Re: overlay plot ncl 5.2.0 and earlier

Hi Jan,
We are not aware of any issues or changes to the gsn_contour_shade
function between version 5.1.0 and 5.2.0. (Which doesn't rule out that
something else was changed somewhere else that could cause this.) Could
you send us your script and data so we could do the testing here?

ftp ftp.cgd.ucar.edu
anonymous
Use your email address for the password
cd incoming
put ...
put ...
    :
quit

Please send me an email detailing the names of the data files/script, as
we cannot see what is placed in the incoming directory.
Thanks!
Adam

On 07/12/2010 03:46 AM, Jan Sedlacek wrote:
> Hi
>
> I'm plotting precipitation anomalies form a model ensemble and I'm
> superimposing the significance with an overlay function. The code bit
> looks like this:
>
> plot(1) = gsn_csm_contour_map_polar(wks,precip_trans(1,:,:),res)
>
> plot2 = gsn_contour(wks,precip_signif_trans(1,:,:),resb)
> plot2 = gsn_contour_shade(plot2,-1,1,opt)
>
> overlay(plot(1),plot2)
>
> What I discovered is that the significance which is dotted in the plot
> differs between the ncl versions. We have several versions installed and
> running and it seems that the change occured betwen versions 5.1.0 and
> 5.1.1. We tested it with different precompiled versions from your
> website and with the same versions we compiled ourselves. The results
> are the same.
>
> I have attached two plots, one from ncl 5.1.0 and one from 5.2.0 just to
> give an example. On the left hand panel is a simple contour plot from
> the significance and on the right hand panel is the plot as it should
> be. The dots in the right hand panel should cover the same area as the
> blue regions from the left hand panel. I have the impression that
> version 5.1.0 draws the dots at the right place while 5.2.0 does not.
>
> Is it possible that this is a bug? Or is there something that I need to
> adjust in the code to make it work properly with newer versions?
>
> Thanks a lot and have a nice day,
> Jan
>
>
>
>
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-- 
__________________________________________________
Adam Phillips 
asphilli@ucar.edu
National Center for Atmospheric Research   tel: (303) 497-1726
Climate and Global Dynamics Division         fax: (303) 497-1333
P.O. Box 3000				
Boulder, CO 80307-3000    http://www.cgd.ucar.edu/cas/asphilli
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