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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; u7 n- k# E' ^;;可改圆的半径或比例缩放
& W- w' m! C0 Z% B0 Q D$ i: M* A(defun C:bj (/ SSET SC SC1 SSLEN NT)
, B' g/ w8 a7 x0 V(while (= SSET NIL)
, x. | i2 v( J" N(prompt "\n选择要修改的圆:"), |' n' A; _8 _8 x
(setq SSET (ssget '((0 . "CIRCLE"))))5 u1 Z, ]+ C- E$ R8 p0 S; v
)
+ K# A B9 \. X2 r+ a* d, v, ]. y3 N4 B6 C(setq SC (getstring "\n输入半径(R)/<缩放比例>: ")) j: X) A% N4 U* k# A# Z
(if (= SC "")
( ]; ?0 z7 T$ ?5 u$ v% Q(setq SC (getreal "\n缩放比例: "))
h+ J; P+ K- A9 E) L9 P0 ^7 y7 M- Z(setq SC1 (getreal "\n输入半径: "))$ p& C' h- v: d3 C. ?' o
)1 V4 [" K+ Y2 Q. K9 l3 V
(setq SSLEN (sslength SSET)): O4 D( p0 p. }. D) B6 R
(while (> SSLEN 0)
+ w6 h$ i( E+ H7 X4 z(setq ENT (entget (ssname SSET (setq SSLEN (1- SSLEN)))))
$ ?' j# X5 Z* |. \0 J7 U(if (= SC1 NIL): L/ ]# ^; ]; Q o" f- T- }9 j$ w
(setq NT (* SC (cdr (assoc 40 ENT))))* b: T7 Y6 J- G- L' o
(setq NT SC1) f9 y" x% z/ K3 \( d; z
)
: `( K4 n2 H, }" `$ C3 ?4 K6 P! v(entmod (subst (cons 40 NT) (assoc 40 ENT) ENT))
1 S$ Q) P3 s( u" })
0 b% K7 K. W' c% W2 g ](princ)% T5 Z; c5 D1 O/ O8 Q$ q2 e
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发表于 2008-4-18 22:27
楼主
发表于 2008-4-19 10:24