Exemple #1
0
int
main(int argc, char** argv)
{
    osg::ArgumentParser arguments(&argc,argv);
    osgViewer::Viewer viewer(arguments);

    // load the .earth file from the command line.
    osg::Node* earthNode = osgDB::readNodeFiles( arguments );
    if (!earthNode)
    {
        OE_NOTICE << "Unable to load earth model" << std::endl;
        return 1;
    }

    osg::Group* root = new osg::Group();

    osgEarth::MapNode * mapNode = osgEarth::MapNode::findMapNode( earthNode );
    if (!mapNode)
    {
        OE_NOTICE << "Could not find MapNode " << std::endl;
        return 1;
    }

    osgEarth::Util::EarthManipulator* manip = new EarthManipulator();    
    viewer.setCameraManipulator( manip );
    
    root->addChild( earthNode );    
    viewer.getCamera()->addCullCallback( new AutoClipPlaneCullCallback(mapNode));

    //Create a point to point LineOfSightNode.
    LinearLineOfSightNode* los = new LinearLineOfSightNode( mapNode, osg::Vec3d(-121.665, 46.0878, 1258.00), osg::Vec3d(-121.488, 46.2054, 3620.11));
    root->addChild( los );
    los->getOrCreateStateSet()->setMode(GL_DEPTH_TEST, osg::StateAttribute::OFF);

    
    //Create an editor for the point to point line of sight that allows you to drag the beginning and end points around.
    //This is just one way that you could manipulator the LineOfSightNode.
    LinearLineOfSightEditor* p2peditor = new LinearLineOfSightEditor( los );
    root->addChild( p2peditor );

    //Create a relative point to point LineOfSightNode.
    LinearLineOfSightNode* relativeLOS = new LinearLineOfSightNode( mapNode, osg::Vec3d(-121.2, 46.1, 10), osg::Vec3d(-121.488, 46.2054, 10));
    relativeLOS->setStartAltitudeMode( ALTMODE_RELATIVE );
    relativeLOS->setEndAltitudeMode( ALTMODE_RELATIVE );
    root->addChild( relativeLOS );
    relativeLOS->getOrCreateStateSet()->setMode(GL_DEPTH_TEST, osg::StateAttribute::OFF);

    LinearLineOfSightEditor* relEditor = new LinearLineOfSightEditor( relativeLOS );
    root->addChild( relEditor );
    
    //Create a RadialLineOfSightNode that allows you to do a 360 degree line of sight analysis.
    RadialLineOfSightNode* radial = new RadialLineOfSightNode( mapNode );
    radial->setCenter( osg::Vec3d(-121.515, 46.054, 847.604) );
    radial->setRadius( 2000 );
    radial->setNumSpokes(100);    
    radial->getOrCreateStateSet()->setMode(GL_DEPTH_TEST, osg::StateAttribute::OFF);
    root->addChild( radial );
    RadialLineOfSightEditor* radialEditor = new RadialLineOfSightEditor( radial );
    root->addChild( radialEditor );

    //Create a relative RadialLineOfSightNode that allows you to do a 360 degree line of sight analysis.
    RadialLineOfSightNode* radialRelative = new RadialLineOfSightNode( mapNode );
    radialRelative->setCenter( osg::Vec3d(-121.2, 46.054, 10) );
    radialRelative->setAltitudeMode( ALTMODE_RELATIVE );
    radialRelative->setRadius( 3000 );
    radialRelative->setNumSpokes(60);    
    radialRelative->getOrCreateStateSet()->setMode(GL_DEPTH_TEST, osg::StateAttribute::OFF);
    root->addChild( radialRelative );
    RadialLineOfSightEditor* radialRelEditor = new RadialLineOfSightEditor( radialRelative );
    root->addChild( radialRelEditor );


    //Create an editor for the radial line of sight that allows you to drag it around.


