bintree/Key.h
/**********************************************************************
*
* 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>
// Forward declarations
namespace geos {
namespace index {
namespace bintree {
class Interval;
}
}
}
namespace geos {
namespace index { // geos::index
namespace bintree { // geos::index::bintree
class GEOS_DLL Key {
public:
static int computeLevel(Interval* newInterval);
Key(Interval* newInterval);
~Key();
double getPoint();
int getLevel();
Interval* getInterval();
void computeKey(Interval* itemInterval);
private:
// the fields which make up the key
double pt;
int level;
// auxiliary data which is derived from the key for use in computation
Interval* interval;
void computeInterval(int level, Interval* itemInterval);
};
} // namespace geos::index::bintree
} // namespace geos::index
} // namespace geos
geos::index::bintree::Interval
Represents an (1-dimensional) closed interval on the Real number line.
Definition bintree/Interval.h:24
geos::index::bintree
Contains classes that implement a Binary Interval Tree index.
Definition Bintree.h:28
geos::index
Provides classes for various kinds of spatial indexes.
Definition CleanCoverage.h:39
geos
Basic namespace for all GEOS functionalities.
Definition geos.h:38