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三维坐标转换 把文件导入之后总是显示下标越界

三维坐标转换 把文件导入之后总是显示下标越界

Dim k3#, Ex#, Ey#, Ez#, dX3#, dY3#, dZ3# '尺度参数,三个旋转参数,三个平移参数
 Dim X3#, Y3#, Z3#, Xx3#, Yy3#, Zz3# '三维坐标转换的正算数值
 '将度.分秒形式化为弧度:输入为度.分秒形式,输出为弧度
Public Function DoToHu(ByVal DoFenMiao As Double) As Single
Const pi As Double = 3.14159265358979
Dim du%, fen%, miao%, angle#
    du = Fix(DoFenMiao)
    DoFenMiao = (DoFenMiao - du) * 100
    fen = Fix(DoFenMiao)
    miao = (DoFenMiao - fen) * 100
    
    angle = du + fen / 60 + miao / 3600
    DoToHu = angle * pi / 180
End Function
'弧度化为度.分秒的形式:输入弧度值,输出度.分秒(各占两位)
Public Function HuToDo(ByVal Hu As Double) As Single
    Const pi As Double = 3.14159265358979
    Dim du%, fen%, miao%
    
    Hu = Hu * 180 / pi
    
    du = Fix(Hu)
    Hu = (Hu - du) * 60
    fen = Fix(Hu)
    Hu = (Hu - fen) * 60
    miao = Fix(Hu + 0.5)
    If miao = 60 Then
        fen = fen + 1
        miao = 0
    End If
    
    HuToDo = du + fen / 100 + miao / 10000
End Function
'矩阵转置的通用过程
Public Sub MatrixTrans(A() As Double, At() As Double)
    Dim i As Integer, j As Integer, rows As Integer, cols As Integer
    rows = UBound(A, 1)
    cols = UBound(A, 2)
    ReDim At(1 To cols, 1 To rows)
    For i = 1 To rows
        For j = 1 To cols
            At(j, i) = A(i, j)
        Next j
    Next i
End Sub
'矩阵相乘:输入矩阵或数Qa、Qb,自动识别它们的维数,并输出它们的乘积Qn
Public Sub Matrix_Multy(C() As Double, A() As Double, b() As Double)
    Dim i As Integer, j As Integer, k As Integer, rowsA As Integer, colsA As Integer, rowsB As Integer, colsB As Integer
    rowsA = UBound(A, 1)
    colsA = UBound(A, 2)
    rowsB = UBound(b, 1)
    colsB = UBound(b, 2)
    ReDim C(1 To rowsA, 1 To colsB)
    For i = 1 To rowsA
        For j = 1 To colsB
            C(i, j) = 0
            For k = 1 To colsA
                C(i, j) = C(i, j) + A(i, k) * b(k, j)
            Next k
        Next j
    Next i
End Sub

' 高斯消元法解线性方程组
Sub MajorInColGuass(A() As Double, b() As Double, x() As Double)
    Dim n As Integer, i As Integer, j As Integer, k As Integer
    Dim maxRow As Integer, temp As Double
    n = UBound(A, 1)
    ReDim x(1 To n)
 
    ' 高斯消元
    For k = 1 To n - 1
        maxRow = k
        For i = k + 1 To n
            If Abs(A(i, k)) > Abs(A(maxRow, k)) Then maxRow = i
        Next i
        If maxRow <> k Then
            For j = k To n
                temp = A(k, j)
                A(k, j) = A(maxRow, j)
                A(maxRow, j) = temp
            Next j
            temp = b(k)
            b(k) = b(maxRow)
            b(maxRow) = temp
        End If
        For i = k + 1 To n
            temp = A(i, k) / A(k, k)
            For j = k + 1 To n
                A(i, j) = A(i, j) - temp * A(k, j)
            Next j
            b(i) = b(i) - temp * b(k)
        Next i
    Next k
 
