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。
+ Q( u: D; K2 ~2 v高手给指点指点。(等分数是随机，不定); a4 s5 L6 G' ]( z7 {. C, ]
/ Y' B- y5 n8 R, q
3 ]/ j% w5 W5 P* R$ s D( a2 [! Q) w9 ~
(defun c:chilun(), d$ X( }3 y5 @
(setq cen1 (getpoint "\n 中心点:")): G! F; y k" _" W
(setq rr1 (getdist cen1 "\n 大半径 :"))' z; P: l; o8 C) e6 t
(command "circle" cen1 rr1)6 ?# i- \% U2 q- U9 v) e
(setq en1 (entlast)) I8 H3 X. F% U" e: ~! f, T
(command "circle" cen1 "d" rr1)4 A4 ~, j4 g# |8 ?# \
(setq cen2 (polar cen1 0 rr1))3 L( S4 N! F* } j0 ]8 [" U
(setq rr2 (getdist cen2 "\n 小半径 : ")). i ]4 \5 F+ W- J" ~9 z9 l
(setq nn (getint "\n 等分数 : ")): C5 m o3 o) O; v. N
(setq ang 0 ss (ssadd))
) S9 g/ u- h/ [$ l$ } (setq angdd (/ (* pi 2) nn))
9 X0 r& _4 X3 C, o0 B- W9 ] (repeat nn
1 a) ]1 G* F" X* n8 L" ~9 k1 z# u& U (command "circle" cen2 rr2)2 C2 ^# H1 _3 Y1 D7 n# ?& X' ^
(setq ss (ssadd (entlast) ss)) \# U/ j- E, @! z& l# f, Y3 I
(setq ang(+ ang angdd))
; E# Y7 `; |1 B7 h& a (setq cen2 (polar cen1 ang rr1))
, ?! _7 K" U# s, B$ A* _ )
4 R4 }- E5 _( i+ A u7 T! |9 I& g" \ (setq ang 0)' b+ \6 S6 K" p, E& l& M
(repeat nn+ f8 W6 z( L6 Z* p9 \
(command "trim" ss "" (polar cen1 ang rr1 ) "")
- c6 r ?. K: H+ c1 w (setq ang (+ ang angdd))
+ V/ \* {2 j& @6 ? )
' o# I) F# M: p6 v l (setq ang1 (* -1(/ angedd 2.0)) ang2 (+ang1 angdd) ang 0)/ t7 e) w. ~ O2 y H7 c
(repeat nn! H! i0 N1 e" ?; y$ z* [
(command "trim" (polar cen1 ang1 rr1) (polar cen1 ang2 rr1 ) "" (polar cen1 ang (-rr1 rr2)) "")4 w# P* q" e: _) p! R
(setq ang1 (+ang1 angdd) ang2 (+ang2 angdd) ang (+ang angdd))9 q3 I1 Q1 h+ q$ o
)
2 `% ?+ y% o$ ?; f(prinl) 7 g/ h; R. A! U7 f% {. p
) |
发表于 2011-8-30 11:43