Container*
createControlPanel(osgViewer::View* view)
{
ControlCanvas* canvas = ControlCanvas::getOrCreate(view);
VBox* vbox = canvas->addControl(new VBox());
vbox->setChildSpacing(10);
return vbox;
}
int
main(int argc, char** argv)
{
// allocate pager threads based on CPU configuration.
int cores = Registry::capabilities().getNumProcessors();
osg::DisplaySettings::instance()->setNumOfDatabaseThreadsHint( osg::clampAbove(cores, 2) );
osg::DisplaySettings::instance()->setNumOfHttpDatabaseThreadsHint( osg::clampAbove(cores/2, 1) );
// parse the command line.
osg::ArgumentParser arguments(&argc,argv);
osgViewer::Viewer viewer(arguments);
// set up the motion model.
viewer.setCameraManipulator( new EarthManipulator() );
// simple UI.
VBox* vbox = new VBox();
vbox->setMargin( 3 );
vbox->setChildSpacing( 5 );
vbox->setAbsorbEvents( true );
vbox->setHorizAlign( Control::ALIGN_RIGHT );
vbox->setVertAlign ( Control::ALIGN_BOTTOM );
// Control instructions:
Grid* grid = vbox->addControl( new Grid() );
grid->setControl( 0, 0, new LabelControl("Pan:"));
grid->setControl( 1, 0, new LabelControl("Left mouse"));
grid->setControl( 0, 1, new LabelControl("Zoom:"));
grid->setControl( 1, 1, new LabelControl("Right mouse / scroll"));
grid->setControl( 0, 2, new LabelControl("Rotate:") );
grid->setControl( 1, 2, new LabelControl("Middle mouse"));
grid->setControl( 0, 3, new LabelControl("Go to:"));
grid->setControl( 1, 3, new LabelControl("Double-click"));
ControlCanvas::getOrCreate(&viewer)->addControl(vbox);
// Load an earth file
osg::Node* node = MapNodeHelper().load(arguments, &viewer);
if ( !node )
return usage( "Failed to load earth file." );
viewer.setSceneData( node );
#ifdef Q_WS_X11
// required for multi-threaded viewer on linux:
XInitThreads();
#endif
QApplication app(argc, argv);
QWidget* viewerWidget = new ViewerWidget( &viewer );
QMainWindow win;
win.setWindowTitle( "osgEarth -- The #1 Open Source Terrain SDK for Mission-Critical Applications" );
win.setCentralWidget( viewerWidget );
win.setGeometry(100, 100, 1024, 800);
win.statusBar()->showMessage(QString("osgEarth. Copyright 2014 Pelican Mapping. Please visit http://osgearth.org"));
win.show();
app.exec();
}