Re: [Qgis-user] Hardware comparisons

[Bernd Vogelgesang]

I'm not sure what you mean by RAM hungry. When I fire up QGIS with no 
plug-ins on my Linux Mint, the RAM consumption goes up from 1,2 GB to 
1,4GB of 16 GB available. What happens after should be completely user- 
, use case and data-depended, I guess.



Cheers,

Bernd

On 15.06.21 17:45, Paul Wittle wrote:

Hi,

We were doing some testing for using GIS applications as RemoteApp solutions 
today and I noticed that QGIS seems to be pretty RAM hungry compared with say 
MapInfo. Does anyone know if there are any good summaries available showing the 
differences in RAM/CPU use comparing all the big ones (i.e. QGIS, MapInfo, 
ArcMap etc)?

Also, is it possible to set a limit on the total RAM QGIS can use in the 
settings? Is it the cache size?

Thanks in advance,
Paul
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Re: [QGIS-it-user] Proposta

[girarsi AT posteo DOT eu]

Il 14/06/21 23:00, Marco Spaziani ha scritto:
> Grazie Stefano per la tua risposta schietta e, purtroppo, realistica.
> -
> P.S. " *ditemi voi se ad una risposta così che cosa si può
> controbattere*... "  ...a me vengono in mente, come possibili risposte a
> quella presuntuosa affermazione, solo delle irripetibili volgarità.
> 
> 


Purtroppo non c'è fine al peggio, specie se è gratis.

In realtà le strade son sempre quelle, armarsi di pazienza e spiegare,
quanto già spiegato nelle informazioni del gruppo, ma la pazienza alle
volte o spesso non c'è e si accompagna alla circumnavigazione dei
cosiddetti, e da par mio, risponderei che se ha fretta, vada da un
professionista e se lo paghi, lì può pretendere, ma con civiltà, perchè
anche il professionista cala la stanga se si oltrepassano certi limiti,
è pur sempre un essere umano.

Questo tipo di utenti, mi pare siano il classico sfruttatori di
volontari, e di idee altrui, perchè non ha la minima intelligenza di
capre, che se c'è un problema e viene risolto con l'aiuto degli altri,
poi avrai l'esperienza per aiutare altri in quella situazione, oppure
riportare altre esperienze che a te si sono risolte e ad altri, che non
riescono come dice Don Milani, può essere utile, insomma la classica
viralità dell'auto-mutuo-aiuto.


Una ricetta non ce l'ho tuttavia, credo, l'unica strada per chi ha
fretta, sia indirizzarli dal professionista, perchè è palese che in una
mailing list, un gruppo FB, o TW, o altro, ognuno mette il suo tempo
quando può, e come può, con quanto la propria esperienza gli ha dato o
gli suggerisce, e tuttavia anche il tempo di ricerca nel passato
richiede appunto TEMPO.


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Simone Girardelli
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[Qgis-user] Hardware comparisons

[Paul Wittle]

Hi,

We were doing some testing for using GIS applications as RemoteApp solutions 
today and I noticed that QGIS seems to be pretty RAM hungry compared with say 
MapInfo. Does anyone know if there are any good summaries available showing the 
differences in RAM/CPU use comparing all the big ones (i.e. QGIS, MapInfo, 
ArcMap etc)?

Also, is it possible to set a limit on the total RAM QGIS can use in the 
settings? Is it the cache size?

Thanks in advance,
Paul
This e-mail and any files transmitted with it are intended solely for the use 
of the individual or entity to whom they are addressed. It may contain 
unclassified but sensitive or protectively marked material and should be 
handled accordingly. Unless you are the named addressee (or authorised to 
receive it for the addressee) you may not copy or use it, or disclose it to 
anyone else. If you have received this transmission in error please notify the 
sender immediately. All traffic may be subject to recording and/or monitoring 
in accordance with relevant legislation. Any views expressed in this message 
are those of the individual sender, except where the sender specifies and with 
authority, states them to be the views of Dorset Council. Dorset Council does 
not accept service of documents by fax or other electronic means. Virus 
checking: Whilst all reasonable steps have been taken to ensure that this 
electronic communication and its attachments whether encoded, encrypted or 
otherwise supplied are free from computer viruses, Dorset Council accepts no 
liability in respect of any loss, cost, damage or expense suffered as a result 
of accessing this message or any of its attachments. For information on how 
Dorset Council processes your information, please see 
www.dorsetcouncil.gov.uk/data-protection
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[Qgis-user] Custom parameters in WMS client requests (QGIS Desktop)

[Marc Boucher]

Hello,

Is there a way to pass custom parameters in WMS Client GetMap requests for a 
specific layer ? 

