|
马上注册,结识高手,享用更多资源,轻松玩转三维网社区。
您需要 登录 才可以下载或查看,没有帐号?注册
x
做两个圆求交点,然后判断,两圆有交点时,程序运行正常。
( F; N$ W8 `9 t: J" R5 T问题出在没有交点时,我本想输出对话框提示,然而系统报警,说“类型不匹配”,各位看看怎么回事?: w; f& F* k* U4 t% b! ~
代码如下:
& p6 C4 ~$ z1 a; F/ o, hPrivate Function GetFSupportCenter(BSupportCenter As Variant, FSwingBasePoint As Variant) As Variant" M! F; X' T. S
Dim Testlayer As AcadLayer$ K6 a( g+ J( o) j/ o4 Z
Dim ObjCircle1 As AcadCircle '辅助圆 v/ [5 x1 b% l
Dim ObjCircle2 As AcadCircle# p* H0 V" r; E# w `! n( s( t% U
Dim SWingLength As Double& i! V, I1 L; A1 c" ]" P& E
Dim SWingPitch As Double
6 e. I0 C& W& G. _0 H, pDim PT(0 To 2) As Double7 G4 t. o1 |3 E2 j* z6 z
Set Testlayer = ThisDrawing.Layers.Add("非显示层" ) '辅助线位于非显示层
! \( d/ Z5 u5 ` dTestlayer.color = acRed& c4 `" U( C* x1 ^. r
ThisDrawing.Application.ActiveDocument.ActiveLayer = Testlayer '激活图层
: l6 O' w% q5 [$ @; hTestlayer.LayerOn = True& f* E- V2 }! V
SWingLength = 2607
) j" O& e9 Y/ pSWingPitch = 3250
5 i/ P+ j2 v, x( b1 O& w# Y! H5 h8 W" G
Set ObjCircle1 = ThisDrawing.ModelSpace.AddCircle(FSwingBasePoint, SWingLength) '作辅助线
* b7 r) E- x9 ~1 ^- l# y2 V8 gSet ObjCircle2 = ThisDrawing.ModelSpace.AddCircle(BSupportCenter, SWingPitch)+ f* v% n1 B: M1 O7 Z- @2 j
1 N4 O' `* e1 g6 ]6 F. _ O) B
Dim IntPoints As Variant* k9 @% k& \0 a. w- ~
IntPoints = ObjCircle2.IntersectWith(ObjCircle1, acExtendNone) '获取交点并判断
9 i0 b+ q0 u7 q s4 g8 H5 K- B; K: m/ E3 e
If VarType(IntPoints) = vbEmpty Then J' [; A& D# o/ y
MsgBox "没有交点!"
! k: r' A! n" `% J$ {$ X% iElseIf BSupportCenter(1) = FSwingBasePoint(1) Then
0 C, |9 N% f, T For i = LBound(IntPoints) + 1 To UBound(IntPoints) Step 3( f/ p! r$ q' f4 k
On Error Resume Next
+ Q& m; S+ {! L. S( O2 h# K4 H0 B If IntPoints(i) < BSupportCenter(1) Then
' _- u5 n2 J2 q' E3 j PT(0) = IntPoints(i - 1): PT(1) = IntPoints(i): PT(2) = IntPoints(i + 1) {! [5 y7 B( ^' \' j1 N9 r
GetFSupportCenter = PT '函数返回值7 D- _" U1 t; m/ t" @1 o& n
End If6 a1 @4 P1 I7 M
Next, N, {0 D! \$ b0 F" x1 [# k8 e
Else
+ u* ?0 @) T; `; y" \" n) @1 vFor i = LBound(IntPoints) To UBound(IntPoints) Step 3
$ d) [; H; q! p# i/ o4 F On Error Resume Next
* i% j3 t. ~# J, c# K If (IntPoints(i + 1) - FSwingBasePoint(1)) / (BSupportCenter(1) - FSwingBasePoint(1)) - (IntPoints(i) - FSwingBasePoint(0)) / (BSupportCenter(0) - FSwingBasePoint(0)) < 0 Then
) n D# F9 G; D6 e PT(0) = IntPoints(i): PT(1) = IntPoints(i + 1): PT(2) = IntPoints(i + 2)
6 X# n6 l' o$ G9 T, t! }0 D- q GetFSupportCenter = PT '函数返回值
' V! {; y, ^1 {/ K7 |0 G End If
4 V9 Y7 e6 E, NNext
& ] W7 P4 H$ w7 x( DEnd If) h6 ? d! {; O' e+ T3 \
'ObjCircle1.Delete, ?+ e8 g2 ~ t* e; G/ Q( z C1 B+ b
'ObjCircle2.Delete
h; P' _, I5 n. T; `! _End Function9 n1 F- Q* J' l$ Y
) I* | @$ p' ~! A4 U- ?% \9 _% aSub trial()
& E7 k* i$ ?1 W! Y; {4 Y7 DDim A As Variant
; Y5 a1 _ J2 D7 s4 \9 b7 j3 fDim B As Variant
2 \5 H: V4 I5 F' @, bDim C As Variant8 [3 M r& E C* x( J [
A = ThisDrawing.Utility.GetPoint(, "后支撑碗中心:" )
. T @/ \$ F8 n8 o1 P7 G8 YB = ThisDrawing.Utility.GetPoint(, "前摆杆上铰接点:" )
3 `; _1 P8 e: ~. bC = GetFSupportCenter(A, B)
[2 e7 K8 S# {1 `( yMsgBox "前支撑碗中心坐标:" & C(0) & "," & C(1) & "," & C(2)0 U2 P$ M Q! B7 _3 _! K% V, U
End Sub |
评分
-
查看全部评分
|