In an undazzled area map product stored in a computer readable storage unit, information indicative of a relationship between a boundary distance and {TAIL ~ each} of a plurality of divided sections of {HEAD ~ a rectangular area} to be picked up by a pickup unit is included 
In an undazzled area map product stored in a computer readable storage unit , information indicative of a relationship between a boundary distance and { TAIL ~ each } of a plurality of divided sections of { HEAD ~ a rectangular area } to be picked up by a pickup unit is included
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH