diff --git a/vcg/complex/trimesh/update/clearflags.h b/vcg/complex/trimesh/update/clearflags.h
new file mode 100644
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+++ b/vcg/complex/trimesh/update/clearflags.h
@@ -0,0 +1,71 @@
+/****************************************************************************
+* VCGLib                                                            o o     *
+* Visual and Computer Graphics Library                            o     o   *
+*                                                                _   O  _   *
+* Copyright(C) 2004                                                \/)\/    *
+* Visual Computing Lab                                            /\/|      *
+* ISTI - Italian National Research Council                           |      *
+*                                                                    \      *
+* All rights reserved.                                                      *
+*                                                                           *
+* 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 2 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 (http://www.gnu.org/licenses/gpl.txt)          *
+* for more details.                                                         *
+*                                                                           *
+****************************************************************************/
+/****************************************************************************
+  History
+
+$Log: not supported by cvs2svn $
+
+
+****************************************************************************/
+#ifndef __VCG_TRI_UPDATE_CLEAR_FLAGS
+#define __VCG_TRI_UPDATE_CLEAR_FLAGS
+
+namespace vcg {
+namespace tri {
+
+/** \addtogroup trimesh */
+/*@{*/
+
+/// Updating of Mesh Vertexes and Faces Flags.
+/// This class is used to clear the vertex and face flags of a mesh.
+template <class ComputeMeshType>
+class UpdateClearFlags
+{
+
+public:
+typedef ComputeMeshType MeshType; 
+typedef typename MeshType::VertexType     VertexType;
+typedef typename MeshType::VertexPointer  VertexPointer;
+typedef typename MeshType::VertexIterator VertexIterator;
+typedef typename MeshType::FaceType       FaceType;
+typedef typename MeshType::FacePointer    FacePointer;
+typedef typename MeshType::FaceIterator   FaceIterator;
+
+/// Rimmette a zero tutti i flags della mesh.
+static void ClearFlags()
+{
+	FaceIterator fi;
+	VertexIterator vi;
+	for(fi=face.begin(); fi!=face.end(); ++fi)
+		(*fi).Flags() = 0;
+	for(vi=vert.begin(); vi!=vert.end(); ++vi)
+		(*vi).Flags() = 0;
+}
+
+}; // end class
+
+}	// End namespace
+}	// End namespace
+
+
+#endif