#34 GIBS-673 Use the first entry with nodata="true" for empty tile color
#34 GIBS-673 Use the first entry with nodata="true" for empty tile color
nasa-gibs/onearth,nasa-gibs/onearth,nasa-gibs/onearth,nasa-gibs/onearth,nasa-gibs/onearth,nasa-gibs/onearth