[Qgis-user] problem with RECLASSIFY (GRASS)

[chris hermansen]

Azzurra and list,

On Mon, Nov 23, 2020 at 4:04 PM Azzurra Lentini <azzurralentini at gmail.com>
wrote:

> Hi Chris thanks for the answer.
> I thought it is an error because It doesn't give me a result: after the
> run it says the process couldn't ... And it does not give me an output!!
>

Hmm I'm not following that in the message; I see this:

*output=output919ef43aa43442ca92efb3893e3b9c33*

Looks like some kind of temporary file to me.  But anyway, wherever that
might be located on your system, I would think that would be your output.

>
> Anyway, I have installed right now qgis 3.16 and in this version it works!
>
> So maybe it was a problem in that qgis version.
>
> Thanks, Azzurra
>
> Il mar 24 nov 2020, 00:48 chris hermansen <clhermansen at gmail.com> ha
> scritto:
>
>> Azzurra and list,
>>
>> On Mon, Nov 23, 2020 at 1:09 PM Azzurra Lentini <azzurralentini at gmail.com>
>> wrote:
>>
>>> Hi to all, I am trying to reclassify a RASTER file slope - DATA TYPE
>>> int32 (I have obtained it from a DTM and I have converted the data type
>>> using "translate" from data type float to INT32).
>>> But when I tried to reclassify using a rule
>>> 0 thru 50 = 1
>>> 51 thru 90 = 2
>>>  it gives thir error message:
>>>
>>> *2020-11-23T22:00:15     INFO    processInputs end. Commands: ['g.proj
>>> -c proj4="+proj=utm +zone=33 +datum=WGS84 +units=m +no_defs"', 'r.external
>>> input="D:\\ROMATRE_CompleteJune2019\\CORSI\\corsoGIS202021\\CORSO_LM\\CORSO_R3_LabGIS_TEORIA_PRATICA\\PRATICA\\ESERCITAZIONE_2franaRiskROSSANO\\Elaborazioni\\slope\\slope5_int32.tif"
>>> band=1 output="rast_5fbc22df0abd18" --overwrite -o', 'g.region n=4384860.0
>>> s=4370635.0 e=657470.0 w=639510.0 res=5.0']*
>>> *2020-11-23T22:00:15     INFO    processCommands end. Commands: ['g.proj
>>> -c proj4="+proj=utm +zone=33 +datum=WGS84 +units=m +no_defs"', 'r.external
>>> input="D:\\ROMATRE_CompleteJune2019\\CORSI\\corsoGIS202021\\CORSO_LM\\CORSO_R3_LabGIS_TEORIA_PRATICA\\PRATICA\\ESERCITAZIONE_2franaRiskROSSANO\\Elaborazioni\\slope\\slope5_int32.tif"
>>> band=1 output="rast_5fbc22df0abd18" --overwrite -o', 'g.region n=4384860.0
>>> s=4370635.0 e=657470.0 w=639510.0 res=5.0', 'r.reclass
>>> input=rast_5fbc22df0abd18
>>> rules="C:/Users/AZZURRAHYDRO/AppData/Roaming/QGIS/QGIS3/profiles/default/project_templates/processing_880301be01084a079edf4a3379b133ea\\5fbc22df0bb669"
>>> output=output919ef43aa43442ca92efb3893e3b9c33 --overwrite'] *
>>>
>>> When I tried to reclassify using an external .txt ( file containing the
>>> rules it gives the same message..):
>>>
>>> *2020-11-23T22:04:05     INFO    processInputs end. Commands: ['g.proj
>>> -c proj4="+proj=utm +zone=33 +datum=WGS84 +units=m +no_defs"', 'r.external
>>> input="D:\\ROMATRE_CompleteJune2019\\CORSI\\corsoGIS202021\\CORSO_LM\\CORSO_R3_LabGIS_TEORIA_PRATICA\\PRATICA\\ESERCITAZIONE_2franaRiskROSSANO\\Elaborazioni\\slope\\slope5_int32.tif"
>>> band=1 output="rast_5fbc23c5b84f411" --overwrite -o', 'g.region n=4384860.0
>>> s=4370635.0 e=657470.0 w=639510.0 res=5.0']*
>>> *2020-11-23T22:04:05     INFO    processCommands end. Commands: ['g.proj
>>> -c proj4="+proj=utm +zone=33 +datum=WGS84 +units=m +no_defs"', 'r.external
>>> input="D:\\ROMATRE_CompleteJune2019\\CORSI\\corsoGIS202021\\CORSO_LM\\CORSO_R3_LabGIS_TEORIA_PRATICA\\PRATICA\\ESERCITAZIONE_2franaRiskROSSANO\\Elaborazioni\\slope\\slope5_int32.tif"
>>> band=1 output="rast_5fbc23c5b84f411" --overwrite -o', 'g.region n=4384860.0
>>> s=4370635.0 e=657470.0 w=639510.0 res=5.0', 'r.reclass
>>> input=rast_5fbc23c5b84f411
>>> rules="D:\\ROMATRE_CompleteJune2019\\CORSI\\corsoGIS202021\\CORSO_LM\\CORSO_R3_LabGIS_TEORIA_PRATICA\\PRATICA\\ESERCITAZIONE_2franaRiskROSSANO\\Elaborazioni\\SUSC\\INDslope_ROTsub.txt"
>>> output=outputc10364340554433aa78a4eda2a6bc0fb --overwrite']*
>>>
>>> Do you have any idea?
>>>
>>>
>> Why do you think this is an error?  It says "INFO", not "ERROR".
>>
>>
>> --
>> Chris Hermansen · clhermansen "at" gmail "dot" com
>>
>> C'est ma façon de parler.
>>
>

-- 
Chris Hermansen · clhermansen "at" gmail "dot" com

C'est ma façon de parler.
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