[GRASS-user] i.sentinel.import imports empty maps

[Valter Albino]

Same issue!
Cumprimentos,
*Valter Albino -* Geógrafo Físico, M.Sc.
Modelação H&H / Riscos ambientais / OT&U
www.valteralbino.wixsite.com/hydrodynamics


Veronica Andreo <veroandreo  gmail.com> escreveu no dia quarta, 29/01/2020
à(s) 14:31:

> Suspicion confirmed, this was a map imported with i.sentinel.import in
> latlong location. It forces a resolution of 20 degrees, instead of the
> equivalent of 20m in degrees
>
> GRASS 7.9.dev (latlong_wgs84):~ > r.info T21JYM_20200126T134201_B11_20m
>
>  +----------------------------------------------------------------------------+
>  | Map:      T21JYM_20200126T134201_B11_20  Date: Wed Jan 29 11:09:18 2020
>    |
>  | Mapset:   sentinel2                      Login of Creator: vandreo
>     |
>  | Location: latlong_wgs84
>    |
>  | DataBase: /home/vandreo/grassdata
>    |
>  | Title:
>     |
>  | Timestamp: 26 Jan 2020 13:49:32.751425
>     |
>
>  |----------------------------------------------------------------------------|
>  |
>    |
>  |   Type of Map:  raster               Number of Categories: 0
>     |
>  |   Data Type:    FCELL
>    |
>  |   Rows:         1
>    |
>  |   Columns:      1
>    |
>  |   Total Cells:  1
>    |
>  |        Projection: Latitud - Longitud.
>     |
>  |            N:        20S    S:        40S   Res:    20
>     |
>  |            E:        40W    W:        60W   Res:    20
>     |
>  |   Range of data:    min = NULL  max = NULL
>     |
>  |
>    |
>  |   Data Description:
>    |
>  |    generado por r.proj
>     |
>  |
>    |
>  |   Comments:
>    |
>  |    r.proj --quiet location="temp_import_location_97485"
> mapset="PERMANE\   |
>  |    NT" input="T21JYM_20200126T134201_B11_20m" method="bilinear"
> memory=\   |
>  |    500 resolution=20.0
>     |
>  |
>    |
>
>  +----------------------------------------------------------------------------+
>
> El mié., 29 ene. 2020 a las 11:20, Veronica Andreo (<veroandreo  gmail.com>)
> escribió:
>
>> Hi all,
>>
>> I'm using i.sentinel.import with -r flag to import sentinel scenes into a
>> latlong location. No matter if I use, extent=region or extent=input, I get
>> empty maps imported.
>>
>> Estimated target resolution for input band
>> <T21JYM_20200126T134201_B8A_20m>: 0.00018570053194443554
>> Using given resolution for input band <T21JYM_20200126T134201_B8A_20m>:
>> 20.0
>> Reprojecting <T21JYM_20200126T134201_B8A_20m>...
>> ERROR: The reprojected raster <T21JYM_20200126T134201_B8A_20m> is empty
>>
>> Meanwhile a normal r.import with input and output, imports the map
>> properly. Is it possible that i.sentinel.import tries to set a 20
>> resolution also in a lat long location???That would be degrees then, and
>> hence the empty maps...
>>
>> BTW, I noted that grass-addons repo does not have the issues activated.
>> With trac closed for new tickets, I think it is necessary to activate
>> issues in grass-addons too
>>
>> Thanks much in advance
>>
>> Vero
>>
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