No Matches
/* 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/PSSK.h>
#include <iostream>
#include <sstream>
#include <limits>
#include <vector>
int main(int argc, char** argv) {
std::clog << "This program creates PSSK files (*.pssk) of persistence diagrams files (*.pers) "
<< "provided as an input.\n"
<< "The first parameter of a program is an integer, a size of a grid.\n"
<< "The second and third parameters are min and max of the grid. If you want those numbers to be computed "
<< "based on the data, set them both to -1 \n"
<< "The fourth parameter is an integer, the standard deviation of a Gaussian kernel expressed in a number "
<< "of pixels.\n"
<< "The fifth parameter of this program is a dimension of persistence that will be used in creation of "
<< "the PSSK."
<< "If your input files contains persistence pairs of various dimension, as a fifth 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 < 7) {
std::clog << "Wrong parameter list, the program will now terminate \n";
return 1;
size_t size_of_grid = (size_t)atoi(argv[1]);
double min_ = atof(argv[2]);
double max_ = atof(argv[3]);
size_t stdiv = atof(argv[4]);
unsigned dimension = std::numeric_limits<unsigned>::max();
int dim = atoi(argv[5]);
if (dim >= 0) {
dimension = (unsigned)dim;
std::vector<const char*> filenames;
for (int i = 6; i < argc; ++i) {
std::vector<std::vector<double> > filter = Gudhi::Persistence_representations::create_Gaussian_filter(stdiv, 1);
for (size_t i = 0; i != filenames.size(); ++i) {
std::clog << "Creating a PSSK based on a file : " << filenames[i] << std::endl;
PSSK l(filenames[i], filter, size_of_grid, min_, max_, dimension);
std::stringstream ss;
ss << filenames[i] << ".pssk";
return 0;
void print_to_file(const char *filename) const
Definition: Persistence_heat_maps.h:813