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Sub AddArcLength()- t, O% F7 C* h+ i. X) D s9 F s; @! C
' This example creates an arc in model space./ c6 P- Q" _6 h
' 已知圆心角、弧长绘弧$ w/ _4 d3 n1 Q4 b5 G
Dim arcObj As AcadArc
: Z- V" u1 ?, N0 J1 u Dim centerPoint As Variant
1 K' S! r" K" T! r Dim radius As Double
7 o2 L; @- R) L9 E6 t# S: L8 y Dim startAngleInRadian As Double
+ r- x2 i0 x- p& I( U Dim endAngleInRadian As Double
, P: k [. W1 O2 R* L+ D% _+ f Dim ARCLength As Double) l2 d: n. ^ |# y3 I
Dim lineobj As AcadLine9 [, g2 C' W/ Y w
Dim getobj As ACADObject ]1 x1 _# y& x, l9 R8 [
Dim p As Variant5 G7 \& h- {* h2 p% V, m$ p5 }+ Q5 _
7 D! q) F% P; V6 B6 a5 y# k 'centerPoint(0) = 0#: centerPoint(1) = 0#: centerPoint(2) = 0#
- f; ]4 f @5 Z8 ?' x! B. C centerPoint = ThisDrawing.Utility.GetPoint(, "请指定圆心:"); Q0 ^( m0 S3 S/ N/ S; g
ThisDrawing.Utility.GetEntity getobj, p, "选择第一条直线:"$ @" ~" o7 H( Q9 h
startAngleInRadian = getobj.Angle
. V" \- s( T- W2 |) E ThisDrawing.Utility.GetEntity getobj, p, "选择第二条直线:"
5 Z7 e3 U, Y+ B6 J' j- Y endAngleInRadian = getobj.Angle/ N9 P( g1 B- A0 F
ARCLength = ThisDrawing.Utility.GetString(0, vbCrLf & "所绘弧长:")
( D9 e6 R2 z* B- q2 v2 w4 X radius = ARCLength / (endAngleInRadian - startAngleInRadian)" r) ?9 P2 |" |: t, |
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' Create the arc object in model space' h2 X) V" B/ |" e, n! O
Set arcObj = ThisDrawing.ModelSpace.AddArc(centerPoint, radius, startAngleInRadian, endAngleInRadian)
# Z% s) p1 ~! o' ZoomAll/ p9 F4 O8 v* j: h
End Sub |
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发表于 2009-6-10 08:42