Re: [Qgis-user] Two LAZ file possible issues iwth some new data we received to processs

[Mike Stanton via QGIS-User]

Thanks, Even! I will have to do it when I am on the other side of the firewall 
tomorrow. I was trying to be economical and bundle two issues together. I can 
get the data from the header of the LAZ file and also from the properties of 
the QGIS Project then.


From: Even Rouault 
Sent: Thursday, February 16, 2023 7:11 PM
To: Mike Stanton ; qgis-user@lists.osgeo.org
Subject: Re: [Qgis-user] Two LAZ file possible issues iwth some new data we 
received to processs



Le 16/02/2023 à 23:41, Mike Stanton via QGIS-User a écrit :
I have LAZ files  for a square mile of the local area where my office is and 
when it is loaded under QGIS I hit two problems. It is a bit over 2000 files 
and I seem to have hit a capacity limit where it stops processing the images at 
about 200 files.  The message being output for the files is “Failed to 
Calculate Statistics of the Point Cloud of .LAZ”.   Breaking it 
into smaller pieces gets the project around the scale limits of the product 
because the doing only the rejected files gets me more files processed, but it 
is not convenient considering I expect to be processing a lot more of these 
files.

The other problem is that QGIS tells me I don’t have a CRS for the images and 
the image has a field that says “No CRS Found” in the log file and what I have 
is data in the header that says “COMPD_CS [“Projected”, PROJCS “UTM 15N”, 
GEOGCS [WGS84 …. “  but the strings have unpaired square brackets round the 
relevant text. Is this what may be causing the error to occur?
Can you paste the exact CRS WKT string ? Though I doubt it is related with the 
200 file limit issue




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Re: [Qgis-user] Two LAZ file possible issues iwth some new data we received to processs

[Even Rouault via QGIS-User]

Le 16/02/2023 à 23:41, Mike Stanton via QGIS-User a écrit :


I have LAZ files  for a square mile of the local area where my office 
is and when it is loaded under QGIS I hit two problems. It is a bit 
over 2000 files and I seem to have hit a capacity limit where it stops 
processing the images at about 200 files.  The message being output 
for the files is “Failed to Calculate Statistics of the Point Cloud of 
.LAZ”.   Breaking it into smaller pieces gets the project 
around the scale limits of the product because the doing only the 
rejected files gets me more files processed, but it is not convenient 
considering I expect to be processing a lot more of these files.


The other problem is that QGIS tells me I don’t have a CRS for the 
images and the image has a field that says “No CRS Found” in the log 
file and what I have is data in the header that says “COMPD_CS 
[“Projected”, PROJCS “UTM 15N”, GEOGCS [WGS84 …. “  but the strings 
have unpaired square brackets round the relevant text. Is this what 
may be causing the error to occur?


Can you paste the exact CRS WKT string ? Though I doubt it is related 
with the 200 file limit issue



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[Qgis-user] Two LAZ file possible issues iwth some new data we received to processs

[Mike Stanton via QGIS-User]

I have LAZ files  for a square mile of the local area where my office is and 
when it is loaded under QGIS I hit two problems. It is a bit over 2000 files 
and I seem to have hit a capacity limit where it stops processing the images at 
about 200 files.  The message being output for the files is "Failed to 
Calculate Statistics of the Point Cloud of .LAZ".   Breaking it 
into smaller pieces gets the project around the scale limits of the product 
because the doing only the rejected files gets me more files processed, but it 
is not convenient considering I expect to be processing a lot more of these 
files.

The other problem is that QGIS tells me I don't have a CRS for the images and 
the image has a field that says "No CRS Found" in the log file and what I have 
is data in the header that says "COMPD_CS ["Projected", PROJCS "UTM 15N", 
GEOGCS [WGS84  "  but the strings have unpaired square brackets round the 
relevant text. Is this what may be causing the error to occur?
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[Qgis-user] Using qgis with a 4k screen and a HD screen.

[Nicolas Cadieux via QGIS-User]

Hi,

Seems like  QGIS adjusts the GUI settings based on my 4K high resolution
screen.  When I move the windows over to the HD 1080 screen, Icon size and
font size needs to be adjusted in the settings but the processing toolbars
and layer Styling toolbars remain chunky.  I notice they seem to take into
consideration the scaling of the main screen even if QGIS starts on the
secondary HD screen.

