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本帖最后由 476966986 于 2011-11-11 11:18 编辑 , `% C& X! }4 ~+ a* S1 ~* S
3 f. P" [, D0 i( u6 z! o* l(defun c:62-12()
2 i/ R* U) k1 x3 g8 } i/ o9 j# v (setq cen (getpoint "\n请输入中心点的位置")) `3 [0 H% `& D2 M' M* C3 ?
(setq rr1 (getdist cen "\n大圆半径: ")), y4 G/ A! {" m4 C9 y
(setq rr2 (getdist cen "\n小圆半径: "))' ?1 r* c8 F3 j7 ]1 R, b1 m
(setq nn (getint "\n重复几次 <8>: "))
7 }8 t h D" \(if (null nn) (setq nn 8))" K* W) B( V" S& M; I6 F) c9 L
(setq p4 (polar cen 0 rr1)) G5 N/ D9 \9 M3 H
(setq ang (/ pi 0.5 nn))$ e" v# p. b7 ?: k! o# \1 w: J
(setq rr3 (/ rr2 2))6 R7 H: A, o# V; x
(setq hh (sqrt (- (* rr1 rr1)(* rr3 rr3)))) c' h% t @5 _/ q
(setq ang1 (* 2 (atan (/ rr3 hh))))
1 \8 \ y8 K' r V+ R, G (setq p1 (polar cen -ang1 rr1))0 e; Y0 @% Z1 z3 P
(setq p2 (polar cen ang1 rr1))9 Q0 N+ E9 K; ~
(setq p3 (polar cen (- ang ang1) rr1)), O0 D$ c6 H7 m. N A2 z
(command "pline" p1 "a" "ce" p4 p2 "ce" cen p3 ""); @ }& r+ ^5 n- R
(command "array" (entlast) "" "p" cen nn 360 "y")
0 X" I2 I0 ~- p( P (prin1)
3 F/ x7 f$ u- [) K* Y, ~1 f ) |
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发表于 2011-11-11 11:00:55
楼主