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发表于 2013-7-22 01:46:33
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来自: 中国吉林吉林市
本帖最后由 woaishuijia 于 2013-7-22 01:48 编辑
/ H8 `! k; [! w7 ~- (defun c:xy (/ p old_lay czy_p)
- S! t7 {2 E7 G+ A# N - (setq p (GETPOINT "选择中心点:"))
- h( D. A& F+ [$ m - (setq old_lay (getvar "clayer"))
x5 V' _+ X- b, K, B - (COMMAND "LAYER" "n" "center" "set" "center" "")
* p" u+ R2 {* x - (command "line" p pause "")4 Y; \! j! l8 L0 q; V
- (setq czy_p (entlast))/ \+ X; g8 C0 y- a/ p
- (command "ROTATE" czy_p "" p "c" "90")
1 x3 w, T( z1 |7 H& m - (command "ROTATE" czy_p "" p "c" "180")
6 b! X2 x6 s: o7 [. h! K+ \) @ - (command "ROTATE" czy_p "" p "c" "270")* e0 M, e% @# y7 } p
- (setvar "clayer" old_lay)
' p. u) K3 e% E% o5 _" W W - (initget 0 "u") ;定义关键字) L+ r2 b3 L! q) u6 |8 u5 {
- (if (= (getkword "\n确定或 [放弃(U)]:") "u");检查用户输入的关键字决定是否放弃
! a0 E- I, f9 y5 v% w% ]+ F7 \ l - (repeat 5 (command "u")) ;放弃前面5个命令的结果# `* |% z! u2 R. _( e
- ;;; (command "undo" 5); O. i- @$ ]; ], v
- )
% e! Z) ]9 t( X6 a. ^/ b1 ~3 A - (prin1)
) u# L7 l4 n: o! e) @ - ) ;绘制圆的中心线
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