| 摘要 |
<P>PROBLEM TO BE SOLVED: To facilitate the displaying of the whole area of a feeder when displaying it with a specified feeder at a reduced scale. <P>SOLUTION: In the display method of a distribution line map that displays an area in which the smallest rectangle surrounding a feeder is included in a region to be displayed as a feeder to be displayed, when a feeder is specified and displayed together with a street map, (a) when a feeder is specified and displayed, the center of the rectangle of the feeder is determined as the center of the region to be displayed, (b) the rectangle of the feeder on the current distribution line map is multiplied by each scale magnification ratio, (c) the rectangle of the feeder on a CRT is obtained, (d) whether the rectangle of the feeder is included in a window or not is checked, and (e) the smallest scale size of the scales in which the rectangle of the feeder is included is determined as the region to be displayed. <P>COPYRIGHT: (C)2007,JPO&INPIT |
