Re: [Qgis-user] Geopackage slow on NAS if not read-only

2023-03-15 Thread jhubbslist--- via QGIS-User 

Árni -

Are you using SMB/CIFS to access this NAS, and are you using wifi or 
Ethernet to connect to it?


- Jeff

On 3/15/23 3:30 PM, Árni Geirsson via QGIS-User wrote:

Hello all QGIS and geopackage users.
I store my geopackages on a Synology RackStation NAS unit, like all 
other documents that are kept on a shared drive in the office. For 
larger datasets, the rendering is very slow, unless I open the 
properties dialog for the file in Windows and check the read only box. 
After that, the features are rendered blazingly fast. Nothing else is 
changed to see the dramatic difference in the rendering speed. 
Luckily, I don't need to edit many of the larger datasets, such as 
road networks and elevation contours and the geopackage can be kept 
read only. Shapefiles are not affected.

What explains this and does anyone know how to solve the problem?
Do other users experience this?

Árni Geirsson

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Re: [Qgis-user] Adding the Ubuntu Repo in Linux Mint

2023-03-15 Thread Steve via QGIS-User 
Thank you both. Hopefully I am replying so both can see. Will try these methods 
tonight after work.

On March 15, 2023 1:30:42 PM CDT, Ludwig Kniprath  wrote:
>Hi Steve,
>
>I successfully use and update QGis on Mint 21.1.
>
>If installed via
>
>https://qgis.org/en/site/forusers/alldownloads.html#quickstart
>
>You have to enter
>
>   cat /etc/apt/sources.list.d/qgis.sources
>
>in terminal to get the file-contents:
>
>   Types: deb deb-src
>   URIs: https://qgis.org/ubuntu
>   Suites: jammy
>   Architectures: amd64
>   Components: main
>   Signed-By: /etc/apt/keyrings/qgis-archive-keyring.gpg
>
>Entries are listed in "Software Sources", too, but under
>
>btw:
>
>With FlatPak-Install I encountered some problems in the past regarding 
>MetaSearch-Plugin and had to disable this plugin.
>
>hth
>
>Ludwig
>
>Am 15.03.23 um 15:24 schrieb Richard Greenwood via QGIS-User:
>> I'm guessing that you are on version 21.x of Linux Mint. (You can check your 
>> version at the command line by entering *cat /etc/issue*). At the command 
>> line you can check that the Ubuntu QGIS repository is installed by entering:
>> *cat /etc/apt/sources.list.d/qgis.list*
>> if you get the following two lines then you're good to go.
>>    deb [arch=amd64] https://qgis.org/ubuntu jammy main
>>    deb-src [arch=amd64] https://qgis.org/ubuntu jammy main
>> 
>> Alternatively, you can check by using the GUI "Software Sources" > 
>> "Additional Repositories" where you should see:
>> image.png
>> 
>> 
>> 
>> On Wed, Mar 15, 2023 at 6:04 AM Steve via QGIS-User 
>>  wrote:
>> 
>> I have thoroughly confused myself with this, hopefully someone can
>> help. Following the instructions here:
>> 
>> https://www.qgis.org/en/site/forusers/alldownloads.html#
>> 
>> I did manage to install QGIS 3.30, but judging by the GUI software
>> sources app in Mint, I have not added the repo, so I am concerned
>> about receiving future updates.
>> In the box under Ubuntu instructions, the components are there
>> (such as URI and distro codename) but no word on how to order them
>> or what commands to use to apply them.
>> 
>> Should a user at my level perhaps uninstall the deb package and
>> just download the flatpak version?
>> 
>> Thank you!
>> ___
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>> List info: https://lists.osgeo.org/mailman/listinfo/qgis-user
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>> 
>> 
>> 
>> -- 
>> Richard W. Greenwood
>> www.greenwoodmap.com 
>> 
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Re: [Qgis-user] Export as image -> jpeg - Where to find the compression rate setting ?

