苦菩提 发表于 2013-8-10 11:12
( X0 u) i# N) a7 F. @+ Q. E; v有没有画腰型孔的小插件啊 3 `8 n0 U- S3 d3 ]5 k) \
;;;画腰孔程序+ @ p8 C0 k4 V( y
(defun c:yk()
( \4 x# w* g5 J5 G7 \2 E$ |0 v% j# J (setvar "cmdecho" 0)
9 M: G. Q/ D/ M6 ? (prompt "\n*****画横腰孔程序*****") E. \! ~4 i( L) R1 Z
(setq var (getvar "osmode"))0 @/ z L7 u! B0 l# i
(setvar "osmode" 0)
6 w) z4 `3 v( u0 [ (setq lenth(getreal "\n请输入腰孔长度:"))
% w& _* J5 O. M& o (setq width(getreal "\n请输入腰孔宽度:"))
1 F8 `/ O- y# j" q. ?! A (if (<= lenth width) % h( U' b0 h- G3 d1 n8 g
(progn
. f- V- f4 A( D$ E (princ "\n腰孔宽度小于长度,请重新输入!")
3 E. j6 d1 {3 \/ P# u (setvar "osmode" var)2 ^2 `% x1 d- v# d n+ f6 i
(exit)7 q$ @( ^0 w7 A. d( m/ \
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(setq p0 (getpoint "\n请指定中心点:")); a7 Y5 Q, L' R* V
(setq LL (/ (- lenth width) 2)). b. M+ \+ ^( l
(setq WW (/ width 2))( A2 Z/ E$ a( S' {3 P: o+ h
(setq pz0 (polar p0 pi LL))
2 P6 r8 n+ e2 ~# L0 U/ I s (setq py0 (polar p0 0 LL))
+ ^* J" H; p+ Y' w% C: ?8 i3 X, f (setq pz1 (polar pz0 (/ pi 2) WW))
& U: A O+ \$ U# _( |2 O* D (setq pz2 (polar pz0 (* 3 (/ pi 2)) WW))# ?; u/ T4 S0 ^1 r }0 a
(setq py1 (polar py0 (/ pi 2) WW))/ T5 |' e: ]7 U4 ~8 `' m
(setq py2 (polar py0 (* 3 (/ pi 2)) WW)): [5 x3 }3 f8 Q* G% J
(command "line" pz1 py1 "")( s, K: {0 o- s5 z W1 T3 D
(command "line" pz2 py2 "")
]2 Z6 K. K6 M+ ?& ?/ G (command "arc" "c" pz0 pz1 pz2)
5 z- f- J( ^0 n" p/ G! V (command "arc" "c" py0 py2 py1)3 v b/ x1 |" m2 z% B& P7 R
(setvar "osmode" var); w5 y$ z7 Y* D( Q5 X- w4 U, K1 n/ M
(princ)3 J; c- U1 G4 I3 I
)
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