Tangential_complex/example_basic.cpp
#include <gudhi/Tangential_complex.h>
#include <gudhi/sparsify_point_set.h>
#include <CGAL/Epick_d.h>
#include <CGAL/Random.h>
#include <array>
#include <vector>
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;
int main(void) {
const int INTRINSIC_DIM = 2;
const int AMBIENT_DIM = 3;
const int NUM_POINTS = 1000;
Kernel k;
// Generate points on a 2-sphere
CGAL::Random_points_on_sphere_d<Point> generator(AMBIENT_DIM, 3.);
std::vector<Point> points;
points.reserve(NUM_POINTS);
for (int i = 0; i < NUM_POINTS; ++i)
points.push_back(*generator++);
// Compute the TC
TC tc(points, INTRINSIC_DIM, k);
tc.compute_tangential_complex();
// Export the TC into a Simplex_tree
tc.create_complex(stree);
// Display stats about inconsistencies
tc.number_of_inconsistent_simplices(true); // verbose
return 0;
}
GUDHI  Version 2.0.0  - C++ library for Topological Data Analysis (TDA) and Higher Dimensional Geometry Understanding. Generated on Wed Apr 19 2017 22:26:16 for GUDHI by doxygen 1.8.11