diff options
author | vrouvrea <vrouvrea@636b058d-ea47-450e-bf9e-a15bfbe3eedb> | 2015-08-17 10:04:23 +0000 |
---|---|---|
committer | vrouvrea <vrouvrea@636b058d-ea47-450e-bf9e-a15bfbe3eedb> | 2015-08-17 10:04:23 +0000 |
commit | 9d0238eb065cd1a6b25ec2916d7a1a3cc52adcd6 (patch) | |
tree | 5cab7471757381ac4ebb1a86c4b5e9ab03df65ba /src/Alpha_complex/example/Alpha_complex_from_points.cpp | |
parent | f572657e071e25e6fddea4950096e7eefc72072e (diff) |
Alpha complex fix for only inserting when alpha is less than
git-svn-id: svn+ssh://scm.gforge.inria.fr/svnroot/gudhi/branches/alphashapes@736 636b058d-ea47-450e-bf9e-a15bfbe3eedb
Former-commit-id: 0bc6560fa08b72d823681d36c49e80f0437d99f1
Diffstat (limited to 'src/Alpha_complex/example/Alpha_complex_from_points.cpp')
-rw-r--r-- | src/Alpha_complex/example/Alpha_complex_from_points.cpp | 51 |
1 files changed, 18 insertions, 33 deletions
diff --git a/src/Alpha_complex/example/Alpha_complex_from_points.cpp b/src/Alpha_complex/example/Alpha_complex_from_points.cpp index 33680a40..b160d702 100644 --- a/src/Alpha_complex/example/Alpha_complex_from_points.cpp +++ b/src/Alpha_complex/example/Alpha_complex_from_points.cpp @@ -1,55 +1,40 @@ -// to construct a Delaunay_triangulation from a OFF file -#include "gudhi/Delaunay_triangulation_off_io.h" -#include "gudhi/Alpha_complex.h" - +#include <stdio.h> +#include <stdlib.h> #include <CGAL/Delaunay_triangulation.h> #include <CGAL/Epick_d.h> -#include <stdio.h> -#include <stdlib.h> #include <string> +#include <vector> + +// to construct a Delaunay_triangulation from a OFF file +#include "gudhi/Delaunay_triangulation_off_io.h" +#include "gudhi/Alpha_complex.h" typedef CGAL::Epick_d< CGAL::Dynamic_dimension_tag > Kernel; typedef Kernel::Point_d Point; typedef std::vector<Point> Vector_of_points; int main(int argc, char **argv) { - // ---------------------------------------------------------------------------- // Init of a list of points // ---------------------------------------------------------------------------- Vector_of_points points; - std::vector<double> coords; - - coords.clear(); - coords.push_back(0.0); - coords.push_back(0.0); - coords.push_back(0.0); - coords.push_back(1.0); + + std::vector<double> coords = { 0.0, 0.0, 0.0, 1.0 }; points.push_back(Point(coords.begin(), coords.end())); - coords.clear(); - coords.push_back(0.0); - coords.push_back(0.0); - coords.push_back(1.0); - coords.push_back(0.0); + coords = { 0.0, 0.0, 1.0, 0.0 }; points.push_back(Point(coords.begin(), coords.end())); - coords.clear(); - coords.push_back(0.0); - coords.push_back(1.0); - coords.push_back(0.0); - coords.push_back(0.0); + coords = { 0.0, 1.0, 0.0, 0.0 }; points.push_back(Point(coords.begin(), coords.end())); - coords.clear(); - coords.push_back(1.0); - coords.push_back(0.0); - coords.push_back(0.0); - coords.push_back(0.0); + coords = { 1.0, 0.0, 0.0, 0.0 }; points.push_back(Point(coords.begin(), coords.end())); - + // ---------------------------------------------------------------------------- // Init of an alpha complex from the list of points // ---------------------------------------------------------------------------- - Gudhi::alphacomplex::Alpha_complex<Kernel> alpha_complex_from_points(3, points.size(), points.begin(), points.end()); + double max_alpha_square_value = 1e10; + Gudhi::alphacomplex::Alpha_complex<Kernel> alpha_complex_from_points(3, points.size(), points.begin(), points.end(), + max_alpha_square_value); // ---------------------------------------------------------------------------- // Display information about the alpha complex @@ -57,7 +42,7 @@ int main(int argc, char **argv) { 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 << " ( "; @@ -68,4 +53,4 @@ int main(int argc, char **argv) { std::cout << std::endl; } return 0; -}
\ No newline at end of file +} |