苦菩提 发表于 2013-8-10 11:12 2 O( a% y0 J5 x8 o! {$ S
有没有画腰型孔的小插件啊
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(defun c:yk()* i+ B4 f& A/ L5 s6 v! A
(setvar "cmdecho" 0)
. Y8 x/ u1 U/ V$ }0 \# U$ N, [( \8 ? (prompt "\n*****画横腰孔程序*****")2 \, N' s5 A t7 p
(setq var (getvar "osmode"))" F y1 W7 T0 |5 \! L- B
(setvar "osmode" 0)
8 ]+ G, }9 s4 f7 v1 K (setq lenth(getreal "\n请输入腰孔长度:"))
; k8 Z# U6 \, c7 M (setq width(getreal "\n请输入腰孔宽度:"))
, F( U2 j3 c7 e/ @# F (if (<= lenth width)
; P# w0 X% J' c; H) Q. D6 V2 N6 X (progn: i7 d+ V; Z" k- v- W! r
(princ "\n腰孔宽度小于长度,请重新输入!")) q% y& K5 F5 ?
(setvar "osmode" var)
8 d7 a6 I0 i8 v8 ?- b% v (exit)( J: z1 a* ?- y: v p, C7 E2 P0 m
)
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(setq p0 (getpoint "\n请指定中心点:"))/ W& j& R/ f( }* G% ]
(setq LL (/ (- lenth width) 2))
6 C/ J. L. U2 s2 I (setq WW (/ width 2))! ^4 P7 E4 t; `" Q$ U! Y
(setq pz0 (polar p0 pi LL))
5 g8 t5 a: ^9 B6 {' f1 I (setq py0 (polar p0 0 LL))2 H/ S" g& o5 {) c
(setq pz1 (polar pz0 (/ pi 2) WW))
/ v/ @$ d5 c* q' e# N (setq pz2 (polar pz0 (* 3 (/ pi 2)) WW)): J( t* x/ o8 V, L: o2 [+ [
(setq py1 (polar py0 (/ pi 2) WW)). i( i K" n; [$ n: ~% q
(setq py2 (polar py0 (* 3 (/ pi 2)) WW))$ n! z& _3 J0 O
(command "line" pz1 py1 "")% X+ n. |+ J8 w! @5 s
(command "line" pz2 py2 "")
- P7 D* f8 k4 ] (command "arc" "c" pz0 pz1 pz2)' f3 _3 h3 m6 n2 V }. d
(command "arc" "c" py0 py2 py1)7 ]. I' y- n8 p
(setvar "osmode" var)
- e/ m" e6 e& j2 R9 Z9 ]+ d (princ)4 }' n2 D: U6 o
)
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