int
main(int argc, char** argv)
{
    osg::ArgumentParser arguments(&argc,argv);

    osgViewer::CompositeViewer viewer(arguments);
    viewer.setThreadingModel( osgViewer::CompositeViewer::SingleThreaded );

    // query the screen size.
    osg::GraphicsContext::ScreenIdentifier si;
    si.readDISPLAY();
    if ( si.displayNum < 0 ) si.displayNum = 0;
    osg::GraphicsContext::WindowingSystemInterface* wsi = osg::GraphicsContext::getWindowingSystemInterface();
    unsigned width, height;
    wsi->getScreenResolution( si, width, height );
    unsigned b = 50;

    osgViewer::View* mainView = new osgViewer::View();
    mainView->getCamera()->setNearFarRatio(0.00002);
    EarthManipulator* em = new EarthManipulator();
    em->getSettings()->setMinMaxPitch(-90, 0);
    mainView->setCameraManipulator( em );
    //mainView->setUpViewInWindow( 50, 50, 600, 600 );
    mainView->setUpViewInWindow( b, b, (width/2)-b*2, (height-b*4) );
    viewer.addView( mainView );

    osgViewer::View* overlayView = new osgViewer::View();
    overlayView->getCamera()->setNearFarRatio(0.00002);
    EarthManipulator* overlayEM = new EarthManipulator();
    overlayEM->getSettings()->setCameraProjection(overlayEM->PROJ_ORTHOGRAPHIC);
    overlayView->setCameraManipulator( overlayEM );
    
    //overlayView->setUpViewInWindow( 700, 50, 600, 600 );
    overlayView->setUpViewInWindow( (width/2), b, (width/2)-b*2, (height-b*4) );
    overlayView->addEventHandler(new osgGA::StateSetManipulator(overlayView->getCamera()->getOrCreateStateSet()));
    viewer.addView( overlayView );

    std::string pathfile;
    double animationSpeed = 1.0;
    if (arguments.read("-p", pathfile))
    {
        mainView->setCameraManipulator( new osgGA::AnimationPathManipulator(pathfile) );
    }

    osg::Node* node = MapNodeHelper().load( arguments, mainView );
    if ( node )
    {
        mainView->setSceneData( node );

        osg::Group* group = new osg::Group();
        group->addChild( MapNode::get(node) );
        overlayView->setSceneData( group );

        setupOverlayView( overlayView, group, MapNode::get(node) );

        return viewer.run();
    }
    else return -1;
}
void
MapNodeHelper::parse(MapNode*             mapNode,
                     osg::ArgumentParser& args,
                     osgViewer::View*     view,
                     osg::Group*          root,
                     Control*             userControl ) const
{
    if ( !root )
        root = mapNode;

    // options to use for the load
    osg::ref_ptr<osgDB::Options> dbOptions = Registry::instance()->cloneOrCreateOptions();

    // parse out custom example arguments first:
    bool useSky        = args.read("--sky");
    bool useOcean      = args.read("--ocean");
    bool useMGRS       = args.read("--mgrs");
    bool useDMS        = args.read("--dms");
    bool useDD         = args.read("--dd");
    bool useCoords     = args.read("--coords") || useMGRS || useDMS || useDD;
    bool useOrtho      = args.read("--ortho");
    bool useAutoClip   = args.read("--autoclip");
    bool useShadows    = args.read("--shadows");
    bool animateSky    = args.read("--animate-sky");
    bool showActivity  = args.read("--activity");
    bool useLogDepth   = args.read("--logdepth");
    bool useLogDepth2  = args.read("--logdepth2");
    bool kmlUI         = args.read("--kmlui");

    if (args.read("--verbose"))
        osgEarth::setNotifyLevel(osg::INFO);
    
    if (args.read("--quiet"))
        osgEarth::setNotifyLevel(osg::FATAL);

    float ambientBrightness = 0.2f;
    args.read("--ambientBrightness", ambientBrightness);

    std::string kmlFile;
    args.read( "--kml", kmlFile );

    std::string imageFolder;
    args.read( "--images", imageFolder );

    std::string imageExtensions;
    args.read("--image-extensions", imageExtensions);
    
    // animation path:
    std::string animpath;
    if ( args.read("--path", animpath) )
    {
        view->setCameraManipulator( new osgGA::AnimationPathManipulator(animpath) );
    }

    // Install a new Canvas for our UI controls, or use one that already exists.
    ControlCanvas* canvas = ControlCanvas::getOrCreate( view );

    Container* mainContainer = canvas->addControl( new VBox() );
    mainContainer->setAbsorbEvents( true );
    mainContainer->setBackColor( Color(Color::Black, 0.8) );
    mainContainer->setHorizAlign( Control::ALIGN_LEFT );
    mainContainer->setVertAlign( Control::ALIGN_BOTTOM );

    // install the user control:
    if ( userControl )
        mainContainer->addControl( userControl );

    // look for external data in the map node:
    const Config& externals = mapNode->externalConfig();

    const Config& skyConf         = externals.child("sky");
    const Config& oceanConf       = externals.child("ocean");
    const Config& annoConf        = externals.child("annotations");
    const Config& declutterConf   = externals.child("decluttering");

