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Sub AddArcLength()1 W v, R, W" u1 v
' This example creates an arc in model space.
# J3 q0 d3 P; F ' 已知圆心角、弧长绘弧
' F6 P' q$ S; @% d2 w Dim arcObj As AcadArc5 R9 v" T# G# H* \
Dim centerPoint As Variant
4 d) W a$ i5 m; T; J: b Dim radius As Double2 w* @5 H E; q3 a
Dim startAngleInRadian As Double
+ D, Z; S' Q# D4 r7 {3 M Dim endAngleInRadian As Double
! U4 l% u: H+ u" [% a Dim ARCLength As Double! |6 K) t' u9 x4 a+ I1 ^
Dim lineobj As AcadLine& j$ z+ A% C/ g: X9 f- E1 y) H
Dim getobj As ACADObject1 j# b; V. I( b& T1 F# q
Dim p As Variant
+ A& X, O: P* \$ k6 m! e& A $ b& C9 x9 ^, Z1 @4 U
'centerPoint(0) = 0#: centerPoint(1) = 0#: centerPoint(2) = 0#; L4 Q3 H+ F6 p% e& ] j* r
centerPoint = ThisDrawing.Utility.GetPoint(, "请指定圆心:")
' D4 ? N$ u7 { ThisDrawing.Utility.GetEntity getobj, p, "选择第一条直线:"
. g1 r8 ]8 T9 }' M! t& h startAngleInRadian = getobj.Angle
E" u5 k! }3 m) C0 R8 } ThisDrawing.Utility.GetEntity getobj, p, "选择第二条直线:"1 ^) c* {7 ~/ R2 }( C4 W0 _
endAngleInRadian = getobj.Angle/ i' V) s! S: o2 _+ {, r( I
ARCLength = ThisDrawing.Utility.GetString(0, vbCrLf & "所绘弧长:")
9 n5 L5 r" O) `% e+ f radius = ARCLength / (endAngleInRadian - startAngleInRadian)( n, Z6 V& m/ H
6 }; ?' s2 L! V- \/ @4 b1 q) z ' Create the arc object in model space ^* U& M1 I3 O, G$ q, s
Set arcObj = ThisDrawing.ModelSpace.AddArc(centerPoint, radius, startAngleInRadian, endAngleInRadian)
3 L5 ?# z& p$ _6 z' ZoomAll; q0 `2 u& E1 Y$ @
End Sub |
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发表于 2009-6-10 08:42