RiverWare 6.4: Revision to Plot Marker Label Alignment Controls
Phil Weinstein, 10-8-2013

In Plot Marker configuration dialog, the nonsensical Label Alignment checkboxes have been replaced with two sets of three sensical radio buttons:

RiverWare 6.3
RiverWare 6.4

In the old design, the user could select ALL or NONE of the Label Alignment checkboxes, including simultaneous checks for "Left" and "Right" and "Center (horz)".  (Similar for the vertical dimension).  As it was, "Left" had priority over "Right" which had priority over "Center (horz)", which was the default if no horizontal alignment buttons were checked.  So, the THREE "center" checkboxes actually _never_ had any effect. Pretty nuts.

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