86 lines
2.7 KiB
Plaintext
86 lines
2.7 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_FEATURES_IMAGE_TO_FEATURE_LAYER_H
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#define OSGEARTH_FEATURES_IMAGE_TO_FEATURE_LAYER_H 1
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#include <osgEarth/FeatureSource>
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#include <osgEarth/LayerReference>
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#include <osgEarth/ImageLayer>
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namespace osgEarth
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{
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/**
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* A FeatureSourceLayer that extracts features from raster data in
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* an image layer.
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*/
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class OSGEARTH_EXPORT ImageToFeatureSource : public FeatureSource
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{
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public: // serialization
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class OSGEARTH_EXPORT Options : public FeatureSource::Options
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{
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public:
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META_LayerOptions(osgEarth, Options, FeatureSource::Options);
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OE_OPTION_LAYER(ImageLayer, image);
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OE_OPTION(unsigned, level);
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OE_OPTION(std::string, attribute);
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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, ImageToFeatureSource, Options, FeatureSource, ImageToFeature);
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//! Image layer to use to convert raster data to features
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void setImageLayer(ImageLayer* layer);
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ImageLayer* getImageLayer() const;
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//! Level of detail at which to generation features
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void setLevel(const unsigned& level);
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const unsigned& getLevel() const;
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//! Attribute in which to store information
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void setAttribute(const std::string& value);
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const std::string& getAttribute() const;
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public: // FeatureLayer
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virtual FeatureCursor* createFeatureCursorImplementation(
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const Query& query,
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ProgressCallback* progress) const;
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public: // Layer
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virtual void init();
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virtual Status openImplementation();
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virtual void addedToMap(const Map*);
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virtual void removedFromMap(const Map*);
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virtual Config getConfig() const;
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};
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} // namespace osgEarth
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OSGEARTH_SPECIALIZE_CONFIG(osgEarth::ImageToFeatureSource::Options);
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#endif // OSGEARTH_FEATURES_IMAGE_TO_FEATURE_LAYER_H
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