    // some terrain effects.
    // TODO: Most of these are likely to move into extensions.
    const Config& lodBlendingConf = externals.child("lod_blending");
    const Config& vertScaleConf   = externals.child("vertical_scale");
    const Config& contourMapConf  = externals.child("contour_map");

    // Adding a sky model:
    if ( useSky || !skyConf.empty() )
    {
        SkyOptions options(skyConf);
        if ( options.getDriver().empty() )
        {
            if ( mapNode->getMapSRS()->isGeographic() )
                options.setDriver("simple");
            else
                options.setDriver("gl");
        }

        SkyNode* sky = SkyNode::create(options, mapNode);
        if ( sky )
        {
            sky->attach( view, 0 );
            if ( mapNode->getNumParents() > 0 )
            {
                osgEarth::insertGroup(sky, mapNode->getParent(0));
            }
            else
            {
                sky->addChild( mapNode );
                root = sky;
            }
                
            Control* c = SkyControlFactory().create(sky, view);
            if ( c )
                mainContainer->addControl( c );

            if (animateSky)
            {
                sky->setUpdateCallback( new AnimateSkyUpdateCallback() );
            }

        }
    }

    // Adding an ocean model:
    if ( useOcean || !oceanConf.empty() )
    {
        OceanNode* ocean = OceanNode::create(OceanOptions(oceanConf), mapNode);
        if ( ocean )
        {
            // if there's a sky, we want to ocean under it
            osg::Group* parent = osgEarth::findTopMostNodeOfType<SkyNode>(root);
            if ( !parent ) parent = root;
            parent->addChild( ocean );

            Control* c = OceanControlFactory().create(ocean);
            if ( c )
                mainContainer->addControl(c);
        }
    }

    // Shadowing.
    if ( useShadows )
    {
        ShadowCaster* caster = new ShadowCaster();
        caster->setLight( view->getLight() );
        caster->getShadowCastingGroup()->addChild( mapNode->getModelLayerGroup() );
        if ( mapNode->getNumParents() > 0 )
        {
            insertGroup(caster, mapNode->getParent(0));
        }
        else
        {
            caster->addChild(mapNode);
            root = caster;
        }
    }

    // Loading KML from the command line:
    if ( !kmlFile.empty() )
    {
        KMLOptions kml_options;
        kml_options.declutter() = true;

        // set up a default icon for point placemarks:
        IconSymbol* defaultIcon = new IconSymbol();
        defaultIcon->url()->setLiteral(KML_PUSHPIN_URL);
        kml_options.defaultIconSymbol() = defaultIcon;

        osg::Node* kml = KML::load( URI(kmlFile), mapNode, kml_options );
        if ( kml )
        {
            if (kmlUI)
            {
                Control* c = AnnotationGraphControlFactory().create(kml, view);
                if ( c )
                {
                    c->setVertAlign( Control::ALIGN_TOP );
                    canvas->addControl( c );
                }
            }
            root->addChild( kml );
        }
        else
        {
            OE_NOTICE << "Failed to load " << kmlFile << std::endl;
        }
    }

    // Annotations in the map node externals:
    if ( !annoConf.empty() )
    {
        osg::Group* annotations = 0L;
        AnnotationRegistry::instance()->create( mapNode, annoConf, dbOptions.get(), annotations );
        if ( annotations )
        {
            root->addChild( annotations );
        }
    }

    // Configure the de-cluttering engine for labels and annotations:
    if ( !declutterConf.empty() )
    {
        Decluttering::setOptions( DeclutteringOptions(declutterConf) );
    }

    // Configure the mouse coordinate readout:
    if ( useCoords )
    { 
        LabelControl* readout = new LabelControl();
        readout->setBackColor( Color(Color::Black, 0.8) );
        readout->setHorizAlign( Control::ALIGN_RIGHT );
        readout->setVertAlign( Control::ALIGN_BOTTOM );

        Formatter* formatter = 
            useMGRS ? (Formatter*)new MGRSFormatter(MGRSFormatter::PRECISION_1M, 0L, MGRSFormatter::USE_SPACES) :
            useDMS  ? (Formatter*)new LatLongFormatter(LatLongFormatter::FORMAT_DEGREES_MINUTES_SECONDS) :
            useDD   ? (Formatter*)new LatLongFormatter(LatLongFormatter::FORMAT_DECIMAL_DEGREES) :
            0L;

        MouseCoordsTool* mcTool = new MouseCoordsTool( mapNode );
        mcTool->addCallback( new MouseCoordsLabelCallback(readout, formatter) );
        view->addEventHandler( mcTool );

        canvas->addControl( readout );
    }

    // Configure for an ortho camera:
    if ( useOrtho )
    {
        EarthManipulator* manip = dynamic_cast<EarthManipulator*>(view->getCameraManipulator());
        if ( manip )
        {
            manip->getSettings()->setCameraProjection( EarthManipulator::PROJ_ORTHOGRAPHIC );
        }
    }

    // activity monitor (debugging)
    if ( showActivity )
    {
        VBox* vbox = new VBox();
        vbox->setBackColor( Color(Color::Black, 0.8) );
        vbox->setHorizAlign( Control::ALIGN_RIGHT );
        vbox->setVertAlign( Control::ALIGN_BOTTOM );
        view->addEventHandler( new ActivityMonitorTool(vbox) );
        canvas->addControl( vbox );
    }

