Re: [Qgis-user] Error in Zonal statistic ?

[Lene Fischer]

Ahh that might explain the situation. It just 44 pixels – and with the very 
long decimal – they are for sure all different.
I might shorten the decimals.
Thanks


Lene Fischer
From: Pedro Venâncio 
Sent: 7. maj 2020 12:07
To: Lene Fischer 
Cc: qgis-user 
Subject: Re: [Qgis-user] Error in Zonal statistic ?

Hi Lene,

Can you share a sample dataset?

I think it can be possible if the pixels have all different values, and so, 
Zonal Statistics choose the minimum value as minority and majority, but it 
could choose any other value, because any pixel value can be considered the 
less and most represented, as they are all different.

Best regards,
Pedro Venâncio

A quinta, 7/05/2020, 09:34, Lene Fischer 
mailto:l...@ign.ku.dk>> escreveu:
Hi
I´m trying to calculate values in multi spectral images.
When I use Zonal statistic I get the same result for _min, _minority and 
_majority
Example:


fid

_count

_mean

_median

_min

_max

_minority

_majority



57

44

0.06883086238733747

0.06847017258405685

0.062062818557024

0.07621321827173233

0.062062818557024

0.062062818557024


Can you confirm this error – then I´ll make a bugreport ☺

Regards


Lene Fischer
Associate Professor

University of Copenhagen
Department of Geosciences and Natural Resource Management
Forest and Landscape College
Nødebovej 77a
3480 Fredensborg

MOB +45 40115084
l...@ign.ku.dk


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Re: [QGIS-it-user] QGIS e Schermo HD

[Totò]

Federico Gianoli-2 wrote
> Carissimi,
> 
> forse qualcuno di voi ha avuto o ha il mio stesso problema.  Ho
> recentemente cambiato laptop e ne ho acquistato uno con uno schermo in
> alta, altissima, definizione. (windows 10)
> Apparentemente tutto funziona ma, appena si attacca uno schermo esterno
> con
> una diversa definizione cominciano i problemi e QGIS fa un po' le bizze
> col
> ridimensionamento, diventando illeggibile ed inutilizzabile.
> 
> Windows prevede già queste opzioni e nella gestioni schermi ci sono le
> opzioni per gestire la scala di ridimensionamento, tuttavia per QGIS non
> funzionavano correttamente e QGIS era inutilizzabile per le dimensioni
> eccessive.
> Scartabellando un po' in giro, e grazie all'aiuto di Alessandro Pasotti,
> ho
> capito che bisogna andare ad agire sulle variabili di ambiente di windows 
> [
> https://www.architectryan.com/2018/08/31/how-to-change-environment-variables-on-windows-10/
> ] andando ad aggiungere le variabili di ambiente per QT.
> Per me ha funzionato impostare questa variabile QT_SCREEN_SCALE_FACTORS =
> 2
> [https://doc.qt.io/qt-5/highdpi.html] e successivamente dalle opzioni di
> QGIS > Generale, andare a reimpostare la dimensione delle icone.
> Con questa procedura sono riuscito a gestire correttamente il
> ridimensionamento di QGIS sui due schermi.
> 
> Spero che questa indicazione sia utile anche a qualcuno di voi.

Nuovamente grazie Federico, ecco post

https://pigrecoinfinito.com/2020/05/07/qgis-e-schermo-hd/

saluti




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Re: [QGIS-it-user] QGIS 3.10 - Servizio WMS su Win10 inaccessibile per "tipo proxy" non valido

[Studio Multiservice s.s.]

Andrea buon pomeriggio

intanto grazie per la dovizia di particolari e la completezza di
informazioni oltre alla rapidità nella risposta.

Provo a fare qualche test e ti aggiorno

A presto

Alberto



Il giorno mer 6 mag 2020 alle ore 21:50 Andrea Giudiceandrea <
andreaer...@libero.it> ha scritto:

