文件名称：The A-buffer, an Antialiased Hidden Surface Method (1984)
文件大小：541KB
文件格式：PDF
更新时间：2017-10-09 05:52:22
A-Buffer
Abstract The A-buffer (anti-aliased, area-averaged, accumulation buffer) is a general hidden surface mechanism suited to medium scale virtual memory computers. It resolves visibility among an arbitrary collection of opaque, transparent, and intersecting objects. Using an easy to compute Fourier window (box flter), it increases the effective image resolution many times over the Z-buffer, with a moderate increase in cost. The A-buffer is incorporated into the REYES 3-D rendering system at Lucasfilm and was used successfully in the "Genesis Demo " sequence in