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

#include <osg/Notify>
#include <osg/Shape>
#include <osg/ShapeDrawable>
#include <osg/Geode>
#include <osg/AutoTransform>
#include <osg/MatrixTransform>
#include <osgText/Text>
#include <osgGA/StateSetManipulator>
#include <osgGA/GUIEventHandler>
#include <osgViewer/Viewer>
#include <osgViewer/ViewerEventHandlers>
#include <osgUtil/LineSegmentIntersector>
#include <osgEarth/MapNode>
#include <osgEarth/FindNode>
#include <osgEarth/ElevationQuery>
#include <osgEarthUtil/EarthManipulator>
#include <osgEarthUtil/ObjectLocator>
#include <osg/Depth>
#include <sstream>
#include <iomanip>

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Classes
struct	QueryElevationHandler
Functions
static osg::Node *	createFlag ()
int	main (int argc, char **argv)
Variables
static osg::Node *	s_flagNode
static osgText::Text *	s_flagText

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Function Documentation

static osg::Node* createFlag

(

)

[static]

Definition at line 48 of file osgearth_elevation.cpp.

{
    osg::Geode* g = new osg::Geode();
    osgText::Text* text = new osgText::Text();
    text->setCharacterSizeMode( osgText::Text::SCREEN_COORDS );
    text->setCharacterSize( 24.f );
    text->setFont( osgText::readFontFile("arial.ttf") );
    text->setBackdropType( osgText::Text::OUTLINE );
    text->setText( "00000000000000" );
    text->setAutoRotateToScreen( true );
    text->setPosition( osg::Vec3d( 0, 0, 0 ) );
    text->setDataVariance( osg::Object::DYNAMIC );
    g->addDrawable( text );
    g->getOrCreateStateSet()->setMode( GL_LIGHTING, 0 );
    g->getStateSet()->setAttribute( new osg::Depth(osg::Depth::ALWAYS), 1 );
    g->getStateSet()->setRenderBinDetails( 99, "RenderBin" );
    g->setDataVariance( osg::Object::DYNAMIC );
    g->setCullingActive( false );
    g->setNodeMask( 0 );
    s_flagText = text;
    s_flagNode = g;
    return g;
}

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int main	(	int	argc,
		char **	argv
	)

Definition at line 157 of file osgearth_elevation.cpp.

{
    osg::ArgumentParser arguments(&argc,argv);

    osgViewer::Viewer viewer(arguments);

        osgEarth::MapNode* mapNode = NULL;

        osg::Node* loadedNode = osgDB::readNodeFiles( arguments );
    if (loadedNode)
    {
                mapNode = findTopMostNodeOfType<osgEarth::MapNode>( loadedNode );
    }

    if ( !mapNode )
    {
        OE_WARN << "Unable to load earth file." << std::endl;
        return -1;
    }

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

    // The MapNode will render the Map object in the scene graph.
    mapNode->setNodeMask( 0x01 );
    root->addChild( mapNode );

    // A flag so we can see where we clicked
    ObjectLocatorNode* flag = new ObjectLocatorNode( mapNode->getMap() );
    flag->addChild( createFlag() );
    flag->setNodeMask( 0x02 );
    root->addChild( flag );

    viewer.setSceneData( root );

    // An event handler that will respond to mouse clicks:
    viewer.addEventHandler( new QueryElevationHandler( mapNode->getMap(), flag->getLocator() ) );

    // add some stock OSG handlers:
    viewer.addEventHandler(new osgViewer::StatsHandler());
    viewer.addEventHandler(new osgViewer::WindowSizeHandler());
    viewer.addEventHandler(new osgGA::StateSetManipulator(viewer.getCamera()->getOrCreateStateSet()));

    // install the programmable manipulator.
    if ( mapNode->getMap()->isGeocentric() )
        viewer.setCameraManipulator( new osgEarth::Util::EarthManipulator() );

    return viewer.run();
}

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Variable Documentation

osg::Node* s_flagNode [static]

Definition at line 44 of file osgearth_elevation.cpp.

osgText::Text* s_flagText [static]

Definition at line 45 of file osgearth_elevation.cpp.