📄 三点圆曲线.frm
字号:
VERSION 5.00
Begin VB.Form frmsdyqxsj
BorderStyle = 3 'Fixed Dialog
Caption = "三点圆曲线设计"
ClientHeight = 4140
ClientLeft = 45
ClientTop = 330
ClientWidth = 5310
Icon = "三点圆曲线.frx":0000
KeyPreview = -1 'True
LinkTopic = "Form1"
MaxButton = 0 'False
MinButton = 0 'False
ScaleHeight = 4140
ScaleWidth = 5310
ShowInTaskbar = 0 'False
StartUpPosition = 2 '屏幕中心
Begin VB.Frame Frame2
Caption = "计算结果"
Height = 1695
Left = 0
TabIndex = 19
Top = 1920
Width = 5295
Begin VB.ListBox List1
Height = 1320
Left = 120
TabIndex = 20
Top = 240
Width = 5055
End
End
Begin VB.Frame Frame1
Caption = "原始数据"
Height = 1815
Left = 0
TabIndex = 9
Top = 40
Width = 5295
Begin VB.TextBox Text8
Height = 270
Left = 4080
TabIndex = 7
Text = "Text8"
ToolTipText = "单位：m"
Top = 1440
Width = 1095
End
Begin VB.TextBox Text7
Height = 270
Left = 4080
TabIndex = 6
Text = "Text7"
ToolTipText = "单位：m"
Top = 1080
Width = 1095
End
Begin VB.TextBox Text6
Height = 270
Left = 4080
TabIndex = 5
Text = "Text6"
ToolTipText = "单位：m"
Top = 720
Width = 1095
End
Begin VB.TextBox Text5
Height = 270
Left = 4080
TabIndex = 4
Text = "Text5"
ToolTipText = "单位：m"
Top = 360
Width = 1095
End
Begin VB.TextBox Text4
Height = 270
Left = 1440
TabIndex = 3
Text = "Text4"
ToolTipText = "单位：m"
Top = 1440
Width = 1095
End
Begin VB.TextBox Text3
Height = 270
Left = 1440
TabIndex = 2
Text = "Text3"
ToolTipText = "如36°15′45″按36.1545输入"
Top = 1080
Width = 1095
End
Begin VB.TextBox Text2
Height = 270
Left = 1440
TabIndex = 1
Text = "Text2"
ToolTipText = "如36°15′45″按36.1545输入"
Top = 720
Width = 1095
End
Begin VB.TextBox Text1
Height = 270
Left = 1440
TabIndex = 0
Text = "Text1"
ToolTipText = "如36°15′45″按36.1545输入"
Top = 360
Width = 1095
End
Begin VB.Label Label8
Caption = "交点A桩号 ＝"
Height = 255
Left = 2880
TabIndex = 18
Top = 720
Width = 1095
End
Begin VB.Label Label5
Caption = "曲线半径R ＝"
Height = 255
Left = 2880
TabIndex = 17
Top = 1080
Width = 1215
End
Begin VB.Label Label2
Caption = "基线长度BC＝"
Height = 255
Left = 2880
TabIndex = 16
Top = 360
Width = 1335
End
Begin VB.Label Label1
Caption = "交点C偏角PJc＝"
Height = 255
Left = 120
TabIndex = 15
Top = 1080
Width = 1335
End
Begin VB.Label Label7
Caption = "交点A偏角PJa＝"
Height = 255
Left = 120
TabIndex = 14
Top = 360
Width = 1335
End
Begin VB.Label Label6
Caption = "交点B偏角PJb＝"
Height = 255
Left = 120
TabIndex = 13
Top = 720
Width = 1575
End
Begin VB.Label Label4
Caption = "缓和曲线LS＝"
Height = 255
Left = 2880
TabIndex = 12
Top = 1440
Width = 1215
End
Begin VB.Label Label3
Caption = "基线长度AB ＝"
Height = 255
Left = 120
TabIndex = 11
Top = 1440
Width = 1335
End
End
Begin VB.CommandButton Command2
Caption = "关闭"
Height = 375
Left = 4440
TabIndex = 10
Top = 3720
Width = 855
End
Begin VB.CommandButton Command1
Caption = "计算"
Height = 375
Left = 3480
TabIndex = 8
Top = 3720
Width = 855
End
End
Attribute VB_Name = "frmsdyqxsj"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
Private Sub Command1_Click()
'计算
On Error GoTo handlerror
