This file is indexed.

/usr/include/osgEarthUtil/UTMGraticule is in libosgearth-dev 2.4.0+dfsg-6.

This file is owned by root:root, with mode 0o644.

The actual contents of the file can be viewed below.

  1
  2
  3
  4
  5
  6
  7
  8
  9
 10
 11
 12
 13
 14
 15
 16
 17
 18
 19
 20
 21
 22
 23
 24
 25
 26
 27
 28
 29
 30
 31
 32
 33
 34
 35
 36
 37
 38
 39
 40
 41
 42
 43
 44
 45
 46
 47
 48
 49
 50
 51
 52
 53
 54
 55
 56
 57
 58
 59
 60
 61
 62
 63
 64
 65
 66
 67
 68
 69
 70
 71
 72
 73
 74
 75
 76
 77
 78
 79
 80
 81
 82
 83
 84
 85
 86
 87
 88
 89
 90
 91
 92
 93
 94
 95
 96
 97
 98
 99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
/* -*-c++-*- */
/* osgEarth - Dynamic map generation toolkit for OpenSceneGraph
 * Copyright 2008-2013 Pelican Mapping
 * http://osgearth.org
 *
 * osgEarth is free software; you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>
 */
#ifndef OSGEARTHUTIL_UTM_GRATICLE
#define OSGEARTHUTIL_UTM_GRATICLE

#include <osgEarthUtil/Common>
#include <osgEarth/MapNode>
#include <osgEarth/MapNodeObserver>
#include <osgEarthSymbology/Style>
#include <osgEarthFeatures/Feature>
#include <vector>

namespace osgEarth { namespace Util
{
    using namespace osgEarth;
    using namespace osgEarth::Features;
    using namespace osgEarth::Symbology;

    /**
     * Configuration options for the geodetic graticule.
     */
    class OSGEARTHUTIL_EXPORT UTMGraticuleOptions : public ConfigOptions
    {
    public:
        UTMGraticuleOptions( const Config& conf =Config() );

        /** dtor */
        virtual ~UTMGraticuleOptions() { }


    public:

        /** Default style for grid lines and text */
        optional<Style>& primaryStyle() { return _primaryStyle; }
        const optional<Style>& primaryStyle() const { return _primaryStyle; }

        /** Text scale factor (default = 1) */
        optional<float>& textScale() { return _textScale; }
        const optional<float>& textScale() const { return _textScale; }

    public:
        Config getConfig() const;

    protected:
        optional<Style>    _primaryStyle;
        optional<float>    _textScale;

        void mergeConfig( const Config& conf );
    };


    /**
     * Implements a UTM map graticule. 
     * 
     * NOTE: So far, this only works for geocentric maps.
     * TODO: Add projected support; add text label support
     */
    class OSGEARTHUTIL_EXPORT UTMGraticule : public osg::Group, public MapNodeObserver
    {
    public:

        /**
         * Constructs a new graticule for use with the specified map. The graticule
         * is created with several default levels. If you call addLevel(), the 
         * default levels are deleted.
         *
         * @param map
         *      Map with which you will use this graticule
         * @param options
         *      Optional "options" that configure the graticule. Defaults will be used
         *      if you don't specify this.
         */
        UTMGraticule( MapNode* mapNode );
        UTMGraticule( MapNode* mapNode, const UTMGraticuleOptions& options);

        /** dtor */
        virtual ~UTMGraticule() { }

        /** 
         * Applies a new set of options. The graticule will be rebuilt if necessary.
         */
        void setOptions( const UTMGraticuleOptions& options );

        /**
         * Gets the options with which the graticule was built.
         */
        const UTMGraticuleOptions& getOptions() const { return _options.value(); }

        
    public: // MapNodeObserver

        virtual void setMapNode( MapNode* mapNode );

        virtual MapNode* getMapNode() { return _mapNode.get(); }


    protected:
        osg::ref_ptr<const Profile>        _profile;
        osg::ref_ptr<const FeatureProfile> _featureProfile;

        unsigned int               _id;
        osg::observer_ptr<MapNode> _mapNode;
        osg::Group*                _root;

        optional<UTMGraticuleOptions> _options;

        typedef std::map<std::string, GeoExtent> SectorTable;
        SectorTable _gzd;

        osg::StateAttribute* _depthAttribute;

    protected:
        unsigned int getID() const { return _id; }
        void init();
        void rebuild();
        osg::Node* buildGZDTile( const std::string& name, const GeoExtent& extent );
        //osg::Node* buildPolarGZDTiles();

        virtual osg::Group* buildGZDChildren( osg::Group* node, const std::string& gzd ) {
            return node; }

    public:
        static Threading::Mutex s_graticuleMutex;
        typedef std::map<unsigned, osg::ref_ptr<UTMGraticule> > UTMGraticuleRegistry;
        static UTMGraticuleRegistry s_graticuleRegistry;
    };

} } // namespace osgEarth::Util

#endif // OSGEARTHUTIL_UTM_GRATICLE