diff options
author | pdlotko <pdlotko@636b058d-ea47-450e-bf9e-a15bfbe3eedb> | 2016-10-04 11:55:38 +0000 |
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committer | pdlotko <pdlotko@636b058d-ea47-450e-bf9e-a15bfbe3eedb> | 2016-10-04 11:55:38 +0000 |
commit | 683d39989fafdd1be7408b0b1c4e9d0f00930ac8 (patch) | |
tree | 09145f7857bad3cb574a13ca15a60028bba78117 /src | |
parent | bb5705be2727f9e614950255ef4ae29942bb2668 (diff) |
adding the missing files from utylities/persistence_landscapes
git-svn-id: svn+ssh://scm.gforge.inria.fr/svnroot/gudhi/branches/gudhi_stat@1616 636b058d-ea47-450e-bf9e-a15bfbe3eedb
Former-commit-id: c0e1a9cfe0581a9f6f84d328236e1ee0d409e10b
Diffstat (limited to 'src')
-rwxr-xr-x | src/Gudhi_stat/example/utilities/persistence_landscapes/average_landscapes | bin | 99922 -> 0 bytes | |||
-rw-r--r-- | src/Gudhi_stat/example/utilities/persistence_landscapes/compute_distance_of_landscapes.cpp | 109 | ||||
-rw-r--r-- | src/Gudhi_stat/example/utilities/persistence_landscapes/compute_scalar_product_of_landscapes.cpp | 92 | ||||
-rwxr-xr-x | src/Gudhi_stat/example/utilities/persistence_landscapes/create_landscapes | bin | 99645 -> 0 bytes | |||
-rwxr-xr-x | src/Gudhi_stat/example/utilities/persistence_landscapes/plot_landscapes | bin | 99584 -> 0 bytes |
5 files changed, 201 insertions, 0 deletions
diff --git a/src/Gudhi_stat/example/utilities/persistence_landscapes/average_landscapes b/src/Gudhi_stat/example/utilities/persistence_landscapes/average_landscapes Binary files differdeleted file mode 100755 index b2a88191..00000000 --- a/src/Gudhi_stat/example/utilities/persistence_landscapes/average_landscapes +++ /dev/null diff --git a/src/Gudhi_stat/example/utilities/persistence_landscapes/compute_distance_of_landscapes.cpp b/src/Gudhi_stat/example/utilities/persistence_landscapes/compute_distance_of_landscapes.cpp new file mode 100644 index 00000000..12a4b3bd --- /dev/null +++ b/src/Gudhi_stat/example/utilities/persistence_landscapes/compute_distance_of_landscapes.cpp @@ -0,0 +1,109 @@ +/* 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 Sophia-Saclay (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/abstract_classes/Abs_Topological_data.h> +#include <gudhi/concretizations/Persistence_landscape.h> + + + +using namespace Gudhi; +using namespace Gudhi::Gudhi_stat; + +#include <iostream> +#include <sstream> + + +int main( int argc , char** argv ) +{ + std::cout << "This program compute distance of persistence landscapes stored in a file (the file needs to be created beforehand). \n"; + std::cout << "The first parameter of a program is an interger p. The program compute L^p distance of the given landscapes. For L^infty distance choose p = -1. \n"; + std::cout << "The remaining parameters of this programs are names of files with persistence landscapes."; + + if ( argc < 3 ) + { + std::cout << "Wrong number of parameters, the program will now terminate \n"; + return 1; + } + + int p = atoi( argv[1] ); + + std::vector< const char* > filenames; + for ( int i = 2 ; i < argc ; ++i ) + { + filenames.push_back( argv[i] ); + } + std::vector< Persistence_landscape > landscaspes; + landscaspes.reserve( filenames.size() ); + for ( size_t file_no = 0 ; file_no != filenames.size() ; ++file_no ) + { + std::cout << "Loading persistence landscape from a file : " << filenames[file_no] << std::endl; + Persistence_landscape l; + l.load_landscape_from_file( filenames[file_no] ); + landscaspes.push_back( l ); + } + + //and now we will compute the scalar product of landscapes. + + //first we prepare an array: + std::vector< std::vector< double > > distance( filenames.size() ); + for ( size_t i = 0 ; i != filenames.size() ; ++i ) + { + std::vector< double > v( filenames.size() , 0 ); + distance[i] = v; + } + + //and