2013-04-01 19:05:47 +06:00
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// Copyright (C) 2007-2013 CEA/DEN, EDF R&D, OPEN CASCADE
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2012-08-09 16:03:55 +06:00
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//
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// Copyright (C) 2003-2007 OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN,
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// CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS
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//
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// This library is free software; you can redistribute it and/or
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// modify it under the terms of the GNU Lesser General Public
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// License as published by the Free Software Foundation; either
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// version 2.1 of the License.
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//
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// This library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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// Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public
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// License along with this library; if not, write to the Free Software
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// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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//
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// See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
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//
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2012-12-13 17:41:29 +06:00
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// SMESH SMESH_Octree : Octree implementation
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2012-08-09 16:03:55 +06:00
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// File : SMESH_Octree.hxx
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// Created : Tue Jan 16 16:00:00 2007
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// Author : Nicolas Geimer & Aur<75>lien Motteux (OCC)
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// Module : SMESH
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//
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#ifndef _SMESH_OCTREE_HXX_
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#define _SMESH_OCTREE_HXX_
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#include "SMESH_Utils.hxx"
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2012-12-13 17:41:29 +06:00
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#include "SMESH_Tree.hxx"
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2012-08-09 16:03:55 +06:00
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#include <Bnd_B3d.hxx>
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2012-12-13 17:41:29 +06:00
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//================================================================================
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/*!
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* \brief 3D tree of anything.
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* Methods to implement in a descendant are:
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* - Bnd_B3d* buildRootBox(); // box of the whole tree
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* - descendant* newChild() const; // a new child instance
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* - void buildChildrenData(); // Fill in data of the children
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*/
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class SMESHUtils_EXPORT SMESH_Octree : public SMESH_Tree< Bnd_B3d, 8 >
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{
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public:
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typedef SMESH_Tree< Bnd_B3d, 8> TBaseTree;
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2012-08-09 16:03:55 +06:00
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// Constructor. limit must be provided at tree root construction.
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// limit will be deleted by SMESH_Octree
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2012-12-13 17:41:29 +06:00
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SMESH_Octree (SMESH_TreeLimit* limit=0);
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2013-08-03 17:11:12 +06:00
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virtual ~SMESH_Octree() {};
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2012-08-09 16:03:55 +06:00
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// Compute the bigger dimension of my box
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double maxSize() const;
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// Return index of a child the given point is in
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2013-10-17 18:48:25 +06:00
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inline static int getChildIndex(double x, double y, double z, const gp_XYZ& boxMiddle);
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2012-08-09 16:03:55 +06:00
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2012-12-13 17:41:29 +06:00
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protected:
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2012-08-09 16:03:55 +06:00
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2012-12-13 17:41:29 +06:00
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// Allocate a bndbox according to childIndex. childIndex is zero based
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virtual Bnd_B3d* newChildBox(int childIndex) const;
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};
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//================================================================================
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/*!
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* \brief Return index of a child the given point is in
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*/
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2013-10-17 18:48:25 +06:00
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inline int SMESH_Octree::getChildIndex(double x, double y, double z, const gp_XYZ& mid)
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{
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return (x > mid.X()) + ( y > mid.Y())*2 + (z > mid.Z())*4;
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}
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#endif
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