[GRASS-user] get raster name in r.series min/max

[Frank David]

Hello,


Thank you very much Vero and Micha, It's exactly what I was looking for 
! That's great !


Cheers,

Frank


Le 26/05/2019 à 12:11, Micha Silver a écrit :
>
> On 26/05/2019 7:02, Veronica Andreo wrote:
>> Hi Frank
>>
>> El sáb., 25 may. 2019 22:51, Frank David <frank.david at geophom.fr 
>> <mailto:frank.david at geophom.fr>> escribió:
>>
>>     Hi all,
>>
>>     I would like to identify the raster, in a r.series calculation
>>     for min
>>     (or max), where the result is coming from.
>>
>>     Is there a way to do so ?
>>
>>
>> max_raster, min_raster in r.series will give you the index of the 
>> raster map in the series containing either max or min values
>>
>> Is that what you need?
>>
>> Vero
>
>
> Hello Frank:
>
>
> I used Vero's suggestion in a script I was working on some months ago: 
> I had a list of rasters, each represented a "station_id". I used 
> g.list to create the list of raster names, and fed that into r.series 
> input=<list> method=max_raster.
>
> Then I used r.reclass to get back the station_id from the list index. 
> I had a text file with matches between the index of the raster in the 
> list, and it's actual "station_id". So r.reclass returned a raster 
> with each pixel value being the station_id of the maximum raster in 
> the list.
>
> HTH
>
>
>>
>>     Thank you
>>
>>     Frank
>>
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>>
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> -- 
> Micha Silver
> Ben Gurion Univ.
> Sde Boker, Remote Sensing Lab
> cell: +972-523-665918
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