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[疑难] vb.net调用ufun函数遇到的问题,求解!

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发表于 2010-9-26 11:37 | 显示全部楼层 |阅读模式
请看下面的子程序.6 t! v% c2 s2 }7 u
目的是对全局变量arrCurves()内的曲线对象进行两次变换." c- [" ], n9 O5 P0 a. {
然后,建立回转体.1 [+ g3 ?5 P: p7 R4 D7 p
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问题是,建立第一次变换矩阵成功后(status1=0),不可建立第二次变换矩阵." m$ s, ~3 h6 r! ?+ S
否则就出错.奇怪?; z- U+ r- l0 ?7 t
若将第二次变换代码删除,程序可顺利运行到下面的变换代码,但提示出错.* ~6 t, Y, [* h
看一下ug界面内的运行结果.是变换成功的.那为何还要提示错误呢?6 W- i7 r9 X# H1 s: [* R% ~  d9 r
建立回转体是不可能了.
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. D5 `" s6 a  u3 |3 u请高手指点,不甚感激!
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Private Sub CreateRevolveSolid(ByVal Ang As Double, ByVal sp As Point3d, ByVal ep As Point3d)# [% P! C' r6 v' I* s) U/ m
        Dim objTags(100) As NXOpen.Tag
3 s8 o9 |7 n+ `        Dim i As Integer3 t3 e& b" _5 \1 D/ A  m
        For i = 0 To arrCurves.Length - 1+ G( @/ W, p' z% H- _
            objTags(i) = arrCurves(i).Tag
7 Z# C7 t: F! q' y8 r        Next6 ~1 n7 z/ f0 f6 y" v. u
        Dim origin(2) As Double; o' j% a! P: p0 M
        Dim origin1(2) As Double
/ X" l- ?) o8 X1 B% d% P. f' Q        Dim origin2(2) As Double" \8 g: ~  _8 g/ M! u
        origin(0) = 0 : origin(1) = 0 : origin(2) = 0' ~9 T) \7 Q( K5 _8 O
        origin1(0) = 0 : origin1(1) = 0 : origin1(2) = 09 ?! j4 Q' I; a' J
        origin2(0) = 0 : origin2(1) = 0 : origin2(2) = 0
5 c6 E' G! M1 M0 k/ r        Dim direction(2) As Double( D& G" ~. v7 H( u% x
        Dim direction1(2) As Double
3 F1 U1 d, _8 t* b        Dim direction2(2) As Double
* a' \: W2 e( W( K- Z% Q2 i) V        Dim mat As Double
3 R9 ^: A7 s3 S6 b. M* m        Dim mat1 As Double1 h% g  {  _, B
        Dim mat2 As Double- U. E; Q* r3 f7 E& c6 O
        Dim status As Integer
' ?! D' N! r+ q9 G0 K* j( E- s        Dim status1 As Integer: z1 x" h) |9 D! t2 p
        Dim status2 As Integer
8 T9 u7 ]) G/ _- G' G  v        Dim Features(100) As NXOpen.Tag
: u" h1 M+ t6 n8 n7 e        Dim copies(100) As NXOpen.Tag2 J5 i( Y- ?) _1 z: l  A8 v6 f
        Dim ang1 As Double = 90# a+ s  K3 \; l( f
        Dim ang2 As Double = 90
  }. \" I' {5 b        direction1(0) = 1 : direction1(1) = 0 : direction1(2) = 0$ E, `0 {" x8 a1 d; |; }
        direction2(0) = 0 : direction2(1) = 0 : direction2(2) = 1( c3 _0 J! @; U$ p6 y: q2 X
        '构建第一变换矩阵2 K4 ~* ~5 q: e, `. |: f5 L! S  d3 t
        MsgBox("Matrix1" & status1.ToString)
9 H* O; ]( d, y; _' V        ufse.Trns.CreateRotationMatrix(origin1, direction1, ang1, mat1, status1)
$ r4 d$ U; ]! K        MsgBox("Matrix1 status" & status1.ToString)
% y& P; N# M& X+ b$ o! |5 u) o        '构建第二变换矩阵9 w8 }* i6 a! Q: k; v  U. b/ j# P
        ufse.Trns.CreateRotationMatrix(origin2, direction2, ang2, mat2, status2)
- K! K! a0 \2 E! p# N. a        MsgBox("Matrix2 status" & status2.ToString): W# _; B. a/ `- b- M: l# h+ ]
        
; S8 l1 o, I- c7 v2 D% h7 V        'ufse.Trns.MultiplyMatrices(mat1, mat2, mat)
4 j4 I4 O! \9 {& I8 m        '变换5 r1 A6 }6 b/ M0 w3 U: [0 h* i
        MsgBox("transform1")
- _) S1 H: B4 ^( e4 q        ufse.Trns.TransformObjects(mat1, objTags, arrCurves.Length, 2, 0, 2, copies, Nothing, status)
% _' O# q3 U! ]- h% J! K! s        MsgBox("transform1 ok")
; [. \, B8 I- T/ f% Z        Dim limit(1) As String* K* E8 ]. m8 q( |2 S5 z
        limit(0) = CStr(-Ang) : limit(1) = CStr(Ang)
* P9 @9 D1 M; g: s& l        Dim offset(1) As String# A, S8 a2 i7 e& P& P
        offset(0) = "0.0" : offset(1) = "0.0"* F$ _  v) r9 G; q+ u. \5 ?; d' \
        '生成回转体
5 T4 H0 F- ^& }- l        Dim cou As Integer
+ y& Z& e4 D0 }: {2 u4 y        MsgBox("revolution")3 Q+ X& ]. G$ N. E$ y8 v; h/ R  s9 R
        direction(1) = 0 : direction(2) = 1 : direction(3) = 0
7 ^( C9 h6 x. T4 R9 t        ufse.Modl.CreateRevolution(copies, arrCurves.Length, Nothing, limit, offset, origin, False, True, origin, direction, FeatureSigns.Nullsign, Features, cou)
# @4 k! m3 b! g    End Sub
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