[GRASS-user] temporal raster accumulation

[Ivan Marchesini]

Thank you Stefan and Markus

I'll check out which one of the different solutions works better for me

thank you again!!!

On 09/08/22 13:43, Markus Neteler wrote:
> Hi Ivan,
>
> In addition, see also
>
> https://grasswiki.osgeo.org/wiki/Temporal_data_processing#Aggregation_of_seasonal_data_using_time_ranges
>
> best,
> Markus
>
> On Tue, Aug 9, 2022 at 11:40 AM Stefan Blumentrath
> <Stefan.Blumentrath at nina.no> wrote:
>> Hi Ivan,
>>
>> A simple, quick-and-dirty approach could be:
>> t.rast.algebra basename=rain5 expression="rain5=rain + rain[-1] + rain[-2] + rain[-3] + rain[-4] + rain[-5]"
>>
>> Temporal selection (start_date(rain)...) is probably more elegant...
>>
>> See:
>> https://grass.osgeo.org/grass78/manuals/t.rast.algebra.html
>>
>> Cheers
>> Stefan
>>
>> -----Original Message-----
>> From: grass-user <grass-user-bounces at lists.osgeo.org> On Behalf Of Ivan Marchesini
>> Sent: tirsdag 9. august 2022 09:45
>> To: GRASS user list <grass-user at lists.osgeo.org>
>> Subject: [GRASS-user] temporal raster accumulation
>>
>> Dear GRASS users
>>
>> I'm a little bit confused about which can be the best module/tool to perform the following task I have a strd having a daily granularity. It contains total daily cumulated rainfall.
>>
>> I would like to create a new strd where, for each day, I have the cumulated rainfall in the antecedent 5 days
>>
>> can you kindly suggest which is the best tool (or combination of tools) to reach this aim?
>>
>> thank you very much
>>
>> Ivan