2023-03-15 Thread Nicolas Cadieux via QGIS-User 
Hi,
Try gdal translate.  You can add compression type and compression levels.  Look 
in the advanced options. Press the help button.
Nicolas

Envoyé de mon iPad

> Le 14 mars 2023 à 10:29, info--- via QGIS-User  a 
> écrit :
> 
> 
> Hello everyone, 
> 
> I would like to know if there is an option or setting somewhere in Qgis, to 
> adjust the compression rate of the jpeg format when exporting a layout: 
> "export to image format" -> jpeg/jpg. I couldn't find anything in the Qgis 
> configuration options, but maybe there is a setting in the advanced 
> configuration settings (you get lost quickly because there are so many 
> settings... and I'm not an expert on this point)? 
> Anyone got a lead? 
> 
> THANKS, 
> Olivier
> 
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Re: [Qgis-user] Geopackage slow on NAS if not read-only

2023-03-15 Thread Árni Geirsson via QGIS-User 
Hi Andrea, thanks for the reply.
This problem has been consistent for years, since I started using
geopackages, and therefore all versions of QGIS and Windows 7 and onwards,
currently Windows 11.

Árni


On Wed, 15 Mar 2023 at 19:47, Andrea Giudiceandrea via QGIS-User <
qgis-user@lists.osgeo.org> wrote:

> > Árni Geirsson arni at alta.is
> > Wed Mar 15 12:30:51 PDT 2023
>
> > I store my geopackages on a Synology RackStation NAS unit, like all other
> > documents that are kept on a shared drive in the office. For larger
> > datasets, the rendering is very slow, unless I open the properties dialog
> > for the file in Windows and check the read only box.
>
> Hi Árni,
> could you please specify which QGIS version are you using, on which OS
> and version?
>
> Best regards.
>
> Andrea Giudiceandrea
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Re: [Qgis-user] Geopackage slow on NAS if not read-only

2023-03-15 Thread Andrea Giudiceandrea via QGIS-User 

Árni Geirsson arni at alta.is
Wed Mar 15 12:30:51 PDT 2023



I store my geopackages on a Synology RackStation NAS unit, like all other
documents that are kept on a shared drive in the office. For larger
datasets, the rendering is very slow, unless I open the properties dialog
for the file in Windows and check the read only box.


Hi Árni,
could you please specify which QGIS version are you using, on which OS 
and version?


Best regards.

Andrea Giudiceandrea
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[Qgis-user] Geopackage slow on NAS if not read-only

2023-03-15 Thread Árni Geirsson via QGIS-User 
Hello all QGIS and geopackage users.
I store my geopackages on a Synology RackStation NAS unit, like all other
documents that are kept on a shared drive in the office. For larger
datasets, the rendering is very slow, unless I open the properties dialog
for the file in Windows and check the read only box. After that, the
features are rendered blazingly fast. Nothing else is changed to see the
dramatic difference in the rendering speed. Luckily, I don't need to edit
many of the larger datasets, such as road networks and elevation contours
and the geopackage can be kept read only. Shapefiles are not affected.
What explains this and does anyone know how to solve the problem?
Do other users experience this?

Árni Geirsson
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Re: [Qgis-user] Qgis server : install on Linux Debian

2023-03-15 Thread Aguilar Bolivar, Rosa (UT-ITC) via QGIS-User 
Hi,

There is a helpful material at: https://github.com/elpaso/qgis3-server-vagrant,
Also a docker container image at: https://github.com/elpaso/qgis-server-docker.
Perhaps you could use this material as a starting point.
Hope this helps.

