[ncl-talk] NCL bug using set values

[Cathy Smith (NOAA Affiliate)]

Mary
That worked when I tried it. Thanks.

Would I be better off using the regular gsn commands to create 
animations or is set values what one should use if I am trying to make 
animations that don't take too long to create?

Cathy


On 11/19/14 3:30 PM, Mary Haley wrote:
> ​Hi Cathy,
>
> None of the "gsnXXXXX" resources are recognized by setvalues or 
> getvalues, because the gsnXXXX resources are ones that the gsn_xxxx 
> scripts recognize, and not one that the core NCL language recognizes.
>
> If you need to plot the data with the cyclic point added, but still be 
> able to use setvalues in the way that this example does, then you can 
> try the unadvertised gsn_add_cyclic_point function which is what 
> "gsnAddCyclic" uses "under the hood".
>
> So, for example, instead of:
>
>   t  = t(0,:,:)
>
> use this:
>
>   t  = gsn_add_cyclic_point(a->t(0,:,:)) ; Read first time step
>
> and instead of:
>      setvalues plot at data
>        "sfDataArray" : (/a->t(i,:,:)/)
>      end setvalues
> use:
>      setvalues plot at data
>        "sfDataArray" : (/gsn_add_cyclic_point(a->t(i,:,:))/)
>      end setvalues
> --Mary
>
> On Wed, Nov 19, 2014 at 12:44 PM, Cathy Smith (NOAA Affiliate) 
> <cathy.smith at noaa.gov <mailto:cathy.smith at noaa.gov>> wrote:
>
>     Hi-
>     I followed this example
>
>     https://www.ncl.ucar.edu/Applications/Scripts/animate_1.ncl
>
>     to generate animations. If I set
>
>     res at gsnAddCyclic       = True
>
>     for the first plot, it is plotted correctly. But, subsequent plots all
>     plotted incorrectly as it appears that set values didn't recognize the
>     cyclic True setting.
>     (The array values were stretched to fill the 1 longitude longer data
>     array). We could verify this was the case as when we manually
>     created an
>     extra longitude for the data array after the first plot, then it
>     worked.
>
>     Can set values be made to use use the gsnAddCycle setting that exists?
>     Or, is there another way that doesn't involve manually adding the
>     extra
>     longitude?
>
>     Let me know if more info is needed. In this case, I was using V6.1.2
>
>     Cathy Smith
>
>
>
>
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----------------------------------------------
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