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发表于 2010-9-14 19:25:49
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来自： 中国江苏无锡
本帖最后由 woaishuijia 于 2010-9-22 09:54 编辑
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5 d; i2 Z( d: C8 |7 w4# SunVei
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- (if (setq a (getpoint "点取斜线长度和方向 <回车确定>"))# m% V6 v2 d, E
- (while (= (car (setq gr (grread nil 5 0))) 5)4 ~ N! k/ V& o, E
- (redraw)& @) m6 a: [6 W' j8 ~7 {2 e
- (setq b (cadr gr))
+ K+ M, Y5 S2 B8 Y: Q( ]7 p - (grdraw b a 1 1)
3 |4 S# ~! h5 Y3 {, n4 w& ~% r - (setq ax (car a) ay (cadr a))
2 r0 i- C5 L+ u c+ [, k! {" ` - (setq bx (car b) by (cadr b))
3 L7 O' a9 ~8 E$ @% Q: M; K - (setq pnx (- bx ax) pny (- by ay))
& R3 F2 ]! |2 ?$ }) ~" Q - ;;(if (< (abs pnx) 5) (setq pnx 25 pny 25))/ Y/ D+ g4 l s. u
- (posmove2 ss (/ pnx 3) (/ pny 3))
- I- }# j& m8 `, V5 J - );;while& q: [4 f; M) z7 }: e; }
- );;if
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