Best,

Rosa

-
Dr. Rosa Aguilar
University of Twente
Faculty of Geoinformation Science and Earth Observation
Connect with me on 
LinkedIn
https://rosaguilar.github.io
-
The essential is invisible to the eye. Saint-Exupéry

From: QGIS-User  On Behalf Of celati Laurent 
via QGIS-User
Sent: Wednesday, March 15, 2023 4:23 PM
To: qgis-user 
Subject: [Qgis-user] Qgis server : install on Linux Debian

Good afternnon,

I want to install Qgis server on my Linux Debian server virtual .For now, it's 
not working.
FYI, I already have a working apache server and used for geoserver and 
geonetwork.

I followed the Qgis server doc/tutorial:
https://docs.qgis.org/3.22/en/docs/training_manual/qgis_server/install.html
https://docs.qgis.org/3.22/en/docs/server_manual/getting_started.html#installation-on-debian-based-systems

FYI, when I test the executable, here is the message.The version seems to be 
qgis 3.10 (and not 3.22). And the status message is 200 and not 400.
[code]root@XX:/usr/lib/cgi-bin# /usr/lib/cgi-bin/qgis_mapserv.fcgi 
--version
Application path not initialized
Application path not initialized
Application path not initialized
QStandardPaths: runtime directory '/run/user/1001' is not owned by UID 0, but a 
directory permissions 0700 owned by UID 1001 GID 1001
Warning 1: Unable to find ECW driver to unload from GDAL_SKIP environment 
variable.
Warning 1: Unable to find ECW driver to unload from GDAL_SKIP environment 
variable.
Warning 1: Unable to find driver JP2ECW to unload from GDAL_SKIP environment 
variable.
Initializing server modules from "/usr/lib/qgis/server"
"Checking /usr/lib/qgis/server for native services modules"
"Loading native module /usr/lib/qgis/server/libdummy.so"
"Loading native module /usr/lib/qgis/server/libwcs.so"
"Loading native module /usr/lib/qgis/server/libwfs.so"
"Loading native module /usr/lib/qgis/server/libwfs3.so"
"Loading native module /usr/lib/qgis/server/libwms.so"
"Loading native module /usr/lib/qgis/server/libwmts.so"
:1: DeprecationWarning: setapi() is deprecated
Logged warning: Loading a file that was saved with an older version of qgis 
(saved in 0.0.0, loaded in 3.10.14-A Coruña). Problems may occur.
Content Length: 206
Content-Type: text/xml; charset=utf-8
[b]Server: Qgis FCGI server - QGis version 3.10.14-A Coruña
Status: 200
http://www.opengis.net/ogc"
 version="1.3.0">
Service unknown or 
unsupported


I installed mod_fcgid successfully.
As I already Apache installed. What should I do ? I would like to be able to 
coexist geoserver, geonetwork and qgis server. I would like to be able to add 
for qgis server a https://SERVEUR_NAME/qgis_server URL.

I created a qgis.demo.conf file under etc/apache2/sites-available. I only 
replaced ServerName with my server's IP. I haven't changed anything else. Given 
my needs and working environment, should I modify the first line of the file? :
[

I created the directories that will store the QGIS server logs and the 
authentication database logs:
[code]mkdir -p /var/log/qgis/
chown www-data:www-data /var/log/qgis
mkdir -p /home/qgis/qgisserverdb
chown www-data:www-data /home/qgis/qgisserverdb

I enabled fgcid mode and virtual host. But after restarting apache, I got 
nothing.

root@:/etc# curl

Re: [Qgis-user] Qgis server : install on Linux Debian

2023-03-15 Thread Andrea Giudiceandrea via QGIS-User 

celati Laurent laurent.celati at gmail.com
Wed Mar 15 08:23:10 PDT 2023



The version seems to
be qgis 3.10 (and not 3.22).


Hi Laurent,
the QGIS version installed depends on your Debian OS version and on the 
package repository used to install QGIS.


What Debian version are you using? What repository? Did you follow the 
installation instruction for you Linux distribution available on the 
QGIS web site as mentioned in the QGIS Server Guide/Manual?


Best regards.