> Studio Multiservice s.s. wrote
> > https://www.dropbox.com/s/tzn8huvc1bqts7y/Proxy.png?dl=0
>
> L'errore "Impossibile scaricare le capabilities:Scarico delle capabilities
> non riuscito: Il tipo di proxy non è valido per questa connession" ("Failed
> to retrieve service capabilities. Network error: The proxy type is invalid
> for this operation") evidentemente dovrebbe dipendere dalle impostazioni
> del
> proxy di connessione.
>
> Hai controllato se le impostazioni del proxy in QGIS o nelle impostaioni di
> sistema sono corrette?
> Devi usare un proxy per connetterti ad Internet / sei connesso tramite una
> rete aziendale?
>
> Riesci a connetterti ad altri server WMS? Prima riuscivi a connetterti a
> questo server e adesso non ci riesci più? Hai aggiornato qualche pacchetto
> tramite OSGeo4W setup?
>
> Hai provato ad usare un nuovo profilo utente?
>
> Io comunque, con QGIS 3.10.3 (standalone installer) su Windows 10 riesco ad
> usare quel WMS senza problemi (senza alcun proxy impostato).
>
> A presto.
>
> Andrea
>
>
>
>
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Re: [Qgis-user] "Oops! No help available"

[Thomas Schüttenberg]

Hi Richard,
thanks for your suggestions.
I tested with QGIS versions 3.4.12, 3.10.5, 3.12.1, 3.13.0 and the results are 
all the same:

1) QDesktopServices.openUrl(QUrl(... from the Python console works allways, 
opens in the browser.
2) Menu Help (F1) or any other Help-button in a dialog gives me the turning 
hourglass followed by nohelp.html

Resolving the helpPath variables 
https://docs.qgis.org/$qgis_short_version/$qgis_locale/docs/user_manual/ in the 
systems settings has no effect. 
Using http:// or https:// also makes no difference.

It is absolutely possible that it is a local problem, but I have no clue.

Cheers
Thomas

> Richard Duivenvoorde  hat am 7. Mai 2020 12:47 
> geschrieben:
> 
>  
> Hi Thomas,
> 
> Which QGIS version are you trying?
> 
> With me for example if I run 3.10 I I go to the WMS-dialog and push the
> button there, I see in (I have a debug build on Linux) in the log output:
> 
> Trying to open help using key
> 'working_with_ogc/ogc_client_support.html'. Full URI is
> 'https://docs.qgis.org/3.10/en/docs/user_manual/working_with_ogc/ogc_client_support.html'…
> 
> 3.12 shows:
> 
> Trying to open help using key
> 'working_with_ogc/ogc_client_support.html'. Full URI is
> 'https://docs.qgis.org/3.12/en/docs/user_manual/working_with_ogc/ogc_client_support.html'…
> 
> And those are then (serverside) being redirected to 'testing':
> 
> https://docs.qgis.org/testing/en/docs/user_manual/working_with_ogc/ogc_client_support.html
> 
> Code for this is around here:
> 
> https://github.com/qgis/QGIS/blob/master/src/gui/qgshelp.cpp#L81-L178
> 
> It tests if it is a valid url en and then uses Qt-Desktop-services tools
> to open it:
> 
> https://github.com/qgis/QGIS/blob/master/src/gui/qgshelp.cpp#L38
> 
> You should be able to test this in the Python console:
> 
> QDesktopServices.openUrl(QUrl('https://docs.qgis.org/3.12/en/docs/user_manual/working_with_ogc/ogc_client_support.html'))
> 
> Is that opening you browser with:
> 
> https://docs.qgis.org/testing/en/docs/user_manual/working_with_ogc/ogc_client_support.html
> ?
> 
> Because this is vanilla Qt, I would think that it will use your proxy
> settings... It is NOT using/going through QNetworkAccessManager, so the
> Network Logging plugin will not pick it up.
> 
> Regards,
> 
> Richard Duivenvoorde
> 
> 
> 
> 
> 
> 
> 
> On 5/7/20 11:55 AM, Thomas Schüttenberg wrote:
> > Hi!
> > Unfortunately I constantly face the issue, that the QGIS help is not 
> > retrievable here from my office pc (windows), I only get the "Oops no help 
> > available" site and (most likely) a timeout. This affects at least any QGIS 
> > 3.x version so far. No matter if the options setting HELP_LOCATION is set 
> > to the default path or an explicit url without variables. - At home (no 
> > proxy at all; ubuntu) it works though!
> > 
> > First thing you think is certaily: bad proxy. But the proxy setting (ever 
> > since) is "use DefaultProxy", which works for any other part of QGIS, 
> > including open github pages in browser (chrome) from the add plugin dialog 
> > (if that is comparable).
> > 
> > I was not able to pick up the request in the browser, because it opens a 
> > new browser tab. I also tried the Network Logging plugin to get some 
> > insight, but it did not show anything, maybe it does not listen to such 
> > requests.
> > 
> > Does anybody has a tip for me?
> > 
> > Cheers
> > Thomas
> > ___
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> > List info: https://lists.osgeo.org/mailman/listinfo/qgis-user
> > Unsubscribe: https://lists.osgeo.org/mailman/listinfo/qgis-user
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Re: [Qgis-user] "Oops! No help available"

[Harrissou]

Hi all,

While talking about redirection server side, can you redirect 3.5 to 3.9 
releases to 3.10 docs, please? Seems they don't.
Sorry to hijack.

