code: public void paint(Paintable paintable, Object group, MapContext context) {
  		RasterTile tile = (RasterTile) paintable;
  		context.getRasterContext().drawImage(tile.getStore().getLayer(), 
  				tile.getCode().toString(), tile.getUrl(), tile.getBounds(), new PictureStyle(1.0));
  	}
docs: The actual painting function. Draws the groups.
  
  @param paintable
  A {@link RasterTile} object.
  @param group
  The group where the object resides in (optional).
  @param context
  A MapContext object, responsible for actual drawing.