diff options
Diffstat (limited to 'src/Skeleton_blocker/include/gudhi/Skeleton_blocker_link_complex.h')
| -rw-r--r-- | src/Skeleton_blocker/include/gudhi/Skeleton_blocker_link_complex.h | 53 |
1 files changed, 25 insertions, 28 deletions
diff --git a/src/Skeleton_blocker/include/gudhi/Skeleton_blocker_link_complex.h b/src/Skeleton_blocker/include/gudhi/Skeleton_blocker_link_complex.h index 95d8fa97..85a6b0b5 100644 --- a/src/Skeleton_blocker/include/gudhi/Skeleton_blocker_link_complex.h +++ b/src/Skeleton_blocker/include/gudhi/Skeleton_blocker_link_complex.h @@ -52,12 +52,11 @@ class Skeleton_blocker_link_complex : public Skeleton_blocker_sub_complex< typedef typename ComplexType::Vertex_handle Vertex_handle; typedef typename ComplexType::Root_vertex_handle Root_vertex_handle; - typedef typename ComplexType::Simplex_handle Simplex_handle; + typedef typename ComplexType::Simplex Simplex; typedef typename ComplexType::Root_simplex_handle Root_simplex_handle; typedef typename ComplexType::Blocker_handle Blocker_handle; - typedef typename ComplexType::Simplex_handle::Simplex_vertex_const_iterator Simplex_handle_iterator; typedef typename ComplexType::Root_simplex_handle::Simplex_vertex_const_iterator Root_simplex_handle_iterator; explicit Skeleton_blocker_link_complex(bool only_superior_vertices = false) @@ -67,13 +66,15 @@ class Skeleton_blocker_link_complex : public Skeleton_blocker_sub_complex< /** * If the parameter only_superior_vertices is true, * only vertices greater than the one of alpha are added. + * Only vertices are computed if only_vertices is true. */ Skeleton_blocker_link_complex(const ComplexType & parent_complex, - const Simplex_handle& alpha_parent_adress, - bool only_superior_vertices = false) + const Simplex& alpha_parent_adress, + bool only_superior_vertices = false, + bool only_vertices = false) : only_superior_vertices_(only_superior_vertices) { if (!alpha_parent_adress.empty()) - build_link(parent_complex, alpha_parent_adress); + build_link(parent_complex, alpha_parent_adress, only_vertices); } /** @@ -84,7 +85,7 @@ class Skeleton_blocker_link_complex : public Skeleton_blocker_sub_complex< Vertex_handle a_parent_adress, bool only_superior_vertices = false) : only_superior_vertices_(only_superior_vertices) { - Simplex_handle alpha_simplex(a_parent_adress); + Simplex alpha_simplex(a_parent_adress); build_link(parent_complex, alpha_simplex); } @@ -96,7 +97,7 @@ class Skeleton_blocker_link_complex : public Skeleton_blocker_sub_complex< Edge_handle edge, bool only_superior_vertices = false) : only_superior_vertices_(only_superior_vertices) { - Simplex_handle alpha_simplex(parent_complex.first_vertex(edge), + Simplex alpha_simplex(parent_complex.first_vertex(edge), parent_complex.second_vertex(edge)); build_link(parent_complex, alpha_simplex); } @@ -108,7 +109,7 @@ class Skeleton_blocker_link_complex : public Skeleton_blocker_sub_complex< * are greater than vertices of alpha_parent_adress are added. */ void compute_link_vertices(const ComplexType & parent_complex, - const Simplex_handle& alpha_parent_adress, + const Simplex& alpha_parent_adress, bool only_superior_vertices, bool is_alpha_blocker = false) { if (alpha_parent_adress.dimension() == 0) { @@ -119,7 +120,7 @@ class Skeleton_blocker_link_complex : public Skeleton_blocker_sub_complex< only_superior_vertices_); } else { // we compute the intersection of neighbors of alpha and store it in link_vertices - Simplex_handle link_vertices_parent; + Simplex link_vertices_parent; parent_complex.add_neighbours(alpha_parent_adress, link_vertices_parent, only_superior_vertices); // For