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工具-aotolisp-编辑器，复制以下代码，保存，然后加载就OK了，输入命令HELIX，就可以画弹簧了，呵呵
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$ R% U# x; R9 K: D8 Q s;; HELIX .LSP 螺旋线生成$ s! x8 C5 O0 Z A+ p
(Defun C:Helix ()* T3 Q9 E0 w7 C. o' a6 Q
(SetQ p (GetPoint "\n中心点: ") x (Car p) y (Cadr p) z (Caddr p)
5 s3 \* J6 D1 v! q9 ^r (GetDist p "\n半径: "); w' O& F8 v: F# ^5 f. y& r0 @& f; I4 f
b (GetDist p "\n总高度: ")5 `6 g2 D% Q0 f! B! c5 U8 O
a (GetAngle p "\n起始角: ")
. t( ~9 w, g0 t. P. E3 a5 Km (GetInt "\n圈数: ")
. [) p# b, z* } B: cn (GetInt "\n每圈线段数: ")
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dz (/ b (* m n)). I# q# z- z- `/ G
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(Command "3dpoly")
z8 ~2 u. p8 J8 y( Q7 O. C(Repeat (1+ (* m n))
# h/ ^. K! \) s/ {(Command (Polar (List x y z) a r))7 H# i H& K5 b* k D" O/ w' c, i
(SetQ a (+ a da) z (+ z dz))% \" L6 t$ |$ a6 ]/ K$ e! b
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(Command "")
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发表于 2009-5-8 16:05