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/* 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): David Salinas
*
* Copyright (C) 2014 INRIA Sophia Antipolis-Mediterranee (France)
*
* 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 SRC_SKELETON_BLOCKER_INCLUDE_GUDHI_SKELETON_BLOCKER_GEOMETRIC_COMPLEX_H_
#define SRC_SKELETON_BLOCKER_INCLUDE_GUDHI_SKELETON_BLOCKER_GEOMETRIC_COMPLEX_H_
#include "gudhi/Utils.h"
#include "gudhi/Skeleton_blocker_simplifiable_complex.h"
#include "gudhi/Skeleton_blocker/Skeleton_blocker_sub_complex.h"
namespace Gudhi {
namespace skbl {
/**
* @brief Class that represents a geometric complex that can be simplified.
* The class allows access to points of vertices.
* @ingroup skbl
*/
template<typename SkeletonBlockerGeometricDS>
class Skeleton_blocker_geometric_complex :
public Skeleton_blocker_simplifiable_complex<SkeletonBlockerGeometricDS> {
public:
typedef typename SkeletonBlockerGeometricDS::GT GT;
typedef Skeleton_blocker_simplifiable_complex<SkeletonBlockerGeometricDS> SimplifiableSkeletonblocker;
typedef typename SimplifiableSkeletonblocker::Vertex_handle Vertex_handle;
typedef typename SimplifiableSkeletonblocker::Root_vertex_handle Root_vertex_handle;
typedef typename SimplifiableSkeletonblocker::Edge_handle Edge_handle;
typedef typename SimplifiableSkeletonblocker::Simplex_handle Simplex_handle;
typedef typename SimplifiableSkeletonblocker::Graph_vertex Graph_vertex;
typedef typename SkeletonBlockerGeometricDS::Point Point;
/**
* @brief Add a vertex to the complex with its associated point.
*/
Vertex_handle add_vertex(const Point& point) {
Vertex_handle ad = SimplifiableSkeletonblocker::add_vertex();
(*this)[ad].point() = point;
return ad;
}
/**
* @brief Returns the Point associated to the vertex v.
*/
const Point& point(Vertex_handle v) const {
assert(this->contains_vertex(v));
return (*this)[v].point();
}
/**
* @brief Returns the Point associated to the vertex v.
*/
Point& point(Vertex_handle v) {
assert(this->contains_vertex(v));
return (*this)[v].point();
}
const Point& point(Root_vertex_handle global_v) const {
Vertex_handle local_v((*this)[global_v]);
assert(this->contains_vertex(local_v));
return (*this)[local_v].point();
}
Point& point(Root_vertex_handle global_v) {
Vertex_handle local_v((*this)[global_v]);
assert(this->contains_vertex(local_v));
return (*this)[local_v].point();
}
typedef Skeleton_blocker_link_complex<Skeleton_blocker_geometric_complex> Geometric_link;
/**
* Constructs the link of 'simplex' with points coordinates.
*/
Geometric_link link(const Simplex_handle& simplex) const {
Geometric_link link(*this, simplex);
// we now add the point info
add_points_to_link(link);
return link;
}
/**
* Constructs the link of 'simplex' with points coordinates.
*/
Geometric_link link(Edge_handle edge) const {
Geometric_link link(*this, edge);
// we now add the point info
add_points_to_link(link);
return link;
}
private:
void add_points_to_link(Geometric_link& link) const {
for (Vertex_handle v : link.vertex_range()) {
Root_vertex_handle v_root(link.get_id(v));
link.point(v) = (*this).point(v_root);
}
}
};
} // namespace skbl
} // namespace Gudhi
#endif // SRC_SKELETON_BLOCKER_INCLUDE_GUDHI_SKELETON_BLOCKER_GEOMETRIC_COMPLEX_H_
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