From andreaerdna at libero.it Wed Oct 1 11:34:40 2025 From: andreaerdna at libero.it (Andrea Giudiceandrea) Date: Wed, 1 Oct 2025 20:34:40 +0200 Subject: [Qgis-user] Incomplete German Localization in QGIS 3.44.2/3.44.3 Message-ID: <348e1200-2364-4f1b-9101-7f687fe0f04e@libero.it> > Thomas W?lk thomas.woelk at gmail.com > Tue Sep 30 07:42:45 PDT 2025 > I am using QGIS 3.44.2/3.44.3 with the language set to German and have > noticed that localization is incomplete in various parts of the > application. Some terms and menu items are displayed in English, even > though the system language is correctly set to German. Hi Thomas, such issue is probably the same known issue already previously reported various times for various languages but unfortunately not yet fixed. Please see https://github.com/qgis/QGIS/issues/61291. Regards. Andrea From dejardinjp at gmail.com Sat Oct 4 08:38:36 2025 From: dejardinjp at gmail.com (dejardinjp at gmail.com) Date: Sat, 4 Oct 2025 17:38:36 +0200 Subject: [Qgis-user] py expressions don't load automatically in the Custom section Message-ID: <01f301dc3544$f32c7ea0$d9857be0$@gmail.com> Hi All, I've a few Python expressions encoded through the function editor within the field calculator. As I save and load them, they appear in the "Custom" section, but if I restart QGis the complete Custom section disappears from the panel and I've to reload the expressions. I tried to manage it with a startup.py or __init__.py, but it failed . Any idea ? THX JP -------------- next part -------------- An HTML attachment was scrubbed... URL: From andreaerdna at libero.it Sat Oct 4 10:31:18 2025 From: andreaerdna at libero.it (Andrea Giudiceandrea) Date: Sat, 4 Oct 2025 19:31:18 +0200 Subject: [Qgis-user] py expressions don't load automatically in the Custom section Message-ID: <63d8d017-d965-43f8-825f-2441ccdc50a5@libero.it> Hi JP, the issue doesn't occur on my Windows 10 system running QGIS LTR 3.40.11. The custom functions can be either saved in the QGIS project or in the QGIS user profile (in the \python\expressions\ folder inside the current QGIS user profile folder). In the former case, the functions are automatically loaded when such QGIS project is opened, while in the latter case, the functions are automatically loaded when such QGIS user profile is used. Normally there is no need to use any startup.py or __init__.py file. Are you sure you are using the right QGIS project file or QGIS user profile in which the functions were saved? It would be useful if you indicated the exact QGIS version and Operative System name and version used and exact step-by-step procedure you follow to create and save the functions. Regards. Andrea > dejardinjp at gmail.com dejardinjp at gmail.com > Sat Oct 4 08:38:36 PDT 2025 > I've a few Python expressions encoded through the function editor within the > field calculator. > As I save and load them, they appear in the "Custom" section, but if I > restart QGis the complete Custom section disappears from the panel and I've > to reload the expressions. > > I tried to manage it with a startup.py or __init__.py, but it failed . Any > idea ? THX From laurent.celati at gmail.com Sun Oct 5 11:18:22 2025 From: laurent.celati at gmail.com (celati Laurent) Date: Sun, 5 Oct 2025 20:18:22 +0200 Subject: [Qgis-user] Qgis Form // Attached tool / Big performance problem for table opening Message-ID: Dear all, I work with Windows with Qgis 3.34.13-Prizren. I have a Qgis project destined to be shipped on a tablet for the field (Qfield). The project contains a polygonal layer of 3427 objects (file shp). There are many columns with different types. There also relational values / joins setted for this form. So the project also includes .csv files (for relational values). The problem : the opening of this table attribute takes up to 40 seconds. I spent time to identify where the problem may come from. At one time I thought for joins/relational values. Or also CSV format. As we can see here : https://gis.stackexchange.com/questions/423054/what-is-slowing-qgis-the-most-when-opening-form After several hours of investigation, the source of the problem seems to come from 4 columns (string) for strore the pictures. After removing those 4 columns of the form, the opening time of the table become normal. I have tried to "play" with the parameter for this form attached tool, (as for example relative/absolute path size of the images, etc.). But in vain. Have people ever been confronted with this problem/limitation/problem of table opeining performance regarding the attribute form design? Linking with attached tool for image/picture ? For information, a SS of the interface : [image: image.png] [1]: https://gis.stackexchange.com/questions/423054/what-is-slowing-qgis-the-most-when-opening-form [2]: https://i.sstatic.net/28yZWYM6.jpg -------------- next part -------------- An HTML attachment was scrubbed... URL: -------------- next part -------------- A non-text attachment was scrubbed... Name: image.png Type: image/png Size: 67779 bytes Desc: not available URL: From dejardinjp at gmail.com Mon Oct 6 00:53:51 2025 From: dejardinjp at gmail.com (dejardinjp at gmail.com) Date: Mon, 6 Oct 2025 09:53:51 +0200 Subject: [Qgis-user] py expressions don't load automatically in the Custom section In-Reply-To: References: Message-ID: <029601dc3696$5b444f70$11ccee50$@gmail.com> Hi Andrea, I?m using 3.40.9 on Windows 11 24H2. I tried both solutions (Function file and function project), but with same issue. I can see the Custom section if I load the function, but it doesn?t remain if I just restart QGis (with default profile ). What I can add is I keep several releases of QGis installed (I also tried with 3.28 without success), but may be it brings confusion Rgds, JP -----Message d'origine----- De?: QGIS-User De la part de qgis-user-request at lists.osgeo.org Envoy??: dimanche 5 octobre 2025 20:19 ??: qgis-user at lists.osgeo.org Objet?: QGIS-User Digest, Vol 236, Issue 1 Send QGIS-User mailing list submissions to qgis-user at 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 qgis-user-request at lists.osgeo.org You can reach the person managing the list at qgis-user-owner at lists.osgeo.org When replying, please edit your Subject line so it is more specific than "Re: Contents of QGIS-User digest..." Today's Topics: 1. QGIS2web crash (Stephen Sacks) 2. crucial typo (Stephen Sacks) 3. Re: QGIS2web crash (Andreas Neumann) 4. Dissolve keeping all attributes values (concatenation/aggregation)? (celati Laurent) 5. Incomplete German Localization in QGIS 3.44.2/3.44.3 (Thomas W?lk) 6. Re: Dissolve keeping all attributes values (concatenation/aggregation)? (chris hermansen) 7. Re: Dissolve keeping all attributes values (concatenation/aggregation)? (celati Laurent) 8. Re: Incomplete German Localization in QGIS 3.44.2/3.44.3 (Andrea Giudiceandrea) 9. py expressions don't load automatically in the Custom section (dejardinjp at gmail.com) 10. Re: py expressions don't load automatically in the Custom section (Andrea Giudiceandrea) 11. Qgis Form // Attached tool / Big performance problem for table opening (celati Laurent) ---------------------------------------------------------------------- Message: 1 Date: Mon, 29 Sep 2025 18:42:00 -0400 From: Stephen Sacks To: "forum, QGIS forum" Subject: [Qgis-user] QGIS2web crash Message-ID: Content-Type: text/plain; charset="utf-8"; Format="flowed" QGIS2web problem. My map has two layers (trees and shrubs).? If both layers use a single svg marker everything looks as it should, both on my desktop and when I export to the web (Leaflet).? But if one layer (shrubs) uses categorized? svg markers then qgis2web crashes when I click Export (see attached error message). The crash occurs even if all six categories use the same svg file (which is the same svg which works smoothly in the single marker, i.e., not-categorized, case). The error message says can't find 'chosen/ShrubPoss1_green.svg' , which is a reference to a folder and file which I had used earlier but don't use now.? I recreated both the folder and the file just so they can satisfy some software bug that failed to clear some buffer, but that does solve my problem. I'm using QGIS2web(version 3.29.0) and running QGIS v3.40.10 Bratislava on Windows 11. Any advice would be most welcome.? Thanks in advance for your time. Steve -------------- next part -------------- An error has occurred while executing Python code: FileNotFoundError: [Errno 2] No such file or directory: 'chosen/ShrubPoss1_green.svg' Traceback (most recent call last): File "C:\Users/steph/AppData/Roaming/QGIS/QGIS3\profiles\my-new-profile/python/pl ugins\qgis2web\maindialog.py", line 519, in saveMap results = writer.write(self.iface, ^^^^^^^^^^^^^^^^^^^^^^^^ File "C:\Users/steph/AppData/Roaming/QGIS/QGIS3\profiles\my-new-profile/python/pl ugins\qgis2web\leafletWriter.py", line 94, in write self.preview_file = self.writeLeaflet( ^^^^^^^^^^^^^^^^^^ File "C:\Users/steph/AppData/Roaming/QGIS/QGIS3\profiles\my-new-profile/python/pl ugins\qgis2web\leafletWriter.py", line 293, in writeLeaflet useOSMB) = writeVectorLayer(layer, safeLayerName, ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "C:\Users/steph/AppData/Roaming/QGIS/QGIS3\profiles\my-new-profile/python/pl ugins\qgis2web\leafletLayerScripts.py", line 127, in writeVectorLayer useShapes) = getLayerStyle(layer, safeLayerName, interactive, ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "C:\Users/steph/AppData/Roaming/QGIS/QGIS3\profiles\my-new-profile/python/pl ugins\qgis2web\leafletStyleScripts.py", line 64, in getLayerStyle pattern) = getSymbolAsStyle(cat.symbol(), markerFolder, ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "C:\Users/steph/AppData/Roaming/QGIS/QGIS3\profiles\my-new-profile/python/pl ugins\qgis2web\leafletStyleScripts.py", line 244, in getSymbolAsStyle f = open(sl.path()) ^^^^^^^^^^^^^^^ FileNotFoundError: [Errno 2] No such file or directory: 'chosen/ShrubPoss1_green.svg' Python version: 3.12.11 (main, Jun 17 2025, 13:41:12) [MSC v.1943 64 bit (AMD64)] QGIS version: 3.40.10-Bratislava Bratislava, c98da2e682 Python Path: C:/PROGRA~1/QGIS 3.40.10/apps/qgis-ltr/./python C:/Users/steph/AppData/Roaming/QGIS/QGIS3\profiles\my-new-profile/python C:/Users/steph/AppData/Roaming/QGIS/QGIS3\profiles\my-new-profile/python/plu gins C:/PROGRA~1/QGIS 3.40.10/apps/qgis-ltr/./python/plugins C:\PROGRA~1\QGIS 3.40.10\apps\grass\grass84\etc\python C:\Users\steph\Documents C:\Program Files\QGIS 3.40.10\bin\python312.zip C:\PROGRA~1\QGIS 3.40.10\apps\Python312\DLLs C:\PROGRA~1\QGIS 3.40.10\apps\Python312\Lib C:\Program Files\QGIS 3.40.10\bin C:\Users\steph\AppData\Roaming\Python\Python312\site-packages C:\PROGRA~1\QGIS 3.40.10\apps\Python312 C:\PROGRA~1\QGIS 3.40.10\apps\Python312\Lib\site-packages C:\PROGRA~1\QGIS 3.40.10\apps\Python312\Lib\site-packages\win32 C:\PROGRA~1\QGIS 3.40.10\apps\Python312\Lib\site-packages\win32\lib C:\PROGRA~1\QGIS 3.40.10\apps\Python312\Lib\site-packages\Pythonwin C:/Users/steph/AppData/Roaming/QGIS/QGIS3\profiles\my-new-profile/python C:\Users\steph\AppData\Roaming\QGIS\QGIS3\profiles\my-new-profile\python\plu gins C:/Promenade/GIS/data/projects ------------------------------ Message: 2 Date: Mon, 29 Sep 2025 18:47:18 -0400 From: Stephen Sacks To: qgis forum Subject: [Qgis-user] crucial typo Message-ID: Content-Type: text/plain; charset=UTF-8; format=flowed I just noticed a crucial typo in the message I sent a moment ago: ?? "but that does solve my problem."? should be "but that does NOT solve my problem." Steve ------------------------------ Message: 3 Date: Tue, 30 Sep 2025 08:07:44 +0200 From: Andreas Neumann To: Stephen Sacks Cc: "forum, QGIS forum" Subject: Re: [Qgis-user] QGIS2web crash Message-ID: Content-Type: text/plain; charset="us-ascii"; Format="flowed" Hi Steve, QGIS2web is a Python plugin, not officially supported by QGIS. In such a case you should reach out to the plugin author (or team). See https://github.com/qgis2web/qgis2web for more details. They also have an issue tracker at Github for their plugin. Hopefully this helps to reach out to the ones who could probably help. Andreas On 2025-09-30 00:42, Stephen Sacks via QGIS-User wrote: > QGIS2web problem. > My map has two layers (trees and shrubs). If both layers use a single > svg marker everything looks as it should, both on my desktop and when > I export to the web (Leaflet). But if one layer (shrubs) uses > categorized svg markers then qgis2web crashes when I click Export > (see attached error message). The crash occurs even if all six > categories use the same svg file (which is the same svg which works > smoothly in the single marker, i.e., not-categorized, case). The error > message says can't find 'chosen/ShrubPoss1_green.svg' , which is a > reference to a folder and file which I had used earlier but don't use > now. I recreated both the folder and the file just so they can > satisfy some software bug that failed to clear some buffer, but that > does solve my problem. > I'm using QGIS2web(version 3.29.0) and running QGIS v3.40.10 > Bratislava on Windows 11. > Any advice would be most welcome. Thanks in advance for your time. > Steve > > _______________________________________________ > QGIS-User mailing list > QGIS-User at lists.osgeo.org > List info: https://lists.osgeo.org/mailman/listinfo/qgis-user > Unsubscribe: https://lists.osgeo.org/mailman/listinfo/qgis-user -------------- next part -------------- An HTML attachment was scrubbed... URL: ------------------------------ Message: 4 Date: Tue, 30 Sep 2025 16:09:55 +0200 From: celati Laurent To: qgis-user Subject: [Qgis-user] Dissolve keeping all attributes values (concatenation/aggregation)? Message-ID: Content-Type: text/plain; charset="utf-8" Dear all, I work with qgis and postgis. I would like to perform a "dissolve": https://docs.qgis.org/3.40/en/docs/user_manual/processing_algs/qgis/vectorge ometry.html#dissolve in keeping/preserving all attributes values ? For instance : a kind of aggregation/concatenation within new "output features" ? I Saw this post : https://www.aproposinfosystems.com/en/about/blog/managing-attributes-postgis -dissolve/ I have tried to reproduce the proposal with my postgis table containing several polygons *SELECT min(union_v4.max_hierar) as id, array_agg(union_v4.id ) as ids, union_v6.geomFROM union_v4, (SELECT (ST_Dump(St_multi(ST_Union(geom)))).geom as geom FROM union_v6WHERE st_intersects(union_v4.geom, union_v6.geom)GROUP BY union_v6.geom* But i obtain : *ERROR: syntax error at the end of the entryLINE 12: GROUP BY union_v6.geom ^ERROR: syntax error at the end of the entrySQL state: 42601Characters: 285* Thanks so much -------------- next part -------------- An HTML attachment was scrubbed... URL: ------------------------------ Message: 5 Date: Tue, 30 Sep 2025 14:42:45 +0000 From: Thomas W?lk To: qgis-user Subject: [Qgis-user] Incomplete German Localization in QGIS 3.44.2/3.44.3 Message-ID: Content-Type: text/plain; charset="utf-8" Hello QGIS Community, I am using QGIS 3.44.2/3.44.3 with the language set to German and have noticed that localization is incomplete in various parts of the application. Some terms and menu items are displayed in English, even though the system language is correctly set to German. Observed Issues: - Menus and submenus display mixed languages (German/English) - Tooltips and help texts are not translated My Configuration: - QGIS Version: 3.44.2/3.44.3 - Operating System: Windows 11 - Language Setting: German (Germany) - Installation: via OSGeo4W Is there a way to (re)install the improved German localization? -- Kind regards, Thomas -------------- next part -------------- An HTML attachment was scrubbed... URL: ------------------------------ Message: 6 Date: Tue, 30 Sep 2025 08:39:24 -0700 From: chris hermansen To: celati Laurent Cc: qgis-user Subject: Re: [Qgis-user] Dissolve keeping all attributes values (concatenation/aggregation)? Message-ID: Content-Type: text/plain; charset="utf-8" Laurent and list, On Tue, Sep 30, 2025, 07:14 celati Laurent via QGIS-User < qgis-user at lists.osgeo.org> wrote: > Dear all, > > I work with qgis and postgis. I would like to perform a "dissolve": > > https://docs.qgis.org/3.40/en/docs/user_manual/processing_algs/qgis/ve > ctorgeometry.html#dissolve > > in keeping/preserving all attributes values ? For instance : a kind > of aggregation/concatenation within new "output features" ? > > I Saw this post : > > > https://www.aproposinfosystems.com/en/about/blog/managing-attributes-p > ostgis-dissolve/ > postgis-dissolve/> > > I have tried to reproduce the proposal with my postgis table > containing several polygons > > > > > > > > > > > > > *SELECT min(union_v4.max_hierar) as id, array_agg(union_v4.id > ) as ids, union_v6.geomFROM union_v4, (SELECT > (ST_Dump(St_multi(ST_Union(geom)))).geom as geom FROM union_v6WHERE > st_intersects(union_v4.geom, union_v6.geom)GROUP BY union_v6.geom* > > But i obtain : > > > > > > > *ERROR: syntax error at the end of the entryLINE 12: GROUP BY > union_v6.geom ^ERROR: syntax error at the end of the entrySQL state: > 42601Characters: 285* > I'm on my phone and squinting a bit here but aren't you missing a right parenthesis? Ending your correlated sub query? > > -------------- next part -------------- An HTML attachment was scrubbed... URL: ------------------------------ Message: 7 Date: Tue, 30 Sep 2025 19:02:23 +0200 From: celati Laurent To: chris hermansen Cc: qgis-user Subject: Re: [Qgis-user] Dissolve keeping all attributes values (concatenation/aggregation)? Message-ID: Content-Type: text/plain; charset="utf-8" Dear Chris, Thank you. Indeed, You right. But when i rerun the query with the edit (adding the closing parenthesis) : *SELECT min(union_v4.max_hierar) as id, array_agg(union_v4.id ) as ids, union_v6.geomFROM union_v4, (SELECT (ST_Dump(St_multi(ST_Union(geom)))).geom as geom FROM union_v6)WHERE st_intersects(union_v4.geom, union_v6.geom)GROUP BY union_v6.geom* I obtain this time the message : ERROR: la relation ? union_v4 ? n'existe pas LINE 5: FROM union_v4, ^ ERREUR: la relation ? union_v4 ? n'existe pas SQL state: 42P01 Character: 105 However, i have one table called "union_v4" within my postgis db. thanks so much. Le mar. 30 sept. 2025 ? 