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。! C4 c+ |9 j; }. G$ l( z
高手给指点指点。(等分数是随机，不定)3 Z k1 g7 I8 u1 l* J, A4 E- I
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(defun c:chilun()& I! l, }% _3 r/ N
(setq cen1 (getpoint "\n 中心点:"))
4 ^" s# K8 q/ U2 j7 y$ C( O (setq rr1 (getdist cen1 "\n 大半径 :"))
2 ?! M3 \7 j$ P0 O (command "circle" cen1 rr1)' Z7 g7 R i' Z, v* d$ r: i
(setq en1 (entlast))8 T. V' t* E: Q N. e% V
(command "circle" cen1 "d" rr1)
" b" @0 T6 y. g( q% ]2 ~# b (setq cen2 (polar cen1 0 rr1))
) x7 o/ b* N- Y8 t6 z (setq rr2 (getdist cen2 "\n 小半径 : "))$ P/ \- l) F' V4 }" b/ G
(setq nn (getint "\n 等分数 : "))% s3 n0 j* k, k/ w ]
(setq ang 0 ss (ssadd))
. e# _/ l* I# i2 u- F (setq angdd (/ (* pi 2) nn))
" I$ U, ~ Q3 d (repeat nn8 u. P" H f4 V7 A C w$ H' ~
(command "circle" cen2 rr2)4 z' W. z& V. {* c" P% n: m
(setq ss (ssadd (entlast) ss)), N# r) w7 O6 l1 `
(setq ang(+ ang angdd))4 g8 a4 ]: S7 ^8 y! h+ u# g
(setq cen2 (polar cen1 ang rr1))
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(setq ang 0)$ L4 p* y/ K7 z3 F( j& d& ^
(repeat nn1 S; A5 t7 d* {) g/ z& O
(command "trim" ss "" (polar cen1 ang rr1 ) "")
8 D- z+ y, O# o" m% L1 W( A& a7 D (setq ang (+ ang angdd))
1 P7 v l$ L( N4 j) v9 Y )
* P1 e8 X2 {# e9 H3 f, A (setq ang1 (* -1(/ angedd 2.0)) ang2 (+ang1 angdd) ang 0)
3 b" B5 O8 R8 |8 y6 l9 v* ^/ f (repeat nn6 o( k" @! a% V3 D
(command "trim" (polar cen1 ang1 rr1) (polar cen1 ang2 rr1 ) "" (polar cen1 ang (-rr1 rr2)) "")
3 a+ D& O, Z7 ~& Y( L$ \ (setq ang1 (+ang1 angdd) ang2 (+ang2 angdd) ang (+ang angdd))& \2 a- c& ^# `6 V
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(prinl)
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发表于 2011-8-30 11:43