diff options
Diffstat (limited to 'src/Alpha_complex/example/Alpha_complex_from_off.cpp')
-rw-r--r-- | src/Alpha_complex/example/Alpha_complex_from_off.cpp | 25 |
1 files changed, 14 insertions, 11 deletions
diff --git a/src/Alpha_complex/example/Alpha_complex_from_off.cpp b/src/Alpha_complex/example/Alpha_complex_from_off.cpp index a17155de..3ce4c7f4 100644 --- a/src/Alpha_complex/example/Alpha_complex_from_off.cpp +++ b/src/Alpha_complex/example/Alpha_complex_from_off.cpp @@ -1,37 +1,40 @@ -// to construct a Delaunay_triangulation from a OFF file -#include "gudhi/Delaunay_triangulation_off_io.h" -#include "gudhi/Alpha_complex.h" - #include <stdio.h> #include <stdlib.h> + #include <string> +// to construct a Delaunay_triangulation from a OFF file +#include "gudhi/Delaunay_triangulation_off_io.h" +#include "gudhi/Alpha_complex.h" + void usage(char * const progName) { - std::cerr << "Usage: " << progName << " filename.off" << std::endl; - exit(-1); // ----- >> + std::cerr << "Usage: " << progName << " filename.off alpha_square_max_value" << std::endl; + std::cerr << " i.e.: " << progName << " ../../data/points/alphacomplexdoc.off 60.0" << std::endl; + exit(-1); // ----- >> } int main(int argc, char **argv) { - if (argc != 2) { + if (argc != 3) { std::cerr << "Error: Number of arguments (" << argc << ") is not correct" << std::endl; usage(argv[0]); } std::string off_file_name(argv[1]); + double alpha_square_max_value = atof(argv[2]); // ---------------------------------------------------------------------------- // Init of an alpha complex from an OFF file // ---------------------------------------------------------------------------- typedef CGAL::Epick_d< CGAL::Dynamic_dimension_tag > Kernel; - Gudhi::alphacomplex::Alpha_complex<Kernel> alpha_complex_from_file(off_file_name); - + Gudhi::alphacomplex::Alpha_complex<Kernel> alpha_complex_from_file(off_file_name, alpha_square_max_value); + // ---------------------------------------------------------------------------- // Display information about the alpha complex // ---------------------------------------------------------------------------- std::cout << "Alpha complex is of dimension " << alpha_complex_from_file.dimension() << " - " << alpha_complex_from_file.num_simplices() << " simplices - " << alpha_complex_from_file.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_file.filtration_simplex_range()) { std::cout << " ( "; @@ -42,4 +45,4 @@ int main(int argc, char **argv) { std::cout << std::endl; } return 0; -}
\ No newline at end of file +} |