DYT/Tool/OpenSceneGraph-3.6.5/include/osgEarth/TileSourceElevationLayer

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2024-12-24 23:49:36 +00:00
/* -*-c++-*- */
/* osgEarth - Geospatial SDK for OpenSceneGraph
* Copyright 2020 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_LEGACY_TILE_SOURCE_ELEVATION_LAYER_H
#define OSGEARTH_LEGACY_TILE_SOURCE_ELEVATION_LAYER_H 1
#include <osgEarth/ElevationLayer>
#include <osgEarth/TileSource>
namespace osgEarth { namespace Contrib
{
using namespace osgEarth;
/**
* A map terrain layer containing elevation grid heightfields.
* @deprecated For legacy application support only
*/
class OSGEARTH_EXPORT TileSourceElevationLayer : public ElevationLayer
{
public:
class OSGEARTH_EXPORT Options : public ElevationLayer::Options {
public:
META_LayerOptions(osgEarth, Options, ElevationLayer::Options);
OE_OPTION(TileSourceOptions, driver);
virtual Config getConfig() const;
private:
void fromConfig( const Config& conf );
};
public:
META_Layer(osgEarth, TileSourceElevationLayer, Options, ElevationLayer, elevation);
protected: // Layer
virtual void init();
protected: // ElevationLayer
//! Open the layer for reading.
virtual Status openImplementation();
virtual GeoHeightField createHeightFieldImplementation(
const TileKey& key,
ProgressCallback* progress) const;
virtual ~TileSourceElevationLayer() { }
private:
osg::ref_ptr<TileSource> _tileSource;
TileSource::HeightFieldOperation* getOrCreatePreCacheOp() const;
mutable osg::ref_ptr<TileSource::HeightFieldOperation> _preCacheOp;
};
} } // namespace osgEarth
OSGEARTH_SPECIALIZE_CONFIG(osgEarth::Contrib::TileSourceElevationLayer::Options);
#endif // OSGEARTH_LEGACY_TILE_SOURCE_ELEVATION_LAYER_H