Greetings,
Harrissou

Le 7 mai 2020 12:56:23 GMT+02:00, Richard Duivenvoorde  a 
écrit :
>One thing I experienced at a site once: Qt is pretty picky about
>certificates... So if the proxy is over https, and they for example use
>an self-signed or unvalid certificate, that will fail.
>Then the python test I added probably will tell you?
>
>Regards,
>
>Richard
>
>On 5/7/20 12:47 PM, Richard Duivenvoorde wrote:
>> Hi Thomas,
>> 
>> Which QGIS version are you trying?
>> 
>> With me for example if I run 3.10 I I go to the WMS-dialog and push
>the
>> button there, I see in (I have a debug build on Linux) in the log
>output:
>> 
>> Trying to open help using key
>> 'working_with_ogc/ogc_client_support.html'. Full URI is
>>
>'https://docs.qgis.org/3.10/en/docs/user_manual/working_with_ogc/ogc_client_support.html'…
>> 
>> 3.12 shows:
>> 
>> Trying to open help using key
>> 'working_with_ogc/ogc_client_support.html'. Full URI is
>>
>'https://docs.qgis.org/3.12/en/docs/user_manual/working_with_ogc/ogc_client_support.html'…
>> 
>> And those are then (serverside) being redirected to 'testing':
>> 
>>
>https://docs.qgis.org/testing/en/docs/user_manual/working_with_ogc/ogc_client_support.html
>> 
>> Code for this is around here:
>> 
>> https://github.com/qgis/QGIS/blob/master/src/gui/qgshelp.cpp#L81-L178
>> 
>> It tests if it is a valid url en and then uses Qt-Desktop-services
>tools
>> to open it:
>> 
>> https://github.com/qgis/QGIS/blob/master/src/gui/qgshelp.cpp#L38
>> 
>> You should be able to test this in the Python console:
>> 
>>
>QDesktopServices.openUrl(QUrl('https://docs.qgis.org/3.12/en/docs/user_manual/working_with_ogc/ogc_client_support.html'))
>> 
>> Is that opening you browser with:
>> 
>>
>https://docs.qgis.org/testing/en/docs/user_manual/working_with_ogc/ogc_client_support.html
>> ?
>> 
>> Because this is vanilla Qt, I would think that it will use your proxy
>> settings... It is NOT using/going through QNetworkAccessManager, so
>the
>> Network Logging plugin will not pick it up.
>> 
>> Regards,
>> 
>> Richard Duivenvoorde
>> 
>> 
>> 
>> 
>> 
>> 
>> 
>> On 5/7/20 11:55 AM, Thomas Schüttenberg wrote:
>>> Hi!
>>> Unfortunately I constantly face the issue, that the QGIS help is not
>retrievable here from my office pc (windows), I only get the "Oops no
>help available" site and (most likely) a timeout. This affects at least
>any QGIS 3.x version so far. No matter if the options setting
>HELP_LOCATION is set to the default path or an explicit url without
>variables. - At home (no proxy at all; ubuntu) it works though!
>>>
>>> First thing you think is certaily: bad proxy. But the proxy setting
>(ever since) is "use DefaultProxy", which works for any other part of
>QGIS, including open github pages in browser (chrome) from the add
>plugin dialog (if that is comparable).
>>>
>>> I was not able to pick up the request in the browser, because it
>opens a new browser tab. I also tried the Network Logging plugin to get
>some insight, but it did not show anything, maybe it does not listen to
>such requests.
>>>
>>> Does anybody has a tip for me?
>>>
>>> Cheers
>>> Thomas
>>> ___
>>> Qgis-user mailing list
>>> Qgis-user@lists.osgeo.org
>>> List info: https://lists.osgeo.org/mailman/listinfo/qgis-user
>>> Unsubscribe: https://lists.osgeo.org/mailman/listinfo/qgis-user
>>>
>> 
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Re: [Qgis-user] "Oops! No help available"

[Richard Duivenvoorde]

One thing I experienced at a site once: Qt is pretty picky about
certificates... So if the proxy is over https, and they for example use
an self-signed or unvalid certificate, that will fail.
Then the python test I added probably will tell you?

