Re: [cf-satellite] Attaching coordinate variables of different size from band dimensions

• To: Martin Raspaud <martin.raspaud@xxxxxxx>, cf-satellite <cf-satellite@xxxxxxxxxxxxxxxx>
• Subject: Re: [cf-satellite] Attaching coordinate variables of different size from band dimensions
• From: ghansham sangar <ghanshamsangar@xxxxxxxxx>
• Date: Sat, 24 Dec 2011 08:03:26 +0530

Its ok. But that may un-necessarily increase the size of the product which
is also undesirable.

regards
Ghansham
On Sat, Dec 24, 2011 at 7:56 AM, ghansham sangar
<ghanshamsangar@xxxxxxxxx>wrote:

> R/Sir
>
> I think this may work like nearest neighbor interpolation.
> Am I right?
> Does netcdf java library has support for this?
> Actually I am using IDV as client to test such products.
> I am not able to use CF checker is because my product formats
> are either HDF4 or HDF5.
> Thanks a lot.
>
> regards
> Ghansham
>
> 2011/12/23 Martin Raspaud <martin.raspaud@xxxxxxx>
>
>> -----BEGIN PGP SIGNED MESSAGE-----
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>> On 23/12/11 08:01, ghansham sangar wrote:
>> > Yeah you are very much right for every 4x4 pixel box there one lat/lon
>> > value. Its bilinear interpolation.
>> > And I think we should have such arrangement, the reason is that I have
>> > seen in some modis HDF4 products, lat/lon information is given in this
>> > way only.
>>
>> Hi,
>>
>> I guess you could expand the array to match the size of the data (and
>> fill it with some "nodata" value) but use the "compress" attribute.
>>
>> See
>> 8.2. Compression by Gathering
>> in the CF conventions.
>>
>> Best regards,
>> Martin
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• References:
  • [cf-satellite] Attaching coordinate variables of different size from band dimensions
    • From: ghansham sangar
  • Re: [cf-satellite] Attaching coordinate variables of different size from band dimensions
    • From: john caron
  • Re: [cf-satellite] Attaching coordinate variables of different size from band dimensions
    • From: ghansham sangar
  • Re: [cf-satellite] Attaching coordinate variables of different size from band dimensions
    • From: Martin Raspaud