17:39, chris hermansen a ?crit : > Laurent and list, > > > On Tue, Sep 30, 2025, 07:14 celati Laurent via QGIS-User < > qgis-user at lists.osgeo.org> wrote: > >> Dear all, >> >> I work with qgis and postgis. I would like to perform a "dissolve": >> >> https://docs.qgis.org/3.40/en/docs/user_manual/processing_algs/qgis/v >> ectorgeometry.html#dissolve >> >> in keeping/preserving all attributes values ? For instance : a kind >> of aggregation/concatenation within new "output features" ? >> >> I Saw this post : >> >> >> https://www.aproposinfosystems.com/en/about/blog/managing-attributes- >> postgis-dissolve/ >> > -postgis-dissolve/> >> >> I have tried to reproduce the proposal with my postgis table >> containing several polygons >> >> >> >> >> >> >> >> >> >> >> >> >> *SELECT min(union_v4.max_hierar) as id, array_agg(union_v4.id >> ) as ids, union_v6.geomFROM union_v4, (SELECT >> (ST_Dump(St_multi(ST_Union(geom)))).geom as geom FROM union_v6WHERE >> st_intersects(union_v4.geom, union_v6.geom)GROUP BY union_v6.geom* >> >> But i obtain : >> >> >> >> >> >> >> *ERROR: syntax error at the end of the entryLINE 12: GROUP BY >> union_v6.geom ^ERROR: syntax error at the end of the entrySQL state: >> 42601Characters: 285* >> > > I'm on my phone and squinting a bit here but aren't you missing a > right parenthesis? Ending your correlated sub query? > >> >> -------------- next part -------------- An HTML attachment was scrubbed... URL: ------------------------------ Message: 8 Date: Wed, 1 Oct 2025 20:34:40 +0200 From: Andrea Giudiceandrea To: qgis-user at lists.osgeo.org Subject: Re: [Qgis-user] Incomplete German Localization in QGIS 3.44.2/3.44.3 Message-ID: <348e1200-2364-4f1b-9101-7f687fe0f04e at libero.it> Content-Type: text/plain; charset=UTF-8; format=flowed > Thomas W?lk thomas.woelk at gmail.com > Tue Sep 30 07:42:45 PDT 2025 > I am using QGIS 3.44.2/3.44.3 with the language set to German and have > noticed that localization is incomplete in various parts of the > application. Some terms and menu items are displayed in English, even > though the system language is correctly set to German. Hi Thomas, such issue is probably the same known issue already previously reported various times for various languages but unfortunately not yet fixed. Please see https://github.com/qgis/QGIS/issues/61291. Regards. Andrea ------------------------------ Message: 9 Date: Sat, 4 Oct 2025 17:38:36 +0200 From: To: Subject: [Qgis-user] py expressions don't load automatically in the Custom section Message-ID: <01f301dc3544$f32c7ea0$d9857be0$@gmail.com> Content-Type: text/plain; charset="us-ascii" Hi All, I've a few Python expressions encoded through the function editor within the field calculator. As I save and load them, they appear in the "Custom" section, but if I restart QGis the complete Custom section disappears from the panel and I've to reload the expressions. I tried to manage it with a startup.py or __init__.py, but it failed . Any idea ? THX JP -------------- next part -------------- An HTML attachment was scrubbed... URL: ------------------------------ Message: 10 Date: Sat, 4 Oct 2025 19:31:18 +0200 From: Andrea Giudiceandrea To: qgis-user at lists.osgeo.org Subject: Re: [Qgis-user] py expressions don't load automatically in the Custom section Message-ID: <63d8d017-d965-43f8-825f-2441ccdc50a5 at libero.it> Content-Type: text/plain; charset=UTF-8; format=flowed Hi JP, the issue doesn't occur on my Windows 10 system running QGIS LTR 3.40.11. The custom functions can be either saved in the QGIS project or in the QGIS user profile (in the \python\expressions\ folder inside the current QGIS user profile folder). In the former case, the functions are automatically loaded when such QGIS project is opened, while in the latter case, the functions are automatically loaded when such QGIS user profile is used. Normally there is no need to use any startup.py or __init__.py file. Are you sure you are using the right QGIS project file or QGIS user profile in which the functions were saved? It would be useful if you indicated the exact QGIS version and Operative System name and version used and exact step-by-step procedure you follow to create and save the functions. Regards. Andrea > dejardinjp at gmail.com dejardinjp at gmail.com Sat Oct 4 08:38:36 PDT > 2025 I've a few Python expressions encoded through the function editor > within the field calculator. > As I save and load them, they appear in the "Custom" section, but if I > restart QGis the complete Custom section disappears from the panel and > I've to reload the expressions. > > I tried to manage it with a startup.py or __init__.py, but it failed . > Any idea ? THX ------------------------------ Message: 11 Date: Sun, 5 Oct 2025 20:18:22 +0200 From: celati Laurent To: qgis-user Subject: [Qgis-user] Qgis Form // Attached tool / Big performance problem for table opening Message-ID: Content-Type: text/plain; charset="utf-8" Dear all, I work with Windows with Qgis 3.34.13-Prizren. I have a Qgis project destined to be shipped on a tablet for the field (Qfield). The project contains a polygonal layer of 3427 objects (file shp). There are many columns with different types. There also relational values / joins setted for this form. So the project also includes .csv files (for relational values). The problem : the opening of this table attribute takes up to 40 seconds. I spent time to identify where the problem may come from. At one time I thought for joins/relational values. Or also CSV format. As we can see here : https://gis.stackexchange.com/questions/423054/what-is-slowing-qgis-the-most -when-opening-form After several hours of investigation, the source of the problem seems to come from 4 columns (string) for strore the pictures. After removing those 4 columns of the form, the opening time of the table become normal. I have tried to "play" with the parameter for this form attached tool, (as for example relative/absolute path size of the images, etc.). But in vain. Have people ever been confronted with this problem/limitation/problem of table opeining performance regarding the attribute form design? Linking with attached tool for image/picture ? For information, a SS of the interface : [image: image.png] [1]: https://gis.stackexchange.com/questions/423054/what-is-slowing-qgis-the-most -when-opening-form [2]: https://i.sstatic.net/28yZWYM6.jpg -------------- next part -------------- An HTML attachment was scrubbed... URL: -------------- next part -------------- A non-text attachment was scrubbed... Name: image.png Type: image/png Size: 67779 bytes Desc: not available URL: ------------------------------ Subject: Digest Footer _______________________________________________ QGIS-User mailing list QGIS-User at lists.osgeo.org List info: https://lists.osgeo.org/mailman/listinfo/qgis-user Unsubscribe: https://lists.osgeo.org/mailman/listinfo/qgis-user ------------------------------ End of QGIS-User Digest, Vol 236, Issue 1 ***************************************** From eleonore.wolff at ulb.be Mon Oct 6 03:53:42 2025 From: eleonore.wolff at ulb.be (=?Windows-1252?Q?WOLFF_El=E9onore?=) Date: Mon, 6 Oct 2025 10:53:42 +0000 Subject: [Qgis-user] Composer : several maps at various scale on a single layout Message-ID: Hi, I am using QGIS 3.28 Firenze because my old computer cannot support a more recent version. I would like to print one single layout composed of 19 maps at various scale. I have 2 layers in the view which are filtered to display for each map the relevant elements. When I add a new map in the composer after having blocked the first map, the content of the first map is changing according to what?s in the view :-/ which is exactly what I wanted to avoid. Could you please tell me how to proceed ? Thank you very much El?onore -------------- next part -------------- An HTML attachment was scrubbed... URL: From stefan.giese at wheregroup.com Mon Oct 6 04:01:39 2025 From: stefan.giese at wheregroup.com (Stefan Giese (WhereGroup)) Date: Mon, 6 Oct 2025 13:01:39 +0200 Subject: [Qgis-user] Composer : several maps at various scale on a single layout In-Reply-To: References: Message-ID: Hi, the key feature to achieve what you want are map themes (the eye in the layer tree widget), where you can define combinations of visible layers. So you can define for each composer map the visible layers and use them in the layout via "Follow map theme". see https://docs.qgis.org/3.40/en/docs/user_manual/introduction/general_tools.html#map-themes for more information Best regards Stefan Am 06.10.2025 um 12:53 schrieb WOLFF El?onore via QGIS-User: > > Hi, > > I am using QGIS 3.28 Firenze because my old computer cannot support a > more recent version. > > I would like to print one single layout composed of 19 maps at various > scale.? I have 2 layers in the view which are filtered to display for > each map the relevant elements. > > When I add a new map in the composer after having blocked the first > map, the content of the first map is changing according to what?s in > the view :-/ which is exactly what I wanted to avoid. > > Could you please tell me how to proceed ? > > Thank you very much > > El?onore > > > _______________________________________________ > QGIS-User mailing list > QGIS-User at lists.osgeo.org > List info:https://lists.osgeo.org/mailman/listinfo/qgis-user > Unsubscribe:https://lists.osgeo.org/mailman/listinfo/qgis-user Stefan Giese GIS-Consulting WhereGroup Logo WhereGroup GmbH Schwimmbadstr. 2 79100 Freiburg Deutschland +49 761 519102 61 stefan.giese at wheregroup.com www.wheregroup.com Gesch?ftsf?hrer: Olaf Knopp, Peter Stamm Amtsgericht Bonn, HRB 9885 -------------- next part -------------- An HTML attachment was scrubbed... URL: -------------- next part -------------- A non-text attachment was scrubbed... Name: girESJewDUHXnJnE.png Type: image/png Size: 8021 bytes Desc: not available URL: From karlo at latnet.lv Mon Oct 6 08:57:09 2025 From: karlo at latnet.lv (Karlo no Dabas maajas) Date: Mon, 6 Oct 2025 18:57:09 +0300 Subject: [Qgis-user] QGIS benchmarking Message-ID: Hi, Is there any standardized benchmarking for QGIS to create a reference table for minimum hardware requirements needed to perform specific tasks? I was surprised by the statement, ?My old computer cannot support a more recent version.? It?s likely that the computer in question struggles with the operating system (e.g., Microsoft Windows) rather than QGIS itself. For instance, macOS High Sierra supports more recent QGIS versions, so a Mac is unlikely to be the issue. To clarify, I?ve successfully performed resource-intensive tasks using QGIS 3.38 on a 13-year-old Dell Inspiron (8 GB RAM, Intel Core i3-2370M CPU) running a Linux-based system. I see no significant barriers to upgrading to the latest QGIS version, aside from my own reluctance to update. I?d appreciate any insights on standardized benchmarking or hardware recommendations for QGIS. Best regards, Karlis From gdt at lexort.com Mon Oct 6 11:26:55 2025 From: gdt at lexort.com (Greg Troxel) Date: Mon, 06 Oct 2025 14:26:55 -0400 Subject: [Qgis-user] QGIS benchmarking In-Reply-To: (Karlo no Dabas maajas via's message of "Mon, 6 Oct 2025 18:57:09 +0300") References: Message-ID: Karlo no Dabas maajas via QGIS-User writes: > I was surprised by the statement, ?My old computer cannot support a > more recent version.? It?s likely that the computer in question > struggles with the operating system (e.g., Microsoft Windows) rather > than QGIS itself. For instance, macOS High Sierra supports more recent > QGIS versions, so a Mac is unlikely to be the issue. I too found it a strange statement, and the only reasonable interpretation was that the base OS software was too old and the person was unwilling (or too organizationally constrained) to fix that. > To clarify, I?ve successfully performed resource-intensive tasks using > QGIS 3.38 on a 13-year-old Dell Inspiron (8 GB RAM, Intel Core > i3-2370M CPU) running a Linux-based system. I see no significant > barriers to upgrading to the latest QGIS version, aside from my own > reluctance to update. It makes sense to me that it runs fine. I suspect if you were dealing with 64G of point cloud, or doing imagery transforms on 64G of imagery *all the time*, you'd want a bigger computer. My main computer is only 6 years old, 32 GB RAM, i7-9700 and SSD - a Dell bought used retiring from corporate service. I wasn't worried about qgis usage when I got it and I'm still not. Startup is non-instant, taking 5s when I think it should be 1s, but not a big deal (probably a lot of serialization with netowrk delays, not bad enough to motivate anybody!), and after that things are generally very good. > I?d appreciate any insights on standardized benchmarking or hardware > recommendations for QGIS. This gets asked a lot, and I think it comes to "qgis is not a workload". qgis is a program with which one can do many things. It's like asking how big a computer do you need to compile C programs, to run emacs, or to have a postgresql database. It depends: do you want one table with 100 rows, or do you want to store the entire openstreetmap database and serve read/write requests for the entire population of editors? (My impression is that the main OSM db server is very impressive, and 512 MB of RAM and a 400 MB spinning disk will do fine for one pgsql table, the best 2002 had to offer.) A project with one or two TMS base layers and a few geopackages with a hundred features is going to run ok on computers that are considered just barely able to run a modern (bloated) web browser. (Your computer is arguably 4x as big as what I mean here.) Someone wanting to load 32 GB of imagery or point cloud and do operations on them is going to have a hard time on a computer with 2 GB of RAM. Someone wanting to process 1 TB is going to have an even harder time. I think it comes down to; if you're going to be doing heavy raster processing, for professional use, then get a lot of memory. Regardless, get a fairly large amount of memory, and use good-quality SSDs. Separately from QGIS, I'd say "do not buy a computer now unless it has at least 32 GB of RAM". And if you are building a professional-use qgis workstation for raster processing (not just basemap display or looking at imagery), then I'd get 128 GB. But really think about your data qsizes and try it on a 32 GB RAM machine first. There's probably more to it, but to me this shows the gulf between those who think like I do and those who think this is more complicated and more well defined. I could very well be off; corrections and actual experience welcome. Greg From senhor.neto at gmail.com Tue Oct 7 00:40:55 2025 From: senhor.neto at gmail.com (Alexandre Neto) Date: Tue, 7 Oct 2025 08:40:55 +0100 Subject: [Qgis-user] Composer : several maps at various scale on a single layout In-Reply-To: References: Message-ID: This is the trick. Don't lock maps and styles on the composer itself, create different themes and ask each map to follow a different theme. Moreover, if the same layer is supposed to have more than on style, notice that you can add several styles to the layer. Right-click > Style > add style. A theme stores what layers are visible and which style are they using. Best regards, Alex A segunda, 6/10/2025, 12:10, Stefan Giese (WhereGroup) via QGIS-User < qgis-user at lists.osgeo.org> escreveu: > Hi, > > the key feature to achieve what you want are map themes (the eye in the > layer tree widget), where you can define combinations of visible layers. So > you can define for each composer map the visible layers and use them in the > layout via "Follow map theme". > > see > https://docs.qgis.org/3.40/en/docs/user_manual/introduction/general_tools.html#map-themes > for more information > > Best regards > > Stefan > Am 06.10.2025 um 12:53 schrieb WOLFF El?onore via QGIS-User: > > Hi, > > I am using QGIS 3.28 Firenze because my old computer cannot support a more > recent version. > > I would like to print one single layout composed of 19 maps at various > scale. I have 2 layers in the view which are filtered to display for each > map the relevant elements. > > When I add a new map in the composer after having blocked the first map, > the content of the first map is changing according to what?s in the view > :-/ which is exactly what I wanted to avoid. > > Could you please tell me how to proceed ? > > Thank you very much > > El?onore > > > > _______________________________________________ > QGIS-User mailing listQGIS-User at lists.osgeo.org > List info: https://lists.osgeo.org/mailman/listinfo/qgis-user > Unsubscribe: https://lists.osgeo.org/mailman/listinfo/qgis-user > > Stefan Giese > > GIS-Consulting > > [image: WhereGroup Logo] > > > WhereGroup GmbH > Schwimmbadstr. 2 > > 79100 Freiburg > > Deutschland > > > +49 761 519102 61 > > stefan.giese at wheregroup.com > www.wheregroup.com > > Gesch?ftsf?hrer: > Olaf Knopp, Peter Stamm > Amtsgericht Bonn, HRB 9885 > _______________________________________________ > QGIS-User mailing list > QGIS-User at lists.osgeo.org > List info: https://lists.osgeo.org/mailman/listinfo/qgis-user > Unsubscribe: https://lists.osgeo.org/mailman/listinfo/qgis-user > -------------- next part -------------- An HTML attachment was scrubbed... URL: -------------- next part -------------- A non-text attachment was scrubbed... Name: girESJewDUHXnJnE.png Type: image/png Size: 8021 bytes Desc: not available URL: -------------- next part -------------- A non-text attachment was scrubbed... Name: girESJewDUHXnJnE.png Type: image/png Size: 8021 bytes Desc: not available URL: From eleonore.wolff at ulb.be Tue Oct 7 01:06:59 2025 From: eleonore.wolff at ulb.be (=?Windows-1252?Q?WOLFF_El=E9onore?=) Date: Tue, 7 Oct 2025 08:06:59 +0000 Subject: [Qgis-user] Composer : several maps at various scale on a single layout In-Reply-To: References: Message-ID: Thank you very much for the second advise. Without using the styles, yesterday adding themes allowed me to compose a single layout with several maps. Here is a snapshot [Image] All the best, El?onore De : QGIS-User de la part de Alexandre Neto via QGIS-User Date : mardi, 7 octobre 2025 ? 09:41 ? : Stefan Giese (WhereGroup) Cc : QGIS User Objet : Re: [Qgis-user] Composer : several maps at various scale on a single layout This is the trick. Don't lock maps and styles on the composer itself, create different themes and ask each map to follow a different theme. Moreover, if the same layer is supposed to have more than on style, notice that you can add several styles to the layer. Right-click > Style > add style. A theme stores what layers are visible and which style are they using. Best regards, Alex A segunda, 6/10/2025, 12:10, Stefan Giese (WhereGroup) via QGIS-User > escreveu: Hi, the key feature to achieve what you want are map themes (the eye in the layer tree widget), where you can define combinations of visible layers. So you can define for each composer map the visible layers and use them in the layout via "Follow map theme". see https://docs.qgis.org/3.40/en/docs/user_manual/introduction/general_tools.html#map-themes for more information Best regards Stefan Am 06.10.2025 um 12:53 schrieb WOLFF El?onore via QGIS-User: Hi, I am using QGIS 3.28 Firenze because my old computer cannot support a more recent version. I would like to print one single layout composed of 19 maps at various scale. I have 2 layers in the view which are filtered to display for each map the relevant elements. When I add a new map in the composer after having blocked the first map, the content of the first map is changing according to what?s in the view :-/ which is exactly what I wanted to avoid. Could you please tell me how to proceed ? Thank you very much El?onore _______________________________________________ QGIS-User mailing list QGIS-User at lists.osgeo.org List info: https://lists.osgeo.org/mailman/listinfo/qgis-user Unsubscribe: https://lists.osgeo.org/mailman/listinfo/qgis-user Stefan Giese GIS-Consulting [WhereGroup Logo] WhereGroup GmbH Schwimmbadstr. 