Regards,

Richard

On 5/7/20 12:47 PM, Richard Duivenvoorde wrote:
> Hi Thomas,
> 
> Which QGIS version are you trying?
> 
> With me for example if I run 3.10 I I go to the WMS-dialog and push the
> button there, I see in (I have a debug build on Linux) in the log output:
> 
> Trying to open help using key
> 'working_with_ogc/ogc_client_support.html'. Full URI is
> 'https://docs.qgis.org/3.10/en/docs/user_manual/working_with_ogc/ogc_client_support.html'…
> 
> 3.12 shows:
> 
> Trying to open help using key
> 'working_with_ogc/ogc_client_support.html'. Full URI is
> 'https://docs.qgis.org/3.12/en/docs/user_manual/working_with_ogc/ogc_client_support.html'…
> 
> And those are then (serverside) being redirected to 'testing':
> 
> https://docs.qgis.org/testing/en/docs/user_manual/working_with_ogc/ogc_client_support.html
> 
> Code for this is around here:
> 
> https://github.com/qgis/QGIS/blob/master/src/gui/qgshelp.cpp#L81-L178
> 
> It tests if it is a valid url en and then uses Qt-Desktop-services tools
> to open it:
> 
> https://github.com/qgis/QGIS/blob/master/src/gui/qgshelp.cpp#L38
> 
> You should be able to test this in the Python console:
> 
> QDesktopServices.openUrl(QUrl('https://docs.qgis.org/3.12/en/docs/user_manual/working_with_ogc/ogc_client_support.html'))
> 
> Is that opening you browser with:
> 
> https://docs.qgis.org/testing/en/docs/user_manual/working_with_ogc/ogc_client_support.html
> ?
> 
> Because this is vanilla Qt, I would think that it will use your proxy
> settings... It is NOT using/going through QNetworkAccessManager, so the
> Network Logging plugin will not pick it up.
> 
> Regards,
> 
> Richard Duivenvoorde
> 
> 
> 
> 
> 
> 
> 
> On 5/7/20 11:55 AM, Thomas Schüttenberg wrote:
>> Hi!
>> Unfortunately I constantly face the issue, that the QGIS help is not 
>> retrievable here from my office pc (windows), I only get the "Oops no help 
>> available" site and (most likely) a timeout. This affects at least any QGIS 
>> 3.x version so far. No matter if the options setting HELP_LOCATION is set to 
>> the default path or an explicit url without variables. - At home (no proxy 
>> at all; ubuntu) it works though!
>>
>> First thing you think is certaily: bad proxy. But the proxy setting (ever 
>> since) is "use DefaultProxy", which works for any other part of QGIS, 
>> including open github pages in browser (chrome) from the add plugin dialog 
>> (if that is comparable).
>>
>> I was not able to pick up the request in the browser, because it opens a new 
>> browser tab. I also tried the Network Logging plugin to get some insight, 
>> but it did not show anything, maybe it does not listen to such requests.
>>
>> Does anybody has a tip for me?
>>
>> Cheers
>> Thomas
>> ___
>> Qgis-user mailing list
>> Qgis-user@lists.osgeo.org
>> List info: https://lists.osgeo.org/mailman/listinfo/qgis-user
>> Unsubscribe: https://lists.osgeo.org/mailman/listinfo/qgis-user
>>
> 
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Re: [Qgis-user] "Oops! No help available"

[Richard Duivenvoorde]

Hi Thomas,

Which QGIS version are you trying?

With me for example if I run 3.10 I I go to the WMS-dialog and push the
button there, I see in (I have a debug build on Linux) in the log output:

Trying to open help using key
'working_with_ogc/ogc_client_support.html'. Full URI is
'https://docs.qgis.org/3.10/en/docs/user_manual/working_with_ogc/ogc_client_support.html'…

3.12 shows:

Trying to open help using key
'working_with_ogc/ogc_client_support.html'. Full URI is
'https://docs.qgis.org/3.12/en/docs/user_manual/working_with_ogc/ogc_client_support.html'…

And those are then (serverside) being redirected to 'testing':

https://docs.qgis.org/testing/en/docs/user_manual/working_with_ogc/ogc_client_support.html

Code for this is around here:

https://github.com/qgis/QGIS/blob/master/src/gui/qgshelp.cpp#L81-L178

It tests if it is a valid url en and then uses Qt-Desktop-services tools
to open it:

https://github.com/qgis/QGIS/blob/master/src/gui/qgshelp.cpp#L38

You should be able to test this in the Python console:

QDesktopServices.openUrl(QUrl('https://docs.qgis.org/3.12/en/docs/user_manual/working_with_ogc/ogc_client_support.html'))

Is that opening you browser with:

https://docs.qgis.org/testing/en/docs/user_manual/working_with_ogc/ogc_client_support.html
?

