Re: [Qgis-user] Cannot erase a polygon

[DelazJ via QGIS-User]

Hi,
As Gordon pointed out earlier, this looks to me like an annotation display. 
Please read 
https://docs.qgis.org/3.34/en/docs/user_manual/map_views/map_view.html#interacting-with-features
 for deletion.

Regards,
Harrissou

Le 7 mars 2024 03:48:27 GMT+01:00, Adam Nielsen via QGIS-User 
 a écrit :
>> Thanks for replying. Yes I can zoom in and out of the polygon. I also
>> closed the Project several times and nothing happens.
>> 
>> If it is a QGIS bug, it means I better redo the Project? Or is ther a
>> alternative solution?
>
>I'm sure there's a way around the problem.  It seems quite unusual.
>
>How did you add the polygon initially?  That might shed some light on
>why it's there and how to remove it.
>
>You don't have any print layouts or anything active?
>
>If you don't have any luck, and the project is not confidential, it
>could be useful to share it so we can try it for ourselves.  You can
>save a copy of the project for this, and then delete all the layers
>from the copy so the only thing in the project is the polygon.  You may
>even find as you do this the polygon disappears when you delete a
>certain layer which might give some hints about where it's coming from.
>
>Cheers,
>Adam.
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Re: [Qgis-user] Convert .shp to CAD, with attribute values as different layers

[DelazJ via QGIS-User]

Hi Chaz,
There was a bug that hid that in the past (fixed in next release) but if you 
scroll the dxf dialog to the right, you'll get an "output layer attribute" 
column that helps you select whether a layer should remain a layer in the dxf 
or split across one of its fields.
https://docs.qgis.org/3.28/en/docs/user_manual/managing_data_source/create_layers.html/create-dxf-files

Regards,
Harrissou

Le 13 février 2024 11:21:13 GMT+01:00, Christine via QGIS-User 
 a écrit :
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Re: [Qgis-user] Batch Processing Tool for Wedge Buffers

[DelazJ via QGIS-User]

Hi
Krishna Ayyala, are you sure the batch processing is what you need? You mention 
you have a single file. In your original message "creating wedge buffers 
automatically", Andrea suggested to use the algorithm in the "default" mode, 
setting the fields as arguments through the data-defined button next to each. 
No feedback yet. Have you tried his suggestions?

Regards,
Harrissou

Le 11 février 2024 17:12:57 GMT+01:00, Ujaval Gandhi via QGIS-User 
 a écrit :
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Re: [Qgis-user] Missing Raster Calculator in QGIS 3.34

[DelazJ via QGIS-User]

Hi,

https://github.com/qgis/QGIS-Enhancement-Proposals/issues/271#issue-1694300882

> the entry in Raster menu will open the Processing algorithm instead

Looks like the Raster menu still points to the old C++ Raster calculator.
I thought the Processing algorithm would replace the old C++ tool but now, 
instead of 3 raster calculators (gdal, c++ and Processing python) that already 
confused some users, the refactoring leads to 4 raster calculators where the 
new Processing ones _almost_ cover what the old C++ one actually does. Should 
we not remove that one?

Regards,
Harrissou

Le 19 décembre 2023 12:54:05 GMT+01:00, Andrea Giudiceandrea via QGIS-User 
 a écrit :
>> Luigi Pirelli luipir at gmail.com
>> Mon Dec 18 15:39:19 PST 2023
>
>> intentionally I would say:
>
>At 
>https://github.com/qgis/QGIS-Enhancement-Proposals/issues/271#issuecomment-1775492835
> it is stated that:
>
>before...>>
>
>Anyway, it looks like the toolbox processing algorithm's GUI doesn't work 
>_exactly_ the same way as before, since the reported missing possibility to 
>save and load custom expression and also the missing functionalities reported 
>at [1] and [2].
>
>Best regards.
>
>Andrea
>
>[1] https://github.com/qgis/QGIS/issues/55386
>[2] https://github.com/qgis/QGIS/issues/55387
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Re: [Qgis-user] WG: Rendering log messages

[DelazJ via QGIS-User]

Hi Simon,

The option has indeed been removed from the Rendering tab and kept only
under the "Advanced" tab of the Options dialog[0], as logCanvasRefreshEvent.

[0] https://github.com/qgis/QGIS/pull/49437#issuecomment-1191258834

Regards,
Harrissou

Le lun. 28 août 2023 à 11:39, Simon Gröchenig via QGIS-User <
qgis-user@lists.osgeo.org> a écrit :

> Hi,
>
>
>
> I am still looking for the option to enable/disable rendering
> logging/debugging (see below). Can please someone give me a hint? Or maybe
> a python script?
>
>
>
> The old setting is visible here (Debugging section):
>
>
>
>
> https://docs.qgis.org/3.16/en/docs/user_manual/introduction/qgis_configuration.html#rendering-settings
>
>
>
> It seems that is disappeared when vector and raster sub-categories have
> been introduced to the rendering settings.
>
>
>
> Thanks
>
> Simon
>
>
>
>
>
> *Von:* Simon Gröchenig
> *Gesendet:* Freitag, 21. Juli 2023 13:50
> *An:* qgis-user@lists.osgeo.org
> *Betreff:* Rendering log messages
>
>
>
> Hi,
>
>
>
> how can I activate/deactivate the rendering log messages (that shows the
> drawing duration for each layer).
>
>
>
> I have an old profile where it is activated and a new one where it is
> deactivated. I cannot find the setting any more (rendering options?). Is
> the setting hidden or moved to advanced options?
>
>
>
> Simon
>
>
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Re: [Qgis-user] Running QGis on a machine with Python 3.11 and PyCharm ?

[DelazJ via QGIS-User]

Hi,

Le lun. 12 juin 2023 à 10:58, Johannes Kröger (WhereGroup) via QGIS-User <
qgis-user@lists.osgeo.org> a écrit :

> Hi,
>
[snip]

> The internet is full of ancient, random and poorly compiled batch scripts
> which really shouldn't be used anymore.
>
Great point! This is where IMHO QGIS official documentation should have a
say and play an authoritative role, with up to date, clear and meaningful
instructions.
This topic of configuring QGIS with python environment is to some extent
"discussed" at [0] and [1]. Do these pages meet the conditions to play that
authoritative role? I'm not that sure, given how recurring the topic
arises, but TBH I'm not versed enough in Python to be fully credible.

[0]
https://docs.qgis.org/3.28/en/docs/pyqgis_developer_cookbook/plugins/ide_debugging.html#debugging-with-pycharm-on-ubuntu-with-a-compiled-qgis
[1]
https://docs.qgis.org/3.28/en/docs/pyqgis_developer_cookbook/intro.html#python-applications

Regards,
Harrissou

> Cheers, Hannes
> Am 09.06.23 um 18:11 schrieb Toussaint OTTAVI via QGIS-User:
>
> Hi,
>
> I'm new to QGis. I'm trying to install latest version (3.28.7 LTR) on my
> machine. It does not run. The startup window shows during a few seconds,
> then, nothing.
>
> I tried several older versions. None of them wants to start. The exception
> is 3.14, which starts, and works perfectly.
>
> On my machine, I already have a Python 3 installed (currently, 3.11.1), on
> absolute path C:\Python, PYTHONPATH system variable pointing to it, and
> system path, too. I also have PyCharm installed. I think this may be the
> cause of my problem. I noticed the included interpreter (C:\Program
> Files\QGIS 3.28.7\bin\python.exe) does not start at all, with Python error :
>File "C:\Python\Lib\io.py", line 54, in 
>ImportError: cannot import name 'text_encoding' from 'io' (unknown
> location)
>
> If I understand well, I'll have to write a customized startup script, with
> correct path (not pointing to my c:\python\lib) so that QGis can start
> using the included Python interpreter (and not my system-wide one). But I
> didn't find how to achieve that.
>
> Later, I think I'll have to write some QGis Python code. Then, I'll need
> to run it in "developer" mode : being able to put the source code in a git
> repository, edit the code in PyCharm, and run it. Any clues are welcome.
>
> Thank you in advance. Kind regards
>
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> -
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Re: [Qgis-user] DXF Export symbolLayer

[DelazJ via QGIS-User]

Hi,
Sorry if it has been said (I did not read every thing) but if I'm not wrong
there is an option to use field values and get split layers in output dxf
file. This is under the "Output layer attribute" column [0]. Unfortunately,
there is a bug (for many versions now) [1] that hides by default that
column in the dialog.

[0]
https://docs.qgis.org/3.28/en/docs/user_manual/managing_data_source/create_layers.html#creating-new-dxf-files
[1] https://github.com/qgis/QGIS/issues/49958

Harrissou

Le lun. 12 juin 2023 à 13:31, Richard McDonnell via QGIS-User <
qgis-user@lists.osgeo.org> a écrit :

> Hi Simon,
>
> Apologies, I didn’t quite understand what you were trying to do. So let’s
> start from the beginning again.
>
> Thank you for sending on a sample, it helps greatly to understand what you
> are trying to do. Im still not 100% on what you are trying to achieve, so I
> have included two separate examples based on your data.
>
>
>
> In this first example, I will assume you are just trying to output the
> Layer as a DXF with symbols and styling as you have them shown on the
> canvas, this can simply be done by…
>
>
>
> 1.   Selecting *Project* from the Menubar then *Import*/*Export* – *Export
> Project to DXF*
>
> 2.   In the next window set the* Save As* field set the Location you
> want your DXF along with giving it a name.
>
> 3.   *Symbology Scale* This will depend on what scales the DXF is
> being printed out at, I have set 250 for the example
>
> 4.   *CRS*, I have kept it the same as your Project
>
> 5.   *Layer *This is the Layers you want to export, in this case
> *sqq_subset*
>
> 6.   If you are only exporting *only* what’s in Canvas view tick*
> Export features intersecting the current map extent,* otherwise untick
> this to export whole Layer
>
> 7.   The only other thing I would tick in *Export Labels as MTEXT* if
> you have labels you want in your outputs.
>
> 8.   Click *OK*
>
>
>
>
>
> Now if you want a DXF with two layers, *Grenzpunkt* and *Others*? You
> will need to split your single Layer into multiple layers. For the purposes
> of this I will assume were going for the two you have styled.
>
>
>
> I don’t know why I can’t add actual columns, only virtual only seems to be
> allowed
>
>
>
> Ok, so first thing to remember is DXF is not a smart dataset, so we need
> to dumb down your data a little.
>
> To do this, we need to split the dataset into two layers, one for
> Grenzpunkt and one for Others
>
> So firstly we need to categorise all data into the Layers we want
> (Grenzpunkt and Others), to do this we do something similar to what we done
> before. We create a column let’s call it “*sgg_subset*” and into this we
> can use the following formula
>
>
>
> *CASE WHEN  "TYP" = 20  THEN 'Grenzpunkt'*
>
> *ELSE 'Others'*
>
> *END*
>
>
>
> Next we use the *Split vector layer *tool to create however many layers
> we want, in our case two. We use our layers attribute as the *Unique ID
> field*, making sure the  *Add prefix to filenames* is ticked (what we
> called our column) or unticked, as you require. You can now specify the 
> *Output
> file type* and the *Output directory*. You can now click *Run*
>
>
>
> Once this is completed, load you’re newly created Layers into the Project
> and style as required.
>
> Now we can export to DXF using the tool in the first example. The
> difference being we want the *ONLY* newly created individual layers
> ticked in the *Layer* box
>
>
>
> If you want to improve how the styling, symbology is output, you will need
> to work on the QGIS Style, modifying it to get the desired output in DXF.
>
>
>
> Any of the steps above can be modified to suit the outputs you want.
>
> I have attached a zip file with the updated project and the output DXF
> examples, I hope it helps.
>
> Regards,
>
>
>
> Richard
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
> ——
> Richard McDonnell MSc GIS, FME Certified Professional
> *FRM Data Management*
>
> ——
> Oifig na nOibreacha Poiblí
> Office of Public Works
>
> Sráid Jonathan Swift, Baile Átha Troim, Co na Mí, C15 NX36
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>
> ——
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>
> ——
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>
> ——
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> Office of Public Works
>
> Sráid Jonathan Swift, Baile Átha Troim, Co na Mí, C15 NX36
> Jonathan Swift Street, Trim, Co Meath, C15 NX36
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> https://https://gov.ie/opw 
>
> ——
> Email Disclaimer:
> https://www.gov.ie/en/organisation-information/439daf-email-disclaimer/
> 
>
> *From:* Simon Gröchenig 
> *Sent:* 12 June 2023 08:08
> *To:* Richard McDonnell 
> *Cc:* qgis-user@lists.osgeo.org

[Qgis-user] Expression to sort by multiple fields

[DelazJ via Qgis-user]

Hi QGISers,

I struggled and failed to find a way to use QGIS expressions functions in
order to select features based on sorting on different fields. I played
with aggregates, arrays, maps but couldn't find how to control sort order
(and imbricate it). I finally generated virtual layers to do the work but
would really love to select and not extract.
The need in SQL is something like:

select somefields, afield, st_length(geometry) as longueur, geometry
from mylayer
where longueur < 10*order by afield desc, longueur asc*
limit 5

Any help would be more than welcome.
Thanks in advance

Kind regards,
Harrissou
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Re: [Qgis-user] Mean distance between points

[DelazJ via Qgis-user]

Hi,
The distance matrix already has a summary option
https://docs.qgis.org/3.22/en/docs/user_manual/processing_algs/qgis/vectoranalysis.html#distance-matrix

Regards,
Harrissou

Le jeu. 21 avr. 2022 à 17:23, Nicolas Cadieux via Qgis-user <
qgis-user@lists.osgeo.org> a écrit :

> Hi,
>
> Perhaps « Distance Matrix » followed by « basic statistics for field »
> would help.
>
> Nicolas Cadieux
> https://gitlab.com/njacadieux
>
> Le 21 avr. 2022 à 10:55, Chavoux Luyt via Qgis-user <
> qgis-user@lists.osgeo.org> a écrit :
>
> 
> Hi everyone,
>
> I am pretty sure that this is something that is used regularly, but I
> could not figure out how to do it. Basically we have a bunch of camera
> points (vector point data layer) and want to calculate the mean distance
> between the points (as well as the minimum and maximum distance between
> neighbouring points). Is there a specific tool or plugin that can do this
> automatically? Obviously I could use the measure line tool and do it
> manually as a last resort, but I would prefer not.
>
> Cheers,
> Chavoux
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Re: [Qgis-user] [QGIS-Developer] Questions of a newbie starting with QGIS Server

[DelazJ via Qgis-user]

Hi Richard,

Le mer. 20 avr. 2022 à 20:23, Richard Duivenvoorde  a
écrit :

> Hi Harrissou,
>
> I think your pretty close :-)
>
> Some remarks from the times I installed on Windows:
> - I used a vanilla apache installer from https://www.apachelounge.com/
> - indeed used the httpd.conf from osgeo4w to set all paths and env vars,
> VERY convenient
> - are you sure the Qt vs qt is an issue? Thought Windows paths were not
> case sensitive?
>
> Probably not an issue, indeed. I must admit I didn't test, I "fixed" rigth
away. I also had mitigated my "issue" comment in an updated version of the
mail but I think I lost the changes while switching between firefox(gmail),
thunderbird, k9-mail, on various machines.


> The GDAL_DATA path you will need when you use for example the ECW or other
> drivers
> QGIS_AUTH_DB_DIR_PATH is maybe only needed when you have a project which
> uses authentication profiles? Others?
>
> So it could make sense to have them added to the default httpd_qgis.conf
file...?


> When you have a WMS/WFS server running normally you do not have a web app
> yet.
> You either use the WMS of WFS as datasource in QGIS (or other clients)
> or you use OpenLayer/Leaflet to create an app in a browser using
> javascript.
>
> Ah OK... new world to discover but not enough time... I think I will first
try the other suggested options (oapif, catalog, server development) and
let you know.

Greetings,
Thanks.
Harrissou

Alessandro also created a landing page for WFS3/OGC API:
> https://docs.qgis.org/3.22/en/docs/server_manual/services/ogcapif.html
> but I found that sometimes tricky to setup...
>
> Maybe others can share more info/experience
>
> Regards,
>
> Richard Duivenvoorde
>
>
>
>
> On 4/20/22 18:58, Harrissou s. via QGIS-Developer wrote:
> > Hi QGISers (sorry for cross-posting)
> >
> > I'm trying to setup a QGIS Server... on Windows and I'd like to share
> some
> > suggestions/issues I faced in the process and ultimately ask for help on
> a
> > bigger issue.
> > I'm following the QGIS documentation instructions [0] and took the
> > opportunity to update the docs[1][2], given that osgeo4w provides means
> to
> > install apache. Review welcome, thanks.
> >
> > In the docs, it is suggested to add at the end of the httpd.conf file a
> > set of variables. But I notice that *most* of them are already set in the
> > httpd_qgis.conf file that is #included at the end of the httpd.conf
> file. I
> > hence ignored the addition but, Questions:
> > - are the GDAL_DATA and QGIS_AUTH_DB_DIR_PATH necessary for any purpose?
> > - If so, for what? And is it possible (does it make sense) to add them
> to the
> > httpd_qgis.conf file also?
> >
> > - Issue report: I think there is a typo in the httpd_qgis.conf file
> > setting PATH and QT_PLUGIN_PATH. It mentions apps/qt5/ while it should be
> > apps/Qt5/ (uppercase Q).
> >
> > In my process, I didn't set the gdal or db paths above, I fixed the
> > uppercase typo and when I tested I could get a reply for GetCapabilities
> as in
> > the docs. Using the QGIS training project, I could do a GetMap which
> successfully returned my map canvas image. Good! My server is OP!
> > Well, this is where I got lost. I thought the request would output in the
> > browser some image i could zoom in, pan, maybe identify... But NO, I got
> a
> > plain, static image. What am I supposed to do next? How can I make my
> > project queryable, zoomable, pannable, anythingable... in a web browser?
> > I might have overlooked, but the docs does not seem t provide any
> information for
> > newbies like me, for the next step. Where should I look now? Your help to
> > get out of this trouble would be much appreciated. Thanks.
> >
> > Regards,
> > Harrissou
> >
> > [0]
> >
> https://docs.qgis.org/3.22/en/docs/server_manual/getting_started.html#installation-on-windows
> <
> https://docs.qgis.org/3.22/en/docs/server_manual/getting_started.html#installation-on-windows
> >
> > [1] reading:
> >
> https://github.com/DelazJ/QGIS-Documentation/blob/installQGISServerWindows/docs/server_manual/getting_started.rst
> <
> https://github.com/DelazJ/QGIS-Documentation/blob/installQGISServerWindows/docs/server_manual/getting_started.rst
> >
> > [2] pull-request: https://github.com/qgis/QGIS-Documentation/pull/7508 <
> https://github.com/qgis/QGIS-Documentation/pull/7508>
> >
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Re: [Qgis-user] Mac OS QGIS installer 3.16

[DelazJ via Qgis-user]

Hi,
The correct link for the all-in-one installer is
https://download.qgis.org/downloads/macos/ltr/ (lowercase OS)

Regards,
Harrissou

Le jeu. 21 avr. 2022 à 11:44, Sebastian Gutwein via Qgis-user <
qgis-user@lists.osgeo.org> a écrit :

> Hello,
> I have a student that is trying to install QGIS on her Mac OS. Neither the
> latest or the long term version are working for some reason. In the fall
> she had 3.16 installed and wanted to try to install it again in case there
> was an issue with the latest version. However we can't seem to find 3.16 in
> the official repository. I would assume because it was after the switch
> from the KyngChaos builds they would be in the QGIS repository here:
> https://download.qgis.org/downloads/macOS/ but I only see up to 3.8.
> Should I then point her to the KyngChaos version?
> Thanks
> -Bas
>
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Re: [Qgis-user] Snap existing geometry to other layer

[DelazJ via Qgis-user]

Hi,
Don't always trust G*
There's an algorithm in Processing toolbox that may be of help in recent
releases
https://docs.qgis.org/3.22/en/docs/user_manual/processing_algs/qgis/vectorgeometry.html#qgissnapgeometries

Regards,
Harrissou

Le ven. 8 avr. 2022 à 12:34, Uwe Fischer via Qgis-user <
qgis-user@lists.osgeo.org> a écrit :

> Hello,
>
>
>
> I need to snap individual features to another layer. It’s not new features
> but existing ones. And, the process should not create a new shapefile but
> it should modify existing features that were selected beforehand for
> snapping.
>
>
>
> Google told me that there is a Plugin called „Geometry Snapper“ but I
> could not find in for QGIS 3.22 LRT.
>
>
>
> Any ideas? Thank you so much!
>
>
>
> Regards, Uwe
>
>
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Re: [Qgis-user] Extending an existing line with the vertex tool - combination with tracing possible?

[DelazJ via Qgis-user]

Le ven. 4 mars 2022 à 05:13, Nicolas Cadieux via Qgis-user <
qgis-user@lists.osgeo.org> a écrit :

> Hi,
>
> To my knowledge, when using the vertex tool, you click on the last node
> and then, you can extend it once.  I think you need to reclick the last
> node again if you want to add a new point.
>

No, You don't need to reselect: Given an existing line, take the vertex
tool, move close to an end point, click on the '+' and you can extend it
with as many segments as you wish (
https://docs.qgis.org/3.22/en/docs/user_manual/working_with_vector/editing_geometry_attributes.html#basic-operations
- adding vertices).
The issue here, and I confirm Andreas' first message, is that the vertex
tool ignores the tracing option, you need t click every new vertices.
Another issue I saw is that I spent a lot of time to find the tracing
button: it's available on the snapping toolbar, but not on the snapping
Options widget which opens (and I didn't enable the toolbar). I still have
issues to understand why we need two interfaces for these options, with
tools that are in one place and not in the other.

