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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bj1 m! c4 H4 _7 c0 N, C1 H( w' V
;;可改圆的半径或比例缩放) a3 X" i2 t$ h) R0 D& A/ w
(defun C:bj (/ SSET SC SC1 SSLEN NT)
1 @0 t1 a1 o0 Z5 ~% ?1 t(while (= SSET NIL), d% q7 M2 a& X' ?) N v) V
(prompt "\n选择要修改的圆:")5 H' z( ^" ]" r
(setq SSET (ssget '((0 . "CIRCLE"))))
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(setq SC (getstring "\n输入半径(R)/<缩放比例>: "))
3 ^0 O5 M& F+ e) X: A(if (= SC "")/ O3 z4 K1 v1 h' T, W0 y
(setq SC (getreal "\n缩放比例: ")); @8 {1 C5 G5 s+ u
(setq SC1 (getreal "\n输入半径: "))/ Q! L: o+ R& a: E& f, [& H
); Q& ~9 X4 W' }) r, Z
(setq SSLEN (sslength SSET))
) k. j! W! @' Z* g8 X(while (> SSLEN 0): a; Q2 _- z. V. k- f; h
(setq ENT (entget (ssname SSET (setq SSLEN (1- SSLEN)))))
% O; ~$ ^0 v. P7 [; g& q; M4 p(if (= SC1 NIL)
: f+ \ U3 S, L5 L(setq NT (* SC (cdr (assoc 40 ENT))))1 [/ E+ h, c* w. ^* Y$ h
(setq NT SC1)
# V' @1 d0 W1 u7 h& a)
0 t( `0 b" }, G ~(entmod (subst (cons 40 NT) (assoc 40 ENT) ENT))% b3 E2 W; Y) L8 }/ I, q
)
) Z% B6 w, ~. T/ _6 g: v(princ)# \4 x; Y; O; M8 C7 f: ^0 {
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发表于 2008-4-18 22:27
楼主
发表于 2008-4-19 10:24