[ncl-talk] constructing grid

[Ashehad Ali]

Thanks, Mary.

Best,
Ashehad

On Thu, Apr 28, 2016 at 1:22 PM, Mary Haley <haley at ucar.edu> wrote:

> Ashehad,
>
> If I understand your question correctly, I suggest you look at our ESMF
> regridding page:
>
> http://www.ncl.ucar.edu/Applications/ESMF.shtml
>
> Example ESMF_regrid_23.ncl shows how to regrid MODIS data.
>
> Our shapefiles example page shows how to mask data based on a shapefile
> outline:
>
> http://www.ncl.ucar.edu/Applications/shapefiles.shtml
>
> See example shapefiles_4.ncl for a sample masking script. There are many
> masking examples on that page. Use your browser search to look for the word
> "mask".
>
> --Mary
>
>
>
>
> On Mon, Apr 25, 2016 at 4:04 PM, Ashehad Ali <ashehad at gmail.com> wrote:
>
>> Dear ncl users,
>>
>> I was wondering if there are some exemplary ncl scripts that shows how to
>> make climatology grids, such as how the climatology grids for CLM gets
>> constructed in the first place. For example, if we have the global climate
>> data (in the h5 format) from MODIS (sinusoidal projection) with some
>> resolution (say, 250m or 1km) and we'd like to construct 50km x 50km
>> resolution for only the states of USA, excluding Hawaii and Alaska.
>>
>> I think it may require the center coordinates of each 50km pixel, as well
>> as the upper left and lower right coordinates of each. Also, for each
>> pixel, it might be useful to have which US States the pixel crosses. It
>> may also require some shape files to extract data for only US.
>>
>> I'd appreciate your thoughts.
>>
>> Best,
>> Ashehad
>>
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