Dataset { Float32 Y[Y = 39]; Float32 X[X = 49]; Float32 T[T = 12]; Grid { ARRAY: Float32 partial_Y[T = 12][Y = 39][X = 49]; MAPS: Float32 T[T = 12]; Float32 Y[Y = 39]; Float32 X[X = 49]; } partial_Y; } partial_Y;