    // Install an auto clip plane clamper
    if ( useAutoClip )
    {
        mapNode->addCullCallback( new AutoClipPlaneCullCallback(mapNode) );
    }

    // Install logarithmic depth buffer on main camera
    if ( useLogDepth )
    {
        OE_INFO << LC << "Activating logarithmic depth buffer on main camera" << std::endl;
        osgEarth::Util::LogarithmicDepthBuffer logDepth;
        logDepth.setUseFragDepth( true );
        logDepth.install( view->getCamera() );
    }

    else if ( useLogDepth2 )
    {
        OE_INFO << LC << "Activating logarithmic depth buffer (vertex-only) on main camera" << std::endl;
        osgEarth::Util::LogarithmicDepthBuffer logDepth;
        logDepth.setUseFragDepth( false );
        logDepth.install( view->getCamera() );
    }

    // Scan for images if necessary.
    if ( !imageFolder.empty() )
    {
        std::vector<std::string> extensions;
        if ( !imageExtensions.empty() )
            StringTokenizer( imageExtensions, extensions, ",;", "", false, true );
        if ( extensions.empty() )
            extensions.push_back( "tif" );

        OE_INFO << LC << "Loading images from " << imageFolder << "..." << std::endl;
        ImageLayerVector imageLayers;
        DataScanner scanner;
        scanner.findImageLayers( imageFolder, extensions, imageLayers );

        if ( imageLayers.size() > 0 )
        {
            mapNode->getMap()->beginUpdate();
            for( ImageLayerVector::iterator i = imageLayers.begin(); i != imageLayers.end(); ++i )
            {
                mapNode->getMap()->addImageLayer( i->get() );
            }
            mapNode->getMap()->endUpdate();
        }
        OE_INFO << LC << "...found " << imageLayers.size() << " image layers." << std::endl;
    }

    // Install elevation morphing
    if ( !lodBlendingConf.empty() )
    {
        mapNode->getTerrainEngine()->addEffect( new LODBlending(lodBlendingConf) );
    }

    // Install vertical scaler
    if ( !vertScaleConf.empty() )
    {
        mapNode->getTerrainEngine()->addEffect( new VerticalScale(vertScaleConf) );
    }

    // Install a contour map effect.
    if ( !contourMapConf.empty() )
    {
        mapNode->getTerrainEngine()->addEffect( new ContourMap(contourMapConf) );
    }

    // Generic named value uniform with min/max.
    VBox* uniformBox = 0L;
    while( args.find( "--uniform" ) >= 0 )
    {
        std::string name;
        float minval, maxval;
        if ( args.read( "--uniform", name, minval, maxval ) )
        {
            if ( uniformBox == 0L )
            {
                uniformBox = new VBox();
                uniformBox->setBackColor(0,0,0,0.5);
                uniformBox->setAbsorbEvents( true );
                canvas->addControl( uniformBox );
            }
            osg::Uniform* uniform = new osg::Uniform(osg::Uniform::FLOAT, name);
            uniform->set( minval );
            root->getOrCreateStateSet()->addUniform( uniform, osg::StateAttribute::OVERRIDE );
            HBox* box = new HBox();
            box->addControl( new LabelControl(name) );
            HSliderControl* hs = box->addControl( new HSliderControl(minval, maxval, minval, new ApplyValueUniform(uniform)));
            hs->setHorizFill(true, 200);
            box->addControl( new LabelControl(hs) );
            uniformBox->addControl( box );
            OE_INFO << LC << "Installed uniform controller for " << name << std::endl;
        }
    }
    

    // Process extensions.
    for(std::vector<osg::ref_ptr<Extension> >::const_iterator eiter = mapNode->getExtensions().begin();
        eiter != mapNode->getExtensions().end();
        ++eiter)
    {
        Extension* e = eiter->get();

        // Check for a View interface:
        ExtensionInterface<osg::View>* viewIF = ExtensionInterface<osg::View>::get( e );
        if ( viewIF )
            viewIF->connect( view );

        // Check for a Control interface:
        ExtensionInterface<Control>* controlIF = ExtensionInterface<Control>::get( e );
        if ( controlIF )
            controlIF->connect( mainContainer );
    }

    root->addChild( canvas );
}
int main(int argc, char** argv)
{
    osg::ArgumentParser arguments(&argc,argv);

    if (arguments.read("--help") || argc==1)
    {
        OE_WARN << "Usage: " << argv[0] << " [earthFile] [--model modelToLoad]"
            << std::endl;
        return 0;
    }

    osgViewer::Viewer viewer(arguments);

    // install the programmable manipulator.
    EarthManipulator* manip = new EarthManipulator();
    viewer.setCameraManipulator( manip );

    // UI:
    Container* help = createHelp(&viewer);

    osg::Node* earthNode = MapNodeHelper().load( arguments, &viewer, help );
    if (!earthNode)
    {
        OE_WARN << "Unable to load earth model." << std::endl;
        return -1;
    }

    osg::Group* root = new osg::Group();
    root->addChild( earthNode );

    osgEarth::MapNode* mapNode = osgEarth::MapNode::findMapNode( earthNode );

