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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8 c# P% w1 }* @" K! R9 {3 h6 O8 t- v
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( p* l) n' F2 n(defun c:ra( / lt txt bas p1 p2 p3 p4 ang tang len os )
. w$ t! c3 ^ g5 E$ w(setq lt (getvar "ltscale")) 2 z: R- y* g- l+ e# p% n: Y! B
(setq txt 3.5 . K8 ^3 p- |' t
p1 "" ) / R1 n" G5 o" b( U; h4 X
(graphscr) : S' T; p1 \/ m6 x0 f' a4 @) c
(setq os (getvar "osmode"))
0 p0 E3 e0 `8 N5 F2 j/ z, i(setvar "osmode" 0)
; i* l2 I9 {' w4 O7 Q(if (not ra) (setq ra "3.2"))
+ |( T e3 `3 e! v4 G8 r(while p1
9 E9 @* O; b+ Q+ u* A+ b9 A* J(initget "A B C D E F") $ M, j: I( U ^ D# ?+ d* m& w/ U: h
(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 >: ")))
% E! K" F! X0 U7 A( U; ]% u(cond
3 s% m. e2 r. E1 v; w((not p1)) " j1 |. O2 o/ W( U( f5 Q$ ~3 ^
((= p1 "A") (setq ra "12.5")) & P4 `4 M) w7 p6 D
((= p1 "B") (setq ra "6.3")) 4 \1 b9 l1 G: ]
((= p1 "C") (setq ra "3.2"))
5 x( g% g0 y; U) d* O2 `((= p1 "D") (setq ra "1.6")) ; C0 h0 i5 K. y# E
((= p1 "E") (setq ra "0.8")) ' U; l9 S4 Q! K e
((= p1 "F") (setq ra "0.4"))
# m4 F [0 Q1 m+ c; Q(T , l; l( s1 y, r
(setq bas (osnap p1 "nea"))
( I. Z' T- n; d, l; n (if (not bas) 8 g5 b! v. S7 k) T+ a( `# N
(princ "\n 未选到目标 !") + ?5 @& R! h6 i2 ~
(progn
) x) `' \0 r) J( [6 P (setq ang (- (angle bas p1) (* pi 0.5)))
) u0 u( c% L3 D4 X# i9 s0 V (if (< ang 0.0) (setq ang (+ ang (* pi 2.0)))) * z; ~+ R9 F. v6 ~- h: R
(setq len (* 1.6166 txt lt))
b5 f& A4 w1 L+ r (setq p1 (polar bas (+ ang (/ pi 3)) len)) ; p' z* Y; j6 \. X! J( R
(setq p2 (polar bas (+ ang (* (/ pi 3) 2)) len)) M& {0 G4 V* M
(setq p3 bas)
+ }9 f- B6 M( d3 Q- S7 y (setq p4 (polar bas (+ ang (/ pi 3)) (* len 2)))
, F- r5 S: v( K* c& D! e (command "line" p1 p2 p3 p4 "")
7 V1 y3 E, d4 [/ q- z. n (setq p1 (polar bas (+ ang (/ pi 2)) (+ len (* (/ txt 2) lt)))) . Y. Y$ a+ ]6 c( I, ^6 V6 B
(if (and (> ang (* pi 0.5)) (<= ang (* pi 1.5))) - h( w" t2 h j) ?' h
(setq tang (+ ang pi))
: X3 s ?2 O& b, Z/ I: a" H (setq tang ang) 7 T6 N9 O* q8 \$ f! W) W8 `4 Q
)
. p Y6 k; e& w2 j (setq tang (/ (* tang 180) pi)) 2 P5 X$ ~! r R$ U2 H
(command "text" "m" p1 (* txt lt) tang ra)
6 h# n& z7 x" l; P1 _ ))
% S6 c6 b! o* P( Y5 B)) ' J& Q5 [, G9 N& V
)
; ^0 y" S) W' }* D( c (setvar "osmode" os) ' I% n; D5 q! C, `
(setq lt t)
1 W8 _ g3 w+ V" i9 G }' i, v)% _# f) b1 U1 e6 g& H
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