Because this is vanilla Qt, I would think that it will use your proxy
settings... It is NOT using/going through QNetworkAccessManager, so the
Network Logging plugin will not pick it up.

Regards,

Richard Duivenvoorde







On 5/7/20 11:55 AM, Thomas Schüttenberg wrote:
> Hi!
> Unfortunately I constantly face the issue, that the QGIS help is not 
> retrievable here from my office pc (windows), I only get the "Oops no help 
> available" site and (most likely) a timeout. This affects at least any QGIS 
> 3.x version so far. No matter if the options setting HELP_LOCATION is set to 
> the default path or an explicit url without variables. - At home (no proxy at 
> all; ubuntu) it works though!
> 
> First thing you think is certaily: bad proxy. But the proxy setting (ever 
> since) is "use DefaultProxy", which works for any other part of QGIS, 
> including open github pages in browser (chrome) from the add plugin dialog 
> (if that is comparable).
> 
> I was not able to pick up the request in the browser, because it opens a new 
> browser tab. I also tried the Network Logging plugin to get some insight, but 
> it did not show anything, maybe it does not listen to such requests.
> 
> Does anybody has a tip for me?
> 
> Cheers
> Thomas
> ___
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> List info: https://lists.osgeo.org/mailman/listinfo/qgis-user
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[Qgis-user] "Oops! No help available"

[Thomas Schüttenberg]

Hi!
Unfortunately I constantly face the issue, that the QGIS help is not 
retrievable here from my office pc (windows), I only get the "Oops no help 
available" site and (most likely) a timeout. This affects at least any QGIS 3.x 
version so far. No matter if the options setting HELP_LOCATION is set to the 
default path or an explicit url without variables. - At home (no proxy at all; 
ubuntu) it works though!

First thing you think is certaily: bad proxy. But the proxy setting (ever 
since) is "use DefaultProxy", which works for any other part of QGIS, including 
open github pages in browser (chrome) from the add plugin dialog (if that is 
comparable).

I was not able to pick up the request in the browser, because it opens a new 
browser tab. I also tried the Network Logging plugin to get some insight, but 
it did not show anything, maybe it does not listen to such requests.

Does anybody has a tip for me?

Cheers
Thomas
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Re: [Qgis-user] Error in Zonal statistic ?

[Pedro Venâncio]

Hi Lene,

Can you share a sample dataset?

I think it can be possible if the pixels have all different values, and so,
Zonal Statistics choose the minimum value as minority and majority, but it
could choose any other value, because any pixel value can be considered the
less and most represented, as they are all different.

Best regards,
Pedro Venâncio

A quinta, 7/05/2020, 09:34, Lene Fischer  escreveu:

> Hi
>
> I´m trying to calculate values in multi spectral images.
>
> When I use Zonal statistic I get the same result for _min, _minority and
> _majority
>
> Example:
>
>
>
> fid
>
> _count
>
> _mean
>
> _median
>
> _min
>
> _max
>
> _minority
>
> _majority
>
>
>
> 57
>
> 44
>
> 0.06883086238733747
>
> 0.06847017258405685
>
> 0.062062818557024
>
> 0.07621321827173233
>
> 0.062062818557024
>
> 0.062062818557024
>
>
>
> Can you confirm this error – then I´ll make a bugreport J
>
>
>
> Regards
>
>
>
>
>
> *Lene Fischer*
>
> Associate Professor
>
>
>
> *University of Copenhagen*
>
> Department of Geosciences and Natural Resource Management
>
> Forest and Landscape College
>
> Nødebovej 77a
>
> 3480 Fredensborg
>
>
>
> MOB +45 40115084
>
> l...@ign.ku.dk
>
>
>
>
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Re: [QGIS-it-user] Nuovo PSC QGIS 2020

[Totò]

