summaryrefslogtreecommitdiff
path: root/src/python/include/Alpha_complex_interface.h
diff options
context:
space:
mode:
Diffstat (limited to 'src/python/include/Alpha_complex_interface.h')
-rw-r--r--src/python/include/Alpha_complex_interface.h70
1 files changed, 70 insertions, 0 deletions
diff --git a/src/python/include/Alpha_complex_interface.h b/src/python/include/Alpha_complex_interface.h
new file mode 100644
index 00000000..b3553d32
--- /dev/null
+++ b/src/python/include/Alpha_complex_interface.h
@@ -0,0 +1,70 @@
+/* This file is part of the Gudhi Library - https://gudhi.inria.fr/ - which is released under MIT.
+ * See file LICENSE or go to https://gudhi.inria.fr/licensing/ for full license details.
+ * Author(s): Vincent Rouvreau
+ *
+ * Copyright (C) 2016 Inria
+ *
+ * Modification(s):
+ * - YYYY/MM Author: Description of the modification
+ */
+
+#ifndef INCLUDE_ALPHA_COMPLEX_INTERFACE_H_
+#define INCLUDE_ALPHA_COMPLEX_INTERFACE_H_
+
+#include <gudhi/Simplex_tree.h>
+#include <gudhi/Alpha_complex.h>
+#include <CGAL/Epick_d.h>
+
+#include "Simplex_tree_interface.h"
+
+#include <iostream>
+#include <vector>
+#include <string>
+
+namespace Gudhi {
+
+namespace alpha_complex {
+
+class Alpha_complex_interface {
+ using Dynamic_kernel = CGAL::Epick_d< CGAL::Dynamic_dimension_tag >;
+ using Point_d = Dynamic_kernel::Point_d;
+
+ public:
+ Alpha_complex_interface(const std::vector<std::vector<double>>& points) {
+ alpha_complex_ = new Alpha_complex<Dynamic_kernel>(points);
+ }
+
+ Alpha_complex_interface(const std::string& off_file_name, bool from_file = true) {
+ alpha_complex_ = new Alpha_complex<Dynamic_kernel>(off_file_name);
+ }
+
+ ~Alpha_complex_interface() {
+ delete alpha_complex_;
+ }
+
+ std::vector<double> get_point(int vh) {
+ std::vector<double> vd;
+ try {
+ Point_d ph = alpha_complex_->get_point(vh);
+ for (auto coord = ph.cartesian_begin(); coord < ph.cartesian_end(); coord++)
+ vd.push_back(*coord);
+ } catch (std::out_of_range const&) {
+ // std::out_of_range is thrown in case not found. Other exceptions must be re-thrown
+ }
+ return vd;
+ }
+
+ void create_simplex_tree(Simplex_tree_interface<>* simplex_tree, double max_alpha_square) {
+ alpha_complex_->create_complex(*simplex_tree, max_alpha_square);
+ simplex_tree->initialize_filtration();
+ }
+
+ private:
+ Alpha_complex<Dynamic_kernel>* alpha_complex_;
+};
+
+} // namespace alpha_complex
+
+} // namespace Gudhi
+
+#endif // INCLUDE_ALPHA_COMPLEX_INTERFACE_H_