[gradsusr] Eliminate Station Plot Circle

[LeeJoice, Robert N]

Hello,

I¹m working with osvw data and would like GrADS not to plot the station
circle for station data (see attached).  Is makes wind barbs less than an
ideal visualization.  Is that possible?

A possible work around would be the creation of a file with 0.0 for u and v
with a display of the background color to remove, but I figure I better ask
the question first of coding such a solution.

Thanks in advance,

Robert
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