Is there a GUI setting that could help and that I am missing? Is there any
way I can make these changes on the fly when QGIS is moved from one screen
to the other?

Thanks
Nicolas Cadieux
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Re: [Qgis-user] LIDAR

[Saber Razmjooei via QGIS-User]

Hi,

We are adding Virtual Point Cloud format and will be ready in QGIS later
this year (June 2023):
https://github.com/PDAL/wrench#virtual-point-clouds-vpc

This should address your issue. But meanwhile you can combine all your
files into a single COPC file.

Kind regards
Saber

On Wed, 15 Feb 2023 at 02:56, Nicolas Cadieux via QGIS-User <
qgis-user@lists.osgeo.org> wrote:

> Hi,
>
> On regular raster and vector layers, you can also right click on the layer
> in the layer manager and cut and paste the style.  I figure it must be the
> same with LiDAR.  CloudCompare is also very good for working with LiDAR.  I
> have been working with files with over 250 millions points lately with no
> trouble.  Same thing in QGIS. So far so good!
>
> Nicolas Cadieux
> https://gitlab.com/njacadieux
>
> Le 14 févr. 2023 à 09:05, Kirk Schmidt via QGIS-User <
> qgis-user@lists.osgeo.org> a écrit :
>
> 
>
> Hi Allan:
>
> One way is to combine the files into a super file which may not be an
> option due to size.  The other would be to find the total range of z values
> in your project area and set the min and max symbology for the Z
> attribute.  while using the attributes by ramp option.  You can save the
> style and use it for the remaining point clouds.
>
> Kirk Schmidt
> On 2/13/2023 11:49 PM, Allan Younger via QGIS-User wrote:
>
> Hi everyone,
> I have multiple Lidar downloaded las files, on opening find each has its
> individual range of levels.
> How can I shade uniform levels?
>  200m plus points in several of blocks.
> Chrs
> AY
>
>
>
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Re: [Qgis-user] QGIS under Arch-Linux

[WhereGroup]

Please try installing sip, not sip-65 and then again to build qgis-git, 
does it work?


Cheers, Hannes

Am 16.02.23 um 12:32 schrieb Nikos Alexandris via QGIS-User:
My "trick" works around not finding SIP, but Plugins are not findable 
:-). I have tried Flatpak too. The only option is docker, which is 
time consuming. As everyone, me too, I would prefer a click-and-run 
solution. I think the AUR packages might need some update.


Nikos

---


On 2023-02-16 12:52, Richard Duivenvoorde via QGIS-User wrote:

On 2/16/23 11:38, Ujaval Gandhi via QGIS-User wrote:
You can try installing using conda. The latest LTR and Current 
releases are available on conda-forge


OR is flatpak an option in Arch?
https://qgis.org/en/site/forusers/alldownloads.html#flatpak

Regards,

Richard Duivenvoorde
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Re: [Qgis-user] QGIS under Arch-Linux

[Nikos Alexandris via QGIS-User]

Alright, I just realised I did before and it does not work either cause
I am in Wayland and some PyQT5 stuff are troubling. It works, for me,
now, like : 

- install qgis-ltr via pacman or yay (working with EndeavourOS here) 

- install in a virtual environment Python 3.9 


- run qgis from inside this environment to find this version which is
compatible 


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Re: [Qgis-user] QGIS under Arch-Linux

[Nikos Alexandris via QGIS-User]

My "trick" works around not finding SIP, but Plugins are not findable 
:-). I have tried Flatpak too. The only option is docker, which is time 
consuming. As everyone, me too, I would prefer a click-and-run solution. 
I think the AUR packages might need some update.


