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diff --git a/src/Skeleton_blocker/include/gudhi/Skeleton_blocker/Skeleton_blocker_off_io.h b/src/Skeleton_blocker/include/gudhi/Skeleton_blocker/Skeleton_blocker_off_io.h
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+++ b/src/Skeleton_blocker/include/gudhi/Skeleton_blocker/Skeleton_blocker_off_io.h
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+/*
+ * Skeleton_blocker_off_io.h
+ *  Created on: Nov 28, 2014
+ * 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 Sophia Antipolis-Méditerranée (France)
+ *
+ *    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/>.
+ * 
+ */
+
+
+#ifndef SKELETON_BLOCKER_OFF_IO_H_
+#define SKELETON_BLOCKER_OFF_IO_H_
+
+#include "gudhi/Off_reader.h"
+
+namespace Gudhi {
+
+namespace skbl {
+
+template<typename Complex>
+class Skeleton_blocker_off_visitor_reader{
+	Complex& complex_;
+	typedef typename Complex::Vertex_handle Vertex_handle;
+	typedef typename Complex::Point Point;
+
+	const bool load_only_points_;
+
+public:
+	Skeleton_blocker_off_visitor_reader(Complex& complex,bool load_only_points = false):
+		complex_(complex),
+		load_only_points_(load_only_points){}
+
+
+	void init(int dim,int num_vertices,int num_faces,int num_edges){
+		//todo do an assert to check that this number are correctly read
+		//todo reserve size for vector points
+	}
+
+
+	void point(const std::vector<double>& point){
+		complex_.add_vertex(point);
+	}
+
+	void maximal_face(const std::vector<int>& face){
+		if (!load_only_points_){
+			for(size_t i = 0 ; i < face.size();++i)
+				for(size_t j = i+1 ; j < face.size();++j){
+					complex_.add_edge(Vertex_handle(face[i]),Vertex_handle(face[j]));
+				}
+			}
+	}
+
+	void done(){
+	}
+};
+
+template<typename Complex>
+class Skeleton_blocker_off_reader{
+public:
+	/**
+	 * name_file : file to read
+	 * read_complex : complex that will receive the file content
+	 * read_only_points : specify true if only the points must be read
+	 */
+	Skeleton_blocker_off_reader(const std::string & name_file,Complex& read_complex,bool read_only_points = false):valid_(false){
+		std::ifstream stream(name_file);
+		if(stream.is_open()){
+			Skeleton_blocker_off_visitor_reader<Complex> off_visitor(read_complex,read_only_points);
+			Off_reader off_reader(stream);
+			valid_ = off_reader.read(off_visitor);
+		}
+	}
+
+	/**
+	 * return true iff reading did not meet problems.
+	 */
+	bool is_valid() const{
+		return valid_;
+	}
+
+private:
+	bool valid_;
+};
+
+}  // namespace skbl
+
+
+}  // namespace Gudhi
+
+
+#endif /* SKELETON_BLOCKER_OFF_IO_H_ */