Re: Drawing streamlines freezes NCL script

Samuel,

Localizing the problem to gsn_csm_streamline is good information.
That grid size is reasonable for streamline.

We have made many NCL streamline plots here with good results. I
see that NCL support is taking a look at your script. You might
just want to wait for their reply.

They only other strategy that I can suggest is to put
gsn_csm_streamline in standalone plot mode, maybe change to a
simpler input file, and reduce the script and array size down to the
absolute minimum to make a streamline plot. I believe there are
working examples on the NCL website that you should be able to morph
into your data.

Dave Allured
CU/CIRES Climate Diagnostics Center (CDC)
http://cires.colorado.edu/science/centers/cdc/
NOAA/ESRL/PSD, Climate Analysis Branch (CAB)
http://www.cdc.noaa.gov/psd1/

Leung Samuel wrote:
> Hi Dave,
>
> > In your code excerpt I can't tell whether these are set for res, but
> > they are definitely missing for resS.
>
> For the res and resS I tried both gsnFrame and gsnDraw but the problem
> still exists.
>
> > Please insert print statements between the last 5 lines of the
> program to find out exactly where NCL is hanging.
>
> Yes and I noticed that the NCL is hanging at gsn_csm_streamline
>
> > Also try to make the streamline plot directly without using overlay.
>
> I did. I commented the base plot to solely draw the streamline but the
> problem persists.
>
> > Also, what array sizes are are you using?
>
> The arrays of uu and vv are 285 x 389.
>
> Regards,
> Samuel
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Received on Fri Apr 17 2009 - 12:12:26 MDT