    // user model?
    osg::ref_ptr<osg::Node> model;
    std::string modelFile;
    if (arguments.read("--model", modelFile))
        model = osgDB::readRefNodeFile(modelFile + ".osgearth_shadergen");

    osg::Group* sims = new osg::Group();
    root->addChild( sims );

    const SpatialReference* wgs84 = SpatialReference::get("wgs84");

    // Simulator for tethering:
    Simulator* sim1 = new Simulator(sims, manip, mapNode, model.get(), "Thing 1", '8');
    sim1->_start = GeoPoint(wgs84, 45.0, 55.0, 10000);
    sim1->_end = GeoPoint(wgs84, -45, -55.0, 10000);
    viewer.addEventHandler(sim1);

    Simulator* sim2 = new Simulator(sims, manip, mapNode, model.get(), "Thing 2", '9');
    sim2->_name = "Thing 2";
    sim2->_start = GeoPoint(wgs84, 45.0, 54.0, 10000);
    sim2->_end = GeoPoint(wgs84, -44.0, -54.0, 10000);
    viewer.addEventHandler(sim2);

    manip->getSettings()->getBreakTetherActions().push_back( EarthManipulator::ACTION_GOTO );    

    // Set the minimum distance to something larger than the default
    manip->getSettings()->setMinMaxDistance(10.0, manip->getSettings()->getMaxDistance());

    // Sets the maximum focal point offsets (usually for tethering)
    manip->getSettings()->setMaxOffset(5000.0, 5000.0);
    
    // Pitch limits.
    manip->getSettings()->setMinMaxPitch(-90, 90);


    viewer.setSceneData( root );

    manip->getSettings()->bindMouse(
        EarthManipulator::ACTION_EARTH_DRAG,
        osgGA::GUIEventAdapter::LEFT_MOUSE_BUTTON,
        osgGA::GUIEventAdapter::MODKEY_SHIFT );

    manip->getSettings()->bindMouseClick(
        EarthManipulator::ACTION_GOTO,
        osgGA::GUIEventAdapter::LEFT_MOUSE_BUTTON,
        osgGA::GUIEventAdapter::MODKEY_SHIFT);

    manip->getSettings()->setArcViewpointTransitions( true );    

    manip->setTetherCallback( new TetherCB() );
    
    //viewer.addEventHandler(new FlyToViewpointHandler( manip ));
    viewer.addEventHandler(new LockAzimuthHandler('u', manip));
    viewer.addEventHandler(new ToggleArcViewpointTransitionsHandler('a', manip));
    viewer.addEventHandler(new ToggleThrowingHandler('q', manip));
    viewer.addEventHandler(new ToggleCollisionHandler('k', manip));
    viewer.addEventHandler(new ToggleProjMatrix('o', manip));
    viewer.addEventHandler(new BreakTetherHandler('b', manip));
    viewer.addEventHandler(new CycleTetherMode('t', manip));
    viewer.addEventHandler(new SetPositionOffset(manip));
    viewer.addEventHandler(new ToggleLDB('L'));
    viewer.addEventHandler(new ToggleSSL(sims, ')'));
    viewer.addEventHandler(new FitViewToPoints('j', manip, mapNode->getMapSRS()));
    
    CalculateWindowCoords* calc = new CalculateWindowCoords('W', manip, sim1);
    viewer.addEventHandler(calc);
    manip->setUpdateCameraCallback(new CameraUpdater(calc));

    viewer.getCamera()->setSmallFeatureCullingPixelSize(-1.0f);

    while(!viewer.done())
    {
        viewer.frame();

        // simulate slow frame rate
        //OpenThreads::Thread::microSleep(1000*1000);
    }
    return 0;
}
void
MapNodeHelper::parse(MapNode*             mapNode,
                     osg::ArgumentParser& args,
                     osgViewer::View*     view,
                     osg::Group*          root,
                     Control*             userControl ) const
{
    // this is a dubious move.
    if ( !root )
        root = mapNode;

    // options to use for the load
    osg::ref_ptr<osgDB::Options> dbOptions = Registry::instance()->cloneOrCreateOptions();

    // parse out custom example arguments first:
    bool useSky        = args.read("--sky");
    bool useOcean      = args.read("--ocean");
    bool useMGRS       = args.read("--mgrs");
    bool useDMS        = args.read("--dms");
    bool useDD         = args.read("--dd");
    bool useCoords     = args.read("--coords") || useMGRS || useDMS || useDD;
    bool useOrtho      = args.read("--ortho");
    bool useAutoClip   = args.read("--autoclip");

    float ambientBrightness = 0.2f;
    args.read("--ambientBrightness", ambientBrightness);

    std::string kmlFile;
    args.read( "--kml", kmlFile );

    std::string imageFolder;
    args.read( "--images", imageFolder );

    std::string imageExtensions;
    args.read("--image-extensions", imageExtensions);

    // install a canvas for any UI controls we plan to create:
    ControlCanvas* canvas = ControlCanvas::get(view, false);

    Container* mainContainer = canvas->addControl( new VBox() );
    mainContainer->setAbsorbEvents( true );
    mainContainer->setBackColor( Color(Color::Black, 0.8) );
    mainContainer->setHorizAlign( Control::ALIGN_LEFT );
    mainContainer->setVertAlign( Control::ALIGN_BOTTOM );

