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-rw-r--r--src/python/include/Alpha_complex_interface.h62
1 files changed, 30 insertions, 32 deletions
diff --git a/src/python/include/Alpha_complex_interface.h b/src/python/include/Alpha_complex_interface.h
index 23be194d..469b91ce 100644
--- a/src/python/include/Alpha_complex_interface.h
+++ b/src/python/include/Alpha_complex_interface.h
@@ -27,10 +27,23 @@ namespace alpha_complex {
class Alpha_complex_interface {
public:
- Alpha_complex_interface(const std::vector<std::vector<double>>& points, bool fast_version, bool exact_version)
- : points_(points),
- fast_version_(fast_version),
- exact_version_(exact_version) {
+ Alpha_complex_interface(const std::vector<std::vector<double>>& points,
+ const std::vector<double>& weights,
+ bool fast_version, bool exact_version) {
+ const bool weighted = (weights.size() > 0);
+ if (fast_version) {
+ if (weighted) {
+ alpha_ptr_ = std::make_unique<Inexact_alpha_complex_dD<true>>(points, weights);
+ } else {
+ alpha_ptr_ = std::make_unique<Inexact_alpha_complex_dD<false>>(points);
+ }
+ } else {
+ if (weighted) {
+ alpha_ptr_ = std::make_unique<Exact_alpha_complex_dD<true>>(points, weights, exact_version);
+ } else {
+ alpha_ptr_ = std::make_unique<Exact_alpha_complex_dD<false>>(points, exact_version);
+ }
+ }
}
std::vector<double> get_point(int vh) {
@@ -39,38 +52,23 @@ class Alpha_complex_interface {
void create_simplex_tree(Simplex_tree_interface<>* simplex_tree, double max_alpha_square,
bool default_filtration_value) {
- if (points_.size() > 0) {
- std::size_t dimension = points_[0].size();
- if (dimension == 3 && !default_filtration_value) {
- if (fast_version_)
- alpha_ptr_ = std::make_unique<Alphacomplex_3D<Gudhi::alpha_complex::complexity::FAST>>(points_);
- else if (exact_version_)
- alpha_ptr_ = std::make_unique<Alphacomplex_3D<Gudhi::alpha_complex::complexity::EXACT>>(points_);
- else
- alpha_ptr_ = std::make_unique<Alphacomplex_3D<Gudhi::alpha_complex::complexity::SAFE>>(points_);
- if (!alpha_ptr_->create_simplex_tree(simplex_tree, max_alpha_square, default_filtration_value)) {
- // create_simplex_tree will fail if all points are on a plane - Retry with dD by setting dimension to 2
- dimension--;
- alpha_ptr_.reset();
- }
- }
- // Not ** else ** because we have to take into account if 3d fails
- if (dimension != 3 || default_filtration_value) {
- if (fast_version_) {
- alpha_ptr_ = std::make_unique<Inexact_Alphacomplex_dD>(points_, exact_version_);
- } else {
- alpha_ptr_ = std::make_unique<Exact_Alphacomplex_dD>(points_, exact_version_);
- }
- alpha_ptr_->create_simplex_tree(simplex_tree, max_alpha_square, default_filtration_value);
- }
- }
+ // Nothing to be done in case of an empty point set
+ if (alpha_ptr_->num_vertices() > 0)
+ alpha_ptr_->create_simplex_tree(simplex_tree, max_alpha_square, default_filtration_value);
+ }
+
+ static void set_float_relative_precision(double precision) {
+ // cf. Exact_alpha_complex_dD kernel type in Alpha_complex_factory.h
+ CGAL::Epeck_d<CGAL::Dynamic_dimension_tag>::FT::set_relative_precision_of_to_double(precision);
+ }
+
+ static double get_float_relative_precision() {
+ // cf. Exact_alpha_complex_dD kernel type in Alpha_complex_factory.h
+ return CGAL::Epeck_d<CGAL::Dynamic_dimension_tag>::FT::get_relative_precision_of_to_double();
}
private:
std::unique_ptr<Abstract_alpha_complex> alpha_ptr_;
- std::vector<std::vector<double>> points_;
- bool fast_version_;
- bool exact_version_;
};
} // namespace alpha_complex