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MicroStation Wiki Reading the Length of All Arcs
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    Reading the Length of All Arcs

       
      Applies To 
       
      Product(s): MicroStation
      Version(s): 08.11.09.578
      Environment:  Windows 7 32 bit,Windows 7 64 bit
      Area:  Programming
      Subarea:  VBA
      Original Author: Tristan Anderson, Bentley Technical Support Group
       

     

    We are often faced with the task of knowing the lengths of certain elements in a drawing.
    Here is a simple example using VBA that adds up the length of all existing arcs in the active model sheets.

    Sub arcLength()
    Dim sum As Double
    sum = 0
    Dim ee As ElementEnumerator
    Dim Sc As New ElementScanCriteria
    Sc.ExcludeAllTypes
    Sc.IncludeType msdElementTypeArc
    Set ee = ActiveModelReference.GraphicalElementCache.Scan(Sc)
    Do While ee.MoveNext
     sum = sum + ee.Current.AsArcElement.Length
    Loop
    If sum = 0 Then
        MsgBox "No Sheets Found", vbOKOnly
    Else
        MsgBox "Total length of all sheets: " & sum, vbOKOnly
        Debug.Print sum
    End If
    End Sub

    In the above example, the active arcs' model is read, and then the lengths of the individual active arcs are read and added together.
    The result is displayed in a dialog box, or if no sheet has been found that is specified.

    • VBAWindows 7 32 bit
    • MicroStation
    • Windows 7 64 bit
    • Programming
    • en
    • 08.11.09.578
    • SELECTsupport
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    • Tristan Anderson Created by Bentley Colleague Tristan Anderson
    • When: Wed, Jul 1 2015 9:28 AM
    • Tristan Anderson Last revision by Bentley Colleague Tristan Anderson
    • When: Wed, Jul 1 2015 9:29 AM
    • Revisions: 2
    • Comments: 0
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