128 lines
3.5 KiB
C++
128 lines
3.5 KiB
C++
/* -*-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 OSGEARTHUTIL_UTM_GRATICLE
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#define OSGEARTHUTIL_UTM_GRATICLE
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#include <osgEarth/Common>
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#include <osgEarth/MapNode>
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#include <osgEarth/MapNodeObserver>
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#include <osgEarth/ModelLayer>
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#include <osgEarth/Style>
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#include <osgEarth/Feature>
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#include <osg/ClipPlane>
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#include <vector>
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namespace osgEarth { namespace Util
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{
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using namespace osgEarth;
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/**
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* UTM (Universal Transverse Mercator) map graticule.
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* This only works for geocentric maps.
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*/
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class OSGEARTH_EXPORT UTMGraticule : public VisibleLayer
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{
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public: // Serialization data
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class OSGEARTH_EXPORT Options : public VisibleLayer::Options
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{
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public:
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META_LayerOptions(osgEarth, Options, VisibleLayer::Options);
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OE_OPTION(Style, gzdStyle);
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OE_OPTION(float, textScale);
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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, UTMGraticule, Options, VisibleLayer, utm_graticule);
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//! Style for the Grid Zone Designator graphics
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void setGZDStyle(const Style& value);
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const Style& getGZDStyle() const;
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//! Text scale factor (default = 1)
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void setTextScale(const float& value);
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const float& getTextScale() const;
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//! If you change any of the options, call this to refresh the display
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//! and apply the new settings.
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void dirty();
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public: // Layer
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virtual void addedToMap(const Map* map);
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virtual void removedFromMap(const Map* map);
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virtual osg::Node* getNode() const;
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virtual void init();
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protected:
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/** dtor */
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virtual ~UTMGraticule() { }
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private:
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void setUpDefaultStyles();
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void rebuild();
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UID _uid;
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osg::ref_ptr<const Profile> _profile;
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osg::ref_ptr<FeatureProfile> _featureProfile;
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osg::ref_ptr<osg::ClipPlane> _clipPlane;
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osg::ref_ptr<osg::Group> _root;
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osg::observer_ptr<const Map> _map;
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// UTM data (used by the UTM Graticule and the MGRS Graticule).
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class UTMData
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{
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public:
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typedef std::map<std::string, GeoExtent> SectorTable;
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public:
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UTMData() { }
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void rebuild(const Profile* profile);
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osg::Group* buildGZDTile(const std::string& name, const GeoExtent& extent, const Style& style, const FeatureProfile* featureProfile, const Map* map);
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SectorTable& sectorTable() { return _gzd; }
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const SectorTable& sectorTable() const { return _gzd; }
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private:
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SectorTable _gzd;
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};
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UTMData _utmData;
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};
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} } // namespace osgEarth::Util
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#endif // OSGEARTHUTIL_UTM_GRATICLE
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