[ncl-talk] set_dimension [SEC=UNCLASSIFIED]

[Kunal Bali]

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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