Re: [GRASS-user] temporal raster accumulation
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 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 On Behalf Of Ivan Marchesini Sent: tirsdag 9. august 2022 09:45 To: GRASS user list 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 ___ grass-user mailing list grass-user@lists.osgeo.org https://lists.osgeo.org/mailman/listinfo/grass-user
Re: [GRASS-user] temporal raster accumulation
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 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 On Behalf Of Ivan > Marchesini > Sent: tirsdag 9. august 2022 09:45 > To: GRASS user list > 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 ___ grass-user mailing list grass-user@lists.osgeo.org https://lists.osgeo.org/mailman/listinfo/grass-user
Re: [GRASS-user] temporal raster accumulation
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 On Behalf Of Ivan Marchesini Sent: tirsdag 9. august 2022 09:45 To: GRASS user list 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 ___ grass-user mailing list grass-user@lists.osgeo.org https://eur01.safelinks.protection.outlook.com/?url=https%3A%2F%2Flists.osgeo.org%2Fmailman%2Flistinfo%2Fgrass-user&data=05%7C01%7CStefan.Blumentrath%40nina.no%7C1944c976bd1f4fb14a3608da79db2020%7C6cef373021314901831055b3abf02c73%7C0%7C0%7C637956279455240967%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C%7C%7C&sdata=BKqu%2F7tSMq7jNp8BF6bKDc04rf4BpwElNSif3G12gc4%3D&reserved=0 ___ grass-user mailing list grass-user@lists.osgeo.org https://lists.osgeo.org/mailman/listinfo/grass-user
[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 ___ grass-user mailing list grass-user@lists.osgeo.org https://lists.osgeo.org/mailman/listinfo/grass-user
