diff options
Diffstat (limited to 'src/Alpha_complex/utilities/weighted_alpha_complex_3d_persistence.cpp')
-rw-r--r-- | src/Alpha_complex/utilities/weighted_alpha_complex_3d_persistence.cpp | 51 |
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; } |