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在网上下载了一个加粗线段的 LISP ,作者称有输入数值记忆功能,但我使用时却没有,是何原因?

- [FONT=courier new]
- ;;; 该程序可修改线,弧,圆及多义线的宽度
- (defun C:xk (/ p l n e q w a m b layer0 color0 linetype0 layer1 color1 linetype1 rad-out rad-in)
- (setq oldblp (getvar "blipmode")
- oldech (getvar "cmdecho")
- olderr *error*
- linetype1 (getvar "celtype")
- layer1 (getvar "clayer")
- color1 (getvar "cecolor")
- )
- (setvar "blipmode" 0)
- (setvar "cmdecho" 0)
- (defun *error* (msg)
- (princ "\n")
- (princ msg)
- (setvar "blipmode" oldblp)
- (setvar "cmdecho" oldech)
- (setq *error* olderr)
- (princ)
- )
- (prompt "\n请选择要改变宽度的线,弧,圆及多义线.")
- (setq p (ssget))
- (if (= w nil) (setq w 50))
- (setq width (getreal (strcat "\n请输入宽度<" (rtos W) ">: ")))
- (if (= width nil) (setq width w))
- (setq l 0 m 0 n (sslength p))
- (while (< l n)
- (setq q (ssname p l))
- (setq ent (entget q))
- (setq b (cdr (assoc 0 ent)))
- (if (member b '("LINE" "ARC"))
- (progn
- (command "PEDIT" q "y" "w" width "x")
- (setq m (+ 1 m))
- )
- )
- (if (= "LWPOLYLINE" b)
- (progn
- (command "PEDIT" q "w" width "x")
- (setq m (+ 1 m))
- )
- )
- (if (= "CIRCLE" b)
- (progn
- (if (assoc 6 ent) (setq linetype0 (cdr (assoc 6 ent))) (setq linetype0 "bylayer"))
- (setq layer0 (cdr (assoc 8 ent)))
- (if (assoc 62 ent) (setq color0 (cdr (assoc 62 ent))) (setq color0 "bylayer"))
- (setq center0 (cdr (assoc 10 ent)))
- (setq radius0 (cdr (assoc 40 ent)))
- (setq diameter0 (* 2 radius0))
- (entdel q)
- (command "color" color0)
- (command "layer" "s" layer0 "")
- (command "linetype" "s" linetype0 "")
- (if (> w diameter0)
- (progn
- (princ "\n\t 因线宽大于圆的直径,故将该圆填充")
- (princ)
- (setq rad-out (* 2 radius0)
- rad-in 0
- )
- )
- )
- (if (<= w diameter0)
- (progn
- (setq rad-out (+ (* 2 radius0) width)
- rad-in (- (* 2 radius0) width)
- )
- )
- )
- (command "donut" rad-in rad-out center0 "")
- (setq m (+ 1 m))
- )
- )
- (setq l (+ 1 l))
- )
- (if (= 0 m)
- (progn
- (princ "\n\t 没有任何线,弧,圆及多义线被选中")
- (princ)
- )
- )
- (setvar "blipmode" oldblp)
- (setvar "cmdecho" oldech)
- (setq *error* olderr)
- (command "color" color1)
- (command "layer" "s" layer1 "")
- (command "linetype" "s" linetype1 "")
- (princ)
- )
- (princ)
- [/FONT]
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