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-rw-r--r--src/Alpha_complex/utilities/weighted_alpha_complex_3d_persistence.cpp51
1 files changed, 39 insertions, 12 deletions
diff --git a/src/Alpha_complex/utilities/weighted_alpha_complex_3d_persistence.cpp b/src/Alpha_complex/utilities/weighted_alpha_complex_3d_persistence.cpp
index 91747a8c..0e73a99b 100644
--- a/src/Alpha_complex/utilities/weighted_alpha_complex_3d_persistence.cpp
+++ b/src/Alpha_complex/utilities/weighted_alpha_complex_3d_persistence.cpp
@@ -27,14 +27,17 @@
#include <gudhi/Persistent_cohomology.h>
#include <gudhi/Points_3D_off_io.h>
+#include <CGAL/config.h>
#include <CGAL/Exact_predicates_inexact_constructions_kernel.h>
-#include <CGAL/Regular_triangulation_euclidean_traits_3.h>
#include <CGAL/Regular_triangulation_3.h>
#include <CGAL/Alpha_shape_3.h>
-#include <CGAL/Alpha_shape_vertex_base_3.h>
-#include <CGAL/Alpha_shape_cell_base_3.h>
#include <CGAL/iterator.h>
+// For CGAL < 4.11
+#if CGAL_VERSION_NR < 1041100000
+#include <CGAL/Regular_triangulation_euclidean_traits_3.h>
+#endif // CGAL_VERSION_NR < 1041100000
+
#include <fstream>
#include <cmath>
#include <string>
@@ -47,19 +50,37 @@
#include "alpha_complex_3d_helper.h"
-// Traits
+// Alpha_shape_3 templates type definitions
using Kernel = CGAL::Exact_predicates_inexact_constructions_kernel;
+
+// For CGAL < 4.11
+#if CGAL_VERSION_NR < 1041100000
using Gt = CGAL::Regular_triangulation_euclidean_traits_3<Kernel>;
using Vb = CGAL::Alpha_shape_vertex_base_3<Gt>;
using Fb = CGAL::Alpha_shape_cell_base_3<Gt>;
using Tds = CGAL::Triangulation_data_structure_3<Vb, Fb>;
using Triangulation_3 = CGAL::Regular_triangulation_3<Gt, Tds>;
-using Alpha_shape_3 = CGAL::Alpha_shape_3<Triangulation_3>;
// From file type definition
using Point_3 = Gt::Bare_point;
using Weighted_point_3 = Gt::Weighted_point;
+// For CGAL >= 4.11
+#else // CGAL_VERSION_NR < 1041100000
+using Rvb = CGAL::Regular_triangulation_vertex_base_3<Kernel>;
+using Vb = CGAL::Alpha_shape_vertex_base_3<Kernel,Rvb>;
+using Rcb = CGAL::Regular_triangulation_cell_base_3<Kernel>;
+using Cb = CGAL::Alpha_shape_cell_base_3<Kernel,Rcb>;
+using Tds = CGAL::Triangulation_data_structure_3<Vb,Cb>;
+using Triangulation_3 = CGAL::Regular_triangulation_3<Kernel,Tds>;
+
+// From file type definition
+using Point_3 = Triangulation_3::Bare_point;
+using Weighted_point_3 = Triangulation_3::Weighted_point;
+#endif // CGAL_VERSION_NR < 1041100000
+
+using Alpha_shape_3 = CGAL::Alpha_shape_3<Triangulation_3>;
+
// filtration with alpha values needed type definition
using Alpha_value_type = Alpha_shape_3::FT;
using Object = CGAL::Object;
@@ -160,29 +181,28 @@ int main(int argc, char **argv) {
Filtration_value filtration_max = 0.0;
for (auto object_iterator : the_objects) {
// Retrieve Alpha shape vertex list from object
- if (const Cell_handle *cell = CGAL::object_cast<Cell_handle>(&object_iterator)) {
+ if (const Cell_handle* cell = CGAL::object_cast<Cell_handle>(&object_iterator)) {
vertex_list = from_cell<Vertex_list, Cell_handle>(*cell);
count_cells++;
if (dim_max < 3) {
// Cell is of dim 3
dim_max = 3;
}
- } else if (const Facet *facet = CGAL::object_cast<Facet>(&object_iterator)) {
+ } else if (const Facet* facet = CGAL::object_cast<Facet>(&object_iterator)) {
vertex_list = from_facet<Vertex_list, Facet>(*facet);
count_facets++;
if (dim_max < 2) {
// Facet is of dim 2
dim_max = 2;
}
- } else if (const Edge_3 *edge = CGAL::object_cast<Edge_3>(&object_iterator)) {
+ } else if (const Edge_3* edge = CGAL::object_cast<Edge_3>(&object_iterator)) {
vertex_list = from_edge<Vertex_list, Edge_3>(*edge);
count_edges++;
if (dim_max < 1) {
// Edge_3 is of dim 1
dim_max = 1;
}
- } else if (const Alpha_shape_3::Vertex_handle *vertex =
- CGAL::object_cast<Alpha_shape_3::Vertex_handle>(&object_iterator)) {
+ } else if (const Vertex_handle* vertex = CGAL::object_cast<Vertex_handle>(&object_iterator)) {
count_vertices++;
vertex_list = from_vertex<Vertex_list, Vertex_handle>(*vertex);
}
@@ -221,7 +241,6 @@ int main(int argc, char **argv) {
else
std::cout << "This shall not happen" << std::endl;
}
- simplex_tree.set_dimension(dim_max);
#ifdef DEBUG_TRACES
std::cout << "vertices \t\t" << count_vertices << std::endl;
@@ -253,7 +272,15 @@ int main(int argc, char **argv) {
pcoh.compute_persistent_cohomology(min_persistence);
- pcoh.output_diagram();
+ // Output the diagram in filediag
+ if (output_file_diag.empty()) {
+ pcoh.output_diagram();
+ } else {
+ std::cout << "Result in file: " << output_file_diag << std::endl;
+ std::ofstream out(output_file_diag);
+ pcoh.output_diagram(out);
+ out.close();
+ }
return 0;
}