An orchard tent folding structure comprises two frame sets and a shelter member having a plurality of tubular members and a plastic cloth. The method includes receiving forecast information from sales people in a computer. The rear base 13 is provided at its portion with an opening 13A, a link arm 105 is formed at its portion with a folded piece 105D, which is folded toward the opening 13A, a space is formed on the side of the printed board 14 by the folded piece 105D, and a part 14A to be mounted on the printed board 14 is disposed in correspondence with the space. The first one-dimensional color recovery application generates a partially color-recovered image in which, for each row in that dimension, values are recovered for all of the colors present in that row.