Andrea Giudiceandrea
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Re: [Qgis-user] How to count number of layers loaded in layer panel of QGIS

2023-03-15 Thread Ludwig Kniprath via QGIS-User 

That depends on the kind and state of layers You want to count:


# All layers (as listed in TOC, included: "non-drawable" and invalid layers)

layers = QgsProject.instance().layerTreeRoot().findLayers()
# list-items: "QgsLayerTreeLayer"


# All valid layers (included: "non-drawable"-layers):
layers = QgsProject.instance().mapLayers()
# list-items: layer-id


# Only visible, valid and "drawable" layers:
layers = iface.mapCanvas().layers()
# list-items: layer


for layer in layers:
    print(layer)

print(len(layers))


hth

Ludwig




Am 15.03.23 um 08:42 schrieb Paul N via QGIS-User:
I want to count number of layer loaded. How to count number of layers 
loaded in layer panel of QGIS.


Regards.

Paul N

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Re: [Qgis-user] Qgis server : install on Linux Debian

2023-03-15 Thread Tomas Pospisek via QGIS-User 

On 15.03.23 16:23, celati Laurent via QGIS-User wrote:

Good afternnon,

I want to install Qgis server on my Linux Debian server virtual .For 
now, it's not working.
FYI, I already have a working apache server and used for geoserver and 
geonetwork.


I followed the Qgis server doc/tutorial:
https://docs.qgis.org/3.22/en/docs/training_manual/qgis_server/install.html 

https://docs.qgis.org/3.22/en/docs/server_manual/getting_started.html#installation-on-debian-based-systems
 


FYI, when I test the executable, here is the message.The version seems 
to be qgis 3.10 (and not 3.22). And the status message is 200 and not 400.
/[code]root@XX:/usr/lib/cgi-bin# 
/usr/lib/cgi-bin/qgis_mapserv.fcgi --version

Application path not initialized
Application path not initialized
Application path not initialized
QStandardPaths: runtime directory '/run/user/1001' is not owned by UID 
0, but a directory permissions 0700 owned by UID 1001 GID 1001
Warning 1: Unable to find ECW driver to unload from GDAL_SKIP 
environment variable.
Warning 1: Unable to find ECW driver to unload from GDAL_SKIP 
environment variable.
Warning 1: Unable to find driver JP2ECW to unload from GDAL_SKIP 
environment variable.

Initializing server modules from "/usr/lib/qgis/server"
"Checking /usr/lib/qgis/server for native services modules"
"Loading native module /usr/lib/qgis/server/libdummy.so"
"Loading native module /usr/lib/qgis/server/libwcs.so"
"Loading native module /usr/lib/qgis/server/libwfs.so"
"Loading native module /usr/lib/qgis/server/libwfs3.so"
"Loading native module /usr/lib/qgis/server/libwms.so"
"Loading native module /usr/lib/qgis/server/libwmts.so"
:1: DeprecationWarning: setapi() is deprecated
Logged warning: Loading a file that was saved with an older version of 
qgis (saved in 0.0.0, loaded in 3.10.14-A Coruña). Problems may occur.

Content Length: 206
Content-Type: text/xml; charset=utf-8
[b]Server: Qgis FCGI server - QGis version 3.10.14-A Coruña
Status: 200
http://www.opengis.net/ogc 
" version="1.3.0">
Service unknown or 
unsupported

/


I guess it's best to solve one problem after the other. So above we see 
that the qgis server is working.


We do not see how you installed the server. I am guessing you did a `apt 
install qgis-server`. If that's the case then you should be able to see 
the version of the installed qgis server like this: `dpkg -s qgis-server`.



I installed mod_fcgid successfully.
As I already Apache installed. What should I do ? I would like to be 
able to coexist geoserver, geonetwork and qgis server. I would like to 
be able to add for qgis server a https://SERVEUR_NAME/qgis_server 
 URL.