We need to specify an SLD=https://www.web.server/file.sld 
 or SLD_BODY for specific rendering options.

ArcGIS Desktop supports this nicely through custom request parameters that can 
be specified in WMS Layer properties:



Does QGIS Desktop have something similar ? Or could it be added, please?

Cheers,

Marc



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Re: [Qgis-user] Fwd: Compiling messages Qgis 3.19.0

[Andrea Giudiceandrea]

Richard Duivenvoorde wrote
> Could not execute: INSERT INTO tbl_srs(srs_id,
> description,projection_acronym,ellipsoid_acronym,parameters,srid,auth_name,auth_id,is_geo,deprecated)
> VALUES (63321, 'Timbalai 1948 / RSO Sarawak LSD
> (m)','omerc','omerc','+proj=omerc +no_uoff +lat_0=4 +lonc=115
> +alpha=53.315820472 +gamma=53.130102361 +k=0.99984 +x_0=200
> +y_0=500 +ellps=evrstSS +towgs84=-679,669,-48,0,0,0,0 +units=m
> +no_defs',520003321,'EPSG','29874',0,0) [UNIQUE constraint failed:
> tbl_srs.srs_id/UNIQUE constraint failed: tbl_srs.srs_id]
> 
> 1 CRSs could not be updated.
> 
> Others can confirm? (and eventually @Andrea: would this be fixable ;-) )

Hi Richard,
this issue was already fixed (as confirmed by Saulteau and Piet) with
https://github.com/qgis/QGIS/pull/43694, thereafter superseded by
https://github.com/qgis/QGIS/pull/43712 which has not yet been merged in
master.

Bet regards.

Andrea



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Re: [QGIS-it-user] modificare stringa gdal/ogr2ogr da Processing

[Andrea Giudiceandrea]

Stefano Campus wrote
> :-(
> è la prima volta che noto la "rotella" delle impostazioni avanzate...

Ho dato un'occhiata alla documentazione sull'interfaccia di batch processing
[1] e, in effetti, sembra che questa funzionalità purtroppo non sia
documentata, pur esistendo da svariati anni...

Quindi, mi sa che non sei l'unico a non essersene mai accorto!

A presto.

Andrea


[1] https://docs.qgis.org/testing/en/docs/user_manual/processing/batch.html



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Re: [Qgis-user] Fwd: Compiling messages Qgis 3.19.0

[Richard Duivenvoorde]

Hi (as promissed):


Seeing (only) this one now during local compile/install :

Could not execute: INSERT INTO tbl_srs(srs_id, 
description,projection_acronym,ellipsoid_acronym,parameters,srid,auth_name,auth_id,is_geo,deprecated)
 VALUES (63321, 'Timbalai 1948 / RSO Sarawak LSD 
(m)','omerc','omerc','+proj=omerc +no_uoff +lat_0=4 +lonc=115 
+alpha=53.315820472 +gamma=53.130102361 +k=0.99984 +x_0=200 
+y_0=500 +ellps=evrstSS +towgs84=-679,669,-48,0,0,0,0 +units=m 
+no_defs',520003321,'EPSG','29874',0,0) [UNIQUE constraint failed: 
tbl_srs.srs_id/UNIQUE constraint failed: tbl_srs.srs_id]

1 CRSs could not be updated.

Others can confirm? (and eventually @Andrea: would this be fixable ;-) )