Regards,
Harrissou


>  I don’t do much vectorizing lately and in the past, used AutoCAD to do
> it. There must be some other way of doing it. Maybe there is a shortcut or
> something like the shift key we need to use.  I would check the user manual
> to see if there is an option under the vertex tool.  I see that lots of new
> tools have been added lately making QGIS a good contender for tracing.  I
> guess you could just create a new line and then merge both together.
>
> Just my grain of salt…
>
> Nicolas Cadieux
> https://gitlab.com/njacadieux
>
> Le 1 mars 2022 à 05:24, Andreas Neumann  a écrit :
>
> 
>
> Hi,
>
> When I am extending an existing line with the vertex tool (by enabling the
> vertex tool and clicking on the small "plus" symbol), can I then still
> activate the "tracing" functionality to follow along other features?
>
> If yes, I haven't found out how - any hints would be appreciated a lot!
>
> Thanks,
>
> Andreas
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Re: [Qgis-user] Update Null Geometry

[DelazJ]

Hi Hugh,

Use the "Add part" tool:
https://docs.qgis.org/3.16/en/docs/user_manual/working_with_vector/editing_geometry_attributes.html#add-part

Regards,
Harrissou

Le jeu. 20 janv. 2022 à 17:02, Hugh Kelley  a écrit :

> Hi all,
> I have a points dataset with a few null geometries in it.
>
> Is there a tool that can update these in place?
>
> It seems that the point editing tool must add a new row instead of
> updating an existing row.
>
> The vertex editing tool seems unable to update a null geom since there's
> nothing to initially click on.
>
> Maybe I'm missing a tool or way of using the vertex editing tool?
>
> A less preferred workflow would be to create a separate file and manually
> add the points with the primary key as an attribute to later update on in
> postgres but it would be much cleaner to edit the table in place I think
> and I am curious if there is a solution since I'm not thinking anything up
> myself.
>
> Thanks for any suggestions.
> --
> Hugh Kelley
>
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Re: [Qgis-user] QGIS 3.22 breaks CRS Transform Files?

[DelazJ]

Hi,

Le jeu. 20 janv. 2022 à 10:15, John Layt  a
écrit :

> On Wed, 19 Jan 2022 at 21:25, Andrea Giudiceandrea 
> wrote:
>
>> John Layt
>> 
>>  Wed, 19 Jan 2022 11:25:06 -0800
>> 
>>
>>
>> 1) When opening projects with the OSTN15 transform in them, we get a
>> warning dialog that the grid file OSTN15_NTv2_OSGBtoETRS.gsb can't be found
>> and must be manually installed. The dialog tries to be helpful by including
>> a download link, but it's to the uk_os_OSTN15_NTv2_OSGBtoETRS.tif file
>> instead, so you need to manually source the gsb file.
>>
>>
>> Hi John,
>> please see these two related bug reports not yet fixed:
>> https://github.com/qgis/QGIS/issues/45470 and
>> https://github.com/qgis/QGIS/issues/44061
>>
>> Regards.
>>
>> Andrea Giudiceandrea
>>
>
> Many thanks Andrea, not sure how I missed those! Fingers crossed it gets
> fixed soon, especially with LTR next month, it's blocking our roll-out.
>
> Don't get your fingers crossed! Particularly if it IS blocking you. Don't
forget that you have the power of change:
http://nyalldawson.net/2016/08/how-to-effectively-get-things-changed-in-qgis/

Kind regards,
Harrissou

Cheers!
>
> John.
>
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Re: [Qgis-user] Raster layer opacity expression - how does it work?

[DelazJ]

Hi,
And here's the feature in the changelog (
https://qgis.org/en/site/forusers/visualchangelog322/index.html#feature-data-defined-raster-layer-opacity);
afaict, it affects the whole layer and not pixel by pixel.

On a kind-of "off topic" request, I'd also be interested to see examples of
expressions playing with raster functions.

Regards,
Harrissou

Le lun. 6 déc. 2021 à 13:32, Johannes Kröger (WhereGroup) <
johannes.kroe...@wheregroup.com> a écrit :

> Anything that you can do with expressions, in this case to get a number
> between 0 and 100, but it will always affect the whole layer globally.
> You can not set a different opacity for different regions. For this,
> approaches like Ujaval's suggestion are probably the best way.
>
> Cheers
> Hannes
>
> > I'd still really like to know what can be done using an expression for
> > the Global Opacity of a raster layer.
>
> --
> Johannes Kröger / GIS-Entwickler/-Berater
> WhereGroup GmbH
> Eifelstraße 7
> 53119 Bonn
> Germany
>
> Tel: +49 (0)228 / 90 90 38 - 36
> Fax: +49 (0)228 / 90 90 38 - 11
>
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> www.wheregroup.com
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> 
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Re: [Qgis-user] QGIS: Export Metadata from postgis tables to shp?

[DelazJ]

Hi Laurent,

Starting from 3.20, you may want to test
https://qgis.org/en/site/forusers/visualchangelog320/index.html#feature-persist-layer-metadata-in-vector-file-exports
if I understand your need.

Regards,
Harrissou

Le mer. 1 déc. 2021 à 16:16, celati Laurent  a
écrit :

> Good afternoon,
>
> With qgis, the description of a data seems to be available for filling and
> consultation via the 'information' and 'metadata' tabs in "LAYER
> PROPERTIES". There seem to be bridges between postgis and qgis. For
> example, when I fill the "Comment" field of a table with pgadmin, the
> content of the description is visible with qgis in the "Information" menu
> in the Comment line and in the Abstract line. The description is also
> visible in the "Metadata" menu in the Summary section / Identification tab.
>
> For some postgis tables, I have also described the data thanks to the
> usefull Pgmetadata plugin.
>
> My need would be to be able to export these different data descriptions
> during exports from these postgis tables toward files in shp format for
> example. That these descriptions be kept during the export. Is it possible?
> If yes, which tools / resources would exist?
>
> Thanks a lot.
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Re: [Qgis-user] QGIS project templates and PostGIS connections

[DelazJ]

Hi,

Le mar. 23 nov. 2021 à 09:13, Pekka Sarkola  a écrit :

> Hi Frank and lists members,
>
> We use to identify different PostgreSQL clusters/databases with
> PGServicefile: this gives flexibility to change PostgreSQL cluster and/or
> databases without annoying users. Authentication of the users is done via a
> personal authentication database.
>
> Old, but still valid QGIS and PostgreSQL service connection file
> documentation is here:
> https://docs.qgis.org/2.14/en/docs/user_manual/working_with_vector/supported_data.html#service-connection-file
>
> Up to date link available at
https://docs.qgis.org/3.16/en/docs/user_manual/managing_data_source/opening_data.html#postgresql-service-connection-file

Regards,
Harrissou

Rgs,
>
> Pekka
>
> Pekka Sarkola
> Gispo Oy
> pekka.sark...@gispo.fi   - GSM +358 40 725 2042
> www.gispo.fi – www.paikkatieto.com
>
>
> ma 22. marrask. 2021 klo 21.42 Frank Broniewski (ha...@frankbroniewski.com)
> kirjoitti:
>
>> Hi fellow QGIS user!
>>
>> I am scratching my head on the following problem. I want to create a
>> QGIS project template which has PostGIS layers in it. I want to be able
>> to pass this template to other users who might use them for different
>> tasks.
>>
>> The problem now is the connection string to the PostGIS database. When
>> using the authentication manager each PostGIS connection gets its own ID
>> which in turn is then referenced in the connection string to the layer.
>> But now this ID to the PostGIS connection is different for each user, so
>> the stored connection string in the template is not valid anymore. And
>> each user has his own credentials for logging into PostGIS as well.
>>
>> I see that I can give a custom ID to a connection in the authentication
>> manager, but it is locked by default, so I am hesitant to unlock it. But
>> is this a viable option? Create the PostGIS connection under the same ID
>> for each user?
>>
>> There's also the PostgreSQL connection service file [1] which might be
>> an option? Does anyone have some experience to share, especially when
>> talking Windows PC?
>>
>> How do you manage PostGIS connections for "simple" users on a somewhat
>> larger scale? I am talking about 20 users, just enough to be annoying
>> enough for manual deployment ...
>>
>> Many thanks for any tips,
>>
>> Frank
>>
>>
>> [1] https://www.postgresql.org/docs/12/libpq-pgservice.html
>>
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Re: [Qgis-user] Missing menu items in 3.22

[DelazJ]

Hi,
If you can still get access to the Plugins menu, then enable the Processing
plugin there. And it should be done. All the missing matters are provided
through the Core Processing plugin.

Regards,
Harrissou

Le jeu. 28 oct. 2021 à 19:10, Richard Greenwood 
a écrit :

> I'm on QGIS 3.22 from the qgis.org/ubuntu repo running on Linux Mint
> 20.2. I didn't take any special action to get on 3.22, I just clicked
> "Install Updates" in the update manager. My Vector menu does not have any
> items in it and I no longer have a Processing menu nor do I see an option
> to show the Processing panel. And my Raster menu only has three items in
> it. Is there a menu reorganization that I'm not seeing? Or did I
> inadvertently upgrade too soon?
>
> --
> Richard W. Greenwood
> www.greenwoodmap.com
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Re: [Qgis-user] Dynamic SVGs

[DelazJ]

Hi,
Maybe some starting point at
https://docs.qgis.org/testing/en/docs/user_manual/style_library/symbol_selector.html#parametrizable-svg
?

Regards,
Harrissou

Le jeu. 28 oct. 2021 à 11:18, Stefan Giese (WhereGroup) <
stefan.gi...@wheregroup.com> a écrit :

> Hi all,
>
> does anybody can give me are starting point how to place the parameters
> inside the SVG xml  that they are usable with dynamic SVG Feature coming
> up with QGIS 3.18
> (
> https://qgis.org/en/site/forusers/visualchangelog318/#feature-gui-for-dynamic-svgs)?
>
> An examlple svg would be greatfully appreciated .
>
> thanks in advance
>
> Stefan
>
> --
> Mit freundlichen Grüßen
> Stefan Giese
> Projektleiter/Consultant
>
> -
> Schon gewusst?
> In unserem Blog geben wir Tipps & Tricks zu
> Open-Source-GIS-Software und berichten aus unserem Experten-Alltag:
> https://wheregroup.com/blog/
> -
>
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>
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>
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Re: [Qgis-user] When running a Custom Function, the return value is different from when stepping through it and watching the 'Preview' value in Field Calculator

[DelazJ]

Hi Zoltan,

You are playing with geometry so you need usesgeometry=True in your
function decorator.
See
https://docs.qgis.org/3.16/en/docs/user_manual/working_with_vector/expression.html#function-editor
or the help section in the Function Editor tab.

Regards,
Harrissou

Le mar. 19 oct. 2021 à 18:33, Zoltan  a écrit :

> Hi,
> Me again :-(
>
> I've written a custom function in Field Calculator and want to put its
> return value into a new Text field in the attribute table.
>
> When I step through the features I get the correct and expected values
> shown next to 'Preview'
> But
> when I click OK to run the Field Calculator, it runs for a long enough
> time, auto-closes on completion and in the attribute table the new field is
> created, but value is 'Nothing for None' for all features.
> *Note:* variable rd_at reflects correct contents when stepping through
> and observing 'Preview' but seems to revert to Nonetype when running the
> function.
>
> What am I missing regarding using custom functions?
> Is it an intended thing that the Field Calculator auto-closes after
> running a custom function?
>
> Thanks again,
> Kind regards,
> Zoltan
>
> *Note:*  The msg variable was introduced in case placing 'return' in
> various lines in the script was causing  problems. I have also made the
> script below "more pedantic" to try and debug it.
>
> from qgis.core import *
> from qgis.gui import *
> import processing
>
> @qgsfunction(args='auto', group='Custom', referenced_columns=[])
> def del_cutboxes(feature, parent):
> geom = feature.geometry()
> attr = feature.attributes()
> rd_at = str(attr[5])
> lyr_rcl = QgsVectorLayer('Z:/Projects/RCL_boxes.shp','lyrrcl','ogr')
> rcl_feats = lyr_rcl.getFeatures()
> msg = ''
> for rcl_feat in rcl_feats:
> if len(msg) == 0:
> rclbox = rcl_feat.geometry()
> if rclbox.contains(geom):
> if rcl_feat.attributes()[0] is not rd_at:
> #feature.delete()
> msg = 'ToDelete ' + rd_at
> else:
> msg = 'ToKeep   ' + rd_at
> if len(msg) == 0:
> msg = 'Nothing for ' + rd_at
> return msg
>
>
>
>
>
>
> --
>
> =
> Zoltan Szecsei GPrGISc 0031
> Geograph (Pty) Ltd.
> GIS and Photogrammetric Services
>
> Cape Town, South Africa.
>
> Mobile: +27-83-6004028 (Signal, not WhatsApp)www.geograph.co.za
> =
>
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Re: [Qgis-user] QGIS server in professional use?

[DelazJ]

Hi Mats, all

Just to let you know that some of the unclear/confusing statements in the
docs you pointed out in an earlier message have been addressed. The updated
version is available at
https://github.com/qgis/QGIS-Documentation/blob/master/docs/server_manual/getting_started.rst
and will be pushed to the docs website later tonight (UTC).
Hope that helps you get through or at least makes things less confusing.
And please open issues in the repo if there still are.

Regards,
Harrissou


Le lun. 18 oct. 2021 à 11:00, Mats Elfström  a
écrit :

> Nyall, and QGIS fellow users and friends!
>
> No one is born with knowledge, but everyone can learn.
> Which is what I am trying hard here.
> I humbly asked for user collaboration, and took great care in explaining
> what I have done, and what I am aiming at.
> (see also the thread "*Configuring QGIS server on Ubuntu 20.4*")
> I have not given up yet, but I will drop this thread.
> As you imply, it has taken off in the wrong direction.
>
> Best regards, Mats.E
>
> Den mån 18 okt. 2021 kl 09:44 skrev Nyall Dawson :
>
>> On Mon, 18 Oct 2021 at 17:23, Mats Elfström 
>> wrote:
>> >
>> > I am not too happy if I have to start over on a new machine.
>>
>> With all due respect, what do you expect as the outcome of this
>> discussion?  You're complaining about software you obtained for free!
>> If you're looking for commercial SUPPORT for QGIS then you need to
>> contract a QGIS support provider (see
>> https://qgis.org/en/site/forusers/commercial_support.html). If you're
>> not experienced enough to setup the server yourself, I strongly
>> caution you NOT to expose it to the internet and instead pay someone
>> with the experience to do this for you, and ensure it's done
>> correctly.
>>
>> If it's a volunteer task and you don't want to pay for support, then
>> you NEED to moderate your language and avoid the inflammatory wording.
>> That's never an effective way to get a good response from the
>> volunteer side of the community.
>>
>> Nyall
>>
>>
>>
>>
>> >
>> > Regards, Mats.E
>> >
>> >
>> > Den mån 18 okt. 2021 kl 04:31 skrev Richard Greenwood <
>> richard.greenw...@gmail.com>:
>> >>
>> >> Posting again without screenshot, which apparently caused my previous
>> email to await moderator approval.
>> >>
>> >> Mats,
>> >>
>> >> I fired up a new Ubuntu 20.04 instance on AWS and did the following 5
>> steps which got me an XML capabilities document.
>> >>
>> >> # standard practice when starting a new instance
>> >> sudo apt update && sudo apt upgrade -y
>> >> # reboot if a new kernel was installed by apt upgrade
>> >> sudo reboot
>> >> # install qgis-server and apache web server
>> >> sudo apt install qgis-server apache2 libapache2-mod-fcgid
>> >> # enable apache fcgi and cgi
>> >> sudo a2enmod fcgi cgi
>> >> sudo systemctl restart apache2
>> >> # in a web browser you should now get an XML document from the
>> following request
>> >>
>> http://IP-ADDRESS-OR-HOST-NAME/cgi-bin/qgis_mapserv.fcgi?SERVICE=WMS=1.3.0=GetCapabilities
>> >>
>> >> And 3 more steps got me a map
>> >>
>> >> # load some test data
>> >> wget https://github.com/qgis/QGIS-Training-Data/archive/v2.0.zip
>> >> sudo apt install unzip
>> >> unzip v2.0.zip
>> >> # in a web browser you should get a map from the following request
>> >>
>> http://IP-ADDRESS-OR-HOST-NAME/cgi-bin/qgis_mapserv.fcgi?SERVICE=WMS=1.3.0=GetCapabilities=/home/ubuntu/QGIS-Training-Data-2.0/exercise_data/qgis-server-tutorial-data/world.qgs=countries=WMS=1.3.0=GetMap=EPSG:4326=400=200=-90,-180,90,180
>> >>
>> >> The tutorial tries to cover a lot of ground, maybe too much. And the 8
>> steps above certainly don't cover enough for a production server. But it's
>> quite unfair to say that "QGIS Server is not ready for production". As
>> Donovan pointed out, there are a lot of moving parts and you have to have
>> some proficiency with all of them if you are doing it on your own.
>> >>
>> >> The basic principle is that QGIS Server is serving WMS, WFS, WCS
>> requests via CGI (or Fast-CGI). Apache, Ngix, IIS, Tomcat all can serve CGI
>> and Fast-CGI. Pick whatever operating system and web server you're the most
>> proficient with. Install QGIS Server, start with the simplest configuration
>> that you can, as I did above. Then start tuning it to your needs. If you
>> run into problems ask for help on the list or
>> https://gis.stackexchange.com/ with specific details as to what the
>> problem is.
>> >>
>> >> --
>> >> Richard W. Greenwood
>> >> www.greenwoodmap.com
>> >
>> >
>> >
>> > --
>> >
>> >
>> > GisKraft, Geodatakonsult
>> >
>> > Mats Elfström, Marsvinsholms stationsväg 80, 271 93 Ystad, Sweden
>> > tel: +46 70 595 39 35 / www.giskraft.se
>> >
>> > ___
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>> > Qgis-user@lists.osgeo.org
>> > List info: https://lists.osgeo.org/mailman/listinfo/qgis-user
>> > Unsubscribe: https://lists.osgeo.org/mailman/listinfo/qgis-user
>>
>
>
> --
>
>
> *GisKraft*, Geodatakonsult
>
> Mats 

Re: [Qgis-user] generating contours from point elevation data

[DelazJ]

Hi,
Or maybe the core Processing gdal contours algorithms:
https://docs.qgis.org/3.16/en/docs/user_manual/processing_algs/gdal/rasterextraction.html

Regards,
Harrissou

Le ven. 15 oct. 2021 à 17:25, Bernd Vogelgesang 
a écrit :

>
> On 15.10.21 17:00, Firstname Lastname wrote:
>
>  i have imported several elevation model files into qgis.  they come in as
> x,y,z, elevation points.  The original files are of the type:  GDBINDEXES,
> GDBTABLE FILE, GDBTABLX, and SPX.  can someone help me with a workflow for
> gridding and contouring these elevation files so that they look like either
> a contoured topo map or density contoured DEM.   i am able to import the
> points but need some help with the contouring
>
>
>
> Plugins might be your friend:
>
> https://plugins.qgis.org/search/?q=contour
>
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Re: [Qgis-user] Label Blocking in Print Layout

[DelazJ]

Hi Hugh,

In the layout map item properties panel (top toolbar):
https://docs.qgis.org/3.16/en/docs/user_manual/print_composer/composer_items/composer_map.html#the-toolbar

Regards,
Harrissou

Le jeu. 9 sept. 2021 à 18:09, Hugh Kelley  a écrit :

> Hi all,
>
> I'm wondering if anyone is aware of a way for items in a print layout, a
> scale bar or north arrow for example, to inform the labeling engine. Lould
> I prevent a label from being rendered underneath a north arrow for example?
>
> I had thought that I had seen this referenced somewhere, but have been
> looking around in QGIS and on the internet and haven't found a way to do
> this yet.
>
> thanks
>
> Hugh
>
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Re: [Qgis-user] Line dissolve

[DelazJ]

Hi,

> That does not work with lines unfortunately. I tried multiple times with
different combinations.  It works with polygons when common borders need to
be dissolved.

Nicolas, can you elaborate a bit more on the issues you have with the
"Dissolve + Multipart to singleparts" solution I provided few days ago. At
which step is it failing? The dissolve does not merge joining features into
a single one? I don't know the function internals but I'd expect it to work
this way and if not, would sound like a bug to report IMHO...

Regards,
Harrissou

Le mar. 31 août 2021 à 00:57, Nicolas Cadieux 
a écrit :

> Thanks Charles,
>
> This will be very useful. Nice to know I'am not the only one going crazy
> with this!!!
>
> Nicolas
> On 2021-08-30 4:42 p.m., Charles Dixon-Paver wrote:
>
> I thought this would be easily solved with an expression but sadly I
> haven't been able to get reliable results at all.
>
> My first thought was
> collect($geometry,filter:=intersects($geometry,geometry(@parent))) and
> when that didn't work I tried various aggregates and union operations to no
> avail. Something like this might be useful if you can get it into a usable
> form (I managed to get various multigeometries in the form you are looking
> for but wasn't able to do much with them and there seemed to be artifacts):
>
>
> collect_geometries(array_foreach(aggregate(layer:='lines',aggregate:='array_agg',expression:=$geometry,filter:=intersects($geometry,geometry(@parent))),@element))
>
> I was actually waiting for someone else to come up with a more elegant
> solution, but it would probably also be possible to identify intersecting
> features and get the minimum/ maximum feature id for intersecting features
> with this:
>
> aggregate(layer:='lines',
> aggregate:='min',
> expression:="fid",
> filter:=intersects($geometry,geometry(@parent)))
>
> You could use that in the field calculator to create a field for
> "grouping" various intersecting features to dissolve on, however it's only
> going to identify the minimum of the currently intersecting features so you
> would need to iterate through the process multiple times. I can't think of
> an effective way to implement a "while" conditional either.
>
> It's a pretty clanky way to do it, but if you are really struggling I
> think it's possible.
>
> On Mon, 30 Aug 2021 at 22:10, Nicolas Cadieux 
> wrote:
>
>> Hi,
>>
>> Seems like the plugin is available so I will try it out.  The ability to
>> create multi-linestring out of any touching lines (touch here means
>> intersects at the first or last node) would be nice to have it if I can
>> include it in a model.
>>
>> My goal is for this model to work for anyone with a basic install of QGIS
>> LTR or 3.20 with minimal efforts so I am trying to eliminate the need to
>> rely on external plugins or scripts.
>>
>> This is also my first attempt with models. It’s a learning curve but I am
>> having fun… I think this probably should have been a plugin but my
>> knowledge of GUI programming is basically 0.  That will be for a next
>> project…
>>
>> Nicolas Cadieux
>> https://gitlab.com/njacadieux
>>
>> Le 30 août 2021 à 14:59, David Strip  a
>> écrit :
>>
>>  I looked at the source for this plug-in and as far as I can tell  it
>> only merges lines that meet at endpoints. It ignores multi-lines, and only
>> creates linestrings, so there are no vertices of degree >2 (ie, no
>> junctions/forks). Also, the plug-in doesn't look for intersections between
>> vertices (since it only looks to merge endpoints.)
>> The StackExchange post appears to want multi-linestrings, which gives
>> forks and such. Is that what you need?
>>
>> On 8/30/2021 5:27 AM, Nicolas Cadieux wrote:
>>
>> Hi,
>> This is the plugin I was referring to.  I don’t see it in the current
>> plugins (experimental turned on)  so I figured it’s QGIS 2 only.
>>
>> https://github.com/ArMoraer/QGISMergeLines
>>
>> Nicolas Cadieux
>> https://gitlab.com/njacadieux
>>
>>
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Re: [Qgis-user] Line dissolve

[DelazJ]

Hi Nicolas,

What about using "Dissolve" and then "multiparts to singleparts"...
There's also the line_merge function, if you want to go the expression route.

Regards,
Harrissou

Le 29 août 2021 05:26:24 GMT+02:00, Nicolas Cadieux 
 a écrit :
>Hi,
>
>Just to clarify, I have no attribute to dissolve the lines on… so If you have 
>as easy way to create an attribute list of all connected lines groups, I would 
>also appreciate it.  This is easy in strait python but I am making a model and 
>trying to rely on existing algorithms.
>Thanks!
>
>Nicolas Cadieux
>https://gitlab.com/njacadieux
>
>> Le 28 août 2021 à 20:21, Nicolas Cadieux  a 
>> écrit :
>> 
>> 
>> Hi,
>> 
>> Is there an easy way, in processing, to dissolve lines that are touching? 
>> Alternative, can I create a multilinestring with all the lines that are 
>> touching?  Seems this should be a basic tool to have in QGIS…
>> 
>> Nicolas Cadieux
>> https://gitlab.com/njacadieux

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Re: [Qgis-user] Multiple lines issue in labelling

[DelazJ]

Hi,

Le mar. 29 juin 2021 à 06:09, Patrick Dunford  a
écrit :

> It comes down to a perspective of how intuitive a UI feature should be.
>
> The placement tab is a new feature in recent versions of Qgis and that's
> down to a subjective classification of things into "placement" options or
> whether there is a better way of classifying the settings that keeps them
> together in the same tab of the dialog.
>
You meant multiline is new feature (>= QGIS 3.4 I think) because placement
tab is an old tab (QGIS 2.0
<https://docs.qgis.org/2.0/en/docs/user_manual/working_with_vector/vector_properties.html#labels-menu>).
If you have suggestions, do not hesitate.

> You could put a message above the multiline section saying " this section
> is disabled because curved has been selected in other tab" or words to that
> effect.
>
Could help indeed. Mind opening an issue report or provide a pull request?
Thanks

Regards,
Harrissou

> On 27/06/21 6:51 pm, DelazJ wrote:
>
> Hi,
> These are quite different features I can't see how they would stay in the
> same tab, despite I understand your point.
> Anyway, note that the multilinear options are disabled because these
> functionalities are not YET implemented for curved labels. See
> https://github.com/qgis/QGIS-Enhancement-Proposals/issues/62
>
> Regards,
> Harrissou
>
> Le 25 juin 2021 04:43:11 GMT+02:00, Patrick Dunford
>   a écrit :
>>
>> Yes it was set with that.
>>
>> This does raise a question of the software design. I got an introductory
>> course in interface design many years ago, and we were taught a control
>> that enables or disables a part of a user interface should not be placed in
>> a different page of a multi tabbed dialog.
>> On 25/06/21 1:08 am, DelazJ wrote:
>>
>> Hi Patrick,
>> Do you set a curved placement for the labels?
>>
>> Harrissou
>>
>> Le jeu. 24 juin 2021 à 13:22, Patrick Dunford 
>> a écrit :
>>
>>> Good day
>>>
>>> I have used the multiple lines feature in labelling some of my layers.
>>> However for some inexplicable reason this section in some layers is
>>> grayed out (disabled) and cannot be accessed.
>>>
>>> All layers are Spatialite but this should have no relevance as the
>>> labelling settings are stored in the project file rather than with the
>>> layers data files.
>>>
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>>
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Re: [Qgis-user] Multiple lines issue in labelling

[DelazJ]

Hi,
These are quite different features I can't see how they would stay in the same 
tab, despite I understand your point.
Anyway, note that the multilinear options are disabled because these 
functionalities are not YET implemented for curved labels. See 
https://github.com/qgis/QGIS-Enhancement-Proposals/issues/62

Regards,
Harrissou

Le 25 juin 2021 04:43:11 GMT+02:00, Patrick Dunford  a 
écrit :
>Yes it was set with that.
>
>This does raise a question of the software design. I got an
>introductory 
>course in interface design many years ago, and we were taught a control
>
>that enables or disables a part of a user interface should not be
>placed 
>in a different page of a multi tabbed dialog.
>
>On 25/06/21 1:08 am, DelazJ wrote:
>> Hi Patrick,
>> Do you set a curved placement for the labels?
>>
>> Harrissou
>>
>> Le jeu. 24 juin 2021 à 13:22, Patrick Dunford
>> <mailto:enzedrailm...@gmail.com>> a écrit :
>>
>> Good day
>>
>> I have used the multiple lines feature in labelling some of my
>> layers.
>> However for some inexplicable reason this section in some layers
>is
>> grayed out (disabled) and cannot be accessed.
>>
>> All layers are Spatialite but this should have no relevance as
>the
>> labelling settings are stored in the project file rather than
>with
>> the
>> layers data files.
>>
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Re: [Qgis-user] Multiple lines issue in labelling

[DelazJ]

Hi Patrick,
Do you set a curved placement for the labels?

Harrissou

Le jeu. 24 juin 2021 à 13:22, Patrick Dunford  a
écrit :

> Good day
>
> I have used the multiple lines feature in labelling some of my layers.
> However for some inexplicable reason this section in some layers is
> grayed out (disabled) and cannot be accessed.
>
> All layers are Spatialite but this should have no relevance as the
> labelling settings are stored in the project file rather than with the
> layers data files.
>
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Re: [Qgis-user] Fwd: error on counting inside a map

[DelazJ]

Hi Dario,
You want two filters: a field not being null and features being visible.
But none of your expressions indicates that.
Naming parameters could help you avoid falling in this trap (read the tip
just above this section

in the docs)
try with
aggregate( *'LAYERID*','count',"*KEY-FIELD*","*SPECIFIC-FIELD*" is not null
*AND* intersects($geometry,map_get(item_variables('Mappa1'),'map_extent')))

Hope that helps,
Harrissou

Le jeu. 3 juin 2021 à 11:38, Dario C  a écrit :

>
> Sorry, I don't want to spam anybody. I send again my request, just in case
> it never has never sent.
> Thank you
>
>
> Hi,
> I'm trying to have a legend on my layout and I'd like to count the item
> shown in the legend which are inside the map extent.
>
> I'm using this expression but:
> case 1) it gives me the total amount of the items (not filtered by map)
> case 2) it gives me the total amount of the items shown in the map, but
> not filtered by field
>
>
> case 1:
>
> aggregate( *'LAYERID*','count',"*KEY-FIELD*","*SPECIFIC-FIELD*" is not
> null, intersects($geometry,map_get(item_variables('Mappa1'),'map_extent')))
>
> result: 1965 (the same of the total *"SPECIFIC-FIELD" is not null* in the
> project (not in the map)
>
>
> case 2
>
> aggregate( '*LAYERID*','count',"*SPECIFIC-FIELD*" is not null,
> intersects($geometry,map_get(item_variables('Mappa1'),'map_extent')))
>
> result: 583 (total amount of the items in the map, but not of that
> specific category)
>
>
> Difference between Case 1 and Case 2 is that case 2 has not "filtered by"
> values in the formula.
>
>
> Thank you for your support.
>
>
> Cheers
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Re: [Qgis-user] SPLIT POLYGONS INTO 3 PARTS (similar size)

[DelazJ]

Oups, I just see you were already referring to that plugin, and it did not
satisfy your needs.

Le mer. 19 mai 2021 à 16:41, DelazJ  a écrit :

> Hi,
> I did not use it but saw there's a "Split Polygon" plugin:
> https://plugins.qgis.org/plugins/SplitPolygon-master/
>
> Regards,
> Harrissou
>
> Le mer. 19 mai 2021 à 16:31, Nicolas Cadieux 
> a écrit :
>
>> This looks interesting...
>>
>>
>> https://gis.stackexchange.com/questions/321021/how-to-split-polygon-into-equal-area-polygons-in-qgis-3
>>
>> Nicolas Cadieux
>> https://gitlab.com/njacadieux
>>
>> Le 19 mai 2021 à 09:50, Azzurra Lentini  a
>> écrit :
>>
>> 
>> Dear List,
>> please I would like to have any suggestion regarding this topic: I have
>> several polygons (all different shapes and not regular geometry) and I need
>> to split every single polygon into 3 parts of similar size.
>> I have tried with *Split polygons* but it is working very well only with
>> regular geometries (square, rectangle etc.) and so I can not use it in this
>> case.
>>
>> Do you have any suggestions?
>>
>> THANK YOU, AZZURRA
>> --
>> Adjunct Professor University "Roma Tre"
>> Gis Applied for Environmental studies
>> Risk modelling & Hydrogeology
>> Consultant DFID-UK, United Nations, EU projects
>> AZZURRA LENTINI
>> ++
>> Italy Mobile Tel.: **(39) 338 24 40 676
>> ++
>> SKYPE azzurrahydro
>> ++
>>
>> *azzurralent...@gmail.com *
>>
>> *azzurra.lent...@uniroma3.it  *
>> ++
>> *Par respect pour l'environnement,*
>>
>> *n'imprimez ce mail qu'en cas d'absolue nécessité*
>>
>>
>>
>>
>>
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Re: [Qgis-user] SPLIT POLYGONS INTO 3 PARTS (similar size)

[DelazJ]

Hi,
I did not use it but saw there's a "Split Polygon" plugin:
https://plugins.qgis.org/plugins/SplitPolygon-master/

Regards,
Harrissou

Le mer. 19 mai 2021 à 16:31, Nicolas Cadieux 
a écrit :

> This looks interesting...
>
>
> https://gis.stackexchange.com/questions/321021/how-to-split-polygon-into-equal-area-polygons-in-qgis-3
>
> Nicolas Cadieux
> https://gitlab.com/njacadieux
>
> Le 19 mai 2021 à 09:50, Azzurra Lentini  a
> écrit :
>
> 
> Dear List,
> please I would like to have any suggestion regarding this topic: I have
> several polygons (all different shapes and not regular geometry) and I need
> to split every single polygon into 3 parts of similar size.
> I have tried with *Split polygons* but it is working very well only with
> regular geometries (square, rectangle etc.) and so I can not use it in this
> case.
>
> Do you have any suggestions?
>
> THANK YOU, AZZURRA
> --
> Adjunct Professor University "Roma Tre"
> Gis Applied for Environmental studies
> Risk modelling & Hydrogeology
> Consultant DFID-UK, United Nations, EU projects
> AZZURRA LENTINI
> ++
> Italy Mobile Tel.: **(39) 338 24 40 676
> ++
> SKYPE azzurrahydro
> ++
>
> *azzurralent...@gmail.com *
>
> *azzurra.lent...@uniroma3.it  *
> ++
> *Par respect pour l'environnement,*
>
> *n'imprimez ce mail qu'en cas d'absolue nécessité*
>
>
>
>
>
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Re: [Qgis-user] Simple question?

[DelazJ]

Hi,

Nikolas, go to the Plugins menu --> Manage and install plugins, and enable
the Processing one. Tools should be back.

Regards,
Harrissou

Le mar. 13 avr. 2021 à 10:53, Richard Duivenvoorde  a
écrit :

> On 4/13/21 10:48 AM, N Sellheim wrote:
> > Hi all
> >
> > I'm rather new to QGIS and I have a question: I reinstalled QGIS (3.16
> Hannover) and would now like to reproject a raster through the Raster ->
> Projections -> Warp (reproject) tabs. However, apart from Raster
> Calculator, Align Rasters..., and Georeferencer all the other sub-tabs
> (Analysis, Projection etc.) are missing. How can I add those there again?
>
> Could be an installation issue?
> But to be able to answer such questions, you have to give some more info:
>
> What operating system AND version of it are you using?
> How did you install it (which installers, or repositories)?
> Maybe you can also copy-paste the info from the about box (which shows all
> versions of all libraries etc).
>
> Hopefully that reveals something (to somebody)?
>
> Regards,
>
> Richard Duivenvoorde
>
>
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Re: [Qgis-user] Bar menu issues

[DelazJ]

Hi Pedro,

Go to the "Plugins" menu --> "Manage and Install plugins", and in the
"Installed" tab of the dialog, reactivate the "Processing" plugin. All
should be fine then.

Regards,
Harrissou

Le ven. 26 mars 2021 à 14:15, Pedro de Greiff  a écrit :

> Hello
>
> The menu bar doesn't display the Vector And Raster Menus. It was working
> fine, and then the problem appeared. , also the "process" menu does not
> appear at all  in the menu.
> I have uninstalled and reinstalled many times and the result is the same,
> it is 64 bit.
>
> Gracias
>
> Pedro de Greiff G
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Re: [Qgis-user] (???) RE: Where are the change logs (for the latest point releases)?

[DelazJ]

Hi,

So true, Jürgen.

An information for any volunteer that would like to implement (or pay for)
such a feature: https://github.com/qgis/QGIS/issues/40405
>From my understanding, there could be an "easy" way to generate our
changelogs based on the github action.

Regards,
Harrissou


Le mar. 23 mars 2021 à 11:40, Jürgen E. Fischer  a écrit :

> Hi Jeff,
>
> On Tue, 23. Mar 2021 at 03:11:45 +, Jeff Sonnentag wrote:
> > Well, I don't know about the rest of the people using QGIS, but sifting
> > through commits and pull requests to try to figure out what has and
> hasn't
> > been fixed isn't what is expected.  Other software lists specific fixes
> and
> > known problems in a notice about each release.
>
> That's just a cherry on the top.  So many things to do, so little time:
>
> https://lists.osgeo.org/pipermail/qgis-developer/2021-March/063351.html
>
> A change list (and it's continuous maintanance and maybe infrastructure)
> that
> is easier to digest, than the pure changes, is a very welcome contribution.
>
> But until there are volunteers for that, you probably have no other choice
> than
> to adapt your expectations.
>
> SCNR.
>
>
> Jürgen
>
> --
> 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)  GermanyIRC: jef on FreeNode
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Re: [Qgis-user] Combing Vector Layers - With Attributes

[DelazJ]

Hi,

Le ven. 12 mars 2021 à 10:04, Springfield Harrison  a
écrit :

> Thanks Bo,
>
> I tried a sample run but it failed:
>
> "TAG field in layer Tree Table All 2 PntType has different data type than
> in other layers (String instead of integer)
>
> Execution failed after 1.20 seconds"
>
> It looks like it can't handle differing data types and won't offer choices
> for merging fields.  I wonder if there are other tools?
>
What is your version of QGIS? This has been fixed somewhere >3.10 (
https://docs.qgis.org/3.16/en/docs/user_manual/processing_algs/qgis/vectorgeneral.html#merge-vector-layers
)

Regards,
Harrissou

> Thanks again . . . .
>
> -
> Cheers, Spring
>
>
>
> On 12/Mar/2021 00:48, Bo Victor Thomsen wrote:
>
> Menu "Vector" -> "Data management tools" -> "Merge vector layers"
>
> Med venlig hilsen / Kind regards
>
> Bo Victor Thomsen
>
> Den 12-03-2021 kl. 09:35 skrev Springfield Harrison:
>
> t shapefile) of trees to which I n
>
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Re: [Qgis-user] Where to download the API documentation?

[DelazJ]

Hi,

Maybe should we consider providing also a zipped html version of the pyqgis
docs?

Regards,
Harrissou

Le mer. 20 janv. 2021 à 16:01,  a écrit :

> Thanks for fixing this. I decided I really wanted the Python docs, so I
> resorted to brute force with wget.
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Re: [Qgis-user] Stats on selected rows in tables

[DelazJ]

Hi Ryan
See the statistical summary panel (in View menu -> Panels)
https://docs.qgis.org/3.16/en/docs/user_manual/introduction/general_tools.html#statistical-summary-panel

Regards,
Harrissou

Le mar. 22 déc. 2020 à 19:15, Ryan Peel  a écrit :

> Hello,
>
> Is there a plugin or easy way built in to v3.14 qgis that can sum total up
> a column for only the selected rows versus creating a scratch layer first
> and using the summary button?
>
> Thanks,
> Ryan
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Re: [Qgis-user] QgisServer - WMS getMap with geographical filters

[DelazJ]

Hi
Nicolas, about the filter parameter, are you referring to
https://docs.qgis.org/3.16/en/docs/server_manual/services.html#filter ?
That said, there is already a bbox parameter for the wms service :
https://docs.qgis.org/3.16/en/docs/server_manual/services.html#bbox

Regards,
Harrissou

Le mar. 17 nov. 2020 à 18:56, niki oro  a écrit :

> I wasn't lucky :( Could you show me some examples of using OGC
> geographical filters with WMS getMap, please?
>
> Thank you
>
> Il giorno lun 2 nov 2020 alle ore 09:58 niki oro  ha
> scritto:
>
>> Thanks, I'll check it out.
>>
>> Il giorno sab 31 ott 2020 alle ore 21:42 Nicolas Boisteault <
>> nboistea...@3liz.com> ha scritto:
>>
>>> Hi,
>>> You can use OGC filter with wms. It is undocumented but you can look at
>>> this QEP : https://github.com/qgis/QGIS-Enhancement-Proposals/issues/104
>>>
>>> Le sam. 31 oct. 2020 à 17:17, niki oro  a écrit :
>>>
 Hi everyone,

 I'm working with a layer which I need to filter in a WMS GetMap request
 by adding a BBOX query in order to retrieve only a subset of information. I
 suppose that the right way to accomplish this is by adding a kind of CQL
 filter, but I cannot find the proper manner.
 I tried with this:
 Filter= LayerWhichINeedToFilter : "nameOfGeometryAttribute"
 'BBOX'(2841625.00, 8882591.00, 2962275, 8971491);

 Is there a right way to do this?
 Thank you
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Re: [Qgis-user] check and uncheck option

[DelazJ]

Hi,

Right-click on a class of the layer in the layers panel and you have access
to toggle items. See the tip just above this section
https://docs.qgis.org/3.10/en/docs/user_manual/working_with_vector/vector_properties.html#graduated-renderer

Regards,
Harrissou

Le lun. 10 août 2020 à 09:02, Boaz Bar Ilan  a écrit :

> hi
> the check and uncheck option ( all children ) fits as its name just to
> children
> if i  use the classify option and  i get for example 30 classification in
> a children
> i cant check or uncheck all at once and i need to do it one by one?
> its not logic
> is there is a solution ?
>  thanks
> boaz
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Re: [Qgis-user] Show image time with Temporal Controller

[DelazJ]

Hi Frank

Probably related:
http://osgeo-org.1560.x6.nabble.com/QGIS-Developer-How-to-get-animation-datetime-td5442097.html

Regards,
Harrissou

Le lun. 3 août 2020 à 13:58, Frank Sokolic  a
écrit :

> Hi Charles,
>
> The images are being loaded from a WMS-T service and so don't have
> attributes. Is there any way of using an expression to get details of the
> current image from the temporal controller or perhaps get the WMS-T
> parameters being sent for each image in the sequence?
>
> Frank.
>
> On 2020/08/03 13:14, Charles Dixon-Paver wrote:
>
> Hi Frank, I haven't tested this, but wouldn't you be able to get this from
> the layer attributes that are configured in the temporal controller
> settings?
>
> On Mon, 3 Aug 2020 at 13:07, Frank Sokolic 
> wrote:
>
>> Hi,
>>
>> I'm using the QGIS 3.14 Temporal Controller to step through a series of
>> satellite images in 15 minute intervals and would like to show the
>> date/time of each image as it appears on the map. There are variables
>> for the start and end animation times (animation_start_time,
>> animation_end_time) that I can use in my expression but can't see
>> anything for the data/time of the current image. Does anyone know if
>> such a variable exists?
>>
>> Thanks, Frank.
>>
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Re: [Qgis-user] New Apple Macintosh ARM Chipsets

[DelazJ]

Hi Michael,

Thanks for offering your help. Happy to welcome more experimented writers.
Documentation sources are available at
https://github.com/qgis/QGIS-Documentation, with a list of features to
document at  https://github.com/qgis/QGIS-Documentation/issues. You can
find some contribution guidelines at
https://docs.qgis.org/testing/en/docs/documentation_guidelines/index.html
but feel free to ask if anything is unclear.
As Andreas mentioned, you can also join the qgis-community-team list (
https://lists.osgeo.org/mailman/listinfo/qgis-community-team) where we
sometimes hold "meta" discussion on the future of the documentation.

