METHOD AND DEVICE FOR CONSTRUCTING AND VIEWING A COMPUTER MODEL IMAGE

摘要

The man/machine interface (3) permits the selection of a zone (2) within the screen (1). For the area outside the zone the display characteristics relating to the whole electronic model are adopted by using a mask whose definition is stored in a Stencil buffer memory. Within the designated zone specific display characteristics such as opacity and visibility are nominated to particular objects An Independent claim is also included for : Equipment which produces a 3D image and has means to select a special zone which has particular display characteristics for the objects within