    ' 回代求解
    For i = n To 1 Step -1
        x(i) = b(i)
        For j = i + 1 To n
            x(i) = x(i) - A(i, j) * x(j)
        Next j
        x(i) = x(i) / A(i, i)
    Next i
End Sub
Private Sub Check1_Click()
 If Check1.Value = 1 Then
        Check1.Height = 5175
    ElseIf Check1.Value = 0 Then
        Check1.Height = 4440
    End If
End Sub
Private Sub cmdBrowFile_Click()
CommonDialog1.Filter = "控制点文件 (*.gcp)|*.gcp|所有文件 (*.*)|*.*"
CommonDialog1.Action = 1
txtFileName.Text = CommonDialog1.FileName
End Sub
Private Sub cmdCalc_Click()
  Dim s As String, n As Integer, i As Integer
    Dim x1() As Double, y1() As Double, z1() As Double
    Dim x2() As Double, y2() As Double, z2() As Double
    Dim A() As Double, At() As Double, Naa() As Double, W() As Double, L() As Double
    Dim x(1 To 4) As Double
    Dim Ex As Double, k3 As Double
    Dim du As Integer, fen As Integer
    
    ' 打开文件并读取数据
    Open txtFileName.Text For Input As #1
    Line Input #1, s
    n = Val(s)
    Debug.Print "Number of points: " & n
    If n <= 0 Then
        MsgBox "Invalid number of points."
        Exit Sub
    End If
    ReDim x1(n), y1(n), z1(n), x2(n), y2(n), z2(n)
    
     For i = 1 To n
        If EOF(1) Then
            MsgBox "File ended unexpectedly. Not enough data points."
            Exit Sub
        End If

        Input #1, x1(i), y1(i), z1(i), x2(i), y2(i), z2(i)
    Next i
    Close #1
     ' 初始化矩阵
    ReDim A(1 To 2 * n, 1 To 4)
    ReDim L(1 To 2 * n)
    ReDim At(1 To 4, 1 To 2 * n)
    ReDim Naa(1 To 4, 1 To 4)
    ReDim W(1 To 4)
 
    ' 填充矩阵 A 和 L
    For i = 1 To n
     If i > UBound(x1) Or i > UBound(y1) Or i > UBound(z1) Or i > UBound(x2) Or i > UBound(y2) Or i > UBound(z2) Then
        MsgBox "Array index out of bounds."
        Exit Sub
End If

        A(2 * i - 1, 1) = 1: A(2 * i - 1, 2) = 0: A(2 * i - 1, 3) = x1(i): A(2 * i - 1, 4) = y1(i)
        A(2 * i, 1) = 0: A(2 * i, 2) = 1: A(2 * i, 3) = -z1(i): A(2 * i, 4) = x1(i)
        L(2 * i - 1) = x2(i): L(2 * i) = y2(i)
    Next i
    If UBound(A, 1) <> 2 * n Or UBound(A, 2) <> 4 Then
    MsgBox "Matrix A dimensions are incorrect."
    Exit Sub
End If
 
If UBound(At, 1) <> 4 Or UBound(At, 2) <> 2 * n Then
    MsgBox "Matrix At dimensions are incorrect."
    Exit Sub
End If
 
If UBound(Naa, 1) <> 4 Or UBound(Naa, 2) <> 4 Then
    MsgBox "Matrix Naa dimensions are incorrect."
    Exit Sub
End If
 
If UBound(W, 1) <> 4 Then
    MsgBox "Matrix W dimensions are incorrect."
    Exit Sub
End If
 
If UBound(L, 1) <> 2 * n Then
    MsgBox "Matrix L dimensions are incorrect."
    Exit Sub
End If

    ' 矩阵运算
    MatrixTrans A, At
    Matrix_Multy Naa, At, A
    Matrix_Multy W, At, L
    MajorInColGuass Naa, W, x

