opengl - 为什么画线算法对切线的处理方式不同？(Why the line drawing algorithm handles the lines with the tangent differently?)

Question

Why the Line drawing algorithms in graphics and visual computing handles the lines with |m|

(为什么图形和视觉计算中的线条绘制算法使用| m |处理线条？)

> 1 and |m|

(> 1和| m |)

< 1 differently (m is the tangent)?

(<1是否不同（m是切线）？)

  ask by Subhashana Silva translate from so

Answer 1

等待大神答复