英德
有道
百度
谷歌
图片
维基
百科
有向线段
[数] directed line segment
- 如果有朋友向我们走过来，我们将看到他的那条线段逐渐变大；
If our friend comes closer to us we see his line becomes larger; - 将扫描体与复杂曲面法矢的求交问题，转化为三角网格与有向线段之间的求交计算。
The intersection of sweep volume with complicated surface normal is transformed into computation of intersection between triangular mesh and directed line segment. - 通过将被裁剪线段定义为有向线段、确定窗口边界的进出边，避免了不必要的求交计算。
With the introduction of the direction for each line segment, the entry and exit boundary lines of the clipping window are classified, resulting in less intersection calculation for the process.
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