124 lines
3.9 KiB
Plaintext
124 lines
3.9 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 OSGEARTHUTIL_MGRS_GRATICLE
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#define OSGEARTHUTIL_MGRS_GRATICLE
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#include <osgEarth/Common>
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#include <osgEarth/VisibleLayer>
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#include <osgEarth/StyleSheet>
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#include <osgEarth/Feature>
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#include <osgEarth/LayerReference>
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#include <osg/ClipPlane>
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namespace osgEarth { namespace Util
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{
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/**
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* Implements a MGRS (Military Grid Reference System) map graticule.
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*
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* NOTE: So far, this only works for geocentric maps.
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* TODO: Add projected support; add text label support
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*/
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class OSGEARTH_EXPORT MGRSGraticule : public VisibleLayer
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{
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public: // internal 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(URI, sqidData);
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OE_OPTION(bool, useDefaultStyles);
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OE_OPTION_LAYER(StyleSheet, styleSheet);
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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, MGRSGraticule, Options, VisibleLayer, MGRSGraticule);
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//! Location of the SQID feature data
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//! This is a prebuilt binary file that you should distribute
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//! with the application - typically names "mgrs_sqid.bin"
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void setSQIDDataURL(const URI& value);
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const URI& getSQIDDataURL() const;
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//! Styles for each display level. Each level should be names in the
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//! following manner:
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//! The top-level grid zone designator is called "gzd".
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//! Each consecutive level is a power of 10, starting with "100000"
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//! (for the SQID 100km grid) and going down from there (10000, 1000, etc.
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//! down to level 1).
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//! You can set only certain levels if you wish in order to override
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//! the defaults.
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void setStyleSheet(StyleSheet* value);
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StyleSheet* getStyleSheet() const;
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//! Whether to apply default styles when you do not expressly
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//! set them for all levels. Defaults to true.
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void setUseDefaultStyles(const bool& value);
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const bool& getUseDefaultStyles() const;
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//! If you change any of the options, call this to refresh the display
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//! to refelct the new settings.
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void dirty();
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public: // Layer
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virtual Status openImplementation();
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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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virtual Config getConfig() const;
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protected:
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/** dtor */
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virtual ~MGRSGraticule() { }
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private:
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void setUpDefaultStyles();
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void rebuild();
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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::Group> _root;
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osg::observer_ptr<const Map> _map;
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void loadGZDFeatures(const SpatialReference* srs, FeatureList& output) const;
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typedef std::map<std::string, osg::ref_ptr<osgText::Text> > TextObjects;
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TextObjects _textObjects;
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};
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} }
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#endif // OSGEARTHUTIL_UTM_GRATICLE
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