2 79100 Freiburg Deutschland +49 761 519102 61 stefan.giese at wheregroup.com www.wheregroup.com Gesch?ftsf?hrer: Olaf Knopp, Peter Stamm Amtsgericht Bonn, HRB 9885 _______________________________________________ QGIS-User mailing list QGIS-User at lists.osgeo.org List info: https://lists.osgeo.org/mailman/listinfo/qgis-user Unsubscribe: https://lists.osgeo.org/mailman/listinfo/qgis-user -------------- next part -------------- An HTML attachment was scrubbed... URL: -------------- next part -------------- A non-text attachment was scrubbed... Name: image001.png Type: image/png Size: 62999 bytes Desc: image001.png URL: From bnapier at greenvalleyconsulting.com.au Tue Oct 7 21:09:56 2025 From: bnapier at greenvalleyconsulting.com.au (Bruce Napier) Date: Wed, 8 Oct 2025 04:09:56 +0000 Subject: [Qgis-user] QGIS Training and Specialist Materials Message-ID: Hi all, I'm considering applying for a grant from an industry body to develop QGIS training materials specifically for farmers - actually to assist beef producers (ranchers) manage soils and pastures. It is intended that, following provision of training workshops, the materials will be released publicly for general use. Also hoping to develop a local community of practice around this Can someone please advise what obligations (legal and moral) I would have to the QGIS organization, or where I should look to find this out? Many thanks Bruce Napier -------------- next part -------------- An HTML attachment was scrubbed... URL: From gdt at lexort.com Wed Oct 8 04:49:01 2025 From: gdt at lexort.com (Greg Troxel) Date: Wed, 08 Oct 2025 07:49:01 -0400 Subject: [Qgis-user] QGIS Training and Specialist Materials In-Reply-To: (Bruce Napier via's message of "Wed, 8 Oct 2025 04:09:56 +0000") References: Message-ID: Bruce Napier via QGIS-User writes: > I'm considering applying for a grant from an industry body to develop > QGIS training materials specifically for farmers - actually to assist > beef producers (ranchers) manage soils and pastures. It is intended > that, following provision of training workshops, the materials will be > released publicly for general use. Also hoping to develop a local > community of practice around this > > Can someone please advise what obligations (legal and moral) I would > have to the QGIS organization, or where I should look to find this > out? I can't speak for 'the QGIS organization' and I'm not even sure what that is exactly*, but speaking as a (non-attorney) member of the Free Software community, the big thing is to follow licenses. You are going to create training materials, and if you write it all from scratch, I don't see a copyright issue. If you adapt materials that exist, then you'll have to read, understand, and follow the license. * I'm not sure because as an individual non-commercial user who helps with packaging (and advice about WGS84 :-) I've never paid attention, but it's on the website: https://qgis.org/community/foundation/charter/ As far as "good Free Software citizen", I'd say you should: - make sure everyone (including those that receive training) understands software licensing at a high level (as in 1 slide :) - make sure people understand that Free Software has volunteer community support and that if they have problems, they should not expect helpdesk/support that comes with paying for a license for vastly expensive proprietary software, and that if they interact with lists/forums/issue-trackers, they should not project that expectation And as "beter Free Software citizen", I'd suggest either: - release your training materials, in source form, under an open license (at least when you are done your grant, as you suggest), or - make a donation to some charitable org that supports qgis-related Free Software (if you are earning money from qgis without contributing developed code/docs to the commons) From geospatial at schula.org Wed Oct 8 05:09:48 2025 From: geospatial at schula.org (Tobias Schula) Date: Wed, 8 Oct 2025 14:09:48 +0200 Subject: [Qgis-user] Qgis Form // Attached tool / Big performance problem for table opening In-Reply-To: References: Message-ID: <1ee0cfbe-7d7b-4258-bc3f-1dbc2eb594b6@schula.org> Am 05.10.25 um 20:18 schrieb celati Laurent via QGIS-User: > I work with Windows with Qgis 3.34.13-Prizren. > I have a Qgis project destined to be shipped on a tablet for the field > (Qfield). > The project contains a polygonal layer of 3427 objects (file shp). There > are many columns with different types. There also relational values / joins > setted for this form. So the project also includes .csv files (for > relational values). Have you tried putting all the data into a database? For example a single geopackage file? Reading CSV is slower than from SQLite. Geopackage is an SQLite database. > The problem : the opening of this table attribute takes up to 40 seconds. I > spent time to identify where the problem may come from. At one time I > thought for joins/relational values. Or also CSV format. As we can see here > : > https://gis.stackexchange.com/questions/423054/what-is-slowing-qgis-the-most-when-opening-form > > After several hours of investigation, the source of the problem seems to > come from 4 columns (string) for strore the pictures. After removing those > 4 columns of the form, the opening time of the table become normal. > I have tried to "play" with the parameter for this form attached tool, (as > for example relative/absolute path size of the images, etc.). But in vain. Are you storing the picture in a separate table? For pictures, this is the approach QField recommends: https://docs.qfield.org/how-to/pictures/ -- Tobias A Schula Forestry Expert geospatial at schula.org -------------- next part -------------- A non-text attachment was scrubbed... Name: OpenPGP_0x3B6BA2B3E91776FA.asc Type: application/pgp-keys Size: 3126 bytes Desc: OpenPGP public key URL: -------------- next part -------------- A non-text attachment was scrubbed... Name: OpenPGP_signature.asc Type: application/pgp-signature Size: 840 bytes Desc: OpenPGP digital signature URL: From rjhale at northrivergeographic.com Wed Oct 8 06:06:51 2025 From: rjhale at northrivergeographic.com (Randal Hale) Date: Wed, 8 Oct 2025 09:06:51 -0400 Subject: [Qgis-user] QGIS Training and Specialist Materials In-Reply-To: References: Message-ID: <971c7016-06d0-4481-b894-6e5c8e05357b@northrivergeographic.com> So I taught QGIS classes way before I was able to give back. It's sort of up to you - there's no legal or moral obligation. Give back what you can however you can if you wish. Help people, Donate money, or do what you can. Having a group of farming folk within the larger QGIS Community would be pretty cool (at least to me). Good Luck! Randy On 10/8/25 00:09, Bruce Napier via QGIS-User wrote: > > Hi all, > > I?m considering applying for a grant from an industry body to develop > QGIS training materials specifically for farmers ? actually to assist > beef producers (ranchers) manage soils and pastures. It is intended > that, following provision of training workshops, the materials will be > released publicly for general use. Also hoping to develop a local > community of practice around this > > Can someone please advise what obligations (legal and moral) I would > have to the QGIS organization, or where I should look to find this out? > > Many thanks > > Bruce Napier > > > _______________________________________________ > QGIS-User mailing list > QGIS-User at lists.osgeo.org > List info:https://lists.osgeo.org/mailman/listinfo/qgis-user > Unsubscribe:https://lists.osgeo.org/mailman/listinfo/qgis-user -- ------------------ Randal Hale North Rivergeographic Systems, Inc https://www.northrivergeographic.com https://www.qgis-us.org https://www.geohipster.com I hope this email finds you in the mountains, and as sun peeps through the trees the squirrels begin foraging. -------------- next part -------------- An HTML attachment was scrubbed... URL: From manarajahmundry2015 at gmail.com Thu Oct 9 00:27:17 2025 From: manarajahmundry2015 at gmail.com (Ravi Kumar) Date: Thu, 9 Oct 2025 12:57:17 +0530 Subject: [Qgis-user] Bug: Raster Mbtiles Message-ID: Qgis3.4. TOOL BOX :Raster Mbtiles creation. Existing file name for over-right gives error. -------------- next part -------------- An HTML attachment was scrubbed... URL: From mettimat116 at gmail.com Thu Oct 9 01:09:18 2025 From: mettimat116 at gmail.com (metti play) Date: Thu, 9 Oct 2025 10:09:18 +0200 Subject: [Qgis-user] Export problem with layout In-Reply-To: References: Message-ID: Good morning everyone, I am experiencing a problem with QGIS on several laptops with different processors and video cards. When exporting with Layout, it loads indefinitely and crashes. I don't understand what the problem is, unfortunately QGIS does not leave me any logs to better understand the problem. Has this ever happened to you? The laptops had the following configurations: - Laptop 1: i9-14th, 32 GB RAM, RTX 3500 - Laptop 2: Ultra 7, 32 GB RAM, RTX A500 - Laptop 3: AMD Ryzen 5 220 w/ Radeon 740M Graphics, 16GB RAM - Laptop 4: i7-11th, 16 GB RAM While it works on my PC, which has an i5-11th and 16 GB RAM, all tests were performed with QGIS 3.40.11 LTR using the same project. Can you give us some tips to solve the problem? Best regards, Mattia -------------- next part -------------- An HTML attachment was scrubbed... URL: From phil at wyatt-family.com Thu Oct 9 14:50:03 2025 From: phil at wyatt-family.com (Phil Wyatt) Date: Fri, 10 Oct 2025 08:50:03 +1100 Subject: [Qgis-user] Export problem with layout In-Reply-To: References: Message-ID: Hi Mattie, Give us some clues as to what layers are in the layout? Network layers, raster, vectors, same user logins, same network? Cheers - Phil, > On 9 Oct 2025, at 7:09?pm, metti play via QGIS-User wrote: > > ? > Good morning everyone, > > I am experiencing a problem with QGIS on several laptops with different processors and video cards. > > When exporting with Layout, it loads indefinitely and crashes. > > I don't understand what the problem is, unfortunately QGIS does not leave me any logs to better understand the problem. > > Has this ever happened to you? The laptops had the following configurations: > > - Laptop 1: i9-14th, 32 GB RAM, RTX 3500 > > - Laptop 2: Ultra 7, 32 GB RAM, RTX A500 > > - Laptop 3: AMD Ryzen 5 220 w/ Radeon 740M Graphics, 16GB RAM > > - Laptop 4: i7-11th, 16 GB RAM > > While it works on my PC, which has an i5-11th and 16 GB RAM, all tests were performed with QGIS 3.40.11 LTR using the same project. > > Can you give us some tips to solve the problem? > > Best regards, > > Mattia > > _______________________________________________ > QGIS-User mailing list > QGIS-User at lists.osgeo.org > List info: https://lists.osgeo.org/mailman/listinfo/qgis-user > Unsubscribe: https://lists.osgeo.org/mailman/listinfo/qgis-user -------------- next part -------------- An HTML attachment was scrubbed... URL: From joe at joelertola.com Thu Oct 9 19:07:08 2025 From: joe at joelertola.com (Joe Lertola) Date: Thu, 9 Oct 2025 22:07:08 -0400 Subject: [Qgis-user] [ANN] TopoToImage - Terrain Visualization Tool with GeoTIFF Export Message-ID: <38C57227-2750-4749-9E94-55AA719795BA@joelertola.com> Hi everyone, I'd like to share an open-source tool that complements QGIS workflows for terrain visualization. TopoToImage 4.0 is a specialized application for converting digital elevation models into colored shaded relief images with GeoTIFF export. It?s designed for users who want a dedicated gradient-based workflow for terrain coloring. Key Features: ? Interactive gradient editor with drag-and-drop color stops ? Professional hillshading with configurable lighting and cast shadows ? Exports georeferenced GeoTIFF files ready for QGIS ? Works with common elevation formats (SRTM, GTOPO30, GMTED2010, etc.) ? Save and share custom gradient libraries ? Free and open-source (MIT license) Typical Workflow: 1. Load elevation data (GeoTIFF, BIL, etc.) 2. Apply or design custom color gradients 3. Configure hillshading and shadows 4. Export as GeoTIFF 5. Import into QGIS as a terrain base layer I know QGIS has excellent built-in terrain visualization tools. TopoToImage offers a different approach focused on rapid gradient experimentation and reusable color schemes - useful when you need to create multiple terrain visualizations with consistent styling. Download & Info: ? GitHub: https://github.com/jlert/TopoToImage/releases/latest ? Documentation: Includes User Guide PDF and Elevation Data Sources guide Platform: ? macOS (Apple Silicon): Download app bundle ? macOS (Intel), Windows, Linux: Download the source code. Run from source (Python 3.8+ required) ? Installation details in README Note for macOS users: The app shows a Gatekeeper warning on first launch (unsigned developer). Right-click ? Open to bypass. Beta Status: This is an early release and I'm actively looking for feedback from the GIS community. If you try it, I'd appreciate hearing what works well and what could be improved. Questions welcome! Best regards, Joe Lertola From John.Janmaat at ubc.ca Thu Oct 9 21:50:11 2025 From: John.Janmaat at ubc.ca (Janmaat, Johannus) Date: Fri, 10 Oct 2025 04:50:11 +0000 Subject: [Qgis-user] Font issue Message-ID: Hello, I installed QGIS 3.40.11. The screen fonts for dialogs were too tiny to read. A web search led me to the settings page, where I changed the font sizes. For most dialogs, this seemed to work. However, for the Settings->Options dialog, the larger fonts have made it unusable. See the included screen shot. Any suggestions? I did remove the QGIS folders, but nothing changed. Thanks. [cid:5d1ec03b-5c43-4968-a8a5-aa7e79c3f4aa] Prof. Johannus (John) A. Janmaat Ph.D., MBA, M.Sc., B.Sc. (He, Him, His) Professor of Economics, RIC Chair in Water Resources and Environmental Sustainability, IGS Sustainability Theme Coordinator Faculty of Arts and Social Sciences | Department of Economics, Philosophy and Political Science The University of British Columbia | Okanagan Campus | Syilx Okanagan Nation Territory 1147 Research Road | Kelowna BC | V1V 1V7 Canada Phone 250 807 8021 john.janmaat at ubc.ca | https://www.linkedin.com/in/john-janmaat-76a0731a/ https://blogs.ubc.ca/jajanmaat/ The UBC Okanagan campus is situated on the traditional, ancestral, unceded territory of the Syilx Okanagan Nation. [UBC E-mail Signature] -------------- next part -------------- An HTML attachment was scrubbed... URL: -------------- next part -------------- A non-text attachment was scrubbed... Name: image.png Type: image/png Size: 452145 bytes Desc: image.png URL: From rdmailings at duif.net Thu Oct 9 23:21:05 2025 From: rdmailings at duif.net (Richard Duivenvoorde) Date: Fri, 10 Oct 2025 08:21:05 +0200 Subject: [Qgis-user] Font issue In-Reply-To: References: Message-ID: <4020c098-9846-4386-b740-59830e281b43@duif.net> Hi, I cannot reproduce this on my systems. I reckon that you have a HDPI screen on windows, and searching at the issuetracker on "font size" several issues pop up, eg https://github.com/qgis/QGIS/issues/63065 Are you able to create an issue on https://github.com/qgis/QGIS/issues to provide more information about your exact setup, and ways to reproduce this? Note that QGIS 3.x is based on Qt5 and this kind (hi res) setups wasn't around at that time. I know that there has been a lot of work on font-scaling and handling hdpi by Nyall. Would it be possible for you to install the experimental latest version of QGIS, which is build on Qt6: https://qgis.org/downloads/QGISQT6-OSGeo4W-3.40.11-1.msi (thinking you want LTR) or maybe even latest: https://qgis.org/downloads/QGISQT6-OSGeo4W-3.44.3-1.msi and do some testing with those? If these still have issues then please(!) create issues because then even the latest and greatest version needs love and work... Regards, Richard Duivenvoorde On 10-10-2025 06:50, Janmaat, Johannus via QGIS-User wrote: > Hello, > > I installed QGIS 3.40.11.? The screen fonts for dialogs were too tiny to read.? A web search led me to the settings page, where I changed the font sizes.? For most dialogs, this seemed to work.? However, for the Settings->Options dialog, the larger fonts have made it unusable.? See the included screen shot. > > Any suggestions?? I did remove the QGIS folders, but nothing changed. > > Thanks. > > > *Prof.?Johannus (John)?A.?Janmaat*Ph.D., MBA, M.Sc., B.Sc. (_He, Him, His _) > Professor of Economics,?RIC Chair in Water Resources and Environmental Sustainability,?IGS Sustainability Theme Coordinator > Faculty of Arts and Social Sciences?|?Department of Economics, Philosophy and Political Science > The University of British Columbia | Okanagan Campus | Syilx Okanagan Nation Territory > 1147 Research Road?|?Kelowna BC?|?V1V 1V7 Canada > Phone 250 807 8021 > _john.janmaat at ubc.ca _?| _https://www.linkedin.com/in/john-janmaat-76a0731a/ _ > _https://blogs.ubc.ca/jajanmaat/ _ > > /The UBC Okanagan campus is situated on the traditional, ancestral, unceded territory of the Syilx Okanagan Nation./ > > UBC E-mail Signature > > > > _______________________________________________ > QGIS-User mailing list > QGIS-User at lists.osgeo.org > List info: https://lists.osgeo.org/mailman/listinfo/qgis-user > Unsubscribe: https://lists.osgeo.org/mailman/listinfo/qgis-user From riaanb at iafrica.com Fri Oct 10 01:36:58 2025 From: riaanb at iafrica.com (riaanb at iafrica.com) Date: Fri, 10 Oct 2025 10:36:58 +0200 Subject: [Qgis-user] FGDC symbology Message-ID: <016601dc39c1$0d5fb640$281f22c0$@iafrica.com> Good day, I am looking for the FGDC (Digital Cartographic Standards for Geologic Symbolization) symbology that is compatible with QGIS. There are some available in various websites (bits & pieces) but I require the full set. The email on their website just bounces back. Help? Ideas? Suggestions? Riaan -------------- next part -------------- An HTML attachment was scrubbed... URL: From phidrho at gmail.com Sat Oct 11 04:14:49 2025 From: phidrho at gmail.com (=?UTF-8?Q?Vedran_Stojnovi=C4=87?=) Date: Sat, 11 Oct 2025 13:14:49 +0200 Subject: [Qgis-user] Export problem with layout In-Reply-To: References: Message-ID: Hi, I had similar problem few months ago, and I believe it was related to creating project in newer version of QGIS (3.42) and then continuing working in older version (3.40). My solution was to create entire project from scratch in lower version and then it was everything OK. I think that even if you open project once in newer version and save it without making any chages it could mess things up with printing/exporting from layout. ?et, 9. lis 2025. u 23:57 Phil Wyatt via QGIS-User < qgis-user at lists.osgeo.org> napisao je: > Hi Mattie, > > Give us some clues as to what layers are in the layout? Network layers, > raster, vectors, same user logins, same network? > > Cheers - Phil, > > > On 9 Oct 2025, at 7:09?pm, metti play via QGIS-User < > qgis-user at lists.osgeo.org> wrote: > > ? > > Good morning everyone, > > I am experiencing a problem with QGIS on several laptops with different > processors and video cards. > > When exporting with Layout, it loads indefinitely and crashes. > > I don't understand what the problem is, unfortunately QGIS does not leave > me any logs to better understand the problem. > > Has this ever happened to you? The laptops had the following > configurations: > > - Laptop 1: i9-14th, 32 GB RAM, RTX 3500 > > - Laptop 2: Ultra 7, 32 GB RAM, RTX A500 > > - Laptop 3: AMD Ryzen 5 220 w/ Radeon 740M Graphics, 16GB RAM > > - Laptop 4: i7-11th, 16 GB RAM > > While it works on my PC, which has an i5-11th and 16 GB RAM, all tests > were performed with QGIS 3.40.11 LTR using the same project. > > Can you give us some tips to solve the problem? > > Best regards, > > Mattia > _______________________________________________ > QGIS-User mailing list > QGIS-User at lists.osgeo.org > List info: https://lists.osgeo.org/mailman/listinfo/qgis-user > Unsubscribe: https://lists.osgeo.org/mailman/listinfo/qgis-user > > _______________________________________________ > QGIS-User mailing list > QGIS-User at lists.osgeo.org > List info: https://lists.osgeo.org/mailman/listinfo/qgis-user > Unsubscribe: https://lists.osgeo.org/mailman/listinfo/qgis-user > -- Srda?an pozdrav / Kind regards, Vedran Stojnovi?. -------------- next part -------------- An HTML attachment was scrubbed... URL: From mettimat116 at gmail.com Sat Oct 11 06:35:58 2025 From: mettimat116 at gmail.com (metti play) Date: Sat, 11 Oct 2025 15:35:58 +0200 Subject: [Qgis-user] Export problem with layout In-Reply-To: References: Message-ID: Hi, thank you very much for your reply. One thing I have noticed is that in the project there are layers taken from the Internet by the Swiss Federation. if I export with the pc disconnected from the internet, it works. But obviously the layers that it should recover from the internet are missing. Has it ever happened to you? among other things, I am doing the tests connected to a network cable with a very fast business connection if I am not mistaken it goes to 10 Gb/s. Thanks a lot and have a good continuation Matthew Il Sab 11 Ott 2025, 13:15 Vedran Stojnovi? ha scritto: > Hi, > > I had similar problem few months ago, and I believe it was related to > creating project in newer version of QGIS (3.42) and then continuing working > in older version (3.40). > My solution was to create entire project from scratch in lower version and > then it was everything OK. I think that even if you open project once in > newer version and save it without making any chages it could mess things up > with printing/exporting from layout. > > ?et, 9. lis 2025. u 23:57 Phil Wyatt via QGIS-User < > qgis-user at lists.osgeo.org> napisao je: > >> Hi Mattie, >> >> Give us some clues as to what layers are in the layout? Network layers, >> raster, vectors, same user logins, same network? >> >> Cheers - Phil, >> >> >> On 9 Oct 2025, at 7:09?pm, metti play via QGIS-User < >> qgis-user at lists.osgeo.org> wrote: >> >> ? >> >> Good morning everyone, >> >> I am experiencing a problem with QGIS on several laptops with different >> processors and video cards. >> >> When exporting with Layout, it loads indefinitely and crashes. >> >> I don't understand what the problem is, unfortunately QGIS does not leave >> me any logs to better understand the problem. >> >> Has this ever happened to you? The laptops had the following >> configurations: >> >> - Laptop 1: i9-14th, 32 GB RAM, RTX 3500 >> >> - Laptop 2: Ultra 7, 32 GB RAM, RTX A500 >> >> - Laptop 3: AMD Ryzen 5 220 w/ Radeon 740M Graphics, 16GB RAM >> >> - Laptop 4: i7-11th, 16 GB RAM >> >> While it works on my PC, which has an i5-11th and 16 GB RAM, all tests >> were performed with QGIS 3.40.11 LTR using the same project. >> >> Can you give us some tips to solve the problem? >> >> Best regards, >> >> Mattia >> _______________________________________________ >> QGIS-User mailing list >> QGIS-User at lists.osgeo.org >> List info: https://lists.osgeo.org/mailman/listinfo/qgis-user >> Unsubscribe: https://lists.osgeo.org/mailman/listinfo/qgis-user >> >> _______________________________________________ >> QGIS-User mailing list >> QGIS-User at lists.osgeo.org >> List info: https://lists.osgeo.org/mailman/listinfo/qgis-user >> Unsubscribe: https://lists.osgeo.org/mailman/listinfo/qgis-user >> > > > -- > Srda?an pozdrav / Kind regards, > Vedran Stojnovi?. > -------------- next part -------------- An HTML attachment was scrubbed... URL: From laurent.celati at gmail.com Sun Oct 12 10:27:18 2025 From: laurent.celati at gmail.com (celati Laurent) Date: Sun, 12 Oct 2025 19:27:18 +0200 Subject: [Qgis-user] Percentage of area overlaped / covered by feature of another layer Message-ID: Dear all, I'm working with QGIS and, if necessary, PostGIS. I have two vector layers : - A first polygonal layer resulting from vectorization work using photointerpretation of the aerial imagery (in blue in the attached screenshot below). - A second polygonal layer in the same area resulting from segmentation of the same aerial imagery (in yellow in the attached screenshot below). [image: unnamed.png] Each feature in the two layers has a unique identifier (representing thanks to labels in the screenshot). I'd like to be able to produce a small performance indicator of the segmentation performs in faithfully matching the photointerpretation. I was thinking there's probably something that could be done with geoprocessing (union, intersection?) and a area calculation ? An indicator of segmentation performance could be: for each photo-interpreted feature/polygon, calculate the percentage of the surface area covered by the feature in the segmentation layer with the biggest overlap ? To be more specific, in the example screenshot, this could be: "For feature 11 in photo-interpretation layer (blue), I would like to know the percentage of the surface area covered by the feature in the segmentation layer that has the highest overlap with this feature 11 (in this specific case, it's probably feature 42 in yellow)." This could be: area of feature 42 overlapping feature 11 / total area of feature 11? I don't know if I'm on the right path. How could we translate/reach this needs toward a QGIS and/or PostGIS tool? Thanks so much -------------- next part -------------- An HTML attachment was scrubbed... URL: -------------- next part -------------- A non-text attachment was scrubbed... Name: unnamed.png Type: image/png Size: 141640 bytes Desc: not available URL: From boxerg at iinet.net.au Sun Oct 12 15:26:45 2025 From: boxerg at iinet.net.au (boxerg at iinet.net.au) Date: Mon, 13 Oct 2025 06:26:45 +0800 Subject: [Qgis-user] FGDC Geology Symbols In-Reply-To: References: Message-ID: <002301dc3bc7$4bcfc2f0$e36f48d0$@iinet.net.au> Hi Riaan, The USGS symbol set can be downloaded from the QGIS resource sharing plug-in. The USGS geological patterns can be downloaded the same way, just need to add an additional repository - https://github.com/BC-Consulting/FGDC-4-QGIS,git. Regards Grant -----Original Message----- From: QGIS-User On Behalf Of qgis-user-request at lists.osgeo.org Sent: Monday, 13 October 2025 1:28 AM To: qgis-user at lists.osgeo.org Subject: QGIS-User Digest, Vol 236, Issue 5 Send QGIS-User mailing list submissions to qgis-user at 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 qgis-user-request at lists.osgeo.org You can reach the person managing the list at qgis-user-owner at lists.osgeo.org When replying, please edit your Subject line so it is more specific than "Re: Contents of QGIS-User digest..." Today's Topics: 1. Re: Font issue (Richard Duivenvoorde) 2. FGDC symbology (riaanb at iafrica.com) 3. Re: Export problem with layout (Vedran Stojnovi?) 