[Qgis-user] problem with RECLASSIFY (GRASS)

Tue Nov 24 09:05:23 PST 2020

Ok, good to hear the problem has gone away with the latest version.

On Tue, Nov 24, 2020 at 8:46 AM Azzurra Lentini <azzurralentini at gmail.com>
wrote:

> Hi Chris thank you for the explanations.
> Anyway I gave the output folder path so why it should save the output in
> another location. Furthermore I searched in my PC but i don't find this
> output. Anyway this command is well working in this new version Qgis 3.16
> so for the moment I am ok.
>
> Thanks again, Azzurra
>
> On Tue, 24 Nov 2020 at 05:27, chris hermansen <clhermansen at gmail.com>
> wrote:
>
>> 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.
>>
>
>
> --
> Lecturer GIS University "Roma Tre"
> Consultant Environmental Risk Prevention and Hydrogeology
> AZZURRA LENTINI
> ++++++++++++++++++++++++++
> Italy Mobile Tel.: **(39) 338 24 40 676
> ++++++++++++++++++++++++++
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> ++++++++++++++++++++++++++
>
> *azzurralentini at gmail.com <azzurralentini at gmail.com>*
>
> *azzurra.lentini at uniroma3.it <azzurra.lentini at uniroma3.it> *
> ++++++++++++++++++++++++++
> *Par respect pour l'environnement,*
>
> *n'imprimez ce mail qu'en cas d'absolue nécessité*
>
>
>
>
>
>

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

C'est ma façon de parler.
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