I created a qgis.demo.conf file under etc/apache2/sites-available. I 
only replaced ServerName with my server's IP. I haven't changed anything 
else. Given my needs and working environment, should I modify the first 
line of the file? :

[

/I created the directories that will store the QGIS server logs and the 
authentication database logs:

[code]mkdir -p /var/log/qgis/
chown www-data:www-data /var/log/qgis
mkdir -p /home/qgis/qgisserverdb
chown www-data:www-data /home/qgis/qgisserverdb/

I enabled fgcid mode and virtual host. But after restarting apache, I 
got nothing.

/
root@:/etc# curl 
http://XXX.fr/cgi-bin/qgis_mapserv.fcgi 




301 Moved Permanently

Moved Permanently
The document has moved href="https://XXXcgi-bin/qgis_mapserv.fcgi 
">here.


Apache/2.4.54 (Debian) Server at XXX.fr Port 80
[/code]/


You need to configure apache so that when it gets the URL 
http://XXX.fr/cgi-bin/qgis_mapserv.fcgi that the request ends up at 
the qgis server.


Via the browser, when I try 
/X.fr/cgi-bin/qgis_mapserv.fcgi?SERVICE=WMS=1.3.0=GetCapabilities/

It says Site Unreachable.

If someone could help me? THANKS.


*t

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[Qgis-user] Qgis server : install on Linux Debian

2023-03-15 Thread celati Laurent via QGIS-User 
Good afternnon,

I want to install Qgis server on my Linux Debian server virtual .For now,
it's not working.
FYI, I already have a working apache server and used for geoserver and
geonetwork.

I followed the Qgis server doc/tutorial:
https://docs.qgis.org/3.22/en/docs/training_manual/qgis_server/install.html
https://docs.qgis.org/3.22/en/docs/server_manual/getting_started.html#installation-on-debian-based-systems

FYI, when I test the executable, here is the message.The version seems to
be qgis 3.10 (and not 3.22). And the status message is 200 and not 400.
























*[code]root@XX:/usr/lib/cgi-bin# /usr/lib/cgi-bin/qgis_mapserv.fcgi
--versionApplication path not initializedApplication path not
initializedApplication path not initializedQStandardPaths: runtime
directory '/run/user/1001' is not owned by UID 0, but a directory
permissions 0700 owned by UID 1001 GID 1001Warning 1: Unable to find ECW
driver to unload from GDAL_SKIP environment variable.Warning 1: Unable to
find ECW driver to unload from GDAL_SKIP environment variable.Warning 1:
Unable to find driver JP2ECW to unload from GDAL_SKIP environment
variable.Initializing server modules from "/usr/lib/qgis/server""Checking
/usr/lib/qgis/server for native services modules""Loading native module
/usr/lib/qgis/server/libdummy.so""Loading native module
/usr/lib/qgis/server/libwcs.so""Loading native module
/usr/lib/qgis/server/libwfs.so""Loading native module
/usr/lib/qgis/server/libwfs3.so""Loading native module
/usr/lib/qgis/server/libwms.so""Loading native module
/usr/lib/qgis/server/libwmts.so":1: DeprecationWarning: setapi() is
deprecatedLogged warning: Loading a file that was saved with an older
version of qgis (saved in 0.0.0, loaded in 3.10.14-A Coruña). Problems may
occur.Content Length: 206Content-Type: text/xml; charset=utf-8[b]Server:
Qgis FCGI server - QGis version 3.10.14-A CoruñaStatus:
200http://www.opengis.net/ogc
" version="1.3.0">Service unknown or
unsupported*

I installed mod_fcgid successfully.
As I already Apache installed. What should I do ? I would like to be able
to coexist geoserver, geonetwork and qgis server. I would like to be able
to add for qgis server a https://SERVEUR_NAME/qgis_server URL.

