/usr/include/osgEarth/CompositeTileSource 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 OSGEARTH_COMPOSITE_TILE_SOURCE_H
#define OSGEARTH_COMPOSITE_TILE_SOURCE_H 1
#include <osgEarth/Common>
#include <osgEarth/TileSource>
#include <osgEarth/ImageLayer>
#include <osgEarth/ElevationLayer>
namespace osgEarth
{
/**
* Use this class to configure a CompositeTileSource.
*/
class OSGEARTH_EXPORT CompositeTileSourceOptions : public TileSourceOptions
{
public:
CompositeTileSourceOptions( const TileSourceOptions& options =TileSourceOptions() );
/** dtor */
virtual ~CompositeTileSourceOptions() { }
/** Add a component described by an image layer configuration. */
void add( const ImageLayerOptions& options );
/**
* Adds a component described by an elevation layer configuration
*/
void add( const ElevationLayerOptions& options );
public:
virtual Config getConfig() const;
protected:
virtual void mergeConfig( const Config& conf );
private:
void fromConfig( const Config& conf );
struct Component {
optional<ImageLayerOptions> _imageLayerOptions;
optional<ElevationLayerOptions> _elevationLayerOptions;
osg::ref_ptr<TerrainLayer> _layer;
};
typedef std::vector<Component> ComponentVector;
ComponentVector _components;
friend class CompositeTileSource;
};
//--------------------------------------------------------------------
/**
* A "virtual" TileSource that contains one or more other TileSources and
* composites them into a single TileSource for a layer to use.
*/
class OSGEARTH_EXPORT CompositeTileSource : public TileSource
{
public:
/** Constructs a new composite tile source */
CompositeTileSource( const TileSourceOptions& options =TileSourceOptions() );
/** dtor */
virtual ~CompositeTileSource() { }
/**
* Adds a pre-existing ImageLayer to the composite layer.
* Note: You can only add tile sources BEFORE the tile source is initialized,
* i.e., before you add it to the map.
* Returns true upon success; false if the composite tile source is already
* initialized.
*/
bool add( ImageLayer* layer );
/**
* Adds a pre-existing ElevationLayer to the composite layer.
* Note: You can only add tile sources BEFORE the tile source is initialized,
* i.e., before you add it to the map.
* Returns true upon success; false if the composite tile source is already
* initialized.
*/
bool add( ElevationLayer* layer );
public: // TileSource overrides
/** Creates a new image for the given key */
virtual osg::Image* createImage(
const TileKey& key,
ProgressCallback* progress =0 );
/** Creates a heightfield for the given key */
virtual osg::HeightField* createHeightField(
const TileKey& key,
ProgressCallback* progress );
/** Whether one of the underlying tile source's is dynamic */
virtual bool isDynamic() const { return _dynamic; }
/** Initializes the tile source */
Status initialize( const osgDB::Options* dbOptions );
protected:
CompositeTileSourceOptions _options;
bool _initialized;
bool _dynamic;
osg::ref_ptr<const osgDB::Options> _dbOptions;
ElevationLayerVector _elevationLayers;
ImageLayerVector _imageLayers;
};
}
#endif // OSGEARTH_COMPOSITE_TILE_SOURCE_H
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