diff options
author | mcarrier <mcarrier@636b058d-ea47-450e-bf9e-a15bfbe3eedb> | 2018-04-20 15:56:06 +0000 |
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committer | mcarrier <mcarrier@636b058d-ea47-450e-bf9e-a15bfbe3eedb> | 2018-04-20 15:56:06 +0000 |
commit | 7f9e8f11f70e8387ef29c3fa13016121dca79cbe (patch) | |
tree | abd50b927970f7de1cb07f2041e093a22a446753 /src/Persistence_representations/example | |
parent | 905be209a0e62121c125c37e01f4d2eae5aa606d (diff) |
git-svn-id: svn+ssh://scm.gforge.inria.fr/svnroot/gudhi/branches/kernels@3385 636b058d-ea47-450e-bf9e-a15bfbe3eedb
Former-commit-id: 2a83e62e132ce406986efa1456b5f1bca6b93691
Diffstat (limited to 'src/Persistence_representations/example')
4 files changed, 118 insertions, 4 deletions
diff --git a/src/Persistence_representations/example/CMakeLists.txt b/src/Persistence_representations/example/CMakeLists.txt index 79d39c4d..89284e38 100644 --- a/src/Persistence_representations/example/CMakeLists.txt +++ b/src/Persistence_representations/example/CMakeLists.txt @@ -37,3 +37,12 @@ add_test(NAME Persistence_weighted_gaussian COMMAND $<TARGET_FILE:Persistence_weighted_gaussian>) install(TARGETS Persistence_weighted_gaussian DESTINATION bin) +add_executable ( Persistence_image persistence_image.cpp ) +add_test(NAME Persistence_image + COMMAND $<TARGET_FILE:Persistence_image>) +install(TARGETS Persistence_image DESTINATION bin) + +add_executable ( Landscape landscape.cpp ) +add_test(NAME Landscape + COMMAND $<TARGET_FILE:Landscape>) +install(TARGETS Landscape DESTINATION bin) diff --git a/src/Persistence_representations/example/landscape.cpp b/src/Persistence_representations/example/landscape.cpp new file mode 100644 index 00000000..5fa84a7c --- /dev/null +++ b/src/Persistence_representations/example/landscape.cpp @@ -0,0 +1,51 @@ +/* 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): Mathieu Carriere + * + * Copyright (C) 2018 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/Landscape.h> + +#include <iostream> +#include <vector> +#include <utility> + +using LS = Gudhi::Persistence_representations::Landscape; + +int main(int argc, char** argv) { + + std::vector<std::pair<double, double> > persistence; + + persistence.push_back(std::make_pair(1, 2)); + persistence.push_back(std::make_pair(6, 8)); + persistence.push_back(std::make_pair(0, 4)); + persistence.push_back(std::make_pair(3, 8)); + + int nb_ls = 3; double min_x = 0.0; double max_x = 10.0; int res_x = 100; + + LS ls(persistence, nb_ls, min_x, max_x, res_x); + std::vector<std::vector<double> > L = ls.vectorize(); + + for(int i = 0; i < nb_ls; i++){ + for(int j = 0; j < res_x; j++) std::cout << L[i][j] << " "; + std::cout << std::endl; + } + + return 0; +} diff --git a/src/Persistence_representations/example/persistence_image.cpp b/src/Persistence_representations/example/persistence_image.cpp new file mode 100644 index 00000000..dfa469d4 --- /dev/null +++ b/src/Persistence_representations/example/persistence_image.cpp @@ -0,0 +1,54 @@ +/* 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): Mathieu Carriere + * + * Copyright (C) 2018 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/Persistence_image.h> +#include <gudhi/Persistence_weighted_gaussian.h> + +#include <iostream> +#include <vector> +#include <utility> +#include <string> + +using PI = Gudhi::Persistence_representations::Persistence_image; +using Weight = std::function<double (std::pair<double,double>) >; + +int main(int argc, char** argv) { + + std::vector<std::pair<double, double> > persistence; + + persistence.push_back(std::make_pair(1, 2)); + persistence.push_back(std::make_pair(6, 8)); + persistence.push_back(std::make_pair(0, 4)); + persistence.push_back(std::make_pair(3, 8)); + + double min_x = 0.0; double max_x = 10.0; int res_x = 100; double min_y = 0.0; double max_y = 10.0; int res_y = 100; double sigma = 1.0; Weight weight = Gudhi::Persistence_representations::Persistence_weighted_gaussian::linear_weight; + + PI pim(persistence, min_x, max_x, res_x, min_y, max_y, res_y, weight, sigma); + std::vector<std::vector<double> > P = pim.vectorize(); + + for(int i = 0; i < res_y; i++){ + for(int j = 0; j < res_x; j++) std::cout << P[i][j] << " "; + std::cout << std::endl; + } + + return 0; +} diff --git a/src/Persistence_representations/example/persistence_weighted_gaussian.cpp b/src/Persistence_representations/example/persistence_weighted_gaussian.cpp index dea5dab6..234f6323 100644 --- a/src/Persistence_representations/example/persistence_weighted_gaussian.cpp +++ b/src/Persistence_representations/example/persistence_weighted_gaussian.cpp @@ -48,11 +48,11 @@ int main(int argc, char** argv) { double tau = 1; int m = 10000; - PWG PWG1(persistence1, sigma, m, PWG::arctan_weight); - PWG PWG2(persistence2, sigma, m, PWG::arctan_weight); + PWG PWG1(persistence1, sigma, m, PWG::arctan_weight(1,1)); + PWG PWG2(persistence2, sigma, m, PWG::arctan_weight(1,1)); - PWG PWGex1(persistence1, sigma, -1, PWG::arctan_weight); - PWG PWGex2(persistence2, sigma, -1, PWG::arctan_weight); + PWG PWGex1(persistence1, sigma, -1, PWG::arctan_weight(1,1)); + PWG PWGex2(persistence2, sigma, -1, PWG::arctan_weight(1,1)); // Linear PWG |