4. Re: Export problem with layout (metti play) 5. Percentage of area overlaped / covered by feature of another layer (celati Laurent) ---------------------------------------------------------------------- Message: 1 Date: Fri, 10 Oct 2025 08:21:05 +0200 From: Richard Duivenvoorde To: "Janmaat, Johannus" , "qgis-user at lists.osgeo.org" Subject: Re: [Qgis-user] Font issue Message-ID: <4020c098-9846-4386-b740-59830e281b43 at duif.net> Content-Type: text/plain; charset=UTF-8; format=flowed Hi, I cannot reproduce this on my systems. I reckon that you have a HDPI screen on windows, and searching at the issuetracker on "font size" several issues pop up, eg https://github.com/qgis/QGIS/issues/63065 Are you able to create an issue on https://github.com/qgis/QGIS/issues to provide more information about your exact setup, and ways to reproduce this? Note that QGIS 3.x is based on Qt5 and this kind (hi res) setups wasn't around at that time. I know that there has been a lot of work on font-scaling and handling hdpi by Nyall. Would it be possible for you to install the experimental latest version of QGIS, which is build on Qt6: https://qgis.org/downloads/QGISQT6-OSGeo4W-3.40.11-1.msi (thinking you want LTR) or maybe even latest: https://qgis.org/downloads/QGISQT6-OSGeo4W-3.44.3-1.msi and do some testing with those? If these still have issues then please(!) create issues because then even the latest and greatest version needs love and work... Regards, Richard Duivenvoorde On 10-10-2025 06:50, Janmaat, Johannus via QGIS-User wrote: > Hello, > > I installed QGIS 3.40.11.? The screen fonts for dialogs were too tiny to read.? A web search led me to the settings page, where I changed the font sizes.? For most dialogs, this seemed to work.? However, for the Settings->Options dialog, the larger fonts have made it unusable.? See the included screen shot. > > Any suggestions?? I did remove the QGIS folders, but nothing changed. > > Thanks. > > > *Prof.?Johannus (John)?A.?Janmaat*Ph.D., MBA, M.Sc., B.Sc. (_He, Him, > His _) > Professor of Economics,?RIC Chair in Water Resources and Environmental > Sustainability,?IGS Sustainability Theme Coordinator Faculty of Arts > and Social Sciences?|?Department of Economics, Philosophy and > Political Science The University of British Columbia | Okanagan Campus > | Syilx Okanagan Nation Territory > 1147 Research Road?|?Kelowna BC?|?V1V 1V7 Canada Phone 250 807 8021 > _john.janmaat at ubc.ca _?| > _https://www.linkedin.com/in/john-janmaat-76a0731a/ > >_ _https://blogs.ubc.ca/jajanmaat/ _ > > /The UBC Okanagan campus is situated on the traditional, ancestral, > unceded territory of the Syilx Okanagan Nation./ > > UBC E-mail Signature > > > > _______________________________________________ > QGIS-User mailing list > QGIS-User at lists.osgeo.org > List info: https://lists.osgeo.org/mailman/listinfo/qgis-user > Unsubscribe: https://lists.osgeo.org/mailman/listinfo/qgis-user ------------------------------ Message: 2 Date: Fri, 10 Oct 2025 10:36:58 +0200 From: To: Subject: [Qgis-user] FGDC symbology Message-ID: <016601dc39c1$0d5fb640$281f22c0$@iafrica.com> Content-Type: text/plain; charset="us-ascii" Good day, I am looking for the FGDC (Digital Cartographic Standards for Geologic Symbolization) symbology that is compatible with QGIS. There are some available in various websites (bits & pieces) but I require the full set. The email on their website just bounces back. Help? Ideas? Suggestions? Riaan -------------- next part -------------- An HTML attachment was scrubbed... URL: ------------------------------ Message: 3 Date: Sat, 11 Oct 2025 13:14:49 +0200 From: Vedran Stojnovi? To: Phil Wyatt Cc: metti play , qgis-user at lists.osgeo.org Subject: Re: [Qgis-user] Export problem with layout Message-ID: Content-Type: text/plain; charset="utf-8" Hi, I had similar problem few months ago, and I believe it was related to creating project in newer version of QGIS (3.42) and then continuing working in older version (3.40). My solution was to create entire project from scratch in lower version and then it was everything OK. I think that even if you open project once in newer version and save it without making any chages it could mess things up with printing/exporting from layout. ?et, 9. lis 2025. u 23:57 Phil Wyatt via QGIS-User < qgis-user at lists.osgeo.org> napisao je: > Hi Mattie, > > Give us some clues as to what layers are in the layout? Network > layers, raster, vectors, same user logins, same network? > > Cheers - Phil, > > > On 9 Oct 2025, at 7:09?pm, metti play via QGIS-User < > qgis-user at lists.osgeo.org> wrote: > > ? > > Good morning everyone, > > I am experiencing a problem with QGIS on several laptops with > different processors and video cards. > > When exporting with Layout, it loads indefinitely and crashes. > > I don't understand what the problem is, unfortunately QGIS does not > leave me any logs to better understand the problem. > > Has this ever happened to you? The laptops had the following > configurations: > > - Laptop 1: i9-14th, 32 GB RAM, RTX 3500 > > - Laptop 2: Ultra 7, 32 GB RAM, RTX A500 > > - Laptop 3: AMD Ryzen 5 220 w/ Radeon 740M Graphics, 16GB RAM > > - Laptop 4: i7-11th, 16 GB RAM > > While it works on my PC, which has an i5-11th and 16 GB RAM, all tests > were performed with QGIS 3.40.11 LTR using the same project. > > Can you give us some tips to solve the problem? > > Best regards, > > Mattia > _______________________________________________ > QGIS-User mailing list > QGIS-User at lists.osgeo.org > List info: https://lists.osgeo.org/mailman/listinfo/qgis-user > Unsubscribe: https://lists.osgeo.org/mailman/listinfo/qgis-user > > _______________________________________________ > QGIS-User mailing list > QGIS-User at lists.osgeo.org > List info: https://lists.osgeo.org/mailman/listinfo/qgis-user > Unsubscribe: https://lists.osgeo.org/mailman/listinfo/qgis-user > -- Srda?an pozdrav / Kind regards, Vedran Stojnovi?. -------------- next part -------------- An HTML attachment was scrubbed... URL: ------------------------------ Message: 4 Date: Sat, 11 Oct 2025 15:35:58 +0200 From: metti play To: Vedran Stojnovi? Cc: Phil Wyatt , qgis-user at lists.osgeo.org Subject: Re: [Qgis-user] Export problem with layout Message-ID: Content-Type: text/plain; charset="utf-8" Hi, thank you very much for your reply. One thing I have noticed is that in the project there are layers taken from the Internet by the Swiss Federation. if I export with the pc disconnected from the internet, it works. But obviously the layers that it should recover from the internet are missing. Has it ever happened to you? among other things, I am doing the tests connected to a network cable with a very fast business connection if I am not mistaken it goes to 10 Gb/s. Thanks a lot and have a good continuation Matthew Il Sab 11 Ott 2025, 13:15 Vedran Stojnovi? ha scritto: > Hi, > > I had similar problem few months ago, and I believe it was related to > creating project in newer version of QGIS (3.42) and then continuing > working in older version (3.40). > My solution was to create entire project from scratch in lower version > and then it was everything OK. I think that even if you open project > once in newer version and save it without making any chages it could > mess things up with printing/exporting from layout. > > ?et, 9. lis 2025. u 23:57 Phil Wyatt via QGIS-User < > qgis-user at lists.osgeo.org> napisao je: > >> Hi Mattie, >> >> Give us some clues as to what layers are in the layout? Network >> layers, raster, vectors, same user logins, same network? >> >> Cheers - Phil, >> >> >> On 9 Oct 2025, at 7:09?pm, metti play via QGIS-User < >> qgis-user at lists.osgeo.org> wrote: >> >> ? >> >> Good morning everyone, >> >> I am experiencing a problem with QGIS on several laptops with >> different processors and video cards. >> >> When exporting with Layout, it loads indefinitely and crashes. >> >> I don't understand what the problem is, unfortunately QGIS does not >> leave me any logs to better understand the problem. >> >> Has this ever happened to you? The laptops had the following >> configurations: >> >> - Laptop 1: i9-14th, 32 GB RAM, RTX 3500 >> >> - Laptop 2: Ultra 7, 32 GB RAM, RTX A500 >> >> - Laptop 3: AMD Ryzen 5 220 w/ Radeon 740M Graphics, 16GB RAM >> >> - Laptop 4: i7-11th, 16 GB RAM >> >> While it works on my PC, which has an i5-11th and 16 GB RAM, all >> tests were performed with QGIS 3.40.11 LTR using the same project. >> >> Can you give us some tips to solve the problem? >> >> Best regards, >> >> Mattia >> _______________________________________________ >> QGIS-User mailing list >> QGIS-User at lists.osgeo.org >> List info: https://lists.osgeo.org/mailman/listinfo/qgis-user >> Unsubscribe: https://lists.osgeo.org/mailman/listinfo/qgis-user >> >> _______________________________________________ >> QGIS-User mailing list >> QGIS-User at lists.osgeo.org >> List info: https://lists.osgeo.org/mailman/listinfo/qgis-user >> Unsubscribe: https://lists.osgeo.org/mailman/listinfo/qgis-user >> > > > -- > Srda?an pozdrav / Kind regards, > Vedran Stojnovi?. > -------------- next part -------------- An HTML attachment was scrubbed... URL: ------------------------------ Message: 5 Date: Sun, 12 Oct 2025 19:27:18 +0200 From: celati Laurent To: qgis-user Subject: [Qgis-user] Percentage of area overlaped / covered by feature of another layer Message-ID: Content-Type: text/plain; charset="utf-8" Dear all, I'm working with QGIS and, if necessary, PostGIS. I have two vector layers : - A first polygonal layer resulting from vectorization work using photointerpretation of the aerial imagery (in blue in the attached screenshot below). - A second polygonal layer in the same area resulting from segmentation of the same aerial imagery (in yellow in the attached screenshot below). [image: unnamed.png] Each feature in the two layers has a unique identifier (representing thanks to labels in the screenshot). I'd like to be able to produce a small performance indicator of the segmentation performs in faithfully matching the photointerpretation. I was thinking there's probably something that could be done with geoprocessing (union, intersection?) and a area calculation ? An indicator of segmentation performance could be: for each photo-interpreted feature/polygon, calculate the percentage of the surface area covered by the feature in the segmentation layer with the biggest overlap ? To be more specific, in the example screenshot, this could be: "For feature 11 in photo-interpretation layer (blue), I would like to know the percentage of the surface area covered by the feature in the segmentation layer that has the highest overlap with this feature 11 (in this specific case, it's probably feature 42 in yellow)." This could be: area of feature 42 overlapping feature 11 / total area of feature 11? I don't know if I'm on the right path. How could we translate/reach this needs toward a QGIS and/or PostGIS tool? Thanks so much -------------- next part -------------- An HTML attachment was scrubbed... URL: -------------- next part -------------- A non-text attachment was scrubbed... Name: unnamed.png Type: image/png Size: 141640 bytes Desc: not available URL: ------------------------------ Subject: Digest Footer _______________________________________________ QGIS-User mailing list QGIS-User at lists.osgeo.org List info: https://lists.osgeo.org/mailman/listinfo/qgis-user Unsubscribe: https://lists.osgeo.org/mailman/listinfo/qgis-user ------------------------------ End of QGIS-User Digest, Vol 236, Issue 5 ***************************************** From clhermansen at gmail.com Sun Oct 12 17:33:47 2025 From: clhermansen at gmail.com (chris hermansen) Date: Sun, 12 Oct 2025 17:33:47 -0700 Subject: [Qgis-user] Percentage of area overlaped / covered by feature of another layer In-Reply-To: References: Message-ID: Laurent and list, On Sun, Oct 12, 2025, 10:27 celati Laurent via QGIS-User < qgis-user at lists.osgeo.org> wrote: > Dear all, > > I'm working with QGIS and, if necessary, PostGIS. > I have two vector layers : > > - A first polygonal layer resulting from vectorization work using > photointerpretation of the aerial imagery (in blue in the attached > screenshot below). > - A second polygonal layer in the same area resulting from segmentation > of the same aerial imagery (in yellow in the attached screenshot below). > > [image: unnamed.png] > > > Each feature in the two layers has a unique identifier (representing > thanks to labels in the screenshot). > > I'd like to be able to produce a small performance indicator of the > segmentation performs in faithfully matching the photointerpretation. I was > thinking there's probably something that could be done with geoprocessing > (union, intersection?) and a area calculation ? An indicator of > segmentation performance could be: for each photo-interpreted > feature/polygon, calculate the percentage of the surface area covered by > the feature in the segmentation layer with the biggest overlap ? > To be more specific, in the example screenshot, this could be: > "For feature 11 in photo-interpretation layer (blue), I would like to know > the percentage of the surface area covered by the feature in the > segmentation layer that has the highest overlap with this feature 11 (in > this specific case, it's probably feature 42 in yellow)." > > This could be: area of feature 42 overlapping feature 11 / total area of > feature 11? > > I don't know if I'm on the right path. How could we translate/reach this > needs toward a QGIS and/or PostGIS tool? > One way to do this is an intersection of the two polygon layers, using ST_intersection. This will create a bunch of "sliver" polygons with the ID pair (for example) and the area of the sliver. You will want to sum the area grouping by the two layer ids as in general the boundary on one layer may be split into several pieces by the boundary on the other layer. You can put that in a temporary table called slivers. You don't need the geometry, just the polygon ids from each layer and the area of intersection. Your table might look something like this: interp_id | segment_id | area -----------+------------+------ 1 | 1 | 15 1 | 2 | 0.2 1 | 3 | 0.1 1 | 4 | 0.2 2 | 1 | 0.2 2 | 2 | 12 2 | 3 | 0.1 2 | 4 | 0.1 Then you can do something like this: select slivers.interp_id,sum(slivers.area) differentials from slivers where slivers.area != (select max(others.area) from slivers as others where others.interp_id = slivers.interp_id group by slivers.interp_id) group by slivers.interp_id; select slivers.interp_id,sum(slivers.area) congruencies from slivers where slivers.area = (select max(others.area) from slivers as others where others.interp_id = slivers.interp_id group by slivers.interp_id) group by slivers.interp_id; which would produce something like this: interp_id | differentials -----------+--------------- 1 | 0.5 2 | 0.4 (2 rows) interp_id | congruencies -----------+-------------- 1 | 15 2 | 12 (2 rows) Of course, the above two select statements will produce an error in the (edge) case where the sum of the bits of non-overlap are exactly equal to the overlap in area. You can further join the sum of all areas in each interpreted polygon to the two selects above if you want to calculate a percent of differentials and congruencies. -------------- next part -------------- An HTML attachment was scrubbed... URL: -------------- next part -------------- A non-text attachment was scrubbed... Name: unnamed.png Type: image/png Size: 141640 bytes Desc: not available URL: From nyall.dawson at gmail.com Sun Oct 12 18:17:14 2025 From: nyall.dawson at gmail.com (Nyall Dawson) Date: Mon, 13 Oct 2025 11:17:14 +1000 Subject: [Qgis-user] Percentage of area overlaped / covered by feature of another layer In-Reply-To: References: Message-ID: On Mon, 13 Oct 2025 at 03:28, celati Laurent via QGIS-User < qgis-user at lists.osgeo.org> wrote: > > I don't know if I'm on the right path. How could we translate/reach this > needs toward a QGIS and/or PostGIS tool? > There's a built-in tool "Overlap Analysis" available from the processing toolbox which will help here. Nyall > > Thanks so much > _______________________________________________ > QGIS-User mailing list > QGIS-User at lists.osgeo.org > List info: https://lists.osgeo.org/mailman/listinfo/qgis-user > Unsubscribe: https://lists.osgeo.org/mailman/listinfo/qgis-user > -------------- next part -------------- An HTML attachment was scrubbed... URL: From barna.gabor at stud.uni-obuda.hu Tue Oct 14 12:14:11 2025 From: barna.gabor at stud.uni-obuda.hu (=?iso-8859-1?Q?Barna_G=E1bor?