Totò wrote
> Salve lista,
> ecco il nuovo PSC:
> 
> benvenuto al nuovo presidente del consiglio QGIS: Marco Bernasocchi -
> @mbernasocchi - e al nuovo vicepresidente Alessandro Pasotti - @elpaso66 -
> governance: Jürgen Fischer, Andreas Neumann e Anita Graser. Buon lavoro e
> grazie a Paolo Cavallini - @paolocavall - chair uscente.
> 
> saluti

Chiedo venia, ho dimenticato di allegare post del chair uscente

http://blog.qgis.org/2020/05/06/qgis-annual-general-meeting-2020/

saluti



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Re: [QGIS-it-user] Nuovo PSC QGIS 2020

[Paolo Cavallini]

Grazie a tutti, fa piacere che l'impegno sia apprezzato!
Happy QGISsing.

Il 07/05/20 10:38, aldo ha scritto:
> Ringrazio chi è uscito e auguro un buon lavoro a chi è entrato.
> Come utente “utonto” non posso che ringraziare tutti quanti per
> l’impegno profuso e per quello che verrà
> Aldo
> 
> 
> Dr. Aldo Piombino
> Scienzeedintorni: www.aldopiombino.blogspot.it
>  
> Skype: aldo.piombino
> 
> 
> 
> 
> 
> 
> 
> 
>> Il giorno 7 mag 2020, alle ore 10:21, Giacomo Fontanelli
>> mailto:giacomofontanell...@gmail.com>>
>> ha scritto:
>>
>> Grazie Totò e buon lavoro a tutti
>> giacomo
>>
>>
>> Il giorno mer 6 mag 2020 alle ore 17:20 Totò
>> mailto:pigrecoinfin...@gmail.com>> ha scritto:
>>
>> Salve lista,
>> ecco il nuovo PSC:
>>
>> benvenuto al nuovo presidente del consiglio QGIS: Marco Bernasocchi -
>> @mbernasocchi - e al nuovo vicepresidente Alessandro Pasotti -
>> @elpaso66 -
>> governance: Jürgen Fischer, Andreas Neumann e Anita Graser. Buon
>> lavoro e
>> grazie a Paolo Cavallini - @paolocavall - chair uscente.
>>
>> saluti
>>
>>
>>
>> -
>> https://pigrecoinfinito.wordpress.com/
>> --
>> Sent from:
>> http://osgeo-org.1560.x6.nabble.com/QGIS-Italian-User-f5250612.html
>> ___
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>> QGIS-it-user@lists.osgeo.org 
>> https://lists.osgeo.org/mailman/listinfo/qgis-it-user
>>
>> ___
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> 
> 
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Re: [QGIS-it-user] Nuovo PSC QGIS 2020

[aldo]

Ringrazio chi è uscito e auguro un buon lavoro a chi è entrato.
Come utente “utonto” non posso che ringraziare tutti quanti per l’impegno 
profuso e per quello che verrà
Aldo


Dr. Aldo Piombino
Scienzeedintorni: www.aldopiombino.blogspot.it 
Skype: aldo.piombino








> Il giorno 7 mag 2020, alle ore 10:21, Giacomo Fontanelli 
>  ha scritto:
> 
> Grazie Totò e buon lavoro a tutti
> giacomo
> 
> 
> Il giorno mer 6 mag 2020 alle ore 17:20 Totò  > ha scritto:
> Salve lista,
> ecco il nuovo PSC:
> 
> benvenuto al nuovo presidente del consiglio QGIS: Marco Bernasocchi -
> @mbernasocchi - e al nuovo vicepresidente Alessandro Pasotti - @elpaso66 -
> governance: Jürgen Fischer, Andreas Neumann e Anita Graser. Buon lavoro e
> grazie a Paolo Cavallini - @paolocavall - chair uscente.
> 
> saluti
> 
> 
> 
> -
> https://pigrecoinfinito.wordpress.com/ 
> 
> --
> Sent from: 
> http://osgeo-org.1560.x6.nabble.com/QGIS-Italian-User-f5250612.html 
> 
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[Qgis-user] Error in Zonal statistic ?