    // install the user control:
    if ( userControl )
        mainContainer->addControl( userControl );

    // look for external data in the map node:
    const Config& externals = mapNode->externalConfig();

    const Config& skyConf         = externals.child("sky");
    const Config& oceanConf       = externals.child("ocean");
    const Config& annoConf        = externals.child("annotations");
    const Config& declutterConf   = externals.child("decluttering");
    Config        viewpointsConf  = externals.child("viewpoints");

    // some terrain effects.
    const Config& normalMapConf   = externals.child("normal_map");
    const Config& detailTexConf   = externals.child("detail_texture");
    const Config& lodBlendingConf = externals.child("lod_blending");
    const Config& vertScaleConf   = externals.child("vertical_scale");
    const Config& contourMapConf  = externals.child("contour_map");

    // backwards-compatibility: read viewpoints at the top level:
    const ConfigSet& old_viewpoints = externals.children("viewpoint");
    for( ConfigSet::const_iterator i = old_viewpoints.begin(); i != old_viewpoints.end(); ++i )
        viewpointsConf.add( *i );

    // Loading a viewpoint list from the earth file:
    if ( !viewpointsConf.empty() )
    {
        std::vector<Viewpoint> viewpoints;

        const ConfigSet& children = viewpointsConf.children();
        if ( children.size() > 0 )
        {
            for( ConfigSet::const_iterator i = children.begin(); i != children.end(); ++i )
            {
                viewpoints.push_back( Viewpoint(*i) );
            }
        }

        if ( viewpoints.size() > 0 )
        {
            Control* c = ViewpointControlFactory().create(viewpoints, view);
            if ( c )
                mainContainer->addControl( c );
        }
    }

    // Adding a sky model:
    if ( useSky || !skyConf.empty() )
    {
        double hours = skyConf.value( "hours", 12.0 );
        SkyNode* sky = new SkyNode( mapNode->getMap() );
        sky->setAmbientBrightness( ambientBrightness );
        sky->setDateTime( DateTime(2011, 3, 6, hours) );
        sky->attach( view );
        root->addChild( sky );
        Control* c = SkyControlFactory().create(sky, view);
        if ( c )
            mainContainer->addControl( c );
    }

    // Adding an ocean model:
    if ( useOcean || !oceanConf.empty() )
    {
        OceanSurfaceNode* ocean = new OceanSurfaceNode( mapNode, oceanConf );
        if ( ocean )
        {
            root->addChild( ocean );
            Control* c = OceanControlFactory().create(ocean, view);
            if ( c )
                mainContainer->addControl(c);
        }
    }

    // Loading KML from the command line:
    if ( !kmlFile.empty() )
    {
        KMLOptions kml_options;
        kml_options.declutter() = true;

        // set up a default icon for point placemarks:
        IconSymbol* defaultIcon = new IconSymbol();
        defaultIcon->url()->setLiteral(KML_PUSHPIN_URL);
        kml_options.defaultIconSymbol() = defaultIcon;

        osg::Node* kml = KML::load( URI(kmlFile), mapNode, kml_options );
        if ( kml )
        {
            Control* c = AnnotationGraphControlFactory().create(kml, view);
            if ( c )
            {
                c->setVertAlign( Control::ALIGN_TOP );
                canvas->addControl( c );
            }
            root->addChild( kml );
        }
    }

    // Annotations in the map node externals:
    if ( !annoConf.empty() )
    {
        osg::Group* annotations = 0L;
        AnnotationRegistry::instance()->create( mapNode, annoConf, dbOptions.get(), annotations );
        if ( annotations )
        {
            root->addChild( annotations );
        }
    }

    // Configure the de-cluttering engine for labels and annotations:
    if ( !declutterConf.empty() )
    {
        Decluttering::setOptions( DeclutteringOptions(declutterConf) );
    }

    // Configure the mouse coordinate readout:
    if ( useCoords )
    { 
        LabelControl* readout = new LabelControl();
        readout->setBackColor( Color(Color::Black, 0.8) );
        readout->setHorizAlign( Control::ALIGN_RIGHT );
        readout->setVertAlign( Control::ALIGN_BOTTOM );

        Formatter* formatter = 
            useMGRS ? (Formatter*)new MGRSFormatter(MGRSFormatter::PRECISION_1M, 0L, MGRSFormatter::USE_SPACES) :
            useDMS  ? (Formatter*)new LatLongFormatter(LatLongFormatter::FORMAT_DEGREES_MINUTES_SECONDS) :
            useDD   ? (Formatter*)new LatLongFormatter(LatLongFormatter::FORMAT_DECIMAL_DEGREES) :
            0L;

        MouseCoordsTool* mcTool = new MouseCoordsTool( mapNode );
        mcTool->addCallback( new MouseCoordsLabelCallback(readout, formatter) );
        view->addEventHandler( mcTool );

        canvas->addControl( readout );
    }

    // Configure for an ortho camera:
    if ( useOrtho )
    {
        EarthManipulator* manip = dynamic_cast<EarthManipulator*>(view->getCameraManipulator());
        if ( manip )
        {
            manip->getSettings()->setCameraProjection( EarthManipulator::PROJ_ORTHOGRAPHIC );
        }
    }

