一种快速而有效的真实感图形生成法——投影区域缓冲器法

A QUICK AND EFFECTIVE METHOD FOR GENERATING REALISTIC GRAPHICS——PROJECTION REGION BUFFERS

\LAnW’JMWL,本文提出了一种快速有效的真实感川形个成方法一投影【域缓冲器法。它将整个画面划分成若下个小【域,把投影在某一区域内的物体表而登记A该K域的缓冲器中,这样,每个区域内的真实感图形个成以和该区域缓冲器里的为数不多的物体表面有关,从而使得真实感图形的生成速度仅与图形大小有关,而与物体表而数无关。此外,由于各区域的图形可独立地生成,该算议也钻I‘应m到分布大系统或并行系统中并行地生成图形。

A quick and effective method of realistic graphics generating-projection region buffers is one which divides a picture in the screen into several small regions and the object surfaces of which projections are in one of the regions are recorded into their buffers. Thus, realistic graphics generating in each region relates to the few object surfaces in the region buffer, and the rate of graphics generating depends upon the size of graphics rath-er than the number of object surfaces. Since each region graphics can be generated independently, the method can be easily applied to distributed or parallel computer system for generating graphics simultaneously.