本帖最后由 xyp1964 于 2014-1-25 11:47 编辑
 - ;; 需要e派工具箱(XCAD)的支持:[url]http://yunpan.cn/QXQKsW9gAPmpF[/url](defun c:tt ()
- (xyp-CMDLA0)
- (setq i -1 ll 0)
- (while (setq e (entsel "\n选择曲线段: "))
- (setq lst (xyp-Get-Pts&Pte e)
- s1(car e)
- p1(car lst)
- p2(cadr lst)
- l1(xyp-LengthAtPoint s1 p1)
- l2(xyp-LengthAtPoint s1 p2)
- dl (- l2 l1)
- ll (+ ll dl)
- )
- (xyp-Grvecs-Ptlst (list p1 p2) 1)
- (princ "\n本段线长为: ")(princ dl)
- (princ " 总线长为: ")(princ ll)
- )
- (xyp-CMDLA1)
- )
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