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Sub AddArcLength()
- W. X- B$ `+ }7 O' _. ^- m ' This example creates an arc in model space.
w" I; y) O% X5 |" A( r4 Y9 \ ' 已知圆心角、弧长绘弧/ a9 Y% x* ?5 |
Dim arcObj As AcadArc
6 a2 v0 V5 g' \( j, P" ]$ z: s D Dim centerPoint As Variant
; ?: U. B) i8 Z$ @' w Dim radius As Double
& ~" T( ^" z2 Q9 s; u' U3 \ Dim startAngleInRadian As Double3 E' S/ `/ A# P' i O8 \$ R
Dim endAngleInRadian As Double5 A- h# c4 K4 r+ R0 c
Dim ARCLength As Double# J9 o( k) u" t P/ W" l
Dim lineobj As AcadLine' s$ ?$ E2 h! h" f4 z, a8 F
Dim getobj As ACADObject4 P, N; M9 T) F6 ~
Dim p As Variant8 e7 P: G/ T: a
* A" P1 d' w2 t. V8 v# q( Y 'centerPoint(0) = 0#: centerPoint(1) = 0#: centerPoint(2) = 0#5 G' q& O# b7 T V& g+ Z0 S
centerPoint = ThisDrawing.Utility.GetPoint(, "请指定圆心:")
a) N* z; y; z6 j5 C( x; R2 r ThisDrawing.Utility.GetEntity getobj, p, "选择第一条直线:"/ K$ ?1 L/ D2 y6 S Q
startAngleInRadian = getobj.Angle
% u% F/ W0 B5 `. j& h ThisDrawing.Utility.GetEntity getobj, p, "选择第二条直线:"
4 t4 r. }$ n# q7 e endAngleInRadian = getobj.Angle/ c- H4 @$ M1 w4 T; p! {
ARCLength = ThisDrawing.Utility.GetString(0, vbCrLf & "所绘弧长:")7 {$ T4 s7 K/ o7 n* o/ y# V. w; e
radius = ARCLength / (endAngleInRadian - startAngleInRadian)
( C' h+ j3 [8 r 6 f2 U8 h4 k% U J- x% }; E
' Create the arc object in model space
) I/ k9 R4 K7 R3 n/ I6 e9 q Set arcObj = ThisDrawing.ModelSpace.AddArc(centerPoint, radius, startAngleInRadian, endAngleInRadian)) X/ {, Y1 K+ Y5 m7 q
' ZoomAll" D9 g; a0 A0 B+ S8 t
End Sub |
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发表于 2009-6-10 08:42