    //Load a plane model.  
    osg::ref_ptr< osg::Node >  plane = osgDB::readNodeFile("../data/cessna.osg.5,5,5.scale");

    //Create 2 moving planes
    osg::Node* plane1 = createPlane(plane, mapNode, osg::Vec3d(-121.656, 46.0935, 4133.06), 5000, 20);
    osg::Node* plane2 = createPlane(plane, mapNode, osg::Vec3d(-121.321, 46.2589, 1390.09), 3000, 5);
    root->addChild( plane1  );
    root->addChild( plane2 );

    //Create a LineOfSightNode that will use a LineOfSightTether callback to monitor
    //the two plane's positions and recompute the LOS when they move
    LinearLineOfSightNode* tetheredLOS = new LinearLineOfSightNode( mapNode);
    tetheredLOS->getOrCreateStateSet()->setMode(GL_DEPTH_TEST, osg::StateAttribute::OFF);
    root->addChild( tetheredLOS );
    tetheredLOS->setUpdateCallback( new LineOfSightTether( plane1, plane2 ) );

    //Create another plane and attach a RadialLineOfSightNode to it using the RadialLineOfSightTether
    osg::Node* plane3 = createPlane(plane, mapNode, osg::Vec3d( -121.463, 46.3548, 1348.71), 10000, 5);    
    root->addChild( plane3 );
    RadialLineOfSightNode* tetheredRadial = new RadialLineOfSightNode( mapNode );    
    tetheredRadial->getOrCreateStateSet()->setMode(GL_DEPTH_TEST, osg::StateAttribute::OFF);    
    tetheredRadial->setRadius( 5000 );

    //This RadialLineOfSightNode is going to be filled, so set some alpha values for the colors so it's partially transparent
    tetheredRadial->setFill( true );
    tetheredRadial->setGoodColor( osg::Vec4(0,1,0,0.3) );
    tetheredRadial->setBadColor( osg::Vec4(1,0,0,0.3) );
    tetheredRadial->setNumSpokes( 100 );
    root->addChild( tetheredRadial );
    tetheredRadial->setUpdateCallback( new RadialLineOfSightTether( plane3 ) );

    manip->setHomeViewpoint(Viewpoint( "Mt Rainier",        osg::Vec3d( -121.488, 46.2054, 0 ), 0.0, -50, 100000 ));

    viewer.setSceneData( root );    

    // 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()));

    return viewer.run();
}
Exemple #2
0
int
main(int argc, char** argv)
{
    osg::ArgumentParser arguments(&argc,argv);
    osgViewer::Viewer viewer(arguments);

    // load the .earth file from the command line.
    osg::Node* earthNode = osgDB::readNodeFiles( arguments );
    if (!earthNode)
    {
        OE_NOTICE << "Unable to load earth model" << std::endl;
        return 1;
    }

    osg::Group* root = new osg::Group();

    osgEarth::MapNode * mapNode = osgEarth::MapNode::findMapNode( earthNode );
    if (!mapNode)
    {
        OE_NOTICE << "Could not find MapNode " << std::endl;
        return 1;
    }

    osgEarth::Util::EarthManipulator* manip = new EarthManipulator();
    viewer.setCameraManipulator( manip );
    
    root->addChild( earthNode );    
    //viewer.getCamera()->addCullCallback( new AutoClipPlaneCullCallback(mapNode));

    osg::Group* losGroup = new osg::Group();
    losGroup->getOrCreateStateSet()->setRenderingHint(osg::StateSet::TRANSPARENT_BIN);
    losGroup->getOrCreateStateSet()->setAttributeAndModes(new osg::Depth(osg::Depth::ALWAYS, 0, 1, false));
    root->addChild(losGroup);

    // so we can speak lat/long:
    const SpatialReference* mapSRS = mapNode->getMapSRS();
    const SpatialReference* geoSRS = mapSRS->getGeographicSRS();

    //Create a point to point LineOfSightNode.
    LinearLineOfSightNode* los = new LinearLineOfSightNode(
        mapNode, 
        GeoPoint(geoSRS, -121.665, 46.0878, 1258.00, ALTMODE_ABSOLUTE),
        GeoPoint(geoSRS, -121.488, 46.2054, 3620.11, ALTMODE_ABSOLUTE) );

    losGroup->addChild( los );
    
    //Create an editor for the point to point line of sight that allows you to drag the beginning and end points around.
    //This is just one way that you could manipulator the LineOfSightNode.
    LinearLineOfSightEditor* p2peditor = new LinearLineOfSightEditor( los );
    root->addChild( p2peditor );

