刚开始自学，计划是做成这样，可是在剪切的时候并没有达到目标。 T+ x" m) Y- W/ o
高手给指点指点。(等分数是随机，不定)' ]1 j" D+ o c; N
% k* ^$ h9 l" Z( Q* V C7 P
( K, K8 I8 B5 Y! u% \
5 c, Q# [* G9 ~0 ?" i5 U" O(defun c:chilun()+ ~! @* U% t. M! L! m ]; `
(setq cen1 (getpoint "\n 中心点:"))
! S* n) P' [( i# T Y (setq rr1 (getdist cen1 "\n 大半径 :"))+ \7 B: v: z9 z
(command "circle" cen1 rr1)& R& b- I( {0 @- ^3 u- _+ G% I
(setq en1 (entlast)); R/ a3 q: t5 x1 X
(command "circle" cen1 "d" rr1), q" |! I3 O9 _
(setq cen2 (polar cen1 0 rr1))% {6 \2 g2 N' b$ l9 M% }- I
(setq rr2 (getdist cen2 "\n 小半径 : ")) A7 a0 W8 @/ e$ X& }4 z! ?
(setq nn (getint "\n 等分数 : "))
1 S( v P# W+ Y s (setq ang 0 ss (ssadd))
0 h- p. i% R5 I( i (setq angdd (/ (* pi 2) nn))
" i8 d$ M& G$ J. ?/ U% H1 Y (repeat nn+ b5 o; s+ V9 W8 T
(command "circle" cen2 rr2)
# J! H! C) E2 B (setq ss (ssadd (entlast) ss))
2 g" {8 t9 m* b, x4 j8 `. I (setq ang(+ ang angdd))
, K8 F# W: O1 E/ o2 b' d (setq cen2 (polar cen1 ang rr1))- o! s; z( r1 ?+ D) Z$ |
)$ a. u- q z% a% m% g9 B! E
(setq ang 0)9 l- v' k5 b: A; q$ W# q9 n/ f4 n+ Z" j
(repeat nn5 ]$ P, G V, q& B- ]
(command "trim" ss "" (polar cen1 ang rr1 ) "")
0 i2 ^3 ^( q) u+ P! N* N (setq ang (+ ang angdd)), |+ e( V. q+ l. _+ m
)
# f, X% r- y- ]% E (setq ang1 (* -1(/ angedd 2.0)) ang2 (+ang1 angdd) ang 0): @! h7 X% P$ N; [ \
(repeat nn- [" q+ Q9 `4 n/ M) Y, {4 i; C
(command "trim" (polar cen1 ang1 rr1) (polar cen1 ang2 rr1 ) "" (polar cen1 ang (-rr1 rr2)) "")
T+ \8 S/ U5 f' |& `6 W1 o (setq ang1 (+ang1 angdd) ang2 (+ang2 angdd) ang (+ang angdd))5 q2 @- H4 T; b F1 Z# e
)
0 J) G9 X' I' O" N( l) v, U(prinl)
7 y6 ` _8 f, F+ l6 S3 o) |
发表于 2011-8-30 11:43