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Sub AddArcLength()* X8 v3 U" R5 m! E
' This example creates an arc in model space.) z/ D v+ ?$ l/ |; u2 d
' 已知圆心角、弧长绘弧+ |; d ^. l# P, A
Dim arcObj As AcadArc3 X& b: c2 \1 j4 x! c) l
Dim centerPoint As Variant
- C3 b/ ]- ?8 }5 v( B6 \* P Dim radius As Double* M" O3 v7 Y* V Q! t& D
Dim startAngleInRadian As Double* z% s& }2 Z* l
Dim endAngleInRadian As Double8 M0 N+ g# ]& J5 L0 r- z
Dim ARCLength As Double0 p6 t: e9 }; X3 j+ z4 ?
Dim lineobj As AcadLine8 M. o8 z. z1 I# @; b
Dim getobj As ACADObject+ M: w$ z# E7 l0 u" k. l
Dim p As Variant
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4 k1 i* f9 F2 E: Q5 y! u3 K 'centerPoint(0) = 0#: centerPoint(1) = 0#: centerPoint(2) = 0#
. i k, R6 Y% N4 v2 C" |# H6 { centerPoint = ThisDrawing.Utility.GetPoint(, "请指定圆心:")
' ?. T; m& l7 t# p. K1 l2 [ C* C ThisDrawing.Utility.GetEntity getobj, p, "选择第一条直线:"
6 ~) Y! z/ ^0 C2 I- E startAngleInRadian = getobj.Angle1 P/ Z- E3 ^" m0 p! o H+ y. k! }
ThisDrawing.Utility.GetEntity getobj, p, "选择第二条直线:"8 E2 U- ~& O" S
endAngleInRadian = getobj.Angle: d3 |" `9 M5 Q" d$ X) ]
ARCLength = ThisDrawing.Utility.GetString(0, vbCrLf & "所绘弧长:")) G+ |3 f5 ]9 y, d+ }
radius = ARCLength / (endAngleInRadian - startAngleInRadian)2 p+ N% s7 P& J' z: l1 U: x
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' Create the arc object in model space7 |; N4 S& i2 s V- y5 J5 Y/ A! W1 S, a
Set arcObj = ThisDrawing.ModelSpace.AddArc(centerPoint, radius, startAngleInRadian, endAngleInRadian)8 m! P' \$ p/ }9 V! h
' ZoomAll
2 V0 S, V) @6 h2 [$ n9 s0 R# Q, G6 ^End Sub |
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发表于 2009-6-10 08:42