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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;
6 S4 T$ y4 Z; y4 _8 D+ g: V1 T7 |circle对象的center属性示例代码如下:3 h) w: h. d! a, @- Y5 {! C5 I/ ?
Sub Example_Center()
9 C( [" u1 ^' `" EDim circObj As AcadCircle ; l; l" E" _$ u' b
Dim currCenterPt(0 To 2) As Double , |) e( h% x" i3 \
Dim newCenterPt(0 To 2) As Double
) ]! Q8 i+ E: M' l4 u& W$ jDim radius As Double U* |0 w* G. [( c3 ?
' Define the initial center point and radius for the circle # G+ {, z# k- n5 |* k( e
currCenterPt(0) = 20: currCenterPt(1) = 30: currCenterPt(2) = 0
! K7 q% ^& @$ u, @radius = 3 - y4 `( M9 H7 Z& R
' Create the circle in model space ( X8 X2 S& e4 |5 G) ?
Set circObj = ThisDrawing.ModelSpace.AddCircle(currCenterPt, radius) ( M A% x/ [, F
ZoomAll
0 @: @. P( {# G! X$ [8 @MsgBox "The center point of the circle is " & currCenterPt(0) & ", " & currCenterPt(1) & ", " & currCenterPt(2),vbInformation, "Center Example" ; l/ ~2 e8 y' O
' Change the center point of the circle
5 c. ~9 ]: w. ]8 ynewCenterPt(0) = 25: newCenterPt(1) = 25: newCenterPt(2) = 0
% w0 Y5 v8 D: Q5 l8 w1 ?. C& scircObj.center = newCenterPt + Z/ M8 r- K+ Q) W. N) Y
circObj.Update 0 S% G$ T7 c( ?/ ~6 x
' Query the results of the new center position
4 E0 B2 H- n- V2 b! A' Notice the output from the center property is a variant 5 [5 ?$ a3 Z1 \
Dim centerPoint As Variant + d6 Q) a, ^7 v4 }
centerPoint = circObj.center 2 V9 T. A$ ]* ]. f9 M. c; L
MsgBox "The center point of the circle is " & centerPoint(0) & ", " & centerPoint(1) & ", " & centerPoint(2),vbInformation, "Center Example"
* Q, V( Z7 }% W, A XEnd Sub |
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