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 | 81 |
1 files changed, 37 insertions, 44 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 6e2598fa..dd81af88 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 @@ -20,58 +20,51 @@ * along with this program. If not, see <http://www.gnu.org/licenses/>. */ - - #include <gudhi/reader_utils.h> #include <gudhi/Persistence_intervals.h> #include <iostream> - - using namespace Gudhi; using namespace Gudhi::Persistence_representations; +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 << "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"; + return 1; + } + unsigned dimension = std::numeric_limits<unsigned>::max(); + int dim = -1; + if (argc > 2) { + dim = atoi(argv[2]); + } + if (dim >= 0) { + dimension = (unsigned)dim; + } + + Persistence_intervals p(argv[1], dimension); + std::vector<std::pair<double, double> > dominant_intervals = p.dominant_intervals(atoi(argv[2])); + std::vector<size_t> histogram = p.histogram_of_lengths(10); -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 << "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"; - return 1; - } - unsigned dimension = std::numeric_limits<unsigned>::max(); - int dim = -1; - if ( argc > 2 ) - { - dim = atoi( argv[2] ); - } - if ( dim >= 0 ) - { - dimension = (unsigned)dim; - } + std::stringstream gnuplot_script; + gnuplot_script << argv[1] << "_Gnuplot_script"; + std::ofstream out; + out.open(gnuplot_script.str().c_str()); - Persistence_intervals p( argv[1] , dimension ); - std::vector< std::pair<double,double> > dominant_intervals = p.dominant_intervals( atoi( argv[2] ) ); - std::vector< size_t > histogram = p.histogram_of_lengths( 10 ); - - std::stringstream gnuplot_script; - gnuplot_script << argv[1] << "_Gnuplot_script"; - std::ofstream out; - out.open( gnuplot_script.str().c_str() ); - - out << "set style data histogram" << std::endl; - out << "set style histogram cluster gap 1" << std::endl; - out << "set style fill solid border -1" << std::endl; - out << "plot '-' notitle" << std::endl; - for ( size_t i = 0 ; i != histogram.size() ; ++i ) - { - 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(); - return 0; + out << "set style data histogram" << std::endl; + out << "set style histogram cluster gap 1" << std::endl; + out << "set style fill solid border -1" << std::endl; + out << "plot '-' notitle" << std::endl; + for (size_t i = 0; i != histogram.size(); ++i) { + 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(); + return 0; } |