[Lene Fischer]

Hi
I´m trying to calculate values in multi spectral images.
When I use Zonal statistic I get the same result for _min, _minority and 
_majority
Example:


fid

_count

_mean

_median

_min

_max

_minority

_majority



57

44

0.06883086238733747

0.06847017258405685

0.062062818557024

0.07621321827173233

0.062062818557024

0.062062818557024


Can you confirm this error - then I´ll make a bugreport :)

Regards


Lene Fischer
Associate Professor

University of Copenhagen
Department of Geosciences and Natural Resource Management
Forest and Landscape College
Nødebovej 77a
3480 Fredensborg

MOB +45 40115084
l...@ign.ku.dk


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Re: [QGIS-it-user] Nuovo PSC QGIS 2020

[Giacomo Fontanelli]

Grazie Totò e buon lavoro a tutti
giacomo


Il giorno mer 6 mag 2020 alle ore 17:20 Totò  ha
scritto:

> Salve lista,
> ecco il nuovo PSC:
>
> benvenuto al nuovo presidente del consiglio QGIS: Marco Bernasocchi -
> @mbernasocchi - e al nuovo vicepresidente Alessandro Pasotti - @elpaso66 -
> governance: Jürgen Fischer, Andreas Neumann e Anita Graser. Buon lavoro e
> grazie a Paolo Cavallini - @paolocavall - chair uscente.
>
> saluti
>
>
>
> -
> https://pigrecoinfinito.wordpress.com/
> --
> Sent from:
> http://osgeo-org.1560.x6.nabble.com/QGIS-Italian-User-f5250612.html
> ___
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Re: [Qgis-user] combining fragmented forests

[Frank Broniewski]

Hi Reiko,

another idea might be to use a buffer to stitch polygons together. Use a 
small buffer value and choose to dissolve the resulting polygons. That 
method does not however preserve meaningful attribute values.


Let's know how your progress goes,
Frank

Am 06.05.20 um 20:55 schrieb RMG:

Hello,

I have five shapefiles that contain thousands of fragmented forests that 
I created from a NDVI raster of a large protected area in West Africa, 
which I separated into five panels. Now, how do I stitch thousands of 
the fragmented forests at the borders?


Each shapefile's attributes have ID, count (number of units), area, and 
perimeter, so I can visually recognize which fragments need stitching, 
but because there are so many, I don't think I can do it manually.


Any help would be appreciated.

Best wishes,


Reiko Matsuda Goodwin
Comoé Monkey Project 
Guenon Conservation Community 





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[Qgis-user] AGM results

[Paolo Cavallini]

Hi all,
2020 AGM process has been successfully completed. You'll find the
results here:
https://www.qgis.org/en/site/getinvolved/governance/annual_general_meetings/index.html
http://blog.qgis.org/2020/05/06/qgis-annual-general-meeting-2020/
All the best.
-- 
Paolo Cavallini
www.faunalia.eu - QGIS.org
training, support, development on QGIS, PostGIS and more
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Re: [QGIS-it-user] QGIS e Schermo HD

[Totò]

Federico Gianoli-2 wrote
> Carissimi,
> 
> forse qualcuno di voi ha avuto o ha il mio stesso problema.  Ho
> recentemente cambiato laptop e ne ho acquistato uno con uno schermo in
> alta, altissima, definizione. (windows 10)
> Apparentemente tutto funziona ma, appena si attacca uno schermo esterno
> con
> una diversa definizione cominciano i problemi e QGIS fa un po' le bizze
> col
> ridimensionamento, diventando illeggibile ed inutilizzabile.
> 
> Windows prevede già queste opzioni e nella gestioni schermi ci sono le
> opzioni per gestire la scala di ridimensionamento, tuttavia per QGIS non
> funzionavano correttamente e QGIS era inutilizzabile per le dimensioni
> eccessive.
> Scartabellando un po' in giro, e grazie all'aiuto di Alessandro Pasotti,
> ho
> capito che bisogna andare ad agire sulle variabili di ambiente di windows 
> [
> https://www.architectryan.com/2018/08/31/how-to-change-environment-variables-on-windows-10/
> ] andando ad aggiungere le variabili di ambiente per QT.
> Per me ha funzionato impostare questa variabile QT_SCREEN_SCALE_FACTORS =
> 2
> [https://doc.qt.io/qt-5/highdpi.html] e successivamente dalle opzioni di
> QGIS > Generale, andare a reimpostare la dimensione delle icone.
> Con questa procedura sono riuscito a gestire correttamente il
> ridimensionamento di QGIS sui due schermi.

Ciao Federico e grazie.

Sono d'accordo con te, questo potrebbe diventare un problema per molte
persone.

Appena posso farò un post.

saluti



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