[GRASS-dev] r.in.gdal -r and r.import extent=region not working properly?

Markus Neteler neteler at osgeo.org
Sun Apr 15 13:49:09 PDT 2018


On Sun, Apr 15, 2018 at 9:46 PM, Markus Neteler <neteler at osgeo.org> wrote:
> On Sun, Apr 15, 2018 at 8:48 PM, Veronica Andreo <veroandreo at gmail.com> wrote:
>> Hi devs,
>>
>> I just found something odd. I have a CHIRPS tif for Africa [0], but I would
>> only need to import Ghana, so I used r.in.gdal -r. However when I visualize
>> the data, most of it is nodata, while the full map of Africa has data all
>> over the continent. Then, I tried also with r.import extent=region. Same
>> result. The only thing providing what I expected to be the right result (a
>> subset from the full map) is importing the whole map and then using
>> r.mapcalc to clip (i need the space in my hard disk)

trying harder I can reproduce the issue (of course not NULL related).

So, I have no clue right now why it behaves differently.

markusN


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