[GRASS-user] Problem in running r.basin

[Priscilla_I]

Thanks for your patience Margherita,I tried with the manual example but i
find the same error.

*r.basin map=elevation prefix=my_basin coord=637304.924954,218617.100523
dir=/tmp/bla threshold=1000*

*SECTION 1 beginning: Initiating Variables. 4 sections total.*
*SECTION 1a: Mark masked and NULL cells*
*SECTION 1b: Determining Offmap Flow.*
*SECTION 2: A* Search.*
*SECTION 3a: Accumulating Surface Flow with MFD.*
*SECTION 3b: Adjusting drainage directions.*
*SEZIONE 4: Chiudendo Mappe.*
*Closing accumulation map*
*Writing out only positive flow accumulation values.*
*Cells with a likely underestimate for flow accumulation can no longer be
identified.*
*Closing flow direction map*
*Loading input raster maps...*
*Initializing A* search...*
*A* Search...*
*Extracting streams...*
*Thinning stream segments...*
*Scrittura della mappa raster di output...*
*Controllo dell'input per i tipi di colonna in corso...*
*Number of columns: 3*
*Number of rows: 1*
*Importazione dei punti in corso ...*
*Riempimento della tabella in corso...*
*Si sta ricreando la topologia per il vettore
<my_basin_elevation_outlet at Mapset6>...*
*Registrando primitive...*
*One primitive registered*
*One vertex registered*
*Costruendo aree...*
*0 areas built*
*0 isles built*
*Isole allegate...*
*Centroidi allegati...*
*Numero di nodi: 0*
*Numero di primitive: 1*
*Numero di punti: 1*
*Numero di linee: 0*
*Numero di confini: 0*
*Numero di centroidi: 0*
*Numero di aree: 0*
*Numero di isole: 0*

------------------------------

*An ERROR occurred running r.basin*
*Please check for error messages above or try with another pairs of outlet
coordinates*
*Removing region definition <original>*

2016-10-19 14:31 GMT+02:00 margherita [via OSGeo.org] <
ml-node+s1560n5291456h43 at n6.nabble.com>:

>
>
> On Wed, Oct 19, 2016 at 12:15 PM, Priscilla_I <[hidden email]
> <http:///user/SendEmail.jtp?type=node&node=5291456&i=0>> wrote:
>
>> Hi Micha,
>> thanks for you answer, as Margherita wrote "Silvia" is the directory in
>> which I'd like to save my results, and use r.stream only to check that
>> coordinates belongs to virtual stream network.
>> I followed Margherita advices but I already removed all old files and
>> grass kept in giving me error.
>>
>
> Yes, but it's a different error..
>
>
>> So I thought it could be a problem related to the fact that I was using
>> GRASS downloaded with Qgis and there were some warnings when I launched it.
>>
>
>> I dowloaded GRASS 7.0.5 and tried to run r.basin with the NC sample
>> dataset as suggested in an old thread:
>>
>> I follow the following procedure
>> - I create a new mapset in order to not have problems about old files and
>> overwriting
>> - I set the region
>>  * g.region -a raster=elevation at PERMANENT align=elevation at PERMANENT*
>> - I launch the command
>>  * r.basin map=elevation at PERMANENT prefix=b coordinates=637304,218585
>> dir=\tmp\test threshold=40*
>>
>> it breaks with the error
>> *An ERROR occurred running r.basin*
>> *Please check for error messages above or try with another pairs of
>> outlet coordinates*
>> *Removing region definition <original>*
>>
>
> Can you try with the example in the manual?
>
> https://grass.osgeo.org/grass70/manuals/addons/r.basin.html
>
> g.region raster=elevation -p
> r.basin map=elevation prefix=my_basin coord=637304.924954,218617.100523 \
>  dir=/tmp/test threshold=1000
>
>
> Regards,
>
> --
> Margherita Di Leo
>
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