?? form1.frm
字號:
VERSION 5.00
Begin VB.Form Form1
Caption = "坐標正反算"
ClientHeight = 5115
ClientLeft = 60
ClientTop = 450
ClientWidth = 6045
ControlBox = 0 'False
ForeColor = &H000000FF&
LinkTopic = "Form1"
MinButton = 0 'False
Picture = "Form1.frx":0000
ScaleHeight = 5115
ScaleWidth = 6045
StartUpPosition = 3 '窗口缺省
Begin VB.TextBox Text6
Height = 375
Left = 3840
TabIndex = 15
Top = 3360
Width = 1335
End
Begin VB.TextBox Text5
Height = 375
Left = 1440
TabIndex = 14
Top = 3240
Width = 1335
End
Begin VB.CommandButton Command3
Caption = "退出"
BeginProperty Font
Name = "楷體_GB2312"
Size = 10.5
Charset = 134
Weight = 700
Underline = -1 'True
Italic = 0 'False
Strikethrough = 0 'False
EndProperty
Height = 495
Left = 4560
MaskColor = &H000000FF&
TabIndex = 13
Top = 4440
UseMaskColor = -1 'True
Width = 1095
End
Begin VB.CommandButton Command2
Caption = "刷新"
BeginProperty Font
Name = "楷體_GB2312"
Size = 10.5
Charset = 134
Weight = 700
Underline = -1 'True
Italic = 0 'False
Strikethrough = 0 'False
EndProperty
Height = 495
Left = 2640
MaskColor = &H000000FF&
TabIndex = 12
Top = 4440
Width = 1095
End
Begin VB.CommandButton Command1
Caption = "計算"
BeginProperty Font
Name = "楷體_GB2312"
Size = 10.5
Charset = 134
Weight = 700
Underline = -1 'True
Italic = 0 'False
Strikethrough = 0 'False
EndProperty
Height = 495
Left = 840
MaskColor = &H000000FF&
TabIndex = 11
Top = 4440
Width = 1095
End
Begin VB.TextBox Text4
BackColor = &H00FFFFFF&
BeginProperty Font
Name = "宋體"
Size = 10.5
Charset = 134
Weight = 700
Underline = 0 'False
Italic = 0 'False
Strikethrough = 0 'False
EndProperty
ForeColor = &H00FF0000&
Height = 400
Left = 3840
TabIndex = 4
Top = 2400
Width = 1300
End
Begin VB.TextBox Text3
BackColor = &H00FFFFFF&
BeginProperty Font
Name = "宋體"
Size = 10.5
Charset = 134
Weight = 700
Underline = 0 'False
Italic = 0 'False
Strikethrough = 0 'False
EndProperty
ForeColor = &H00FF0000&
Height = 400
Left = 1440
TabIndex = 3
Top = 2400
Width = 1300
End
Begin VB.TextBox Text2
BackColor = &H00FFFFFF&
BeginProperty Font
Name = "宋體"
Size = 10.5
Charset = 134
Weight = 700
Underline = 0 'False
Italic = 0 'False
Strikethrough = 0 'False
EndProperty
ForeColor = &H00FF0000&
Height = 400
Left = 3840
TabIndex = 2
Top = 1560
Width = 1300
End
Begin VB.TextBox Text1
BackColor = &H00FFFFFF&
BeginProperty Font
Name = "宋體"
Size = 10.5
Charset = 134
Weight = 700
Underline = 0 'False
Italic = 0 'False
Strikethrough = 0 'False
EndProperty
ForeColor = &H00FF0000&
Height = 400
Left = 1440
TabIndex = 1
Top = 1560
Width = 1300
End
Begin VB.Label Label6
Caption = "Y:"
BeginProperty Font
Name = "楷體_GB2312"
Size = 12
Charset = 134
Weight = 400
Underline = 0 'False
Italic = 0 'False
Strikethrough = 0 'False
EndProperty
ForeColor = &H00FF00FF&
Height = 375
Left = 600
TabIndex = 7
Top = 2400
Width = 735
End
Begin VB.Image Image3
Height = 375
Left = 4080
Picture = "Form1.frx":0904
Stretch = -1 'True
Top = 4560
Width = 375
End
Begin VB.Image Image2
Height = 420
Left = 2160
Picture = "Form1.frx":2826
Stretch = -1 'True
Top = 4560
Width = 435
End
Begin VB.Image Image1
Height = 375
Left = 480
Picture = "Form1.frx":2BB2
