diff options
author | salinasd <salinasd@636b058d-ea47-450e-bf9e-a15bfbe3eedb> | 2015-01-30 13:03:25 +0000 |
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committer | salinasd <salinasd@636b058d-ea47-450e-bf9e-a15bfbe3eedb> | 2015-01-30 13:03:25 +0000 |
commit | fa6598d26033b44f3c65f3bbbdc9f09713488be7 (patch) | |
tree | 2d608a613a2d9a5d264800916805545afb058272 /src/Skeleton_blocker/example | |
parent | 9e4b5532c0cf675de75b493f805d998e3e8f1fff (diff) |
skbl add an example
git-svn-id: svn+ssh://scm.gforge.inria.fr/svnroot/gudhi/trunk@450 636b058d-ea47-450e-bf9e-a15bfbe3eedb
Former-commit-id: 1a0efe7084ccff068823a4ab33bd3ec8522349ed
Diffstat (limited to 'src/Skeleton_blocker/example')
-rw-r--r-- | src/Skeleton_blocker/example/CMakeLists.txt | 5 | ||||
-rw-r--r-- | src/Skeleton_blocker/example/Skeleton_blocker_from_simplices.cpp | 83 |
2 files changed, 86 insertions, 2 deletions
diff --git a/src/Skeleton_blocker/example/CMakeLists.txt b/src/Skeleton_blocker/example/CMakeLists.txt index c8e976cd..d9eab4e1 100644 --- a/src/Skeleton_blocker/example/CMakeLists.txt +++ b/src/Skeleton_blocker/example/CMakeLists.txt @@ -1,7 +1,8 @@ cmake_minimum_required(VERSION 2.6) project(GUDHIskbl) + +add_executable(SkeletonBlockerFromSimplices Skeleton_blocker_from_simplices.cpp) + add_executable(SkeletonBlockerIteration Skeleton_blocker_iteration.cpp) target_link_libraries(SkeletonBlockerIteration ${Boost_TIMER_LIBRARY} ${Boost_SYSTEM_LIBRARY}) - -add_test(SkeletonBlockerIteration ${CMAKE_CURRENT_BINARY_DIR}/SkeletonBlockerIteration) diff --git a/src/Skeleton_blocker/example/Skeleton_blocker_from_simplices.cpp b/src/Skeleton_blocker/example/Skeleton_blocker_from_simplices.cpp new file mode 100644 index 00000000..db3a759c --- /dev/null +++ b/src/Skeleton_blocker/example/Skeleton_blocker_from_simplices.cpp @@ -0,0 +1,83 @@ + /* 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): David Salinas + * + * Copyright (C) 2014 INRIA Sophia Antipolis-Mediterranee (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 <stdio.h> +#include <stdlib.h> +#include <string> +#include <fstream> +#include <sstream> + + +#include "gudhi/Skeleton_blocker.h" + +using namespace std; +using namespace Gudhi; +using namespace skbl; + +typedef Skeleton_blocker_complex<Skeleton_blocker_simple_traits> Complex; +typedef Complex::Vertex_handle Vertex_handle; +typedef Complex::Simplex_handle Simplex_handle; +typedef Complex::Simplex_handle Simplex; + +int main (int argc, char *argv[]){ + std::vector<Simplex_handle> simplices; + + //add 4 triangles of a tetrahedron 0123 + simplices.push_back(Simplex_handle(Vertex_handle(0),Vertex_handle(1),Vertex_handle(2))); + simplices.push_back(Simplex_handle(Vertex_handle(1),Vertex_handle(2),Vertex_handle(3))); + simplices.push_back(Simplex_handle(Vertex_handle(3),Vertex_handle(0),Vertex_handle(2))); + simplices.push_back(Simplex_handle(Vertex_handle(3),Vertex_handle(0),Vertex_handle(1))); + + Complex complex; + //get complex from top faces + make_complex_from_top_faces(complex,simplices.begin(),simplices.end()); + + std::cout << "Simplices:"<<std::endl; + for(const Simplex & s : complex.simplex_range()) + std::cout << s << " "; + std::cout << std::endl; + + //One blocker as simplex 0123 is not in the complex but all its proper faces are. + std::cout << "Blockers: "<<complex.blockers_to_string()<<std::endl; + + //now build a complex from its full list of simplices + simplices.clear(); + simplices.push_back(Simplex_handle(Vertex_handle(0))); + simplices.push_back(Simplex_handle(Vertex_handle(1))); + simplices.push_back(Simplex_handle(Vertex_handle(2))); + simplices.push_back(Simplex_handle(Vertex_handle(0),Vertex_handle(1))); + simplices.push_back(Simplex_handle(Vertex_handle(1),Vertex_handle(2))); + simplices.push_back(Simplex_handle(Vertex_handle(2),Vertex_handle(0))); + complex = Complex(simplices.begin(),simplices.end()); + + std::cout << "Simplices:"<<std::endl; + for(const Simplex & s : complex.simplex_range()) + std::cout << s << " "; + std::cout << std::endl; + + //One blocker as simplex 012 is not in the complex but all its proper faces are. + std::cout << "Blockers: "<<complex.blockers_to_string()<<std::endl; + + return EXIT_SUCCESS; +} + |