Nikos

---


On 2023-02-16 12:52, Richard Duivenvoorde via QGIS-User wrote:

On 2/16/23 11:38, Ujaval Gandhi via QGIS-User wrote:
You can try installing using conda. The latest LTR and Current 
releases are available on conda-forge


OR is flatpak an option in Arch?
https://qgis.org/en/site/forusers/alldownloads.html#flatpak

Regards,

Richard Duivenvoorde
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Re: [Qgis-user] QGIS under Arch-Linux

[Richard Duivenvoorde via QGIS-User]

On 2/16/23 11:38, Ujaval Gandhi via QGIS-User wrote:

You can try installing using conda. The latest LTR and Current releases are 
available on conda-forge


OR is flatpak an option in Arch?
https://qgis.org/en/site/forusers/alldownloads.html#flatpak

Regards,

Richard Duivenvoorde
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Re: [Qgis-user] QGIS under Arch-Linux

[Ujaval Gandhi via QGIS-User]

You can try installing using conda. The latest LTR and Current releases are
available on conda-forge


https://www.linkedin.com/posts/alexandre-neto-geo_qgis-activity-7030576968169336832-cwOm
[https://mailtrack.io/trace/link/06cdc2c4ecba275b945832ac4d3faedd2327d6e5?url=https%3A%2F%2Fwww.linkedin.com%2Fposts%2Falexandre-neto-geo_qgis-activity-7030576968169336832-cwOm=8747767=0470f2d3c2e9a56e]



Instructions at
https://gisunchained.wordpress.com/2019/05/29/using-qgis-from-conda/
[https://mailtrack.io/trace/link/da3735f150e424ab9bddb8b1b57cdf3d515721f8?url=https%3A%2F%2Fgisunchained.wordpress.com%2F2019%2F05%2F29%2Fusing-qgis-from-conda%2F=8747767=5a9cf790c9a9f4af]

---
Ujaval Gandhi
Spatial Thoughts
www.spatialthoughts.com
[https://mailtrack.io/trace/link/f15498490707ce09016a3abb50eacfdc7d1f6e3e?url=http%3A%2F%2Fwww.spatialthoughts.com=8747767=a803620488c5babb]




[data:image/gif;base64,R0lGODlhAQABAIAAAP///wAAACwAAQABAAACAkQBADs=3D]
On Thu, Feb 16, 2023 at 5:15 AM Nikos Alexandris via QGIS-User
 wrote:


> Hello, is anyone currently using QGIS under Arch-Linux (or else any
> Arch-based distribution)?  I have yet to find a way to make the SIP
> module to be installed/imported properly, and this to obviously make the
> Plugins available.  I have tried without success all available versions
> via AUR, namely :
> 
> - qgis-ltr 3.22.16-1
> - qgis-git 3.99_master.r78162.24a71d05862-1
> - qgis 3.28.3-1
> 
> Any help much appreciated. Kind regards, Nikos
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Re: [Qgis-user] QGIS - Questions

[Peter Petrik via QGIS-User]

Hi Jonathan,

You can also use merginmaps.com to store and share your project with your
colleagues.

Kind Regards,
Peter Petrík
CPO of Mergin Maps
LI , Mergin Maps






On Thu, Feb 16, 2023 at 10:40 AM Ian Turton via QGIS-User <
qgis-user@lists.osgeo.org> wrote:

>
>
> On Thu, 16 Feb 2023 at 09:08, Jonathan Rabenasolo via QGIS-User <
> qgis-user@lists.osgeo.org> wrote:
>
>> I mean to assign file permissions to the actual file in my desktop. For
>> example, I want other people to be able to see the data in a QGIS file
>> WHITOUT the permissions of editing it. So me and other admins will be able
>> to edit the file, for example to add a location for a job.
>>
>> It's like to allow editing just for some specific users,  because we all
>> use the same QGIS file and I want people to only be able to view all the
>> job locations and informations but not editing it.
>>
>>
>>
> It sounds like you need a locked data source with permissions for some
> people to edit the data, there are many ways to do that PostGIS db, WFS
> come to mind. Then everyone can have their own project but see the same
> data.
>
> Ian
>
>
>> Thank you,
>> Jonathan Rafetison
>>
>>
>> -Message d'origine-
>> De : QGIS-User  De la part de Jürgen
>> E. Fischer via QGIS-User
>> Envoyé : February 15, 2023 4:26 PM
>> À : qgis-user@lists.osgeo.org
>> Objet : Re: [Qgis-user] QGIS - Questions
>>
>> Hi Jonathan,
>>
>> On Wed, 15. Feb 2023 at 19:48:20 +, Jonathan Rabenasolo via QGIS-User
>> wrote:
>> > I'm working on some projects with a large group of people, and I'm
>> > wondering if It's possible to assign some admins to a QGIS file. To be
>> > more precise, I want to allow editing ONLY for admins, and other
>> > people can ONLY view the project.
>>
>> Doesn't assigning corresponding file permissions do the job?
>>
>>
>> Jürgen
>>
>> PS: please don't cross post user question to -developer and -psc.
>>
>> --
>> Jürgen E. Fischer   norBIT GmbH Tel.
>> +49-4931-918175-31
>> Dipl.-Inf. (FH) Rheinstraße 13  Fax.
>> +49-4931-918175-50
>> Software Engineer   D-26506 Norden
>> https://www.norbit.de
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>> Libera|OFTC
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>
>
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Re: [Qgis-user] QGIS - Questions

