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Sub AddArcLength()
8 k/ O& Z" Z, ]- |& {, T ' This example creates an arc in model space.8 r& G7 e$ A; {* m9 l0 L; ]
' 已知圆心角、弧长绘弧: V% Y* K# J4 Q2 q, d# c" V
Dim arcObj As AcadArc, h9 v) I$ T- c# C" M. o3 K$ a. \
Dim centerPoint As Variant
2 u* Y1 | K8 r+ X Dim radius As Double$ v }1 c4 l$ \! ]" ?
Dim startAngleInRadian As Double( `! k, I( u% n( K5 S2 b, y' g
Dim endAngleInRadian As Double# {5 C& B& k: ^( T
Dim ARCLength As Double
9 m: y1 z, d' M4 n% A# w" o Dim lineobj As AcadLine+ j' l% [+ g* u. }
Dim getobj As ACADObject0 _5 `' b# I) N* t$ }" O% C
Dim p As Variant8 j+ i0 `, U& g. N. G' c+ l. `
2 Y2 y, ]' N' d) Z% Z3 d 'centerPoint(0) = 0#: centerPoint(1) = 0#: centerPoint(2) = 0#) V$ O$ A% w' o% f9 `( X
centerPoint = ThisDrawing.Utility.GetPoint(, "请指定圆心:")
) F7 e+ C1 n% u. g7 ?( M5 N% j ThisDrawing.Utility.GetEntity getobj, p, "选择第一条直线:"1 Y$ G* p2 U* Y8 K, I. L# ^% h9 l
startAngleInRadian = getobj.Angle
4 _* |0 B7 I- Z; l: ^) ]" L' W5 j& o6 T' \ ThisDrawing.Utility.GetEntity getobj, p, "选择第二条直线:"
, j+ g& n# C( A# W endAngleInRadian = getobj.Angle" T; o: n( E/ X0 \
ARCLength = ThisDrawing.Utility.GetString(0, vbCrLf & "所绘弧长:")
. l7 O4 X! c- ` radius = ARCLength / (endAngleInRadian - startAngleInRadian)$ o/ U w. T( l1 x* C
* F' p( j7 \+ ~* ]/ W ' Create the arc object in model space
! H6 N: x$ \" z* q' w" X* s Set arcObj = ThisDrawing.ModelSpace.AddArc(centerPoint, radius, startAngleInRadian, endAngleInRadian)
2 e. Z. j9 t6 j$ z1 ~% f' ZoomAll4 n" R# _( e3 J& ^
End Sub |
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发表于 2009-6-10 08:42