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发表于 2009-2-11 23:17:10
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来自： 中国广东珠海
CAD的命令都在acad。pgp内，你可以把它改成方便自己操作快捷键，但一般不会改，0 f0 | k3 A3 Q J1 o/ f
如果要提高绘图速度，一定要勤练；
( C+ \2 }: \) s1 L1 d# _另外一些lisp程序很实用；
/ K; a8 d t0 M; ^) G1 T& r开始绘图自己编写的，( p* c/ `; V+ `+ p! g! V
(defun c:xh()
; B+ Z1 v. u M5 G, y: t& h (setq cmd(getvar "cmdecho"))
6 G! u5 ]% y% Z: x, E2 R (setvar "cmdecho" 0)
% G7 ~/ ]) Z" P1 V n (command "_xline" "H")
# L7 B2 {) q% U5 g! R! Z (setvar "cmdecho" cmd)
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% [; d+ G, `) U(defun c:xv()+ H$ Q9 N" w5 x/ n) q
(setq cmd(getvar "cmdecho"))3 p- e+ W( V1 c! L( Y
(setvar "cmdecho" 0)$ Q. q1 N8 @ J* k) W
(command "_xline" "v")
; b7 \- y/ R, H9 e0 f1 R: C (setvar "cmdecho" cmd)% i" l+ k- k5 D+ ^' i' K
)
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(defun c:xaa()
* L- Y+ L7 b2 g8 E0 H4 k" Z7 m; V (setq cmd(getvar "cmdecho"))
. @0 d: i* W. H (setvar "cmdecho" 0)
7 N3 R& l# }9 p" C2 {0 U; P: \ (setq ang(getstring"\nPlease input angle:"))- C h+ B5 E/ I+ ~* q9 {: V: L
(command "_xline" "a" ang)
; ^) O8 e6 e$ E' M% ]' X (setvar "cmdecho" cmd)
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(defun c:um(), } C+ s) M% @0 P1 n: ^
(setq cmd(getvar "cmdecho"))5 M0 b: n1 v0 E8 I
(setvar "cmdecho" 0)
+ F9 s, f/ W1 [( t (setq pt1(getpoint "\n pls pick origin:"))8 |* l0 V( E {0 Z" H* A
(command "ucs" "m" pt1)
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(defun c:uz()
' m5 Z- l5 Y& Y f+ y0 E, B2 N (command "_ucs" "z")) O1 ]" K% i& c; y& }. o" O" K! m
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" g1 I5 ?& [8 X+ i5 g# [. A(defun c:uw()0 p& ]. F' U0 r2 _/ b
(command "_ucs" "w" "")- l1 b4 i: u3 D9 q
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z7 n5 I* n; f0 n
- T; c2 u+ b9 c' f; Q: d(defun c:trr()- C2 ^, \ H1 J& |( X, U, w. W) g
(setq ss(ssget))# J( f9 C! y( K8 n) }9 P: t) N% Y
(command "trim" ss "" "f" )( O; b5 N9 y# _" m: A' y
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' Q" V( k, a/ A8 |, |) w/ A(defun c:exx()+ \8 F- l8 b } ^" n* R
(setq ss(ssget))
( [+ m- b5 p3 D; _, r5 { (command "extend" ss "" "f" )2 u8 ?0 s3 a- ~( a4 x
)
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解释：
& P0 S6 `9 ?( @ Q7 T- zxh 水平线；XV垂直线；xaa 斜线，要输入角度；um 移动坐标原点；uw 设定坐标系为世界坐标系；
8 \4 Y4 Y: p: Y) _1 ztrr 多线裁剪； exx 多线延伸； |
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