[Ian Turton via QGIS-User]

On Thu, 16 Feb 2023 at 09:08, Jonathan Rabenasolo via QGIS-User <
qgis-user@lists.osgeo.org> wrote:

> I mean to assign file permissions to the actual file in my desktop. For
> example, I want other people to be able to see the data in a QGIS file
> WHITOUT the permissions of editing it. So me and other admins will be able
> to edit the file, for example to add a location for a job.
>
> It's like to allow editing just for some specific users,  because we all
> use the same QGIS file and I want people to only be able to view all the
> job locations and informations but not editing it.
>
>
>
It sounds like you need a locked data source with permissions for some
people to edit the data, there are many ways to do that PostGIS db, WFS
come to mind. Then everyone can have their own project but see the same
data.

Ian


> Thank you,
> Jonathan Rafetison
>
>
> -Message d'origine-
> De : QGIS-User  De la part de Jürgen
> E. Fischer via QGIS-User
> Envoyé : February 15, 2023 4:26 PM
> À : qgis-user@lists.osgeo.org
> Objet : Re: [Qgis-user] QGIS - Questions
>
> Hi Jonathan,
>
> On Wed, 15. Feb 2023 at 19:48:20 +, Jonathan Rabenasolo via QGIS-User
> wrote:
> > I'm working on some projects with a large group of people, and I'm
> > wondering if It's possible to assign some admins to a QGIS file. To be
> > more precise, I want to allow editing ONLY for admins, and other
> > people can ONLY view the project.
>
> Doesn't assigning corresponding file permissions do the job?
>
>
> Jürgen
>
> PS: please don't cross post user question to -developer and -psc.
>
> --
> Jürgen E. Fischer   norBIT GmbH Tel. +49-4931-918175-31
> Dipl.-Inf. (FH) Rheinstraße 13  Fax. +49-4931-918175-50
> Software Engineer   D-26506 Norden
> https://www.norbit.de
> QGIS release manager (PSC)  Germany IRC: jef on Libera|OFTC
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Re: [Qgis-user] QGIS - Questions

[Jonathan Rabenasolo via QGIS-User]

I mean to assign file permissions to the actual file in my desktop. For 
example, I want other people to be able to see the data in a QGIS file WHITOUT 
the permissions of editing it. So me and other admins will be able to edit the 
file, for example to add a location for a job.

It's like to allow editing just for some specific users,  because we all use 
the same QGIS file and I want people to only be able to view all the job 
locations and informations but not editing it.


Thank you,
Jonathan Rafetison


-Message d'origine-
De : QGIS-User  De la part de Jürgen E. 
Fischer via QGIS-User
Envoyé : February 15, 2023 4:26 PM
À : qgis-user@lists.osgeo.org
Objet : Re: [Qgis-user] QGIS - Questions

Hi Jonathan,

On Wed, 15. Feb 2023 at 19:48:20 +, Jonathan Rabenasolo via QGIS-User wrote:
> I'm working on some projects with a large group of people, and I'm 
> wondering if It's possible to assign some admins to a QGIS file. To be 
> more precise, I want to allow editing ONLY for admins, and other 
> people can ONLY view the project.

Doesn't assigning corresponding file permissions do the job?


Jürgen

PS: please don't cross post user question to -developer and -psc.

-- 
Jürgen E. Fischer   norBIT GmbH Tel. +49-4931-918175-31
Dipl.-Inf. (FH) Rheinstraße 13  Fax. +49-4931-918175-50
Software Engineer   D-26506 Nordenhttps://www.norbit.de
QGIS release manager (PSC)  Germany IRC: jef on Libera|OFTC
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