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发表于 2008-1-30 22:58:30
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来自： 中国江西九江
将下面*后的代码加在CAD2004安装目录下面X:\Program Files\AutoCAD 2004\Support的acad2004doc.lsp中的(defun C:ai_custom_safe ()这一行前面.然后重新启动CAD，输入命令ra就可以标粗糙度了.当然也可以加在其他的行上，但是注意不要破坏其他程序的完整性既可
3 z8 \/ ~6 A/ F5 h p: v0 S, P, u*********************************************************
0 G2 x! u+ K. ~) T) f(defun c:ra( / lt txt bas p1 p2 p3 p4 ang tang len os ) : n& x" T5 l+ X; M
(setq lt (getvar "ltscale"))
8 U5 [- q$ T# m(setq txt 3.5
1 t# p. N) d+ L: n0 Z7 np1 "" )
/ u5 P. d: [9 |) w9 q(graphscr) ( b9 S( m* y1 r. A l9 ~" A1 s
(setq os (getvar "osmode"))
' ?; O) K( W$ N8 C% W9 e+ a(setvar "osmode" 0) 4 |. _' X* d: A3 t) C" q/ I: g
(if (not ra) (setq ra "3.2")) 2 `) n2 i7 L. t
(while p1
3 ]+ k9 N0 G" v0 a( B- b(initget "A B C D E F") 3 I6 H% A' ?6 m4 t
(setq p1 (getpoint (strcat "\n 粗糙度 A=12.5/B=6.3/C=3.2/D=1.6/E=0.8/F=0.4 <Ra=" ra " 插入点 >: "))) 7 G9 h$ U0 f+ ^
(cond ' `' A- d0 n* z6 `8 L0 }7 q2 ]7 ^: J
((not p1)) , B/ X8 v1 A$ S6 M& Y6 r
((= p1 "A") (setq ra "12.5"))
5 M8 V9 ~. O- h6 X/ H1 Q((= p1 "B") (setq ra "6.3")) 7 O/ R# }, y. Z3 |& q( a# [" ~2 ?1 o
((= p1 "C") (setq ra "3.2"))
. |& v$ l0 @6 v J2 \((= p1 "D") (setq ra "1.6")) , k, z7 o9 g7 w+ F$ f
((= p1 "E") (setq ra "0.8"))
- t9 }8 B1 h: P; i! e1 I((= p1 "F") (setq ra "0.4"))
! f4 S: Q* ~5 @2 d0 z. `1 X(T 1 n' J, ?+ P I7 q
(setq bas (osnap p1 "nea")) 3 E3 S, \' n8 |
(if (not bas)
4 t3 S; F5 h# l/ @5 }6 E* ~2 _ (princ "\n 未选到目标 !") 1 U# T+ m* J6 b7 c7 g+ `" [3 o
(progn
$ Q- ^: i& [1 w0 S (setq ang (- (angle bas p1) (* pi 0.5))) 3 @3 c& t& \/ h1 q" h
(if (< ang 0.0) (setq ang (+ ang (* pi 2.0))))
5 V0 W C1 c) l2 f) z4 Y (setq len (* 1.6166 txt lt)) & U- C2 P. @2 W/ r+ }5 H) `
(setq p1 (polar bas (+ ang (/ pi 3)) len)) 9 Y: G) D/ {( L* a! y* d/ Z
(setq p2 (polar bas (+ ang (* (/ pi 3) 2)) len))
# V" K1 G* ~3 X4 {; g+ C* e (setq p3 bas) % V- z6 X7 l5 c: k
(setq p4 (polar bas (+ ang (/ pi 3)) (* len 2))) / H g' w: A8 }! r) b
(command "line" p1 p2 p3 p4 "") + U2 N9 G8 k) {" k) v
(setq p1 (polar bas (+ ang (/ pi 2)) (+ len (* (/ txt 2) lt))))
! e- t3 h* ^# V' }3 m5 I* ?+ m (if (and (> ang (* pi 0.5)) (<= ang (* pi 1.5)))
4 k3 r; ?4 ~& T3 r6 R (setq tang (+ ang pi))
9 b: u1 y3 { V (setq tang ang) 3 W4 T/ x) |/ w- S. t+ f. ?
) # z2 e% O8 Y1 z/ ]8 m6 w
(setq tang (/ (* tang 180) pi)) 4 Q8 D4 B! ~$ ^, D8 e
(command "text" "m" p1 (* txt lt) tang ra) $ n+ y- K+ V% e) }( E- W: I& d
)) - f8 [. I8 t* o3 V
)) + F( |! V1 U7 E: C* |
) ! F: ]1 \4 B( q
(setvar "osmode" os)
! `: {, t7 [% @1 V (setq lt t) |' R' K0 m3 y9 t t, o+ h" q% d
)
; F6 S$ }. o( B5 T7 m7 R" j/ i" X& z- N- _
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