Greetings,
Harrissou

Le ven. 10 juil. 2020 à 16:05, Andreas Neumann  a
écrit :

> Hi Michael,
>
> Or you could buy a used Intel Mac that is only 1-3 years old. I would
> assume that many Apple afficionados are eager to jump to new hardware and
> would give away the old Intel stuff for a bargain. If QGIS is important to
> you, that might be a better deal than becoming an early adopter of arm
> hardware and suffer from all the early problems. Over the years - after all
> the major problems are solved, I would agree that a more energy efficient
> processor sounds compelling.
>
> About documentation: documenter are always welcome. The introduction can
> be found at https://www.qgis.org/en/site/getinvolved/document.html -
> there is a dedicated mailing list for documenters and you need a github
> account.
>
> Thanks in advance for your efforts in joining the documentation team!
>
> Greetings,
>
> Andreas
>
>
> On 2020-07-10 15:51, Michael Goldstein wrote:
>
> Thanks to everyone who responded to my email.
>
> I'm currently running a 27" late-2013 iMac, whose life I extended by
> upgrading the boot drive to SSD.  While it's still a capable machine, I
> don't think it has 2+ more years left in it.  Sigh.  So I may be forced to
> make the ARM transition sooner rather than later, unless I decide to
> upgrade to an Intel iMac instead (which is not so desirable given my other
> commitments to the Apple eco-system)..
>
> I've been running QGIS on Macs since 1.x.  Over the years Mac support has
> been spotty even into the 3.xx era.  For example, a few months ago I had to
> run the Windows version in a VM to export a georeferenced PDF. That was a
> python issue, I think... QGIS 3.8 needed a later version of phython which
> didn't then exist for Mac.  That said, a sincere thanks to kyngchaos making
> it possible to run on Mac at all for many of those years!
>
> Good news that the port to ARM should be straight-forward.  I do hope it
> becomes a priority because the inherent energy efficiency of the ARM
> chipsets should make for some compelling hardware, particularly for laptop
> users.
>
> Finally, I would like to volunteer to write some documentation.  What's
> the best way to do that?
>
> Michael
>
>
>
> qgis-user-requ...@lists.osgeo.org wrote on 7/10/20 2:33 AM:
>
> Send Qgis-user mailing list submissions to
> qgis-user@lists.osgeo.org
>
> To subscribe or unsubscribe via the World Wide Web, visit
> https://lists.osgeo.org/mailman/listinfo/qgis-user
> or, via email, send a message with subject or body 'help' to
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> When replying, please edit your Subject line so it is more specific
> than "Re: Contents of Qgis-user digest..."
>
>
> Today's Topics:
>
> 1. export a composite image to kmz format (carlos h)
> 2. Re: New Apple Macintosh ARM Chipsets
>(Priv.-Doz. Dr. Maria Shinoto)
> 3. Re: export a composite image to kmz format (Nicolas Cadieux)
> 4. Re: Closest Distance of a point within a polygon to the
>closest part of that polygon and the name of the adjacentpolygon
>with the common boarder (David Kabay)
> 5. Re: New Apple Macintosh ARM Chipsets (Saber Razmjooei)
> 6. Re: New Apple Macintosh ARM Chipsets (Andreas Neumann)
>
>
> --
>
> Message: 1
> Date: Thu, 9 Jul 2020 17:07:14 -0600
> From: carlos h 
> To: qgis-user 
> Subject: [Qgis-user] export a composite image to kmz format
> Message-ID:
> 
> Content-Type: text/plain; charset="utf-8"
>
> Hello! I am with QGis version 3.10.x.
>
> How can I export a composite image to kmz format?
>
> Thank you
> --
> CA
> -- next part --
> An HTML attachment was scrubbed...
> URL: <
> http://lists.osgeo.org/pipermail/qgis-user/attachments/20200709/2ee2982f/attachment-0001.html
> >
>
> --
>
> Message: 2
> Date: Thu, 9 Jul 2020 23:34:00 +
> From: "Priv.-Doz. Dr. Maria Shinoto"
> 
> To: Michael Goldstein 
> Cc: "qgis-user@lists.osgeo.org" 
> Subject: Re: [Qgis-user] New Apple Macintosh ARM Chipsets
> Message-ID:
> <1b8a9ddb-c742-4b5a-a674-19bb1661a...@zaw.uni-heidelberg.de>
> Content-Type: text/plain; charset="us-ascii"
>
> Hi,
>
>
> earlier 

Re: [Qgis-user] colorramp starting from white

[DelazJ]

Hi,
Trying to quickly change the starting color of a default continuous ramp, I
realize that changing the first color is not enough, you need to
change/remove the intermediate ones also, in order to have something smooth.
So, question: why do we need stops in a color ramp that is supposed to be
continuous from color A to color B? Could the default continuous color
ramps not only have a start color and an end color? Nothing else?

Regards,
Harrissou

Le lun. 15 juin 2020 à 22:48, Anita Graser  a écrit :

> 15 Jun 2020 15:53:43 Raymond Nijssen :
>
> > Am I the only one who would like the color ramps in QGIS to NOT start
> from (super nearly) white, but from a light version of the color?
>
> Quite the contrary. I often have the need to change the starting color to
> real white or even transparent.
>
> It's probably one of those cases of "it depends!"
>
> In choropleth maps, it's important to distinguish between non and the
> lowest class. However, for heatmaps and similar viz, a smooth transition
> from white is often desired.
>
> Conclusion: the starting color should be really easy to change.
>
> Regards
> Anita
>
> >
> > For example, "Reds" should go from (light) pink to red.
> >
> > Currently, the first class in my legend always looks white, as many
> other parts of my map often do. Therefore it is hard to see where my data
> is and where not.
> >
> > Another thing, changing it manually is hard because of the 7 stops in
> the ramps.
> >
> > I'm happy to figure this out and make a PR, but would like to know
> other's opinions first.
> >
> > Regards,
> > Raymond
> >
> > --
> > Terglobo
> > Fahrenheitstraat 1
> > 5223 BJ 's-Hertogenbosch
> > The Netherlands
> > +31 (0) 6 25 31 49 83
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Re: [Qgis-user] colorramp starting from white

[DelazJ]

Hi Raymond,

Instead of changing manually, why not "Invert the Color ramp" when applying
it?
https://docs.qgis.org/testing/en/docs/user_manual/introduction/general_tools.html#the-color-ramp-drop-down-shortcut

Regards,
Harrissou

Le lun. 15 juin 2020 à 15:53, Raymond Nijssen  a
écrit :

> Am I the only one who would like the color ramps in QGIS to NOT start
> from (super nearly) white, but from a light version of the color?
>
> For example, "Reds" should go from (light) pink to red.
>
> Currently, the first class in my legend always looks white, as many
> other parts of my map often do. Therefore it is hard to see where my
> data is and where not.
>
> Another thing, changing it manually is hard because of the 7 stops in
> the ramps.
>
> I'm happy to figure this out and make a PR, but would like to know
> other's opinions first.
>
> Regards,
> Raymond
>
>
> --
> Terglobo
> Fahrenheitstraat 1
> 5223 BJ 's-Hertogenbosch
> The Netherlands
> +31 (0) 6 25 31 49 83
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Re: [Qgis-user] error "Cannot zoom to selectet feature(s): No extent could be determined.""

[DelazJ]

Hi,
Another option: In the layer's properties --> Source tab, could you press
"update extents" and/or "create spatial index"?
If nothing changed, probably reload the layer to see..

Regards,
Harrissou

Le mer. 13 mai 2020 à 15:57, Nicolas Cadieux 
a écrit :

> Hi,
>
> Looks like the .shp (the geometries) no longer matches with the .dbf file
> (the data).  That file could be corrupted.  Did you manipulate the layer in
> an other software like ArcGIS, AutoCAD or  Mapinfo?  Did you delete
> objects?  Different programs have dif ways of erasing objects in shapefiles
> and that can lead to errors of this sort.  I would also check your hard
> drive for other errors?   This could be a simple HD error or the beginning
> of the end of a hard drive. You can look at the drive SMART status also.
>
> My first reaction would be to try exporting the file in an other format or
> with another name and see what happens.
>
> Nicolas Cadieux
> Ça va bien aller!
>
> > Le 13 mai 2020 à 06:43, Simon Niederbacher 
> a écrit :
> >
> > Hello,
> >
> > I have a problem with my shape layers (type: line). I have a layer with
> > aprox. 500 line features. Since few days a thrid of those are not
> displayed
> > anymore on the map, but are still existing in the attribute table. When I
> > select one of those features and click on "zoom map to the selected
> rows", I
> > get the error "Cannot zoom to selectet feature(s): No extent could be
> > determined.
> >
> > Does somebody have an idea what could be wrong with those line features?
> >
> > Thank you a lot in advance.
> >
> > regards
> > Simon
> >
> >
> >
> > --
> > Sent from: http://osgeo-org.1560.x6.nabble.com/QGIS-User-f4125267.html
> > ___
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Re: [Qgis-user] Unable to Clip Raster from WMS Source

[DelazJ]

Hi,

Le lun. 20 avr. 2020 à 18:32, Nicolas Cadieux 
a écrit :

> Hi,
>
> You could try starting QGIS with command line options. I did not find the
> option for QGIS 3 but this probably works.
> https://docs.qgis.org/2.18/en/docs/user_manual/introduction/getting_started.html#command-line-options
>
>
https://docs.qgis.org/3.10/en/docs/user_manual/introduction/qgis_configuration.html#command-line-and-environment-variables

Regards,
Harrissou

The biggest problem is that you will probably not be able to download the
> entire US at the resolution you want.  Most wms server will limite the size
> of the download.  What are you trying to download exactly?  Can you find
> the original data that does come from a wms server?
>
> Please do a reply all so that the QGIS user groupe can profit of the
> conversation.
> Cheers!
>
> Nicolas Cadieux
> Ça va bien aller!
>
> Le 20 avr. 2020 à 00:38, Michael Demeyer  a écrit :
>
> 
>
> Nicolas,
>
>
>
> Thanks for the reply.  The problem is that the entire thing is the entire
> United States.  So I have to clip before I can save it.
>
>
>
> Any idea why it is not working?
>
>
>
> Michael
>
>
>
> Sent from Mail  for
> Windows 10
>
>
>
> *From: *Nicolas Cadieux 
> *Sent: *Sunday, April 19, 2020 5:46 PM
> *To: *Michael Demeyer 
> *Cc: *qgis-user@lists.osgeo.org
> *Subject: *Re: [Qgis-user] Unable to Clip Raster from WMS Source
>
>
>
> Hi,
>
>
>
> You need to export the image first.  Try exporting the project as a .tiff
> then, you will be able to clip the new image.
>
> Nicolas Cadieux
>
> Ça va bien aller!
>
>
>
> Le 19 avr. 2020 à 20:01, Michael Demeyer  a écrit :
>
> 
>
> Have connected a WMS server for the NAIP Imagery data (US Department of
> Agriculture) to a layer in a project, which seems to function properly.  I
> am trying to export a sub-section of the data using the Clip Raster by
> Extent function, also specifying the resolution at 30 x 30 meters.
>
>
>
> Below is the input string to GDAL that is created.  I consistently (100%
> of the time) get an error saying “Failure: No Target Dataset Specified”
>
>
>
> Have tried everything I can think of.  This command works fine for me on
> local data, but is somehow not working for this WMS source.
>
>
>
> Thanks!
>
>
>
> Michael
>
>
>
> QGIS version: 3.12.1-București
>
> QGIS code revision: 121cc00ff0
>
> Qt version: 5.11.2
>
> GDAL version: 3.0.4
>
> GEOS version: 3.8.1-CAPI-1.13.3
>
> PROJ version: Rel. 6.3.1, February 10th, 2020
>
> Processing algorithm…
>
> Algorithm 'Clip raster by extent' starting…
>
> Input parameters:
>
> { 'DATA_TYPE' : 0, 'EXTRA' : '', 'INPUT' :
> 'contextualWMSLegend=0=EPSG:4326=7=10=image/jpeg=0=
> https://services.nationalmap.gov/arcgis/services/USGSNAIPImagery/ImageServer/WMSServer',
> 'NODATA' : None, 'OPTIONS' : '', 'OUTPUT' : 'E:/Flying/Landscape
> Building/Imagery Test/jpeg test.bil', 'PROJWIN' : '415804, 761404, 3987838,
> 4379518' }
>
>
>
> GDAL command:
>
> gdal_translate -projwin 415804.0 4379518.0 761404.0 3987838.0 -of EHdr
> contextualWMSLegend=0=EPSG:4326=7=10=image/jpeg=0=
> https://services.nationalmap.gov/arcgis/services/USGSNAIPImagery/ImageServer/WMSServer
> "E:/Flying/Landscape Building/Imagery Test/jpeg test.bil"
>
> GDAL command output:
>
>
>
>
>
> FAILURE: No target dataset specified.
>
>
>
> Sent from Mail
> 
> for Windows 10
>
>
>
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Re: [Qgis-user] QGIS uninstalled after GDAL PPA install

[DelazJ]

Hi,
If i may, I'm also a Ubuntu 18.04 user but I do not use the qgis repo. I
use the Flatpak installation (
https://qgis.org/en/site/forusers/alldownloads.html#flatpak) and with the
3.10.3ltr, i have gdal 3.0.4 and proj 6.3.1

Greetings,
Harrissou

Le ven. 6 mars 2020 à 01:48, Ben Hur Pintor  a écrit :

> Hi Lorenzo,
>
> Ubuntu and QGIS user here as well. I use the ubuntugis-unstable for the
> most recent libraries on Bionic (w/o needing to compile the libs myself).
> I'm currently still on 3.10.2 since that's the most recent version in the
> unstable PPA (w/ GDAL 3.0.2 and PROJ 6.2.1).
>
> For Ubuntu, the ubuntugis-unstable PPA usually contains the most recent
> library versions available. The main (universe) repos rarely update
> themselves. Which is why GDAL 3.X and Proj 6.X is available via the
> unstable PPA and not the main repo.
>
> One thing you can do is compile the libraries yourself for Bionic.
>
> Another is to wait for ubuntugis-unstable to update their packages.
>
> Another is to wait for Focal (20.04) to be released. Based on the
> development docs of focal, it'll be released with GDAL 3.0.4 (
> https://launchpad.net/ubuntu/focal/+source/gdal) and  PROJ 6.3.1 (
> https://launchpad.net/ubuntu/focal/+source/proj) which looks great for
> running the recent LRs and LTRs of QGIS.
>
> You can see the note on the QGIS documentation here (
> https://qgis.org/en/site/forusers/alldownloads.html#debian-ubuntu)
>
>
> All the best,
> Ben Hur
>
>
> On Fri, Mar 6, 2020, 08:01 Lorenzo-Outlook 
> wrote:
>
>> Thank you very much!
>> I completely removed the previous installation of QGIS 3.12 and installed
>> the LTR release QGIS 3.10.3 using 'qgis.org/ubuntu-ltr'. I also
>> installed the server version and now everything works. Great.
>> Looking at the libraries used for QGIS I see that there is still GDAL
>> 2.2.3 and PROJ4 4.9.3. Is there any hope to see these libraries updated to
>> version 3.x for GDAL and 6.x for PROJ4 in Ubuntu 18.04?
>> Thanks again
>> Lorenzo
>>
>>
>>
>> > Il giorno 5 mar 2020, alle ore 14:50, Andre Joost <
>> andre+jo...@nurfuerspam.de> ha scritto:
>> >
>> > Am 05.03.20 um 00:06 schrieb Lorenzo-Outlook:
>> >> Hi all I also was able to install the new version 3.12 in Ubuntu
>> >> 18.04 following the instructions by eliminating the ubuntugis repo.
>> >> But QGIS is not complete: the problem is strange because QGIS opens
>> >> and inside it is missing many CRS projections (for example the
>> >> geographical WGS84, EPSG:4326 or 3857 and others). It seems that the
>> >> PROJ4 library version 4.9.3 with which QGIS is compiled does not
>> >> contain some CRS. Everything else works but without these projections
>> >> QGIS is not much need. Of course the server version also has this
>> >> problem and is therefore unusable. I went back to the ubuntugis repo
>> >> and reinstalled QGIS 3.10.2 which works fine. Did someone have the
>> >> same problem or did it just happen to me? Bye Lorenzo
>> >
>> > This might be a follow-up of QGIS 3.12 expecting PROJ 6.3.1 which is
>> not yet available for Ubuntu (with or without ubuntugis).
>> >
>> > You might switch to the QGIS ubuntu-ltr repo, which contains QGIS
>> 3.10.3 at the moment.
>> >
>> > HTH,
>> > Andre Joost
>> >
>> > ___
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Re: [Qgis-user] Restore hidden project home in browser

[DelazJ]

Hi Anita,

Settings --> Options --> Data Source --> Hidden Browser path  should help

Regards,
Harrissou

Le mer. 19 févr. 2020 à 09:59, Anita Graser  a écrit :

> Hi,
>
> I made a wrong click and selected "hide from browser" for the project
> home. How can I undo this mistake?
>
> Thanks
> Anita
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Re: [Qgis-user] Micro-Geometry Problems

[DelazJ]

Hi,
There's also a "snap geometries to layer" Processing algorithm in QGIS that
could be worth a look.
https://docs.qgis.org/3.4/en/docs/user_manual/processing_algs/qgis/vectorgeometry.html#snap-geometries-to-layer

Regards,
Harrissou

Le mer. 15 janv. 2020 à 08:34, Hernán De Angelis  a
écrit :

> Steve,
>
> In my opinion this is where GRASS topological vector model shines. One
> suggestion would be to import these vectors into a GRASS location and let
> GRASS clean the polygons and fix the topology automatically during import.
> My experience with similar problems is that after the import and cleaning
> there would be few if any errors of the sort you mention. In the worst case
> any surviving error is found it could in principle be solved by deleting
> the stubborn surface and digitizing it again. It will definitely not take
> two weeks of work!
>
> Good luck!
>
> H.
>
>
> On 2020-01-14 22:51, smiller...@cfl.rr.com wrote:
>
> All-
>
>
>
> I have digitized a land use/land cover layer as individual polygons.  The
> snap options were used and, for most vertices, the snap was precise.  A
> vertex in polygon A has a precise match to a vertex in neighboring polygon
> B.
>
>
>
> But in 582 out of 2799 polygons, there are mis-matches in adjoining
> vertices that are only evident if you zoom into the layer at a
> magnification (i.e., a scale) of from 2:1 to 4 to 1.  I have spent
> a couple of weeks trying to remedy these by hand using the Vertex Tool and
> other means.  My question is this: is there an automated way in QIS to
> detect and remedy these situations?
>
>
>
> Thanks,
>
> Steve Miler
>
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Re: [Qgis-user] QGIS slows PC to a point it is unusable

[DelazJ]

Hi Peter,

Bernhard earlier suggested to run QGIS under a new user profile without any
third party plugins, because some plugins used to slow down QGIs due to
wrong memory management. Might be worth giving a shot if you didn't yet?

Regards,
Harrissou


Le ven. 10 janv. 2020 à 16:45, Peter Cornelissen 
a écrit :

> HI Nicolas
>
> Thanks. I'm not happy about messing with the bios though, I think I'll
> leave that and consider a new laptop with more memory. I'll see how it goes
> using GeoPackage to startw thi and take it from there.
>
> Peter
> --
> *From:* Nicolas Cadieux 
> *Sent:* 10 January 2020 12:42
> *To:* Peter Cornelissen 
> *Cc:* Alexandre Neto ; QGIS User <
> qgis-user@lists.osgeo.org>
> *Subject:* Re: [Qgis-user] QGIS slows PC to a point it is unusable
>
> Hi,
>
> Try going into the computer bios. Perhaps you can reduce the memory
> allocation for the video card.  Nice to know GeoPackage option seems to
> help.
>
> Nicolas Cadieux
>
> Le 10 janv. 2020 à 03:01, Peter Cornelissen  a
> écrit :
>
> 
> Sorry I meant to say that the memory IS the problem!!
>
> On 10 Jan 2020 07:58, pe...@cornelissen.org.uk wrote:
>
> Hi guy
>
> Thanks for the feedback. I've checked and as my PC slows down it reaches
> the point where QGIS is using 79% of the memory, so there's no problem.
> Unfortunately there's not much I can do about it as it is a laptop and is
> already at its maximum of 8GB and is using 1.8GB for the video. I'll
> rebuild using Geo Packages as that seems like the way forward. I can't
> really make use of PostGIS as I need to port to QField.
>
> Peter
>
> On 9 Jan 2020 23:54, Nicolas Cadieux  wrote:
>
> Hi,
>
> You are likely running out of memory.  Do a control-alt-delete and look at
> the memory usage.  Look at the memory, disk and cpu usage before starting
> QGIS and once the project is loaded and working.  Turn off unwanted
> plugins.  Make sure you don’t have a virus or some background process using
> your cpus. You should probably have 8 to 16 GB of memory.  Is this a
> laptop?  Is the laptop sharing the video memory with the system memory?
>
> Nicolas Cadieux
>
> Le 9 janv. 2020 à 18:21, Alexandre Neto  a écrit :
>
> 
> Hi Peter,
>
> Try to use Spatialite, Geopackage or (even better) PostGIS to store your
> data and create indexes both on the geometries, but also on the fields used
> on the rules you mentioned. That can give you a nice boost.
>
> Hope it helps,
>
> Alexandre Neto
> QGIS Support
> www.QCooperative.net
> 
>
> A quinta, 9/01/2020, 20:42, Peter Cornelissen 
> escreveu:
>
> Hi
>
> I am finding that although my ShapeFIle tables in QGIS are not huge, my
> Windows 10 PC virtually comes to a grinding halt and becomes unusable once
> I get to something like 50 layers. I am using about 6 or 7 ShapeFiles with
> different filters. I think it is related to the fact that approx. most of
> them having a rule based styles, some with about 20 rules per layer.
>
> Restarting the PC sorts things out for a while, but soon as I start
> working on the project it quickly gets slower and again comes to a point
> where it again slows right down.
>
> I've not seen anything relate to this issue online and I've seen tables
> which must be huge. Is it likely to be my PC or am I using the wrong
> methods? Would I be better using SpatiaLite to store the tables?
>
> Thought?
>
> Peter
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Re: [Qgis-user] Change language setting

[DelazJ]

Hi David,

QGIS is the application; You need to restart QGIS.

