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发表于 2010-1-23 21:19:09
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来自: 中国浙江宁波
本帖最后由 sealive_leafage 于 2010-1-23 21:21 编辑
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circle对象的center属性返回的是一维三元素数组,0代表圆心的x坐标,1代表圆心的y坐标,2代表圆心的z坐标,可以分别通过比较x、y、z坐标判断圆心是否相同,注意控制坐标值的对比位数;
& W2 S/ f; g& S4 f' ?+ u9 s8 Vcircle对象的center属性示例代码如下:* B k6 `& E; c2 B# [' A) F% N7 c4 j+ C
Sub Example_Center()
: P/ y% E3 F2 S) wDim circObj As AcadCircle & E2 u% `5 N p; U9 G7 ~
Dim currCenterPt(0 To 2) As Double
. Y. M5 y/ h# J, P/ \) K9 `Dim newCenterPt(0 To 2) As Double
) ^. h. y/ G2 w: LDim radius As Double
M) E: ^; Z, z. q) _2 d$ Q' Define the initial center point and radius for the circle
4 x# w( E) s( R5 hcurrCenterPt(0) = 20: currCenterPt(1) = 30: currCenterPt(2) = 0 # t% h& V# H% z: E
radius = 3 - W: z4 z% n$ X" {
' Create the circle in model space : x: ], F* h* B( G7 Q0 }
Set circObj = ThisDrawing.ModelSpace.AddCircle(currCenterPt, radius)
( S1 h( z: Q7 u- J0 s& KZoomAll
2 ?/ {. n- @# Y, p. X7 WMsgBox "The center point of the circle is " & currCenterPt(0) & ", " & currCenterPt(1) & ", " & currCenterPt(2),vbInformation, "Center Example" # y: p4 j0 b! Q; \. J. \. E
' Change the center point of the circle * M) W& I/ j, l& N+ N( m5 M! H
newCenterPt(0) = 25: newCenterPt(1) = 25: newCenterPt(2) = 0
& m0 u# L4 g$ z, Y0 xcircObj.center = newCenterPt K+ D+ z# c, d" j6 a- ~
circObj.Update
8 c0 `# S& {3 O: _' Query the results of the new center position ; r6 Y. e$ }' b4 t, }: V6 c' ?( l
' Notice the output from the center property is a variant ' F. m7 N: {2 ~. ]' W
Dim centerPoint As Variant / d0 V+ |! B! {5 Q, l3 q
centerPoint = circObj.center S$ _# n( e1 C2 P) V& d
MsgBox "The center point of the circle is " & centerPoint(0) & ", " & centerPoint(1) & ", " & centerPoint(2),vbInformation, "Center Example"
8 y8 m& d. j4 B7 lEnd Sub |
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