基本函数 类别：geometry

如何使用这些函数? 请先阅读说明文档。

geometry

• geometry:angle
• geometry:box-intersectp
• geometry:convexhull-by-graham-scan
• geometry:convexhull-by-jarvis
• geometry:dist-pt-line
• geometry:merge-box
• geometry:on-segment
• geometry:point-3d->2d
• geometry:segment-by-line
• geometry:segment-mid
• geometry:turn-left-p
• geometry:turn-right-p
• geometry:ucs
• geometry:ucs-angle
• geometry:wcs2ucs