ja = Val(Text1.Text)
sjwjs = ja
Call dfmhhd
pja = hudu
jb = Val(Text2.Text)
sjwjs = jb
Call dfmhhd
pjb = hudu
jc = Val(Text3.Text)
sjwjs = jc
Call dfmhhd
pjc = hudu
ab = Val(Text4.Text)
bc = Val(Text5.Text)
jda = Val(Text6.Text)
r = Val(Text7.Text)
ls = Val(Text8.Text)
p = ls * ls / 24 / r
q = ls / 2 - ls * ls * ls / 240 / r / r
b = ls / 2 / r
pj = pja + pjb + pjc
If pj - 2 * b < 0 Then
xianshi = MsgBox("请增加半径或减少缓和曲线长度后再计算。", vbInformation, "问题提示")
Exit Sub
End If
ac = Sqr(ab * ab + bc * bc + 2 * ab * bc * Cos(pjb))
u = bc / ac * Sin(pjb)
v = ab / ac * Sin(pjb)
aj = Atn(u / Sqr(1 - u * u))
cj = Atn(v / Sqr(1 - v * v))
ad = Sin(pjc + cj) / Sin(pj) * ac
dc = Sin(pja + aj) / Sin(pj) * ac
th = (r + p) * Tan(pj / 2) + q
ta = th - ad
tc = th - dc
ly = (pj - 2 * b) * r
lh = ls + ly + ls
zh = jda - ta
hy = zh + ls
qz = hy + ly / 2
yh = hy + ly
hz = yh + ls
List1.Clear
List1.AddItem ""
List1.AddItem " ～～～～～～～曲线要素～～～～～～～"
List1.AddItem " 路线交桩号 （m）JDA＝ " + Str(jda)
List1.AddItem " 路线偏角（°′″）PJa＝ " + Str(ja)
List1.AddItem " 路线偏角（°′″）PJb＝ " + Str(jb)
List1.AddItem " 路线偏角（°′″）PJc＝ " + Str(jc)
List1.AddItem " 基线长度 AB ＝ " + Str(ab)
List1.AddItem " 基线长度 BC ＝ " + Str(bc)
List1.AddItem " 圆曲线半径 （m）R ＝ " + Str(Int(r * 1000 + 0.5) / 1000)
List1.AddItem " 缓和曲线长度 （m）Ls ＝ " + Str(Int(ls * 1000 + 0.5) / 1000)
List1.AddItem " 切线长度 （m）Th ＝ " + Str(Int(th * 1000 + 0.5) / 1000)
List1.AddItem " 前切线长度 （m）TA ＝ " + Str(Int(ta * 1000 + 0.5) / 1000)
List1.AddItem " 后切线长度 （m）TC ＝ " + Str(Int(tc * 1000 + 0.5) / 1000)
List1.AddItem " 中间圆曲线长 （m）Ly ＝ " + Str(Int(ly * 1000 + 0.5) / 1000)
List1.AddItem " 平曲线全长 （m）Lh ＝ " + Str(Int(lh * 1000 + 0.5) / 1000)
List1.AddItem ""
List1.AddItem " －－－－－－控制点桩号－－－－－－"
List1.AddItem " ZH= " + Str(Int(zh * 1000 + 0.5) / 1000)
List1.AddItem " HY= " + Str(Int(hy * 1000 + 0.5) / 1000)
List1.AddItem " QZ= " + Str(Int(qz * 1000 + 0.5) / 1000)
List1.AddItem " YH= " + Str(Int(yh * 1000 + 0.5) / 1000)
List1.AddItem " HZ= " + Str(Int(hz * 1000 + 0.5) / 1000)
Exit Sub
handlerror:
xianshi = MsgBox("请检查输入的数据后再计算。", vbInformation, "问题提示")
End Sub
Private Sub Command2_Click()
'关闭
On Error GoTo handlerror
If List1.ListCount > 1 And rjsfzc = 88 Then
frmMain.Text1 = frmMain.Text1 & vbCrLf & ""
frmMain.Text1 = frmMain.Text1 & vbCrLf & " 十三、三点圆曲线设计计算结果："
For i = 0 To List1.ListCount - 1
frmMain.Text1 = frmMain.Text1 & vbCrLf & List1.List(i)
Next i
frmMain.Text1 = frmMain.Text1 & vbCrLf & " --------------------------------------"
End If
Unload Me
Exit Sub
handlerror:
End Sub
Private Sub Form_KeyPress(KeyAscii As Integer)
'Esc键退出，VbEscape可以用27代替
On Error GoTo handlerror
If KeyAscii = 27 Then
Unload Me
End If
Exit Sub
handlerror:
End Sub
Private Sub Form_Load()
'启动
Text1.Text = ""
Text2.Text = ""
Text3.Text = ""
Text4.Text = ""
Text5.Text = ""
Text6.Text = ""
Text7.Text = ""
Text8.Text = ""
List1.Clear
List1.AddItem "长度：米，角度：如36°15′45″按36.1545输入"
End Sub
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