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persistence_vectors/create_persistence_vectors.cpp
/* This file is part of the Gudhi Library - https://gudhi.inria.fr/ - which is released under MIT.
* See file LICENSE or go to https://gudhi.inria.fr/licensing/ for full license details.
* Author(s): Pawel Dlotko
*
* Copyright (C) 2016 Inria
*
* Modification(s):
* - YYYY/MM Author: Description of the modification
*/
#include <gudhi/Persistence_vectors.h>
#include <iostream>
#include <sstream>
#include <limits>
#include <vector>
using Euclidean_distance = Gudhi::Euclidean_distance;
using Vector_distances_in_diagram = Gudhi::Persistence_representations::Vector_distances_in_diagram<Euclidean_distance>;
int main(int argc, char** argv) {
std::clog << "This program creates persistence vectors files (*.vect) of persistence diagrams files (*.pers) "
<< "provided as an input.\n"
<< "The first parameter of this program is a dimension of persistence that will be used in creation of "
<< "the persistence heat maps."
<< "If your input files contains persistence pairs of various dimension, as a first parameter of the "
<< "procedure please provide the dimension of persistence you want to use."
<< "If in your files there are only birth-death pairs of the same dimension, set the first parameter to "
<< "-1.\n"
<< "The remaining parameters are the names of files with persistence diagrams. \n";
if (argc < 3) {
std::clog << "Wrong parameter list, the program will now terminate \n";
return 1;
}
std::clog << "The remaining parameters are the names of files with persistence diagrams. \n";
int dim = atoi(argv[1]);
unsigned dimension = std::numeric_limits<unsigned>::max();
if (dim >= 0) {
dimension = (unsigned)dim;
}
std::vector<const char*> filenames;
for (int i = 2; i < argc; ++i) {
filenames.push_back(argv[i]);
}
for (size_t i = 0; i != filenames.size(); ++i) {
std::cerr << "Creating persistence vectors based on a file : " << filenames[i] << std::endl;
Vector_distances_in_diagram l(filenames[i], dimension);
std::stringstream ss;
ss << filenames[i] << ".vect";
l.print_to_file(ss.str().c_str());
}
return 0;
}
Gudhi::Euclidean_distance
Compute the Euclidean distance between two Points given by a range of coordinates....
Definition distance_functions.h:32
Gudhi::Persistence_representations::Vector_distances_in_diagram
A class implementing persistence vectors.
Definition Persistence_vectors.h:54
Gudhi::Persistence_representations::Vector_distances_in_diagram::print_to_file
void print_to_file(const char *filename) const
Definition Persistence_vectors.h:107