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。9 }8 b1 {9 m# S
高手给指点指点。(等分数是随机，不定)* i* \( N* }, {4 k/ b- e: Y6 b
, |; {0 U' l( m1 R6 ]$ r
' ` N! K) T/ }' A! H0 V
) X0 H: e7 T7 R9 ?2 @
(defun c:chilun()
: N/ T/ M6 S9 K) F6 X8 P (setq cen1 (getpoint "\n 中心点:"))
: A' W1 S0 m- h! A$ r: e/ A (setq rr1 (getdist cen1 "\n 大半径 :"))% r) l6 B5 U3 q) l' E/ F
(command "circle" cen1 rr1)
# Z0 w) b8 \0 `- z (setq en1 (entlast))2 ~) M) A$ C+ I# B
(command "circle" cen1 "d" rr1)" H4 `4 Q& e% S5 s H @2 l' m
(setq cen2 (polar cen1 0 rr1))4 C$ Y6 X) z; }/ O, K- Y
(setq rr2 (getdist cen2 "\n 小半径 : "))* G- @0 \4 a" v5 {* Q
(setq nn (getint "\n 等分数 : "))
, F' {6 ]3 p+ k$ e9 q& V; _4 E) P (setq ang 0 ss (ssadd))
8 D7 G/ s1 U" I (setq angdd (/ (* pi 2) nn))
# W% B; o, D, ^9 v o; v2 O) x (repeat nn! g( f9 T3 ?0 I. m5 E0 e
(command "circle" cen2 rr2); o. `: m3 H& m- g8 s$ U
(setq ss (ssadd (entlast) ss))
9 r6 S+ i# o; F* r: k7 H (setq ang(+ ang angdd))
2 w A" a+ c. L0 R (setq cen2 (polar cen1 ang rr1)); R$ u; j* I1 a0 H, i
)3 D; G4 y9 F0 w1 R4 m Q# K7 u
(setq ang 0)
. d8 J! u$ K4 V7 n- }2 t (repeat nn
8 o; l: [: y a/ A o- p8 u" f (command "trim" ss "" (polar cen1 ang rr1 ) "")$ @+ w; w0 A( g% X m6 @
(setq ang (+ ang angdd))( D" z @0 m& r! h" u2 S
)) \! ?% W6 O* e) m0 s4 p3 l
(setq ang1 (* -1(/ angedd 2.0)) ang2 (+ang1 angdd) ang 0)
2 H& ^1 p- l9 C1 r1 w) g2 C4 k (repeat nn1 `' S2 M3 K0 H! i
(command "trim" (polar cen1 ang1 rr1) (polar cen1 ang2 rr1 ) "" (polar cen1 ang (-rr1 rr2)) "")
, a$ Y( R" F0 c) W9 Q (setq ang1 (+ang1 angdd) ang2 (+ang2 angdd) ang (+ang angdd))
9 ~/ t; A0 P4 u |. j )
6 T( D9 O4 h- R5 t- ](prinl)
/ H3 L1 a3 o& w% F7 G. }0 i q" P4 Q7 B) |
发表于 2011-8-30 11:43