all vertex 'v' in this intersection, we go through all its adjacent blockers. @@ -162,13 +163,8 @@ class Skeleton_blocker_link_complex : public Skeleton_blocker_sub_complex< } void compute_link_edges(const ComplexType & parent_complex, - const Simplex_handle& alpha_parent_adress, + const Simplex& alpha_parent_adress, bool is_alpha_blocker = false) { - Simplex_handle_iterator y_link, x_parent, y_parent; - // ---------------------------- - // Compute edges in the link - // ------------------------- - if (this->num_vertices() <= 1) return; @@ -194,7 +190,7 @@ class Skeleton_blocker_link_complex : public Skeleton_blocker_sub_complex< } } if (new_edge) - this->add_edge(*x_link, *y_link); + this->add_edge_without_blockers(*x_link, *y_link); } } } @@ -217,7 +213,7 @@ class Skeleton_blocker_link_complex : public Skeleton_blocker_sub_complex< * the blocker is anticollapsed. */ void compute_link_blockers(const ComplexType & parent_complex, - const Simplex_handle& alpha_parent, + const Simplex& alpha_parent, bool is_alpha_blocker = false) { for (auto x_link : this->vertex_range()) { Vertex_handle x_parent = *this->give_equivalent_vertex(parent_complex, @@ -225,7 +221,7 @@ class Skeleton_blocker_link_complex : public Skeleton_blocker_sub_complex< for (auto blocker_parent : parent_complex.const_blocker_range(x_parent)) { if (!is_alpha_blocker || *blocker_parent != alpha_parent) { - Simplex_handle sigma_parent(*blocker_parent); + Simplex sigma_parent(*blocker_parent); sigma_parent.difference(alpha_parent); @@ -239,7 +235,7 @@ class Skeleton_blocker_link_complex : public Skeleton_blocker_sub_complex< for (auto a : alpha_parent) { for (auto eta_parent : parent_complex.const_blocker_range(a)) { if (!is_alpha_blocker || *eta_parent != alpha_parent) { - Simplex_handle eta_minus_alpha(*eta_parent); + Simplex eta_minus_alpha(*eta_parent); eta_minus_alpha.difference(alpha_parent); if (eta_minus_alpha != sigma_parent && sigma_parent.contains_difference(*eta_parent, @@ -253,7 +249,7 @@ class Skeleton_blocker_link_complex : public Skeleton_blocker_sub_complex< break; } if (is_new_blocker) - this->add_blocker(new Simplex_handle(*sigma_link)); + this->add_blocker(new Simplex(*sigma_link)); } } } @@ -268,14 +264,15 @@ class Skeleton_blocker_link_complex : public Skeleton_blocker_sub_complex< * with vertices that are greater than vertices of alpha_parent_adress. */ void build_link(const ComplexType & parent_complex, - const Simplex_handle& alpha_parent_adress, - bool is_alpha_blocker = false) { + const Simplex& alpha_parent_adress, + bool is_alpha_blocker = false, + bool only_vertices = false) { assert(is_alpha_blocker || parent_complex.contains(alpha_parent_adress)); - compute_link_vertices(parent_complex, alpha_parent_adress, - only_superior_vertices_); - compute_link_edges(parent_complex, alpha_parent_adress, is_alpha_blocker); - compute_link_blockers(parent_complex, alpha_parent_adress, - is_alpha_blocker); + compute_link_vertices(parent_complex, alpha_parent_adress, only_superior_vertices_); + if(!only_vertices) { + compute_link_edges(parent_complex, alpha_parent_adress, is_alpha_blocker); + compute_link_blockers(parent_complex, alpha_parent_adress, is_alpha_blocker); + } } /** @@ -284,7 +281,7 @@ class Skeleton_blocker_link_complex : public Skeleton_blocker_sub_complex< * removed from the blockers of the complex. */ friend void build_link_of_blocker(const ComplexType & parent_complex, - Simplex_handle& blocker, + Simplex& blocker, Skeleton_blocker_link_complex & result) { assert(blocker.dimension() >= 2); assert(parent_complex.contains_blocker(blocker)); |