Regards,
Harrissou

Le ven. 10 janv. 2020 à 15:04, david cebrian  a
écrit :

> Dear all,
>
> Quick question from me. I have this morning downloaded the latest version
> of QGIS, as I am going to start doing my first course on gis. I am trying
> to change the language setting to Spanish and happens the following: it
> clearly says Enabling/changing override on locale requires an application
> restart. The issue is that It doesn't give ant option to run the
> application, nor is telling me which application.
>
> Any suggestion is very welcome!
>
> I downloaded version qgis 3.10.1 .
>
> Many thanks in advance.
>
> David
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Re: [Qgis-user] qgis.org down?

[DelazJ]

Hi,

Seems that only the English version is broken here. I can browse other
languages.
FWIW, I'm not sure if it's related but the source in github is broken, as I
reported yesterday.

Regards,
Harrissou

Le ven. 13 déc. 2019 à 05:35, Paolo Cavallini  a
écrit :

> I confirm from Italy.
>
> On 13 December 2019 04:52:12 CET, Ujaval Gandhi <
> uja...@spatialthoughts.com> wrote:
>>
>> The qgis.org main site is down and not accessible. Can someone have a
>> look?
>>
>>
>> Ujaval Gandhi
>> Spatial Thoughts
>>
>>
>>
> --
> Please excuse my brevity.
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Re: [Qgis-user] QGIS Lisboa

[DelazJ]

Hi,

You'll find it at https://qgis.org/downloads/
But may I ask why you are looking for that so old version? QGIS has
released pretty newer and better versions since... They are available at
the URL above or at https://qgis.org/en/site/forusers/download.html

Regards,
Harrissou

Le mer. 4 déc. 2019 à 16:23, sonja Hoppstaedter 
a écrit :

> Hallo I am surching for QGIS 1.8.0 Lisboa. Is there a Version for Windows
> 10 64 bit ?
>
>
>
> Greetings Sonja from Osnabrueck Germany
>
>
>
> Gesendet von Mail  für
> Windows 10
>
>
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Re: [Qgis-user] Change the datasource of a layer

[DelazJ]

Hi Andreas

Le mer. 13 nov. 2019 à 10:44, Andreas Neumann  a
écrit :

> Hi Bruno,
>
> There is a Python Plugin available called "changeDataSource" from Enrico
> Ferreguti that allows you, after installation, to right-click on a layer
> and change it's source - or globally for all layers in a project by
> clicking on the plugin icon.
>
> Maybe you can try this.
>
> But I agree, it would be nice, if such functionality would be in QGIS
> core. If there is no feature request yet, it would be useful to open one.
>
The feature seems to be there already though I fail to find who implements
it, browsing all the recent changelogs.

> Thanks,
> Andreas
>
> On 2019-11-13 10:30, bru...@mailbox.org wrote:
>
> Hi there!
> In QGIS 3.10 it is nice and easy to change a broken the data source of a
> layer by clicking on the warning sign in the layers list.
> How can I change a non broken datasource? There is no button in the Source
> tab of Layer Properties...
>
> Should I open a feature request on github?
> Thank you
> Bruno
>
> Bruno Streit
> Bahnstrasse 163
> 3008 Bern
> 077 440 92 43
>
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Re: [Qgis-user] Change the datasource of a layer

[DelazJ]

Hi Brunos,
See in the Layers panel: right-click the layer, there's an option to change
the datasource by default

Harrissou

Le mer. 13 nov. 2019 à 10:42, Bo Victor Thomsen 
a écrit :

> You can install plugin: "ChangeDataSource", which gives you a layer "right
> click" function to change a vector layers datasource
> --
>
> Med venlig hilsen / Kind regards
>
> Bo Victor Thomsen
>
> Den 13-11-2019 kl. 10:30 skrev bru...@mailbox.org:
>
> Hi there!
> In QGIS 3.10 it is nice and easy to change a broken the data source of a
> layer by clicking on the warning sign in the layers list.
> How can I change a non broken datasource? There is no button in the Source
> tab of Layer Properties...
>
> Should I open a feature request on github?
> Thank you
> Bruno
>
> Bruno Streit
> Bahnstrasse 163
> 3008 Bern
> 077 440 92 43
>
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Re: [Qgis-user] New QGIS windows packages (was: GeoPDF creation greyed out)

[DelazJ]

Aaahh! When i update a couple of hours ago, I got a message about a
probable missing gdal 2.4 (sorry I did not remember the exact content) at
the end of the installation. Then qgis-ltr-dev does not seem to launch
(either the .bat or the .exe). I get a
*Could not load qgis_app.dll*
*Windows error: the specified module can not be found.*
and an invitation to check the qgis-ltr-dev-bin-g7.env file for correct env
paths (I don't know what I should see there: i compared with qgis-bin and
qgis-dev-bin and saw no obvious culprit to me )

I thought it's due to gdal2.4 missing, now I'm lost.

Harrissou

Le mar. 12 nov. 2019 à 10:59, Jürgen E. Fischer  a écrit :

> Hi Harrissou,
>
> On Tue, 12. Nov 2019 at 10:37:42 +0100, DelazJ wrote:
> > Thanks to all for the effort. I know a lot of people that would be
> happy...
>
> > Jürgen, just to be sure i understand what's happening, that means that
> 3.4
> > LTR (as well as anything < 3.10) installed through osgeo4w would not
> work,
> > right? Given that gdal 2.4 is replaced with 3.1. Not a big deal. Just
> want
> > to be sure the standalone would be my single and last resort.
>
> No, 3.4 is also built with GDAL 3.0.2.
>
>
> Jürgen
>
> --
> 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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Re: [Qgis-user] New QGIS windows packages (was: GeoPDF creation greyed out)

[DelazJ]

Hi
Thanks to all for the effort. I know a lot of people that would be happy...

Jürgen, just to be sure i understand what's happening, that means that 3.4
LTR (as well as anything < 3.10) installed through osgeo4w would not work,
right? Given that gdal 2.4 is replaced with 3.1. Not a big deal. Just want
to be sure the standalone would be my single and last resort.

Regards,
Harrissou

Le lun. 11 nov. 2019 à 18:45, Paolo Cavallini  a
écrit :

> Big kudos to Juergen. Let's remember this is all voluntary work, a very
> precious one.
> Cheers.
>
> Il 11/11/19 18:43, Régis Haubourg ha scritto:
> > Wooot! Thanks Jürgen:)
> >
> > Le lun. 11 nov. 2019 à 18:38, Jürgen E. Fischer  a écrit
> :
> >>
> >> Hi,
> >>
> >> new OSGeo4W packages and standalone installers[0] with support for GDAL
> 3,0.1,
> >> PROJ 6.2.1 and GRASS 7.8.1 are out.
> >>
> >> So the GeoPDF creation in 3.10 should now also be available to Windows
> users.
> >>
> >>
> >> Jürgen
> >>
> >> [0] as always from the OSGeo4W packages.
> >>
> >> --
> >> 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)  GermanyIRC: jef on
> FreeNode
> >>
> >> ___
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Re: [Qgis-user] QGIS 3.10 GeoPDF creation greyed out

[DelazJ]

Hi,

Confirmed here too with osgeo4w: 3.10 has greyed geopdf but master shows it
fine. Issue imho is that qgis 3.10, identified as qgis, is built with gdal
2.4 (as 3.8 was) while qgis 3.11 aka qgis_dev is built with gdal_dev (3.1)

Harrissou

Le lun. 28 oct. 2019 à 11:39, Philip Barlow <
phil...@pembrokeshirecoast.org.uk> a écrit :

> Hi Andreas,
>
>
>
> Yeah had the same result from the standalone installer, greyed out and the
> message about needing GDAL 3.0.
>
>
>
> No worries, thanks for the suggestions.
>
>
>
> Phil
>
>
>
> *From:* Andreas Neumann [mailto:a.neum...@carto.net]
> *Sent:* 28 October 2019 10:29
> *To:* Philip Barlow
> *Cc:* qgis-user@lists.osgeo.org
> *Subject:* Re: [Qgis-user] QGIS 3.10 GeoPDF creation greyed out
>
>
>
> Hi Phil,
>
> Yes, 2.4.1 is too old. You need 3.0 or higher.
>
> Did you also try the standalone installer whether that contains the
> correct GDAL version?
>
> Unfortunately, I don't have a Windows computer at hand for testing myself.
>
> Andreas
>
> On 2019-10-28 11:08, Philip Barlow wrote:
>
>
>
> Hi Andreas,
>
>
>
> I'm on Windows 10. According to the OSGeo4W I've got gdal-dev installed
> (version 3.1.0-137) and 2.4.1-1 of gdal/ogr lib.  Doesn't seem to be an
> option to update the latter.  I assume that the Windows standalone version
> must have been packaged with an earlier version of GDAL as well? As that
> comes with its own dependencies (I'd have to re-install that one and
> check).
>
>
>
> Phil
>
> *From:* Andreas Neumann [mailto:a.neum...@carto.net]
> *Sent:* 28 October 2019 10:01
> *To:* Philip Barlow
> *Cc:* qgis-user@lists.osgeo.org
> *Subject:* Re: [Qgis-user] QGIS 3.10 GeoPDF creation greyed out
>
>
>
> Hi Phil,
>
> What gdal version do you have? What OS/platform are you on?
>
> GeoPDF requires a fairly recent version of GDAL. If that is not available,
> it will be greyed out.
>
> Andreas
>
> On 2019-10-28 10:46, Philip Barlow wrote:
>
>
>
> Hi all,
>
>
>
> Has anyone been able to get Geospatial PDF export working? I had it
> working on a nightly build a little while back but now I've installed the
> release version of 3.10 the option seems to be greyed out in both the
> OSGeo4W installed version and the standalone version.
>
>
>
> Phil
>
>
>
>
>
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Re: [Qgis-user] assign a symbol based on property in layer

[DelazJ]

Hi Matt,
In the vector layer properties, categorized symbology, at the bottom right
of the dialog, you have an "Advanced" drop-down menu with options like "*Match
to saved symbols" *or *"Match to symbols from file"* that should help you
achieve what you want.

Regards,
Harrissou

Le jeu. 24 oct. 2019 à 01:35, Matt Boyd  a écrit :

> Hi QGISers,
> I've got some shapefiles that have a symbology reference embedded in them.
> I've also got a set of symbols that have the same name as the specific
> symbology references. I haven't been able to work out how to get qgis to
> automatically select the symbology reference. I can manually assign each
> one and then save that as a qgis style for use later but there are a lot of
> these and I possibly have other use cases.
>
> This would be useful for assigning colours based on geology in surface
> maps.
>
> Any tips?
>
> Thanks
> Matt
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Re: [Qgis-user] changing layout composition

[DelazJ]

Hi,
Right-click --> Page properties (see
https://docs.qgis.org/3.4/en/docs/user_manual/print_composer/overview_composer.html#updating-page-properties
)

Harrissou

Le ven. 11 oct. 2019 à 15:42, Boaz Bar Ilan  a écrit :

>  hi
>  i use  3.4.5
>  i cant find the place to change the layout to vertical a4 printing
> is there a way  ?
>  thanks
> boaz
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Re: [Qgis-user] Clone plugin repository

[DelazJ]

Hi,
Jerry, are you sure you need to clone the repository if your aim is simply
to install? Any pointers to the link you find the instructions? I'm asking
because of this: https://www.orfeo-toolbox.org/download/

Regards,
Harrissou

Le ven. 27 sept. 2019 à 08:58, Alexandre Neto  a
écrit :

> Hi,
>
> You need to install git
>
> https://git-scm.com/book/en/v2/Getting-Started-Installing-Git
>
> Then using your OS terminal (linux and mac), or git bash (on windows),
> navigate to a desired folder and run the command mentioned command.
>
> After that, you will have the plugin files copied into your computer at
> the designated folder.
>
> Alexandre Neto
> QGIS Support
> www.qcooperative.net
>
> A sexta, 27/09/2019, 04:28, Jerry Ng 
> escreveu:
>
>> Dear All,
>>
>> I am trying to install the Orfeo Tools in Windows. The menu said:
>>
>> For Windows, clone qgis-otb-plugin repository to
>> C:\qgis-plugins\qgis-otb-plugin
>>
>> git clone https://gitlab.orfeo-toolbox.org/orfeotoolbox/qgis-otb-plugin
>>
>> But, how can I execute the command "git clone https://gitlab..; ??
>>
>> Anyone can help, please.
>>
>> Best Regards,
>> Jerry
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Re: [Qgis-user] No vector menu available - v3.4

[DelazJ]

Hi,
what is the version of macOS and which installer did you use?
Maybe same issue as https://github.com/qgis/QGIS/issues/31906?

Regards,
Harrissou

Le jeu. 26 sept. 2019 à 23:42, Alexandre Neto  a
écrit :

> Hi,
>
> Try opening QGIS with a brand new profile.
> Settings > User profiles > New profile
>
> Alexandre Neto
> www.QCooperative.net
>
> On Thu, Sep 26, 2019 at 8:32 PM Erich Purpur  wrote:
>
>> Hi all-
>>
>> I've installed QGIS 3.4 on my Mac. I don't have any vector or processing
>> menu. In the plugins menu under "settings" I have the following:
>>
>> "The settings on this tab are only applicable for Python Plugins. No
>> python support detected, thus no settings available".
>>
>> I do have python 3.6 installed.
>> I've tried to troubleshoot this problem in the following ways:
>>
>> -reinstalling QGIS
>> -Under QGIS > preferences > system, adding the following custom variable
>> under the environment section:
>>
>> [image: ETFzK.png]
>>
>> This is as directed by several StackOverflow threads, etc. But no change.
>>
>> Is there anything else I am missing?
>>
>> Thank you for your time,
>>
>> Erich Purpur
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Re: [Qgis-user] 1 to many relationship does not allow to display the many

[DelazJ]

You mean, it's the selected field in the primary key drop-down menu in DB
manager when you want to add the layer?

Le jeu. 19 sept. 2019 à 16:42, Janneke van Dijk  a
écrit :

> Hi Harrissou,
> Thanks for the quick response - indeed, I indicated the assetid which is a
> unique value. That did not solve the problem, alas...
> Janneke
>
> On 19/09/2019 17:31, DelazJ wrote:
>
> Hi Janneke,
>
> Maybe you need a field that would uniquely identify the 170 asset rows
> (their primary key). You can use an ID field of your asset layer or
> construct one with row_number function?
>
>
> Regards,
> Harrissou
>
> Le jeu. 19 sept. 2019 à 16:10, Janneke van Dijk 
> a écrit :
>
>> Dear list,
>>
>> I have a parent - child relationship set up between a table location (1,
>> the parent) and a table assets (many, the child). The location table
>> contains geometry, the asset table does not. I would like to be able to
>> display each record in the asset table with the corresponding geometry
>> of the location table - so if there are 3 assets at a certain location,
>> I would like to display 3 points (each with identical geometry).
>>
>> What I can do with the DB manager is:
>>
>> select location_point.geom, asset_point.assetid, location_point.fid
>> from asset_point cross join location_point on asset_point.locationid =
>> location_point.fid
>>
>> this query yields 170 records, corresponding with the number of records
>> in the assets table. When I load as a new layer, the result is a table
>> with 170 records, but 100 filtered (the total number of locations). I
>> chose assetid to be the unique id (which it is).
>>
>> Is that expected behaviour? How else can I display all the records in
>> the assets table (instead of only the 100 that are filtered now)? I know
>> I can do it in Postgres but for my purpose now I don't want to go there.
>>
>> Any insights deeply appreciated!
>>
>> Janneke
>>
>>
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Re: [Qgis-user] 1 to many relationship does not allow to display the many

[DelazJ]

Hi Janneke,

Maybe you need a field that would uniquely identify the 170 asset rows
(their primary key). You can use an ID field of your asset layer or
construct one with row_number function?


Regards,
Harrissou

Le jeu. 19 sept. 2019 à 16:10, Janneke van Dijk  a
écrit :

> Dear list,
>
> I have a parent - child relationship set up between a table location (1,
> the parent) and a table assets (many, the child). The location table
> contains geometry, the asset table does not. I would like to be able to
> display each record in the asset table with the corresponding geometry
> of the location table - so if there are 3 assets at a certain location,
> I would like to display 3 points (each with identical geometry).
>
> What I can do with the DB manager is:
>
> select location_point.geom, asset_point.assetid, location_point.fid
> from asset_point cross join location_point on asset_point.locationid =
> location_point.fid
>
> this query yields 170 records, corresponding with the number of records
> in the assets table. When I load as a new layer, the result is a table
> with 170 records, but 100 filtered (the total number of locations). I
> chose assetid to be the unique id (which it is).
>
> Is that expected behaviour? How else can I display all the records in
> the assets table (instead of only the 100 that are filtered now)? I know
> I can do it in Postgres but for my purpose now I don't want to go there.
>
> Any insights deeply appreciated!
>
> Janneke
>
>
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Re: [Qgis-user] Question about Weighting Power value when running Grid-Inverse Distance to a Power

[DelazJ]

Hi,
Tracking information from the Help button in the algorithm dialog led me to
https://gdal.org/tutorials/gdal_grid_tut.html#inverse-distance-to-a-power

Hope that helps,
Harrissou

Le mar. 17 sept. 2019 à 12:00, Daniel Zepeda Rivas  a
écrit :

> When using the Raster -> Analysis -> Grid (Inverse Distance to a Power)
>
> At the menu just before pressing run, can somebody please explain me the
> effect of the "Weighting power" option in the interpolation process?
>
> I'm trying to make a temperature map based on points representing each
> weather station, containing the yearly averages values of temperature, and
> when moving the number from the 2 (set it by default) to 4, 6 or 10, the
> map changes significantly
>
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Re: [Qgis-user] Shortest path caching

[DelazJ]

Hi,

Le lun. 16 sept. 2019 à 15:25, Nicolas Cadieux 
a écrit :

> Hi,
>
> You could go with NetworkX, a python library.  With that, you can build
> the graph on the fly and maintain it as roads or edges get added and
> removed.
>
> You can probably do this with QGIS but the biggest problem I found with
> QGIS is the lack of documentation for using the network analysis tools
> using the latest versions. Everything is, or was documented for version
> 2.x.  Also, when using the processing tools in a batch, the graph gets
> rebuilt every time this should not happen.
>
> Nicolas, about the lack of documentation, you meant the tools in the
processing toolbox [0] or the pyQGIS cookbook [1]. I'm not sure there's
anything missing in the former (and maybe Paul could find some answers)
and, for the latter (which is horribly outdated), it's the usual lack of
skilled people to provide necessary documentation. Because some parts of
the docs are specialized, they require advanced users to help us update. If
we are giving a txt (or whatever open format) file updating the section,
I'm happy to push it and update that page too.

[0]
https://docs.qgis.org/testing/en/docs/user_manual/processing_algs/qgis/networkanalysis.html
[1]
https://docs.qgis.org/testing/en/docs/pyqgis_developer_cookbook/network_analysis.html

Regards,
Harrissou

> For those reasons, I went with NetworkX python library.  Out of curiosity,
> how many edges are you dealing with? How many queries?
>
> Nicolas
>
>
>
>
>
> Le 16 sept. 2019 à 08:03, Paul Wittle 
> a écrit :
>
> Hi,
>
>
>
> I’m aware that you can use things like the pgRouting plugin for shortest
> path calculations but when looking at the default functions is there a
> sensible way to speed up the calculations?
>
>
>
> I’ve just run a couple of tests using an Oracle database based routing
> layer and it runs but seems to take a long time to build the graph. I
> wondered if there is a plugin which stores some sort of optimised network
> to speed up the process or perhaps a type of index I could put on the
> network?
>
>
>
> At present the network is big so I guess perhaps some form of clip then
> run process might be helpful?
>
>
>
> I just thought I’d email to see what others do as I’ve not looked at
> routing in QGIS for some years now and I’d prefer to avoid more complex
> options such as pgRouting if possible.
>
>
>
> Thanks,
>
> Paul
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Re: [Qgis-user] Snapping Tool (Fangtool) not found in QGIS 3.8

[DelazJ]

Hi Alissa,

In QGIS 3, this is under the Project menu (Project --> Snapping options)

Regards,
Harrissou

Le ven. 13 sept. 2019 à 13:37, Bauer, Alissa 
a écrit :

> Dear fellow QGIS users,
>
>
>
> I encountered a problem with finding the snapping tool (Fangen) for vector
> layers in QGIS 3.8 (Zanzibar) on Windows 10, 64bit. Not only is the tab
> ‚snapping options‘ under settings missing, but also the sub-menu
> (Settings>Options>Digitizing) does not show any settings for snapping.
>
> Maybe I did not install the necessary plugins or I have to change
> something in the general settings, but any help/tips/ideas would be highly
> appreciated as I am absolutely clueless. Also any alternatives for this
> tool could be helpful!
>
>
>
> Thank you all in advance!
>
>
>
>
>
> Cheers,
>
>
>
> Alissa
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Re: [Qgis-user] Rename columns / merge layers

[DelazJ]

Hi,
In the Joins properties dialog, you can remove the "custom field name
prefix".
https://docs.qgis.org/3.4/en/docs/user_manual/working_with_vector/vector_properties.html#joins-properties

Regards,
Harrissou

Le ven. 6 sept. 2019 à 17:44, Felix Schott  a écrit :

> Hey,
>
>
>
> I want to merge several layers into one layer (Vector menu > Data
> Management Tools). The input layers have csv files as external attribute
> tables (attached to the layer via Layer properties > Joins). Columns taken
> from the csv files are getting displayed as _ name>. For this reason, the column names of the layers don’t match and the
> resulting layer has a separate column for every input file. I tried to get
> rid of  using Layer properties > Fields but I get an error
> („Could not rename field.“).
>
>
>
> Any idea how to solve this?
>
> Thanks a lot!
>
>
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[Qgis-user] Select/extract by location algorithm with same input layers (un)expected results?

[DelazJ]

Hi,
I don't know whether it's an issue to file or a design so i'm asking
beforehand.

