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发表于 2015-9-10 17:17:35
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显示全部楼层
来自: 中国广东东莞
(defun C:wjx (/ ss cc pc p0 p1 p2 p3 p4 a t0 tt r0 r1 r2 r3 r4)
! }, N) S* z" [- r (setq ss (getvar "OSMODE") 5 i1 W# u1 r# X! R, Q7 {- J
cc (getvar "CECOLOR"))
: ^3 ^; I, ~* g. i8 m3 i (setvar "OSMODE" 512) & W: C @) H c# a/ T
(prompt "\n先画圆:采用圆心和半径式")
5 M ^% s7 d1 n2 O K0 |( {! B3 Z! P1 I (setq pc (getpoint "\n圆心") & S6 e0 ~9 J' ~% r
p0 (getpoint "\n圆周上点"))
1 i7 V" G, S! h (setq r (distance pc p0))
( v. i" |1 K8 a5 X (setvar "CEcolor" "red")
8 M8 G, P: {; i (command "circle" pc r) * M+ B$ |7 t4 ?8 X) C; R9 \0 O' R" I
(command "hatch" "solid" "L" "")) c& t3 M( g1 {# X* n3 J
(setq t0 (/ pi 2)) ! p, P7 V; \. ^4 l2 e
(setq tt (/ (* 2 pi) 5))
8 [/ |. F9 \8 V( u5 {# Y (command "color" 2)
3 k5 @2 k7 X9 ?2 ~& L, F) g+ n/ ` (setq p0 (polar pc t0 r)
/ _, [/ T4 i' j0 d) I, d e Y p1 (polar pc ( + t0 tt) r), O1 T( Y9 j: O% u6 @- T
p2 (polar pc ( + t0 (* tt 2)) r)& n9 t( F! U: p" k' d( c" m, X+ c
p3 (polar pc ( + t0 (* tt 3)) r)
# t- _0 f+ Y Q p4 (polar pc ( + t0 (* tt 4)) r))3 \& I( V2 P$ S- x
(setq r0 (inters p0 p2 p1 p4)
1 O+ w7 `, q+ s r1 (inters p0 p2 p1 p3)
4 `- `+ Y: i/ K5 |' ]' m r2 (inters p1 p3 p2 p4). n1 L$ U7 p- m) C$ n" {
r3 (inters p0 p3 p2 p4)3 l$ h* ?) R5 l
r4 (inters p0 p3 p1 p4))0 S5 @! ~9 }+ G5 I
(command "pline" p0 r0 p1 r1 p2 r2 p3 r3 p4 r4 "c") 7 X6 O( k. n9 G6 [, ^
(command "hatch" "solid" "L" "") ' g/ H+ a; F& V) _! @ o- y0 ^
(setvar "OSMODE" ss) # H6 \/ {5 s! A0 u4 ]: G- b% |" [
(setvar "CECOLOR" cc))( j7 v: n4 _& ^# s3 c
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