diff options
Diffstat (limited to 'src/Cech_complex/include/gudhi/Cech_complex_blocker.h')
| -rw-r--r-- | src/Cech_complex/include/gudhi/Cech_complex_blocker.h | 23 |
1 files changed, 22 insertions, 1 deletions
diff --git a/src/Cech_complex/include/gudhi/Cech_complex_blocker.h b/src/Cech_complex/include/gudhi/Cech_complex_blocker.h index 25fab909..f8738be0 100644 --- a/src/Cech_complex/include/gudhi/Cech_complex_blocker.h +++ b/src/Cech_complex/include/gudhi/Cech_complex_blocker.h @@ -39,6 +39,20 @@ namespace cech_complex { template<typename SimplicialComplexForCechComplex, typename ForwardPointRange> class Cech_complex; +/** \internal + * \class Cech_blocker + * \brief Cech complex blocker. + * + * \ingroup cech_complex + * + * \details + * Cech blocker is an oracle constructed from a Cech_complex and a simplicial complex. + * + * \tparam SimplicialComplexForProximityGraph furnishes `Simplex_handle` and `Filtration_value` type definition, + * `simplex_vertex_range(Simplex_handle sh)`and `assign_filtration(Simplex_handle sh, Filtration_value filt)` methods. + * + * \tparam ForwardPointRange is required by the pointer on Chech_complex for type definition. + */ template <typename SimplicialComplexForCech, typename ForwardPointRange> class Cech_blocker { private: @@ -52,10 +66,15 @@ class Cech_blocker { using Cech_complex = Gudhi::cech_complex::Cech_complex<SimplicialComplexForCech, ForwardPointRange>; public: + /** \internal \brief Cech complex blocker operator() - the oracle - assigns the filtration value from the simplex + * radius and returns if the simplex expansion must be blocked. + * \param[in] sh The Simplex_handle. + * \return true if the simplex radius is greater than the Cech_complex threshold*/ bool operator()(Simplex_handle sh) { Point_cloud points; for (auto vertex : simplicial_complex_.simplex_vertex_range(sh)) { - points.push_back(*(cc_ptr_->point(vertex))); + points.push_back(Point(cc_ptr_->point_iterator(vertex)->begin(), + cc_ptr_->point_iterator(vertex)->end())); #ifdef DEBUG_TRACES std::cout << "#(" << vertex << ")#"; #endif // DEBUG_TRACES @@ -68,6 +87,8 @@ class Cech_blocker { simplicial_complex_.assign_filtration(sh, radius); return (radius > cc_ptr_->threshold()); } + + /** \internal \brief Cech complex blocker constructor. */ Cech_blocker(SimplicialComplexForCech& simplicial_complex, Cech_complex* cc_ptr) : simplicial_complex_(simplicial_complex), cc_ptr_(cc_ptr) { |