=) Date: Tue, 14 Oct 2025 19:14:11 +0000 Subject: [Qgis-user] Copernicus - Imperviousness Density Message-ID: Hello! I am G?bor Barna from Hungary, I study to become an Environmental Engineer. I would like to ask for your help. I am trying to get an average data from this Data Viewer - WEkEO data for my thesis (please, find my downloaded file here: https://we.tl/t-LUKlZ4TKWI). The data is Imperviousness Density and for ?rd city (Hungary) for exact match I downloaded a KML file from here: https://data2.openstreetmap.hu/hatarok/hatarok.php?hatar=%C3%89rd (please, find attached) I tried to combine them in QGIS but I couldn't. Please, can you help me by sending the project file where it works or writing down exactly what should I do? I only studied a bit this program, but it would be really great if I can use it. Thank you in advance! Kind regards, G?bor -------------- next part -------------- An HTML attachment was scrubbed... URL: -------------- next part -------------- A non-text attachment was scrubbed... Name: ?rd.kml Type: application/octet-stream Size: 17727 bytes Desc: ?rd.kml URL: From clhermansen at gmail.com Tue Oct 14 14:55:14 2025 From: clhermansen at gmail.com (chris hermansen) Date: Tue, 14 Oct 2025 14:55:14 -0700 Subject: [Qgis-user] Copernicus - Imperviousness Density In-Reply-To: References: Message-ID: Berna and list, On Tue, Oct 14, 2025, 12:14 Barna G?bor via QGIS-User < qgis-user at lists.osgeo.org> wrote: > Hello! > > I am G?bor Barna from Hungary, I study to become an Environmental > Engineer. > I would like to ask for your help. I am trying to get an average data from > this Data Viewer - WEkEO > data > for my thesis (please, find my downloaded file here: > https://we.tl/t-LUKlZ4TKWI). The data is Imperviousness Density and for > ?rd city (Hungary) for exact match I downloaded a KML file from here: > https://data2.openstreetmap.hu/hatarok/hatarok.php?hatar=%C3%89rd (please, > find attached) > The imperviousness data - are you using the point data itself? So you are trying to do something with the point data that falls within the ?rd city polygon? > > I tried to combine them in QGIS but I couldn't. Please, can you help me by > sending the project file where it works or writing down exactly what should > I do? > What do you mean by "combine them"? Are you just trying to get a mean value for imperviousness by averaging all the points that fall within the city? > I only studied a bit this program, but it would be really great if I can > use it. > There are lots of online tutorials and reference materials. You may find it worthwhile to review some of them to find out what kinds of analysis you can undertake with this sort of data. Also you may wish to think about the underlying spatial distribution that is being sampled with the point data and what kind of assumptions can reasonably be made with regard to interpolating and similar kinds of operations. > > Chris Hermansen ? clhermansen "at" gmail "dot" com C'est ma fa?on de parler. -------------- next part -------------- An HTML attachment was scrubbed... URL: From lejsztol at yahoo.com Thu Oct 16 07:03:35 2025 From: lejsztol at yahoo.com (Lajos Tolnai) Date: Thu, 16 Oct 2025 14:03:35 +0000 (UTC) Subject: [Qgis-user] Scale References: <832776753.1974857.1760623415665.ref@mail.yahoo.com> Message-ID: <832776753.1974857.1760623415665@mail.yahoo.com> Hello!I will try to write short sentences so that the translation remains understandable.I am a QGIS user by chance.I started using it because AI encouraged me to.I needed a map.AI helped me, and now I'm done.But something is bothering me.In the print window, the Scala value is 7500.The AI claims that this is the scale.But that can't be right.A section 14 km wide and 23 km high is displayed.On a surface 1.4 m wide and 2 m high.What I would like to know is: Does the scale value really correspond to the 1:10,000 scale shown on the maps?Thanks in advance for your replies.Lajos Sziasztok!Megpr?b?lok r?vid mondatokat ?rni, hogy a ford?t?s ?rthet? maradjon.V?letlen?l vagyok QGIS felhaszn?l?.Az AI biztat?s?ra kezdtem bele.Sz?ks?gem volt egy t?rk?pre.Az AI seg?tett, k?sz vagyok.De valami nagyon zavar.A nyomtat?si ablakban a Scala ?rt?k 7500.Az AI ?ll?tja, hogy az a m?retar?ny.De az nem lehet.Egy 14 km sz?les ?s 23 km magas szelv?ny van kiter?tve.1,4 m sz?les ?s 2 m magas fel?letre.Amit szeretn?k megtudni: A sc?la ?rt?k val?ban megegyezik a t?rk?peken l?that? 1:10.000 ar?nnyal? K?sz?n?m el?re is a v?laszokat.Lajos -------------- next part -------------- An HTML attachment was scrubbed... URL: From nigel at nigelcowlin.co.uk Fri Oct 17 02:39:02 2025 From: nigel at nigelcowlin.co.uk (Nigel Cowlin) Date: Fri, 17 Oct 2025 10:39:02 +0100 Subject: [Qgis-user] Online layers (ArcGIS REST, WFS, WMS, WCS) failing on reopenning Message-ID: Hi, Not sure if this is the correct place for this kind of query - sorry if it is not! I'm using QGIS 3.34.7-Prizren and have a multi-layered project I regularly use. It includes locally saved layers of various types and quite a few web provided layers such as ArcGIS REST, WFS, WMS, WCS, etc. On reopening the project several of these web provided layers show on the 'Handle Unavailable Layers' pop up and are unavailable in the project. It is random which ones each time. Sometimes they are stubbornly difficult to restore (reconnect/repair data source). There is nothing wrong with the source of these layers. Do you know why this is and can you suggest a solution? Thank you. Nigel Nigel Cowlin BA(Hons) DipLA CMLI Director *NIGEL*COWLIN LTD Landscape Assessment & Design 07747 606533 nigel at nigelcowlin.co.uk www.nigelcowlin.co.uk Maltwood, 6 Lamarsh Hill, Bures, CO8 5EH A Landscape Institute Registered Practice. Nigel Cowlin Limited - Registered Company in England & Wales No: 07628668. Registered Office: Maltwood, 6 Lamarsh Hill, Bures St Mary, CO8 5EH -------------- next part -------------- An HTML attachment was scrubbed... URL: From dietmann at pgnu.de Fri Oct 17 03:06:55 2025 From: dietmann at pgnu.de (Simon Dietmann) Date: Fri, 17 Oct 2025 10:06:55 +0000 Subject: [Qgis-user] save a join between attribute and table in gpkg? Message-ID: Dear list, I am trying to export some feature classes inside a common gpkg that have attribute joins to a table that's also stored in the same gpkg. Afaics there is no possibility to store the information about the table join also inside the gpkg, is that correct? Is there a way to store (and share) the joins except sharing a .qgz file? Thanks for your advice, Regards Simon -------------- next part -------------- An HTML attachment was scrubbed... URL: -------------- next part -------------- A non-text attachment was scrubbed... Name: PL0XMNCPEM Type: image/png Size: 8911 bytes Desc: not available URL: From nigel at s3.co.za Fri Oct 17 03:18:22 2025 From: nigel at s3.co.za (Nigel Berjak - General) Date: Fri, 17 Oct 2025 12:18:22 +0200 Subject: [Qgis-user] Scale In-Reply-To: <832776753.1974857.1760623415665@mail.yahoo.com> References: <832776753.1974857.1760623415665.ref@mail.yahoo.com> <832776753.1974857.1760623415665@mail.yahoo.com> Message-ID: Hi Lajos Are you using a metres projection or geographic decimal degrees (EPSG 4326?). This is most likely the issue and the metres projection, based upon your best/nearest Coordinate reference system (CRS) is recommended. --- Regards, Nigel Berjak Please consider the environment before printing this email. On 2025-10-16 16:03, Lajos Tolnai via QGIS-User wrote: > Hello! > I will try to write short sentences so that the translation remains > understandable. > I am a QGIS user by chance. > I started using it because AI encouraged me to. > I needed a map. > AI helped me, and now I'm done. > But something is bothering me. > In the print window, the Scala value is 7500. > The AI claims that this is the scale. > But that can't be right. > A section 14 km wide and 23 km high is displayed. > On a surface 1.4 m wide and 2 m high. > What I would like to know is: Does the scale value really correspond to > the 1:10,000 scale shown on the maps? > Thanks in advance for your replies. > Lajos > > Sziasztok! > Megpr?b?lok r?vid mondatokat ?rni, hogy a ford?t?s ?rthet? maradjon. > V?letlen?l vagyok QGIS felhaszn?l?. > Az AI biztat?s?ra kezdtem bele. > Sz?ks?gem volt egy t?rk?pre. > Az AI seg?tett, k?sz vagyok. > De valami nagyon zavar. > A nyomtat?si ablakban a Scala ?rt?k 7500. > Az AI ?ll?tja, hogy az a m?retar?ny. > De az nem lehet. > Egy 14 km sz?les ?s 23 km magas szelv?ny van kiter?tve. > 1,4 m sz?les ?s 2 m magas fel?letre. > Amit szeretn?k megtudni: A sc?la ?rt?k val?ban megegyezik a t?rk?peken > l?that? 1:10.000 ar?nnyal? > > K?sz?n?m el?re is a v?laszokat. > Lajos > _______________________________________________ > QGIS-User mailing list > QGIS-User at lists.osgeo.org > List info: https://lists.osgeo.org/mailman/listinfo/qgis-user > Unsubscribe: https://lists.osgeo.org/mailman/listinfo/qgis-user -------------- next part -------------- An HTML attachment was scrubbed... URL: From rdmailings at duif.net Fri Oct 17 03:19:32 2025 From: rdmailings at duif.net (Richard Duivenvoorde) Date: Fri, 17 Oct 2025 12:19:32 +0200 Subject: [Qgis-user] Online layers (ArcGIS REST, WFS, WMS, WCS) failing on reopenning In-Reply-To: References: Message-ID: Hi Nigel, If your project contains a lot of online layers, there may be a chance that some of them 'time out'. I know of service providers that do not allow more then one or a few simultaneous connections from one client or IP address to their services (while QGIS is firing a whole set of them just to retrieve all layers in the project). I'm also aware that service providers do 'throttling' of services: if you do more the x requests met minute, you get a sort of handicap to not request so much. If I were you I would try to set the Options/Network/Timeout for network requests (ms) to something higher then the default 10s (10000 ms!). Try to set it to a very high value and see if that helps. If not, then QGIS could maybe try to not fire so many requests at a time upon opening. Eg only the visible layers first (and the invisible ones after loading the project). If so, it would be best if you create an issue and provide a (big) example project file with (preferably open) services and all your network settings. But please first try to play with the 'network timeout'... Another tip: F12 can show you all network requests that QGIS if firing. IF a layer is failing to load, but the corresponding url's of the layer to the service load in for example a browser, then you can at least tell that it is not the service that is an issue... Earlier I also have said that I would want to have an option to opt OUT of the requesting the 9 canvases around current mapcanvas. This is often a unnecessary number of requests, just making providing a web service harder... Regards, Richard Duivenvoorde On 17-10-2025 11:39, Nigel Cowlin via QGIS-User wrote: > Hi, > Not sure if this is the correct place for this kind of query - sorry if it is not! > > I'm using QGIS 3.34.7-Prizren and have a multi-layered project I regularly use. It includes locally saved layers of various types and quite a few web provided layers such as ArcGIS REST, WFS, WMS, WCS, etc. On reopening the project several of these web provided layers show on the 'Handle Unavailable Layers' pop up and are unavailable in the project. It is random which ones each time. Sometimes they are stubbornly difficult to restore (reconnect/repair data source). There is nothing wrong with the source of these layers. Do you know why this is and can you suggest a solution? > Thank you. > Nigel > > Nigel Cowlin BA(Hons) DipLA CMLI > Director > > *NIGEL*COWLIN LTD > Landscape Assessment & Design > 07747 606533 > nigel at nigelcowlin.co.uk > www.nigelcowlin.co.uk > Maltwood, 6 Lamarsh Hill, Bures, CO8 5EH > > A Landscape Institute Registered Practice. > Nigel Cowlin Limited - Registered Company in England & Wales No: 07628668. Registered Office: Maltwood, 6 Lamarsh Hill, Bures St Mary, CO8 5EH > > _______________________________________________ > QGIS-User mailing list > QGIS-User at lists.osgeo.org > List info: https://lists.osgeo.org/mailman/listinfo/qgis-user > Unsubscribe: https://lists.osgeo.org/mailman/listinfo/qgis-user From nigel at s3.co.za Fri Oct 17 03:20:47 2025 From: nigel at s3.co.za (Nigel Berjak - General) Date: Fri, 17 Oct 2025 12:20:47 +0200 Subject: [Qgis-user] Online layers (ArcGIS REST, WFS, WMS, WCS) failing on reopenning In-Reply-To: References: Message-ID: Good afternoon Nigel I also have these issues at times where it tries to load something and takes a very long time, sometimes bombing the application. It seems to, at times, get confused. What I have found sometimes alleviates the issue is to simply open another QGIS application instance and attempt to open the same project. --- Regards, Nigel Berjak Please consider the environment before printing this email. On 2025-10-17 11:39, Nigel Cowlin via QGIS-User wrote: > Hi, > Not sure if this is the correct place for this kind of query - sorry if > it is not! > > I'm using QGIS 3.34.7-Prizren and have a multi-layered project I > regularly use. It includes locally saved layers of various types and > quite a few web provided layers such as ArcGIS REST, WFS, WMS, WCS, > etc. On reopening the project several of these web provided layers show > on the 'Handle Unavailable Layers' pop up and are unavailable in the > project. It is random which ones each time. Sometimes they are > stubbornly difficult to restore (reconnect/repair data source). There > is nothing wrong with the source of these layers. Do you know why this > is and can you suggest a solution? > Thank you. > > Nigel > > Nigel Cowlin BA(Hons) DipLA CMLI > Director > > NIGELCOWLIN LTD > Landscape Assessment & Design > 07747 606533 > nigel at nigelcowlin.co.uk > > www.nigelcowlin.co.uk [1] > > Maltwood, 6 Lamarsh Hill, Bures, CO8 5EH > > A Landscape Institute Registered Practice. > Nigel Cowlin Limited - Registered Company in England & Wales No: > 07628668. Registered Office: Maltwood, 6 Lamarsh Hill, Bures St Mary, > CO8 5EH > > _______________________________________________ > QGIS-User mailing list > QGIS-User at lists.osgeo.org > List info: https://lists.osgeo.org/mailman/listinfo/qgis-user > Unsubscribe: https://lists.osgeo.org/mailman/listinfo/qgis-user Links: ------ [1] http://www.nigelcowlin.co.uk -------------- next part -------------- An HTML attachment was scrubbed... URL: From j.d.jong at periplus.nl Fri Oct 17 03:21:54 2025 From: j.d.jong at periplus.nl (Jeroen de Jong - Periplus Group) Date: Fri, 17 Oct 2025 10:21:54 +0000 Subject: [Qgis-user] Saving to Geopackage does not contain CRS Message-ID: Hello, When I save my data to Geopackage the CRS information is not included in the Geopackage correctly. Instead the default value 100000 is being stored. Does anyone have an idea how to fix this? Kind regards / Met vriendelijke groet, Jeroen de Jong Hydrographic Consultant ___________________________________________________________________________________________ [Group-RGB-email-signature] Kraanspoor 22 1033 SE Amsterdam The Netherlands t: +31206367891 j.d.jong at periplus.nl www.periplus.nl Part of Periplus Holding BV (CC37114418) We are ISO:9001 and OHSAS:18001 certified. P please don?t print this email unless you really need to -------------- next part -------------- An HTML attachment was scrubbed... URL: -------------- next part -------------- A non-text attachment was scrubbed... Name: Outlook-Group-RGB-.png Type: image/png Size: 2229 bytes Desc: Outlook-Group-RGB-.png URL: From nigel at s3.co.za Fri Oct 17 03:22:48 2025 From: nigel at s3.co.za (Nigel Berjak - General) Date: Fri, 17 Oct 2025 12:22:48 +0200 Subject: [Qgis-user] Online layers (ArcGIS REST, WFS, WMS, WCS) failing on reopenning In-Reply-To: References: Message-ID: <786da4dabb9b74caafde5f78ac15e57c@s3.co.za> Hi Richard Different Nigel here, but thanks for your responses and yes, it would be nice to be able to set a limit to the attempts and number of requests, as per your OPT OUT suggestion. --- Regards, Nigel Berjak Please consider the environment before printing this email. On 2025-10-17 12:19, Richard Duivenvoorde via QGIS-User wrote: > Hi Nigel, > > If your project contains a lot of online layers, there may be a chance > that some of them 'time out'. > I know of service providers that do not allow more then one or a few > simultaneous connections from one client or IP address to their > services (while QGIS is firing a whole set of them just to retrieve all > layers in the project). > > I'm also aware that service providers do 'throttling' of services: if > you do more the x requests met minute, you get a sort of handicap to > not request so much. > > If I were you I would try to set the Options/Network/Timeout for > network requests (ms) to something higher then the default 10s (10000 > ms!). Try to set it to a very high value and see if that helps. > > If not, then QGIS could maybe try to not fire so many requests at a > time upon opening. > Eg only the visible layers first (and the invisible ones after loading > the project). > If so, it would be best if you create an issue and provide a (big) > example project file with (preferably open) services and all your > network settings. But please first try to play with the 'network > timeout'... > > Another tip: F12 can show you all network requests that QGIS if firing. > IF a layer is failing to load, but the corresponding url's of the layer > to the service load in for example a browser, then you can at least > tell that it is not the service that is an issue... > > Earlier I also have said that I would want to have an option to opt OUT > of the requesting the 9 canvases around current mapcanvas. This is > often a unnecessary number of requests, just making providing a web > service harder... > > Regards, > > Richard Duivenvoorde > > On 17-10-2025 11:39, Nigel Cowlin via QGIS-User wrote: >> Hi, >> Not sure if this is the correct place for this kind of query - sorry >> if it is not! >> >> I'm using QGIS 3.34.7-Prizren and have a multi-layered project I >> regularly use. It includes locally saved layers of various types and >> quite a few web provided layers such as ArcGIS REST, WFS, WMS, WCS, >> etc. On reopening the project several of these web provided layers >> show on the 'Handle Unavailable Layers' pop up and are unavailable in >> the project. It is random which ones each time. Sometimes they are >> stubbornly difficult to restore (reconnect/repair data source). There >> is nothing wrong with the source of these layers. Do you know why this >> is and can you suggest a solution? >> Thank you. >> Nigel >> >> Nigel Cowlin BA(Hons) DipLA CMLI >> Director >> >> *NIGEL*COWLIN LTD >> Landscape Assessment & Design >> 07747 606533 >> nigel at nigelcowlin.co.uk >> www.nigelcowlin.co.uk >> Maltwood, 6 Lamarsh Hill, Bures, CO8 5EH >> >> A Landscape Institute Registered Practice. >> Nigel Cowlin Limited - Registered Company in England & Wales No: >> 07628668. Registered Office: Maltwood, 6 Lamarsh Hill, Bures St Mary, >> CO8 5EH >> >> _______________________________________________ >> QGIS-User mailing list >> QGIS-User at lists.osgeo.org >> List info: https://lists.osgeo.org/mailman/listinfo/qgis-user >> Unsubscribe: https://lists.osgeo.org/mailman/listinfo/qgis-user > > _______________________________________________ > QGIS-User mailing list > QGIS-User at lists.osgeo.org > List info: https://lists.osgeo.org/mailman/listinfo/qgis-user > Unsubscribe: https://lists.osgeo.org/mailman/listinfo/qgis-user From rdmailings at duif.net Fri Oct 17 03:24:00 2025 From: rdmailings at duif.net (Richard Duivenvoorde) Date: Fri, 17 Oct 2025 12:24:00 +0200 Subject: [Qgis-user] save a join between attribute and table in gpkg? In-Reply-To: References: Message-ID: <85d9c603-f5ba-410e-8755-cf9c8e36f9da@duif.net> Hi Simon, Not sure if it can be done from withing QGIS, but using other database client tools that can handle sqlite/gpkg files, you can create views (based on your query of the join) your own into the db. IF that view has a geom column, QGIS show it as a geom layer for what I know... I like 'dbeaver' a lot because it can handle all my dbases. But there are also sqlite-only editors (sqlite manger on Linux for example).. Regards, Richard Duivenvoorde On 17-10-2025 12:06, Simon Dietmann via QGIS-User wrote: > Dear list, > > I am trying to export some feature classes inside a common gpkg that have attribute joins to a table that?s also stored in the same gpkg. ?Afaics there is no possibility to store the information about the table join also inside the gpkg, is that correct? > > Is there a way to store (and share) the joins except sharing a .qgz file? > > Thanks for your advice, > > Regards > > Simon > > i.A. Simon Dietmann > Projektleiter | Geograph > > PGNU Planungsgesellschaft Natur & Umwelt mbH > Amtsgericht Frankfurt am Main, HRB 111938; > Gesch?ftsf?hrer: Dr. Benjamin Hill, Dorit Thurm, Sebastian Braun > Hamburger Allee 45 +++ 60486 Frankfurt am Main > Durchwahl: +49 69 952964-32 +++ Fax: +49 69 952964-99 > E-Mail: dietmann at pgnu.de +++ Web: www.pgnu.de > >> Diese E-Mail k?nnte vertrauliche und/oder rechtlich gesch?tzte Informationen enthalten. Wenn Sie nicht der richtige Adressat sind oder diese E-Mail irrt?mlich erhalten haben, informieren Sie bitte sofort den Absender und vernichten Sie diese Mail. Das unerlaubte Kopieren sowie die unbefugte Weitergabe dieser Mail sind nicht gestattet. >> This e-mail may contain confidential and/or privileged information. If you are not the intended recipient (or have received this e-mail in error) please notify the sender immediately and destroy this e-mail. Any unauthorised