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发表于 2007-11-29 22:41:33
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来自: 中国台湾
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;subroutine program. ~5 W8 f% t. P$ N
(defun dtr(ang)(/ (* ang pi) 180.0))
$ M% |5 t; g/ R Q& h(defun rtd(ang)(* (/ ang pi) 180.0))
/ e& ~$ f8 z2 x( y* X(defun tan(ang)(eval (/ (sin ang)(cos ang)))): w4 J% u4 J( D
(defun coor(s_pt delta_x delta_y)(list (+ (car s_pt) delta_x)(+ cadr s_pt) delta_y))
8 Z+ v R+ ]# y" i;main program
' {) O# `: L) f+ h6 y) ?(defun c:nut(), O; C: Y# b- [
(setq GP(getpoint "Base point:")
, H& [6 a! u& {- N6 i/ `& {L(/ (getdist "\n对面宽度(S):") 2)
$ d1 u, p- s: sT1(getdist "\n厚度(m):")# p* d7 p u- d) k, a# n9 ^+ H
L1(/ L (cos (dtr 30.0)))- ] U, D& {7 ]0 Z
L2(- L1 L)
8 A' t8 C2 }& p& e& [4 c F% DL3(- T1 (* L2 (tan (dtr 30.0)) 2))
- U' Y. _2 @; T/ \P1(polar GP (dtr 180.0) L) G+ X0 p8 W9 F/ e% M. G% d) g
P2(polar P1 (dtr 210.0)(/ L2 (cos (dtr 30.0))))- E4 Z0 s+ S- ]
P3(polar P2 (dtr 270.0) L3)
- R. t$ x) V+ q; E- q* E7 u: HP4(polar P1 (dtr 270.0) T1)
; f; m$ w0 e0 rP5(polar P4 (dtr 0)(* L 2))7 m( @! ~5 v+ n$ a5 z
P6(polar P5 (dtr 30.0)(/ L2 (cos (dtr 30.0))))
) W. q/ I6 i! p( b! ~7 p0 MP7(polar P6 (dtr 90.0) L3)
~3 Q D7 o% A. I& @. x& c* b' u3 {P8(polar P5 (dtr 90.0) T1), y( U% J: V- d% a/ c
P9(polar GP (dtr 0)(* (/ L1 4) 3))
$ \# C; @. O" U7 j: { cP10(polar P7 (dtr 180.0)(/ L1 2))# b! f# N5 P& U7 n7 C* K
P11(polar P10 (dtr 180.0) L1)# P2 I& M% _9 _2 W" |
P12(polar GP (dtr 180.0)(* (/ L1 4) 3))+ y9 F5 b9 G6 j2 B9 }& Q
P13(polar P12(dtr 270.0) T1)
7 x5 g8 d+ P% {% Z6 aP14(polar P11(dtr 270.0) L3)7 d0 h0 k5 b! a0 g$ d4 a! e, ?8 D
P15(polar GP(dtr 270.0) T1)
6 f1 E6 u! b" j- g; o; g5 A zP16(polar P10(dtr 270.0) L3)
$ Q; Y6 z5 U2 h S. o# J; AP17(polar P9(dtr 270) T1)
& { O9 ]; q% r# u3 G( D! X )0 _# W9 M: w: j! j- K- ~) g. Y
(command "layer" "s" "0" "")
) M/ _& w' K+ v (command "line" P1 P2 P3 P4 P5 P6 P7 P8 "c" "")
[3 w! ]% a& H1 R8 A' M Y (command "arc" P7 P9 P10 "")
3 s$ E! _0 r: Y9 |- d% ~ (command "arc" P10 GP P11 "")
( f6 a/ \% {& r4 [4 t# a (command "arc" P11 P12 P2 "")
7 S3 f$ e; ~6 R; m (command "arc" P3 P13 P14 "")
! E( C0 L; D+ \4 k2 | (command "arc" P14 P15 P16 "")9 q9 _+ }; p/ A! b
(command "arc" P16 P17 P6 "")# T' I3 w! b7 J+ Q3 C$ m) l7 t: R! N
(command "line" P10 P16 "")5 x7 W3 `$ |! G/ \! y: b
(command "line" P11 P14 "")5 z$ U/ K8 s& j: X5 ^, p
(princ)1 B- u' L* c3 O* U# h1 c! A
)
1 z! ^0 L$ R3 Y6 F, Q4 n- j2 f+ a====================================================================================
2 }1 `7 k) H4 Z! C1 v# f$ c以上是我多年前为了快速绘制六角螺帽,而自己写了个LISP,绘制原理同zhaokq大大所述之绘图步骤,由於工作繁忙就没继续发展,希望对你有所助益。
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[ 本帖最后由 raiz15 于 2007-11-29 22:42 编辑 ] |
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