134 lines
4.2 KiB
Plaintext
134 lines
4.2 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_TILED_FEATURE_MODEL_LAYER
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#define OSGEARTH_TILED_FEATURE_MODEL_LAYER 1
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#include <osgEarth/Common>
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#include <osgEarth/FeatureSource>
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#include <osgEarth/GeometryCompiler>
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#include <osgEarth/FeatureModelSource>
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#include <osgEarth/Session>
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#include <osgEarth/Style>
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#include <osgEarth/Layer>
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#include <osgEarth/LayerReference>
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#include <osgEarth/TiledModelLayer>
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namespace osgEarth {
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class Map;
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}
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namespace osgEarth
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{
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class FeatureNodeFactory;
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/**
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* Layer that creates a tiled scene graph from feature data and symbology.
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*/
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class OSGEARTH_EXPORT TiledFeatureModelLayer : public TiledModelLayer
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{
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public: // serialization
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class OSGEARTH_EXPORT Options : public TiledModelLayer::Options,
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public FeatureModelOptions,
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public GeometryCompilerOptions
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{
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public:
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// constructors
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Options();
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Options(const ConfigOptions& options);
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OE_OPTION_LAYER(FeatureSource, features);
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Config getConfig() const override;
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protected: // LayerOptions
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void mergeConfig(const Config& conf) override;
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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, TiledFeatureModelLayer, Options, TiledModelLayer, TiledFeatureModel);
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//! The feature source from which to read geometry.
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void setFeatureSource(FeatureSource* layer);
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FeatureSource* getFeatureSource() const;
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//! Stylesheet to apply to the features
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void setStyleSheet(StyleSheet* value);
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StyleSheet* getStyleSheet() const;
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//! Whether to enable GL blending
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void setAlphaBlending(const bool& value);
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const bool& getAlphaBlending() const;
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//! Whether to support lighting
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void setEnableLighting(const bool& value);
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const bool& getEnableLighting() const;
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public: // Layer
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// opens the layer and returns the status
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Status openImplementation() override;
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// closes the layer
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Status closeImplementation() override;
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//! Extent of the feature layer, if available (INVALID if not)
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const GeoExtent& getExtent() const override;
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//! Serialization
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Config getConfig() const override;
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public: // TiledModelLayer
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//! Tiling profile of this layer
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const Profile* getProfile() const override;
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//! Minimum available LOD of tiles
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unsigned getMinLevel() const override;
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//! Maximum available LOD of tiles
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unsigned getMaxLevel() const override;
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protected: // Layer
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// called by the map when this layer is added
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void addedToMap(const Map*) override;
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// called by the map when this layer is removed
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void removedFromMap(const Map*) override;
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// post-ctor initialization
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void init() override;
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protected: // TiledModelLayer
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//! Creates an OSG node from a tile key.
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osg::ref_ptr<osg::Node> createTileImplementation(const TileKey&, ProgressCallback*) const override;
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protected:
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virtual ~TiledFeatureModelLayer();
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osg::ref_ptr<class Session> _session;
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FeatureFilterChain _filters;
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osg::ref_ptr< FeatureSourceIndex > _featureIndex;
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};
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} // namespace osgEarth
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#endif // OSGEARTH_FEATURES_FEATURE_MODEL_LAYER
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