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
|
/* This file is part of the Gudhi Library. The Gudhi library
* (Geometric Understanding in Higher Dimensions) is a generic C++
* library for computational topology.
*
* Author(s): Vincent Rouvreau
*
* Copyright (C) 2018 Inria
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef ALPHA_COMPLEX_3D_OPTIONS_H_
#define ALPHA_COMPLEX_3D_OPTIONS_H_
#include <CGAL/Exact_predicates_inexact_constructions_kernel.h>
#include <CGAL/Delaunay_triangulation_3.h>
#include <CGAL/Regular_triangulation_3.h>
#include <CGAL/Alpha_shape_3.h>
#include <CGAL/Alpha_shape_cell_base_3.h>
#include <CGAL/Alpha_shape_vertex_base_3.h>
namespace Gudhi {
namespace alpha_complex {
class Alpha_shapes_3d {
private:
// Alpha_shape_3 templates type definitions
using Kernel = CGAL::Exact_predicates_inexact_constructions_kernel;
using Vb = CGAL::Alpha_shape_vertex_base_3<Kernel>;
using Fb = CGAL::Alpha_shape_cell_base_3<Kernel>;
using Tds = CGAL::Triangulation_data_structure_3<Vb, Fb>;
using Triangulation_3 = CGAL::Delaunay_triangulation_3<Kernel, Tds>;
public:
using Alpha_shape_3 = CGAL::Alpha_shape_3<Triangulation_3>;
using Point_3 = Kernel::Point_3;
static const bool exact = false;
static const bool weighted = false;
static const bool periodic = false;
};
class Exact_alpha_shapes_3d {
private:
// Alpha_shape_3 templates type definitions
using Kernel = CGAL::Exact_predicates_inexact_constructions_kernel;
using Exact_tag = CGAL::Tag_true;
using Vb = CGAL::Alpha_shape_vertex_base_3<Kernel, CGAL::Default, Exact_tag>;
using Fb = CGAL::Alpha_shape_cell_base_3<Kernel, CGAL::Default, Exact_tag>;
using Tds = CGAL::Triangulation_data_structure_3<Vb, Fb>;
using Triangulation_3 = CGAL::Delaunay_triangulation_3<Kernel, Tds>;
public:
using Alpha_shape_3 = CGAL::Alpha_shape_3<Triangulation_3, Exact_tag>;
using Point_3 = Kernel::Point_3;
static const bool exact = true;
static const bool weighted = false;
static const bool periodic = false;
};
class Weighted_alpha_shapes_3d {
private:
using Kernel = CGAL::Exact_predicates_inexact_constructions_kernel;
using Rvb = CGAL::Regular_triangulation_vertex_base_3<Kernel>;
using Vb = CGAL::Alpha_shape_vertex_base_3<Kernel, Rvb>;
using Rcb = CGAL::Regular_triangulation_cell_base_3<Kernel>;
using Cb = CGAL::Alpha_shape_cell_base_3<Kernel, Rcb>;
using Tds = CGAL::Triangulation_data_structure_3<Vb, Cb>;
using Triangulation_3 = CGAL::Regular_triangulation_3<Kernel, Tds>;
public:
using Alpha_shape_3 = CGAL::Alpha_shape_3<Triangulation_3>;
using Point_3 = Triangulation_3::Bare_point;
using Weighted_point_3 = Triangulation_3::Weighted_point;
static const bool exact = false;
static const bool weighted = true;
static const bool periodic = false;
};
} // namespace alpha_complex
} // namespace Gudhi
#endif // ALPHA_COMPLEX_3D_H_
|
