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。# }# S% Z/ A @
高手给指点指点。(等分数是随机，不定)2 o, q3 w+ p0 m0 s0 \; L5 c
& H2 H' U1 ^, y$ D
?: U( y1 b3 u: s4 ^" `$ K! @% v$ t5 s3 B* Q# q. C
(defun c:chilun()
+ {/ _* j- }6 l9 \/ j. x (setq cen1 (getpoint "\n 中心点:"))
: a# o' a4 y7 ^$ {8 R4 _% j2 k (setq rr1 (getdist cen1 "\n 大半径 :"))
) ~: R; h4 U, s& D" C0 B (command "circle" cen1 rr1)' W* L( W+ N9 |# }. m
(setq en1 (entlast))
- Q/ ?; k+ ]1 c9 P/ S (command "circle" cen1 "d" rr1)
# w0 u/ K9 ?2 ^ (setq cen2 (polar cen1 0 rr1))
, J0 y+ G8 m: p8 z3 M (setq rr2 (getdist cen2 "\n 小半径 : "))9 t& S2 `3 o& @
(setq nn (getint "\n 等分数 : "))* S1 _! K( ~+ }' N6 P
(setq ang 0 ss (ssadd)); ~. n: f6 b# A0 ^7 c
(setq angdd (/ (* pi 2) nn))
9 N. q: o, M7 j" w* {4 R (repeat nn
# u! Z% ]/ f2 w- X (command "circle" cen2 rr2)
* [' l1 }, L% v5 G! L1 a (setq ss (ssadd (entlast) ss))
( f% p% Q8 m8 e2 ?7 K2 ^9 E# M! @ (setq ang(+ ang angdd))# g, ], c9 t2 p, |
(setq cen2 (polar cen1 ang rr1))
4 L' B$ [# `6 ~; b X )
( v0 S2 w+ k/ R (setq ang 0)
) I$ s- b, S! z (repeat nn
3 n2 `& L* `+ d8 b& a& J, i (command "trim" ss "" (polar cen1 ang rr1 ) "")( s* @ D4 i* |. H" v9 e
(setq ang (+ ang angdd))
- g4 m; U/ _$ }( b' H )( F: r( g8 G, `2 J: x! E
(setq ang1 (* -1(/ angedd 2.0)) ang2 (+ang1 angdd) ang 0), r! a: k! I' J* f% V+ H: Q
(repeat nn9 u9 E& Q. m0 `$ v
(command "trim" (polar cen1 ang1 rr1) (polar cen1 ang2 rr1 ) "" (polar cen1 ang (-rr1 rr2)) "")
8 A( j) J0 a9 o (setq ang1 (+ang1 angdd) ang2 (+ang2 angdd) ang (+ang angdd))& N7 u! j9 G) U$ Q W" L
)
+ G: U% ], b4 _+ J(prinl) $ i8 K0 n6 y Z% ~! U
) |
发表于 2011-8-30 11:43