copying, disclosure or distribution of the material in this e-mail is strictly forbidden. > > > _______________________________________________ > QGIS-User mailing list > QGIS-User at lists.osgeo.org > List info: https://lists.osgeo.org/mailman/listinfo/qgis-user > Unsubscribe: https://lists.osgeo.org/mailman/listinfo/qgis-user From rdmailings at duif.net Fri Oct 17 03:33:41 2025 From: rdmailings at duif.net (Richard Duivenvoorde) Date: Fri, 17 Oct 2025 12:33:41 +0200 Subject: [Qgis-user] Saving to Geopackage does not contain CRS In-Reply-To: References: Message-ID: <2f701695-e9fd-4094-8038-ce3907b8c1f5@duif.net> Hi Jeroen, I cannot reproduce your issue here: if I have a layer with proper defined crs (!), and I export it to gpkg then after loading the gpkg layer has the right crs too. Note that if the original one does not have a crs defined (via layer props or context menu), then QGIS uses 10000 as default (user) value. So main question: has the data from which you export/save to gpkg the right crs? Are you using a recent QGIS version? On which platform? Can you maybe provide a small sample gpkg on which this issue occurs? Regards, Richard Duivenvoorde On 17-10-2025 12:21, Jeroen de Jong - Periplus Group via QGIS-User wrote: > Hello, > > When I save my data to Geopackage the CRS information is not included in the Geopackage correctly. Instead the default value 100000 is being stored. > Does anyone have an idea how to fix this? > > Kind regards / Met vriendelijke groet, > > Jeroen de Jong > > Hydrographic Consultant > > ____________________________________________________________________________________________ _ > > Group-RGB-email-signature > > Kraanspoor 22 > > 1033 SE Amsterdam > > The Netherlands > > t: +31206367891 > > _j.d.jong at periplus.nl _ > > _www.periplus.nl _ > > Part of Periplus Holding BV (CC37114418) > > We are ISO:9001 and OHSAS:18001 certified. > > Pplease don?t print this email unless you really need to > > > _______________________________________________ > QGIS-User mailing list > QGIS-User at lists.osgeo.org > List info: https://lists.osgeo.org/mailman/listinfo/qgis-user > Unsubscribe: https://lists.osgeo.org/mailman/listinfo/qgis-user From nigel at nigelcowlin.co.uk Fri Oct 17 03:54:51 2025 From: nigel at nigelcowlin.co.uk (Nigel Cowlin) Date: Fri, 17 Oct 2025 11:54:51 +0100 Subject: [Qgis-user] Online layers (ArcGIS REST, WFS, WMS, WCS) failing on reopenning In-Reply-To: <786da4dabb9b74caafde5f78ac15e57c@s3.co.za> References: <786da4dabb9b74caafde5f78ac15e57c@s3.co.za> Message-ID: Hi Both, Richard, I think your suggestions about the service providers restricting access might be what I'm experiencing, because this only seems to affect my primary PC. When I try on another PC there's no issue and all layers load first time without a hitch! I've also tried adjusting my timeout for network requests to 30 seconds (30000ms), but that doesn't help. Might be a problem I have to put up with, but it's really frustrating. I wonder if there is a way of refreshing my IP whenever it gets too difficult to load these layers!!? Nigel On Fri, 17 Oct 2025 at 11:22, Nigel Berjak - General wrote: > Hi Richard > > Different Nigel here, but thanks for your responses and yes, it would be > nice to be able to set a limit to the attempts and number of requests, > as per your OPT OUT suggestion. > > --- > Regards, > > Nigel Berjak > Please consider the environment before printing this email. > > On 2025-10-17 12:19, Richard Duivenvoorde via QGIS-User wrote: > > Hi Nigel, > > > > If your project contains a lot of online layers, there may be a chance > > that some of them 'time out'. > > I know of service providers that do not allow more then one or a few > > simultaneous connections from one client or IP address to their > > services (while QGIS is firing a whole set of them just to retrieve all > > layers in the project). > > > > I'm also aware that service providers do 'throttling' of services: if > > you do more the x requests met minute, you get a sort of handicap to > > not request so much. > > > > If I were you I would try to set the Options/Network/Timeout for > > network requests (ms) to something higher then the default 10s (10000 > > ms!). Try to set it to a very high value and see if that helps. > > > > If not, then QGIS could maybe try to not fire so many requests at a > > time upon opening. > > Eg only the visible layers first (and the invisible ones after loading > > the project). > > If so, it would be best if you create an issue and provide a (big) > > example project file with (preferably open) services and all your > > network settings. But please first try to play with the 'network > > timeout'... > > > > Another tip: F12 can show you all network requests that QGIS if firing. > > IF a layer is failing to load, but the corresponding url's of the layer > > to the service load in for example a browser, then you can at least > > tell that it is not the service that is an issue... > > > > Earlier I also have said that I would want to have an option to opt OUT > > of the requesting the 9 canvases around current mapcanvas. This is > > often a unnecessary number of requests, just making providing a web > > service harder... > > > > Regards, > > > > Richard Duivenvoorde > > > > On 17-10-2025 11:39, Nigel Cowlin via QGIS-User wrote: > >> Hi, > >> Not sure if this is the correct place for this kind of query - sorry > >> if it is not! > >> > >> I'm using QGIS 3.34.7-Prizren and have a multi-layered project I > >> regularly use. It includes locally saved layers of various types and > >> quite a few web provided layers such as ArcGIS REST, WFS, WMS, WCS, > >> etc. On reopening the project several of these web provided layers > >> show on the 'Handle Unavailable Layers' pop up and are unavailable in > >> the project. It is random which ones each time. Sometimes they are > >> stubbornly difficult to restore (reconnect/repair data source). There > >> is nothing wrong with the source of these layers. Do you know why this > >> is and can you suggest a solution? > >> Thank you. > >> Nigel > >> > >> Nigel Cowlin BA(Hons) DipLA CMLI > >> Director > >> > >> *NIGEL*COWLIN LTD > >> Landscape Assessment & Design > >> 07747 606533 > >> nigel at nigelcowlin.co.uk > >> www.nigelcowlin.co.uk > >> Maltwood, 6 Lamarsh Hill, Bures, CO8 5EH > >> > >> A Landscape Institute Registered Practice. > >> Nigel Cowlin Limited - Registered Company in England & Wales No: > >> 07628668. Registered Office: Maltwood, 6 Lamarsh Hill, Bures St Mary, > >> CO8 5EH > >> > >> _______________________________________________ > >> QGIS-User mailing list > >> QGIS-User at lists.osgeo.org > >> List info: https://lists.osgeo.org/mailman/listinfo/qgis-user > >> Unsubscribe: https://lists.osgeo.org/mailman/listinfo/qgis-user > > > > _______________________________________________ > > QGIS-User mailing list > > QGIS-User at lists.osgeo.org > > List info: https://lists.osgeo.org/mailman/listinfo/qgis-user > > Unsubscribe: https://lists.osgeo.org/mailman/listinfo/qgis-user > > -------------- next part -------------- An HTML attachment was scrubbed... URL: From nigel at nigelcowlin.co.uk Fri Oct 17 03:57:22 2025 From: nigel at nigelcowlin.co.uk (Nigel Cowlin) Date: Fri, 17 Oct 2025 11:57:22 +0100 Subject: [Qgis-user] Online layers (ArcGIS REST, WFS, WMS, WCS) failing on reopenning In-Reply-To: References: <786da4dabb9b74caafde5f78ac15e57c@s3.co.za> Message-ID: Sorry, correction. I actually have my timeout set to 300,000 ms (5 minutes). Is that too much? On Fri, 17 Oct 2025 at 11:54, Nigel Cowlin wrote: > Hi Both, > Richard, I think your suggestions about the service providers restricting > access might be what I'm experiencing, because this only seems to affect my > primary PC. When I try on another PC there's no issue and all layers load > first time without a hitch! I've also tried adjusting my timeout for > network requests to 30 seconds (30000ms), but that doesn't help. Might be > a problem I have to put up with, but it's really frustrating. I wonder if > there is a way of refreshing my IP whenever it gets too difficult to load > these layers!!? > Nigel > > On Fri, 17 Oct 2025 at 11:22, Nigel Berjak - General > wrote: > >> Hi Richard >> >> Different Nigel here, but thanks for your responses and yes, it would be >> nice to be able to set a limit to the attempts and number of requests, >> as per your OPT OUT suggestion. >> >> --- >> Regards, >> >> Nigel Berjak >> Please consider the environment before printing this email. >> >> On 2025-10-17 12:19, Richard Duivenvoorde via QGIS-User wrote: >> > Hi Nigel, >> > >> > If your project contains a lot of online layers, there may be a chance >> > that some of them 'time out'. >> > I know of service providers that do not allow more then one or a few >> > simultaneous connections from one client or IP address to their >> > services (while QGIS is firing a whole set of them just to retrieve all >> > layers in the project). >> > >> > I'm also aware that service providers do 'throttling' of services: if >> > you do more the x requests met minute, you get a sort of handicap to >> > not request so much. >> > >> > If I were you I would try to set the Options/Network/Timeout for >> > network requests (ms) to something higher then the default 10s (10000 >> > ms!). Try to set it to a very high value and see if that helps. >> > >> > If not, then QGIS could maybe try to not fire so many requests at a >> > time upon opening. >> > Eg only the visible layers first (and the invisible ones after loading >> > the project). >> > If so, it would be best if you create an issue and provide a (big) >> > example project file with (preferably open) services and all your >> > network settings. But please first try to play with the 'network >> > timeout'... >> > >> > Another tip: F12 can show you all network requests that QGIS if firing. >> > IF a layer is failing to load, but the corresponding url's of the layer >> > to the service load in for example a browser, then you can at least >> > tell that it is not the service that is an issue... >> > >> > Earlier I also have said that I would want to have an option to opt OUT >> > of the requesting the 9 canvases around current mapcanvas. This is >> > often a unnecessary number of requests, just making providing a web >> > service harder... >> > >> > Regards, >> > >> > Richard Duivenvoorde >> > >> > On 17-10-2025 11:39, Nigel Cowlin via QGIS-User wrote: >> >> Hi, >> >> Not sure if this is the correct place for this kind of query - sorry >> >> if it is not! >> >> >> >> I'm using QGIS 3.34.7-Prizren and have a multi-layered project I >> >> regularly use. It includes locally saved layers of various types and >> >> quite a few web provided layers such as ArcGIS REST, WFS, WMS, WCS, >> >> etc. On reopening the project several of these web provided layers >> >> show on the 'Handle Unavailable Layers' pop up and are unavailable in >> >> the project. It is random which ones each time. Sometimes they are >> >> stubbornly difficult to restore (reconnect/repair data source). There >> >> is nothing wrong with the source of these layers. Do you know why this >> >> is and can you suggest a solution? >> >> Thank you. >> >> Nigel >> >> >> >> Nigel Cowlin BA(Hons) DipLA CMLI >> >> Director >> >> >> >> *NIGEL*COWLIN LTD >> >> Landscape Assessment & Design >> >> 07747 606533 >> >> nigel at nigelcowlin.co.uk >> >> www.nigelcowlin.co.uk >> >> Maltwood, 6 Lamarsh Hill, Bures, CO8 5EH >> >> >> >> A Landscape Institute Registered Practice. >> >> Nigel Cowlin Limited - Registered Company in England & Wales No: >> >> 07628668. Registered Office: Maltwood, 6 Lamarsh Hill, Bures St Mary, >> >> CO8 5EH >> >> >> >> _______________________________________________ >> >> QGIS-User mailing list >> >> QGIS-User at lists.osgeo.org >> >> List info: https://lists.osgeo.org/mailman/listinfo/qgis-user >> >> Unsubscribe: https://lists.osgeo.org/mailman/listinfo/qgis-user >> > >> > _______________________________________________ >> > QGIS-User mailing list >> > QGIS-User at lists.osgeo.org >> > List info: https://lists.osgeo.org/mailman/listinfo/qgis-user >> > Unsubscribe: https://lists.osgeo.org/mailman/listinfo/qgis-user >> >> -------------- next part -------------- An HTML attachment was scrubbed... URL: From aron.gergely at rasterra.nl Fri Oct 17 02:29:41 2025 From: aron.gergely at rasterra.nl (Aron Gergely) Date: Fri, 17 Oct 2025 11:29:41 +0200 Subject: [Qgis-user] Scale In-Reply-To: <832776753.1974857.1760623415665@mail.yahoo.com> References: <832776753.1974857.1760623415665.ref@mail.yahoo.com> <832776753.1974857.1760623415665@mail.yahoo.com> Message-ID: [in Hungarian] Szia Lajos! Udv a nemzetkozi QGIS taborban! A tanacsom, hogy inkabb a QGIS-ben bizz, mint az AI-ban. :) Legy az utobbi fele nagyon kritikus, plane ha szamodra uj dologba fogsz. Szoval, ha QGIS 1:10000-es meretaranyt mutat, az mervado, mint azt a matekod is igazolja. A terkepedre be is tudsz illeszteni egy ilyen grafikai elemet ami a merataranyt feltunteti. Ha az angol nyelv gondot okoz, akkor keresd fel a magyar informalis QGIS felhasznaloi kozosseget, azt hiszem van egy a LinkedIn-en. Illetve felkeresheted Siki Zoltant a BME professzorat, o a Magyar korokben a QGIS huzoereje, valamint remek figura. Sok sikert! [in English] Hi Lajos, Welcome to the international QGIS camp! My advice: rather trust QGIS than AI. Be very critical about the latter, especially when undertaking something new to you. If QGIS reports the scale to be 1:10000 then it's probably right, as your math also confirms. You can in fact insert such a graphical element on your map layout which shows the scale on the map. If English gives you trouble, you can look for the informal Hungarian user communities, I believe they are mostly in LinkedIn / FB groups.. You can also find Zoltan Siki, a professor at BME who is the driving force behind local QGIS / FOSS communities. Also a great guy. Good luck! On 10/16/25 16:03, Lajos Tolnai via QGIS-User wrote: > Hello! > I will try to write short sentences so that the translation remains > understandable. > I am a QGIS user by chance. > I started using it because AI encouraged me to. > I needed a map. > AI helped me, and now I'm done. > But something is bothering me. > In the print window, the Scala value is 7500. > The AI claims that this is the scale. > But that can't be right. > A section 14 km wide and 23 km high is displayed. > On a surface 1.4 m wide and 2 m high. > What I would like to know is: Does the scale value really correspond > to the 1:10,000 scale shown on the maps? > Thanks in advance for your replies. > Lajos > > > > Sziasztok! > Megpr?b?lok r?vid mondatokat ?rni, hogy a ford?t?s ?rthet? maradjon. > V?letlen?l vagyok QGIS felhaszn?l?. > Az AI biztat?s?ra kezdtem bele. > Sz?ks?gem volt egy t?rk?pre. > Az AI seg?tett, k?sz vagyok. > De valami nagyon zavar. > A nyomtat?si ablakban a Scala ?rt?k 7500. > Az AI ?ll?tja, hogy az a m?retar?ny. > De az nem lehet. > Egy 14 km sz?les ?s 23 km magas szelv?ny van kiter?tve. > 1,4 m sz?les ?s 2 m magas fel?letre. > Amit szeretn?k megtudni: A sc?la ?rt?k val?ban megegyezik a t?rk?peken > l?that? 1:10.000 ar?nnyal? > > K?sz?n?m el?re is a v?laszokat. > Lajos > > > _______________________________________________ > QGIS-User mailing list > QGIS-User at lists.osgeo.org > List info:https://lists.osgeo.org/mailman/listinfo/qgis-user > Unsubscribe:https://lists.osgeo.org/mailman/listinfo/qgis-user -- Email Signature Kind Regards, Aron Gergely +31 (0) 6 38 70 97 66 *Rasterra* | www.rasterra.nl -------------- next part -------------- An HTML attachment was scrubbed... URL: From rdmailings at duif.net Fri Oct 17 04:08:32 2025 From: rdmailings at duif.net (Richard Duivenvoorde) Date: Fri, 17 Oct 2025 13:08:32 +0200 Subject: [Qgis-user] Online layers (ArcGIS REST, WFS, WMS, WCS) failing on reopenning In-Reply-To: References: <786da4dabb9b74caafde5f78ac15e57c@s3.co.za> Message-ID: <30286a30-df31-41a8-93ad-40715c9d9927@duif.net> It is a lot, but only too much if you have issues with it :-) Problem could be that if you load project with a service which is no longer available, QGIS will try (maybe even 'block') for 5 minutes before telling you 'something is wrong'... So set it to a minute or two unless that is an issue for yourself (I had wfs servers which sometimes took 1,5 minute to prepare my result....).. Regards, Richard On 17-10-2025 12:57, Nigel Cowlin wrote: > Sorry, correction.? I actually have my timeout?set to 300,000 ms (5 minutes).? Is that too much? > > On Fri, 17 Oct 2025 at 11:54, Nigel Cowlin > wrote: > > Hi Both, > Richard, I think your suggestions about the service providers restricting access might be what I'm experiencing, because this only seems to affect my primary PC.? When I try on another PC there's no issue and all layers load first time without a hitch!? I've also tried adjusting my timeout for network requests to 30 seconds (30000ms), but that doesn't help.? Might be a problem I have to put up with, but it's really frustrating.? I wonder if there is a way of refreshing my IP whenever it gets too difficult to load these layers!!? > Nigel > > On Fri, 17 Oct 2025 at 11:22, Nigel Berjak - General > wrote: > > Hi Richard > > Different Nigel here, but thanks for your responses and yes, it would be > nice to be able to set a limit to the attempts and number of requests, > as per your OPT OUT suggestion. > > --- > Regards, > > Nigel Berjak > Please consider the environment before printing this email. > > On 2025-10-17 12:19, Richard Duivenvoorde via QGIS-User wrote: > > Hi Nigel, > > > > If your project contains a lot of online layers, there may be a chance > > that some of them 'time out'. > > I know of service providers that do not allow more then one or a few > > simultaneous connections from one client or IP address to their > > services (while QGIS is firing a whole set of them just to retrieve all > > layers in the project). > > > > I'm also aware that service providers do 'throttling' of services: if > > you do more the x requests met minute, you get a sort of handicap to > > not request so much. > > > > If I were you I would try to set the Options/Network/Timeout for > > network requests (ms) to something higher then the default 10s (10000 > > ms!).? Try to set it to a very high value and see if that helps. > > > > If not, then QGIS could maybe try to not fire so many requests at a > > time upon opening. > > Eg only the visible layers first (and the invisible ones after loading > > the project). > > If so, it would be best if you create an issue and provide a (big) > > example project file with (preferably open) services and all your > > network settings. But please first try to play with the 'network > > timeout'... > > > > Another tip: F12 can show you all network requests that QGIS if firing. > > IF a layer is failing to load, but the corresponding url's of the layer > > to the service load in for example a browser, then you can at least > > tell that it is not the service that is an issue... > > > > Earlier I also have said that I would want to have an option to opt OUT > > of the requesting the 9 canvases around current mapcanvas. This is > > often a unnecessary number of requests, just making providing a web > > service harder... > > > > Regards, > > > > Richard Duivenvoorde > > > > On 17-10-2025 11:39, Nigel Cowlin via QGIS-User wrote: > >> Hi, > >> Not sure if this is the correct place for this kind of query - sorry > >> if it is not! > >> > >> I'm using QGIS 3.34.7-Prizren and have a multi-layered project I > >> regularly use. It includes locally saved layers of various types and > >> quite a few web provided layers such as ArcGIS REST, WFS, WMS, WCS, > >> etc. On reopening the project several of these web provided layers > >> show on the 'Handle Unavailable Layers' pop up and are unavailable in > >> the project. It is random which ones each time. Sometimes they are > >> stubbornly difficult to restore (reconnect/repair data source). There > >> is nothing wrong with the source of these layers. Do you know why this > >> is and can you suggest a solution? > >> Thank you. > >> Nigel > >> > >> Nigel Cowlin BA(Hons) DipLA CMLI > >> Director > >> > >> *NIGEL*COWLIN LTD > >> Landscape Assessment & Design > >> 07747 606533 > >> nigel at nigelcowlin.co.uk > > >> www.nigelcowlin.co.uk > > >> Maltwood, 6 Lamarsh Hill, Bures, CO8 5EH > >> > >> A Landscape Institute Registered Practice. > >> Nigel Cowlin Limited - Registered Company in England & Wales No: > >> 07628668. Registered Office: Maltwood, 6 Lamarsh Hill, Bures St Mary, > >> CO8 5EH > >> > >> _______________________________________________ > >> QGIS-User