Re: Plotting wind profiler data

Hi Tracy,
I think you might want to set vcMapDirection = False to disassociate the
coordinate plane
from the wind barbs..

See:
http://www.ncl.ucar.edu/Document/Graphics/Resources/vc.shtml#vcMapDirection
http://www.ncl.ucar.edu/Applications/barb.shtml#ex4

Other examples can be found by going here:
http://www.ncl.ucar.edu/Applications/res_list.shtml
and searching for "vcMapDirection"

(I am not 100% certain that this is the issue so definitely take a good
look at the data to be plotted and the resulting plot to make sure all
is well.)

Hope that solves the issue. If not, please respond to ncl-talk.
Adam

On 05/28/2014 02:53 PM, Tracy Emerson wrote:
> Hello,
>
> I've plotted my data using barb_4.ncl as an example. The data did not
> originally have the height attribute attached (and of course gave
> warnings with time axis being seconds_since.....), so the barbs were
> plotted with the x and y axis ticks being bin numbers (1st image).
>
> I attached the height coordinate variable and converted the time to
> create the proper x and y axis (2nd image), however the barb direction
> is definitely incorrect. It appears the barb direction is dependent on
> the scaling of x and y ticks, which makes me wonder if the 1st plot
> was correct since the scaling was different there as well.
>
> What is the best way to create this plot so the barb directions are
> accurate and I have nice axis ticks/labels? Can send data if needed.
>
> Thanks much!
> Tracy
>
>
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-- 
______________________________________________________________
Adam Phillips                                asphilli@ucar.edu
NCAR/Climate and Global Dynamics Division       (303) 497-1726
P.O. Box 3000				
Boulder, CO 80307-3000    http://www.cgd.ucar.edu/staff/asphilli

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Received on Wed May 28 15:05:20 2014