int
main(int argc, char** argv)
{
osg::ArgumentParser arguments(&argc,argv);
osg::DisplaySettings::instance()->setMinimumNumStencilBits( 8 );
std::vector< std::string > imageFiles;
std::vector< Bounds > imageBounds;
//Read in the image files
std::string filename;
Bounds bounds;
while (arguments.read("--image", filename, bounds.xMin(), bounds.yMin(), bounds.xMax(), bounds.yMax()))
{
imageFiles.push_back( filename );
imageBounds.push_back( bounds );
}
if (imageFiles.empty())
{
imageFiles.push_back("../data/osgearth.gif");
imageBounds.push_back( Bounds(-100, 30, -90, 40) );
}
bool moveVert = arguments.read("--vert");
// load the .earth file from the command line.
osg::Node* earthNode = osgDB::readNodeFiles( arguments );
if (!earthNode)
return usage( "Unable to load earth model." );
osgViewer::Viewer viewer(arguments);
EarthManipulator* manip = new EarthManipulator();
viewer.setCameraManipulator( manip );
osg::Group* root = new osg::Group();
root->addChild( earthNode );
//Create the control panel
root->addChild( createControlPanel(&viewer) );
viewer.setSceneData( root );
osgEarth::MapNode* mapNode = osgEarth::MapNode::findMapNode( earthNode );
if ( mapNode )
{
for (unsigned int i = 0; i < imageFiles.size(); i++)
{
std::string imageFile = imageFiles[i];
//Read the image file and play it if it's a movie
osg::Image* image = osgDB::readImageFile(imageFile);
if (image)
{
osg::ImageStream* is = dynamic_cast<osg::ImageStream*>(image);
if (is)
{
is->play();
}
}
//Create a new ImageOverlay and set it's bounds
//ImageOverlay* overlay = new ImageOverlay(mapNode->getMap()->getProfile()->getSRS()->getEllipsoid(), image);
ImageOverlay* overlay = new ImageOverlay(mapNode);
overlay->setImage( image );
overlay->setBounds(imageBounds[i]);
root->addChild( overlay );
//Create a new ImageOverlayEditor and set it's node mask to 0 to hide it initially
#if OSG_MIN_VERSION_REQUIRED(2,9,6)
osg::Node* editor = new ImageOverlayEditor( overlay);
#else
//Just make an empty group for pre-2.9.6
osg::Node* editor = new osg::Group;
#endif
editor->setNodeMask( 0 );
root->addChild( editor );
// Add an image preview
ImageControl* imageCon = new ImageControl( image );
imageCon->setSize( 64, 64 );
imageCon->setVertAlign( Control::ALIGN_CENTER );
s_layerBox->setControl( 0, i, imageCon );
//Add some controls
CheckBoxControl* enabled = new CheckBoxControl( true );
enabled->addEventHandler( new EnabledHandler(overlay) );
enabled->setVertAlign( Control::ALIGN_CENTER );
s_layerBox->setControl( 1, i, enabled );
//The overlay name
LabelControl* name = new LabelControl( osgDB::getSimpleFileName( imageFile) );
name->setVertAlign( Control::ALIGN_CENTER );
s_layerBox->setControl( 2, i, name );
// an opacity slider
HSliderControl* opacity = new HSliderControl( 0.0f, 1.0f, overlay->getAlpha() );
opacity->setWidth( 125 );
opacity->setHeight( 12 );
opacity->setVertAlign( Control::ALIGN_CENTER );
opacity->addEventHandler( new OpacityHandler(overlay) );
s_layerBox->setControl( 3, i, opacity );
// Add a text label:
LabelControl* edit = new LabelControl( "Edit" );
edit->setVertAlign( Control::ALIGN_CENTER );
edit->addEventHandler(new EditHandler(overlay, &viewer, editor));
s_layerBox->setControl(4, i, edit );
}
}
// osgEarth benefits from pre-compilation of GL objects in the pager. In newer versions of
// OSG, this activates OSG's IncrementalCompileOpeartion in order to avoid frame breaks.
viewer.getDatabasePager()->setDoPreCompile( true );
// add some stock OSG handlers:
viewer.addEventHandler(new osgViewer::StatsHandler());
viewer.addEventHandler(new osgViewer::WindowSizeHandler());
viewer.addEventHandler(new osgViewer::LODScaleHandler());
viewer.addEventHandler(new osgGA::StateSetManipulator(viewer.getCamera()->getOrCreateStateSet()));
viewer.addEventHandler(new osgViewer::HelpHandler(arguments.getApplicationUsage()));
return viewer.run();
}