If you use select by location algorithm with the same layer as source and
comparing, and select a predicate like "within" for example, it returns all
the features since it considers a feature to be within itself. Logical but
this means that you can not rely on this tool to check whether there are
features in the same layer that are within others.
This applies to most of the other geometric predicates, making them useless
in this context.

Question: Should the algorithm not skip same features comparison when we
use the same data source? Or are there other tools for features comparison
if the layers are the same?

Regards,
Harrissou
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Re: [Qgis-user] failing to do clip

[DelazJ]

Hi,
As suggested by the error message, I'd say in the Processing settings, ie
menu Settings -> Options -> Processing -> General.
That said, finding the invalid feature or running the repair geometry
algorithm beforehand could be a better solution than disabling anything
related to the invalid geometry.

Regards,
Harrissou

Le sam. 17 août 2019 à 21:37, Nicolas Cadieux 
a écrit :

> Hi,
> I’am not sure that option is actually in QGIS... (never found it). Maybe
> try to find the invalid geometry using the various tools? Look under
> processing for the tools.
> Nicolas
>
> Le 17 août 2019 à 15:07, Boaz Bar Ilan  a écrit :
>
> hi
>
> im trying to clip two layers ans get the message
>
> Feature (89595) has invalid geometry. Please fix the geometry or change
> the Processing setting to the "Ignore invalid input features" option.
>
> where is this option ?
> thanks
> boaz
>
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Re: [Qgis-user] Rank based on attributes for field

[DelazJ]

Hi,
Depending on the version you are running (i don't know if all the functions
are in 3.4, otherwise you have the "array plus" - I think- plugin),
*array_find(
array_reverse( array_agg( "$area",order_by:= "$area") ), "$area") +1 *might
do the trick
array_agg will create a "list" of the features surface in your dataset,
ordered from the smallest to the largest
array_reverse is obvious I think
and array_find will return the order in which the current feature's area
appears in the list. The index is 0 based.

Hope that helps,
Harrissou

Le jeu. 25 juil. 2019 à 17:09, GILLEN Finbar  a
écrit :

> Hi,
>
>
>
> I'd like to create a new field in the attribute table which gives the rank
> of a polygon based upon a figure in another field.
>
>
>
> For example, the polygon of the largest figure would be rank 1 and the
> smallest rank N.
>
>
>
> Is there any way to do this.. can’t see a function in the field calculator.
>
>
>
> Regards
>
> Finbar
> *
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Re: [Qgis-user] Using QgsAuthManager

[DelazJ]

Hi,

Le mer. 24 juil. 2019 à 14:20, Paul Wittle 
a écrit :

> Hi,
>
>
>
> I’m trying to use python to assign an authentication configuration to a
> WMS layers that I’m adding. I have been using the following guide
> https://docs.qgis.org/3.4/en/docs/pyqgis_developer_cookbook/authentication.html#leave-authcfg-expansion-to-qgsauthmanager
> .
>
>
>
> I had to update a few bits as I think some of the code maybe a little out
> of date but I managed to get it all working right down to the section I’ve
> linked to.
>
>
>
> The line  “rlayer = QgsRasterLayer(quri.encodedUri(), 'states', 'wms')”
> was resulting in an unexpected type error as encodedUri returns a
> QByteArray rather than a string but I just wrapped it in
> str(quri.encodedUri()) and that now returns as a string.
>
>
>
Paul, can you share all the changes you had to do, so that we can update
the docs? Or is the line above the only one you had to change?
A direct change to the source file (
https://github.com/qgis/QGIS-Documentation/edit/master/source/docs/pyqgis_developer_cookbook/authentication.rst)
with a pull request for merging would be the most practical way but we'd
also welcome changes within a text-like file or in this thread.

Thanks,
Harrissou

The only trouble is that the getCapabilities statement fails and no layer
> is added.
>
>
>
> Does anyone know how I can see whether the AuthManager attempted to expand
> the authcfg and send credentials as I suspect it didn’t in my case?
>
>
>
> Sorry if this email is too much along the developer lines for this mailing
> list but it is only plugin development rather than actual development of
> the application itself so I thought I’d try my luck.
>
>
>
> Thanks,
>
> 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
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> the sender immediately. All traffic may be subject to recording and/or
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Re: [Qgis-user] Linking label colour to line colour?

[DelazJ]

Hi Bernd
You might be looking for the @symbol_color variable (
https://docs.qgis.org/testing/en/docs/user_manual/working_with_vector/expression.html?highlight=symbol_color#variables-functions
)

Regards,
Harrissou

Le 10 juin 2019 21:11:18 GMT+02:00, Bernd Vogelgesang <
bernd.vogelges...@gmx.de> a écrit :
>
> Hi,
>
> is there an "easy" way to somehow show the label of a line in the same
> colour as the line itself?
>
> I have a layer of 50somewhat lines which mark overlapping areas. To be
> able to better differenciate between those on a map, I would like to
> give the labels of the line feature the same colours as the lines
> themselves (sounds reasonabe).
>
> The lines are just random coloured as categorical by their unique name.
> Can I somehow get the information of the line colour, so I can set the
> label colour data-driven by some expressions or so?
>
> Cheers,
>
> Bernd
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Re: [Qgis-user] Date formula in Layout label

[DelazJ]

Hi,

Reading the help of the format_date function, the second argument should be
a string, and I'm not sure that "-MM-dd HH:mm" is necessarily read as
string in this context. I actually don't know what it's read as.

Le mar. 11 juin 2019 à 11:19, Patrick Dunford  a
écrit :

> It works, but it makes no sense
>
> Then please open an issue report if not yet done, to get it fixed.

Regards,
Harrissou

> Anyway thanks
> On 11/06/19 12:30 AM, Phil Wyatt wrote:
>
> Hi Patrick,
>
>
>
> Try changing the double quotes to single quotes and I think it should work
> (in QGIS3)
>
>
>
> format_date( $now,'-MM-dd HH:mm')
>
>
>
> Cheers - Phil
>
>
>
> *From:* Qgis-user [mailto:qgis-user-boun...@lists.osgeo.org
> ] *On Behalf Of *Patrick Dunford
> *Sent:* Monday, 10 June 2019 8:31 PM
> *To:* qgis-user ML
> *Subject:* [Qgis-user] Date formula in Layout label
>
>
>
> Good day
>
> When I create a layout and put a text label in it I want to be able to
> show the current date using a formula. This formula can look something like
> [%format_date( $now,"-MM-dd HH:mm")%]
>
> I have to put this in square brackets so that the formula is executed
> instead of it just appearing as plain text. However when displayed on the
> page, the square brackets are included in the output. How do I get rid of
> them so that I just have the numbers of the date and time displayed?
>
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Re: [Qgis-user] problem with older version

[DelazJ]

Hi,
>From what I understand, he fails to open a 3.4 project in 2.18.
Unfortunately, this is "normal". Nothing amazing if I may. While 2.18 files
can be opened in 3.4 there's no guarantee for backwards compatibility, and
there's lesser since the API break (from 2.x to 3.0)
I'm not sure you can do anything with your project on 2.18.
The alternative is to stick to 3.4 and describe what were the issues you
faced and get them fixed (if QGIS is the culprit).

Regards,
Harrissou

Le lun. 27 mai 2019 à 11:05, Régis Haubourg  a
écrit :

> Hi,
> please share screenshot before / after and create an issue in
> https://github.com/qgib/QGIS/issues
> I suggest you to read carefully the issue template that will help you to
> be understood by other contributors around.
> I' afraid without more precise description, nobody can help
> Best regards
> Régis
>
> Le lun. 27 mai 2019 à 10:22, Boaz Bar Ilan  a
> écrit :
>
>> hi
>>
>> I use win 10
>> I used to work with  few previous versions of qgis  in the last 3 years
>>  few month ago I started using 3.4.5 and set out a  new project with this
>> version
>> out of several reasons ( problem with synch my layers with the the local
>> survey ), I tried to use again 2.18.26 ( las palmas)
>> while trying to open the last  project  ( which  I did with 3.4.5 ) I was
>> amazed to see that   while opening the project, apart of  5 layer
>> /directories out of 32 directories and dozens of sub directories and layers
>> the layers that did appear don't have something in common  in relation to
>> what didn't appear.
>> I hope that I covered enough to get your help
>> I don't know what to write more
>> thanks
>>  boaz
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Re: [Qgis-user] Fix Geometries

[DelazJ]

Hi Jürgen,

I know that we don't have black box and this was certainly not the
appropriate term to use. Sorry. Still, most of the users have no means to
read the code but need to use any of these options. Without understanding
what they do, it becomes simply a click-click business (not empowering
them). So it could be nice we shed some light on them (maybe something for
a grant proposal?).

Greetings,
Harrissou

Le mer. 22 mai 2019 à 11:55, Jürgen E. Fischer  a écrit :

> Hi Harrissou,
>
> On Wed, 22. May 2019 at 11:03:56 +0200, DelazJ wrote:
> > *> The QGIS method is an internal method that can return multiple errors
> > and was > IIRC introduced, when GEOS could just report one error at a
> time
> > without a > location and we couldn't or didn't yet use it threaded.
> > Essentially it was > just made to highlight digitizing errors.  It might
> > miss some rules or > interpret some edge cases differently than GEOS.*
> >
> > So there are some historical reasons. Unfortunately, this does not seem
> > enough to clarify things and wouldn't deserve a place in the docs (I may
> be
> > wrong!).  If anyone has more details, please tell us. I think it could be
> > worth clarify and document the differences if they are clear enough or
> > merge the tools in the future if possible, avoiding confusion for users
> (we
> > should not have kind of black box ;) in QGIS).
>
> We don't have a blackbox.  The ultimate source of information about the
> QGIS
> method is the QGIS method:
>
> https://github.com/qgis/QGIS/blob/master/src/core/qgsgeometryvalidator.cpp
>
> But there isn't a comparison on what GEOS and that method do differently.
>
>
> Jürgen
>
> --
> Jürgen E. Fischer   norBIT GmbH Tel. +49-4931-918175-31
> Dipl.-Inf. (FH) Rheinstraße 13  Fax. +49-4931-918175-50
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Re: [Qgis-user] Fix Geometries

[DelazJ]

Hi,
Andreas, this is a question that I regularly see and let me quote an early
reply of Jürgen Fischer (on qgis-user list, 2017/04/27 in a discussion
entitled "Difference between QGIS and GEOS method?" - I fail to find the
discussion in the archives):





*> The QGIS method is an internal method that can return multiple errors
and was > IIRC introduced, when GEOS could just report one error at a time
without a > location and we couldn't or didn't yet use it threaded.
Essentially it was > just made to highlight digitizing errors.  It might
miss some rules or > interpret some edge cases differently than GEOS.*

So there are some historical reasons. Unfortunately, this does not seem
enough to clarify things and wouldn't deserve a place in the docs (I may be
wrong!).  If anyone has more details, please tell us. I think it could be
worth clarify and document the differences if they are clear enough or
merge the tools in the future if possible, avoiding confusion for users (we
should not have kind of black box ;) in QGIS).

Regards,
Harrissou


Le mer. 22 mai 2019 à 09:53, Andreas Wicht  a écrit :

> Hi,
>
> > The most predictable tool is the vector/geometry tools/Check validity
> > using the 'QGIS' Method (not GEOS).
>
> Is there actually a documentation/information on the difference of
> validation here or why one would want to use 'QGIS' instead of 'GEOS'
> for validation?
>
> https://docs.qgis.org/testing/en/docs/user_manual/processing_algs/qgis/vectorgeometry.html#check-validity
> does not provide much information on that.
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Re: [Qgis-user] Query cross-table "similar" time stamps?

[DelazJ]

Hi Bernd

I did not understand that you were looking for a way to create a virtual
layer. Virtual layers require SQL instructions and in this particular case,
I think you'll need window function (I don't know if supported by the
SpatiaLite provider in the backend and don't have time to give it a try).
This is quite a different thing.

>From what I understood you wanted to be able to join both layers. This is
what the expression I'm suggesting is meant to do:
#. Open the birds layer attribute table
# Use the field calculator button to add a new (virtual?) field (it will be
used store the track id)
#. Populate the field using the provided expression

attribute(get_feature ('track_points','time', aggregate(
layer:='track_points',

aggregate:='max',

expression:="time",

filter:="time"< attribute(@parent, 'time'))),'fid')

#. Apply


This expression is a kind of WHERE clause so basically we say *update
bird_layer set yournewfield=fid from track_points where
whatisinget_featureparenthesis*. @parent indeed is a imho hidden variable
that refers to the feature in the bird layer. [0]

What dialect is it? QGIS' (highly inspired from sql... (and python?)). I
don't know if it has a proper name and there's no better doc as far as I
know than looking at the functions' help in the expression dialog and
practice. You quickly get the logic. You also have some samples in the user
manual [2]. And probably in some tutorials out there.

Yes single or double quotes are important and have their meaning [3]


Then you can do whatever you want with this field (label, symbolize with
geometry generator [1] eg line connecting track_point and bird, the usual
join of layers...)

PS: I did not test your data since the date formatting I had in the
temporary layers I used was the same as in your picture (that i only viewed
after I sent my first reply)


[0]
https://docs.qgis.org/3.4/en/docs/user_manual/working_with_vector/expression.html#variables-functions
actually polished at https://github.com/qgis/QGIS-Documentation/pull/3753
[1]
https://docs.qgis.org/3.4/en/docs/user_manual/working_with_vector/style_library.html#the-geometry-generator
[2]
https://docs.qgis.org/3.4/en/docs/user_manual/working_with_vector/expression.html
[3]
http://osgeo-org.1560.x6.nabble.com/SQL-Expressions-tp5190508p5196052.html

Hope that helps,
Harrissou

Le lun. 20 mai 2019 à 19:42, Bernd Vogelgesang  a
écrit :

> Am 18.05.19 um 11:42 schrieb DelazJ:
>
> Hi Bernd,
> Hum.. interesting. Assuming you have two layers: *tracks (id_track,
> date_track)* and *birds(id_bird, date_bird)*, the idea is to get the id
> of the highest among the date_track(s) lower than the date_bird for each
> bird. Am I right?
> I gave it a shot and i think i have some working expression. Here I
> display the matching track id in birds labels
>
> attribute(
>   get_feature ( 'tracks',
>   'date_track',
>   aggregate( layer:='tracks',
>   aggregate:='max',
>   expression:="date_track",
>   filter:="date_track"<
> attribute(@parent, 'date_bird')
>   )
>  ),
>   'id_track'
> )
>
> I used temporary layers with datetime field.
> Now, without sample of dataset to actually see the date formatting issue
> you were afraid of...
>
> Hope that helps,
> Harrissou
>
> Hi Harrissou,
>
> I tried your expression in a virtual layer, but it throws an error
>
> Query execution error on CREATE TEMP VIEW _tview AS attribute(get_feature
> ('track_points','time', aggregate( layer:='track_points',
>
> aggregate:='max',
>
> expression:="time",
>
> filter:="time"< attribute(@parent, 'time'))),'fid'): 1 - near "attribute":
> syntax error
>
> Unfortunately, I have no clue at all how to debug this. Especially the
> part with single or double quotes ... is there any system in that? ;)
>
> As I can't see the bird point mentioned somewhere, I assume that @parent
> is the selected feature in the bird layer?
>
> What kind of "dialect" is spoken there, and is there any "dictionary" on
> this somewhere?
>
> Ok, will try to send some testdata with 105kb, hope it will go through. As
> both layers derive from gpx, their time columns are both named time.
>
> Cheers,
>
> Bernd
>
> Le ven. 17 mai 2019 à 20:34, Bernd Vogelgesang 
> a écrit :
>
>> Hi Mike,
>>
>> thank you for your hint, but the distance between the point and the
>> track is of no relevance for me.
>>
>> It seems that the screenshot I posted is a bit misleading
>> (https://i.stack.imgur.com/MqPhK.jpg). Seems I picked a point where the
>>

Re: [Qgis-user] Query cross-table "similar" time stamps?

[DelazJ]

Hi Bernd,
Hum.. interesting. Assuming you have two layers: *tracks (id_track,
date_track)* and *birds(id_bird, date_bird)*, the idea is to get the id of
the highest among the date_track(s) lower than the date_bird for each bird.
Am I right?
I gave it a shot and i think i have some working expression. Here I display
the matching track id in birds labels

attribute(
  get_feature ( 'tracks',
  'date_track',
  aggregate( layer:='tracks',
  aggregate:='max',
  expression:="date_track",
  filter:="date_track"<
attribute(@parent, 'date_bird')
  )
 ),
  'id_track'
)

I used temporary layers with datetime field.
Now, without sample of dataset to actually see the date formatting issue
you were afraid of...

Hope that helps,
Harrissou

Le ven. 17 mai 2019 à 20:34, Bernd Vogelgesang  a
écrit :

> Hi Mike,
>
> thank you for your hint, but the distance between the point and the
> track is of no relevance for me.
>
> It seems that the screenshot I posted is a bit misleading
> (https://i.stack.imgur.com/MqPhK.jpg). Seems I picked a point where the
> associated trackpoints are also the closest ones. But the information we
> need is the time, where the observer was when taking the observation.
> And this might also be on a more distant location.
>
> Furthermore, I do not intend to create a new layer. I'm just looking for
> a way to highlight the track point(s) which compare best by time with
> the selected observation point.
>
> So, still coulnd't find out how to query points in another layer through
> an expression/ function, and in case I'll find out, how to compare it
> with datetime values.
>
> Cheers,
>
> Bernd
>
> Am 16.05.19 um 13:28 schrieb Mike Flannigan:
> >
> > Hi,
> >
> > I'm thinking this is easier done outside of QGIS, but if you
> > want to do in within QGIS this is one way:
> > https://www.qgistutorials.com/en/docs/nearest_neighbor_analysis.html
> >
> >
> > Mike
> >
> >
> > On 5/15/2019 1:17 PM, qgis-user-requ...@lists.osgeo.org wrote:
> >> Hi folks,
> >> I'm sure there must be some "easy" solution, but hours of searching
> >> provided no examples I could learn from to develop a solution:
> >>
> >> I have a point layer of bird observations and a GPS-track recorded while
> >> observing the birds in an area.
> >> For the interpretation of the findings it would be good to easily find
> >> out, from which position the recorded observation was taken.
> >>
> >> My idea was to compare the timestamp of the bird point with the
> >> timestamps of the track points, but I run into huge obstacles right at
> >> start:
> >> I know that I "could" query across layers by the expression aggregate().
> >> Unfortunately, the docs on that is so sparse, that I have not the
> >> slightest idea how to even start with that
> >> (
> https://docs.qgis.org/testing/en/docs/user_manual/working_with_vector/expression.html?highlight=expression#aggregates-functions
> )
> >>
> >>
> >> Ok, in case I could find out how to properly use aggregate, how do I
> >> best compare those time stamps?
> >> The layers derive from gpx-files and QGIS identifies the time tag as
> >> QDateTime.
> >>
> >> As it is not very likely that a bird observation was recorded at the
> >> exact same time as a track point was generated, there is no way to
> >> actually compare the values, cause the bird time value will always lie
> >> in between two track point values.
> >> What kind of query can be used to identify those two trackpoints ?
> >>
> >> In short: How can I identify/highligt/mark track points that have a
> >> timestamp close the selected point in another layer?
> >>
> >> I already created a question on this on gis stackexchange with a
> >> screenshot,but no reactions so far.
> >>
> >>
> >> Thankful for any hint
> >> Bernd
> >
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Re: [Qgis-user] error message when opening a project

[DelazJ]

Hi,
This line

* File "C:/Users/Celso/AppData/**Roaming/QGIS/QGIS3\profiles\*
*default/python/plugins\**qgiscloud\**qgiscloudplugindialog.py", line 808,
in __wkbTypeString*

points that the issue comes from qgiscloud plugin. So first, either
uninstall it or run qgis without plugins to confirm the origin. And report
the issue on the plugin repository in case the authors are not following
this list so they get it fixed.


Regards,

Harrissou

Le lun. 6 mai 2019 à 01:02, Nicolas Cadieux 
a écrit :

> Hi,
>
> I have no idea what this error is but my first reaction would be to
> uninstall QGIS and reinstall QGIS.  If that does not help, please add what
> version of QGIS you have, what installer you used and what operating system
> you are on.  I would add what version the projects are done with.  You
> could also disable all plugins that could be at the root of the problem.
> That would help others figure things out.
>
> Good luck,
> Nicolas
>
> Le 5 mai 2019 à 10:20, Celso Catelani  a écrit :
>
> Hi,
>
>
> I'm receiving an error message in all projects i try to open, saying the
> follow:
>
>
>
> type object 'Qgis' has no attribute 'WkbUnknown'
>
> Traceback (most recent call last):
>
> File
> "C:/Users/Celso/AppData/Roaming/QGIS/QGIS3\profiles\default/python/plugins\qgiscloud\qgiscloudplugindialog.py",
> line 702, in update_local_layers
>
> self.update_local_data_sources(local_layers, local_raster_layers)
>
> File
> "C:/Users/Celso/AppData/Roaming/QGIS/QGIS3\profiles\default/python/plugins\qgiscloud\qgiscloudplugindialog.py",
> line 775, in update_local_data_sources
>
> "Unsupported geometry type '{type}' in layer
> '{layer}'").format(type=self.__wkbTypeString(wkbType),
> layer=layers[0].name()))
>
> File
> "C:/Users/Celso/AppData/Roaming/QGIS/QGIS3\profiles\default/python/plugins\qgiscloud\qgiscloudplugindialog.py",
> line 808, in __wkbTypeString
>
> if wkbType == Qgis.WkbUnknown:
>
> AttributeError: type object 'Qgis' has no attribute 'WkbUnknown'
>
>
> Please, may someone help me about this?
>
>
> Tanks a lot
>
>
>  Celso S. Catelani
>
>
>
>
> 
>  Livre
> de vírus. www.avast.com
> .
> <#m_2851205939630208801_DAB4FAD8-2DD7-40BB-A1B8-4E2AA1F9FDF2>
>
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Re: [Qgis-user] union tool

[DelazJ]

Hi,

The merge algorithm
https://docs.qgis.org/3.4/en/docs/user_manual/processing_algs/qgis/vectorgeneral.html#merge-vector-layers
?

