diff options
author | Gard Spreemann <gspreemann@gmail.com> | 2017-04-20 11:15:58 +0200 |
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committer | Gard Spreemann <gspreemann@gmail.com> | 2017-04-20 11:15:58 +0200 |
commit | eadd3e18b55fc3b7a7d0420015902df2d58dcea5 (patch) | |
tree | ce025060ea9045415b1f738886c8c70ed32218e8 /example/Alpha_complex | |
parent | 5638527781e1d8cd916cd28f9d375eef7b5d820b (diff) | |
parent | 8d7329f3e5ad843e553c3c5503cecc28ef2eead6 (diff) |
Merge tag 'upstream/2.0.0' into dfsg/latest
Upstream's 2.0.0 release.
Diffstat (limited to 'example/Alpha_complex')
-rw-r--r-- | example/Alpha_complex/Alpha_complex_from_off.cpp | 47 | ||||
-rw-r--r-- | example/Alpha_complex/Alpha_complex_from_points.cpp | 46 | ||||
-rw-r--r-- | example/Alpha_complex/CMakeLists.txt | 53 |
3 files changed, 79 insertions, 67 deletions
diff --git a/example/Alpha_complex/Alpha_complex_from_off.cpp b/example/Alpha_complex/Alpha_complex_from_off.cpp index 7836d59a..d411e90a 100644 --- a/example/Alpha_complex/Alpha_complex_from_off.cpp +++ b/example/Alpha_complex/Alpha_complex_from_off.cpp @@ -1,4 +1,7 @@ #include <gudhi/Alpha_complex.h> +// to construct a simplex_tree from alpha complex +#include <gudhi/Simplex_tree.h> + #include <CGAL/Epick_d.h> #include <iostream> @@ -14,14 +17,14 @@ void usage(int nbArgs, char * const progName) { int main(int argc, char **argv) { if ((argc != 3) && (argc != 4)) usage(argc, (argv[0] - 1)); - std::string off_file_name(argv[1]); - double alpha_square_max_value = atof(argv[2]); + std::string off_file_name {argv[1]}; + double alpha_square_max_value {atof(argv[2])}; // ---------------------------------------------------------------------------- // Init of an alpha complex from an OFF file // ---------------------------------------------------------------------------- - typedef CGAL::Epick_d< CGAL::Dynamic_dimension_tag > Kernel; - Gudhi::alpha_complex::Alpha_complex<Kernel> alpha_complex_from_file(off_file_name, alpha_square_max_value); + using Kernel = CGAL::Epick_d< CGAL::Dynamic_dimension_tag >; + Gudhi::alpha_complex::Alpha_complex<Kernel> alpha_complex_from_file(off_file_name); std::streambuf* streambufffer; std::ofstream ouput_file_stream; @@ -33,23 +36,27 @@ int main(int argc, char **argv) { streambufffer = std::cout.rdbuf(); } - std::ostream output_stream(streambufffer); - - // ---------------------------------------------------------------------------- - // Display information about the alpha complex - // ---------------------------------------------------------------------------- - output_stream << "Alpha complex is of dimension " << alpha_complex_from_file.dimension() << - " - " << alpha_complex_from_file.num_simplices() << " simplices - " << - alpha_complex_from_file.num_vertices() << " vertices." << std::endl; - - output_stream << "Iterator on alpha complex simplices in the filtration order, with [filtration value]:" << std::endl; - for (auto f_simplex : alpha_complex_from_file.filtration_simplex_range()) { - output_stream << " ( "; - for (auto vertex : alpha_complex_from_file.simplex_vertex_range(f_simplex)) { - output_stream << vertex << " "; + Gudhi::Simplex_tree<> simplex; + if (alpha_complex_from_file.create_complex(simplex, alpha_square_max_value)) { + std::ostream output_stream(streambufffer); + + // ---------------------------------------------------------------------------- + // Display information about the alpha complex + // ---------------------------------------------------------------------------- + output_stream << "Alpha complex is of dimension " << simplex.dimension() << + " - " << simplex.num_simplices() << " simplices - " << + simplex.num_vertices() << " vertices." << std::endl; + + output_stream << "Iterator on alpha complex simplices in the filtration order, with [filtration value]:" << + std::endl; + for (auto f_simplex : simplex.filtration_simplex_range()) { + output_stream << " ( "; + for (auto vertex : simplex.simplex_vertex_range(f_simplex)) { + output_stream << vertex << " "; + } + output_stream << ") -> " << "[" << simplex.filtration(f_simplex) << "] "; + output_stream << std::endl; } - output_stream << ") -> " << "[" << alpha_complex_from_file.filtration(f_simplex) << "] "; - output_stream << std::endl; } ouput_file_stream.close(); return 0; diff --git a/example/Alpha_complex/Alpha_complex_from_points.cpp b/example/Alpha_complex/Alpha_complex_from_points.cpp index 49f77276..c19f7cc8 100644 --- a/example/Alpha_complex/Alpha_complex_from_points.cpp +++ b/example/Alpha_complex/Alpha_complex_from_points.cpp @@ -1,14 +1,17 @@ -#include <CGAL/Epick_d.h> #include <gudhi/Alpha_complex.h> +// to construct a simplex_tree from alpha complex +#include <gudhi/Simplex_tree.h> + +#include <CGAL/Epick_d.h> #include <iostream> #include <string> #include <vector> #include <limits> // for numeric limits -typedef CGAL::Epick_d< CGAL::Dimension_tag<2> > Kernel; -typedef Kernel::Point_d Point; -typedef std::vector<Point> Vector_of_points; +using Kernel = CGAL::Epick_d< CGAL::Dimension_tag<2> >; +using Point = Kernel::Point_d; +using Vector_of_points = std::vector<Point>; void usage(int nbArgs, char * const progName) { std::cerr << "Error: Number of arguments (" << nbArgs << ") is not correct\n"; @@ -21,7 +24,7 @@ int main(int argc, char **argv) { if ((argc != 1) && (argc != 2)) usage(argc, (argv[0] - 1)); // Delaunay complex if alpha_square_max_value is not given by the user. - double alpha_square_max_value = std::numeric_limits<double>::infinity(); + double alpha_square_max_value {std::numeric_limits<double>::infinity()}; if (argc == 2) alpha_square_max_value = atof(argv[1]); @@ -40,23 +43,26 @@ int main(int argc, char **argv) { // ---------------------------------------------------------------------------- // Init of an alpha complex from the list of points // ---------------------------------------------------------------------------- - Gudhi::alpha_complex::Alpha_complex<Kernel> alpha_complex_from_points(points, alpha_square_max_value); + Gudhi::alpha_complex::Alpha_complex<Kernel> alpha_complex_from_points(points); - // ---------------------------------------------------------------------------- - // Display information about the alpha complex - // ---------------------------------------------------------------------------- - std::cout << "Alpha complex is of dimension " << alpha_complex_from_points.dimension() << - " - " << alpha_complex_from_points.num_simplices() << " simplices - " << - alpha_complex_from_points.num_vertices() << " vertices." << std::endl; - - std::cout << "Iterator on alpha complex simplices in the filtration order, with [filtration value]:" << std::endl; - for (auto f_simplex : alpha_complex_from_points.filtration_simplex_range()) { - std::cout << " ( "; - for (auto vertex : alpha_complex_from_points.simplex_vertex_range(f_simplex)) { - std::cout << vertex << " "; + Gudhi::Simplex_tree<> simplex; + if (alpha_complex_from_points.create_complex(simplex, alpha_square_max_value)) { + // ---------------------------------------------------------------------------- + // Display information about the alpha complex + // ---------------------------------------------------------------------------- + std::cout << "Alpha complex is of dimension " << simplex.dimension() << + " - " << simplex.num_simplices() << " simplices - " << + simplex.num_vertices() << " vertices." << std::endl; + + std::cout << "Iterator on alpha complex simplices in the filtration order, with [filtration value]:" << std::endl; + for (auto f_simplex : simplex.filtration_simplex_range()) { + std::cout << " ( "; + for (auto vertex : simplex.simplex_vertex_range(f_simplex)) { + std::cout << vertex << " "; + } + std::cout << ") -> " << "[" << simplex.filtration(f_simplex) << "] "; + std::cout << std::endl; } - std::cout << ") -> " << "[" << alpha_complex_from_points.filtration(f_simplex) << "] "; - std::cout << std::endl; } return 0; } diff --git a/example/Alpha_complex/CMakeLists.txt b/example/Alpha_complex/CMakeLists.txt index 