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本帖最后由 476966986 于 2011-11-11 11:18 编辑
8 a5 p, O5 Z; o- c. r* G# `/ t: q: I
(defun c:62-12()
{( q* w5 A" H1 F5 `9 m (setq cen (getpoint "\n请输入中心点的位置")) " G& \( B- u* D1 d
(setq rr1 (getdist cen "\n大圆半径: "))" k" ]8 p% r6 A7 G. X
(setq rr2 (getdist cen "\n小圆半径: "))
$ H) r X) n U/ U- ^; I(setq nn (getint "\n重复几次 <8>: "))
7 S( L+ K, P, }5 g( }(if (null nn) (setq nn 8))
z! {8 G0 \7 \3 G2 x* n0 h- I! M (setq p4 (polar cen 0 rr1))
/ C4 Y7 |! O6 H( O) i (setq ang (/ pi 0.5 nn))2 Z3 `5 t# R( W
(setq rr3 (/ rr2 2))- |" a$ F- G4 U( e3 S
(setq hh (sqrt (- (* rr1 rr1)(* rr3 rr3))))
+ c; q& N4 m! x1 G5 ^( B (setq ang1 (* 2 (atan (/ rr3 hh))))
) l) X9 Y# s8 C. ~ (setq p1 (polar cen -ang1 rr1))
! I' x9 T4 ^( J6 q (setq p2 (polar cen ang1 rr1))1 {) T! h! E* W5 d
(setq p3 (polar cen (- ang ang1) rr1))
8 f4 O* d$ {8 R; f" c) X8 L+ o (command "pline" p1 "a" "ce" p4 p2 "ce" cen p3 "") C# C1 h' N3 a' x
(command "array" (entlast) "" "p" cen nn 360 "y")
( E' F) Z( }; R/ {' z) r+ e$ S, p (prin1)3 [* J/ W/ M; s6 `1 |8 q+ |' s9 [
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发表于 2011-11-11 11:00:55
楼主