A is a technique embodying the definition information by distance and direction between two dots rather than positions of the dots, compared to the dot pattern of the prior art described above.Expand
In a conventional dot-pattern technology, there has been the problem that latitude/longitude information or associated information can not be acquired from a curvilinear solid, and a problem that in order to read coordinate information and/or code information from the vicinity of a line segment drawn on a map and drawing to acquire information associated with the line segment, it is necessary to define manually an area including the line segments.Expand