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Problem: Vertical labels are displayed upside-down

Description

Vertical Chinese, Japanese or Korean (CJK) labels display upside-down.

Cause

An inverted label tolerance to control label direction was introduced in ArcGIS 9.0 for both the standard ArcMap and Maplex label engines to accommodate different regional preferences. Vertical CJK labels display upside-down at 90 and 270 degrees with the default tolerance setting of 2 degrees.

Solution or Workaround

Change the tolerance to -2 degrees. Modify the tolerance setting for each existing map document.

Default value for new map documents can be changed by modifying a registry key.

  1. From the Labeling toolbar, click Labeling and select Options. In "Labeling Options" dialog, choose "General" tab, find "Orientation of Vertical Labels." Change the angle to -2.
  2. On the Labeling Options dialog box, select the General tab, change the Orientation of Vertical Labels to -2.
    [O-image]Vertical label tolerance
  3. To change the default tolerance, open Windows Registry Editor and modify the default value for the tolerance registry key.
    Warning:
    The instructions below include making changes to essential parts of your operating system. It is recommended that you backup your operating system and files, including the registry, before proceeding. Consult with a qualified computer systems professional, if necessary.
    
    Esri cannot guarantee results from incorrect modifications while following these instructions; therefore, use caution and proceed at your own risk.
    a. Navigate to Start > Run, type regedit and click OK.
    b. Navigate to HKEY_CURRENT_USER\Software\ESRI\ArcMap\Settings\Annotation\.
    c. Double-click InvertedLabelTolerance to edit the Value data.
    d. Change the Value data to -2 and click OK.
    e. Close the Registry Editor.