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给你一个人家写的,放到cad安装目录下加载后可用,命令为bj
( `, y. x6 f2 F7 f1 H3 q3 b% };;可改圆的半径或比例缩放2 o/ P# o- |) v2 Y4 ?
(defun C:bj (/ SSET SC SC1 SSLEN NT)5 T6 d8 d( A: {. c! ^
(while (= SSET NIL)9 q m/ y- p# X2 d y
(prompt "\n选择要修改的圆:")
9 o* m' H$ N& a4 p8 S) @(setq SSET (ssget '((0 . "CIRCLE"))))
4 k Z* N: ^$ c1 _" I, ]4 @# ]# w)
9 n0 L+ W5 _8 v; U R(setq SC (getstring "\n输入半径(R)/<缩放比例>: "))
3 }/ k( [- M! W- [ l' O(if (= SC "")
7 ]3 C+ \! c/ `$ ~# F! R$ t(setq SC (getreal "\n缩放比例: "))( y! X3 V* c# A, o: ?+ O
(setq SC1 (getreal "\n输入半径: "))
, l# T; R1 f* I R- n* r, [$ h)
* a6 G1 m! u9 m# f, Q(setq SSLEN (sslength SSET))2 f8 ?* C) C4 \2 s
(while (> SSLEN 0)
4 D: m. z; K4 B4 T(setq ENT (entget (ssname SSET (setq SSLEN (1- SSLEN)))))5 l& \. w/ ^- M: S, w1 Q
(if (= SC1 NIL)& d% b8 i' @2 t
(setq NT (* SC (cdr (assoc 40 ENT))))% c6 [* [& `9 @& M! D7 E U
(setq NT SC1)
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(entmod (subst (cons 40 NT) (assoc 40 ENT) ENT))
$ E- O( o2 r" W)
8 Q7 v z" W# x# k" h7 Y2 S(princ)& i9 t, A6 ]9 w) R( F1 t4 a7 s3 b* A
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