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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
/ }/ W, \( q7 E7 w' j- ^( H% y*********************************************************
' G8 j# {2 W3 b; l(defun c:ra( / lt txt bas p1 p2 p3 p4 ang tang len os ) 4 c( H- j) d+ V" j
(setq lt (getvar "ltscale"))
9 c; t- q- I1 q( h4 E4 N(setq txt 3.5 / x8 V" G# d4 W: e& w
p1 "" ) 9 u6 B$ P% {* |( q' y% E4 }4 T
(graphscr) * L1 {6 i k, g
(setq os (getvar "osmode")) : r( P1 h* j# |' p9 I6 G, C
(setvar "osmode" 0) 4 C& }& v; g0 e5 j, ^$ n7 [
(if (not ra) (setq ra "3.2")) ( G v; j+ P3 ]: Y# Z( x
(while p1
! X" V. U1 v* `$ Y, W' U7 B(initget "A B C D E F") / u# }) t8 w& 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 >: ")))
4 y5 [2 w* k9 c6 V(cond / |* r' N8 m- p. p- G3 L7 n% S
((not p1)) - h6 Q! y# i4 A8 |$ a5 ]1 @
((= p1 "A") (setq ra "12.5")) . }. q9 }$ x5 d$ H
((= p1 "B") (setq ra "6.3"))
0 f$ Y# Y" e* g2 _$ ?((= p1 "C") (setq ra "3.2")) / w/ M5 X0 \# m
((= p1 "D") (setq ra "1.6"))
1 _8 p6 e! ~9 I+ o: Z: @4 I+ X((= p1 "E") (setq ra "0.8")) 3 u" E8 t5 }; o D, z H/ s
((= p1 "F") (setq ra "0.4"))
# i d8 c8 T- P; O6 r(T % i `& B5 f3 X) a* s; w: [+ [1 g& E
(setq bas (osnap p1 "nea"))
' Z+ I7 L/ o8 Q; k- T0 i/ h3 H0 ] (if (not bas) / l) T) t8 T5 ^5 o5 I
(princ "\n 未选到目标 !") A5 M! ^( n9 M; z
(progn 0 M* g, L3 X. l% i$ V
(setq ang (- (angle bas p1) (* pi 0.5))) ) u$ H" x; ]1 y' Y9 o3 d
(if (< ang 0.0) (setq ang (+ ang (* pi 2.0))))
) F5 }2 y8 {' T" z/ v) h (setq len (* 1.6166 txt lt)) 1 c% L& t6 L1 k. W" p0 @/ X8 ~7 \
(setq p1 (polar bas (+ ang (/ pi 3)) len))
/ H& X- t7 X1 y/ r1 m (setq p2 (polar bas (+ ang (* (/ pi 3) 2)) len))
- U; N7 |+ ~5 _. H (setq p3 bas)
% c% k. W+ `( ?3 A+ I8 M& b3 o! j (setq p4 (polar bas (+ ang (/ pi 3)) (* len 2))) . O3 [' y7 Y" r. b! K! C* b. C8 f
(command "line" p1 p2 p3 p4 "")
# f$ c6 T" V. Z4 v! l (setq p1 (polar bas (+ ang (/ pi 2)) (+ len (* (/ txt 2) lt)))) 4 A, n7 G3 e1 e) B
(if (and (> ang (* pi 0.5)) (<= ang (* pi 1.5)))
% r* t( n3 r" Y$ \+ N (setq tang (+ ang pi))
& _* N( D2 u0 z0 i+ U9 B (setq tang ang) * x5 n1 }' H2 D% ~
)
, ~6 X+ ^! L3 F5 n* z( B (setq tang (/ (* tang 180) pi))
$ z( x8 F' I) ^7 n5 x3 ^8 y (command "text" "m" p1 (* txt lt) tang ra) ! e, y! d6 f/ Z8 W+ P7 Z/ F* O
)) 0 ]! O' S r$ Q+ W% {+ c! t2 F
))
2 f. k h! y& \4 b( B( I' y* V )
8 z0 }+ S( A3 F5 r/ f (setvar "osmode" os) , q8 g( X9 \8 Q+ W. P& P
(setq lt t) ; c/ n0 ^: b" u
)
: H7 n! E% O, j5 X) ~+ C/ M
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