int
main(int argc, char** argv)
{
osg::ArgumentParser arguments(&argc,argv);
// help?
if ( arguments.read("--help") )
return usage(argv[0]);
osgViewer::Viewer viewer(arguments);
EarthManipulator* em = new EarthManipulator();
viewer.setCameraManipulator( em );
// load an earth file, and support all or our example command-line options
// and earth file <external> tags
osg::Node* earth = MapNodeHelper().load( arguments, &viewer );
MapNode* mapNode = MapNode::get(earth);
if (!mapNode)
return usage(argv[0]);
// load the model file into the local coordinate frame, which will be
// +X=east, +Y=north, +Z=up.
osg::ref_ptr<osg::Node> model = osgDB::readRefNodeFile("../data/axes.osgt.(1000).scale.osgearth_shadergen");
if (!model.valid())
return usage(argv[0]);
osg::Group* root = new osg::Group();
root->addChild( earth );
App app;
app.srs = mapNode->getMapSRS();
app.geo = new GeoTransform();
app.pat = new osg::PositionAttitudeTransform();
app.pat->addChild( model.get() );
app.geo->addChild( app.pat );
// Place your GeoTransform under the map node and it will automatically support clamping.
// If you don't do this, you must call setTerrain to get terrain clamping.
mapNode->addChild( app.geo );
viewer.setSceneData( root );
viewer.getCamera()->setNearFarRatio(0.00002);
viewer.getCamera()->setSmallFeatureCullingPixelSize(-1.0f);
ui::ControlCanvas::getOrCreate(&viewer)->addControl( makeUI(app) );
app.apply();
osgEarth::Viewpoint vp;
vp.setNode( app.geo );
vp.heading()->set( -45.0, Units::DEGREES );
vp.pitch()->set( -20.0, Units::DEGREES );
vp.range()->set( model->getBound().radius()*10.0, Units::METERS );
em->setViewpoint( vp );
return viewer.run();
}
int
main(int argc, char** argv)
{
osg::ArgumentParser arguments(&argc,argv);
// help?
if ( arguments.read("--help") )
return usage(argv[0]);
// create a viewer:
osgViewer::Viewer viewer(arguments);
// Whether to test updating material
bool update = arguments.read("--update");
// Tell the database pager to not modify the unref settings
viewer.getDatabasePager()->setUnrefImageDataAfterApplyPolicy( true, false );
// install our default manipulator (do this before calling load)
viewer.setCameraManipulator( new EarthManipulator(arguments) );
// disable the small-feature culling
viewer.getCamera()->setSmallFeatureCullingPixelSize(-1.0f);
viewer.setLightingMode(viewer.NO_LIGHT);
// load an earth file, and support all or our example command-line options
osg::ref_ptr<osg::Node> node = MapNodeHelper().load(arguments, &viewer);
if (node.valid())
{
MapNode* mapNode = MapNode::get(node.get());
if ( !mapNode )
return -1;
// Example of a custom material for the terrain.
osg::ref_ptr< osg::Material > material = 0;
if (update)
{
OE_NOTICE << "Custom material" << std::endl;
material = new osg::Material;
material->setDiffuse(osg::Material::FRONT, osg::Vec4(1,1,1,1));
material->setAmbient(osg::Material::FRONT, osg::Vec4(1,1,1,1));
// Attach our StateAttributeCallback so that uniforms are updated.
material->setUpdateCallback(new MaterialCallback());
mapNode->getOrCreateStateSet()->setAttributeAndModes(material);
}
// Does a Sky already exist (loaded from the earth file)?
SkyNode* sky = osgEarth::findTopMostNodeOfType<SkyNode>(node.get());
if (!sky)
{
// Add phong lighting.
PhongLightingEffect* phong = new PhongLightingEffect();
phong->attach(node->getOrCreateStateSet());
}
osg::Group* lights = addLights(&viewer, node.get(), sky?1:0);
mapNode->addChild(lights);
viewer.setSceneData(node.get());
while (!viewer.done())
{
if (viewer.getFrameStamp()->getFrameNumber() % 100 == 0)
{
if (material)
{
material->setDiffuse(osg::Material::FRONT, randomColor());
}
}
viewer.frame();
}
return 0;
}
else
{
return usage(argv[0]);
}
}