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

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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_FEATURE_ELEVATION_LAYER
#define OSGEARTH_FEATURE_ELEVATION_LAYER 1
#include <osgEarth/Common>
#include <osgEarth/FeatureSource>
#include <osgEarth/ElevationLayer>
#include <osgEarth/LayerReference>
namespace osgEarth
{
/**
* Elevation layer that sets elevation based on feature data
*/
class OSGEARTH_EXPORT FeatureElevationLayer : public ElevationLayer
{
public: // serialization
class OSGEARTH_EXPORT Options : public ElevationLayer::Options {
public:
META_LayerOptions(osgEarth, Options, ElevationLayer::Options);
OE_OPTION(std::string, attr);
OE_OPTION(double, offset);
OE_OPTION_LAYER(FeatureSource, featureSource);
virtual Config getConfig() const;
private:
void fromConfig(const Config& conf);
};
public:
META_Layer(osgEarth, FeatureElevationLayer, Options, ElevationLayer, FeatureElevation);
public: // ElevationLayer
// opens the layer and returns the status
virtual Status openImplementation();
virtual void init();
virtual Config getConfig() const;
protected: // Layer
// called by the map when this layer is added/removed
virtual void addedToMap(const class Map*);
virtual void removedFromMap(const class Map*);
virtual GeoHeightField createHeightFieldImplementation(
const TileKey& key,
ProgressCallback* progress) const;
protected:
virtual ~FeatureElevationLayer();
GeoExtent _extent;
bool intersects(const TileKey&) const;
};
} // namespace osgEarth
#endif // OSGEARTH_FEATURE_ELEVATION_LAYER