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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
* `$ a: Q: L! D$ y) h1 x* C- m( k' i/ A$ ^* l
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;; HELIX .LSP 螺旋线生成; x( n6 d0 r. J, C3 ]' z
(Defun C:Helix ()0 t+ W/ h- j6 X* z: ]0 E0 g5 J
(SetQ p (GetPoint "\n中心点: ") x (Car p) y (Cadr p) z (Caddr p)
6 r6 @) w$ L6 @+ c5 n9 kr (GetDist p "\n半径: "); a) I$ B3 o4 L3 Y8 x
b (GetDist p "\n总高度: ")
5 C2 g3 [" ^$ D2 K8 Qa (GetAngle p "\n起始角: ")# c% B, g4 `8 {1 S% P7 E
m (GetInt "\n圈数: ")- m. g7 D3 P- D0 S+ d0 w1 Q
n (GetInt "\n每圈线段数: ")
9 r8 m( u( L. I9 ~; C+ oda (/ (* m 2 Pi) (* m n))5 M7 _! m2 k8 L) t3 p5 q
dz (/ b (* m n))$ B6 F; z2 @# v# D' o- ?
)
' o7 m6 Q2 ~' z; s. i7 L$ L(Command "3dpoly"); c& [- ]- ~( [! E' `: U% |7 }
(Repeat (1+ (* m n))
8 C3 O4 J$ d& l& Y2 Q8 P) L9 t(Command (Polar (List x y z) a r)), ?- x1 i" W' v. A# x3 S( u0 p
(SetQ a (+ a da) z (+ z dz)): Z, s% p2 n, M3 Q0 ^8 O8 h9 |( Q2 D
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(Command "")
% g: g, C& c, C( ?' J+ Q; Z(PrinC)/ t0 e! {, g5 b9 k4 ]/ K
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发表于 2009-5-8 16:05