Harrissou

Le ven. 5 avr. 2019 à 07:45, Stefan Giese (WhereGroup) <
stefan.gi...@wheregroup.com> a écrit :

> You can use virtual layers (one possibility) with a union statement,
> something like:
>
> SELECT geometry, field1, field2 FROM layer1
> UNION SELECT geometry, field1, field2 FROM layer2
> UNION SELECT geometry, field1, field2 FROM layer3
> ...
>
> ---
> Mit freundlichen Grüßen
> Stefan Giese
>
> Projektleiter/Consultant
> ---
> Aufwind durch Wissen!
> Qualifizierte Open-Source-Schulungen
> bei der www.foss-academy.com
> ---
> WhereGroup GmbH & Co. KG
> Schwimmbadstr. 2
> 79100 Freiburg
> Germany
>
> Fon: +49 (0)761 / 519 102 - 61
> Fax: +49 (0)761 / 519 102 - 11
>
> stefan.gi...@wheregroup.com
> www.wheregroup.com
> Amtsgericht Bonn, HRA 6788
> ---
> Komplementärin:
> WhereGroup Verwaltungs GmbH
> vertreten durch:
> Olaf Knopp, Peter Stamm
> ---
>
> Am 2019-04-05 05:45, schrieb Boaz Bar Ilan:
> > hi
> >
> > is there a way to union many polygons which belongs to different
> > layers all at once?
> >
> > thanks
> >
> > boaz
> > ___
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> > Qgis-user@lists.osgeo.org
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Re: [Qgis-user] locating layer

[DelazJ]

Hi Mike,

You don't need to look for it or display it; it's there by default: the
status bar is the bar at the bottom of the QGIS dialog, showing coordinate
box, scale, magnifier... point 5 of the outdated screenshot at
https://docs.qgis.org/testing/en/docs/user_manual/introduction/qgis_gui.html#qgis-gui
At its left side (not visible on the screenshot since it's from 2.x and not
up to date), there's a textbox with a magnifier and  "Type to locate
(Ctrl+K)" text within.
Just type in *l layername* or simply the layer name and you should get what
you want.
See also
https://qgis.org/en/site/forusers/visualchangelog30/index.html#feature-locator-bar

Harrissou

Le mer. 3 avr. 2019 à 04:12, Mike Flannigan  a écrit :

>
> The Status Bar may help me too, but I can't figure
> out how to find it, display it, or turn it on.
>
> Windows ver 3.2.0.
>
> I want a way to text search the 60+ layers I have
> in some of my projects.
>
>
> Mike
>
>
>
> On 4/1/2019 2:00 PM, qgis-user-requ...@lists.osgeo.org wrote:
> > Hi,
> > I'm neither sure I understand what you want to do but you can give a look
> > to the locator bar from the status bar (
> >
> https://docs.qgis.org/testing/en/docs/user_manual/introduction/qgis_gui.html#status-bar
> ).
> > It helps you find a layer in the layers panel or find features (using the
> > appropriate field.
> >
> > HTH,
> > Harrissou
>
>
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Re: [Qgis-user] problems MAC and ecw raster files

[DelazJ]

Hi Azzura,

It's not about GDAL itself but a plugin that is not embarked with GDAL and
that you have to add: ECW plugin v2.4.0-1

(or the 2.3 version depending on your GDAL version). You should find it
under the GDAL Plugins section at
https://www.kyngchaos.com/software/frameworks/
And you need to install the Intergraph sdk version mentioned next to the
download link.

Regards,
Harrissou

Le lun. 1 avr. 2019 à 11:59, Azzurra Lentini  a
écrit :

> Hi Mike thank you for the explaination.
> However I have tried from the website
> https://www.kyngchaos.com/software/frameworks/ to install
> GDAL Complete: GDAL 2.4 and 2.3 but it is still not working!!
> My qgis version is 2.18 and even if I did all GDAL COMPLETE
> installation, qgis is still giving me this message (when I try to add
> raster ecw:
> data source not supported !!
>
> Any other suggestion?
>
> should I install other software in my computer?
>
> Thank you, Azzurra
>
>
> Mike Hyslop  a écrit :
>
> > Hi,
> >
> > this process is outlined on the developer's web site:
> > https://www.kyngchaos.com/software/frameworks/
> >
> > Look for the section titled "GDAL Plugins" and find the corresponding
> > plugin for your version of GDAL.
> >
> > Best,
> > Mike
> >
> > On Thu, Mar 21, 2019 at 10:24 AM Antongeo76 
> wrote:
> >
> >> Azzurra Lentini-2 wrote
> >> > Dear all in my Qgis 2.18 installed in my computer Mac I can not open
> >> > the raster file with extension .ecw
> >> > What can I do? is it normal?
> >> > In my pc windows I can open without any problem.
> >> >
> >> > Thank you Azzurra.
> >> >
> >> > ___
> >> > Qgis-user mailing list
> >>
> >> > Qgis-user@.osgeo
> >>
> >> > List info: https://lists.osgeo.org/mailman/listinfo/qgis-user
> >> > Unsubscribe: https://lists.osgeo.org/mailman/listinfo/qgis-user
> >>
> >> Hi Azzurra,
> >> for unix based sistems you need to local build ECW SDK to allow GDAL
> (QGIS)
> >> to read ECW raster
> >>
> >> Cheers
> >>
> >> Antonio
> >>
> >>
> >>
> >> -
> >> Antonio
> >> --
> >> Sent from: http://osgeo-org.1560.x6.nabble.com/QGIS-User-f4125267.html
> >> ___
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Re: [Qgis-user] locating layer

[DelazJ]

Hi,
I'm neither sure I understand what you want to do but you can give a look
to the locator bar from the status bar (
https://docs.qgis.org/testing/en/docs/user_manual/introduction/qgis_gui.html#status-bar).
It helps you find a layer in the layers panel or find features (using the
appropriate field.

HTH,
Harrissou

Le dim. 31 mars 2019 à 19:13, Patrick Dunford  a
écrit :

> This comment is difficult to understand. If each polygon is a separate
> layer then it will show up in the layer name, according to what each layer
> is named. If there are multiple polygons per layer, the information about
> them is displayed in a table view.
>
>
> On 1/04/19 3:53 AM, Boaz Bar Ilan wrote:
>
> hallo
>
> I  use 3.4.6
>
> I have dozens of polygon and I want to be able to locate the  the name of
> the polygon in the layer panel
>
> is there a way ?
>
> thanks
>
> boaz
>
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Re: [Qgis-user] Coordinates from wgs84 utm /expressed in meter) to wgs84 (expressed in degrees)

[DelazJ]

Hi Bernd,

Le jeu. 21 mars 2019 à 09:49, Bernd Vogelgesang 
a écrit :

> Hi Nyall,
>
> as much as I like your initiative to add such a function, I think such
> examples should also be listed in the user manual connected to the field
> calculator section.
>
> Unfortunately, in this very important field, qgis resources do not give
> many hints how to use the powers of the existing functions. Me, I do
> 100% of my searches on gis.stackexchange.com to find solution, not the
> docs.
>
>  As you might certainly know, the doc IS a community-driven work and we
welcome any contribution. So if you feel something is worth mentioning and
you know how to fix it, please simply provide a text or a pull request[0]
and it'll get done.
 This is how things work. And if people have to do 100% of their searches
out of the docs, maybe should we stop (trying) to maintain it.

[0] https://github.com/qgis/QGIS-Documentation

Regards,
Harrissou

Cheers,
> Bernd
>
> Am 21.03.19 um 08:05 schrieb Nyall Dawson:
> > On Wed, 20 Mar 2019 at 03:55, Azzurra Lentini
> >  wrote:
> >> Good morning,
> >> if for example my project is in this referencing system: WGS84-UTM,
> >> when I ask to calculate the coordinates Y and X (with field calculator
> >> - geometry), it will produce the coordinates in meters.
> >> But what can I do if I want the same coordinates in degrees?
> >> (obviously in the same datum wgs84)
> > I think this is a common enough task to warrant it's own processing
> > algorithm. I've added one in https://github.com/qgis/QGIS/pull/9587
> > (so will be in 3.8), ported from some Python code I used at a
> > customer's workplace.
> >
> > Nyall
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Re: [Qgis-user] Interesting anomaly with the snapping toolbar

[DelazJ]

Hi Tyler,

It's not a bug. A 3.0 feature that may not look obvious at first sight.
This button indicates the advanced configuration, hence those tools are
hidden since they are enabled on a layer basis. Press that icon and select
the "Open snapping Options..." at the bottom of the drop-down menu and you
get a dialog with the options available.
Pressing that icon also allows you to switch to the "all layers" or "active
layer" configurations which both show the tools you are missing.
Do not forget that snapping is a project property, reason why the configs
of this file is propagated to files that derived from it.

Regards,
Harrissou

Le jeu. 21 mars 2019 à 17:10, Tyler Veinot  a
écrit :

> Hi All;
> I have one map document that when I open it my snapping toolbar changes
> from this...
> [image: image.png]
> To this...
> [image: image.png]
>
> See how the settings for layer and snap to/tolerance disappeared?
> It only seems to happen with one specific map document and any document
> created from it as a base. I tried looking for a setting I might have in my
> document that would change the snapping tool bar but couldn't find
> anything. Has anyone else had this issue? Is it a something I can fix or is
> it a corruption of the map document file.
> Thanks;
> Tyler
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Re: [Qgis-user] QGIS error & F29

[DelazJ]

Hi,

Le mar. 12 mars 2019 à 14:55, Max Pyziur  a écrit :

> On Tue, 12 Mar 2019, Richard Duivenvoorde wrote:
>
> > Ah...
> >
> > Now I see 2.7 
> > That is very old, please upgrade to the one available via
> > https://qgis.org/en/site/forusers/alldownloads.html#fedora
>
> Much thanks for your replies.
>
> I've done this, but this has led to another issue. Either it's a bug or
> I'm not executing something correctly (clicking checkboxes etc.
>
> If I go Database -> DB Manager
> Establish a connection to my postgresql/postgis database
>
> F2 to open the SQL editing window, type:
> SELECT * FROM "shapefiles"."us_states" WHERE state = 'Texas'
>
> Hit Execute, Load As layer
>

At this point, the dialog expands new options in which you may need to
indicate the PK and the geometry fields.
And then press on "Load" to have layer and features in the application.

Are these options not visible? Or do you simply skip these steps in your
feedback?

Harrissou

>
> Nothing appears in either the Layers pane or the main window.
>
> However, if I go
> Layer -> Add Layer -> Add PostGIS Layers
>
> and then select a table built upon a shapefile
>
> the map loads.
>
> I can then edit the SQL for that layer by right-clicking on the layer in
> the layer pane, Update sql, and my modifications are reflected in the
> layer.
>
> How do I get DB Manager to add a layer?
>
> Much thanks,
>
> Max Pyziur
>
>
> > Regards,
> >
> > Richard Duivenvoorde
> >
> >
> > On 12/03/2019 07.08, Richard Duivenvoorde wrote:
> >> Hi Max,
> >>
> >> The error means that the python-cpp bridge is not working because wrong
> >> paths to (python) libs.
> >> Are you maybe in a Python Virtual Environment at that moment, which in
> >> that case screws up your python path?
> >>
> >> Or else: did you miss some QGIS-Python package (if installed via package
> >> manager)?
> >>
> >> Regards,
> >>
> >> Richard Duivenvoorde
> >>
> >> On 11/03/2019 23.15, Max Pyziur wrote:
> >>>
> >>>
> >>> Greetings,
> >>>
> >>> My use of QGis Desktop is occassional; when I do use it, I construct
> >>> layers using PostGIS & PostgreSQL.
> >>>
> >>> The key component that facilitates this in QGis is a Python plugin
> >>> called DB Manager.
> >>>
> >>> When I started Qgis today, there was an error message that appeared
> >>> something like this:
> >>>
> >>> Couldn't load PyQGIS. Python support will be disabled.
> >>>
> >>>
> >>> Traceback (most recent call last):
> >>>   File "", line 1, in
> >>>   File "/usr/lib64/python2.7/site-packages/qgis/gui/__init__.py", line
> >>> 27, in
> >>> from qgis._gui import *
> >>> RuntimeError: the PyQt4.QtCore module failed to register with the sip
> >>> module
> >>>
> >>>
> >>> Python version:
> >>> 2.7.15 (default, Oct 15 2018, 15:26:09)
> >>> [GCC 8.2.1 20180801 (Red Hat 8.2.1-2)]
> >>>
> >>> QGIS version:
> >>> 2.18.20 'Las Palmas', exported
> >>>
> >>> After clicking away the error away, the existing layers that I had
> built
> >>> using PostGIS/PostgreSQL were still available in my key critical
> project.
> >>>
> >>> However, when I went to look for DB Manager, it wasn't available.
> >>>
> >>> After some searching, I upgraded to QGIS 3.6 from a non-Fedora
> >>> repository (the guidance is here:
> >>>
> https://stackoverflow.com/questions/53716778/the-pyqt4-qtcore-module-failed-to-register-with-the-sip-module
> )
> >>>
> >>>
> >>> and now I have access to the DB Manager functionality.
> >>>
> >>> Is the Fedora/QGis community aware of this issue?
> >>>
> >>> Thanks!
> >>>
> >>> Max Pyziur
> >>> p...@brama.com
> >>> ___
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> >>> Qgis-user@lists.osgeo.org
> >>> List info: https://lists.osgeo.org/mailman/listinfo/qgis-user
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> >>
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Re: [Qgis-user] [Qgis-psc] User question of the month

[DelazJ]

Hi Anita,

Le sam. 9 mars 2019 à 18:37, Anita Graser  a écrit :

> Dear users,
>
> The answers to the user question of February have now been analyzed. In
> total, we received 84 replies to the questionnaire. One submission was
> counted as a duplicate. Cases where all three fields were set to the same
> plugin have been only counted once. The plugins with more than three
> mentions are:
>

I'm a bit disappointed by the number of replies. I'd have expected more
answers (everybody uses plugins, right?)

For the next question of the month, I'd be interesetd in something
regarding the docs and its usage. Some rough ideas to polish for the survey:
1- What is your first source of information on QGIS features: SE, QGIS
lists/user groups, local forum, QGIS doc, web browser, social network,
others... (to sort by frequency of usage) - Here I mean when they want to
learn something not hear about something
2- If/When you use QGIS doc, does it answer your needs? Yes, no, i don't
use (or we can graduate: always, often, rarely, never(?)...)
3- How often do you use the QGIS Doc?
4- Suggestions for improvements or other comments... (on what they miss or
think docs should be/do)

Now that we are releasing the 3.4 docs, it should be fair to know whether
people do refer to the docs, use them and get feedbacks (critics or
expectations for the next round).

Regards,
Harrissou

>
>1. QuickMapServices 33
>2. qgis2web 13
>3. OpenLayers_Plugin 8
>4. Group_Stats 7
>5. Digitizing_Tools 6
>6. mmqgis 6
>7. Profile_tool 6
>8. Another_DXF_Importer_DXF2Shape 5
>9. Lat_Lon_Tools 5
>10. Qgis2threejs 5
>11. Spreadsheet_Layers 5
>12. Value_Tool 5
>13. Data_Plotly 4
>14. go2streetview 4
>15. ImportPhotos 4
>16. Mask 4
>17. TimeManager 4
>18. TUFLOW 4
>
> Among these top listed plugins, the following ones are not currently
> featured
>
>- OpenLayers_Plugin (has been marked as experimental due to known
>issues)
>- Group_Stats
>- Digitizing_Tools
>- mmqgis (has no version for QGIS 3 yet)
>- Profile_tool
>- Another_DXF_Importer_DXF2Shape
>- Spreadsheet_Layers
>- Value_Tool
>- go2streetview
>- ImportPhotos
>- TUFLOW
>
> If you don't know these plugins yet, they might be worth checking out.
>
> So far, we haven't settled on a new user question yet. If you have an idea
> for a question that would be interesting to ask, please let me know.
>
> Regards,
> Anita
>
>
>
> On Tue, Feb 5, 2019 at 8:27 PM Anita Graser  wrote:
>
>> Dear users,
>>
>> The answers to the user question of January have now been published:
>> http://blog.qgis.org/2019/02/05/user-question-of-the-month-feb19-answers-from-jan/
>>
>>
>> Based on these results, during yesterday's PSC meeting, we've been
>> discussing potential strategies to better inform users about all the
>> different options for contributing to QGIS. So thanks to everyone who
>> provided feedback!
>>
>> We also have a new question for February: Which plugins should be listed
>> as "featured" on the official plugin repository?
>> https://ee.kobotoolbox.org/x/#bpH2ouJG
>>
>> The form is available in a variety of languages thanks to Carlos Rivas
>> for providing the platform and all the volunteers who helped with
>> translations.
>>
>> Regards,
>> Anita
>>
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Re: [Qgis-user] Layer properties dialog has changed on me

[DelazJ]

Hi,
The panels are resizable so move the mouse over the vertical separator,
pick it and you can enlarge it.

Regards,
Harrissou

Le ven. 8 mars 2019 à 17:58,  a écrit :

> QGIS 3.4.2
>
> For raster layers, I get the properties dialog I expect (and what the
> online docs show) -
>
>
> but this morning, all of a sudden, the dialog is different for vector
> layers. Now the labels are missing next to the icons.
>
>
>
> I guess I've accidentally changed some option, but I can't figure out what
> that is.
>
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Re: [Qgis-user] Function-editor: Where are custom functions stored

[DelazJ]

Hi,
See
https://docs.qgis.org/testing/en/docs/user_manual/working_with_vector/expression.html#function-editor
(step 2), ie in python/expressions folder of the user profile directory
which depends on your operating system (see
https://docs.qgis.org/testing/en/docs/user_manual/introduction/qgis_configuration.html#working-with-user-profiles
)

HTH,
Harrissou

Le mar. 5 mars 2019 à 12:59, Kai Behncke  a
écrit :

> Dear users,
> I use Quantum GIS 3.6 on Windows.
>
> if I create an own custom-function via the function editor, where is this
> function stored (in which file?) ?
>
> Thank you very much, Kai
>
>
> Mit freundlichen Grüßen
> Im Auftrag
>
> Kai Behncke
> Geoinformation
> Tel.: +49 5451 931-7125
>
> E-Mail: kai.behn...@ibbenbueren.de
>
> Rathaus II
> Roncallistraße 3-5
> 1. Stock, Raum 105
> 49477 Ibbenbüren
>
>
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Re: [Qgis-user] Extend feature not working in 3.6.0?

[DelazJ]

Hi,

Le jeu. 28 févr. 2019 à 08:11, Luca Manganelli <
luca.mangane...@comune.trento.it> a écrit :

> Thank you. I understood how to EXTEND (but the documentation wasn't
> explain too well),
>

Luca, would you mind proposing a fix for what you missed in the proposed
documentation?

Thanks,
Harrissou

> but not how to TRIM... :-)
>
> Il giorno gio 28 feb 2019 alle ore 07:42 Loïc Bartoletti <
> lbartole...@tuxfamily.org> ha scritto:
>
>> Hi Luca,
>>
>> You must activate segment snapping for this tool to work.
>>
>> The documentation is ready but not available online. You can see the two
>> PR for this documentation:
>>
>> https://github.com/qgis/QGIS-Documentation/pull/3171/files
>>
>> https://github.com/qgis/QGIS-Documentation/pull/3343/files
>>
>> Regards
>>
>> Loïc
>> Le 28/02/2019 à 07:33, Luca Manganelli a écrit :
>>
>> I've tried the new extend tool. I've followed these steps:
>>
>> 1. Create a new temporary multiline string layer;
>> 2. Created two new lines;
>> 3. Clicked on Extend/Trim tool;
>> 4. I've moved over feature, clicked on it, it seems that is not working
>>
>>
>>
>> ___
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>
>
>
> --
> Luca Manganelli
> Assistente informatico
> Servizio Innovazione e Sistemi digitali
> Via Ezio Maccani 148
> 38121 Trento (TN)
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Re: [Qgis-user] Vector Affine trouble

[DelazJ]

Hi,

Le jeu. 7 févr. 2019 à 13:05, Paolo Cavallini  a
écrit :

> Please consider adopting it then.
>

Or, let it "die" if there are other valuable alternatives (
http://plugins.qgis.org/search/?q=affine)
The move to 3 should also be the occasion to get rid of redundancy in
plugins (and put all efforts at a single (or few) place).

