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