/usr/include/osgEarthUtil/MeasureTool 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 | /* -*-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_MEASURETOOL_H
#define OSGEARTHUTIL_MEASURETOOL_H 1
#include <osgEarthUtil/Common>
#include <osgEarth/MapNode>
#include <osgEarth/MapNodeObserver>
#include <osgEarthAnnotation/FeatureNode>
#include <osgEarthSymbology/Style>
#include <osg/Group>
#include <osgGA/GUIEventHandler>
#include <osgViewer/View>
namespace osgEarth { namespace Util
{
    using namespace osgEarth::Symbology;
    struct OSGEARTHUTIL_EXPORT MeasureToolHandler : public osgGA::GUIEventHandler, public MapNodeObserver
    {
    public:
        class MeasureToolEventHandler : public osg::Referenced
        {
        public:
            virtual void onDistanceChanged(MeasureToolHandler* sender, double distance) {}
            virtual ~MeasureToolEventHandler() { }
        };
        typedef std::list< osg::ref_ptr< MeasureToolEventHandler > > MeasureToolEventHandlerList;
        MeasureToolHandler( osg::Group* group, MapNode* mapNode );        
        virtual ~MeasureToolHandler();
        bool handle( const osgGA::GUIEventAdapter& ea, osgGA::GUIActionAdapter& aa );        
        bool getLocationAt(osgViewer::View* view, double x, double y, double &lon, double &lat);
        
        void clear();
        void addEventHandler(MeasureToolEventHandler* handler );
        void setMouseButton(int mouseButton);
        int getMouseButton() const;
        GeoInterpolation getGeoInterpolation() const;
        void setGeoInterpolation( GeoInterpolation geoInterpolation );
        void setIsPath( bool path );
        bool getIsPath() const;
        /** Sets the style of the measurment line (to something other than the default) */
        void setLineStyle( const Style& style );
        const Style& getLineStyle() const { return _feature->style().value(); }
        void setIntersectionMask( osg::Node::NodeMask intersectionMask ) { _intersectionMask = intersectionMask; }
        osg::Node::NodeMask getIntersectionMask() const { return _intersectionMask;}
        
        osgEarth::Features::Feature* getFeature() const { return _feature.get(); }
    public: // MapNodeObserver
        virtual void setMapNode( MapNode* mapNode );
        virtual MapNode* getMapNode() { return _mapNode.get(); }
    protected:
        GeoInterpolation _geoInterpolation;
        void fireDistanceChanged();
        bool _lastPointTemporary;
        bool _gotFirstLocation;
        bool _finished;
        bool _mouseDown;
        float _mouseDownX, _mouseDownY;
        int _mouseButton;
        osg::ref_ptr< osg::Group > _group;
        osg::ref_ptr< osgEarth::Annotation::FeatureNode > _featureNode;
        osg::ref_ptr< osgEarth::Features::Feature >  _feature;
        osg::ref_ptr< osgEarth::Annotation::FeatureNode > _extentFeatureNode;
        osg::ref_ptr< osgEarth::Features::Feature >       _extentFeature;
        MeasureToolEventHandlerList _eventHandlers;
        bool _isPath;        
        osg::observer_ptr< MapNode > _mapNode;
        osg::Node::NodeMask _intersectionMask;
        void rebuild();
    };
}}
#endif
 |