[gradsusr] Eliminate Station Plot Circle

[Jennifer Adams]

On Mar 7, 2011, at 6:08 PM, LeeJoice, Robert N wrote:

> Hello,
>
> I’m 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?
The circle is there to show the cloud cover, so there isn't a setting  
to disable it.
>
> 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.
If u or v is 0.0, then GrADS won't draw the barb -- it draws a bigger  
circle to indicate calm wind. I was able to mask out the circle by  
overlaying another display with 'gxout stnmark' drawn with the  
background color.

size=0.1
'set digsiz 'size
'set ccolor 1'
'set gxout model'
'd maskout(us,us-0.1);vs;0;0;0;0;0;0;0'

'set gxout stnmark'
'set digsiz 'size*2
'set ccolor 0'
'set cmark 2'
'd const(us,1)'

--Jennifer



>
> Thanks in advance,
>
> Robert
> <rainflags.gif>_______________________________________________
> gradsusr mailing list
> gradsusr at gradsusr.org
> http://gradsusr.org/mailman/listinfo/gradsusr

--
Jennifer M. Adams
IGES/COLA
4041 Powder Mill Road, Suite 302
Calverton, MD 20705
jma at cola.iges.org



-------------- next part --------------
An HTML attachment was scrubbed...
URL: http://gradsusr.org/pipermail/gradsusr/attachments/20110308/c4718462/attachment-0003.html