I created a qgis.demo.conf file under etc/apache2/sites-available. I only
replaced ServerName with my server's IP. I haven't changed anything else.
Given my needs and working environment, should I modify the first line of
the file? :
[





*I created the directories that will store the QGIS server logs and the
authentication database logs:[code]mkdir -p /var/log/qgis/chown
www-data:www-data /var/log/qgismkdir -p /home/qgis/qgisserverdbchown
www-data:www-data /home/qgis/qgisserverdb*

I enabled fgcid mode and virtual host. But after restarting apache, I got
nothing.










*root@:/etc# curl
http://XXX.fr/cgi-bin/qgis_mapserv.fcgi
301 Moved
PermanentlyMoved PermanentlyThe document
has moved https://XXXcgi-bin/qgis_mapserv.fcgi
">here.Apache/2.4.54
(Debian) Server at XXX.fr Port 80[/code]*

Via the browser, when I try
*X.fr/cgi-bin/qgis_mapserv.fcgi?SERVICE=WMS=1.3.0=GetCapabilities*
It says Site Unreachable.

If someone could help me? THANKS.
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Re: [Qgis-user] Adding the Ubuntu Repo in Linux Mint

2023-03-15 Thread Richard Greenwood via QGIS-User 
I'm guessing that you are on version 21.x of Linux Mint. (You can check
your version at the command line by entering *cat /etc/issue*). At the
command line you can check that the Ubuntu QGIS repository is installed by
entering:
   *cat /etc/apt/sources.list.d/qgis.list*
if you get the following two lines then you're good to go.
   deb [arch=amd64] https://qgis.org/ubuntu jammy main
   deb-src [arch=amd64] https://qgis.org/ubuntu jammy main

Alternatively, you can check by using the GUI "Software Sources" >
"Additional Repositories" where you should see:
[image: image.png]



On Wed, Mar 15, 2023 at 6:04 AM Steve via QGIS-User <
qgis-user@lists.osgeo.org> wrote:

> I have thoroughly confused myself with this, hopefully someone can help.
> Following the instructions here:
>
> https://www.qgis.org/en/site/forusers/alldownloads.html#
>
> I did manage to install QGIS 3.30, but judging by the GUI software sources
> app in Mint, I have not added the repo, so I am concerned about receiving
> future updates.
> In the box under Ubuntu instructions, the components are there (such as
> URI and distro codename) but no word on how to order them or what commands
> to use to apply them.
>
> Should a user at my level perhaps uninstall the deb package and just
> download the flatpak version?
>
> Thank you!
> ___
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> List info: https://lists.osgeo.org/mailman/listinfo/qgis-user
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>


-- 
Richard W. Greenwood
www.greenwoodmap.com
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Re: [Qgis-user] How to count number of layers loaded in layer panel of QGIS

2023-03-15 Thread Jorge Gustavo Rocha via QGIS-User 

Hi Paul,

Run this on the Python console:

len(QgsProject.instance().mapLayers())

Best regards,

Jorge Gustavo

On 15/03/23 07:42, Paul N via QGIS-User wrote:
I want to count number of layer loaded. How to count number of layers 
loaded in layer panel of QGIS.


Regards.

Paul N

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[Qgis-user] Adding the Ubuntu Repo in Linux Mint

2023-03-15 Thread Steve via QGIS-User 
I have thoroughly confused myself with this, hopefully someone can help. 
Following the instructions here:

https://www.qgis.org/en/site/forusers/alldownloads.html#

I did manage to install QGIS 3.30, but judging by the GUI software sources app 
in Mint, I have not added the repo, so I am concerned about receiving future 
updates.
In the box under Ubuntu instructions, the components are there (such as URI and 
distro codename) but no word on how to order them or what commands to use to 
apply them.

Should a user at my level perhaps uninstall the deb package and just download 
the flatpak version?

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[Qgis-user] How to count number of layers loaded in layer panel of QGIS

2023-03-15 Thread Paul N via QGIS-User 
I want to count number of layer loaded. How to count number of layers
loaded in layer panel of QGIS.

Regards.

Paul N
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