--- /dev/null
+// SMESH SMESH_Octree : global Octree implementation
+//
+// Copyright (C) 2003 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
+//
+//
+//
+// File : SMESH_Octree.hxx
+// Created : Tue Jan 16 16:00:00 2007
+// Author : Nicolas Geimer & Aurélien Motteux (OCC)
+// Module : SMESH
+
+#ifndef _SMESH_OCTREE_HXX_
+#define _SMESH_OCTREE_HXX_
+
+#include <Bnd_B3d.hxx>
+
+class SMESH_Octree {
+
+public:
+ // Constructor
+ SMESH_Octree (const int maxLevel = -1, const double minBoxSize = 0.);
+
+ // Destructor
+ virtual ~SMESH_Octree ();
+
+ // Tell if Octree is a leaf or not (has to be implemented in inherited classes)
+ virtual const bool isLeaf() = 0;
+
+ // Compute the Octree
+ void Compute();
+
+ // Set the maximal level of the Octree
+ void setMaxLevel(const int maxLevel);
+
+ // Set the minimal size of the Box
+ void setMinBoxSize(const double minBoxSize){myMinBoxSize = minBoxSize;};
+
+ // Set the bounding box of the Octree
+ void setBox(const Bnd_B3d* box);
+
+ // Set box to the 3d Bounding Box of the Octree
+ void getBox(Bnd_B3d* box);
+
+ // Compute the bigger dimension of the box
+ static double maxSize(const Bnd_B3d* box);
+
+protected:
+ // Constructor for children (has to be implemented in inherited classes)
+ virtual SMESH_Octree* allocateOctreeChild() = 0;
+
+ // Build the 8 children boxes
+ void buildChildren();
+
+ // Build the data in the 8 children (has to be implemented in inherited classes)
+ virtual void buildChildrenData() = 0;
+
+ // members
+
+ // Box of the Octree
+ Bnd_B3d* myBox;
+
+ // Array of 8 Octree children
+ SMESH_Octree** myChildren;
+
+ // Point the father, set to NULL for the level 0
+ SMESH_Octree* myFather;
+
+ // Level of the Octree
+ int myLevel;
+
+ // MaxLevel of the Octree
+ int myMaxLevel;
+
+ // Minimal size of the Box
+ double myMinBoxSize;
+
+ // Tell us if the Octree is a leaf or not (-1 if not initialized)
+ int myIsLeaf;
+};
+#endif
