From 5de02a8e89ce7905281a0ef6d40f82ef04d426d6 Mon Sep 17 00:00:00 2001 From: vrouvrea Date: Tue, 30 May 2017 11:14:43 +0000 Subject: Typo git-svn-id: svn+ssh://scm.gforge.inria.fr/svnroot/gudhi/branches/persistence_representation_integration@2472 636b058d-ea47-450e-bf9e-a15bfbe3eedb Former-commit-id: 457b970258b8a99519db664358c19d0dee80d879 --- .../plot_histogram_of_intervals_lengths.cpp | 77 ++++++++++++++++++++++ 1 file changed, 77 insertions(+) create mode 100644 src/Persistence_representations/utilities/persistence_intervals/plot_histogram_of_intervals_lengths.cpp (limited to 'src/Persistence_representations/utilities/persistence_intervals/plot_histogram_of_intervals_lengths.cpp') 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 new file mode 100644 index 00000000..b2cbac70 --- /dev/null +++ b/src/Persistence_representations/utilities/persistence_intervals/plot_histogram_of_intervals_lengths.cpp @@ -0,0 +1,77 @@ +/* This file is part of the Gudhi Library. The Gudhi library + * (Geometric Understanding in Higher Dimensions) is a generic C++ + * library for computational topology. + * + * Author(s): Pawel Dlotko + * + * Copyright (C) 2015 INRIA (France) + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see . + */ + + + +#include +#include + +#include + + + +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::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 > 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 vizualize, open gnuplot and type: load \'" << gnuplot_script.str().c_str() << "\'" << std::endl; + out.close(); + return 0; +} -- cgit v1.2.3