--- /dev/null
+// Copyright (C) 2007-2012 CEA/DEN, EDF R&D, OPEN CASCADE
+//
+// Copyright (C) 2003-2007 OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN,
+// CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS
+//
+// This library is free software; you can redistribute it and/or
+// modify it under the terms of the GNU Lesser General Public
+// License as published by the Free Software Foundation; either
+// version 2.1 of the License.
+//
+// This library 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
+// Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public
+// License along with this library; if not, write to the Free Software
+// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+//
+// See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
+//
+
+// SMESH_Quadtree : Quartree implementation
+// File : SMESH_Quadtree.hxx
+// Module : SMESH
+//
+#ifndef _SMESH_Quadtree_HXX_
+#define _SMESH_Quadtree_HXX_
+
+#include "SMESH_Utils.hxx"
+#include "SMESH_Tree.hxx"
+#include <Bnd_B2d.hxx>
+
+/*!
+ * \brief 2D tree of anything.
+ * Methods to implement in a descendant are:
+ * - Bnd_B2d* buildRootBox(); // box of the whole tree
+ * - descendant* newChild() const; // a new child instance
+ * - void buildChildrenData(); // Fill in data of the children
+ */
+class SMESHUtils_EXPORT SMESH_Quadtree : public SMESH_Tree< Bnd_B2d, 4 >
+{
+public:
+ typedef SMESH_Tree< Bnd_B2d, 4> TBaseTree;
+
+ // Constructor. limit must be provided at tree root construction.
+ // limit will be deleted by SMESH_Quadtree
+ SMESH_Quadtree (SMESH_TreeLimit* limit=0);
+
+ // Compute the bigger dimension of my box
+ double maxSize() const;
+
+ // Return index of a child the given point is in
+ //inline int getChildIndex(double x, double y, const gp_XY& boxMiddle)const;
+
+ protected:
+
+ // Allocate a bndbox according to childIndex. childIndex is zero based
+ virtual Bnd_B2d* newChildBox(int childIndex) const;
+};
+
+//================================================================================
+/*!
+ * \brief Return index of a child the given point is in
+ */
+//================================================================================
+
+// inline int SMESH_Quadtree::getChildIndex(double x, double y, const gp_XY& mid) const
+// {
+// return (x > mid.X()) + ( y > mid.Y())*2 + (z > mid.Z())*4;
+// }
+
+#endif
