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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 / `. K/ D4 C* q
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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;
* D" C/ W- B5 C5 N# L, mcircle对象的center属性示例代码如下:
n& g$ T$ m% U) }Sub Example_Center() 3 n7 n. G8 Z$ C$ t' [0 P5 w. { X9 U
Dim circObj As AcadCircle
' W5 w/ A5 j; M3 `" M7 e2 ] m7 M9 Z+ vDim currCenterPt(0 To 2) As Double
( H2 L7 m7 h# k7 p0 | ]1 y6 t, TDim newCenterPt(0 To 2) As Double
. Z$ @8 @ z& d' [9 DDim radius As Double
, c- z; v) O5 L- `) g' Define the initial center point and radius for the circle
. g5 y y& g+ PcurrCenterPt(0) = 20: currCenterPt(1) = 30: currCenterPt(2) = 0
' x6 h# L7 w/ W6 C" C2 Wradius = 3 8 |) i4 l9 }" z# J( `
' Create the circle in model space
' l+ v6 q! s: cSet circObj = ThisDrawing.ModelSpace.AddCircle(currCenterPt, radius) & ^) {$ n8 u; g4 w! Z% a& O% l
ZoomAll - j# a5 K% h* h! y
MsgBox "The center point of the circle is " & currCenterPt(0) & ", " & currCenterPt(1) & ", " & currCenterPt(2),vbInformation, "Center Example"
8 e7 T$ C6 Y! X2 U1 I' Change the center point of the circle
7 o" L' s2 t" a0 z. WnewCenterPt(0) = 25: newCenterPt(1) = 25: newCenterPt(2) = 0
: t8 C% [& q9 L C s/ B, FcircObj.center = newCenterPt
5 v, j/ A* g k; [, w. DcircObj.Update ; \) K& A' }5 j5 M% C- X5 S" m
' Query the results of the new center position
7 L6 p+ S! u( x+ X' Notice the output from the center property is a variant
* z* o b. o" d- K7 J' o$ k* e4 TDim centerPoint As Variant
% ]( w- @9 M1 n" B+ EcenterPoint = circObj.center , n' C. T! [; t( D3 O% ~
MsgBox "The center point of the circle is " & centerPoint(0) & ", " & centerPoint(1) & ", " & centerPoint(2),vbInformation, "Center Example"
7 a4 G& f. s4 S, f: e1 A# KEnd Sub |
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