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。
$ Y: a- ~$ [' f3 U( H( O/ m高手给指点指点。(等分数是随机，不定); W3 ~2 t! M3 x% h+ ~5 k( r# \- Z0 F
5 y4 e1 \; K; p9 L
7 i/ F. H8 W1 ?, Y2 d5 l: r" |
1 Q" X p1 \& u" e' `(defun c:chilun()! N7 t% w1 w8 h8 }# D' a: k2 d. ]
(setq cen1 (getpoint "\n 中心点:"))
" s l' e6 O- P9 `8 H( n (setq rr1 (getdist cen1 "\n 大半径 :")); _5 C6 ]# Y1 e# Y- o9 c1 Y
(command "circle" cen1 rr1). c+ N* I# @/ G4 i6 L, }
(setq en1 (entlast))
/ M- ^" ], J6 w, g (command "circle" cen1 "d" rr1)
+ |* D& `" W7 b# U* | (setq cen2 (polar cen1 0 rr1))3 i8 y4 i4 I# ]/ I8 w3 S# b2 k
(setq rr2 (getdist cen2 "\n 小半径 : "))
, D: Z: N- j6 h4 R/ N (setq nn (getint "\n 等分数 : "))% [" b( U7 K. W1 t f3 N
(setq ang 0 ss (ssadd)) d" @/ D, y% s9 a' z" q/ ^! I" P
(setq angdd (/ (* pi 2) nn))7 N8 F" E% ~+ S
(repeat nn# z" i6 z5 N& S. L$ d, @+ U
(command "circle" cen2 rr2)
: O* z9 q6 [* L. C$ W (setq ss (ssadd (entlast) ss))8 u( g: [ d2 Y. Z0 e; h4 i
(setq ang(+ ang angdd))
' W* u9 Z+ m( Y% i' r0 J (setq cen2 (polar cen1 ang rr1))( C$ Q1 T) w' {( [; h
)
* X% O9 Y1 Z1 ^" l0 Y (setq ang 0); v) V! k3 D5 @ n# A, G, _3 Z
(repeat nn" `5 o7 N$ k/ T O7 p2 O
(command "trim" ss "" (polar cen1 ang rr1 ) "")
+ A$ M6 B: b6 B' d$ z (setq ang (+ ang angdd))
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(setq ang1 (* -1(/ angedd 2.0)) ang2 (+ang1 angdd) ang 0). ^; Q; F0 ~, `4 j& U9 \
(repeat nn
! z/ E% n; t% O8 n4 c (command "trim" (polar cen1 ang1 rr1) (polar cen1 ang2 rr1 ) "" (polar cen1 ang (-rr1 rr2)) "")" V7 b+ G: S4 T
(setq ang1 (+ang1 angdd) ang2 (+ang2 angdd) ang (+ang angdd))
4 i/ n/ H6 T P, [* N )# d+ f# x+ |, o* C1 F
(prinl)
0 c2 _/ R6 c( x) o2 C: u- T) |
发表于 2011-8-30 11:43