--- /dev/null
+// Copyright (C) 2007-2014 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, or (at your option) any later version.
+//
+// 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
+//
+
+// HYDRO HYDROData_Octree : Octree implementation (from SMESH module)
+// File : HYDROData_Octree.hxx
+// Created : Tue Jan 16 16:00:00 2007
+// Author : Nicolas Geimer & Aurélien Motteux (OCC)
+// Module : HYDROData
+//
+#ifndef _HYDROData_OCTREE_HXX_
+#define _HYDROData_OCTREE_HXX_
+
+#include <Standard.hxx>
+#include <Standard_Macro.hxx>
+
+#include "HYDROData_Tree.hxx"
+#include <Bnd_B3d.hxx>
+
+//================================================================================
+
+/*!
+ * \brief 3D tree of anything.
+ * Methods to implement in a descendant are:
+ * - Bnd_B3d* buildRootBox(); // box of the whole tree
+ * - descendant* newChild() const; // a new child instance
+ * - void buildChildrenData(); // Fill in data of the children
+ */
+class Standard_EXPORT HYDROData_Octree: public HYDROData_Tree<Bnd_B3d, 8>
+{
+public:
+ typedef HYDROData_Tree<Bnd_B3d, 8> TBaseTree;
+
+ //! Constructor. limit must be provided at tree root construction.
+ //! limit will be deleted by HYDROData_Octree
+ HYDROData_Octree(HYDROData_TreeLimit* limit = 0);
+ virtual ~HYDROData_Octree() {};
+
+ //! Compute the biggest dimension of my box
+ double maxSize() const;
+
+ //! Return index of a child the given point is in
+ inline static int getChildIndex(double x, double y, double z, const gp_XYZ& boxMiddle)
+ {
+ return (x > boxMiddle.X()) + (y > boxMiddle.Y()) * 2 + (z > boxMiddle.Z()) * 4;
+ };
+
+protected:
+
+ //! Allocate a bndbox according to childIndex. childIndex is zero based
+ virtual Bnd_B3d* newChildBox(int childIndex) const;
+};
+
+#endif
