DYT/Tool/OpenSceneGraph-3.6.5/include/geos/index/bintree/Node.h
2024-12-25 07:49:36 +08:00

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1.5 KiB
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/**********************************************************************
*
* GEOS - Geometry Engine Open Source
* http://geos.osgeo.org
*
* Copyright (C) 2006 Refractions Research Inc.
*
* This is free software; you can redistribute and/or modify it under
* the terms of the GNU Lesser General Public Licence as published
* by the Free Software Foundation.
* See the COPYING file for more information.
*
**********************************************************************/
#pragma once
#include <geos/export.h>
#include <geos/index/bintree/NodeBase.h> // for inheritance
// Forward declarations
namespace geos {
namespace index {
namespace bintree {
class Interval;
}
}
}
namespace geos {
namespace index { // geos::index
namespace bintree { // geos::index::bintree
/// A node of a Bintree.
class GEOS_DLL Node: public NodeBase {
public:
static Node* createNode(Interval* itemInterval);
static Node* createExpanded(Node* node, Interval* addInterval);
Node(Interval* newInterval, int newLevel);
~Node() override;
Interval* getInterval();
Node* getNode(Interval* searchInterval);
NodeBase* find(Interval* searchInterval);
void insert(Node* node);
private:
Interval* interval;
double centre;
int level;
Node* getSubnode(int index);
Node* createSubnode(int index);
protected:
bool isSearchMatch(Interval* itemInterval) override;
};
} // namespace geos::index::bintree
} // namespace geos::index
} // namespace geos