Regards,
Harrissou

All the best, and thanks.
>
> On 06/02/19 18:26, Siki Zoltan wrote:
> > Hi Paolo,
> >
> > the QGIS 3.4 upgrade is a pull request what the original author of
> > qgsAffine hasn't merged yet (2 monthes old).
> > If he is on this list ...
> >
> > Regards,
> > Zoltan
> >
> > On Wed, 6 Feb 2019, Paolo Cavallini wrote:
> >
> >> Hi Suki,
> >> Would you mind asking authors why they didn't upload to the official
> >> repo?
> >> I think it would be good to have.
> >> All the best.
> >>
> >> Il 6 febbraio 2019 17:29:15 CET, Siki Zoltan  ha
> >> scritto:
> >>> Hi,
> >>>
> >>> there is a qgsAffine version for 3.4 onGitHub:
> >>> https://github.com/pohmelie/qgsAffine
> >>>
> >>> Unfortunatelly it is not available from QGIS 3 Plugins. You can install
> >>> it
> >>> manually, download zip from github and copy the qgisAffine folder from
> >>> zip
> >>> to the QGIS plugin directory on your machine. To find the plugin folder
> >>>
> >>> read:
> >>>
> https://gis.stackexchange.com/questions/274311/qgis-3-plugin-folder-location
> >>>
> >>>
> >>> Regards,
> >>> Zoltan
> >>>
> >>> On Wed, 6 Feb 2019, Olivier Dalang wrote:
> >>>
>  Hi,
> 
>  Vectorbender has just been ported to qgis 3 by Jorge Almerio (many
> >>> thanks
>  again). I just released the new version to the plugin repo a few
> >>> seconds
>  ago.
> 
>  Cheers,
> 
>  Olivier
> 
>  On Sat, Jan 12, 2019, 23:37 Rutger Emmelkamp  >>> wrote:
> 
> > Hello everybody,
> >
> > Hope someone can help me out this Saturday night (or Sunday or
> >>> Monday) but
> > no hurry!
> >
> > How to georeference an Illustrator vector image (contour line map)
> >>> from a
> > specific area?
> > I have qgis 3.4.3 installed and qgisAffine and Vector Blender
> >>> plugins
> > don˙˙t work for this version.
> >
> > I managed to turn the file into a .shp file and I see it somewhere
> >>> off the
> > coast of Ghana (coordinates 0,0) but how do I drag it into place?
> > I think I˙˙m looking for a Vector Affine Transformation plugin or
> >>> menu but
> > can˙˙t find it.
> >
> > Hope someone can help me in the right direction.
> >
> > Thanks and have a nice weekend.
> >
> > Rutger
> > ___
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> 
> >>
> >> --
> >> Sorry for being short
>
> --
> Paolo Cavallini - www.faunalia.eu
> QGIS.ORG Chair:
> http://planet.qgis.org/planet/user/28/tag/qgis%20board/
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Re: [Qgis-user] [QGIS-Server] WFS-T

[DelazJ]

Hi,

Le lun. 4 févr. 2019 à 18:37, Jonathan Moules 
a écrit :

> Hi,
>
> Well, taking the error at face value, it seems to be complaining that you
> have:
> *REQUEST=Transaction*
>
> in the URL. Which is odd because that's exactly what it should be (looking
> at the 1.0.0 spec).
>
> But at the bottom of your error, it says:
>
> 10:15:17 WARNING [9148]: Service WFS 1.0.0 not found, returning default
>
> So I'd suggest that QGIS Server doesn't support transactions for WFS 1.0.0
> (Transactions support is Optional). Except the QGIS docs say they do
> support Transaction:
> https://docs.qgis.org/2.8/en/docs/user_manual/working_with_ogc/ogc_server_support.html
> - and WFS 1.0.0 seems to be the only version supported by QGIS so... are
> the errors misleading? (I can't seem to readily find that page for QGIS
> 3.4).
>
> Nobody should be using QGIS 2.8 today so I guess you were referring to the
2.18 link ie,
https://docs.qgis.org/2.18/en/docs/user_manual/working_with_ogc/ogc_server_support.html
and for the 3.4 link, it's from
https://docs.qgis.org/3.4/en/docs/user_manual/working_with_ogc/server/index.html

Regards,
Harrissou

The GetCapabilities of the server will tell you if it supports Transaction.
>
> Maybe someone who knows QGIS Server (I'm just basing this reply off the
> spec and your error) can comment.
>
> Cheers,
>
> Jonathan
>
> On 2019-02-01 09:57, Bernhard Ströbl wrote:
>
> Hi all,
>
> I try to make an INSERT to QGIS-Server using WFS-T. But every insert fails
> with the server returning "Please check the value of the REQUEST parameter"
>
> This is the QGIS-server log output (anonymised):
>
> 10:15:17 INFO Server[9148]:  New request
> ***
> 10:15:17 INFO Server[9148]: SERVER_NAME***
> 10:15:17 INFO Server[9148]: REQUEST_URI/wms/pmt?SERVICE=WFS
> 10:15:17 INFO Server[9148]: REMOTE_ADDR10.***.***.**
> 10:15:17 INFO Server[9148]: CONTENT_TYPEtext/xml
> 10:15:17 INFO Server[9148]: HTTP_USER_AGENTMozilla/5.0 QGIS/3.4.3-Madeira
> 10:15:17 INFO Server[9148]: MAP:/var/www/wms/karten/pmt.qgs
> 10:15:17 INFO Server[9148]: REQUEST:Transaction
> 10:15:17 INFO Server[9148]: REQUEST_BODY: "http://www.opengis.net/wfs;  version="1.0.0"
> service="WFS" xsi:schemaLocation="http://www.qgis.org/gml
> https://pmt-map.jena.de:443/wms/pmt?SERVICE=WFSREQUEST=DescribeFeatureTypeVERSION=1.0.0TYPENAME=projekt_pt;
> 
> xmlns:gml="http://www.opengis.net/gml; 
> xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance;
> > "http://www.opengis.net/wfs; > xmlns="http://www.qgis.org/gml; > "http://www.qgis.org/gml; > srsName="EPSG:25832"> cs=",">681077.95823665894567966,5643649.1879350347151
> 10:15:17 INFO Server[9148]: SCHEMALOCATION:http://www.qgis.org/gml
> https://pmt-map.jena.de:443/wms/pmt?SERVICE=WFS=DescribeFeatureType=1.0.0=projekt_pt
> 10:15:17 INFO Server[9148]: SERVICE:WFS
> 10:15:17 INFO Server[9148]: VERSION:1.0.0
> 10:15:17 WARNING [9148]: Service WFS 1.0.0 not found, returning default
> 10:15:17 INFO Server[9148]: Request finished in 1 ms
>
> the apache error log says:
> QNetworkDiskCache::prepare() unable to open temporary file
>
> any help appreciated
>
> System: QGIS-Server 3.4.4 on Ubuntu/Apache, WFS-Client QGIS Desktop 3.4.3
>
> Bernhard
>
>
> __ Information from ESET Mail Security, version of virus signature
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>
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Re: [Qgis-user] symbolize points by their size and category

[DelazJ]

Hi,

See
https://docs.qgis.org/testing/en/docs/user_manual/working_with_vector/vector_properties.html#proportional-symbol-and-multivariate-analysis

Regards,
Harrissou

Le ven. 1 févr. 2019 à 11:59, Raymond Nijssen  a
écrit :

> Hi Alejandro,
>
> You could do the color by a "categorized" symbol (as usual) and the size
> based on a "data driven override" with an expression calculating your
> attribute values to symbol sizes.
>
> Good luck,
> Raymond
>
>
> On 01-02-19 11:50, Alejandro Chamizo de Castro wrote:
> > Hello colleagues,
> >
> > do you know if it is possible to symbolize in QGIS 3.x a layer of points
> > according to its size and its category?
> > For example. size according to number and colors based on its category.
> >
> > Thank you
> >
> > --
> > Alejandro Chamizo de Castro
> > +34 653681823
> > www.gisland.es 
> >
> >
> > Mailtrack
> > <
> https://mailtrack.io?utm_source=gmail_medium=signature_campaign=signaturevirality5;>
>
> >   Remitente notificado con
> > Mailtrack
> > <
> https://mailtrack.io?utm_source=gmail_medium=signature_campaign=signaturevirality5;>
>
> > 01/02/19 11:50:24
> >
> >
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Re: [Qgis-user] Featured plugins: nominations

[DelazJ]

Le jeu. 24 janv. 2019 à 10:18, Paolo Cavallini  a
écrit :

> Hi Anita,
>
> On 24/01/19 10:04, Anita Graser wrote:
>
> > Do you still want the user question for Feb? Or is this mail discussion
> > enough after all?
>
> unsure about this - the discussion has been interesting, and led to
> improvements. A wider base could reveal other gems, but could also add
> considerable noise (especially if we allow free entries, as many plugins
> have similar names, and it may become difficult to tell which is which.
> Opinions?
>

I think that, up to now, most of the people that reply are the same that
often discuss in the dev list, that contribute to the software development.
Not really the opinion of the "user base" and I think that it's still good
to hear their voices: As a lambda user, what are the plugins you would
recommend to others if they want to do things that QGIS does not natively
do? This is how I'd define "featured plugins". So for me, yes, asking more
feedbacks for the base is still of interest.

About the noise of mispelled names, I don't know how (no further discussion
has been held yet) but maybe we can provide a drop-down list based on
plugin names in our database?

Harrissou

All the best.
>
> --
> Paolo Cavallini - www.faunalia.eu
> QGIS.ORG Chair:
> http://planet.qgis.org/planet/user/28/tag/qgis%20board/
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Re: [Qgis-user] Featured plugins: nominations

[DelazJ]

Hi,

Given that tags are, if i'm not wrong, declared by authors, the number of
tags to filter the plugins may be enormous (though it's already possible to
filter by tag clicking one in the cloud).

Having main groups to categorize plugins sounds a good idea. I think the
"easiest" would be to:
- set some "authoritative" categories
- have a new entry in metadata and each plugin author will set the
appropriate class(es) in his plugin

All that said, the plugin website infrastructure relies mainly on the
effort of two persons so if improvements are to be done, I'm pretty sure
that they will happily welcome anyone willing to help to structure and
implement them.

Regards,
Harrissou


Le jeu. 24 janv. 2019 à 15:46, Andrew Harfoot  a
écrit :

> On 24/01/2019 12:48, Micha Silver wrote:
> >
> > I'd like to see all plugins arranged in categories: Dev tools,
> > Hydrology, CAD, Classification, Vector tools, Web, etc...
> >
> > The number of plugins is fast reaching the point where this is necessary.
> >
> Or make the existing tag system more visible when searching ie an
> explicit filter by tag option?
>
> --
> Andy Harfoot
>
> GeoData Institute
> University of Southampton
> Southampton
> SO17 1BJ
>
> Tel:  +44 (0)23 8059 2719
>
> www.geodata.soton.ac.uk
>
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Re: [Qgis-user] Featured plugins: nominations

[DelazJ]

Hi Paolo,

Thanks for raising this.
I remember a previous discussion about what a "featured plugin" is and
ended up that it's somehow subjective.
So here are my subjective (but not complete as some are already mentioned)
list of plugins that really help me in my daily work:
- RefFunctions : It has
some spatial functions that really help to link features from different
layers, in a different and imho simpler logic than default relations
functions.
- Plugin Reloader : A
must-have for anyone that is trying to create his own plugin, great
complement for the Plugin Builder. I don't understand why it's still tagged
"experimental".
- and probably more subjective as it's mine: MapsPrinter
: allow to export multiple
print layouts in few clicks (without opening any). Currently you have to
open each print layout before you export it.

I can also see that in the current featured list some plugins are not
available in QGIS 3: itemBrowser, Copy canvas to clipboard, Layer board,
QuickFinder, ScriptRunner. I guess some functions are natively covered in
v3. Wonder if, with 3.4LTR, we should not put focus on 3.x compatible
plugins and remove these ones?
Another thing is that the Plugin Builder is named Plugin Builder 3 in QGIS
3. I'm not sure this is consistent.

Regards,
Harrissou

Le mar. 22 janv. 2019 à 18:23, Paolo Cavallini  a
écrit :

> Hi all,
> please let us know whether there are plugins that you believe should be
> listed as featured, and are not. Just send a short description of why
> they should listed.
> Also, please warn us if there are featured plugins that should be delisted.
> http://plugins.qgis.org/plugins/featured/
> All the best, and thanks.
> --
> Paolo Cavallini - www.faunalia.eu
> QGIS.ORG Chair:
> http://planet.qgis.org/planet/user/28/tag/qgis%20board/
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Re: [Qgis-user] [Qgis-community-team] training manual QGIS 3

[DelazJ]

Le mer. 9 janv. 2019 à 19:18, Janneke van Dijk  a
écrit :

> Hi Harrissou,
>
> thanks for the quick intervention :-).
>
You are welcome.
And it's all good; your pull request is at the right place. It's time for
reviewers, now!



> Indeed, I did read about the trap, but wasn't sure where I was supposed to
> encounter it. I've done it again following your short description and that
> I think has worked...Let me know if I am still supposed to press more
> buttons...I'll have a look tomorrow at the guidelines and check why it
> wasn't obvious enough to me.
>
> Good night,
> Janneke
>
> On 09/01/2019 21:01, DelazJ wrote:
>
> Hi Janneke,
>
> I guess you are talking about
> https://github.com/janneke-qgis/QGIS-Documentation/pull/1 which is
> unfortunately a pull-request against your own branch and not the upstream
> one. This is a trap we all fall in at the beginning and mentioned at
> https://docs.qgis.org/testing/en/docs/documentation_guidelines/first_contribution.html#share-your-changes-via-pull-request
>
> What you have to do is also explained in the page I linked above (if ever
> not clear, let us know, we'll try to improve it) but in short:
> 1. Go to https://github.com/qgis/QGIS-Documentation/pulls
> 2. Press "New pull request"
> 3. Click "Compare accross forks" and select your repo in the head fork
> drop down menu and then the your branch (janneke-qgis-patch-1 in this case)
> 4. Press "Create pull request"
> 5. And you are done!
>
> H.
>
> Le mer. 9 janv. 2019 à 18:46, Janneke van Dijk  a
> écrit :
>
>> Hi Alexandre and Harrissou (and others),
>>
>> I'm trying to feel my way through the contribution thing and github by
>> starting with some small remarks/changes I suggested myself. I think I have
>> just made an edit and created a pull  request - it tells me 'This branch
>> has no conflicts with the base branch'. Not sure how to proceed from here.
>> Is this enough from my side?
>>
>> Thanks for some guidance
>> Janneke
>>
>>
>>
>> On 07/01/2019 23:27, Alexandre Neto wrote:
>>
>>
>> Screenshots shouldn't be a blocker, you can take screenshots using
>> windows. Then, if we have time, we can replace windows screenshots later.
>>
>>
>> A seg, 7/01/2019, 18:17, Janneke van Dijk 
>> escreveu:
>>
>>> Yes, I would be up for learning how to do it. I remember once upon a
>>> time trying to get started and somehow getting stranded before I got
>>> anywhere. Partly because I couldn't get linux to work on VM on my laptop so
>>> I couldn't do the screen shots.
>>>
>>> On 07/01/2019 17:39, Alexandre Neto wrote:
>>>
>>>
>>> Some of those changes are quite small. Would you be interested in
>>> learning how to fix it yourself?
>>>
>>> A seg, 7/01/2019, 14:37, Alexandre Neto 
>>> escreveu:
>>>
>>>>
>>>>
>>>> Actually, someone already did it. Thanks!!
>>>>
>>>> A seg, 7/01/2019, 14:37, Alexandre Neto 
>>>> escreveu:
>>>>
>>>>> I can do it.
>>>>>
>>>>> A seg, 7/01/2019, 13:43, Janneke van Dijk 
>>>>> escreveu:
>>>>>
>>>>>> I've registered all that I've noticed, I just didn't manage to tag
>>>>>> them with training manual. Should I do that or is that someone else who
>>>>>> adds the labels?
>>>>>> Janneke
>>>>>>
>>>>>> On 07/01/2019 00:42, Alexandre Neto wrote:
>>>>>>
>>>>>> Better duplicated issues than missing ones . So please report
>>>>>> whatever you feel that is a bug, or a possible improvement. That way we
>>>>>> won't forget.
>>>>>>
>>>>>> Thanks!
>>>>>>
>>>>>>
>>>>>> A dom, 6/01/2019, 10:07, Janneke van Dijk 
>>>>>> escreveu:
>>>>>>
>>>>>>> Hi Harrissou,
>>>>>>>
>>>>>>> Getting ready to at least list my observations. Do I understand it
>>>>>>> correctly that whatever is not mentioned in [2] is not being addressed?
>>>>>>> Quite a few of my remarks will also related to updating screenshots, 
>>>>>>> which
>>>>>>> I think has also been mentioned as a general issue somewhere - should I
>>>>>>> still list them separately?
>>>>>>>
>>>>>>> Thanks for y

Re: [Qgis-user] [Qgis-community-team] training manual QGIS 3

[DelazJ]

Hi Janneke,

I guess you are talking about
https://github.com/janneke-qgis/QGIS-Documentation/pull/1 which is
unfortunately a pull-request against your own branch and not the upstream
one. This is a trap we all fall in at the beginning and mentioned at
https://docs.qgis.org/testing/en/docs/documentation_guidelines/first_contribution.html#share-your-changes-via-pull-request

What you have to do is also explained in the page I linked above (if ever
not clear, let us know, we'll try to improve it) but in short:
1. Go to https://github.com/qgis/QGIS-Documentation/pulls
2. Press "New pull request"
3. Click "Compare accross forks" and select your repo in the head fork drop
down menu and then the your branch (janneke-qgis-patch-1 in this case)
4. Press "Create pull request"
5. And you are done!

H.

Le mer. 9 janv. 2019 à 18:46, Janneke van Dijk  a
écrit :

> Hi Alexandre and Harrissou (and others),
>
> I'm trying to feel my way through the contribution thing and github by
> starting with some small remarks/changes I suggested myself. I think I have
> just made an edit and created a pull  request - it tells me 'This branch
> has no conflicts with the base branch'. Not sure how to proceed from here.
> Is this enough from my side?
>
> Thanks for some guidance
> Janneke
>
>
>
> On 07/01/2019 23:27, Alexandre Neto wrote:
>
>
> Screenshots shouldn't be a blocker, you can take screenshots using
> windows. Then, if we have time, we can replace windows screenshots later.
>
>
> A seg, 7/01/2019, 18:17, Janneke van Dijk 
> escreveu:
>
>> Yes, I would be up for learning how to do it. I remember once upon a time
>> trying to get started and somehow getting stranded before I got anywhere.
>> Partly because I couldn't get linux to work on VM on my laptop so I
>> couldn't do the screen shots.
>>
>> On 07/01/2019 17:39, Alexandre Neto wrote:
>>
>>
>> Some of those changes are quite small. Would you be interested in
>> learning how to fix it yourself?
>>
>> A seg, 7/01/2019, 14:37, Alexandre Neto  escreveu:
>>
>>>
>>>
>>> Actually, someone already did it. Thanks!!
>>>
>>> A seg, 7/01/2019, 14:37, Alexandre Neto 
>>> escreveu:
>>>
>>>> I can do it.
>>>>
>>>> A seg, 7/01/2019, 13:43, Janneke van Dijk 
>>>> escreveu:
>>>>
>>>>> I've registered all that I've noticed, I just didn't manage to tag
>>>>> them with training manual. Should I do that or is that someone else who
>>>>> adds the labels?
>>>>> Janneke
>>>>>
>>>>> On 07/01/2019 00:42, Alexandre Neto wrote:
>>>>>
>>>>> Better duplicated issues than missing ones . So please report whatever
>>>>> you feel that is a bug, or a possible improvement. That way we won't 
>>>>> forget.
>>>>>
>>>>> Thanks!
>>>>>
>>>>>
>>>>> A dom, 6/01/2019, 10:07, Janneke van Dijk 
>>>>> escreveu:
>>>>>
>>>>>> Hi Harrissou,
>>>>>>
>>>>>> Getting ready to at least list my observations. Do I understand it
>>>>>> correctly that whatever is not mentioned in [2] is not being addressed?
>>>>>> Quite a few of my remarks will also related to updating screenshots, 
>>>>>> which
>>>>>> I think has also been mentioned as a general issue somewhere - should I
>>>>>> still list them separately?
>>>>>>
>>>>>> Thanks for your assistance,
>>>>>> Janneke
>>>>>>
>>>>>> On 05/01/2019 13:33, DelazJ wrote:
>>>>>>
>>>>>> Hi Janneke,
>>>>>>
>>>>>> Thanks for your tests. And indeed the training manual update is a
>>>>>> work in progress and maybe could you publish your remarks as issue 
>>>>>> reports
>>>>>> in the doc repository [0] so that we took them into consideration as we 
>>>>>> go.
>>>>>> You are right about the missing data, there was a pull request [1] to
>>>>>> integrate these data we forgot to merge. Done now! Download the dataset
>>>>>> again, please.
>>>>>> Note that we are reviewing initial lessons and have some pending
>>>>>> updates for both lessons [2] and corresponding data [3]. Tests and
>>>>>> feedbacks are more than welcome. Thanks!
>>>>>>
>>>>>>

Re: [Qgis-user] After deleting points, attribute rows persist

[DelazJ]

Hi Micha,

The Node Tool is not meant to remove features, but to edit/remove their
geometries. Your feature persists in your dataset through their attributes
and you can later use the "Add part" tool to create a new geometry.
https://docs.qgis.org/testing/en/docs/user_manual/working_with_vector/editing_geometry_attributes.html#vertex-tool
For full deletion (data + geometry), you should use the the "Delele
selected" tool, with a red bin.

Regards,
Harrissou

Le lun. 7 janv. 2019 à 16:15, Micha Silver  a écrit :

> Hi Alex:
>
> Linux Mint 19
>
> gdal 2.2.3
>
> QGIS 3.4.3
>
>
> Just out of curiosity, I did the same on a debian buster machine (QGIS
> 2.18) and found the same: deleting vertices (with the node tool) on a point
> vector layer does not delete the attribute rows.
>
>
> On 1/6/19 11:38 PM, Alexandre Neto wrote:
>
> What's your platform?
> What's the version of gdal?
>
> Thanks,
>
> Alex Neto
>
> A dom, 6/01/2019, 12:55, Micha Silver  escreveu:
>
>> I have found that after deleting some points in both a shapefile and a
>> geopackage layer, the attribute rows remain in the table (with null
>> geometry). Is this expected? I'm using 3.4.3, and I don't remember that
>> being so in earlier versions.
>>
>>
>> I removed the "phantom" rows by selecting by expression: '$geometry is
>> null' and then deleting. Still the behavior was surprising. I hope this is
>> not a resurrection of https://issues.qgis.org/issues/11007 ??
>>
>>
>> Thanks
>>
>> --
>> Micha Silver
>> Ben Gurion Univ.
>> Sde Boker, Remote Sensing Lab
>> cell: +972-523-665918
>>
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> --
> Alexandre Neto
> -
> @AlexNetoGeo
> http://sigsemgrilhetas.wordpress.com
> http://gisunchained.wordpress.com
>
> --
> Micha Silver
> Ben Gurion Univ.
> Sde Boker, Remote Sensing Lab
> cell: +972-523-665918
>
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