苦菩提 发表于 2013-8-10 11:12 
9 ~1 u7 [ i; h% i1 g" l* z有没有画腰型孔的小插件啊 7 d. {* _3 i! x4 i$ {2 e
;;;画腰孔程序
* N$ P0 f S4 F) t, C+ G" P(defun c:yk()
) L# c8 [7 ^4 o (setvar "cmdecho" 0)7 a' X3 u2 H8 A3 T# S
(prompt "\n*****画横腰孔程序*****")
8 p$ C! N: F4 I- r. X (setq var (getvar "osmode"))
4 [) ~/ \, w3 O. f2 ?4 Q1 y$ M (setvar "osmode" 0) V0 c. d) O: e/ d6 ~
(setq lenth(getreal "\n请输入腰孔长度:"))
8 P1 a7 n. l& E4 O. e (setq width(getreal "\n请输入腰孔宽度:"))
; Q3 B: R3 t8 E4 @ (if (<= lenth width)
" N3 z- e0 y1 n8 o7 C (progn
$ |1 T1 m+ E1 B( X% c) i) c- X (princ "\n腰孔宽度小于长度,请重新输入!")
) U/ Y& U' m. a: r6 L (setvar "osmode" var)
1 h* z V5 m( V/ \4 C5 H' {" t4 F1 V (exit)4 E' |) U5 J/ }2 Q( S& q
)
- `5 c8 \2 S" ^5 B9 c2 } )% i" Y# H# m8 E
(setq p0 (getpoint "\n请指定中心点:"))* G% B6 l) ]/ T0 |+ D
(setq LL (/ (- lenth width) 2))
6 x, q2 l% m: s: s: X" v7 D; D (setq WW (/ width 2))
- o) M. h. K, u2 o" u% w (setq pz0 (polar p0 pi LL))
# x* ^2 {3 y* x (setq py0 (polar p0 0 LL))
$ y0 S8 e% g) h: V9 G- _$ |) `/ p (setq pz1 (polar pz0 (/ pi 2) WW))
5 M, ~1 f+ o' x$ C' [! L (setq pz2 (polar pz0 (* 3 (/ pi 2)) WW))
9 m0 |2 j3 }( H! d( z M3 ] (setq py1 (polar py0 (/ pi 2) WW))
( j" D ?8 e0 D6 L (setq py2 (polar py0 (* 3 (/ pi 2)) WW))3 P5 m! I5 d- t2 h% Z @" Z
(command "line" pz1 py1 "") E8 |' d5 v. E8 \
(command "line" pz2 py2 "")
- v2 ~9 g0 U7 _- h2 r (command "arc" "c" pz0 pz1 pz2)8 G$ \" ?+ u0 o+ j% T8 \, U
(command "arc" "c" py0 py2 py1)
1 Y+ J8 u! C* }, B (setvar "osmode" var)) `& f) Z! W6 S3 a t
(princ)- C v2 e0 w! V
)
1 L7 v$ o; G. ]4 r) I
6 ^6 K2 Z$ M6 k! k" n |