 
    ' 分离旋转和尺度参数
    If Abs(x(3)) < 0.00000001 Then
        If x(4) > 0 Then
            Ex = pi / 2
        Else
            Ex = pi * 3 / 2
End If
    Else
        Ex = Atn(x(4) / x(3))
        If x(3) < 0 And x(4) > 0 Then
            Ex = pi - Ex
        ElseIf x(3) < 0 And x(4) < 0 Then
            Ex = pi + Ex
        ElseIf x(3) > 0 And x(4) < 0 Then
            Ex = pi * 2 + Ex
        End If
End If
 
    k3 = x(3) / Cos(Ex)
 
    ' 将转换参数写入相应文本框
    txtK3 = Str(k3 - 1)
    Ex = Ex * 180 / pi
    du = Int(Ex): Ex = (Ex - du) * 60
    fen = Int(Ex): Ex = (Ex - fen) * 60
    Ex = Val(Format(Ex, "0.00"))
    Ex = du + fen / 100# + Ex / 10000
    txtEx.Text = Str(Ex)
    textEy.Text = Str(Ey)
    txtEz.Text = Str(Ez)
    txtdX3.Text = Str(x(1))
    txtdY3.Text = Str(x(2))
    txtdZ3.Text = Str(x(3))
End Sub
Private Sub cmdCalc3_Click()
    k3 = Val(txtK3.Text)
    Ex = Val(txtEx.Text): Ex = DoToHu(Ex)
    Ey = Val(txtEy.Text): Ey = DoToHu(Ey)
    Ez = Val(txtEz.Text): Ez = DoToHu(Ez)
    dX3 = Val(txtdX3.Text): dY3 = Val(txtdY3.Text): dZ3 = Val(txtdZ3.Text)
    X3 = Val(txtX3.Text): Y3 = Val(txtY3.Text): Z3 = Val(txtZ3.Text)
    
    Xx3 = (k3 + 1) * (X3 * Cos(Ey) * Cos(Ez) + Y3 * Cos(Ey) * Sin(Ez) - Z3 * Sin(Ey)) + dX3
    Yy3 = (k3 + 1) * (X3 * (-Cos(Ex) * Sin(Ez) + Sin(Ex) * Sin(Ey) * Cos(Ez)) + Y3 * (Cos(Ex) * Cos(Ez) + _
          Sin(Ex) * Sin(Ey) * Sin(Ez)) + Z3 * (Sin(Ex) * Cos(Ey))) + dY3
    Zz3 = (k3 + 1) * (X3 * (Sin(Ex) * Sin(Ez) + Cos(Ex) * Sin(Ey) * Cos(Ez)) + Y3 * (-Sin(Ex) * Cos(Ez) + _
          Cos(Ex) * Sin(Ey) * Sin(Ez)) + Z3 * (Cos(Ex) * Cos(Ey))) + dZ3
    txtXx3.Text = Format(Xx3, "0.0000")
    txtYy3.Text = Format(Yy3, "0.0000")
    txtZz3.Text = Format(Zz3, "0.0000")
End Sub
Private Sub cmdClear3_Click()
txtK3.Text = ""
txtEx.Text = ""
txtEy.Text = ""
txtEz.Text = ""
txtdX3.Text = ""
txtdY3.Text = ""
txtdZ3.Text = ""
txtX3.Text = ""
txtY3.Text = ""
txtZ3.Text = ""
txtXx3.Text = ""
txtYy3.Text = ""
txtZz3.Text = ""
End Sub

Private Sub cmdconCalc3_Click()
    k3 = Val(txtK3.Text)
    Ex = Val(txtEx.Text): Ex = DoToHu(Ex): Ey = Val(txtEy.Text)
    Ey = DoToHu(Ey): Ez = Val(txtEz.Text): Ez = DoToHu(Ez)
    dX3 = Val(txtdX3.Text): dY3 = Val(txtdY3.Text): dZ3 = Val(txtdZ3.Text)
    Xx3 = Val(txtXx3.Text): Yy3 = Val(txtYy3.Text): Zz3 = Val(txtZz3.Text)
    
