/* 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 .
*/
#ifndef ALPHA_COMPLEX_3D_OPTIONS_H_
#define ALPHA_COMPLEX_3D_OPTIONS_H_
#include
#include
#include
#include
#include
#include
#include
#include
#include
#include
namespace Gudhi {
namespace alpha_complex {
class Alpha_shapes_3d {
private:
using Kernel = CGAL::Exact_predicates_inexact_constructions_kernel;
using Vb = CGAL::Alpha_shape_vertex_base_3;
using Fb = CGAL::Alpha_shape_cell_base_3;
using Tds = CGAL::Triangulation_data_structure_3;
using Triangulation_3 = CGAL::Delaunay_triangulation_3;
public:
using Alpha_shape_3 = CGAL::Alpha_shape_3;
using Point_3 = Kernel::Point_3;
static const bool weighted = false;
static const bool periodic = false;
template
static Filtration_value value_from_iterator(const Alpha_value_iterator avi) {
return /*std::sqrt*/ *avi;
}
};
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;
using Fb = CGAL::Alpha_shape_cell_base_3;
using Tds = CGAL::Triangulation_data_structure_3;
using Triangulation_3 = CGAL::Delaunay_triangulation_3;
public:
using Alpha_shape_3 = CGAL::Alpha_shape_3;
using Point_3 = Kernel::Point_3;
static const bool weighted = false;
static const bool periodic = false;
static const bool exact = true;
template
static Filtration_value value_from_iterator(const Alpha_value_iterator avi) {
return /*std::sqrt*/ CGAL::to_double(avi->exact());
}
};
class Weighted_alpha_shapes_3d {
private:
using Kernel = CGAL::Exact_predicates_inexact_constructions_kernel;
using Rvb = CGAL::Regular_triangulation_vertex_base_3;
using Vb = CGAL::Alpha_shape_vertex_base_3;
using Rcb = CGAL::Regular_triangulation_cell_base_3;
using Cb = CGAL::Alpha_shape_cell_base_3;
using Tds = CGAL::Triangulation_data_structure_3;
using Triangulation_3 = CGAL::Regular_triangulation_3;
public:
using Alpha_shape_3 = CGAL::Alpha_shape_3;
using Point_3 = Triangulation_3::Bare_point;
using Weighted_point_3 = Triangulation_3::Weighted_point;
static const bool weighted = true;
static const bool periodic = false;
static const bool exact = false;
template
static Filtration_value value_from_iterator(const Alpha_value_iterator avi) {
return /*std::sqrt*/ *avi;
}
};
class Periodic_alpha_shapes_3d {
private:
// Traits
using K = CGAL::Exact_predicates_inexact_constructions_kernel;
using PK = CGAL::Periodic_3_Delaunay_triangulation_traits_3;
// Vertex type
using DsVb = CGAL::Periodic_3_triangulation_ds_vertex_base_3<>;
using Vb = CGAL::Triangulation_vertex_base_3;
using AsVb = CGAL::Alpha_shape_vertex_base_3;
// Cell type
using DsCb = CGAL::Periodic_3_triangulation_ds_cell_base_3<>;
using Cb = CGAL::Triangulation_cell_base_3;
using AsCb = CGAL::Alpha_shape_cell_base_3;
using Tds = CGAL::Triangulation_data_structure_3;
public:
using Periodic_delaunay_triangulation_3 = CGAL::Periodic_3_Delaunay_triangulation_3;
using Alpha_shape_3 = CGAL::Alpha_shape_3;
using Point_3 = PK::Point_3;
using Iso_cuboid_3 = PK::Iso_cuboid_3;
static const bool weighted = false;
static const bool periodic = true;
static const bool exact = false;
template
static Filtration_value value_from_iterator(const Alpha_value_iterator avi) {
return /*std::sqrt*/ *avi;
}
};
class Weighted_periodic_alpha_shapes_3d {
private:
using Kernel = CGAL::Exact_predicates_inexact_constructions_kernel;
using Periodic_kernel = CGAL::Periodic_3_regular_triangulation_traits_3;
using DsVb = CGAL::Periodic_3_triangulation_ds_vertex_base_3<>;
using Vb = CGAL::Regular_triangulation_vertex_base_3;
using AsVb = CGAL::Alpha_shape_vertex_base_3;
using DsCb = CGAL::Periodic_3_triangulation_ds_cell_base_3<>;
using Cb = CGAL::Regular_triangulation_cell_base_3;
using AsCb = CGAL::Alpha_shape_cell_base_3;
using Tds = CGAL::Triangulation_data_structure_3;
public:
using Periodic_delaunay_triangulation_3 = CGAL::Periodic_3_regular_triangulation_3;
using Alpha_shape_3 = CGAL::Alpha_shape_3;
using Point_3 = Periodic_delaunay_triangulation_3::Bare_point;
using Weighted_point_3 = Periodic_delaunay_triangulation_3::Weighted_point;
using Iso_cuboid_3 = Periodic_kernel::Iso_cuboid_3;
static const bool weighted = true;
static const bool periodic = true;
static const bool exact = false;
template
static Filtration_value value_from_iterator(const Alpha_value_iterator avi) {
return /*std::sqrt*/ *avi;
}
};
} // namespace alpha_complex
} // namespace Gudhi
#endif // ALPHA_COMPLEX_3D_OPTIONS_H_