83 lines
2.4 KiB
Plaintext
83 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 OSGEARTHSYMBOLOGY_QUERY_H
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#define OSGEARTHSYMBOLOGY_QUERY_H 1
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#include <osgEarth/Common>
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#include <osgEarth/GeoData>
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#include <osgEarth/TileKey>
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#include <osgEarth/Units>
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namespace osgEarth
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{
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/**
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* A query filter that you can use to limit a set of symbology to process.
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*/
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class OSGEARTH_EXPORT Query
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{
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public:
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//! Default constructor
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Query() = default;
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//! Copy constructor
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Query(const Query& rhs) = default;
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//! Construct from a serialized representation
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Query(const Config& conf);
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//! Construct from a tile key
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Query(const TileKey& key);
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static Query ALL;
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public: // properties
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//! geospatial extent bounding this query when not using a tile key
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OE_OPTION(Bounds, bounds);
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//! Driver-specific query expression
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OE_OPTION(std::string, expression);
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//! Driver-specific orderby expression
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OE_OPTION(std::string, orderby);
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//! Sets tilekey to use for tiled feature sources
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OE_OPTION(TileKey, tileKey);
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//! Optional buffer to use with a tile key
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OE_OPTION(Distance, buffer);
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//! Maximum number of features to be returned by this Query
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OE_OPTION(int, limit);
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/** Merges this query with another query, and returns the result */
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Query combineWith( const Query& other ) const;
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public: // configurable
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virtual Config getConfig() const;
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void mergeConfig( const Config& conf );
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};
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} // namespace osgEarth
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OSGEARTH_SPECIALIZE_CONFIG(osgEarth::Query);
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#endif // OSGEARTHSYMBOLOGY_QUERY_H
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