    // Install an auto clip plane clamper
    if ( useAutoClip )
    {
        mapNode->addCullCallback( new AutoClipPlaneCullCallback(mapNode) );
    }

    // Scan for images if necessary.
    if ( !imageFolder.empty() )
    {
        std::vector<std::string> extensions;
        if ( !imageExtensions.empty() )
            StringTokenizer( imageExtensions, extensions, ",;", "", false, true );
        if ( extensions.empty() )
            extensions.push_back( "tif" );

        OE_INFO << LC << "Loading images from " << imageFolder << "..." << std::endl;
        ImageLayerVector imageLayers;
        DataScanner scanner;
        scanner.findImageLayers( imageFolder, extensions, imageLayers );

        if ( imageLayers.size() > 0 )
        {
            mapNode->getMap()->beginUpdate();
            for( ImageLayerVector::iterator i = imageLayers.begin(); i != imageLayers.end(); ++i )
            {
                mapNode->getMap()->addImageLayer( i->get() );
            }
            mapNode->getMap()->endUpdate();
        }
        OE_INFO << LC << "...found " << imageLayers.size() << " image layers." << std::endl;
    }

    // Install a normal map layer.
    if ( !normalMapConf.empty() )
    {
        osg::ref_ptr<NormalMap> effect = new NormalMap(normalMapConf, mapNode->getMap());
        if ( effect->getNormalMapLayer() )
        {
            mapNode->getTerrainEngine()->addEffect( effect.get() );
        }
    }

    // Install a detail texturer
    if ( !detailTexConf.empty() )
    {
        osg::ref_ptr<DetailTexture> effect = new DetailTexture(detailTexConf);
        if ( effect->getImage() )
        {
            mapNode->getTerrainEngine()->addEffect( effect.get() );
        }
    }

    // Install elevation morphing
    if ( !lodBlendingConf.empty() )
    {
        mapNode->getTerrainEngine()->addEffect( new LODBlending(lodBlendingConf) );
    }

    // Install vertical scaler
    if ( !vertScaleConf.empty() )
    {
        mapNode->getTerrainEngine()->addEffect( new VerticalScale(vertScaleConf) );
    }

    // Install a contour map effect.
    if ( !contourMapConf.empty() )
    {
        mapNode->getTerrainEngine()->addEffect( new ContourMap(contourMapConf) );
    }

    // Generic named value uniform with min/max.
    VBox* uniformBox = 0L;
    while( args.find( "--uniform" ) >= 0 )
    {
        std::string name;
        float minval, maxval;
        if ( args.read( "--uniform", name, minval, maxval ) )
        {
            if ( uniformBox == 0L )
            {
                uniformBox = new VBox();
                uniformBox->setBackColor(0,0,0,0.5);
                uniformBox->setAbsorbEvents( true );
                canvas->addControl( uniformBox );
            }
            osg::Uniform* uniform = new osg::Uniform(osg::Uniform::FLOAT, name);
            uniform->set( minval );
            root->getOrCreateStateSet()->addUniform( uniform, osg::StateAttribute::OVERRIDE );
            HBox* box = new HBox();
            box->addControl( new LabelControl(name) );
            HSliderControl* hs = box->addControl( new HSliderControl(minval, maxval, minval, new ApplyValueUniform(uniform)));
            hs->setHorizFill(true, 200);
            box->addControl( new LabelControl(hs) );
            uniformBox->addControl( box );
            OE_INFO << LC << "Installed uniform controller for " << name << std::endl;
        }
    }

    root->addChild( canvas );
}
Exemple #5
0
int main(int argc, char** argv)
{
    osg::ArgumentParser arguments(&argc,argv);

    if (arguments.read("--help") || argc==1)
    {
        OE_WARN << "Usage: " << argv[0] << " [earthFile] [--model modelToLoad]"
            << std::endl;
        return 0;
    }

    osgViewer::Viewer viewer(arguments);

    // install the programmable manipulator.
    EarthManipulator* manip = new EarthManipulator();
    viewer.setCameraManipulator( manip );

    // UI:
    Control* help = createHelp(&viewer);

    osg::Node* earthNode = MapNodeHelper().load( arguments, &viewer, help );
    if (!earthNode)
    {
        OE_WARN << "Unable to load earth model." << std::endl;
        return -1;
    }

    osg::Group* root = new osg::Group();
    root->addChild( earthNode );

    osgEarth::MapNode* mapNode = osgEarth::MapNode::findMapNode( earthNode );
    if ( mapNode )
    {
        if ( mapNode )
            manip->setNode( mapNode->getTerrainEngine() );

        if ( mapNode->getMap()->isGeocentric() )
        {
            manip->setHomeViewpoint( 
                Viewpoint( osg::Vec3d( -90, 0, 0 ), 0.0, -90.0, 5e7 ) );
        }
    }

    // user model?
    osg::Node* model = 0L;
    std::string modelFile;
    if (arguments.read("--model", modelFile))
        model = osgDB::readNodeFile(modelFile);

