Dataset { Float32 T[T = 12]; Float32 Y[Y = 121]; Float32 X[X = 120]; Grid { ARRAY: Float32 partial_X[T = 12][Y = 121][X = 120]; MAPS: Float32 T[T = 12]; Float32 Y[Y = 121]; Float32 X[X = 120]; } partial_X; } partial_X;