[ncl-talk] set_dimension [SEC=UNCLASSIFIED]

[Kunal Bali]

Thank You so much, Dennis.


Kunal Bali
Research Scholar
Radio & Atmospheric Science Division
CSIR - National Physical Laboratory
New Delhi - 110012
India





On Wed, Mar 22, 2017 at 8:04 PM, Dennis Shea <shea at ucar.edu> wrote:

> As I noted in my original response:
>    "You may have to rearrange to the correct order."
>
> Well ..... you do have to rearrange. Did you try at all??
> --
> If you are using any data set, it is your responsibility to read
> documentation. Likely, it includes information about the coordinates.
>
> See attached.
>
>
>
> On Wed, Mar 22, 2017 at 3:16 AM, Kunal Bali <kunal.bali9 at gmail.com> wrote:
>
>> Dear Dannis
>>
>> I tried using
>>
>>          var  = a->MeanPower(:,:)
>>          nlat = 360
>>           nlon = 720
>>           lat = latGlobeFo(nlat, "lat", "latitude", "degrees_north")
>>           lon = lonGlobeFo(nlon, "lon", "longitude", "degrees_east")
>>
>>         var!0 = "lat"
>>         var!1 = "lon"
>>
>>         var&lat = lat
>>         var&lon = lon
>>
>>
>>
>>
>> But still, the values are not within the coordinates.
>> ​
>>
>>
>>
>> Kunal Bali
>> Research Scholar
>> Radio & Atmospheric Science Division
>> CSIR - National Physical Laboratory
>> New Delhi - 110012
>> India
>>
>>
>>
>>
>>
>> On Tue, Mar 21, 2017 at 11:13 PM, Dennis Shea <shea at ucar.edu> wrote:
>>
>>> As noted by the previous email:
>>>
>>> %> ncl_filedump MOD14CMH.201604.005.01.hdf | less
>>>
>>> ===
>>> Did you look at this?
>>>
>>> Variable: f
>>> Type: file
>>> filename:       MOD14CMH.201604.005.01
>>> path:   MOD14CMH.201604.005.01.hdf
>>>    file global attributes:
>>>       Satellite : Terra
>>>       Instrument : MODIS
>>>       StartDate : 2016-04-01T00:00:00
>>>       EndDate : 2016-04-30T23:59:59
>>>       BinSize : 0.5
>>>    dimensions:
>>>       LatRows = 360     <===named dimensions and sizes
>>>       LonCols = 720
>>>
>>> They are **not** variables, the are named dimension sizes
>>>
>>> The file contains **no variables** which contain latitude and longitude.
>>> Hence, in my view, a poorly written file.
>>>
>>> Given the sizes I speculate that
>>>
>>> http://www.ncl.ucar.edu/Document/Functions/Contributed/latGlobeFo.shtml
>>> http://www.ncl.ucar.edu/Document/Functions/Contributed/lonGlobeFo.shtml
>>>
>>> could be used to generate the lat/lon arrays. You may have to rearrange
>>> to the correct order.
>>>
>>>   lat = latGlobeFo(..)
>>>   lon = lonGlobeFo()
>>>
>>>    x = f=>X    ; (LatRows,LonCols)
>>>    x!0 = "lat"
>>>    x!1  = "lon"
>>>
>>>    x&lat = lat
>>>    x&lon = lon
>>>
>>> HTH
>>>
>>>
>>>
>>>
>>> On Mon, Mar 20, 2017 at 11:07 PM, Griffith Young <
>>> griffith.young at bom.gov.au> wrote:
>>>
>>>> Try a print(a) statement and see if the variables you are looking for
>>>> exist.
>>>>
>>>>
>>>>
>>>> You may have the wrong name for the variable...
>>>>
>>>>
>>>>
>>>> Regards,
>>>>
>>>>                 Griff.
>>>>
>>>>
>>>>
>>>>
>>>>
>>>> *Griffith Young *| SITOC
>>>> [image: cid:409470105 at 28052013-3564]
>>>> *Research and Development Branch*
>>>> Bureau of Meteorology
>>>> GPO Box 1289 Melbourne VIC 3001
>>>> Level 9, 700 Collins Street, Docklands VIC 3008
>>>> Tel: +61 3 9616 8381 <+61%203%209616%208381> | G.Young at bom.gov.au
>>>> www.bom.gov.au - cawcr.gov.au - poama.bom.gov.au
>>>>
>>>>
>>>>
>>>>
>>>>
>>>>
>>>>
>>>> *From:* ncl-talk-bounces at ucar.edu [mailto:ncl-talk-bounces at ucar.edu] *On
>>>> Behalf Of *Kunal Bali
>>>> *Sent:* Tuesday, 21 March 2017 3:39 PM
>>>> *To:* ncl-talk at ucar.edu
>>>> *Subject:* [ncl-talk] set_dimension
>>>>
>>>>
>>>>
>>>> Dear NCL users,
>>>>
>>>> I have data with dimension and size as
>>>>
>>>> Dimensions and sizes:    [LatRows | 360] x [LonCols | 720]
>>>>
>>>> for  that, I am trying to read  my dimensions as
>>>>
>>>>       lat =  a->LatRows
>>>>       lon =  a->LonCols
>>>>
>>>>
>>>>
>>>> so resources are using as
>>>>   res at sfXArray        = lon
>>>>   res at sfYArray        = lat
>>>>
>>>>
>>>> BUT it is still showing an error
>>>> *variable (LatRows) is not in file (a*)
>>>>
>>>> So please let me know how to read the dimensions my the attached file.
>>>>
>>>> Thank You
>>>>
>>>>
>>>> Regards
>>>> Kunal Bali
>>>>
>>>>
>>>>
>>>>
>>>>
>>>>
>>>>
>>>>
>>>>
>>>>
>>>>
>>>> _______________________________________________
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>>>>
>>>>
>>>
>>
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