now we can compute the distances: + for ( size_t i = 0 ; i != landscaspes.size() ; ++i ) + { + for ( size_t j = i ; j != landscaspes.size() ; ++j ) + { + distance[i][j] = distance[j][i] = compute_discance_of_landscapes( landscaspes[i], landscaspes[j] , p ) ; + + } + } + + //and now output the result to the screen and a file: + ofstream out; + out.open( "distance" ); + for ( size_t i = 0 ; i != distance.size() ; ++i ) + { + for ( size_t j = 0 ; j != distance.size() ; ++j ) + { + cout << distance[i][j] << " "; + out << distance[i][j] << " "; + } + cout << endl; + out << endl; + } + out.close(); + + return 0; +} + + + + + + + diff --git a/src/Gudhi_stat/example/utilities/persistence_landscapes/compute_scalar_product_of_landscapes.cpp b/src/Gudhi_stat/example/utilities/persistence_landscapes/compute_scalar_product_of_landscapes.cpp new file mode 100644 index 00000000..ac64a798 --- /dev/null +++ b/src/Gudhi_stat/example/utilities/persistence_landscapes/compute_scalar_product_of_landscapes.cpp @@ -0,0 +1,92 @@ +/* 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 Sophia-Saclay (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/abstract_classes/Abs_Topological_data.h> +#include <gudhi/concretizations/Persistence_landscape.h> + + + +using namespace Gudhi; +using namespace Gudhi::Gudhi_stat; + +#include <iostream> +#include <sstream> + + +int main( int argc , char** argv ) +{ + std::cout << "This program compute scalar product of persistence landscapes stored in a file (the file needs to be created beforehand). \n"; + std::cout << "The parameters of this programs are names of files with persistence landscapes.\n"; + + std::vector< const char* > filenames; + for ( int i = 1 ; i < argc ; ++i ) + { + filenames.push_back( argv[i] ); + } + std::vector< Persistence_landscape > landscaspes; + landscaspes.reserve( filenames.size() ); + for ( size_t file_no = 0 ; file_no != filenames.size() ; ++file_no ) + { + std::cout << "Reading persistence landscape from a file : " << filenames[file_no] << std::endl; + Persistence_landscape l; + l.load_landscape_from_file( filenames[file_no] ); + landscaspes.push_back( l ); + } + + //and now we will compute the scalar product of landscapes. + + //first we prepare an array: + std::vector< std::vector< double > > scalar_product( filenames.size() ); + for ( size_t i = 0 ; i != filenames.size() ; ++i ) + { + std::vector< double > v( filenames.size() , 0 ); + scalar_product[i] = v; + } + + //and now we can compute the scalar product: + for ( size_t i = 0 ; i != landscaspes.size() ; ++i ) + { + for ( size_t j = i ; j != landscaspes.size() ; ++j ) + { + scalar_product[i][j] = scalar_product[j][i] = compute_inner_product( landscaspes[i], landscaspes[j] ) ; + } + } + + //and now output the result to the screen and a file: + ofstream out; + out.open( "scalar_product" ); + for ( size_t i = 0 ; i != scalar_product.size() ; ++i ) + { + for ( size_t j = 0 ; j != scalar_product.size() ; ++j ) + { + cout << scalar_product[i][j] << " "; + out << scalar_product[i][j] << " "; + } + cout << endl; + out << endl; + } + out.close(); + + return 0; +} diff --git a/src/Gudhi_stat/example/utilities/persistence_landscapes/create_landscapes b/src/Gudhi_stat/example/utilities/persistence_landscapes/create_landscapes Binary files differdeleted file mode 100755 index 6be64214..00000000 --- a/src/Gudhi_stat/example/utilities/persistence_landscapes/create_landscapes +++ /dev/null diff --git a/src/Gudhi_stat/example/utilities/persistence_landscapes/plot_landscapes b/src/Gudhi_stat/example/utilities/persistence_landscapes/plot_landscapes Binary files differdeleted file mode 100755 index 2352c96b..00000000 --- a/src/Gudhi_stat/example/utilities/persistence_landscapes/plot_landscapes +++ /dev/null |