diff options
Diffstat (limited to 'src/Cech_complex/include/gudhi/Cech_complex.h')
| -rw-r--r-- | src/Cech_complex/include/gudhi/Cech_complex.h | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/src/Cech_complex/include/gudhi/Cech_complex.h b/src/Cech_complex/include/gudhi/Cech_complex.h index fc39f75b..08b7a72f 100644 --- a/src/Cech_complex/include/gudhi/Cech_complex.h +++ b/src/Cech_complex/include/gudhi/Cech_complex.h @@ -30,7 +30,7 @@ namespace cech_complex { * \ingroup cech_complex * * \details - * Cech complex is a simplicial complex constructed from a proximity graph, where the set of all simplices is filtered + * Cech complex is a simplicial complex where the set of all simplices is filtered * by the radius of their minimal enclosing ball and bounded by the given max_radius. * * \tparam Kernel CGAL kernel: either Epick_d or Epeck_d. @@ -70,7 +70,7 @@ class Cech_complex { point_cloud_.assign(std::begin(points), std::end(points)); cech_skeleton_graph_ = Gudhi::compute_proximity_graph<SimplicialComplexForCechComplex>( - point_cloud_, max_radius_, Sphere_circumradius<Kernel>()); + point_cloud_, max_radius_, Sphere_circumradius<Kernel, Filtration_value>()); } /** \brief Initializes the simplicial complex from the proximity graph and expands it until a given maximal @@ -78,17 +78,19 @@ class Cech_complex { * * @param[in] complex SimplicialComplexForCech to be created. * @param[in] dim_max graph expansion until this given maximal dimension. + * @param[in] exact Exact filtration values computation. Not exact if `Kernel` is not <a target="_blank" + * href="https://doc.cgal.org/latest/Kernel_d/structCGAL_1_1Epeck__d.html">CGAL::Epeck_d</a>. * @exception std::invalid_argument In debug mode, if `complex.num_vertices()` does not return 0. * */ - void create_complex(SimplicialComplexForCechComplex& complex, int dim_max) { + void create_complex(SimplicialComplexForCechComplex& complex, int dim_max, const bool exact = false) { GUDHI_CHECK(complex.num_vertices() == 0, std::invalid_argument("Cech_complex::create_complex - simplicial complex is not empty")); // insert the proximity graph in the simplicial complex complex.insert_graph(cech_skeleton_graph_); // expand the graph until dimension dim_max - complex.expansion_with_blockers(dim_max, cech_blocker(&complex, this)); + complex.expansion_with_blockers(dim_max, cech_blocker(&complex, this, exact)); } /** @return max_radius value given at construction. */ |