50 lines
1.4 KiB
C
50 lines
1.4 KiB
C
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/**********************************************************************
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*
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* GEOS - Geometry Engine Open Source
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* http://geos.osgeo.org
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*
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* Copyright (C) 2006 Refractions Research Inc.
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*
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* This is free software; you can redistribute and/or modify it under
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* the terms of the GNU Lesser General Public Licence as published
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* by the Free Software Foundation.
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* See the COPYING file for more information.
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*
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**********************************************************************/
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#pragma once
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#include <geos/export.h>
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namespace geos {
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namespace index { // geos::index
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namespace strtree { // geos::index::strtree
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/// A spatial object in an AbstractSTRtree.
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class GEOS_DLL Boundable {
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public:
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/**
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* Returns a representation of space that encloses this Boundable,
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* preferably not much bigger than this Boundable's boundary yet
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* fast to test for intersection with the bounds of other Boundables.
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*
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* The class of object returned depends
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* on the subclass of AbstractSTRtree.
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*
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* @return an Envelope (for STRtrees), an Interval (for SIRtrees),
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* or other object (for other subclasses of AbstractSTRtree)
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*
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* @see AbstractSTRtree::IntersectsOp
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*/
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virtual const void* getBounds() const = 0;
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virtual bool isLeaf() const = 0;
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virtual ~Boundable() {}
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};
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} // namespace geos::index::strtree
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} // namespace geos::index
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} // namespace geos
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