DYT/Tool/OpenSceneGraph-3.6.5/include/geos/index/kdtree/KdNode.h

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2024-12-24 23:49:36 +00:00
/**********************************************************************
*
* GEOS - Geometry Engine Open Source
* http://geos.osgeo.org
*
* Copyright (C) 2020 Paul Ramsey <pramsey@cleverelephant.ca>
*
* 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.
*
**********************************************************************
*
* Last port: index/kdtree/Node.java rev 1.8 (JTS-1.10)
*
**********************************************************************/
#pragma once
#include <geos/geom/Coordinate.h> // for composition
namespace geos {
namespace index { // geos::index
namespace kdtree { // geos::index::kdtree
/**
* A node of a {@link KdTree}, which represents one or more points in the same location.
*/
class GEOS_DLL KdNode {
private:
geom::Coordinate p;
void* data;
KdNode* left;
KdNode* right;
std::size_t count;
public:
KdNode(double p_x, double p_y, void* p_data);
KdNode(const geom::Coordinate& p_p, void* p_data);
double getX() { return p.x; }
double getY() { return p.y; }
const geom::Coordinate& getCoordinate() { return p; }
void* getData() { return data; }
KdNode* getLeft() { return left; }
KdNode* getRight() { return right; }
void increment() { count++; }
std::size_t getCount() { return count; }
bool isRepeated() { return count > 1; }
void setLeft(KdNode* p_left) { left = p_left; }
void setRight(KdNode* p_right) { right = p_right; }
};
} // namespace geos::index::kdtree
} // namespace geos::index
} // namespace geos