/usr/include/qgis/qgsspatialindex.h is in libqgis-dev 2.4.0-1+b1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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qgsspatialindex.h - wrapper class for spatial index library
----------------------
begin : December 2006
copyright : (C) 2006 by Martin Dobias
email : wonder.sk at gmail dot com
***************************************************************************
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
***************************************************************************/
#ifndef QGSSPATIALINDEX_H
#define QGSSPATIALINDEX_H
// forward declaration
namespace SpatialIndex
{
class IStorageManager;
class ISpatialIndex;
class Region;
class Point;
namespace StorageManager
{
class IBuffer;
}
}
class QgsFeature;
class QgsRectangle;
class QgsPoint;
#include <QList>
#include <QSharedDataPointer>
#include "qgsfeature.h"
class QgsSpatialIndexData;
class CORE_EXPORT QgsSpatialIndex
{
public:
/* creation of spatial index */
/** constructor - creates R-tree */
QgsSpatialIndex();
/** copy constructor */
QgsSpatialIndex( const QgsSpatialIndex& other );
/** destructor finalizes work with spatial index */
~QgsSpatialIndex();
/** implement assignment operator */
QgsSpatialIndex& operator=( const QgsSpatialIndex& other );
/* operations */
/** add feature to index */
bool insertFeature( const QgsFeature& f );
/** remove feature from index */
bool deleteFeature( const QgsFeature& f );
/* queries */
/** returns features that intersect the specified rectangle */
QList<QgsFeatureId> intersects( QgsRectangle rect ) const;
/** returns nearest neighbors (their count is specified by second parameter) */
QList<QgsFeatureId> nearestNeighbor( QgsPoint point, int neighbors ) const;
/* debugging */
//! get reference count - just for debugging!
int refs() const;
protected:
// @note not available in python bindings
static SpatialIndex::Region rectToRegion( QgsRectangle rect );
// @note not available in python bindings
bool featureInfo( const QgsFeature& f, SpatialIndex::Region& r, QgsFeatureId &id );
private:
QSharedDataPointer<QgsSpatialIndexData> d;
};
#endif
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