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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
" V2 b) O2 F+ o;;可改圆的半径或比例缩放1 o8 x1 L' O1 k' R/ h3 p% }
(defun C:bj (/ SSET SC SC1 SSLEN NT)
1 }$ z* F3 I% h; x1 a+ z(while (= SSET NIL)
2 `6 \5 s3 c p9 h(prompt "\n选择要修改的圆:")
% Y1 F: _( R" }7 }(setq SSET (ssget '((0 . "CIRCLE"))))$ A, k t9 e6 {( P: D
)8 b0 Q% S9 e& [
(setq SC (getstring "\n输入半径(R)/<缩放比例>: "))
& M7 }9 z( ?/ F6 S2 b6 P: J1 J(if (= SC "") i4 f: Y6 ~( G2 h, |* L; J( H4 F5 i/ M
(setq SC (getreal "\n缩放比例: "))
; j( d' Z7 v* s5 @1 N y8 V(setq SC1 (getreal "\n输入半径: "))
& F y% y+ t. l6 ], i. N)
|6 {8 l2 ^% M D2 n(setq SSLEN (sslength SSET))
+ C7 r, L% h( A* ](while (> SSLEN 0)
3 N9 D q2 j5 S9 O(setq ENT (entget (ssname SSET (setq SSLEN (1- SSLEN)))))8 D5 X* J& }* g$ _3 X0 F
(if (= SC1 NIL)
; F& B# P5 [2 a! M, ]% p(setq NT (* SC (cdr (assoc 40 ENT))))3 U7 h" i3 v F4 F3 L
(setq NT SC1)2 h6 E9 C1 v! a9 p9 V- H: u# o
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(entmod (subst (cons 40 NT) (assoc 40 ENT) ENT))
) _2 K9 m2 @& N" R/ [)
3 D. b7 T* W7 `7 o$ R' z# }' }8 G- Y3 O(princ)2 }; ^( N9 v i- q+ ^* G$ h
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发表于 2008-4-18 22:27
楼主
发表于 2008-4-19 10:24