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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 P* C! L4 ]0 _, i2 T: K7 a- {
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(defun c:ra( / lt txt bas p1 p2 p3 p4 ang tang len os )
# x8 N! u+ Y7 T; R- x3 \(setq lt (getvar "ltscale")) - A: y/ c3 I6 ~8 Z/ p' ^8 {: _8 ]
(setq txt 3.5
$ w: k5 i6 j5 h- B4 ]6 Y. Zp1 "" ) $ N8 [( n4 u! ~$ O1 Y
(graphscr) 5 V1 n( @, `$ C: c+ A* h* m
(setq os (getvar "osmode")) 0 k6 a2 _5 x3 j: a* I) y! z) [* n
(setvar "osmode" 0) & X/ O8 z5 w5 W$ g) V1 n% h
(if (not ra) (setq ra "3.2")) 8 \# \7 \3 g m+ C" M. l
(while p1 6 m! d1 q" d8 h
(initget "A B C D E F") 0 J# |/ c9 |7 i0 G7 X
(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 >: "))) . f2 F5 |2 n% n* f/ P4 A% g
(cond $ Z- g, r8 s z
((not p1))
; ]6 V+ A. G+ F) r" _((= p1 "A") (setq ra "12.5"))
) U8 O: d+ R( R) ^5 I((= p1 "B") (setq ra "6.3"))
& H) @2 `: _ Z$ b( c! l((= p1 "C") (setq ra "3.2")) ; ^" [) p t5 s8 k. Y
((= p1 "D") (setq ra "1.6")) # C5 }4 Z V9 s% b( A
((= p1 "E") (setq ra "0.8")) " L. e& }/ u0 S4 ?: X
((= p1 "F") (setq ra "0.4")) & ]( s& z' X; r% f) j/ }
(T
" R {& D r3 G' a (setq bas (osnap p1 "nea")) - u; M9 k8 z h- g, r% B
(if (not bas)
' K$ T7 V4 o3 X! x6 U (princ "\n 未选到目标 !") " J9 ?& a7 e' H
(progn
8 l0 r, E, _$ D. |& e4 M (setq ang (- (angle bas p1) (* pi 0.5))) : d! X/ O, N% u5 a: b* d+ K' t4 V
(if (< ang 0.0) (setq ang (+ ang (* pi 2.0)))) ( W+ W1 C2 I( B
(setq len (* 1.6166 txt lt)) / n8 |/ f! B& C6 T
(setq p1 (polar bas (+ ang (/ pi 3)) len)) 0 ~* Q6 `( u1 @1 j- e e
(setq p2 (polar bas (+ ang (* (/ pi 3) 2)) len)) 2 W6 [' G8 o' I, c
(setq p3 bas)
' |7 {$ O1 O8 F (setq p4 (polar bas (+ ang (/ pi 3)) (* len 2)))
9 o* [7 V6 V5 D2 B/ ? (command "line" p1 p2 p3 p4 "")
# |; O) Q4 C8 P' {. ? \ (setq p1 (polar bas (+ ang (/ pi 2)) (+ len (* (/ txt 2) lt))))
1 y8 [! `& B. Q# X* M (if (and (> ang (* pi 0.5)) (<= ang (* pi 1.5)))
8 o0 @+ i% L) `# X (setq tang (+ ang pi))
+ l4 w/ j8 M3 X7 e8 V; r1 s/ b6 C (setq tang ang)
, |; F3 x1 P" x/ k )
/ S2 x8 p+ G+ {! s% T (setq tang (/ (* tang 180) pi))
]) r/ o7 V: o7 V* } (command "text" "m" p1 (* txt lt) tang ra)
* h& {4 L+ g% p. U2 { )) % s5 s, U" q8 G0 K( s% C; |8 B. o
))
+ K2 k4 s, ]$ a4 J5 d! Z ) 4 R2 P3 f5 _( X4 n, L$ t
(setvar "osmode" os) . h0 e& k6 q% w; |
(setq lt t) - o1 P% ?& J( f# o6 g( d
)
1 d0 d3 B, q9 H) Q- @' _& Y: ^& s- H5 M) e) e! G- I6 e" q5 F, [) j1 r
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