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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' g c& j0 Q% r% `% Q6 R. t7 l
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(defun c:ra( / lt txt bas p1 p2 p3 p4 ang tang len os )
; L2 G/ N# Q! t! K. C% y(setq lt (getvar "ltscale")) & b+ g6 {4 q: n2 K. A
(setq txt 3.5
7 S7 c0 u' O& a2 I/ O5 t2 Z# {/ Gp1 "" )
4 j1 X9 m: `. h; G! x(graphscr)
8 W+ u% t* ~5 ?! x(setq os (getvar "osmode")) ' ?, `" J* g! O1 i
(setvar "osmode" 0) 4 ?% t+ m3 P7 }: d* I
(if (not ra) (setq ra "3.2")) |/ L& F3 h/ W* @
(while p1
' H5 _2 B- o' A- T: u2 ~1 M(initget "A B C D E F")
, s0 p2 |1 b5 |+ z& f% ^(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 >: "))) 2 Z0 {9 v! |- W& m4 p$ h+ ?+ r4 G
(cond ; X' p8 r# w4 K8 b+ Q; l0 {
((not p1)) @! S2 }8 ^) k$ r0 x7 c8 D4 w
((= p1 "A") (setq ra "12.5"))
; _# W2 ]) j6 D; \/ _((= p1 "B") (setq ra "6.3")) . K" d4 b1 s5 R* `. w. a( r
((= p1 "C") (setq ra "3.2"))
. x8 I' t! A* d6 G((= p1 "D") (setq ra "1.6"))
4 g! W, ]! A2 }" f2 C' H1 O((= p1 "E") (setq ra "0.8")) 0 _! w% V7 ?# I
((= p1 "F") (setq ra "0.4"))
3 f, v# x8 J; P(T
# B1 U$ Q' `( N* C (setq bas (osnap p1 "nea"))
# w" t7 e$ b+ ~- W/ w7 o/ @ (if (not bas) 2 p5 V* Y9 \3 H( ^' K" Y% i. d) B
(princ "\n 未选到目标 !") ; i0 g& Z% Q- W ]* ?' w
(progn 6 }5 R& N* I% p% `2 i6 O; U
(setq ang (- (angle bas p1) (* pi 0.5)))
5 O7 @! q# V+ b* F (if (< ang 0.0) (setq ang (+ ang (* pi 2.0))))
" ]/ S, W Q3 G4 G (setq len (* 1.6166 txt lt)) # x8 s4 s' [+ H8 t4 z4 e# Z- l
(setq p1 (polar bas (+ ang (/ pi 3)) len)) - B- E9 { c+ F `# t. |: H; P. S
(setq p2 (polar bas (+ ang (* (/ pi 3) 2)) len))
4 a \8 s2 ^: Y. d (setq p3 bas)
7 b$ @6 ?! h! }8 m% P( ~& I' T (setq p4 (polar bas (+ ang (/ pi 3)) (* len 2))) # R* ^( ?6 j2 J7 X
(command "line" p1 p2 p3 p4 "") , i" l1 y! N* E; l3 }6 p
(setq p1 (polar bas (+ ang (/ pi 2)) (+ len (* (/ txt 2) lt))))
: V# P# K/ |/ j4 i (if (and (> ang (* pi 0.5)) (<= ang (* pi 1.5))) $ O# W/ } ~9 g6 s0 C
(setq tang (+ ang pi))
/ B" S' e2 @: O. \# M5 { (setq tang ang)
! X5 M- ?1 R0 K% [/ d1 F )
/ h9 n8 n0 U% s (setq tang (/ (* tang 180) pi))
) @& ]' A4 C4 K( O) L (command "text" "m" p1 (* txt lt) tang ra) ! F8 `% p: Q3 y7 |# T* r& l
)) 4 `7 K" a' G% K; h ]
))
* n' O. s) A9 o# V )
" f) I" N7 g# B* Q (setvar "osmode" os)
) O$ B# a Z8 X& z2 V (setq lt t)
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