/usr/include/geos/operation/valid/QuadtreeNestedRingTester.h is in libgeos-dev 3.2.2-3ubuntu1.
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* $Id: QuadtreeNestedRingTester.h 2572 2009-06-08 22:10:55Z strk $
*
* GEOS - Geometry Engine Open Source
* http://geos.refractions.net
*
* Copyright (C) 2005-2006 Refractions Research Inc.
* Copyright (C) 2001-2002 Vivid Solutions 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.
*
**********************************************************************
*
* Last port: operation/valid/QuadtreeNestedRingTester.java rev. 1.12 (JTS-1.10)
*
**********************************************************************/
#ifndef GEOS_OP_QUADTREENESTEDRINGTESTER_H
#define GEOS_OP_QUADTREENESTEDRINGTESTER_H
#include <geos/export.h>
#include <geos/geom/Envelope.h> // for composition
#include <vector>
// Forward declarations
namespace geos {
namespace geom {
class LinearRing;
class Coordinate;
}
namespace index {
namespace quadtree {
class Quadtree;
}
}
namespace geomgraph {
class GeometryGraph;
}
}
namespace geos {
namespace operation { // geos::operation
namespace valid { // geos::operation::valid
/** \brief
* Tests whether any of a set of {@link LinearRing}s are
* nested inside another ring in the set, using a {@link Quadtree}
* index to speed up the comparisons.
*
*/
class GEOS_DLL QuadtreeNestedRingTester {
public:
/// Caller retains ownership of GeometryGraph
QuadtreeNestedRingTester(geomgraph::GeometryGraph* newGraph);
~QuadtreeNestedRingTester();
/*
* Be aware that the returned Coordinate (if != NULL)
* will point to storage owned by one of the LinearRing
* previously added. If you destroy them, this
* will point to an invalid memory address.
*/
geom::Coordinate* getNestedPoint();
void add(const geom::LinearRing* ring);
bool isNonNested();
private:
geomgraph::GeometryGraph* graph; // used to find non-node vertices
std::vector<const geom::LinearRing*> rings;
geom::Envelope totalEnv;
index::quadtree::Quadtree* qt;
geom::Coordinate* nestedPt;
void buildQuadtree();
};
} // namespace geos::operation::valid
} // namespace geos::operation
} // namespace geos
#endif // GEOS_OP_QUADTREENESTEDRINGTESTER_H
/**********************************************************************
* $Log$
* Revision 1.2 2006/03/29 11:48:53 strk
* Removed useless heap allocations in construction, enforced const correctness
*
* Revision 1.1 2006/03/20 16:57:44 strk
* spatialindex.h and opValid.h headers split
*
**********************************************************************/
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