Perspective display device for displaying and manipulating 2-D or 3-D cursor, 3-D object and associated mark position

摘要

A manual operating system for manually operating a pattern displayed on a screen of a graphics display device, which is included in the manual operating system so as to display generated patterns comprises perspective projection means for displaying the cursor, object and mark in perspective projection on the basis of information supplied from cursor information storage means and object information storage means.