Dataset { Float32 Y[Y = 269]; Float32 X[X = 336]; Float32 T[T = 347]; Grid { ARRAY: Float32 partial_Y[Y = 269][X = 336][T = 347]; MAPS: Float32 Y[Y = 269]; Float32 X[X = 336]; Float32 T[T = 347]; } partial_Y; } partial_Y;