    X3 = ((Xx3 - dX3) * Cos(Ey) * Cos(Ez) + (Yy3 - dY3) * (-Cos(Ex) * Sin(Ez) + Sin(Ex) * Sin(Ey) * Cos(Ez)) + _
         (Zz3 - dZ3) * (Sin(Ex) * Sin(Ez) + Cos(Ex) * Sin(Ey) * Cos(Ez))) / (k3 + 1)
    Y3 = ((Xx3 - dX3) * Cos(Ey) * Sin(Ez) + (Yy3 - dY3) * (Sin(Ex) * Sin(Ey) * Sin(Ez) + Cos(Ex) * Cos(Ez)) + _
         (Zz3 - dZ3) * (-Sin(Ex) * Cos(Ez) + Cos(Ex) * Sin(Ey) * Sin(Ez))) / (k3 + 1)
    Z3 = ((Xx3 - dX3) * (-Sin(Ey)) + (Yy3 - dY3) * Sin(Ex) * Cos(Ey) + (Zz3 - dZ3) * (Cos(Ex) * Cos(Ey))) / (k3 + 1)
     
    txtX3.Text = Format(X3, "0.0000")
    txtY3.Text = Format(Y3, "0.0000")
    txtZ3.Text = Format(Z3, "0.0000")
End Sub
Private Sub Command12_Click()
End
End Sub

Dim k3#, Ex#, Ey#, Ez#, dX3#, dY3#, dZ3# '尺度参数,三个旋转参数,三个平移参数
 Dim X3#, Y3#, Z3#, Xx3#, Yy3#, Zz3# '三维坐标转换的正算数值
 '将度.分秒形式化为弧度:输入为度.分秒形式,输出为弧度
Public Function DoToHu(ByVal DoFenMiao As Double) As Single
Const pi As Double = 3.14159265358979
Dim du%, fen%, miao%, angle#
    du = Fix(DoFenMiao)
    DoFenMiao = (DoFenMiao - du) * 100
    fen = Fix(DoFenMiao)
    miao = (DoFenMiao - fen) * 100
    
    angle = du + fen / 60 + miao / 3600
    DoToHu = angle * pi / 180
End Function
'弧度化为度.分秒的形式:输入弧度值,输出度.分秒(各占两位)
Public Function HuToDo(ByVal Hu As Double) As Single
    Const pi As Double = 3.14159265358979
    Dim du%, fen%, miao%
    
    Hu = Hu * 180 / pi
    
    du = Fix(Hu)
    Hu = (Hu - du) * 60
    fen = Fix(Hu)
    Hu = (Hu - fen) * 60
    miao = Fix(Hu + 0.5)
    If miao = 60 Then
        fen = fen + 1
        miao = 0
    End If
    
    HuToDo = du + fen / 100 + miao / 10000
End Function
'矩阵转置的通用过程
Public Sub MatrixTrans(A() As Double, At() As Double)
    Dim i As Integer, j As Integer, rows As Integer, cols As Integer
    rows = UBound(A, 1)
    cols = UBound(A, 2)
    ReDim At(1 To cols, 1 To rows)
    For i = 1 To rows
        For j = 1 To cols
            At(j, i) = A(i, j)
        Next j
    Next i
End Sub
'矩阵相乘:输入矩阵或数Qa、Qb,自动识别它们的维数,并输出它们的乘积Qn
Public Sub Matrix_Multy(C() As Double, A() As Double, b() As Double)
    Dim i As Integer, j As Integer, k As Integer, rowsA As Integer, colsA As Integer, rowsB As Integer, colsB As Integer
    rowsA = UBound(A, 1)
    colsA = UBound(A, 2)
    rowsB = UBound(b, 1)
    colsB = UBound(b, 2)
    ReDim C(1 To rowsA, 1 To colsB)
    For i = 1 To rowsA
        For j = 1 To colsB
            C(i, j) = 0
            For k = 1 To colsA
                C(i, j) = C(i, j) + A(i, k) * b(k, j)
            Next k
        Next j
    Next i
End Sub

