diff options
Diffstat (limited to 'src/Persistence_representations/utilities/persistence_intervals/plot_persistence_Betti_numbers.cpp')
-rw-r--r-- | src/Persistence_representations/utilities/persistence_intervals/plot_persistence_Betti_numbers.cpp | 30 |
1 files changed, 15 insertions, 15 deletions
diff --git a/src/Persistence_representations/utilities/persistence_intervals/plot_persistence_Betti_numbers.cpp b/src/Persistence_representations/utilities/persistence_intervals/plot_persistence_Betti_numbers.cpp index da2b9319..b433c2b3 100644 --- a/src/Persistence_representations/utilities/persistence_intervals/plot_persistence_Betti_numbers.cpp +++ b/src/Persistence_representations/utilities/persistence_intervals/plot_persistence_Betti_numbers.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> @@ -31,29 +30,24 @@ using Persistence_intervals = Gudhi::Persistence_representations::Persistence_intervals; int main(int argc, char** argv) { - std::cout << "This program compute a plot of persistence Betti numbers. The input parameter is a file with " - "persistence intervals. \n"; - std::cout << "The second optional 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"; - if (argc < 2) { - 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"; + if ((argc != 3) && (argc != 2)) { + std::cout << "This program creates a gnuplot script of Betti numbers from a single persistence diagram file" + << "(*.pers).\n" + << "To run this program, please provide the name of a file with persistence diagram.\n" + << "The second optional 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) { + if (argc == 3) { 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, size_t> > pbns = p.compute_persistent_betti_numbers(); @@ -69,6 +63,11 @@ int main(int argc, char** argv) { xRangeEnd += (xRangeEnd - xRangeBegin) / 100.0; yRangeEnd += yRangeEnd / 100; + std::stringstream gnuplot_script; + gnuplot_script << argv[1] << "_GnuplotScript"; + std::ofstream out; + out.open(gnuplot_script.str().c_str()); + out << "set xrange [" << xRangeBegin << " : " << xRangeEnd << "]" << std::endl; out << "set yrange [" << yRangeBegin << " : " << yRangeEnd << "]" << std::endl; out << "plot '-' using 1:2 notitle with lp " << std::endl; @@ -81,7 +80,8 @@ int main(int argc, char** argv) { out << std::endl; out.close(); - std::cout << "To visualize, open gnuplot and type: load \'" << gnuplot_script.str().c_str() << "\'" << std::endl; + std::cout << "To visualize, install gnuplot and type the command: gnuplot -persist -e \"load \'" + << gnuplot_script.str().c_str() << "\'\"" << std::endl; return 0; } |