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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$ E6 A9 D; B$ Q* ?
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/ k7 }: t5 q& g4 [( o2 y(defun c:ra( / lt txt bas p1 p2 p3 p4 ang tang len os )
, ?8 V8 i9 d7 l$ u7 u( a(setq lt (getvar "ltscale")) : v* f" A! _; W5 ^( B
(setq txt 3.5 2 Y" c$ v1 k( k5 C$ r* N. H
p1 "" )
" c, M0 V, k$ e) L) H(graphscr)
; p, E/ }$ [4 h(setq os (getvar "osmode")) 6 i6 }3 f. ~0 s) Z* t4 O
(setvar "osmode" 0)
& q3 G3 }1 f; M) h& |! Z, x(if (not ra) (setq ra "3.2"))
" b9 g# T5 i/ i* y0 y( N(while p1
3 Z4 h$ m. O9 \3 m(initget "A B C D E F") 5 n0 P1 U- [) Q! S# }" R6 E
(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 >: "))) / {7 t1 @" a' T& {! k
(cond 2 k V6 o' F3 ]0 R5 h/ @% t
((not p1))
" c& ^$ }$ E- \0 q; l# Y3 H((= p1 "A") (setq ra "12.5"))
9 @+ @: ]) m' E% p8 n" @2 ~((= p1 "B") (setq ra "6.3")) - H: `, f1 i5 b% v0 O& E
((= p1 "C") (setq ra "3.2")) " q8 N0 I# ?2 e9 o5 b
((= p1 "D") (setq ra "1.6"))
" g) h" t3 K! Q2 X; J((= p1 "E") (setq ra "0.8")) 1 o1 }. A m: M: U2 c7 i8 V4 C
((= p1 "F") (setq ra "0.4")) 7 P8 B+ R$ G0 a; @ @9 |
(T
5 Y, z6 j' ^, G F: } (setq bas (osnap p1 "nea"))
' w( G' A, l% u- \/ Z& M. S, G% K (if (not bas)
* ~! r! P( l4 r (princ "\n 未选到目标 !") 6 w/ L' R; a( q% u. K# S3 X
(progn . \3 q9 |" h& {
(setq ang (- (angle bas p1) (* pi 0.5)))
1 z5 p. f* k, a& W J (if (< ang 0.0) (setq ang (+ ang (* pi 2.0)))) , ^6 E1 `3 l! C# J
(setq len (* 1.6166 txt lt)) ; Z$ s4 X. K/ d$ r5 \# \0 L
(setq p1 (polar bas (+ ang (/ pi 3)) len)) " t: e* _( M; p1 V+ n4 d' k% B2 ?
(setq p2 (polar bas (+ ang (* (/ pi 3) 2)) len)) , i3 h2 R7 K' R
(setq p3 bas)
+ R Q0 J6 Y% |0 ~4 s/ B (setq p4 (polar bas (+ ang (/ pi 3)) (* len 2)))
5 P5 Y4 z+ p7 T* n# L6 ]* I (command "line" p1 p2 p3 p4 "") $ x( t: v; G% ~/ V, L) L! W
(setq p1 (polar bas (+ ang (/ pi 2)) (+ len (* (/ txt 2) lt))))
4 h9 B2 ]) v6 y (if (and (> ang (* pi 0.5)) (<= ang (* pi 1.5))) . U! B% F. y2 P+ d
(setq tang (+ ang pi))
6 _$ {4 X) Y: d5 g (setq tang ang)
1 V! l, o, L* b0 k& s% D; ] ) - v8 U) \8 P D9 T
(setq tang (/ (* tang 180) pi))
+ m& B- u& d. ] (command "text" "m" p1 (* txt lt) tang ra) 0 G' C1 h, Y# u' ? z# w
)) 8 G$ {( Q9 t9 e" f# a r5 F
)) # Q8 y5 \+ m! T9 j/ C
)
( q; z; s8 H* p' i- J! [ (setvar "osmode" os)
' t2 q" ]2 P9 x6 H (setq lt t)
: q! X2 R1 e$ H)
! k0 a% j. E0 F# F( D7 C7 j2 [- F" ~3 U O! k$ M" `
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