' 高斯消元法解线性方程组
Sub MajorInColGuass(A() As Double, b() As Double, x() As Double)
    Dim n As Integer, i As Integer, j As Integer, k As Integer
    Dim maxRow As Integer, temp As Double
    n = UBound(A, 1)
    ReDim x(1 To n)
 
    ' 高斯消元
    For k = 1 To n - 1
        maxRow = k
        For i = k + 1 To n
            If Abs(A(i, k)) > Abs(A(maxRow, k)) Then maxRow = i
        Next i
        If maxRow <> k Then
            For j = k To n
                temp = A(k, j)
                A(k, j) = A(maxRow, j)
                A(maxRow, j) = temp
            Next j
            temp = b(k)
            b(k) = b(maxRow)
            b(maxRow) = temp
        End If
        For i = k + 1 To n
            temp = A(i, k) / A(k, k)
            For j = k + 1 To n
                A(i, j) = A(i, j) - temp * A(k, j)
            Next j
            b(i) = b(i) - temp * b(k)
        Next i
    Next k
 
    ' 回代求解
    For i = n To 1 Step -1
        x(i) = b(i)
        For j = i + 1 To n
            x(i) = x(i) - A(i, j) * x(j)
        Next j
        x(i) = x(i) / A(i, i)
    Next i
End Sub
Private Sub Check1_Click()
 If Check1.Value = 1 Then
        Check1.Height = 5175
    ElseIf Check1.Value = 0 Then
        Check1.Height = 4440
    End If
End Sub
Private Sub cmdBrowFile_Click()
CommonDialog1.Filter = "控制点文件 (*.gcp)|*.gcp|所有文件 (*.*)|*.*"
CommonDialog1.Action = 1
txtFileName.Text = CommonDialog1.FileName
End Sub
Private Sub cmdCalc_Click()
  Dim s As String, n As Integer, i As Integer
    Dim x1() As Double, y1() As Double, z1() As Double
    Dim x2() As Double, y2() As Double, z2() As Double
    Dim A() As Double, At() As Double, Naa() As Double, W() As Double, L() As Double
    Dim x(1 To 4) As Double
    Dim Ex As Double, k3 As Double
    Dim du As Integer, fen As Integer
    
    ' 打开文件并读取数据
    Open txtFileName.Text For Input As #1
    Line Input #1, s
    n = Val(s)
    Debug.Print "Number of points: " & n
    If n <= 0 Then
        MsgBox "Invalid number of points."
        Exit Sub
    End If
    ReDim x1(n), y1(n), z1(n), x2(n), y2(n), z2(n)
    
     For i = 1 To n
        If EOF(1) Then
            MsgBox "File ended unexpectedly. Not enough data points."
            Exit Sub
        End If

        Input #1, x1(i), y1(i), z1(i), x2(i), y2(i), z2(i)
    Next i
    Close #1
     ' 初始化矩阵
    ReDim A(1 To 2 * n, 1 To 4)
    ReDim L(1 To 2 * n)
    ReDim At(1 To 4, 1 To 2 * n)
    ReDim Naa(1 To 4, 1 To 4)
    ReDim W(1 To 4)
 
    ' 填充矩阵 A 和 L
    For i = 1 To n
     If i > UBound(x1) Or i > UBound(y1) Or i > UBound(z1) Or i > UBound(x2) Or i > UBound(y2) Or i > UBound(z2) Then
        MsgBox "Array index out of bounds."
        Exit Sub
End If

