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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
4 f. i& d0 ? t; Y5 U0 d*********************************************************/ y2 ?) |* c) c Y$ O
(defun c:ra( / lt txt bas p1 p2 p3 p4 ang tang len os )
4 X7 _: }' q$ ]) Y9 R2 Z& }) p8 [(setq lt (getvar "ltscale")) $ M2 T% R; \) }) ]
(setq txt 3.5
3 l+ e; ?6 b2 X4 D. b) I) vp1 "" ) ; x N" v( K. e6 p, g! b% r5 j$ B
(graphscr)
; A7 T$ y+ [) e(setq os (getvar "osmode"))
) k }/ o9 i6 u% O/ N3 l2 b$ _(setvar "osmode" 0) 7 u: c) z) ?2 M
(if (not ra) (setq ra "3.2"))
0 A1 t' s; X9 I/ s(while p1
2 f2 p2 m4 e" q2 N' [(initget "A B C D E F")
8 u. w- }. ]& o# p" `3 p9 T3 t' c(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 >: "))) 1 J" F s, ?2 n2 t( `* i5 {
(cond
5 p- m* Q0 _: L7 J* k: ?((not p1))
( q! P7 J" O) Z$ i( |: |! u((= p1 "A") (setq ra "12.5")) % L2 A/ W' {: J; `& W8 p0 k: {
((= p1 "B") (setq ra "6.3"))
' N; P7 g6 ]( s# U; P. V((= p1 "C") (setq ra "3.2"))
8 q4 x0 r1 ]* \1 @- g" k& ?- k/ [# R6 N((= p1 "D") (setq ra "1.6")) * C5 ?) a- c7 f% J6 \/ q, h8 ?
((= p1 "E") (setq ra "0.8"))
' C7 S# O7 V, I6 M((= p1 "F") (setq ra "0.4")) ; F% s0 I& K* B5 R8 V
(T
% z$ v! H6 h! L (setq bas (osnap p1 "nea"))
* e+ @/ g, u* B: d (if (not bas)
& A" [4 c- f, y J& Y. @ (princ "\n 未选到目标 !")
: W1 T. s; N+ u) ~+ M (progn ' W* i* I1 s+ ~; t
(setq ang (- (angle bas p1) (* pi 0.5))) ( }5 W7 \# \5 N: O2 @
(if (< ang 0.0) (setq ang (+ ang (* pi 2.0)))) 7 e) U4 w* P. K! s3 o& d
(setq len (* 1.6166 txt lt)) 0 T2 o7 `- x" \- a2 h' C* `4 ^/ Z/ Y+ @
(setq p1 (polar bas (+ ang (/ pi 3)) len)) ! z( W$ c1 A' C% z: L
(setq p2 (polar bas (+ ang (* (/ pi 3) 2)) len)) # N5 u; U9 \1 e1 b9 o+ ~+ L
(setq p3 bas) 6 H @6 }3 G: ?& b; N
(setq p4 (polar bas (+ ang (/ pi 3)) (* len 2)))
# l, ]9 P3 I, j; I9 t2 q7 n1 h (command "line" p1 p2 p3 p4 "") + w! J$ O5 ^4 n2 |6 g
(setq p1 (polar bas (+ ang (/ pi 2)) (+ len (* (/ txt 2) lt)))) / g9 A, y8 b+ `6 z/ _
(if (and (> ang (* pi 0.5)) (<= ang (* pi 1.5))) % ]$ Z' f6 C7 |( }' S/ ^& X& X
(setq tang (+ ang pi))
; _! q6 O7 W5 O" m9 Y (setq tang ang)
0 ~& U S( F; ` ) 4 |$ L! H w% ?$ n! \8 G
(setq tang (/ (* tang 180) pi))
$ W: z9 z1 z2 J7 } (command "text" "m" p1 (* txt lt) tang ra)
( b! L: P+ T: a$ ^ )) ! l4 }" Q9 q" `
)) ' b' U% H) p$ b- `$ ^
) 7 }0 `2 ]5 i: G; {1 g5 L0 U6 [
(setvar "osmode" os)
8 s# w. f; }3 ^: B/ ]; B. M (setq lt t)
" E& X% k0 l `6 _4 B)
* N+ x6 {4 f) h2 y5 K- B) ?6 ^: p% S) z2 k* x) y8 Y: }
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