << facet);
#endif
}
void set_visited (const int facet) {
CGAL_assertion (facet>=0 && facet <4);
#ifdef CGAL_SURFACE_MESHER_TAG_BAD
bits[facet+4] = true;
#else
bits |= (1 << (4+facet));
#endif
}
#ifdef CGAL_SURFACE_MESHER_TAG_BAD
void set_bad(const int facet) {
bits[facet+8] = true;
}
bool is_bad(const int facet) const {
return bits[facet+8];
}
#endif
void reset_visited (const int facet) {
CGAL_assertion (facet>=0 && facet <4);
#ifdef CGAL_SURFACE_MESHER_TAG_BAD
bits &= ~((1 | (1 << 4) | (1 << 8)) << facet);
// bits[facet+8] = false;
// bits[facet+4] = false;
// bits[facet] = false;
#else
bits &= (15 & ~(1 << facet));
bits &= ((15 | (15<<4)) & ~(1 << (4+facet)));
#endif
}
void set_facet_surface_center(const int facet,
const Point& p) {
CGAL_assertion (facet>=0 && facet <4);
tab_surface_center_facets[facet]=p;
}
#ifdef CGAL_MESH_3_IO_H
static
std::string io_signature()
{
return
Get_io_signature<Complex_2_in_triangulation_cell_base_3<GT, Cb> >()();
}
#endif
}; // end Surface_mesh_cell_base_3
template < class GT, class Cb >
std::istream&
operator>>(std::istream &is,
Surface_mesh_cell_base_3<GT, Cb> &v)
{
return is >>
static_cast<Complex_2_in_triangulation_cell_base_3<GT, Cb>&>(v);
}
template < class GT, class Cb >
std::ostream&
operator<<(std::ostream &os,
const Surface_mesh_cell_base_3<GT, Cb> &v)
{
return os <<
static_cast<const Complex_2_in_triangulation_cell_base_3<GT, Cb>&>(v);
}
} // namespace CGAL
#endif // CGAL_SURFACE_MESH_CELL_BASE_3_H
|
