ORD import terrain breaklines form text file

Benedykt

As a workaround, you could import the coordinates into a DGN, and then add the elements to the terrain model as breaklines. The VBA routine below will import your data. NOTES: (1) there is no error checking (2) the SmartLines are created on the current level with current symbology (3) this is just an example and the code is unsupported 

Sub CreateSmartLinesFromFile()
Const ForReading = 1

' Sample data from which SmartLine is created
'Start
'389315.70 639222.42 194.20
'389306.68 639310.05 193.89
'389240.31 639875.59 194.68
'End

   'Add Microsoft Scripting Runtime ( Tools>References ) to use FileSystemObject
   Dim fso As New FileSystemObject
   Dim sourceFile As TextStream
   Dim strLine As String
   'Dim lCount As Long
   '*** NOTE: the text file is hard coded on the next line ***
    Set sourceFile = fso.OpenTextFile("D:\Test.txt", ForReading)
    While Not sourceFile.AtEndOfStream 
        strLine = sourceFile.ReadLine

        Select Case UCase(strLine)
         Case "START"
            'lCount = lCount + 1
            'Debug.Print "Count = " & CStr(lCount)
            CadInputQueue.SendCommand "PLACE SMARTLINE"
            
         Case "END"
            'Debug.Print "End"
            CadInputQueue.SendReset
            CommandState.StartDefaultCommand
            
         Case Else
            Dim tArr() As String
            Dim point As Point3d
            tArr = Split(strLine, " ")
            'Debug.Print "X=" & tArr(0) & " Y=" & tArr(1) & " Z=" & tArr(2)
            With point
               .X = CDbl(tArr(0))
               .Y = CDbl(tArr(1))
               .Z = CDbl(tArr(2))
            End With
            CadInputQueue.SendDataPoint point, 1
       End Select
    Wend
    sourceFile.Close

End Sub

Adding survey linking codes might be an option. That workflow would depend on the volume of edits in the ascii file your using as a dataset.

Example edits below:

389315.70 639222.42 194.20 start
389306.68 639310.05 193.89
389301.92 639358.50 193.55
389303.02 639367.38 193.38
389298.73 639408.97 193.21
389291.78 639463.40 193.38
389283.19 639536.03 193.55
389275.41 639590.54 193.05
389268.29 639647.29 192.88
389263.05 639698.88 193.05
389257.53 639748.12 193.55
389254.16 639776.38 194.17
389247.57 639818.38 193.83
389240.31 639875.59 194.68 end