Visualize ASRP/USRP/ADRG data on a GXY map

//First create the model
ILcdModelDecoder decoder =
    new TLcdCompositeModelDecoder(TLcdServiceLoader.getInstance(ILcdModelDecoder.class));
ILcdModel model = decoder.decode(sourceName);

//Create a layer for the model with default styling
ILcdGXYLayer layer = createGXYUSRPLayer(model);
//Wrap the layer with an async layer wrapper to ensure
//that the view remains responsive while data is being painted
layer = ILcdGXYAsynchronousLayerWrapper.create(layer);

//Add the async layer to the GXY view (an ILcdGXYView)
view.addGXYLayer(layer);

/**
 * The model decoder can return a single ILcdModel or an ILcdModelTreeNode,
 * depending on the data set.
 *
 * This method can deal with both scenarios
 */
static ILcdGXYLayer createGXYUSRPLayer(ILcdModel model) {
  //The model decoder returns a model tree node when the file contains multiple data sets
  //The node itself is just an empty container. We create an empty layer node for that container.
  //Then we loop over the child models (=the actual data), and create layers for those as well
  if (model instanceof ILcdModelContainer) {
    TLcdGXYLayerTreeNode node = new TLcdGXYLayerTreeNode(model);
    for (int i = 0; i < ((ILcdModelContainer) model).modelCount(); i++) {
      ILcdModel childModel = ((ILcdModelContainer) model).getModel(i);
      //Use recursion to create layers for the child models
      node.addLayer(createGXYUSRPLayer(childModel));
    }
    return node;
  } else if (model.getModelDescriptor() instanceof TLcdUSRPModelDescriptor ||
             model.getModelDescriptor() instanceof TLcdUSRPDatasetModelDescriptor) {
    return TLcdGXYLayer.create(model);
  }
  throw new IllegalArgumentException("Cannot create layer for model " + model);
}