Re: dim_avg_n problem

From: cheryl Ma <xiaoyancloud_at_nyahnyahspammersnyahnyah>
Date: Tue Oct 22 2013 - 15:44:13 MDT

Thanks, Adam. I double check my script and found the problem that I
mentioned is caused by something else, the function dim_avg_n_Wrap works
well.

On Tue, Oct 22, 2013 at 5:29 PM, Adam Phillips <asphilli@ucar.edu> wrote:

> Hi Cheryl,
> Please add the following code to your script and respond back to the
> ncl-talk email list with the results:
>
> printVarSummary(f)
> ff = dim_avg_n_Wrap(f,0)
> printVarSummary(ff)
>
> I not sure what you mean by: "Lon in the contour plotting changed 180
> degree compare to the plotting for each time. " Can you also send back some
> plots showing the issue?
>
> Thanks,
> Adam
>
>
> On 10/22/2013 08:27 AM, cheryl Ma wrote:
>
> Thanks, Dennis.
>
> The problem is still there. Lon in the contour plotting changed 180 degree
> compare to the plotting for each time.
>
>
> On Tue, Oct 22, 2013 at 10:08 AM, Dennis Shea <shea@ucar.edu> wrote:
>
>> You should use
>>
>> ff = dim_ang_n_Wrap(f, 0)
>>
>> --
>> Please read the Mini-Language Manual (Section 5.6.1)
>>
>> http://www.ncl.ucar.edu/Document/Manuals/language_man.pdf
>>
>>
>> On 10/22/13 7:31 AM, cheryl Ma wrote:
>>
>>> Hi everyone,
>>>
>>> I made contour plotting to an array f (time,lat,lon) on each time and
>>> checked lat and lon using printVarSummary(f), and the f look good as
>>>
>>> Number of Dimensions: 3
>>> Dimensions and sizes: [31] x [lat | 180] x [lon | 360]
>>> Coordinates:
>>> lat: [-89.5..89.5]
>>> lon: [-179.5..179.5]
>>>
>>> But when I calculate the average by using ff=dim_avg_n(f),
>>> printVarSummary(ff) does not show the Coordinates, i.e.
>>>
>>> Number of Dimensions: 2
>>> Dimensions and sizes: [180] x [360]
>>> Coordinates:
>>>
>>> Also I made a contour plot of ff and saw that somehow the lon changed by
>>> 180 degree. dim_avg_n suppose keep the original lat and lon, right?
>>>
>>> what caused the change of lon? thanks,
>>>
>>>
>>>
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>
>
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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/cas/asphilli
>
>
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Received on Tue Oct 22 15:44:28 2013

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