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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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6 w( ^! E2 I! v% O;subroutine program
4 d; | r# F0 F @6 R% d4 v(defun dtr(ang)(/ (* ang pi) 180.0))
( T/ o& B/ B1 ]3 u(defun rtd(ang)(* (/ ang pi) 180.0))
, ~: s+ } N% g3 B" h0 v8 ]3 N7 ^5 r(defun tan(ang)(eval (/ (sin ang)(cos ang))))
3 H. r* q: W& J(defun coor(s_pt delta_x delta_y)(list (+ (car s_pt) delta_x)(+ cadr s_pt) delta_y))
$ D4 T b, a0 C4 A;main program- n7 c* a3 a2 q$ O4 y
(defun c:nut()( D" D5 w' m* V6 y6 b$ Y2 Q
(setq GP(getpoint "Base point:")
% ~8 }9 t& [3 x9 ?& z2 wL(/ (getdist "\n对面宽度(S):") 2)" T' H$ t( l& K; e$ S/ U
T1(getdist "\n厚度(m):")
4 R( x, s1 h/ B {5 `4 c, uL1(/ L (cos (dtr 30.0)))' q {; e: Y7 d
L2(- L1 L)/ |) V# b7 }0 _( r9 O! b
L3(- T1 (* L2 (tan (dtr 30.0)) 2))
( O1 y6 g1 d8 z1 \# A3 GP1(polar GP (dtr 180.0) L)8 i+ o( X+ f- K, [
P2(polar P1 (dtr 210.0)(/ L2 (cos (dtr 30.0))))
% N! W" a' [# \' l3 M* @) dP3(polar P2 (dtr 270.0) L3)* G1 |! G4 x: K" u% W
P4(polar P1 (dtr 270.0) T1)! }( X, r: d* K# p$ c; }, B
P5(polar P4 (dtr 0)(* L 2))
" c: Z) E8 f. a3 y. p) S5 _P6(polar P5 (dtr 30.0)(/ L2 (cos (dtr 30.0))))
; N+ a5 n: s. ]2 ~P7(polar P6 (dtr 90.0) L3)5 g9 o$ c, v+ o& T4 ?
P8(polar P5 (dtr 90.0) T1)
/ m" R" e H$ @4 I( a, @. fP9(polar GP (dtr 0)(* (/ L1 4) 3))9 g7 @9 ^/ `5 A3 b( f* `
P10(polar P7 (dtr 180.0)(/ L1 2))
& Y. Z# v" T2 T, oP11(polar P10 (dtr 180.0) L1)( [7 j9 w6 e+ \! X
P12(polar GP (dtr 180.0)(* (/ L1 4) 3))4 d& u/ n( o$ A: H5 @
P13(polar P12(dtr 270.0) T1)
; o; N+ @+ C9 FP14(polar P11(dtr 270.0) L3)
; d& }" G4 ~ j( g ]. a0 \$ r8 O8 lP15(polar GP(dtr 270.0) T1)* o1 f7 M6 a' c* d: ~$ q" ?
P16(polar P10(dtr 270.0) L3)
% R- w9 l3 A0 {1 lP17(polar P9(dtr 270) T1)' w. D o, [8 w( W
)
! J* y8 n# ~: \8 t3 y (command "layer" "s" "0" "")4 n8 ?# _1 Y" _% h2 L- ]6 n# U
(command "line" P1 P2 P3 P4 P5 P6 P7 P8 "c" "")* P$ s( s" C' q) R5 ]7 f2 W% l
(command "arc" P7 P9 P10 "")
/ p% i7 i# @ d ` (command "arc" P10 GP P11 "")
# ^/ d% r8 h. j4 s }3 ? (command "arc" P11 P12 P2 "")
. W) ^1 D! @5 n/ Z9 V (command "arc" P3 P13 P14 "")
' l2 w. V" X. B (command "arc" P14 P15 P16 "")1 j! n: B$ x" p+ i; M/ x- U# ~
(command "arc" P16 P17 P6 "")
( E/ o8 ?! j; X7 ~ (command "line" P10 P16 "")
- a! J) j- y" f% A (command "line" P11 P14 "")
( S: z, f7 J! j) k2 S (princ)
# H- }" t2 \8 e d)0 H: @4 S' N4 x) U# _$ m+ r9 K
====================================================================================: L. ]- O1 w# ~9 b0 I1 Z8 I
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。3 U4 d/ F9 F8 Q$ G, ~
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[ 本帖最后由 raiz15 于 2007-11-29 22:42 编辑 ] |
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楼主
发表于 2007-11-19 09:35:44
