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Sub jkx()0 \5 |, r, J. N9 s4 Y
Rem 绘制渐开线,
" x1 R, @' y; h6 h: J) T6 D1 c& JDim d As Double '节圆直径
, a: x: Z- b2 K) DDim r As Double '节圆半径7 |* [1 B% g% Y' n) M5 P% @8 O
Dim A As Double '总展开角度) N$ ~* m0 S' x
Dim Ai As Double '展开角度
; b5 {8 W2 j. c) L7 MDim Li As Double '展开弧长
2 b; W- n5 ?8 |2 c" l$ b6 ?d = 100
( [) e* t8 o- MA = 360
% Z5 J3 X( F7 x4 n$ G: Vr = d / 2
. r; Z, u7 B/ KDim Pnt1(2) As Double
$ g2 J# Z( I# b8 P8 zDim Pnt2(2) As Double1 N+ `- X; V: |6 x2 p+ S
Dim PntLst() As Double, N As Integer
; C+ |. _( U) C. [ThisDrawing.ModelSpace.AddCircle Pnt1, r
, y5 ]( P- t y* E: oFor Ai = 0 To A * Atn(1) / 45# Step Atn(1) / 45#
2 y0 J2 E. p8 o+ Z5 d4 MLi = r * Ai) M& Q7 v* f- U+ F: z
Pnt1(0) = r * Sin(Ai)
' G7 {7 O5 N# a% n' a) dPnt1(1) = r * Cos(Ai)# E! Y2 ]/ e. r6 A( f
Pnt2(0) = Pnt1(0) - Li * Cos(-Ai)( v1 \8 U+ C& {! c0 A
Pnt2(1) = Pnt1(1) - Li * Sin(-Ai)
& c3 y. R& x* W% p$ p# XThisDrawing.ModelSpace.AddLine Pnt1, Pnt2; [; p0 u+ @! l" c$ g
N = N + 1. E0 Q V% T! V! l" {9 x+ h! u7 A
ReDim Preserve PntLst(N * 2 - 1)& K3 J6 r" I- L& [
PntLst(N * 2 - 2) = Pnt2(0)
2 E. q$ Y" e* `PntLst(N * 2 - 1) = Pnt2(1)$ z0 ~: e8 z: c# H
Next
3 \ P; E" J7 r0 ^3 Z9 VIf N > 1 Then
( Y) `3 b$ E; X8 _5 L- GThisDrawing.ModelSpace.AddLightWeightPolyline PntLst s+ P$ ?8 z. L
End If% Z1 a" H1 v' i# d5 [# @( r
End Sub |
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发表于 2009-12-16 22:54:24
