/usr/include/osgEarthDrivers/feature_ogr/FeatureCursorOGR is in libosgearth-dev 2.7.0+dfsg-2+b3.
This file is owned by root:root, with mode 0o644.
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/* osgEarth - Dynamic map generation toolkit for OpenSceneGraph
* Copyright 2015 Pelican Mapping
* http://osgearth.org
*
* osgEarth is free software; you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>
*/
#ifndef OSGEARTHFEATURES_FEATURE_CURSOR_OGR
#define OSGEARTHFEATURES_FEATURE_CURSOR_OGR 1
#include <osgEarthFeatures/Feature>
#include <osgEarthFeatures/FeatureSource>
#include <osgEarthFeatures/Filter>
#include <osgEarthSymbology/Query>
#include <ogr_api.h>
#include <queue>
using namespace osgEarth;
using namespace osgEarth::Features;
class FeatureCursorOGR : public FeatureCursor
{
public:
/**
* Creates a new feature cursor that iterates over an OGR layer.
*
* @param source
* Feature source that created this cursor
* @param dsHandle
* Handle on the OGR data source to which the results layer belongs
* @param layerHandle
* Handle to the OGR layer containing the features
* @param profile
* Profile of the feature layer corresponding to the feature data
* @param query
* The the query from which this cursor was created.
*/
FeatureCursorOGR(
OGRLayerH dsHandle,
OGRLayerH layerHandle,
const FeatureSource* source,
const FeatureProfile* profile,
const Symbology::Query& query,
const FeatureFilterList& filters );
public: // FeatureCursor
bool hasMore() const;
Feature* nextFeature();
protected:
virtual ~FeatureCursorOGR();
private:
OGRDataSourceH _dsHandle;
OGRLayerH _layerHandle;
OGRLayerH _resultSetHandle;
OGRGeometryH _spatialFilter;
Symbology::Query _query;
unsigned _chunkSize;
OGRFeatureH _nextHandleToQueue;
osg::ref_ptr<const FeatureSource> _source;
osg::ref_ptr<const FeatureProfile> _profile;
std::queue< osg::ref_ptr<Feature> > _queue;
osg::ref_ptr<Feature> _lastFeatureReturned;
const FeatureFilterList& _filters;
private:
void readChunk();
};
#endif // OSGEARTHFEATURES_FEATURE_CURSOR_OGR
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