/home/cube/sources/osgearth/src/applications/osgearth_manip/osgearth_manip.cpp File Reference

#include <string>
#include <osg/Notify>
#include <osg/Switch>
#include <osgGA/StateSetManipulator>
#include <osgGA/GUIEventHandler>
#include <osgViewer/Viewer>
#include <osgViewer/ViewerEventHandlers>
#include <osgEarth/Map>
#include <osgEarth/MapNode>
#include <osgEarthUtil/EarthManipulator>
#include <osgEarthUtil/Viewpoint>
#include <osgEarthUtil/AutoClipPlaneHandler>
#include <osgEarthUtil/Controls>

Include dependency graph for osgearth_manip.cpp:

Go to the source code of this file.

Classes
class	anonymous_namespace{osgearth_manip.cpp}::SwitchHandler
struct	anonymous_namespace{osgearth_manip.cpp}::FlyToViewpointHandler
struct	anonymous_namespace{osgearth_manip.cpp}::LockAzimuthHandler
Namespaces
namespace	anonymous_namespace{osgearth_manip.cpp}
Functions
osg::Node *	anonymous_namespace{osgearth_manip.cpp}::createHelp (osgViewer::View *view)
int	main (int argc, char **argv)
Variables
static Viewpoint	anonymous_namespace{osgearth_manip.cpp}::VPs []

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Function Documentation

int main	(	int	argc,
		char **	argv
	)

Definition at line 149 of file osgearth_manip.cpp.

{
    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();
}

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