smesh/src/SMESH/SMESH_OctreeNode.hxx

131 lines
4.8 KiB
C++

// SMESH SMESH_OctreeNode : Octree with Nodes set
// inherites global class SMESH_Octree
//
// 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_OctreeNode.hxx
// Created : Tue Jan 16 16:00:00 2007
// Author : Nicolas Geimer & Aurélien Motteux (OCC)
// Module : SMESH
#ifndef _SMESH_OCTREENODE_HXX_
#define _SMESH_OCTREENODE_HXX_
#include "SMESH_Octree.hxx"
#include <list>
#include <set>
#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;
class SMESH_OctreeNode : public SMESH_Octree{
public:
// Constructor
SMESH_OctreeNode (const std::set<const SMDS_MeshNode*>& theNodes, const int maxLevel = -1,
const int maxNbNodes = 5 , const double minBoxSize = 0.);
//=============================
/*!
* \brief Empty destructor
*/
//=============================
virtual ~SMESH_OctreeNode () {};
// Tells us if SMESH_OctreeNode is a leaf or not (-1 = not initialiazed)
virtual const bool isLeaf();
// Tells us if Node is inside the current box with the precision "precision"
virtual const bool isInside(const SMDS_MeshNode * Node, 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 theGroupsOfNodes a list of group of nodes close to each other within theTolerance
// Search for all the nodes in nodes
void FindCoincidentNodes ( std::set<const SMDS_MeshNode*>* 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 ( std::set<const SMDS_MeshNode*> nodes,
std::list< std::list< const SMDS_MeshNode*> >* theGroupsOfNodes,
const double theTolerance = 0.00001, const int maxLevel = -1,
const int maxNbNodes = 5);
/*!
* \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 myNbNodes; }
protected:
//=============================
/*!
* \brief Empty constructor
*/
//=============================
SMESH_OctreeNode (){};
// Shares the father's data with each of his child
virtual void buildChildrenData();
// Compute the bounding box of the whole set of nodes myNodes (only used for OctreeNode level 0)
void computeBoxForFather();
// Construct an empty SMESH_OctreeNode used by SMESH_Octree::buildChildren()
virtual SMESH_Octree* allocateOctreeChild();
// Return in result a list of nodes closed to Node and remove it from SetOfNodes
void FindCoincidentNodes( const SMDS_MeshNode * Node,
std::set<const SMDS_MeshNode*>* 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)
std::set<const SMDS_MeshNode*> myNodes;
// The number of nodes I have inside the box
int myNbNodes;
};
#endif