80 lines
2.4 KiB
Plaintext
80 lines
2.4 KiB
Plaintext
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/* -*-c++-*- */
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/* osgEarth - Geospatial SDK for OpenSceneGraph
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* Copyright 2020 Pelican Mapping
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* http://osgearth.org
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*
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* osgEarth is free software; you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>
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*/
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#ifndef OSGEARTH_FEATURE_ELEVATION_LAYER
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#define OSGEARTH_FEATURE_ELEVATION_LAYER 1
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#include <osgEarth/Common>
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#include <osgEarth/FeatureSource>
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#include <osgEarth/ElevationLayer>
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#include <osgEarth/LayerReference>
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namespace osgEarth
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{
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/**
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* Elevation layer that sets elevation based on feature data
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*/
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class OSGEARTH_EXPORT FeatureElevationLayer : public ElevationLayer
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{
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public: // serialization
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class OSGEARTH_EXPORT Options : public ElevationLayer::Options {
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public:
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META_LayerOptions(osgEarth, Options, ElevationLayer::Options);
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OE_OPTION(std::string, attr);
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OE_OPTION(double, offset);
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OE_OPTION_LAYER(FeatureSource, featureSource);
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virtual Config getConfig() const;
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private:
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void fromConfig(const Config& conf);
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};
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public:
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META_Layer(osgEarth, FeatureElevationLayer, Options, ElevationLayer, FeatureElevation);
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public: // ElevationLayer
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// opens the layer and returns the status
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virtual Status openImplementation();
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virtual void init();
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virtual Config getConfig() const;
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protected: // Layer
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// called by the map when this layer is added/removed
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virtual void addedToMap(const class Map*);
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virtual void removedFromMap(const class Map*);
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virtual GeoHeightField createHeightFieldImplementation(
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const TileKey& key,
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ProgressCallback* progress) const;
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protected:
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virtual ~FeatureElevationLayer();
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GeoExtent _extent;
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bool intersects(const TileKey&) const;
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};
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} // namespace osgEarth
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#endif // OSGEARTH_FEATURE_ELEVATION_LAYER
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