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diff --git a/src/Skeleton_blocker/include/gudhi/Skeleton_blocker/Skeleton_blocker_simple_geometric_traits.h b/src/Skeleton_blocker/include/gudhi/Skeleton_blocker/Skeleton_blocker_simple_geometric_traits.h
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+/*    This file is part of the Gudhi Library - https://gudhi.inria.fr/ - which is released under MIT.
+ *    See file LICENSE or go to https://gudhi.inria.fr/licensing/ for full license details.
+ *    Author(s):       David Salinas
+ *
+ *    Copyright (C) 2014 Inria
+ *
+ *    Modification(s):
+ *      - YYYY/MM Author: Description of the modification
+ */
+
+#ifndef SKELETON_BLOCKER_SKELETON_BLOCKER_SIMPLE_GEOMETRIC_TRAITS_H_
+#define SKELETON_BLOCKER_SKELETON_BLOCKER_SIMPLE_GEOMETRIC_TRAITS_H_
+
+#include <gudhi/Skeleton_blocker/Skeleton_blocker_simple_traits.h>
+
+#include <string>
+#include <sstream>
+
+namespace Gudhi {
+
+namespace skeleton_blocker {
+
+/**
+ * @extends SkeletonBlockerGeometricDS
+ * @ingroup skbl
+ * @brief Simple traits that is a model of SkeletonBlockerGeometricDS and
+ * can be passed as a template argument to Skeleton_blocker_geometric_complex
+ */
+template<typename GeometryTrait>
+struct Skeleton_blocker_simple_geometric_traits :
+public Skeleton_blocker_simple_traits {
+ public:
+  typedef GeometryTrait GT;
+  typedef typename GT::Point Point;
+  typedef typename Skeleton_blocker_simple_traits::Root_vertex_handle Root_vertex_handle;
+  typedef typename Skeleton_blocker_simple_traits::Graph_vertex Simple_vertex;
+
+  /**
+   * @brief Vertex with a point attached.
+   */
+  class Simple_geometric_vertex : public Simple_vertex {
+    template<class ComplexGeometricTraits> friend class Skeleton_blocker_geometric_complex;
+   private:
+    Point point_;
+
+    Point& point() {
+      return point_;
+    }
+
+    const Point& point() const {
+      return point_;
+    }
+  };
+
+  class Simple_geometric_edge :
+  public Skeleton_blocker_simple_traits::Graph_edge {
+    int index_;
+   public:
+    Simple_geometric_edge()
+        : Skeleton_blocker_simple_traits::Graph_edge(),
+        index_(-1) { }
+
+    /**
+     * @brief Allows to modify the index of the edge.
+     * The indices of the edge are used to store heap information
+     * in the edge contraction algorithm.
+     */
+    int& index() {
+      return index_;
+    }
+
+    int index() const {
+      return index_;
+    }
+  };
+
+  typedef Simple_geometric_vertex Graph_vertex;
+  typedef Skeleton_blocker_simple_traits::Graph_edge Graph_edge;
+};
+
+}  // namespace skeleton_blocker
+
+namespace skbl = skeleton_blocker;
+
+}  // namespace Gudhi
+
+#endif  // SKELETON_BLOCKER_SKELETON_BLOCKER_SIMPLE_GEOMETRIC_TRAITS_H_