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Diffstat (limited to 'src/Tangential_complex/example/example.cpp')
-rw-r--r-- | src/Tangential_complex/example/example.cpp | 85 |
1 files changed, 0 insertions, 85 deletions
diff --git a/src/Tangential_complex/example/example.cpp b/src/Tangential_complex/example/example.cpp deleted file mode 100644 index b7eb542b..00000000 --- a/src/Tangential_complex/example/example.cpp +++ /dev/null @@ -1,85 +0,0 @@ -#include <gudhi/Tangential_complex.h> -#include <gudhi/sparsify_point_set.h> - -#include <CGAL/Epick_d.h> -#include <CGAL/Random.h> - -#include <array> -#include <vector> - -namespace tc = Gudhi::tangential_complex; - - -int main(void) { - typedef CGAL::Epick_d<CGAL::Dynamic_dimension_tag> Kernel; - typedef Kernel::FT FT; - typedef Kernel::Point_d Point; - typedef Kernel::Vector_d Vector; - typedef tc::Tangential_complex<Kernel, CGAL::Dynamic_dimension_tag, CGAL::Parallel_tag> TC; - - - const int INTRINSIC_DIM = 1; - - // Generate points on a 2-sphere - std::vector<Point> points; - // [[0, 0], [1, 0], [0, 1], [1, 1]] - std::vector<double> point = {0.0, 0.0}; - points.push_back(Point(point.size(), point.begin(), point.end())); - point = {1.1, 0.0}; - points.push_back(Point(point.size(), point.begin(), point.end())); - point = {0.2, 1.3}; - points.push_back(Point(point.size(), point.begin(), point.end())); - point = {1.0, 1.0}; - points.push_back(Point(point.size(), point.begin(), point.end())); - std::cout << "points = " << points.size() << std::endl; - Kernel k; - - // Compute the TC - TC tc(points, INTRINSIC_DIM, k); - tc.compute_tangential_complex(); - TC::Num_inconsistencies num_inc = tc.number_of_inconsistent_simplices(); - std::cout << "TC vertices = " << tc.number_of_vertices() << " - simplices = " << num_inc.num_simplices << - " - inc simplices = " << num_inc.num_inconsistent_simplices << " - inc stars = " << num_inc.num_inconsistent_stars << std::endl; - - std::cout << "TC point[0] " << tc.get_point(0) << " - point[1] " << tc.get_point(1) << - " - point[2] " << tc.get_point(2) << " - point[3] " << tc.get_point(3) << std::endl; - - // Export the TC into a Simplex_tree - Gudhi::Simplex_tree<> stree; - int max_dim = tc.create_complex(stree); - stree.set_dimension(max_dim); - stree.initialize_filtration(); - - std::cout << "********************************************************************\n"; - std::cout << "* The complex contains " << stree.num_simplices() << " simplices"; - std::cout << " - dimension " << stree.dimension() << " - filtration " << stree.filtration() << "\n"; - std::cout << "* Iterator on Simplices in the filtration, with [filtration value]:\n"; - for (auto f_simplex : stree.filtration_simplex_range()) { - std::cout << " " << "[" << stree.filtration(f_simplex) << "] "; - for (auto vertex : stree.simplex_vertex_range(f_simplex)) { - std::cout << static_cast<int>(vertex) << " "; - } - std::cout << std::endl; - } - - tc.fix_inconsistencies_using_perturbation(0.01, 30.0); - - // Export the TC into a Simplex_tree - max_dim = tc.create_complex(stree); - stree.set_dimension(max_dim); - stree.initialize_filtration(); - - std::cout << "********************************************************************\n"; - std::cout << "* The complex contains " << stree.num_simplices() << " simplices"; - std::cout << " - dimension " << stree.dimension() << " - filtration " << stree.filtration() << "\n"; - std::cout << "* Iterator on Simplices in the filtration, with [filtration value]:\n"; - for (auto f_simplex : stree.filtration_simplex_range()) { - std::cout << " " << "[" << stree.filtration(f_simplex) << "] "; - for (auto vertex : stree.simplex_vertex_range(f_simplex)) { - std::cout << static_cast<int>(vertex) << " "; - } - std::cout << std::endl; - } - - return 0; -} |