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diff --git a/trunk/src/Skeleton_blocker/example/Skeleton_blocker_link.cpp b/trunk/src/Skeleton_blocker/example/Skeleton_blocker_link.cpp
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+/* This file is part of the Gudhi Library. The Gudhi library
+ * (Geometric Understanding in Higher Dimensions) is a generic C++
+ * library for computational topology.
+ *
+ * Author(s): David Salinas
+ *
+ * Copyright (C) 2014 INRIA
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <gudhi/Skeleton_blocker.h>
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string>
+#include <fstream>
+#include <sstream>
+
+typedef Gudhi::skeleton_blocker::Skeleton_blocker_simple_traits Traits;
+typedef Gudhi::skeleton_blocker::Skeleton_blocker_complex<Traits> Complex;
+typedef Complex::Vertex_handle Vertex_handle;
+typedef Complex::Root_vertex_handle Root_vertex_handle;
+typedef Complex::Simplex Simplex;
+
+int main(int argc, char *argv[]) {
+ // build a full complex with 4 vertices and 2^4-1 simplices
+
+ // Create a complex with four vertices (0,1,2,3)
+ Complex complex;
+
+ // Add a tetrahedron to this complex
+ Simplex tetrahedron(Vertex_handle(0), Vertex_handle(1), Vertex_handle(2), Vertex_handle(3));
+ complex.add_simplex(tetrahedron);
+
+ std::cout << "complex:" << complex.to_string() << std::endl;
+
+ // build the link of vertex 1, eg a triangle {0,2,3}
+ auto link = complex.link(Vertex_handle(1));
+ std::cout << "link:" << link.to_string() << std::endl;
+
+ // Internally link is a subcomplex of 'complex' and its vertices are stored in a vector.
+ // They can be accessed via Vertex_handle(x) where x is an index of the vector.
+ // In that example, link has three vertices and thus it contains only
+ // Vertex_handle(0),Vertex_handle(1) and Vertex_handle(2) are).
+ for (int i = 0; i < 5; ++i)
+ std::cout << "link.contains_vertex(Vertex_handle(" << i << ")):" << link.contains_vertex(Vertex_handle(i)) <<
+ std::endl;
+ std::cout << std::endl;
+
+ // To access to the initial vertices eg (0,1,2,3,4), Root_vertex_handle must be used.
+ // For instance, to test if the link contains the vertex that was labeled i:
+ for (int i = 0; i < 5; ++i)
+ std::cout << "link.contains_vertex(Root_vertex_handle(" << i << ")):" <<
+ link.contains_vertex(Root_vertex_handle(i)) << std::endl;
+
+ return EXIT_SUCCESS;
+}