71a95d61..a4853d78 100644 --- a/example/Alpha_complex/CMakeLists.txt +++ b/example/Alpha_complex/CMakeLists.txt @@ -2,32 +2,31 @@ cmake_minimum_required(VERSION 2.6) project(Alpha_complex_examples) # need CGAL 4.7 -# cmake -DCGAL_DIR=~/workspace/CGAL-4.7-Ic-41 ../../.. -if(CGAL_FOUND) - if (NOT CGAL_VERSION VERSION_LESS 4.7.0) - if (EIGEN3_FOUND) - add_executable ( alphapoints Alpha_complex_from_points.cpp ) - target_link_libraries(alphapoints ${Boost_SYSTEM_LIBRARY} ${Boost_THREAD_LIBRARY} ${CGAL_LIBRARY}) - add_executable ( alphaoffreader Alpha_complex_from_off.cpp ) - target_link_libraries(alphaoffreader ${Boost_SYSTEM_LIBRARY} ${Boost_THREAD_LIBRARY} ${CGAL_LIBRARY}) - if (TBB_FOUND) - target_link_libraries(alphapoints ${TBB_LIBRARIES}) - target_link_libraries(alphaoffreader ${TBB_LIBRARIES}) - endif() +# cmake -DCGAL_DIR=~/workspace/CGAL-4.7 .. +if (NOT CGAL_WITH_EIGEN3_VERSION VERSION_LESS 4.7.0) + add_executable ( Alpha_complex_example_from_points Alpha_complex_from_points.cpp ) + target_link_libraries(Alpha_complex_example_from_points ${Boost_SYSTEM_LIBRARY} ${Boost_THREAD_LIBRARY} ${CGAL_LIBRARY}) + add_executable ( Alpha_complex_example_from_off Alpha_complex_from_off.cpp ) + target_link_libraries(Alpha_complex_example_from_off ${Boost_SYSTEM_LIBRARY} ${Boost_THREAD_LIBRARY} ${CGAL_LIBRARY}) + if (TBB_FOUND) + target_link_libraries(Alpha_complex_example_from_points ${TBB_LIBRARIES}) + target_link_libraries(Alpha_complex_example_from_off ${TBB_LIBRARIES}) + endif() - add_test(alphapoints ${CMAKE_CURRENT_BINARY_DIR}/alphapoints) - # Do not forget to copy test files in current binary dir - file(COPY "${CMAKE_SOURCE_DIR}/data/points/alphacomplexdoc.off" DESTINATION ${CMAKE_CURRENT_BINARY_DIR}/) - add_test(alphaoffreader_doc_60 ${CMAKE_CURRENT_BINARY_DIR}/alphaoffreader alphacomplexdoc.off 60.0 ${CMAKE_CURRENT_BINARY_DIR}/alphaoffreader_result_60.txt) - add_test(alphaoffreader_doc_32 ${CMAKE_CURRENT_BINARY_DIR}/alphaoffreader alphacomplexdoc.off 32.0 ${CMAKE_CURRENT_BINARY_DIR}/alphaoffreader_result_32.txt) - if (DIFF_PATH) - # Do not forget to copy test results files in current binary dir - file(COPY "alphaoffreader_for_doc_32.txt" DESTINATION ${CMAKE_CURRENT_BINARY_DIR}/) - file(COPY "alphaoffreader_for_doc_60.txt" DESTINATION ${CMAKE_CURRENT_BINARY_DIR}/) + add_test(NAME Alpha_complex_example_from_points COMMAND $<TARGET_FILE:Alpha_complex_example_from_points>) - add_test(alphaoffreader_doc_60_diff_files ${DIFF_PATH} ${CMAKE_CURRENT_BINARY_DIR}/alphaoffreader_result_60.txt ${CMAKE_CURRENT_BINARY_DIR}/alphaoffreader_for_doc_60.txt) - add_test(alphaoffreader_doc_32_diff_files ${DIFF_PATH} ${CMAKE_CURRENT_BINARY_DIR}/alphaoffreader_result_32.txt ${CMAKE_CURRENT_BINARY_DIR}/alphaoffreader_for_doc_32.txt) - endif() - endif(EIGEN3_FOUND) - endif(NOT CGAL_VERSION VERSION_LESS 4.7.0) -endif(CGAL_FOUND) + add_test(NAME Alpha_complex_example_from_off_60 COMMAND $<TARGET_FILE:Alpha_complex_example_from_off> + "${CMAKE_SOURCE_DIR}/data/points/alphacomplexdoc.off" "60.0" "${CMAKE_CURRENT_BINARY_DIR}/alphaoffreader_result_60.txt") + add_test(NAME Alpha_complex_example_from_off_32 COMMAND $<TARGET_FILE:Alpha_complex_example_from_off> + "${CMAKE_SOURCE_DIR}/data/points/alphacomplexdoc.off" "32.0" "${CMAKE_CURRENT_BINARY_DIR}/alphaoffreader_result_32.txt") + if (DIFF_PATH) + # Do not forget to copy test results files in current binary dir + file(COPY "alphaoffreader_for_doc_32.txt" DESTINATION ${CMAKE_CURRENT_BINARY_DIR}/) + file(COPY "alphaoffreader_for_doc_60.txt" DESTINATION ${CMAKE_CURRENT_BINARY_DIR}/) + + add_test(Alpha_complex_example_from_off_60_diff_files ${DIFF_PATH} + ${CMAKE_CURRENT_BINARY_DIR}/alphaoffreader_result_60.txt ${CMAKE_CURRENT_BINARY_DIR}/alphaoffreader_for_doc_60.txt) + add_test(Alpha_complex_example_from_off_32_diff_files ${DIFF_PATH} + ${CMAKE_CURRENT_BINARY_DIR}/alphaoffreader_result_32.txt ${CMAKE_CURRENT_BINARY_DIR}/alphaoffreader_for_doc_32.txt) + endif() +endif(NOT CGAL_WITH_EIGEN3_VERSION VERSION_LESS 4.7.0) |