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-rw-r--r--example/Rips_complex/example_rips_complex_from_csv_distance_matrix_file.cpp72
1 files changed, 0 insertions, 72 deletions
diff --git a/example/Rips_complex/example_rips_complex_from_csv_distance_matrix_file.cpp b/example/Rips_complex/example_rips_complex_from_csv_distance_matrix_file.cpp
deleted file mode 100644
index 9e182f1e..00000000
--- a/example/Rips_complex/example_rips_complex_from_csv_distance_matrix_file.cpp
+++ /dev/null
@@ -1,72 +0,0 @@
-#include <gudhi/Rips_complex.h>
-// to construct Rips_complex from a csv file representing a distance matrix
-#include <gudhi/reader_utils.h>
-#include <gudhi/Simplex_tree.h>
-#include <gudhi/distance_functions.h>
-
-#include <iostream>
-#include <string>
-#include <vector>
-
-void usage(int nbArgs, char * const progName) {
- std::cerr << "Error: Number of arguments (" << nbArgs << ") is not correct\n";
- std::cerr << "Usage: " << progName << " filename.csv threshold dim_max [ouput_file.txt]\n";
- std::cerr << " i.e.: " << progName << " ../../data/distance_matrix/full_square_distance_matrix.csv 1.0 3\n";
- exit(-1); // ----- >>
-}
-
-int main(int argc, char **argv) {
- if ((argc != 4) && (argc != 5)) usage(argc, (argv[0] - 1));
-
- std::string csv_file_name(argv[1]);
- double threshold = atof(argv[2]);
- int dim_max = atoi(argv[3]);
-
- // Type definitions
- using Simplex_tree = Gudhi::Simplex_tree<>;
- using Filtration_value = Simplex_tree::Filtration_value;
- using Rips_complex = Gudhi::rips_complex::Rips_complex<Filtration_value>;
- using Distance_matrix = std::vector<std::vector<Filtration_value>>;
-
- // ----------------------------------------------------------------------------
- // Init of a Rips complex from a distance matrix in a csv file
- // Default separator is ';'
- // ----------------------------------------------------------------------------
- Distance_matrix distances = Gudhi::read_lower_triangular_matrix_from_csv_file<Filtration_value>(csv_file_name);
- Rips_complex rips_complex_from_file(distances, threshold);
-
- std::streambuf* streambufffer;
- std::ofstream ouput_file_stream;
-
- if (argc == 5) {
- ouput_file_stream.open(std::string(argv[4]));
- streambufffer = ouput_file_stream.rdbuf();
- } else {
- streambufffer = std::cout.rdbuf();
- }
-
- Simplex_tree stree;
- rips_complex_from_file.create_complex(stree, dim_max);
- std::ostream output_stream(streambufffer);
-
- // ----------------------------------------------------------------------------
- // Display information about the Rips complex
- // ----------------------------------------------------------------------------
- output_stream << "Rips complex is of dimension " << stree.dimension() <<
- " - " << stree.num_simplices() << " simplices - " <<
- stree.num_vertices() << " vertices." << std::endl;
-
- output_stream << "Iterator on Rips complex simplices in the filtration order, with [filtration value]:" <<
- std::endl;
- for (auto f_simplex : stree.filtration_simplex_range()) {
- output_stream << " ( ";
- for (auto vertex : stree.simplex_vertex_range(f_simplex)) {
- output_stream << vertex << " ";
- }
- output_stream << ") -> " << "[" << stree.filtration(f_simplex) << "] ";
- output_stream << std::endl;
- }
-
- ouput_file_stream.close();
- return 0;
-}