[原创]根据C.Gosselin的论文编写的6-SPS并联机器人可达工作空间绘制程序，思路、算法与数据均来自论文"Determination of the Workspace of 6-DOF Parallel Manipulators"，算法的实现（如圆弧求交离散，可达工作空间边界判定等）由本人自己编写，最后绘制的图形不仅包括z向横截面的工作空间轮廓图，还包括过z轴平面与工作空间的交线，以通过线框图更好的反映工作空间外形。文件中还包括了论文中提到的计算z向截面面积的函数，执行主程序workspace_main.m后输出的AREA第一列为截面面积，第二列为截面的z向位置。
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