    // Simulator for tethering:
    viewer.addEventHandler( new Simulator(root, manip, mapNode, model) );
    manip->getSettings()->getBreakTetherActions().push_back( EarthManipulator::ACTION_PAN );
    manip->getSettings()->getBreakTetherActions().push_back( EarthManipulator::ACTION_GOTO );    


    viewer.setSceneData( root );

    manip->getSettings()->bindMouse(
        EarthManipulator::ACTION_EARTH_DRAG,
        osgGA::GUIEventAdapter::LEFT_MOUSE_BUTTON,
        osgGA::GUIEventAdapter::MODKEY_SHIFT );

    manip->getSettings()->setArcViewpointTransitions( true );    
    
    viewer.addEventHandler(new FlyToViewpointHandler( manip ));
    viewer.addEventHandler(new LockAzimuthHandler('u', manip));
    viewer.addEventHandler(new ToggleProjectionHandler('c', manip));
    viewer.addEventHandler(new ToggleArcViewpointTransitionsHandler('a', manip));
    viewer.addEventHandler(new ToggleThrowingHandler('z', manip));

    while(!viewer.done())
    {
        viewer.frame();

        // simulate slow frame rate
        //OpenThreads::Thread::microSleep(1000*1000);
    }
    return 0;
}
Exemple #6
0
int main(int argc, char** argv)
{
    osg::ArgumentParser arguments(&argc,argv);       
    osg::DisplaySettings::instance()->setMinimumNumStencilBits( 8 );

    // install the programmable manipulator.
    EarthManipulator* manip = new EarthManipulator();

    osg::Node* earthNode = osgDB::readNodeFiles( arguments );
    if (!earthNode)
    {
        OE_WARN << "Unable to load earth model." << std::endl;
        return -1;
    }

    osgViewer::Viewer viewer(arguments);

    osg::Group* root = new osg::Group();
    root->addChild( earthNode );
    root->addChild( createHelp(&viewer) );

    osgEarth::MapNode* mapNode = osgEarth::MapNode::findMapNode( earthNode );
    if ( mapNode )
    {
        if ( mapNode )
            manip->setNode( mapNode->getTerrainEngine() );

        if ( mapNode->getMap()->isGeocentric() )
        {
            manip->setHomeViewpoint( 
                Viewpoint( osg::Vec3d( -90, 0, 0 ), 0.0, -90.0, 5e7 ) );

            // add a handler that will automatically calculate good clipping planes
            viewer.addEventHandler( new AutoClipPlaneHandler() );
        }
    }

    viewer.setSceneData( root );
    viewer.setCameraManipulator( manip );

    manip->getSettings()->bindMouse(
        EarthManipulator::ACTION_EARTH_DRAG,
        osgGA::GUIEventAdapter::LEFT_MOUSE_BUTTON,
        osgGA::GUIEventAdapter::MODKEY_SHIFT );

    manip->getSettings()->setArcViewpointTransitions( true );
    
    viewer.addEventHandler(new FlyToViewpointHandler( manip ));
    viewer.addEventHandler(new LockAzimuthHandler('u', manip));


    // add some stock OSG handlers:
    viewer.addEventHandler(new osgViewer::StatsHandler());
    viewer.addEventHandler(new osgViewer::WindowSizeHandler());
    viewer.addEventHandler(new osgViewer::ThreadingHandler());
    viewer.addEventHandler(new osgViewer::LODScaleHandler());
    viewer.addEventHandler(new osgGA::StateSetManipulator(viewer.getCamera()->getOrCreateStateSet()));
    viewer.addEventHandler(new osgViewer::HelpHandler(arguments.getApplicationUsage()));
    //viewer.addEventHandler(new osgViewer::RecordCameraPathHandler());

    return viewer.run();
}
Exemple #7
0
void
MapNodeHelper::parse(MapNode*             mapNode,
                     osg::ArgumentParser& args,
                     osgViewer::View*     view,
                     osg::Group*          root,
                     Control*             userControl ) const
{
    // this is a dubious move.
    if ( !root )
        root = mapNode;

    // options to use for the load
    osg::ref_ptr<osgDB::Options> dbOptions = Registry::instance()->cloneOrCreateOptions();

    // parse out custom example arguments first:

    bool useSky        = args.read("--sky");
    bool useOcean      = args.read("--ocean");
    bool useMGRS       = args.read("--mgrs");
    bool useDMS        = args.read("--dms");
    bool useDD         = args.read("--dd");
    bool useCoords     = args.read("--coords") || useMGRS || useDMS || useDD;
    bool useOrtho      = args.read("--ortho");
    bool useAutoClip   = args.read("--autoclip");

    float ambientBrightness = 0.4f;
    args.read("--ambientBrightness", ambientBrightness);

    std::string kmlFile;
    args.read( "--kml", kmlFile );

    // install a canvas for any UI controls we plan to create:
    ControlCanvas* canvas = ControlCanvas::get(view, false);

    Container* mainContainer = canvas->addControl( new VBox() );
    mainContainer->setBackColor( Color(Color::Black, 0.8) );
    mainContainer->setHorizAlign( Control::ALIGN_LEFT );
    mainContainer->setVertAlign( Control::ALIGN_BOTTOM );

    // install the user control:
    if ( userControl )
        mainContainer->addControl( userControl );

