[Qgis-user] how to smooth pixel dtm raster

[Azzurra Lentini]

Hi Sebastian thanks a lot.
Yes it is what I was looking for!
As the aster gdem is 30meter pixel resolution (square), I inserted: search
mode square and search radius 30..

Thanks Azzu


On Wed, 20 Jan 2021 at 22:04, Sebastian Gutwein <bas at rdgland.com> wrote:

> While I find it difficult to completely remove those artifacts I
> usually use SAGA Gaussian Filter in QGIS to smooth rasters.
> You will lose real edes and creases.
>
>
> On Wed, Jan 20, 2021 at 3:17 PM Azzurra Lentini <azzurralentini at gmail.com>
> wrote:
>
>> Hi list,
>> I am using qgis 3.10 and 3.14.
>>
>> I downloaded a raster dtm nasa (AsterGdem Nasa pixel size 30) and I
>> extracted  shade and slope. In these resulting files there are several
>> lines E-W direction that I would like to hide (I think these lines are the
>> result of the satellite survey). In Arcgis I do this operation with
>> smoothing pixels, but I can’t find how to do the same in qgis.
>>
>> Thanks. A.L.
>>
>> --
>> Lecturer GIS University "Roma Tre"
>> Consultant Environmental Risk Prevention and Hydrogeology
>> AZZURRA LENTINI
>> ++++++++++++++++++++++++++
>> Italy Mobile Tel.: **(39) 338 24 40 676
>> ++++++++++++++++++++++++++
>> SKYPE azzurrahydro
>> ++++++++++++++++++++++++++
>>
>> *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*
>>
>>
>>
>>
>>
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-- 
Lecturer GIS University "Roma Tre"
Consultant Environmental Risk Prevention and Hydrogeology
AZZURRA LENTINI
++++++++++++++++++++++++++
Italy Mobile Tel.: **(39) 338 24 40 676
++++++++++++++++++++++++++
SKYPE azzurrahydro
++++++++++++++++++++++++++

*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*
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