diff options
author | vrouvrea <vrouvrea@636b058d-ea47-450e-bf9e-a15bfbe3eedb> | 2016-01-12 16:07:10 +0000 |
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committer | vrouvrea <vrouvrea@636b058d-ea47-450e-bf9e-a15bfbe3eedb> | 2016-01-12 16:07:10 +0000 |
commit | 11b195d4e26d48cdc56883957cbad16e298e43ca (patch) | |
tree | 0cbe94cf64b53ed9a84050689db0811795fdba51 /src/GudhUI | |
parent | f9b5b9b3306f3f00f5bfa2724cbfa087d5161fcb (diff) |
Fix alpha complex remarks and bugs
git-svn-id: svn+ssh://scm.gforge.inria.fr/svnroot/gudhi/branches/alphashapes@957 636b058d-ea47-450e-bf9e-a15bfbe3eedb
Former-commit-id: fa837fd1a4373c2322db16353d98767907f34c79
Diffstat (limited to 'src/GudhUI')
-rw-r--r-- | src/GudhUI/alpha_complex_persistence.cpp | 78 | ||||
-rw-r--r-- | src/GudhUI/utils/Bar_code_persistence.h | 3 | ||||
-rw-r--r-- | src/GudhUI/utils/Persistence_compute.h | 15 |
3 files changed, 7 insertions, 89 deletions
diff --git a/src/GudhUI/alpha_complex_persistence.cpp b/src/GudhUI/alpha_complex_persistence.cpp deleted file mode 100644 index 4f85459a..00000000 --- a/src/GudhUI/alpha_complex_persistence.cpp +++ /dev/null @@ -1,78 +0,0 @@ -#include <iostream> -#include <string> - - -#include <QtGui/QApplication> - -// to construct a Delaunay_triangulation from a OFF file -#include <gudhi/Delaunay_triangulation_off_io.h> -#include <gudhi/Alpha_complex.h> -#include <gudhi/Persistent_cohomology.h> - -#include "utils/Bar_code_persistence.h" - -void usage(char * const progName) { - std::cerr << "Usage: " << progName << " filename.off " << // alpha_square_max_value[double] " << - "coeff_field_characteristic[integer > 0] min_persistence[double >= -1.0]" << std::endl; - std::cerr << " i.e.: " << progName << " ../../data/points/alphacomplexdoc.off 60.0 2 0.02" << std::endl; - exit(-1); // ----- >> -} - -int main(int argc, char **argv) { - if (argc != 4) { - std::cerr << "Error: Number of arguments (" << argc << ") is not correct" << std::endl; - usage(argv[0]); - } - - QApplication qtapp(argc, argv); - - std::string off_file_name(argv[1]); - // double alpha_square_max_value = atof(argv[2]); - double alpha_square_max_value = 1e20; - int coeff_field_characteristic = atoi(argv[2]); // argv[3] - double min_persistence = atof(argv[3]); // argv[4] - - // ---------------------------------------------------------------------------- - // Init of an alpha complex from an OFF file - // ---------------------------------------------------------------------------- - typedef CGAL::Epick_d< CGAL::Dynamic_dimension_tag > Kernel; - Gudhi::alphacomplex::Alpha_complex<Kernel> alpha_complex_from_file(off_file_name, alpha_square_max_value); - - // ---------------------------------------------------------------------------- - // Display information about the alpha complex - // ---------------------------------------------------------------------------- - std::cout << "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; - - // Sort the simplices in the order of the filtration - alpha_complex_from_file.initialize_filtration(); - - std::cout << "Simplex_tree dim: " << alpha_complex_from_file.dimension() << std::endl; - // Compute the persistence diagram of the complex - Gudhi::persistent_cohomology::Persistent_cohomology< Gudhi::alphacomplex::Alpha_complex<Kernel>, - Gudhi::persistent_cohomology::Field_Zp > pcoh(alpha_complex_from_file); - - std::cout << "coeff_field_characteristic " << coeff_field_characteristic << - " - min_persistence " << min_persistence << std::endl; - - // initializes the coefficient field for homology - pcoh.init_coefficients(coeff_field_characteristic); - - pcoh.compute_persistent_cohomology(min_persistence); - - pcoh.output_diagram(); - - std::vector<std::pair<double, double>> persistence_vector; - pcoh.get_persistence(persistence_vector); - - Bar_code_persistence bc_persistence; - - for (auto persistence : persistence_vector) { - bc_persistence.insert(persistence.first, persistence.second); - } - - bc_persistence.show(); - - return qtapp.exec(); -} diff --git a/src/GudhUI/utils/Bar_code_persistence.h b/src/GudhUI/utils/Bar_code_persistence.h index a1a46ea8..a4cd8156 100644 --- a/src/GudhUI/utils/Bar_code_persistence.h +++ b/src/GudhUI/utils/Bar_code_persistence.h @@ -39,7 +39,7 @@ class Bar_code_persistence { max_death = death; } - void show() { + void show(const std::string& window_title) { // Create a view, put a scene in it QGraphicsView * view = new QGraphicsView(); QGraphicsScene * scene = new QGraphicsScene(); @@ -78,6 +78,7 @@ class Bar_code_persistence { QGraphicsTextItem* dimText = scene->addText(scale_value, QFont("Helvetica", 8)); dimText->setPos(scale - (3.0 * scale_value.size()), height + 9.0 * (modulo % 2)); } + view->setWindowTitle(window_title.c_str()); // Show the view view->show(); } diff --git a/src/GudhUI/utils/Persistence_compute.h b/src/GudhUI/utils/Persistence_compute.h index 0b9961d3..1f04cc6b 100644 --- a/src/GudhUI/utils/Persistence_compute.h +++ b/src/GudhUI/utils/Persistence_compute.h @@ -46,10 +46,6 @@ struct Persistence_params { * Show persistence into output stream */ template<typename SkBlComplex> class Persistence_compute { - private: - SkBlComplex& complex_; - std::ostream& stream_; - public: typedef typename SkBlComplex::Vertex_handle Vertex_handle; typedef typename SkBlComplex::Edge_handle Edge_handle; @@ -61,9 +57,7 @@ template<typename SkBlComplex> class Persistence_compute { * double threshold * int p for coefficient Z_p */ - Persistence_compute(SkBlComplex& complex, std::ostream& stream, const Persistence_params& params) : - // double threshold = 0.5,unsigned dim_max = 8): - complex_(complex), stream_(stream) { + Persistence_compute(SkBlComplex& complex, std::ostream& stream, const Persistence_params& params) { // for now everything is copied, todo boost adapt iterators to points of SkBlComplex instead of copying to an // initial vector typedef std::vector<double> Point_t; @@ -87,10 +81,11 @@ template<typename SkBlComplex> class Persistence_compute { pcoh.init_coefficients(params.p); // put params.min_pers pcoh.compute_persistent_cohomology(params.min_pers); - stream_ << "persistence: \n"; - stream_ << "p dimension birth death: \n"; + stream << "persistence: \n"; + stream << "p dimension birth death: \n"; - pcoh.output_diagram(stream_); + pcoh.output_diagram(stream); + } }; |