Regards,

Richard Duivenvoorde


On 6/13/21 2:30 PM, APM wrote:
> Dear List,
> 
> after patching the files I see no messages anymore and the related CRS is 
> visible in the CRS list!
> 
> Have thanks!
> 
> Kind regards
> 
> Piet
> 
> 
> 
>  Weitergeleitete Nachricht 
> Betreff:  Re: [Qgis-user] Compiling messages Qgis 3.18.3
> Datum:Fri, 11 Jun 2021 13:55:56 +0200
> Von:  APM 
> An:   qgis-user@lists.osgeo.org
> 
> 
> 
> Dear List,
> 
> sorry, I give bad data.
> 
> My compiled Qgis version is not 3.18.3, it's
> 
> QGIS-Version
> 
>   
> 
> 3.19.0-Master
> 
>   
> 
> QGIS-Codeversion
> 
>   
> 
> 2066fd6fb9 
> 
> Kind regards
> 
> Piet
> 
> Am 11.06.21 um 09:24 schrieb APM:
>>
>> Hello Saulteau,
>>
>> I'm unsure, if I understand your information right.
>>
>> 1. Go to the issue that Andrea referenced at   > ok
>>
>> 2. copy the patch link with the clipboard button.
>>
>> I think this is the button on the right side beneath "Verified". If I press 
>> it   in Firefox
>>
>> I have "4036e3d6ae71ffefc48a22295e338f59502949bb" in the browsers clipboard.
>>
>> So I copy and paste the file directly and stored it as 'srs-fix.diff':
>>
>> If I use the command
>>
>> patch -Np1 -i /home/user/tmp/srs-fix.diff
>>
>> I get the message:
>>
>> ---
>>
>> user@debian:~/src/qgis/cpp/QGIS/src$ patch -Np1 -i 
>> /home/user/tmp/srs-fix.diff can't find file to patch at input line 5 Perhaps 
>> you used the wrong -p or --strip option? The text leading up to this was: 
>> -- |diff --git 
>> a/src/core/proj/qgscoordinatereferencesystem.cpp 
>> b/src/core/proj/qgscoordinatereferencesystem.cpp |index 
>> 77c7081e455d..4cba529b89de 100644 |--- 
>> a/src/core/proj/qgscoordinatereferencesystem.cpp |+++ 
>> b/src/core/proj/qgscoordinatereferencesystem.cpp -- 
>> File to patch:
>>
>> ---
>>
>> Kind regards
>>
>> Piet
>>
>> ~/src/qgis/cpp/QGIS/src$ patch -Np1 -i /home/user/tmp/ 
>> 4036e3d6ae71ffefc48a22295e338f59502949bb.diff srs-fix.diff 
>> user@debian:~/src/qgis/cpp/QGIS/src$ patch -Np1 -i 
>> /home/user/tmp/srs-fix.diff can't find file to patch at input line 5 Perhaps 
>> you used the wrong -p or --strip option? The text leading up to this was: 
>> -- |diff --git 
>> a/src/core/proj/qgscoordinatereferencesystem.cpp 
>> b/src/core/proj/qgscoordinatereferencesystem.cpp |index 
>> 77c7081e455d..4cba529b89de 100644 |--- 
>> a/src/core/proj/qgscoordinatereferencesystem.cpp |+++ 
>> b/src/core/proj/qgscoordinatereferencesystem.cpp --
>>
>> Am 11.06.21 um 04:00 schrieb Saulteau Don:
>>> The patch resolved almost all of them! It's left a single CRS that couldn't 
>>> be:
>>>
>>> Could not execute: INSERT INTO tbl_srs(srs_id, 
>>> description,projection_acronym,ellipsoid_acronym,parameters,srid,auth_name,auth_id,is_geo,deprecated)
>>>  VALUES (63
>>> 321, 'Timbalai 1948 / RSO Sarawak LSD (m)','omerc','omerc','+proj=omerc 
>>> +no_uoff +lat_0=4 +lonc=115 +alpha=53.315820472 +gamma=53.130102361 
>>> +k=0.99984
>>> +x_0=200 +y_0=500 +ellps=evrstSS +towgs84=-679,669,-48,0,0,0,0 
>>> +units=m +no_defs',520003321,'EPSG','29874',0,0) [UNIQUE constraint failed: 
>>> tbl_srs.srs_
>>> id/UNIQUE constraint failed: tbl_srs.srs_id]
>>>
>>> 1 CRSs could not be updated.
>>>
>>> Tested on QGIS 3.18.3 and Arch Linux.
>>>
>>> To get the patch:
>>> 1.) Go to the issue that Andrea referenced at 
>>> https://github.com/qgis/QGIS/pull/43671 
>>>  and click the "commits" tab
>>> 2.) copy the patch link with the clipboard button and paste that into your 
>>> browser
>>> 3.) add .diff to it like so,
>>> https://github.com/qgis/QGIS/commit/4036e3d6ae71ffefc48a22295e338f59502949bb.diff
>>>  
>>> 
>>>
>>> that's the patch file =) download it or put it in a notepad and save it.
>>>
>>> This particular patch is being applied to 'master' so it's important to 
>>> Find & Replace the reference to the /proj/ folder.
>>> It's because the /proj folder doesn't exist in the 3.18.3 source package 
>>> and the patch won't apply.
>>>
>>> Then, you can change