Annotation is displayed at strange angles in ArcGIS 9.2

Last Published: April 26, 2020


In ArcGIS 9.2, some annotation feature classes display at angles that contradict their bounding box.
An image of an annotation feature that incorrectly displays beyond the box.
Checking the angle set for the feature in the attribute table does not fix this issue.


The two-point text baselines for annotation features is too small. When an annotation feature class uses a two-point text baseline, the angle is derived from these points.

When the annotation feature class is snapped to the new high precision spatial reference, the tiny positional change results in a massively different text angle.


Use the following script to fix this issue:
  1. Add the problematic data to ArcMap.
  2. Navigate to Editor > Start Editing to begin an edit session.
  3. Ensure the Target on the Editor toolbar is set to the offending annotation feature class.
  4. Start the Visual Basic Editor by navigating to Tools > Macros > Visual Basic Editor.
  5. In the Project Explorer window, expand the Project > ArcMap Objects folder and double-click ThisDocument.
    [O-Image] [O] object vb_thisdocument
    Code in ThisDocument module only runs in the current map document. To store the code in all map documents, open the Normal.mxt ThisDocument code module.
  6. Copy the following into the code module. 
    Option Explicit
    'Set this flag to false to make a one point baseline, otherwise it'll make
    'a two point baselines which is generally desired
    Private Const MakeTwoPoint As Boolean = True
    Public Sub SmallBaselineToOneorTwoPointBaseline()
        Dim pApp As IApplication
        Dim pEditor As IEditor
        Dim pMxDoc As IMxDocument
        Dim pEnumFeature As IEnumFeature
        Dim pAnnoFeat As IAnnotationFeature
        Dim pElement As IElement
        Dim pPolyline As IPolyline
        Dim pFeature As IFeature
        Dim pGeometry As IGeometry
        Dim Count As Integer
        Dim pID As New UID
        Dim pPointCollection As IPointCollection
        pID = "esriEditor.Editor"
        Set pApp = Application
        Set pMxDoc = pApp.Document
        Set pEditor = pApp.FindExtensionByCLSID(pID)
        If pEditor.EditState = esriStateNotEditing Then
          MsgBox "Please start an edit session and select annotation features."
          Exit Sub
        End If
        Set pEnumFeature = pEditor.EditSelection
        Set pFeature = pEnumFeature.Next
        For Count = 0 To pEditor.SelectionCount - 1
           If TypeOf pFeature Is IAnnotationFeature Then
            Set pAnnoFeat = pFeature
            Set pElement = pAnnoFeat.Annotation
            If TypeOf pElement Is ITextElement Then
                Set pGeometry = pElement.Geometry
                If TypeOf pGeometry Is IPolyline Then
                    Set pPointCollection = pGeometry
                    If pPointCollection.PointCount = 2 Then
                            If MakeTwoPoint = True Then
                              pAnnoFeat.Annotation = MakeTwoPointGeometry(pElement, pFeature.Shape)
                              pElement.Geometry = MakeOnePointGeometry(pElement)
                              pAnnoFeat.Annotation = pElement
                            End If
                            Debug.Print "Updated Feature: " & pFeature.OID
                    End If
                End If
            End If
           End If
        Set pFeature = pEnumFeature.Next
        Next Count
        pEditor.StopOperation ("Update text with small two point baselines to proper geometries")
        Dim pActiveView As IActiveView
        Set pActiveView = pMxDoc.ActiveView
        pActiveView.PartialRefresh esriViewGeography, Nothing, pActiveView.extent
    End Sub
    Private Function MakeOnePointGeometry(pTextElement As ITextElement) As IGeometry
      Dim pElement As IElement
      Set pElement = pTextElement
      Dim pGeometry As IGeometry
      Dim pPolyline As IPolyline
      Set pGeometry = pElement.Geometry
      If TypeOf pGeometry Is IPolyline Then
        Set pPolyline = pGeometry
        MsgBox "This function only works with polyline text element geometries"
      End If
      Dim pPoint As IPoint
      Set pPoint = New Point
      Set pPoint.SpatialReference = pGeometry.SpatialReference
      Dim horzAlign As esriTextHorizontalAlignment
      'generate the correct point based on the horzizontal alignment
      Select Case horzAlign
      Case esriTHALeft
        pPolyline.QueryFromPoint pPoint
      Case esriTHARight
        pPolyline.QueryToPoint pPoint
      Case Else 'esriTHACenter and esriTHAFull
        pPolyline.QueryPoint esriNoExtension, 0.5, True, pPoint 'get midpoint
      End Select
      Set MakeOnePointGeometry = pPoint
    End Function
    Private Function MakeTwoPointGeometry(pTextElement As ITextElement, pPolygon As IPolygon) As IElement
      'with a rectangluar shape of the elements bounds
      'we'll delete all but two points from the polygon
      'and then make a line from it
      Dim pPointColl As IPointCollection
      Set pPointColl = pPolygon
      'remove points 5,1,2 leaving points 0 and 4 (the lower left and right corners)
      pPointColl.RemovePoints 4, 1
      pPointColl.RemovePoints 1, 2
      'make a new polyline from the point collection
      Dim pPointColl2 As IPointCollection
      Set pPointColl2 = New Polyline
      pPointColl2.AddPointCollection pPointColl
      'set the geometry of the text element to be the polyline
      'this will make it a two point textpath
      Dim pElement As IElement
      Set pElement = pTextElement
      pElement.Geometry = pPointColl2
      Set pTextElement = pElement
      Dim pSymbolCollectionElement As ISymbolCollectionElement
      'we need to reset the offset and vertical alignment because the feature shape doesn't
      'represent it.  Otherwise, the text will move if it has offsets
      Set pSymbolCollectionElement = pTextElement
      pSymbolCollectionElement.XOffset = 0
      pSymbolCollectionElement.YOffset = 0
      pSymbolCollectionElement.VerticalAlignment = esriTVABottom
      Set MakeTwoPointGeometry = pElement
    End Function
  7. Save and close the Visual Basic Editor.
  8. Run the code.
    1. Click Tools > Macros > Macros to display the macros dialog box.
    2. Select a macro and click Run.

Article ID:000009429

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  • ArcMap 9 x

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