diff options
Diffstat (limited to 'src/Persistence_representations/utilities/persistence_intervals/compute_number_of_dominant_intervals.cpp')
-rw-r--r-- | src/Persistence_representations/utilities/persistence_intervals/compute_number_of_dominant_intervals.cpp | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/src/Persistence_representations/utilities/persistence_intervals/compute_number_of_dominant_intervals.cpp b/src/Persistence_representations/utilities/persistence_intervals/compute_number_of_dominant_intervals.cpp new file mode 100644 index 00000000..c099befc --- /dev/null +++ b/src/Persistence_representations/utilities/persistence_intervals/compute_number_of_dominant_intervals.cpp @@ -0,0 +1,59 @@ +/* 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 <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 the dominant intervals. A number of intervals to be displayed is a parameter of this program. \n"; + if ( argc != 4 ) + { + std::cout << "To run this program, please provide the name of a file with persistence diagram, dimension of intervals that should be taken into account (if your file contains only persistence pairs in a single dimension, set it up to -1) and number of dominant intervals you would like to get \n"; + return 1; + } + int dim = atoi( argv[2] ); + unsigned dimension = std::numeric_limits<unsigned>::max(); + 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[3] ) ); + std::cout << "Here are the dominant intervals : " << std::endl; + for ( size_t i = 0 ; i != dominant_intervals.size() ; ++i ) + { + std::cout << " " << dominant_intervals[i].first<< "," << dominant_intervals[i].second << " "<< std::endl; + } + + return 0; +} |