Dataset { Float32 X[X = 91]; Float32 T[T = 1439]; Float32 Y[Y = 213]; Grid { ARRAY: Float32 partial_Y[Y = 213][X = 91][T = 1439]; MAPS: Float32 Y[Y = 213]; Float32 X[X = 91]; Float32 T[T = 1439]; } partial_Y; } partial_Y;