diff options
Diffstat (limited to 'src/Persistence_representations/utilities/persistence_intervals/plot_histogram_of_intervals_lengths.cpp')
-rw-r--r-- | src/Persistence_representations/utilities/persistence_intervals/plot_histogram_of_intervals_lengths.cpp | 39 |
1 files changed, 22 insertions, 17 deletions
diff --git a/src/Persistence_representations/utilities/persistence_intervals/plot_histogram_of_intervals_lengths.cpp b/src/Persistence_representations/utilities/persistence_intervals/plot_histogram_of_intervals_lengths.cpp index d68f4584..ccb5b645 100644 --- a/src/Persistence_representations/utilities/persistence_intervals/plot_histogram_of_intervals_lengths.cpp +++ b/src/Persistence_representations/utilities/persistence_intervals/plot_histogram_of_intervals_lengths.cpp @@ -20,7 +20,6 @@ * along with this program. If not, see <http://www.gnu.org/licenses/>. */ -#include <gudhi/reader_utils.h> #include <gudhi/Persistence_intervals.h> #include <iostream> @@ -31,30 +30,34 @@ using Persistence_intervals = Gudhi::Persistence_representations::Persistence_intervals; int main(int argc, char** argv) { - std::cout << "This program compute a histogram of barcode's length. A number of bins in the histogram is a parameter " - "of this program. \n"; - if (argc != 3) { + std::cout << "This program computes a histogram of barcode's length. A number of bins in the histogram is a " + << "parameter of this program. \n"; + if ((argc != 3) && (argc != 4)) { std::cout << "To run this program, please provide the name of a file with persistence diagram and number of " - "dominant intervals you would like to get \n"; - std::cout << "The third parameter of a program is the dimension of the persistence that is to be used. If your " - "file contains only birth-death pairs, you can skip this parameter\n"; + << "dominant intervals you would like to get. Set a negative number dominant intervals value " + << "If your file contains only birth-death pairs.\n" + << "The third parameter is the dimension of the persistence that is to be used. If your " + << "file contains only birth-death pairs, you can skip this parameter\n"; return 1; } - unsigned dimension = std::numeric_limits<unsigned>::max(); - int dim = -1; - if (argc > 2) { - dim = atoi(argv[2]); + + unsigned dominant_interval_number = std::numeric_limits<unsigned>::max(); + int nbr = atoi(argv[2]); + if (nbr >= 0) { + dominant_interval_number = static_cast<unsigned>(nbr); } - if (dim >= 0) { - dimension = (unsigned)dim; + + int persistence_dimension = -1; + if (argc == 4) { + persistence_dimension = atoi(argv[3]); } - Persistence_intervals p(argv[1], dimension); - std::vector<std::pair<double, double> > dominant_intervals = p.dominant_intervals(atoi(argv[2])); + Persistence_intervals p(argv[1], dominant_interval_number); + std::vector<std::pair<double, double> > dominant_intervals = p.dominant_intervals(persistence_dimension); std::vector<size_t> histogram = p.histogram_of_lengths(10); std::stringstream gnuplot_script; - gnuplot_script << argv[1] << "_Gnuplot_script"; + gnuplot_script << argv[1] << "_GnuplotScript"; std::ofstream out; out.open(gnuplot_script.str().c_str()); @@ -66,7 +69,9 @@ int main(int argc, char** argv) { out << histogram[i] << std::endl; } out << std::endl; - std::cout << "To visualize, open gnuplot and type: load \'" << gnuplot_script.str().c_str() << "\'" << std::endl; out.close(); + + std::cout << "To visualize, install gnuplot and type the command: gnuplot -persist -e \"load \'" + << gnuplot_script.str().c_str() << "\'\"" << std::endl; return 0; } |