--- /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 SMESH_OctreeNode : Octree with Nodes set
+// inherites global class SMESH_Octree
+// File : SMESH_OctreeNode.hxx
+// Created : Tue Jan 16 16:00:00 2007
+// Author : Nicolas Geimer & Aurelien Motteux (OCC)
+// Module : SMESH
+//
+#ifndef _SMESH_OCTREENODE_HXX_
+#define _SMESH_OCTREENODE_HXX_
+
+#include "SMESH_Utils.hxx"
+#include "SMESH_Octree.hxx"
+#include <gp_Pnt.hxx>
+#include "SMDS_MeshNode.hxx"
+
+#include <list>
+#include <set>
+#include <map>
+
+#include "SMDS_ElemIterator.hxx"
+
+//forward declaration
+class SMDS_MeshNode;
+class SMESH_OctreeNode;
+
+typedef SMDS_Iterator<SMESH_OctreeNode*> SMESH_OctreeNodeIterator;
+typedef boost::shared_ptr<SMESH_OctreeNodeIterator> SMESH_OctreeNodeIteratorPtr;
+typedef std::set< const SMDS_MeshNode*, TIDCompare > TIDSortedNodeSet;
+
+class SMESHUtils_EXPORT SMESH_OctreeNode : public SMESH_Octree {
+
+public:
+
+ // Constructor
+ SMESH_OctreeNode (const TIDSortedNodeSet& theNodes, const int maxLevel = 8,
+ const int maxNbNodes = 5, const double minBoxSize = 0.);
+
+//=============================
+/*!
+ * \brief Empty destructor
+ */
+//=============================
+ virtual ~SMESH_OctreeNode () {};
+
+ // Tells us if Node is inside the current box with the precision "precision"
+ virtual const bool isInside(const gp_XYZ& p, const double precision = 0.);
+
+ // Return in Result a list of Nodes potentials to be near Node
+ void NodesAround(const SMDS_MeshNode * Node,
+ std::list<const SMDS_MeshNode*>* Result,
+ const double precision = 0.);
+
+ // Return in dist2Nodes nodes mapped to their square distance from Node
+ bool NodesAround(const gp_XYZ& node,
+ std::map<double, const SMDS_MeshNode*>& dist2Nodes,
+ double precision);
+
+ // Return in theGroupsOfNodes a list of group of nodes close to each other within theTolerance
+ // Search for all the nodes in nodes
+ void FindCoincidentNodes ( TIDSortedNodeSet* nodes,
+ const double theTolerance,
+ std::list< std::list< const SMDS_MeshNode*> >* theGroupsOfNodes);
+
+ // Static method that return in theGroupsOfNodes a list of group of nodes close to each other within
+ // theTolerance search for all the nodes in nodes
+ static void FindCoincidentNodes ( TIDSortedNodeSet& nodes,
+ std::list< std::list< const SMDS_MeshNode*> >* theGroupsOfNodes,
+ const double theTolerance = 0.00001,
+ const int maxLevel = -1,
+ const int maxNbNodes = 5);
+ /*!
+ * \brief Update data according to node movement
+ */
+ void UpdateByMoveNode( const SMDS_MeshNode* node, const gp_Pnt& toPnt );
+ /*!
+ * \brief Return iterator over children
+ */
+ SMESH_OctreeNodeIteratorPtr GetChildrenIterator();
+ /*!
+ * \brief Return nodes iterator
+ */
+ SMDS_NodeIteratorPtr GetNodeIterator();
+ /*!
+ * \brief Return nb nodes in a tree
+ */
+ int NbNodes() const { return myNodes.size(); }
+
+protected:
+
+ SMESH_OctreeNode (int maxNbNodes );
+
+ // Compute the bounding box of the whole set of nodes myNodes
+ virtual Bnd_B3d* buildRootBox();
+
+ // Shares the father's data with each of his child
+ virtual void buildChildrenData();
+
+ // Construct an empty SMESH_OctreeNode used by SMESH_Octree::buildChildren()
+ virtual SMESH_Octree* allocateOctreeChild() const;
+
+ // Return in result a list of nodes closed to Node and remove it from SetOfNodes
+ void FindCoincidentNodes( const SMDS_MeshNode * Node,
+ TIDSortedNodeSet* SetOfNodes,
+ std::list<const SMDS_MeshNode*>* Result,
+ const double precision);
+
+ // The max number of nodes a leaf box can contain
+ int myMaxNbNodes;
+
+ // The set of nodes inside the box of the Octree (Empty if Octree is not a leaf)
+ TIDSortedNodeSet myNodes;
+
+};
+
+#endif