        A(2 * i - 1, 1) = 1: A(2 * i - 1, 2) = 0: A(2 * i - 1, 3) = x1(i): A(2 * i - 1, 4) = y1(i)
        A(2 * i, 1) = 0: A(2 * i, 2) = 1: A(2 * i, 3) = -z1(i): A(2 * i, 4) = x1(i)
        L(2 * i - 1) = x2(i): L(2 * i) = y2(i)
    Next i
    If UBound(A, 1) <> 2 * n Or UBound(A, 2) <> 4 Then
    MsgBox "Matrix A dimensions are incorrect."
    Exit Sub
End If
 
If UBound(At, 1) <> 4 Or UBound(At, 2) <> 2 * n Then
    MsgBox "Matrix At dimensions are incorrect."
    Exit Sub
End If
 
If UBound(Naa, 1) <> 4 Or UBound(Naa, 2) <> 4 Then
    MsgBox "Matrix Naa dimensions are incorrect."
    Exit Sub
End If
 
If UBound(W, 1) <> 4 Then
    MsgBox "Matrix W dimensions are incorrect."
    Exit Sub
End If
 
If UBound(L, 1) <> 2 * n Then
    MsgBox "Matrix L dimensions are incorrect."
    Exit Sub
End If

    ' 矩阵运算
    MatrixTrans A, At
    Matrix_Multy Naa, At, A
    Matrix_Multy W, At, L
    MajorInColGuass Naa, W, x

 
    ' 分离旋转和尺度参数
    If Abs(x(3)) < 0.00000001 Then
        If x(4) > 0 Then
            Ex = pi / 2
        Else
            Ex = pi * 3 / 2
End If
    Else
        Ex = Atn(x(4) / x(3))
        If x(3) < 0 And x(4) > 0 Then
            Ex = pi - Ex
        ElseIf x(3) < 0 And x(4) < 0 Then
            Ex = pi + Ex
        ElseIf x(3) > 0 And x(4) < 0 Then
            Ex = pi * 2 + Ex
        End If
End If
 
    k3 = x(3) / Cos(Ex)
 
    ' 将转换参数写入相应文本框
    txtK3 = Str(k3 - 1)
    Ex = Ex * 180 / pi
    du = Int(Ex): Ex = (Ex - du) * 60
    fen = Int(Ex): Ex = (Ex - fen) * 60
    Ex = Val(Format(Ex, "0.00"))
    Ex = du + fen / 100# + Ex / 10000
    txtEx.Text = Str(Ex)
    textEy.Text = Str(Ey)
    txtEz.Text = Str(Ez)
    txtdX3.Text = Str(x(1))
    txtdY3.Text = Str(x(2))
    txtdZ3.Text = Str(x(3))
End Sub
Private Sub cmdCalc3_Click()
    k3 = Val(txtK3.Text)
    Ex = Val(txtEx.Text): Ex = DoToHu(Ex)
    Ey = Val(txtEy.Text): Ey = DoToHu(Ey)
    Ez = Val(txtEz.Text): Ez = DoToHu(Ez)
    dX3 = Val(txtdX3.Text): dY3 = Val(txtdY3.Text): dZ3 = Val(txtdZ3.Text)
    X3 = Val(txtX3.Text): Y3 = Val(txtY3.Text): Z3 = Val(txtZ3.Text)
    
    Xx3 = (k3 + 1) * (X3 * Cos(Ey) * Cos(Ez) + Y3 * Cos(Ey) * Sin(Ez) - Z3 * Sin(Ey)) + dX3
    Yy3 = (k3 + 1) * (X3 * (-Cos(Ex) * Sin(Ez) + Sin(Ex) * Sin(Ey) * Cos(Ez)) + Y3 * (Cos(Ex) * Cos(Ez) + _
          Sin(Ex) * Sin(Ey) * Sin(Ez)) + Z3 * (Sin(Ex) * Cos(Ey))) + dY3
    Zz3 = (k3 + 1) * (X3 * (Sin(Ex) * Sin(Ez) + Cos(Ex) * Sin(Ey) * Cos(Ez)) + Y3 * (-Sin(Ex) * Cos(Ez) + _
          Cos(Ex) * Sin(Ey) * Sin(Ez)) + Z3 * (Cos(Ex) * Cos(Ey))) + dZ3
    txtXx3.Text = Format(Xx3, "0.0000")
    txtYy3.Text = Format(Yy3, "0.0000")
    txtZz3.Text = Format(Zz3, "0.0000")
End Sub
Private Sub cmdClear3_Click()
txtK3.Text = ""
txtEx.Text = ""
txtEy.Text = ""
txtEz.Text = ""
txtdX3.Text = ""
txtdY3.Text = ""
txtdZ3.Text = ""
txtX3.Text = ""
txtY3.Text = ""
txtZ3.Text = ""
txtXx3.Text = ""
txtYy3.Text = ""
txtZz3.Text = ""
End Sub

