[ncl-talk] plotting with ncl - longitude mismatch

[Jayant]

Thanks Adam for your inputs. The problem is solved by replacing fbindirread
with fbinrecread.

On Wed, Apr 7, 2021 at 1:10 PM Adam Phillips <asphilli at ucar.edu> wrote:

> Hi Jayant,
> The GrADS control file indicates that the longitudes start at 0 and have
> an increment of 0.9375.  NCL's lonGlobeFo function will create a longitude
> array that is offset from the Prime Meridian. If you switch the call to
> lonGlobeF I think the longitude array will be set up correctly. That being
> said, this is a small fix to the longitudes and does not explain a 30
> degree shift in your plotting script. Are you getting any error messages
> from either NCL or GrADS? Your GrADS ctl file indicates that it is set up
> to read a file with multiple levels, but your NCL script seems to indicate
> that there are not multiple levels in the binary file, and each record is a
> different time step? Make sure you are analyzing the same level and time
> step between the two software packages. Other than that, I do not know what
> to suggest. Others might have better suggestions.
> Hope that helps!
> Adam
>
> On Tue, Apr 6, 2021 at 9:00 PM Jayant via ncl-talk <
> ncl-talk at mailman.ucar.edu> wrote:
>
>> I am reading our model simulated gridded binary file in NCL. Please take
>> a look at the two attached precipitation plots.The one using NCL shows a
>> shift (in longitude) in the precipitation features compared to the one
>> plotted using GrADS. Why there appears to be a mismatch? Am I overlooking
>> something? The ctl file and the ncl script is also attached.
>>
>>
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>
>
> --
> Adam Phillips
> Associate Scientist,  Climate and Global Dynamics Laboratory, NCAR
> www.cgd.ucar.edu/staff/asphilli/   303-497-1726
>
> <http://www.cgd.ucar.edu/staff/asphilli>
>
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