Triangle scan conversion using 2D homogeneous coordinates
Triangle scan conversion using 2D homogeneous coordinates
复制标题
使用二维齐次坐标进行三角形扫描转换
DOI:
10.1145/258694.258723
复制
发表时间:
1997
影响因子:
4.3
通讯作者:
T. Greer
中科院分区:
文献类型:
--
作者:
M. Olano;T. Greer
We present a new triangle scan conversion algorithm that works entirely in homogeneous coordinates. By using homogeneous coordinntes, the algorithm avoids costly clipping tests which make pipelining or hardware implementations of previous scan conversion algorithms difticult. The algorithm handles clipping by the addition of clip edges, without the need to actually split the clipped triangle. Furthermore, the algorithm can render true homogeneous triangles, including external triungles that should pass through infinity with two visible sections. An implementation of the algorithm on Pixel-Planes 5 runs about 33% faster than a similar implementation of the previous algorithm. CR