Dataset { Float32 X[X = 55]; Float32 T[T = 12]; Float32 Y[Y = 55]; Grid { ARRAY: Float32 partial_Y[T = 12][Y = 55][X = 55]; MAPS: Float32 T[T = 12]; Float32 Y[Y = 55]; Float32 X[X = 55]; } partial_Y; } partial_Y;