/usr/include/osgEarthFeatures/VirtualFeatureSource is in libosgearth-dev 2.5.0+dfsg-2+b2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 | /* -*-c++-*- */
/* osgEarth - Dynamic map generation toolkit for OpenSceneGraph
* Copyright 2008-2013 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 OSGEARTH_FEATURES_VIRTUAL_FEATURE_SOURCE
#define OSGEARTH_FEATURES_VIRTUAL_FEATURE_SOURCE
#include <osgEarthUtil/Common>
#include <osgEarthFeatures/FeatureSource>
#include <osgEarth/Layer>
#include <vector>
namespace osgEarth { namespace Features
{
using namespace osgEarth;
using namespace osgEarth::Features;
using namespace osgEarth::Symbology;
/**
* Predicate that tells the multiplexer whether to accept or reject a
* feature for a given renderer.
*/
struct OSGEARTHFEATURES_EXPORT FeaturePredicate : public osg::Referenced
{
virtual bool acceptFeature( Feature* f ) const =0;
virtual ~FeaturePredicate() { }
};
// internal class
struct FeatureSourceMapping
{
FeatureSourceMapping(FeatureSource* fs, FeaturePredicate* fp) : _source(fs), _predicate(fp) { }
osg::ref_ptr<FeatureSource> _source;
osg::ref_ptr<FeaturePredicate> _predicate;
};
typedef std::vector<FeatureSourceMapping> FeatureSourceMappingVector;
class OSGEARTHFEATURES_EXPORT VirtualFeatureSource : public FeatureSource
{
public:
/** Construct a new virtual feature source */
VirtualFeatureSource() { }
virtual ~VirtualFeatureSource() { }
/**
* Adds a feature source/predicate mapping. This FeatureSource will draw
* from "source" and filter based on the predicate.
*/
void add( FeatureSource* source, FeaturePredicate* predicate );
public: // FeatureSource
virtual FeatureCursor* createFeatureCursor( const Query& query );
virtual void initialize( const osgDB::Options* options );
virtual const FeatureProfile* createFeatureProfile();
virtual const FeatureSchema& getSchema() const;
virtual Feature* getFeature( FeatureID id ) { return 0L; }
protected:
FeatureSourceMappingVector _sources;
};
} } // namespace osgEarth::Features
#endif // OSGEARTH_FEATURES_VIRTUAL_FEATURE_SOURCE
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