diff options
author | skachano <skachano@636b058d-ea47-450e-bf9e-a15bfbe3eedb> | 2016-12-14 11:15:41 +0000 |
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committer | skachano <skachano@636b058d-ea47-450e-bf9e-a15bfbe3eedb> | 2016-12-14 11:15:41 +0000 |
commit | c0ae9d5915f52269ba387f037024d222d91b6bdd (patch) | |
tree | 487d15ee626f04759c6ef82305244541f71f9758 /src/Alpha_complex/example/Alpha_complex_from_points.cpp | |
parent | 6af3c873fadc3eae10aa964dd0105ef095201911 (diff) | |
parent | f0e5330a88f9e89a887769ab79f6db6dd4e1c35a (diff) |
Merged trunc to branch
git-svn-id: svn+ssh://scm.gforge.inria.fr/svnroot/gudhi/branches/subsampling_and_spatialsearching@1867 636b058d-ea47-450e-bf9e-a15bfbe3eedb
Former-commit-id: 20d5120a0702522b632008bfc6a5257c70c849d1
Diffstat (limited to 'src/Alpha_complex/example/Alpha_complex_from_points.cpp')
-rw-r--r-- | src/Alpha_complex/example/Alpha_complex_from_points.cpp | 38 |
1 files changed, 22 insertions, 16 deletions
diff --git a/src/Alpha_complex/example/Alpha_complex_from_points.cpp b/src/Alpha_complex/example/Alpha_complex_from_points.cpp index 49f77276..491b7e6d 100644 --- a/src/Alpha_complex/example/Alpha_complex_from_points.cpp +++ b/src/Alpha_complex/example/Alpha_complex_from_points.cpp @@ -1,5 +1,8 @@ -#include <CGAL/Epick_d.h> #include <gudhi/Alpha_complex.h> +// to construct a simplex_tree from alpha complex +#include <gudhi/Simplex_tree.h> + +#include <CGAL/Epick_d.h> #include <iostream> #include <string> @@ -40,23 +43,26 @@ int main(int argc, char **argv) { // ---------------------------------------------------------------------------- // Init of an alpha complex from the list of points // ---------------------------------------------------------------------------- - Gudhi::alpha_complex::Alpha_complex<Kernel> alpha_complex_from_points(points, alpha_square_max_value); + Gudhi::alpha_complex::Alpha_complex<Kernel> alpha_complex_from_points(points); - // ---------------------------------------------------------------------------- - // Display information about the alpha complex - // ---------------------------------------------------------------------------- - std::cout << "Alpha complex is of dimension " << alpha_complex_from_points.dimension() << - " - " << alpha_complex_from_points.num_simplices() << " simplices - " << - alpha_complex_from_points.num_vertices() << " vertices." << std::endl; - - std::cout << "Iterator on alpha complex simplices in the filtration order, with [filtration value]:" << std::endl; - for (auto f_simplex : alpha_complex_from_points.filtration_simplex_range()) { - std::cout << " ( "; - for (auto vertex : alpha_complex_from_points.simplex_vertex_range(f_simplex)) { - std::cout << vertex << " "; + Gudhi::Simplex_tree<> simplex; + if (alpha_complex_from_points.create_complex(simplex, alpha_square_max_value)) { + // ---------------------------------------------------------------------------- + // Display information about the alpha complex + // ---------------------------------------------------------------------------- + std::cout << "Alpha complex is of dimension " << simplex.dimension() << + " - " << simplex.num_simplices() << " simplices - " << + simplex.num_vertices() << " vertices." << std::endl; + + std::cout << "Iterator on alpha complex simplices in the filtration order, with [filtration value]:" << std::endl; + for (auto f_simplex : simplex.filtration_simplex_range()) { + std::cout << " ( "; + for (auto vertex : simplex.simplex_vertex_range(f_simplex)) { + std::cout << vertex << " "; + } + std::cout << ") -> " << "[" << simplex.filtration(f_simplex) << "] "; + std::cout << std::endl; } - std::cout << ") -> " << "[" << alpha_complex_from_points.filtration(f_simplex) << "] "; - std::cout << std::endl; } return 0; } |