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(defun c:yzy( )
(graphscr)
(setvar "cmdecho" 0)
(setq a (getreal "帅锅，美女你好定义第一个圆直径:"))
(setq b (getreal "\n定义第二个圆直径:"))
(setq c (getreal "\n定义中心距:"))
(if (> a b)
(progn
(setq k a)
(setq a b)
(setq b k)
)
)
(setq aa (/ a 2))
(setq bb (/ b 2))
(setq x (/ (* aa c) (- bb aa)))
(setq aaa (atan (/ aa x)))
(setq d1 (/ x (cos aaa)))
(setq d2 (/ (+ x c 10) (cos aaa)))
(setq bbb (* 2 pi (sin aaa)))
(setq p1 (getpoint " \n指定初始位置:"))
(setq p2 (polar p1 0 d1))
(setq p3 (polar p1 0 d2))
(setq p4 (polar p1 bbb d1))
(setq p5 (polar p1 bbb d2))
(command "line" p2 p3 "")
(command "line" p4 p5 "")
(command "arc" "c" p1 p2 "a" (* bbb (/ 180 pi)) "")
(command "arc" "c" p1 p3 "a" (* bbb (/ 180 pi)) "")
(setvar "cmdecho" 1)
)
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发表于 2010-11-25 22:49:00
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发表于 2010-11-26 12:44:00