    //Create a relative point to point LineOfSightNode.
    LinearLineOfSightNode* relativeLOS = new LinearLineOfSightNode( 
        mapNode, 
        GeoPoint(geoSRS, -121.2, 46.1, 10, ALTMODE_RELATIVE),
        GeoPoint(geoSRS, -121.488, 46.2054, 10, ALTMODE_RELATIVE) );

    losGroup->addChild( relativeLOS );

    LinearLineOfSightEditor* relEditor = new LinearLineOfSightEditor( relativeLOS );
    root->addChild( relEditor );

    //Create a RadialLineOfSightNode that allows you to do a 360 degree line of sight analysis.
    RadialLineOfSightNode* radial = new RadialLineOfSightNode( mapNode );
    radial->setCenter( GeoPoint(geoSRS, -121.515, 46.054, 847.604, ALTMODE_ABSOLUTE) );
    radial->setRadius( 2000 );
    radial->setNumSpokes( 100 );    
    losGroup->addChild( radial );
    RadialLineOfSightEditor* radialEditor = new RadialLineOfSightEditor( radial );
    losGroup->addChild( radialEditor );

    //Create a relative RadialLineOfSightNode that allows you to do a 360 degree line of sight analysis.
    RadialLineOfSightNode* radialRelative = new RadialLineOfSightNode( mapNode );
    radialRelative->setCenter( GeoPoint(geoSRS, -121.2, 46.054, 10, ALTMODE_RELATIVE) );
    radialRelative->setRadius( 3000 );
    radialRelative->setNumSpokes(60);    
    losGroup->addChild( radialRelative );
    RadialLineOfSightEditor* radialRelEditor = new RadialLineOfSightEditor( radialRelative );
    losGroup->addChild( radialRelEditor );

    //Load a plane model.  
    osg::ref_ptr< osg::Node >  plane = osgDB::readNodeFile("../data/cessna.osgb.5,5,5.scale");

    //Create 2 moving planes
    osg::Node* plane1 = createPlane(plane, GeoPoint(geoSRS, -121.656, 46.0935, 4133.06, ALTMODE_ABSOLUTE), mapSRS, 5000, 20);
    osg::Node* plane2 = createPlane(plane, GeoPoint(geoSRS, -121.321, 46.2589, 1390.09, ALTMODE_ABSOLUTE), mapSRS, 3000, 5);
    root->addChild( plane1 );
    root->addChild( plane2 );

    //Create a LineOfSightNode that will use a LineOfSightTether callback to monitor
    //the two plane's positions and recompute the LOS when they move
    LinearLineOfSightNode* tetheredLOS = new LinearLineOfSightNode( mapNode);
    losGroup->addChild( tetheredLOS );
    tetheredLOS->setUpdateCallback( new LineOfSightTether( plane1, plane2 ) );

    //Create another plane and attach a RadialLineOfSightNode to it using the RadialLineOfSightTether
    osg::Node* plane3 = createPlane(plane, GeoPoint(geoSRS, -121.463, 46.3548, 1348.71, ALTMODE_ABSOLUTE), mapSRS, 10000, 5);
    losGroup->addChild( plane3 );
    RadialLineOfSightNode* tetheredRadial = new RadialLineOfSightNode( mapNode );
    tetheredRadial->setRadius( 5000 );

    //This RadialLineOfSightNode is going to be filled, so set some alpha values for the colors so it's partially transparent
    tetheredRadial->setFill( true );
    tetheredRadial->setGoodColor( osg::Vec4(0,1,0,0.3) );
    tetheredRadial->setBadColor( osg::Vec4(1,0,0,0.3) );
    tetheredRadial->setNumSpokes( 100 );
    losGroup->addChild( tetheredRadial );
    tetheredRadial->setUpdateCallback( new RadialLineOfSightTether( plane3 ) );

    osgEarth::Viewpoint vp;
    vp.name() = "Mt Ranier";
    vp.focalPoint()->set(geoSRS, -121.488, 46.2054, 0, ALTMODE_ABSOLUTE);
    vp.pitch() = -50.0;
    vp.range() = 100000;

    manip->setHomeViewpoint( vp );

    viewer.setSceneData( root );    

    // 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()));

    return viewer.run();
}