[GRASS-user] EPSG 32633 and spatial resolution for hourly LST product from Copernicus

Nikos Alexandris nik at nikosalexandris.net
Wed Oct 3 21:19:49 PDT 2018


Nikos wrote:

>> >> Import using r.in.gdal, _without_ any of `-l` or `-a` and then I get the
>> >> closest to the reported spatial resolution. Else, with `-a`, for
>> >> example, the spatial resolution is not as close to the "original" one.
>> >> Makes sense?

Markus M:

>> >what would be the output resolution and extends with r.in.gdal -a?
>> >Generally r.in.gdal -a provides the best results.

Importing without `-a`:

>> import
>> 360 degree EW extent is exceeded by 0.00019226 cells
>> north=80.0223214291667
>> south=-79.9776823855556
>> east=179.977687153889
>> west=-180.022321429167
>> nsres=0.0446428582072328
>> ewres=0.0446428582072241
>> rows=3584
>> cols=8064
>> cells=28901376
>> datatype=CELL
>> ncats=0

Importing with `-a`:

>> import_with_a
>> north=80.0223333333333
>> south=-79.9634444444444

Markus M:

>something went wrong here:
>> east=179.945666666667
>east should be 180 - ew_res / 2
>
>just like
>> west=-180.022333333333
>i.e west = -180 - ew_res / 2
>
>I will investigate

Reported here https://trac.osgeo.org/grass/ticket/3672#ticket.

>> nsres=0.0446388888888889
>> ewres=0.0446388888888889
>> rows=3584
>> cols=8064
>> cells=28901376
>> datatype=CELL
>> ncats=0

Nikos

-------------- next part --------------
A non-text attachment was scrubbed...
Name: signature.asc
Type: application/pgp-signature
Size: 228 bytes
Desc: not available
URL: <http://lists.osgeo.org/pipermail/grass-user/attachments/20181004/04178669/attachment.sig>


More information about the grass-user mailing list