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Node.h

00001 /**********************************************************************
00002  * $Id: Node.h 2556 2009-06-06 22:22:28Z strk $
00003  *
00004  * GEOS - Geometry Engine Open Source
00005  * http://geos.refractions.net
00006  *
00007  * Copyright (C) 2006 Refractions Research Inc.
00008  *
00009  * This is free software; you can redistribute and/or modify it under
00010  * the terms of the GNU Lesser General Public Licence as published
00011  * by the Free Software Foundation. 
00012  * See the COPYING file for more information.
00013  *
00014  **********************************************************************/
00015 
00016 #ifndef GEOS_IDX_BINTREE_NODE_H
00017 #define GEOS_IDX_BINTREE_NODE_H
00018 
00019 #include <geos/export.h>
00020 #include <geos/index/bintree/NodeBase.h> // for inheritance
00021 
00022 // Forward declarations
00023 namespace geos {
00024         namespace index { 
00025                 namespace bintree { 
00026                         class Interval;
00027                 }
00028         }
00029 }
00030 
00031 namespace geos {
00032 namespace index { // geos::index
00033 namespace bintree { // geos::index::bintree
00034 
00036 class GEOS_DLL Node: public NodeBase {
00037 
00038 public:
00039 
00040         static Node* createNode(Interval *itemInterval);
00041 
00042         static Node* createExpanded(Node *node,Interval *addInterval);
00043 
00044         Node(Interval *newInterval,int newLevel);
00045 
00046         ~Node();
00047 
00048         Interval* getInterval();
00049 
00050         Node* getNode(Interval *searchInterval);
00051 
00052         NodeBase* find(Interval *searchInterval);
00053 
00054         void insert(Node *node);
00055 
00056 private:
00057 
00058         Interval *interval;
00059 
00060         double centre;
00061 
00062         int level;
00063 
00064         Node* getSubnode(int index);
00065 
00066         Node* createSubnode(int index);
00067 
00068 protected:
00069 
00070         bool isSearchMatch(Interval *itemInterval);
00071 };
00072 
00073 } // namespace geos::index::bintree
00074 } // namespace geos::index
00075 } // namespace geos
00076 
00077 #endif // GEOS_IDX_BINTREE_NODE_H
00078 
00079 /**********************************************************************
00080  * $Log$
00081  * Revision 1.1  2006/03/22 16:01:33  strk
00082  * indexBintree.h header split, classes renamed to match JTS
00083  *
00084  **********************************************************************/
00085 

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