Private Sub cmdconCalc3_Click()
    k3 = Val(txtK3.Text)
    Ex = Val(txtEx.Text): Ex = DoToHu(Ex): Ey = Val(txtEy.Text)
    Ey = DoToHu(Ey): Ez = Val(txtEz.Text): Ez = DoToHu(Ez)
    dX3 = Val(txtdX3.Text): dY3 = Val(txtdY3.Text): dZ3 = Val(txtdZ3.Text)
    Xx3 = Val(txtXx3.Text): Yy3 = Val(txtYy3.Text): Zz3 = Val(txtZz3.Text)
    
    X3 = ((Xx3 - dX3) * Cos(Ey) * Cos(Ez) + (Yy3 - dY3) * (-Cos(Ex) * Sin(Ez) + Sin(Ex) * Sin(Ey) * Cos(Ez)) + _
         (Zz3 - dZ3) * (Sin(Ex) * Sin(Ez) + Cos(Ex) * Sin(Ey) * Cos(Ez))) / (k3 + 1)
    Y3 = ((Xx3 - dX3) * Cos(Ey) * Sin(Ez) + (Yy3 - dY3) * (Sin(Ex) * Sin(Ey) * Sin(Ez) + Cos(Ex) * Cos(Ez)) + _
         (Zz3 - dZ3) * (-Sin(Ex) * Cos(Ez) + Cos(Ex) * Sin(Ey) * Sin(Ez))) / (k3 + 1)
    Z3 = ((Xx3 - dX3) * (-Sin(Ey)) + (Yy3 - dY3) * Sin(Ex) * Cos(Ey) + (Zz3 - dZ3) * (Cos(Ex) * Cos(Ey))) / (k3 + 1)
     
    txtX3.Text = Format(X3, "0.0000")
    txtY3.Text = Format(Y3, "0.0000")
    txtZ3.Text = Format(Z3, "0.0000")
End Sub
Private Sub Command12_Click()
End
End Sub



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    以下回复参考:皆我百晓生券券喵儿等免费微信小程序作答:

    在给出的代码中,出现了多次下标越界的问题。这通常是因为在尝试访问数组或集合的某个元素时,该元素的索引超出了数组或集合的实际范围。

    例如,在以下代码段中:

    For i = 1 To n
        If EOF(1) Then
            MsgBox "File ended unexpectedly. Not enough data points."
            Exit Sub
        End If
    
        Input #1, x1(i), y1(i), z1(i), x2(i), y2(i), z2(i)
    Next i
    

    如果 n 的值大于 x1y1z1x2y2z2 的长度,那么就会出现下标越界的问题。

    同样,在初始化矩阵和检查矩阵维度时,如果 n 或其他变量的值与预期不符,也可能导致下标越界。

    为了解决这个问题,你需要确保以下几点:

    1. 在读取文件并赋值给数组之前,确保 n 的值不会超过数组的长度。
    2. 在初始化矩阵和检查矩阵维度时,确保所有维度都是正确的。
    3. 仔细检查所有的数组索引,确保它们在正确的范围内。

    如果你已经检查了这些方面,并且问题仍然存在,那么请提供更具体的错误信息或错误位置,这样我可以更精确地帮助你解决问题。

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