    // look for external data in the map node:
    const Config& externals = mapNode->externalConfig();

    const Config& skyConf         = externals.child("sky");
    const Config& oceanConf       = externals.child("ocean");
    const Config& annoConf        = externals.child("annotations");
    const Config& declutterConf   = externals.child("decluttering");
    Config        viewpointsConf  = externals.child("viewpoints");

    // backwards-compatibility: read viewpoints at the top level:
    const ConfigSet& old_viewpoints = externals.children("viewpoint");
    for( ConfigSet::const_iterator i = old_viewpoints.begin(); i != old_viewpoints.end(); ++i )
        viewpointsConf.add( *i );

    // Loading a viewpoint list from the earth file:
    if ( !viewpointsConf.empty() )
    {
        std::vector<Viewpoint> viewpoints;

        const ConfigSet& children = viewpointsConf.children();
        if ( children.size() > 0 )
        {
            for( ConfigSet::const_iterator i = children.begin(); i != children.end(); ++i )
            {
                viewpoints.push_back( Viewpoint(*i) );
            }
        }

        if ( viewpoints.size() > 0 )
        {
            Control* c = ViewpointControlFactory().create(viewpoints, view);
            if ( c )
                mainContainer->addControl( c );
        }
    }

    // Adding a sky model:
    if ( useSky || !skyConf.empty() )
    {
        double hours = skyConf.value( "hours", 12.0 );
        SkyNode* sky = new SkyNode( mapNode->getMap() );
        sky->setAmbientBrightness( ambientBrightness );
        sky->setDateTime( 2011, 3, 6, hours );
        sky->attach( view );
        root->addChild( sky );
        Control* c = SkyControlFactory().create(sky, view);
        if ( c )
            mainContainer->addControl( c );
    }

    // Adding an ocean model:
    if ( useOcean || !oceanConf.empty() )
    {
        OceanSurfaceNode* ocean = new OceanSurfaceNode( mapNode, oceanConf );
        if ( ocean )
        {
            root->addChild( ocean );
            Control* c = OceanControlFactory().create(ocean, view);
            if ( c )
                mainContainer->addControl(c);
        }
    }

    // Loading KML from the command line:
    if ( !kmlFile.empty() )
    {
        KMLOptions kml_options;
        kml_options.declutter() = true;

        // set up a default icon for point placemarks:
        IconSymbol* defaultIcon = new IconSymbol();
        defaultIcon->url()->setLiteral(KML_PUSHPIN_URL);
        kml_options.defaultIconSymbol() = defaultIcon;

        osg::Node* kml = KML::load( URI(kmlFile), mapNode, kml_options );
        if ( kml )
        {
            Control* c = AnnotationGraphControlFactory().create(kml, view);
            if ( c )
            {
                c->setVertAlign( Control::ALIGN_TOP );
                canvas->addControl( c );
            }
            root->addChild( kml );
        }
    }

    // Annotations in the map node externals:
    if ( !annoConf.empty() )
    {
        osg::Group* annotations = 0L;
        AnnotationRegistry::instance()->create( mapNode, annoConf, dbOptions.get(), annotations );
        if ( annotations )
        {
            root->addChild( annotations );
        }
    }

    // Configure the de-cluttering engine for labels and annotations:
    if ( !declutterConf.empty() )
    {
        Decluttering::setOptions( DeclutteringOptions(declutterConf) );
    }

    // Configure the mouse coordinate readout:
    if ( useCoords )
    { 
        LabelControl* readout = new LabelControl();
        readout->setBackColor( Color(Color::Black, 0.8) );
        readout->setHorizAlign( Control::ALIGN_RIGHT );
        readout->setVertAlign( Control::ALIGN_BOTTOM );

        Formatter* formatter = 
            useMGRS ? (Formatter*)new MGRSFormatter(MGRSFormatter::PRECISION_1M, 0L, MGRSFormatter::USE_SPACES) :
            useDMS  ? (Formatter*)new LatLongFormatter(LatLongFormatter::FORMAT_DEGREES_MINUTES_SECONDS) :
            useDD   ? (Formatter*)new LatLongFormatter(LatLongFormatter::FORMAT_DECIMAL_DEGREES) :
            0L;

        MouseCoordsTool* mcTool = new MouseCoordsTool( mapNode );
        mcTool->addCallback( new MouseCoordsLabelCallback(readout, formatter) );
        view->addEventHandler( mcTool );

        canvas->addControl( readout );
    }

    // Configure for an ortho camera:
    if ( useOrtho )
    {
        EarthManipulator* manip = dynamic_cast<EarthManipulator*>(view->getCameraManipulator());
        if ( manip )
        {
            manip->getSettings()->setCameraProjection( EarthManipulator::PROJ_ORTHOGRAPHIC );
        }
    }

    // Install an auto clip plane clamper
    if ( useAutoClip )
    {
#if 0
        HorizonClipNode* hcn = new HorizonClipNode( mapNode );
        if ( mapNode->getNumParents() == 1 )
        {
            osg::Group* parent = mapNode->getParent(0);
            hcn->addChild( mapNode );
            parent->replaceChild( mapNode, hcn );
        }
#else
        mapNode->addCullCallback( new AutoClipPlaneCullCallback(mapNode) );
#endif
    }

    root->addChild( canvas );
}