Stretch = -1 'True
Top = 4560
Width = 360
End
Begin VB.Label Label9
Caption = "H："
BeginProperty Font
Name = "宋體"
Size = 10.5
Charset = 134
Weight = 700
Underline = 0 'False
Italic = 0 'False
Strikethrough = 0 'False
EndProperty
ForeColor = &H000000FF&
Height = 375
Left = 3120
TabIndex = 10
Top = 3360
Width = 1095
End
Begin VB.Label Label8
Caption = "Z："
BeginProperty Font
Name = "宋體"
Size = 10.5
Charset = 134
Weight = 700
Underline = 0 'False
Italic = 0 'False
Strikethrough = 0 'False
EndProperty
ForeColor = &H000000FF&
Height = 495
Left = 600
TabIndex = 9
Top = 3480
Width = 975
End
Begin VB.Label Label7
Caption = "L:"
BeginProperty Font
Name = "楷體_GB2312"
Size = 10.5
Charset = 134
Weight = 400
Underline = 0 'False
Italic = 0 'False
Strikethrough = 0 'False
EndProperty
ForeColor = &H00FF00FF&
Height = 495
Left = 3120
TabIndex = 8
Top = 2400
Width = 735
End
Begin VB.Label Label5
Caption = "B:"
BeginProperty Font
Name = "楷體_GB2312"
Size = 10.5
Charset = 134
Weight = 400
Underline = 0 'False
Italic = 0 'False
Strikethrough = 0 'False
EndProperty
ForeColor = &H00FF00FF&
Height = 375
Left = 3120
TabIndex = 6
Top = 1680
Width = 495
End
Begin VB.Label Label4
Caption = "X:"
BeginProperty Font
Name = "楷體_GB2312"
Size = 12
Charset = 134
Weight = 400
Underline = 0 'False
Italic = 0 'False
Strikethrough = 0 'False
EndProperty
ForeColor = &H00FF00FF&
Height = 375
Left = 600
TabIndex = 5
Top = 1560
Width = 375
End
Begin VB.Label Label1
Alignment = 2 'Center
Caption = "大地坐標系與空間直角坐標系迭代轉換"
BeginProperty Font
Name = "黑體"
Size = 14.25
Charset = 134
Weight = 400
Underline = -1 'True
Italic = 0 'False
Strikethrough = 0 'False
EndProperty
ForeColor = &H000000FF&
Height = 615
Left = 1440
TabIndex = 0
Top = 240
Width = 3255
End
End
Attribute VB_Name = "Form1"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
Private Sub Command1_Click()
X = Val(Text1.Text): B = Val(Text2.Text)
Y = Val(Text3.Text): l = Val(Text4.Text)
z = Val(Text5.Text): H = Val(Text6.Text)
Dim B0, N0, H0, B1, H1, n1, L0, a, c, e0, b2 As Single
a = 6378245
c = 6356863.01877
e0 = 0.006693421623
L0 = 180 * (Atn(Y / X)) / 3.1415926
N0 = a
H0 = Sqr(X * X + Y * Y + z * z) - Sqr(a * c)
B0 = Atn((z / Sqr(X * X + Y * Y)) / (1 - ((e0 * N0) / (N0 + H0))))
n1 = a / (Sqr(1 - e0 * (Sin(B0) * Sin(B0))))
B1 = Atn((z / Sqr(X * X + Y * Y)) / (1 - ((e0 * n1) / (n1 + H1))))
H1 = (Sqr(X * X + Y * Y) / Cos(B0)) - n1
Print H0
Do
H0 = H1
B0 = B1
N0 = n1
n1 = a / (Sqr(1 - e0 * (Sin(B0) * Sin(B0))))
B1 = Atn((z / Sqr(X * X + Y * Y)) / (1 - ((e0 * n1) / (n1 + H1))))
H1 = (Sqr(X * X + Y * Y) / Cos(B0)) - n1
Loop Until Abs(H0 - H1) <= 0.0001 And Abs(B0 - B1) <= 0.00001
b2 = 180 * B1 / 3.1415926
Text2.Text = b2: Text4.Text = L0: Text6.Text = H1
'Print B1; l; H1
'B & "的值為："; B1
'l = L0
'H = H0
End Sub
Private Sub Command2_Click()
Text1.Text = "": Text2.Text = ""
Text3.Text = "": Text4.Text = ""
Text5.Text = "": Text6.Text = ""
End Sub
Private Sub Command3_Click()
End
End Sub
Private Sub Form_Load()
Form1.Picture = LoadPicture("")
End Sub
Private Sub Label10_Click()
End Sub
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