55 lines
1.7 KiB
Plaintext
55 lines
1.7 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 OSGEARTHFEATURES_FEATURE_INDEX
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#define OSGEARTHFEATURES_FEATURE_INDEX 1
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#include <osgEarth/Common>
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#include <osgEarth/Feature>
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#include <osgEarth/ObjectIndex>
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namespace osgEarth
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{
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/**
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* Client interface for fetching features from an index given an object id.
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*/
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class OSGEARTH_EXPORT FeatureIndex : public osg::Referenced
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{
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public:
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/** Get a feature given an object id. */
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virtual Feature* getFeature(ObjectID oid) const =0;
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/** Get the object ID corresponding to a feature ID. */
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virtual ObjectID getObjectID(FeatureID fid) const =0;
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/** Number of features in the index */
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virtual int size() const =0;
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};
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/**
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* Interface for building a Feature Index.
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*/
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class OSGEARTH_EXPORT FeatureIndexBuilder : public ObjectIndexBuilder<Feature>
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{
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//empty
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};
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} // namespace osgEarth
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#endif // OSGEARTHFEATURES_FEATURE_INDEX
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