| 摘要 |
<p>PURPOSE:To efficiently retrieve a part to be observed in drawing information by displaying the locus of a scroll. CONSTITUTION:An image coordinate analyzing part 5 analyzes the coordinates of a scrolled image and forms a series of coodinate data expressing the scrolled locus of a certain part in the whole drawing information and an image data processing unit 1 forms scrolled image data, allover image data and scrolled locus image data based upon the coordinate data, executes the image processing of respective data and displays the whole drawing information or a scrolled locus on a multiwindow on the display part 3.</p> |