mailing list > >> QGIS-User at lists.osgeo.org > >> List info: https://lists.osgeo.org/mailman/listinfo/qgis-user > >> Unsubscribe: https://lists.osgeo.org/mailman/listinfo/qgis-user > > > > _______________________________________________ > > QGIS-User mailing list > > QGIS-User at lists.osgeo.org > > List info: https://lists.osgeo.org/mailman/listinfo/qgis-user > > Unsubscribe: https://lists.osgeo.org/mailman/listinfo/qgis-user > From mike at augview.net Fri Oct 17 11:27:30 2025 From: mike at augview.net (Mike Bundock) Date: Sat, 18 Oct 2025 07:27:30 +1300 Subject: [Qgis-user] save a join between attribute and table in gpkg? In-Reply-To: References: Message-ID: hi we had a similar issue in that we could not find a way of saving join information. The technique we ended up using was to extend the qml syntax to support join field definitions, and use a small function to re-establish joins correctly. This is really useful if the same sets of tables are used in multiple projects. Its simply a matter of loading the qml files using the layer -> properties -> load style function. We also use it as an easy method to define the join fields within other applications such as Augview. It means that UI behaviour within multiple applications is consistent and only needs defining once. hope that is helpful. If you want to use the same syntax, let me know & i will send some documentation. regards *Mike Bundock* | CEO Augview | P O Box 125046, St Heliers, Auckland 1740, New Zealand p: +64 9 575 5298 | m: +64 27 575 5298 | e: mailto:mike.bundock at augview.net | w: www.augview.net Winner of Innovation & Commercialisation and Supreme Awards at 2014 NZ Spatial Excellence Awards Winner of Innovation & Commercialisation Award at 2014 Asia Pacific Spatial Excellence Awards On Fri, 17 Oct 2025, 11:13?pm Simon Dietmann via QGIS-User, < qgis-user at lists.osgeo.org> wrote: > Dear list, > > > > I am trying to export some feature classes inside a common gpkg that have > attribute joins to a table that?s also stored in the same gpkg. Afaics > there is no possibility to store the information about the table join also > inside the gpkg, is that correct? > > > > Is there a way to store (and share) the joins except sharing a .qgz file? > > > > Thanks for your advice, > > > > Regards > > > > Simon > > > > > > i.A. Simon Dietmann > Projektleiter | Geograph > > PGNU Planungsgesellschaft Natur & Umwelt mbH > Amtsgericht Frankfurt am Main, HRB 111938; > Gesch?ftsf?hrer: Dr. Benjamin Hill, Dorit Thurm, Sebastian Braun > Hamburger Allee 45 +++ 60486 Frankfurt am Main > > Durchwahl: +49 69 952964-32 +++ Fax: +49 69 952964-99 > E-Mail: dietmann at pgnu.de +++ Web: www.pgnu.de > > > Diese E-Mail k?nnte vertrauliche und/oder rechtlich gesch?tzte > Informationen enthalten. Wenn Sie nicht der richtige Adressat sind oder > diese E-Mail irrt?mlich erhalten haben, informieren Sie bitte sofort den > Absender und vernichten Sie diese Mail. Das unerlaubte Kopieren sowie die > unbefugte Weitergabe dieser Mail sind nicht gestattet. > > This e-mail may contain confidential and/or privileged information. If > you are not the intended recipient (or have received this e-mail in error) > please notify the sender immediately and destroy this e-mail. Any > unauthorised copying, disclosure or distribution of the material in this > e-mail is strictly forbidden. > _______________________________________________ > QGIS-User mailing list > QGIS-User at lists.osgeo.org > List info: https://lists.osgeo.org/mailman/listinfo/qgis-user > Unsubscribe: https://lists.osgeo.org/mailman/listinfo/qgis-user > -------------- next part -------------- An HTML attachment was scrubbed... URL: -------------- next part -------------- A non-text attachment was scrubbed... Name: PL0XMNCPEM Type: image/png Size: 8911 bytes Desc: not available URL: -------------- next part -------------- A non-text attachment was scrubbed... Name: PL0XMNCPEM Type: image/png Size: 8911 bytes Desc: not available URL: From jostev at bgs.ac.uk Fri Oct 17 12:19:47 2025 From: jostev at bgs.ac.uk (John Stevenson - BGS) Date: Fri, 17 Oct 2025 19:19:47 +0000 Subject: [Qgis-user] save a join between attribute and table in gpkg? In-Reply-To: References: Message-ID: We have also had success with views. There are a few queries to run to register them correctly. You can do this via the QGIS Database manager. DB Browser for SQLite is also good. Note that the view must include an integer ID to render correctly in some settings. CREATE VIEW IF NOT EXISTS "view_locality_geology" AS SELECT loc.fid as fid, loc.name as name, loc.rock_type, geo.minerals as colour, geo.age as age, loc.geometry as geometry FROM locality as loc LEFT JOIN geological_units geo on geo.rock_type= rock_type; INSERT INTO gpkg_contents VALUES('view_locality_geology,'features','view_locality_geology','View with geology information at locality positions','2023-09-15T13:21:52.679Z',NULL,NULL,NULL,NULL,4326); INSERT INTO gpkg_geometry_columns VALUES('view_locality_geometry','geometry','POINT',4326,1,0); From: QGIS-User On Behalf Of Mike Bundock via QGIS-User Sent: 17 October 2025 20:28 To: Simon Dietmann Cc: qgis-user Subject: Re: [Qgis-user] save a join between attribute and table in gpkg? hi we had a similar issue in that we could not find a way of saving join information. The technique we ended up using was to extend the qml syntax to support join field definitions, and use a small function to re-establish joins correctly. This is really useful if the same sets of tables are used in multiple projects. Its simply a matter of loading the qml files using the layer -> properties -> load style function. We also use it as an easy method to define the join fields within other applications such as Augview. It means that UI behaviour within multiple applications is consistent and only needs defining once. hope that is helpful. If you want to use the same syntax, let me know & i will send some documentation. regards Mike Bundock | CEO Augview | P O Box 125046, St Heliers, Auckland 1740, New Zealand p: +64 9 575 5298 | m: +64 27 575 5298 | e: mailto:mike.bundock at augview.net| w: www.augview.net [Image removed by sender.] [Image removed by sender.] [Image removed by sender.] Winner of Innovation & Commercialisation and Supreme Awards at 2014 NZ Spatial Excellence Awards Winner of Innovation & Commercialisation Award at 2014 Asia Pacific Spatial Excellence Awards On Fri, 17 Oct 2025, 11:13?pm Simon Dietmann via QGIS-User, > wrote: Dear list, I am trying to export some feature classes inside a common gpkg that have attribute joins to a table that?s also stored in the same gpkg. Afaics there is no possibility to store the information about the table join also inside the gpkg, is that correct? Is there a way to store (and share) the joins except sharing a .qgz file? Thanks for your advice, Regards Simon i.A. Simon Dietmann Projektleiter | Geograph [cid:image001.png at 01DC3FAB.C25EC320] PGNU Planungsgesellschaft Natur & Umwelt mbH Amtsgericht Frankfurt am Main, HRB 111938; Gesch?ftsf?hrer: Dr. Benjamin Hill, Dorit Thurm, Sebastian Braun Hamburger Allee 45 +++ 60486 Frankfurt am Main Durchwahl: +49 69 952964-32 +++ Fax: +49 69 952964-99 E-Mail: dietmann at pgnu.de +++ Web: www.pgnu.de > Diese E-Mail k?nnte vertrauliche und/oder rechtlich gesch?tzte Informationen enthalten. Wenn Sie nicht der richtige Adressat sind oder diese E-Mail irrt?mlich erhalten haben, informieren Sie bitte sofort den Absender und vernichten Sie diese Mail. Das unerlaubte Kopieren sowie die unbefugte Weitergabe dieser Mail sind nicht gestattet. > This e-mail may contain confidential and/or privileged information. If you are not the intended recipient (or have received this e-mail in error) please notify the sender immediately and destroy this e-mail. Any unauthorised copying, disclosure or distribution of the material in this e-mail is strictly forbidden. _______________________________________________ QGIS-User mailing list QGIS-User at lists.osgeo.org List info: https://lists.osgeo.org/mailman/listinfo/qgis-user Unsubscribe: https://lists.osgeo.org/mailman/listinfo/qgis-user This email and any attachments are intended solely for the use of the named recipients. If you are not the intended recipient you must not use, disclose, copy or distribute this email or any of its attachments and should notify the sender immediately and delete this email from your system. UK Research and Innovation (UKRI) has taken every reasonable precaution to minimise risk of this email or any attachments containing viruses or malware but the recipient should carry out its own virus and malware checks before opening the attachments. UKRI does not accept any liability for any losses or damages which the recipient may sustain due to presence of any viruses. -------------- next part -------------- An HTML attachment was scrubbed... URL: -------------- next part -------------- A non-text attachment was scrubbed... Name: ~WRD0000.jpg Type: image/jpeg Size: 823 bytes Desc: ~WRD0000.jpg URL: -------------- next part -------------- A non-text attachment was scrubbed... Name: image001.png Type: image/png Size: 8911 bytes Desc: image001.png URL: From mike at augview.net Fri Oct 17 12:59:51 2025 From: mike at augview.net (Mike Bundock) Date: Sat, 18 Oct 2025 08:59:51 +1300 Subject: [Qgis-user] save a join between attribute and table in gpkg? In-Reply-To: References: Message-ID: there can be issues with views, especially if the resulting field list is long. Where there is limited screen space, it seems more natural to follow a join field. *Mike Bundock* | CEO Augview | P O Box 125046, St Heliers, Auckland 1740, New Zealand p: +64 9 575 5298 | m: +64 27 575 5298 | e: mailto:mike.bundock at augview.net | w: www.augview.net Winner of Innovation & Commercialisation and Supreme Awards at 2014 NZ Spatial Excellence Awards Winner of Innovation & Commercialisation Award at 2014 Asia Pacific Spatial Excellence Awards On Sat, 18 Oct 2025, 8:19?am John Stevenson - BGS, wrote: > We have also had success with views. There are a few queries to run to > register them correctly. You can do this via the QGIS Database manager. > DB Browser for SQLite is also good. Note that the view must include an > integer ID to render correctly in some settings. > > > > CREATE VIEW IF NOT EXISTS "view_locality_geology" AS > > SELECT > > loc.fid as fid, > > loc.name as name, > > loc.rock_type, > > geo.minerals as colour, > > geo.age as age, > > loc.geometry as geometry > > FROM locality as loc > > LEFT JOIN geological_units geo on geo.rock_type= rock_type; > > > > INSERT INTO gpkg_contents > > VALUES('view_locality_geology,'features','view_locality_geology','View > with geology information at locality > positions','2023-09-15T13:21:52.679Z',NULL,NULL,NULL,NULL,4326); > > > > INSERT INTO gpkg_geometry_columns > > VALUES('view_locality_geometry','geometry','POINT',4326,1,0); > > > > > > *From:* QGIS-User *On Behalf Of *Mike > Bundock via QGIS-User > *Sent:* 17 October 2025 20:28 > *To:* Simon Dietmann > *Cc:* qgis-user > *Subject:* Re: [Qgis-user] save a join between attribute and table in > gpkg? > > > > hi > > we had a similar issue in that we could not find a way of saving join > information. The technique we ended up using was to extend the qml syntax > to support join field definitions, and use a small function to re-establish > joins correctly. This is really useful if the same sets of tables are used > in multiple projects. Its simply a matter of loading the qml files using > the layer -> properties -> load style function. > > > > We also use it as an easy method to define the join fields within other > applications such as Augview. It means that UI behaviour within multiple > applications is consistent and only needs defining once. > > > > hope that is helpful. If you want to use the same syntax, let me know & i > will send some documentation. > > > > regards > > > > *Mike Bundock* | CEO > > Augview | P O Box 125046, St Heliers, Auckland 1740, New Zealand > > p: +64 9 575 5298 | m: +64 27 575 5298 | e: > mailto:mike.bundock at augview.net | w: > www.augview.net > > [image: Image removed by sender.][image: Image removed by sender.] > [image: Image removed by sender.] > > Winner of Innovation & Commercialisation and Supreme Awards at 2014 NZ > Spatial Excellence Awards > > Winner of Innovation & Commercialisation Award at 2014 Asia Pacific > Spatial Excellence Awards > > > > On Fri, 17 Oct 2025, 11:13?pm Simon Dietmann via QGIS-User, < > qgis-user at lists.osgeo.org> wrote: > > Dear list, > > > > I am trying to export some feature classes inside a common gpkg that have > attribute joins to a table that?s also stored in the same gpkg. Afaics > there is no possibility to store the information about the table join also > inside the gpkg, is that correct? > > > > Is there a way to store (and share) the joins except sharing a .qgz file? > > > > Thanks for your advice, > > > > Regards > > > > Simon > > > > > > i.A. Simon Dietmann > Projektleiter | Geograph > > PGNU Planungsgesellschaft Natur & Umwelt mbH > Amtsgericht Frankfurt am Main, HRB 111938; > Gesch?ftsf?hrer: Dr. Benjamin Hill, Dorit Thurm, Sebastian Braun > Hamburger Allee 45 +++ 60486 Frankfurt am Main > > Durchwahl: +49 69 952964-32 +++ Fax: +49 69 952964-99 > E-Mail: dietmann at pgnu.de +++ Web: www.pgnu.de > > > Diese E-Mail k?nnte vertrauliche und/oder rechtlich gesch?tzte > Informationen enthalten. Wenn Sie nicht der richtige Adressat sind oder > diese E-Mail irrt?mlich erhalten haben, informieren Sie bitte sofort den > Absender und vernichten Sie diese Mail. Das unerlaubte Kopieren sowie die > unbefugte Weitergabe dieser Mail sind nicht gestattet. > > This e-mail may contain confidential and/or privileged information. If > you are not the intended recipient (or have received this e-mail in error) > please notify the sender immediately and destroy this e-mail. Any > unauthorised copying, disclosure or distribution of the material in this > e-mail is strictly forbidden. > > _______________________________________________ > QGIS-User mailing list > QGIS-User at lists.osgeo.org > List info: https://lists.osgeo.org/mailman/listinfo/qgis-user > Unsubscribe: https://lists.osgeo.org/mailman/listinfo/qgis-user > > > > This email and any attachments are intended solely for the use of the > named recipients. If you are not the intended recipient you must not use, > disclose, copy or distribute this email or any of its attachments and > should notify the sender immediately and delete this email from your > system. UK Research and Innovation (UKRI) has taken every reasonable > precaution to minimise risk of this email or any attachments containing > viruses or malware but the recipient should carry out its own virus and > malware checks before opening the attachments. UKRI does not accept any > liability for any losses or damages which the recipient may sustain due to > presence of any viruses. > > -------------- next part -------------- An HTML attachment was scrubbed... URL: -------------- next part -------------- A non-text attachment was scrubbed... Name: ~WRD0000.jpg Type: image/jpeg Size: 823 bytes Desc: not available URL: -------------- next part -------------- A non-text attachment was scrubbed... Name: image001.png Type: image/png Size: 8911 bytes Desc: not available URL: -------------- next part -------------- A non-text attachment was scrubbed... Name: ~WRD0000.jpg Type: image/jpeg Size: 823 bytes Desc: not available URL: -------------- next part -------------- A non-text attachment was scrubbed... Name: image001.png Type: image/png Size: 8911 bytes Desc: not available URL: From marcbordelon at yahoo.com Fri Oct 17 13:50:12 2025 From: marcbordelon at yahoo.com (Marc Bordelon) Date: Fri, 17 Oct 2025 20:50:12 +0000 (UTC) Subject: [Qgis-user] Raster Attribute Table References: <1181622792.4194546.1760734212592.ref@mail.yahoo.com> Message-ID: <1181622792.4194546.1760734212592@mail.yahoo.com> I've been using QGIS for about 4 years now. I'm presently running 3.40.10. I've created a DEM raster layer with 15 classes based on 0.5ft contours. I've also created the symbology to reflect these classes, along with an attribute table. The table looks great but I can't edit the table to remove all the columns (with band colors). All I need is the contour breaks along with the colors.? Is there a way to remove these columns. I can edit the table, but only to add a column not to remove a column.? If I convert the DEM Raster layer to a Vector layer only 2 columns are converted (id, elevation) none of the others are converted.? Is there a fix for this or is there another way to get an attribute table to reflect elevation contours along with colors.? Any help would be greatly appreciated.? Marc J. BordelonSoil Scientist -------------- next part -------------- An HTML attachment was scrubbed... URL: From br8kwall at gmail.com Fri Oct 17 21:00:14 2025 From: br8kwall at gmail.com (John Zastrow) Date: Sat, 18 Oct 2025 00:00:14 -0400 Subject: [Qgis-user] Help with a Portable QGIS Build Message-ID: Hello, I'm working on a project to bundle QGIS with data to create an easy-to-ship and use viewer (aka atlas). However, I'm struggling with the portability of it, and I'm hoping someone can help me get QGIS running as it moves from computer to computer. The process and progress sections at the link below explain where I am right now with the .bat file I'm trying to use. https://github.com/johnzastrow/mqs/blob/main/docs/qgis_viewer/REQUIREMENTS.MD It seems my script is not doing the right things to reset environment variables as the atlas moves to a new computer. Trying to unravel the cascading .bat files from the installer has led me to a blind alley. Thank you -------------- next part -------------- An HTML attachment was scrubbed... URL: From karlo at latnet.lv Sun Oct 19 21:54:15 2025 From: karlo at latnet.lv (Karlo no Dabas maajas) Date: Mon, 20 Oct 2025 07:54:15 +0300 Subject: [Qgis-user] [ANN] TopoToImage - Terrain Visualization Tool with GeoTIFF Export In-Reply-To: <38C57227-2750-4749-9E94-55AA719795BA@joelertola.com> References: <38C57227-2750-4749-9E94-55AA719795BA@joelertola.com> Message-ID: <2aaa70be-79ac-4d02-a880-fc5b72dba4cf@latnet.lv> Hi! Sorry. As far as the program does not support projected coordinate system, it's not very useful. Best regards, Z. 10.10.25 05:07, Joe Lertola via QGIS-User rakst?ja: > Hi everyone, > > I'd like to share an open-source tool that complements QGIS workflows for terrain visualization. > > TopoToImage 4.0 is a specialized application for converting digital elevation models into colored shaded relief images with GeoTIFF export. It?s designed for users who want a dedicated gradient-based workflow for terrain coloring. > [..] From karlo at latnet.lv Sun Oct 19 22:18:05 2025 From: karlo at latnet.lv (Karlo no Dabas maajas) Date: Mon, 20 Oct 2025 08:18:05 +0300 Subject: [Qgis-user] Help with a Portable QGIS Build In-Reply-To: References: Message-ID: <5788c4f6-7349-44f7-4347-dbb79d26c47e@latnet.lv> Hi! Have You explored the possibilities of ?Docker?? (https://www.docker.com/) Best regards, K?rlis 18.10.25 07:00, John Zastrow via QGIS-User rakst?ja: > > > Hello, > > I'm working on a project to bundle QGIS with data to create an > easy-to-ship and use viewer (aka atlas). However, I'm struggling with > the portability of it, and I'm hoping someone can help me get QGIS > running as it moves from computer to computer. [..] From maryla4gis at gmail.com Mon Oct 20 00:23:40 2025 From: maryla4gis at gmail.com (maryla GIS) Date: Mon, 20 Oct 2025 09:23:40 +0200 Subject: [Qgis-user] Problem with auth config and connection to Oracle db Message-ID: Hello everyone, I am having trouble creating a new authentication configuration and connecting to the Oracle database using the Python API. The new authentication configuration and connection are created without errors, but in the end, the connection does not use the encrypted configuration. When I click on 'Edit connection,' the configuration is listed, but it is not properly applied to the connection. As a result, the layers from the database store the user's password in plain text. Additionally, the connection schema is not properly saved despite using setSchema() method. # https://docs.qgis.org/3.34/en/docs/pyqgis_developer_cookbook/authentication.html#populate-authdb-with-a-new-authentication-configuration-entry auth_mgr = QgsApplication.authManager() auth_config = QgsAuthMethodConfig() auth_config.setName('myconfig') auth_config.setMethod('Basic') auth_config.setConfigMap({ 'username': login, 'password': password })assert auth_config.isValid() auth_mgr.storeAuthenticationConfig(auth_config) auth_config_id = auth_config.id()assert auth_config_id # https://gis.stackexchange.com/a/461589/173206 uri = QgsDataSourceUri() uri.setConnection('myhost', '1521', 'mydb', None, None, QgsDataSourceUri.SslPrefer, auth_config_id) uri.setSchema('myschema') conn_config = { "saveUsername": True, "savePassword": True, "estimatedMetadata": True, "metadataInDatabase": True, "onlyExistingTypes": False, } metadata = QgsProviderRegistry.instance().providerMetadata('oracle') connection = metadata.createConnection(uri.uri(False), conn_config) # tried both True and False inside uri() connection: QgsAbstractDatabaseProviderConnection connection.store('My Connection') iface.browserModel().reload() [image: uncorrect_conn_settings.png] [image: auth_config_list.png] I don't have any issues creating the authentication configuration and connecting to the PostgreSQL database this way ? it uses the authentication configuration correctly. The problem occurs when I try to connect to Oracle. I've tested the code on Windows with QGIS versions 3.34, 3.40, and 3.44, and also when creating a new user profile. I've posted the question on gis.stackexchange.com , but I think this case might be a bit tricky. I know that one possible solution is to set the connection parameters by modifying QSettings/QgsSettings - I've done it successfully this way. However, I'm curious to know what's wrong with creating the connection using the code above. Does anyone have any idea? Best regards, Maryla -------------- next part -------------- An HTML attachment was scrubbed... URL: -------------- next part -------------- A non-text attachment was scrubbed... Name: uncorrect_conn_settings.png Type: image/png Size: 33605 bytes Desc: not available URL: -------------- next part -------------- A non-text attachment was scrubbed... Name: auth_config_list.png Type: image/png Size: 8470 bytes Desc: not available URL: From guy.meyvaert at fmt-office.be Mon Oct 20 07:00:54 2025 From: guy.meyvaert at fmt-office.be (Guy Meyvaert) Date: Mon, 20 Oct 2025 14:00:54 +0000 Subject: [Qgis-user] Z-coordinates in CRS Message-ID: Dear, We are struggling with the Z-coordinates. In Qgis we use Mergin Maps plugin with a self developed database. We connect the Mergin Maps App on our Phone or Tablet to a GPS-system (Emlid RX or RS3) When we use the Emlid App, we see that the correct Z-coordinate is given because we can add the Geoide hGB18 (Ostend Height). But in QGIS, we have add the ETRS89 - Ostend Height CRS, but when we measure, we receive in the attribute '@position_altitude' not the correct height according the TAW in Belgium. We have tried everything, also with a recalculation using python-scripts. We are a little bit desperate because our client needs the exact height (TAW) of the measured elements. Met vriendelijke groeten, Meilleures salutations, Kind regards, Guy Meyvaert Architect | bestuurder FMT-office BV Tel: +32 9 245 46 54 GSM: + 32 477 60 48 73 guy.meyvaert at fmt-office.be Als u een klant bent, is het bericht dat u van de afzender ontvangt onderworpen aan de volgende algemene verkoopvoorwaarden: https://general-conditions.eu/BE/248. Door het aanbod te aanvaarden, aanvaardt u uitdrukkelijk deze voorwaarden, alle andere algemene voorwaarden, zoals die van de klant, zijn uitgesloten. Als u een leverancier bent, is het bericht dat u van de afzender ontvangt onderworpen aan de volgende algemene aankoopvoorwaarden: https://general-conditions.eu/124. Alle andere algemene voorwaarden, zoals die van de leverancier, worden uitdrukkelijk uitgesloten. Gelieve ons onmiddellijk te informeren indien deze e-mail en/of een bijlage onvolledig of onleesbaar is aangekomen. Deze e-mail en eventuele bijlagen zijn uitsluitend bestemd voor gebruik door de beoogde ontvanger(s). Ze kunnen eigendomsrechtelijk beschermd materiaal, vertrouwelijke informatie en/of informatie waarop het beroepsgeheim van toepassing is bevatten. Ze mogen niet worden gekopieerd, openbaar gemaakt, bewaard of gebruikt door andere partijen. Als u niet de beoogde ontvanger bent, verzoeken wij u deze e-mail en eventuele bijlagen en alle kopie?n onmiddellijk te verwijderen en de afzender hiervan op de hoogte te stellen. [cid:image001.jpg at 01DC41D9.C894DCE0] FMT-office Tongeren: Sint-truidersteenweg 30 - 3700 Tongeren FMT-office Gent: Kortrijksesteenweg 1090 bus 301 - 9051 Gent P Before printing, think about the environment -------------- next part -------------- An HTML attachment was scrubbed... URL: -------------- next part -------------- A non-text attachment was scrubbed... Name: image001.jpg Type: image/jpeg Size: 7105 bytes Desc: image001.jpg URL: From gdt at lexort.com Mon Oct 20 07:38:18 2025 From: gdt at lexort.com (Greg Troxel) Date: Mon, 20 Oct 2025 10:38:18 -0400 Subject: [Qgis-user] Z-coordinates in CRS In-Reply-To: (Guy Meyvaert via's message of "Mon, 20 Oct 2025 14:00:54 +0000") References: Message-ID: Guy Meyvaert via QGIS-User writes: > Dear, > > We are struggling with the Z-coordinates. > In Qgis we use Mergin Maps plugin with a self developed database. > We connect the Mergin Maps App on our Phone or Tablet to a GPS-system (Emlid RX or RS3) You're being very vague about what you are doing. This makes it unreasonable for anyone to try to help you, and it makes your post not that useful for others. You left out: - what geometry type are you using - (related) how are you storing height - how do you store the data and what does it look like when you get it back to gsis. Include 'ogrinfo' output of a sample point and if all your data is protected by NDA go out and measure a geodetic control point in a public place. (You should be doing that anyway to check your system.) - how are you dealing with ARP to mark offset + and also APC to ARP - are you doing differential GNSS and what is the datum of the reference system > We have tried everything, also with a recalculation using > python-scripts. You did not describe everything in your email! > We are a little bit desperate because our client needs the exact > height (TAW) of the measured elements. You probably need a consultant then! From Brent.Wood at niwa.co.nz Mon Oct 20 12:36:55 2025 From: Brent.Wood at niwa.co.nz (Brent Wood) Date: Mon, 20 Oct 2025 19:36:55 +0000 Subject: [Qgis-user] Help with a Portable QGIS Build In-Reply-To: References: Message-ID: Hi John, You might have a look at Quantarctica, as they seem to have done just what you are proposing. This is a well proven system, with several versions created over the years. The key is to configure a well set up project file that is very robust & portable. https://scar.org/scar-news/quantarctica-3-2 Regards, Brent Wood Principal Technician, Fisheries NIWA DDI: +64 (4) 3860529 ________________________________ From: QGIS-User on behalf of John Zastrow via QGIS-User Sent: Saturday, 18 October 2025 17:00 To: qgis-user Subject: [Qgis-user] Help with a Portable QGIS Build Hello, I'm working on a project to bundle QGIS with data to create an easy-to-ship and use viewer (aka atlas). However, I'm struggling with the portability of it, and I'm hoping someone can help me get QGIS running as it moves from computer to computer. The process and progress sections at the link below explain where I am right now with the .bat file I'm trying to use. https://github.com/johnzastrow/mqs/blob/main/docs/qgis_viewer/REQUIREMENTS.MD It seems my script is not doing the right things to reset environment variables as the atlas moves to a new computer. Trying to unravel the cascading .bat files from the installer has led me to a blind alley. Thank you Brent Wood Principal Technician - GIS and Spatial Data Management +64-4-386-0529 301 Evans Bay Parade, Greta Point, Hataitai, Wellington, New Zealand Earth Sciences New Zealand [Earth Sciences New Zealand] The Institute of Geological and Nuclear Sciences Limited and the National Institute of Water and Atmospheric Research Limited joined to become the New Zealand Institute for Earth Science Limited. We are known as Earth Sciences New Zealand. For more information on the Earth Sciences transition click here. Notice: This email may contain information which is confidential and/or subject to copyright, and may not be used, published or redistributed without the prior written consent of Earth Sciences New Zealand. If you are not the intended recipient, please immediately notify the sender and delete the email and any attachments. Any opinion or views expressed in this email are those of the individual sender and may not represent those of Earth Sciences New Zealand. For information about how we process data and monitor communications please see our privacy policy. -------------- next part -------------- An HTML attachment was scrubbed... URL: From jef at norbit.de Mon Oct 20 13:56:50 2025 From: jef at norbit.de (=?utf-8?Q?J=C3=BCrgen_E=2E?= Fischer) Date: Mon, 20 Oct 2025 22:56:50 +0200 Subject: [Qgis-user] Help with a Portable QGIS Build In-Reply-To: References: Message-ID: <20251020205650.b74zawccxlwmczn2@norbit.de> Hi John, On Sat, 18. Oct 2025 at 00:00:14 -0400, John Zastrow via QGIS-User wrote: > I'm working on a project to bundle QGIS with data to create an easy-to-ship > and use viewer (aka atlas). However, I'm struggling with the portability of > it, and I'm hoping someone can help me get QGIS running as it moves from > computer to computer. The process and progress sections at the link below > explain where I am right now with the .bat file I'm trying to use. > > https://github.com/johnzastrow/mqs/blob/main/docs/qgis_viewer/REQUIREMENTS.MD Try: REM RunAtlas.bat call "%~dp0\bin\qgis.bat" --postinstall "%~dp0\bin\qgis.bat" --profiles-path "%~dp0\Profiles" --profile "Viewer2" --project "geopackage:%~dp0\data.gpkg?projectName=main_project" J?rgen -- J?rgen E. Fischer norBIT GmbH Tel. +49-4931-918175-31 Dipl.-Inf. (FH) Rheinstra?e 13 Fax. +49-4931-918175-50 Software Engineer D-26506 Norden https://www.norbit.de QGIS release manager (PSC) Germany IRC: jef on Libera|OFTC -------------- next part -------------- A non-text attachment was scrubbed... Name: signature.asc Type: application/pgp-signature Size: 833 bytes Desc: not available URL: -------------- next part -------------- An embedded and charset-unspecified text was scrubbed... Name: Pflichtangaben URL: From morgan at hahaha.org Tue Oct 21 17:27:41 2025 From: morgan at hahaha.org (Morgan Fletcher) Date: Tue, 21 Oct 2025 17:27:41 -0700 Subject: [Qgis-user] Finding a flat spot Message-ID: I use qgis mostly for visualizing gpx tracks, georeferencing old maps, drawing vectors to reveal or highlight information related to a map or physical location. I have a real-world need, a wish list item, and I wonder if QGIS might be able to solve it. I want to know where the flat spots are. Given a bounded area on a map, could I ask QGIS to find me all locations that are at least 100 square feet, with less then 1' vertical delta across that space? Yes, I'm trying to find flat camping spots. Morgan -------------- next part -------------- An HTML attachment was scrubbed... URL: From dietmann at pgnu.de Tue Oct 21 23:30:59 2025 From: dietmann at pgnu.de (Simon Dietmann) Date: Wed, 22 Oct 2025 06:30:59 +0000 Subject: [Qgis-user] Finding a flat spot In-Reply-To: References: Message-ID: Hi Morgan, to achieve this, you need a digital elevation model (DEM) with a resolution that is not too coarse. I don?t know where you are located or what your area of interest is, so I can?t tell where you might get it. Once you have your DEM, you can use raster functions like roughness, inclination or topographic position index to identify your spots. Hope that helps, regards Simon Von: QGIS-User Im Auftrag von Morgan Fletcher via QGIS-User Gesendet: Mittwoch, 22. Oktober 2025 02:28 An: qgis-user at lists.osgeo.org Betreff: [Qgis-user] Finding a flat spot I use qgis mostly for visualizing gpx tracks, georeferencing old maps, drawing vectors to reveal or highlight information related to a map or physical location. I have a real-world need, a wish list item, and I wonder if QGIS might be able to solve it. I want to know where the flat spots are. Given a bounded area on a map, could I ask QGIS to find me all locations that are at least 100 square feet, with less then 1' vertical delta across that space? Yes, I'm trying to find flat camping spots. Morgan -------------- next part -------------- An HTML attachment was scrubbed... URL: -------------- next part -------------- A non-text attachment was scrubbed... Name: KY10LL748C Type: image/png Size: 8911 bytes Desc: not available URL: From kirk at nortekresources.com Wed Oct 22 07:53:30 2025 From: kirk at nortekresources.com (Kirk Schmidt) Date: Wed, 22 Oct 2025 11:53:30 -0300 Subject: [Qgis-user] Finding a flat spot In-Reply-To: References: Message-ID: <20049f37-0b87-458e-a73f-b9bf4fffad42@nortekresources.com> Hi Morgan: This is an interesting question.? I am assuming the gpx tracks do not have elevation data, and if so, they may not have the accuracy needed for the 12 inch delta in elevation.? Also, the device you used to record the daa may be optimized to minimize file size, therefore is is unlikely you have usable elevation data in the gpx files. You need to generate a raster digital elevation model (dem) or access one for your target area.? In contrast to vector data,? a raster is typically a continuous grid and for elevation data, each grid would contain the average elevation for that spatial location.? So if each cell in a dem is 10m x 10 m (30.49' x 30.49'), it would not be able to find a flat area that is 100 ft2 (10' x 10'). This is referred to as the resolution of the raster. If you can locate aerial lidar data for your area, the associated dem typically has a high resolution and would meet your needs. You could use the contour lines from a georeference map, however, you would have to digitize the lines and you would be limited by the contour interval.? If it was 6", then you could find what you are looking for, if it is 5, 10 or 30 feet, there would be too much approximation to reliable find flat areas.? The workflow would be to digitize or source the contour lines, convert them to points at high density> use these to generate a raster at a high enough resolution to find low slope contiguous cells that are less than 100 ft2, so perhaps 2.5 to 3'. If you can source a high resolution dem, then you can generate a slope raster from the dem and us that to find contiguous areas of 100 ' or more that have a slope of less than 10 % (1 foot over 10 feet). This is a conceptual answer to your question.? If you proceed, and can source a high res dem, than re-ask the question and the group can provide the specific steps to reach your gola. Kirk Schmidt On 10/21/2025 9:27 PM, Morgan Fletcher via QGIS-User wrote: > I use qgis mostly for visualizing gpx tracks, georeferencing old maps, > drawing vectors to reveal or highlight information related to a map or > physical location. > > I have a real-world need, a wish list item, and I wonder if QGIS might > be able to solve it. > > I want to know where the flat spots are. Given a bounded area on a > map, could I ask QGIS to find me all locations that are at least 100 > square feet, with less then 1' vertical delta across that space? Yes, > I'm trying to find flat camping spots. > > Morgan > > _______________________________________________ > QGIS-User mailing list > QGIS-User at lists.osgeo.org > List info: https://lists.osgeo.org/mailman/listinfo/qgis-user > Unsubscribe: https://lists.osgeo.org/mailman/listinfo/qgis-user -- Kirk Schmidt, MScF, BScF, RPF General Manager Nortek Resource Solutions Inc. 26 Church Road Sutherlands River, NS B0K 1W0 Tel (902) 922.3607 Email: kirk at nortekresources.com Web: www.nortekresources.com From morgan at hahaha.org Wed Oct 22 09:18:05 2025 From: morgan at hahaha.org (Morgan Fletcher) Date: Wed, 22 Oct 2025 09:18:05 -0700 Subject: [Qgis-user] Finding a flat spot In-Reply-To: <20049f37-0b87-458e-a73f-b9bf4fffad42@nortekresources.com> References: <20049f37-0b87-458e-a73f-b9bf4fffad42@nortekresources.com> Message-ID: Thank you, Simon and Kirk, for entertaining my question. I'll search for high-resolution, local DEM data. I know lidar data is available. I'll ask specific questions once I get there. Morgan On Wed, Oct 22, 2025, 8:31?AM Kirk Schmidt via QGIS-User < qgis-user at lists.osgeo.org> wrote: > Hi Morgan: > > This is an interesting question. I am assuming the gpx tracks do not > have elevation data, and if so, they may not have the accuracy needed > for the 12 inch delta in elevation. Also, the device you used to record > the daa may be optimized to minimize file size, therefore is is unlikely > you have usable elevation data in the gpx files. > > You need to generate a raster digital elevation model (dem) or access > one for your target area. In contrast to vector data, a raster is > typically a continuous grid and for elevation data, each grid would > contain the average elevation for that spatial location. So if each > cell in a dem is 10m x 10 m (30.49' x 30.49'), it would not be able to > find a flat area that is 100 ft2 (10' x 10'). This is referred to as the > resolution of the raster. > > If you can locate aerial lidar data for your area, the associated dem > typically has a high resolution and would meet your needs. You could use > the contour lines from a georeference map, however, you would have to > digitize the lines and you would be limited by the contour interval. If > it was 6", then you could find what you are looking for, if it is 5, 10 > or 30 feet, there would be too much approximation to reliable find flat > areas. The workflow would be to digitize or source the contour lines, > convert them to points at high density> use these to generate a raster > at a high enough resolution to find low slope contiguous cells that are > less than 100 ft2, so perhaps 2.5 to 3'. > > If you can source a high resolution dem, then you can generate a slope > raster from the dem and us that to find contiguous areas of 100 ' or > more that have a slope of less than 10 % (1 foot over 10 feet). > > This is a conceptual answer to your question. If you proceed, and can > source a high res dem, than re-ask the question and the group can > provide the specific steps to reach your gola. > > Kirk Schmidt > > > On 10/21/2025 9:27 PM, Morgan Fletcher via QGIS-User wrote: > > I use qgis mostly for visualizing gpx tracks, georeferencing old maps, > > drawing vectors to reveal or highlight information related to a map or > > physical location. > > > > I have a real-world need, a wish list item, and I wonder if QGIS might > > be able to solve it. > > > > I want to know where the flat spots are. Given a bounded area on a > > map, could I ask QGIS to find me all locations that are at least 100 > > square feet, with less then 1' vertical delta across that space? Yes, > > I'm trying to find flat camping spots. > > > > Morgan > > > > _______________________________________________ > > QGIS-User mailing list > > QGIS-User at lists.osgeo.org > > List info: https://lists.osgeo.org/mailman/listinfo/qgis-user > > Unsubscribe: https://lists.osgeo.org/mailman/listinfo/qgis-user > > -- > Kirk Schmidt, MScF, BScF, RPF > General Manager > Nortek Resource Solutions Inc. > 26 Church Road > Sutherlands River, NS > B0K 1W0 > Tel (902) 922.3607 > Email: kirk at nortekresources.com > Web: www.nortekresources.com > > _______________________________________________ > QGIS-User mailing list > QGIS-User at lists.osgeo.org > List info: https://lists.osgeo.org/mailman/listinfo/qgis-user > Unsubscribe: https://lists.osgeo.org/mailman/listinfo/qgis-user > -------------- next part -------------- An HTML attachment was scrubbed... URL: From karlo at latnet.lv Wed Oct 22 22:16:28 2025 From: karlo at latnet.lv (Karlo no Dabas maajas) Date: Thu, 23 Oct 2025 08:16:28 +0300 Subject: [Qgis-user] Finding a flat spot In-Reply-To: <20049f37-0b87-458e-a73f-b9bf4fffad42@nortekresources.com> References: <20049f37-0b87-458e-a73f-b9bf4fffad42@nortekresources.com> Message-ID: <4c698f25-11de-6d17-57e6-c658709c4015@latnet.lv> Hi! I suppose 10 m ? 10 m grid to be too course for finding flat surface for a tent. It will show jut overall steepness. Best regards, K?rlis 22.10.25 17:53, Kirk Schmidt via QGIS-User rakst?ja: > [..] > > You need to generate a raster digital elevation model (dem) or access > one for your target area.? In contrast to vector data,? a raster is > typically a continuous grid and for elevation data, each grid would > contain the average elevation for that spatial location.? So if each > cell in a dem is 10m x 10 m (30.49' x 30.49'), it would not be able to > find a flat area that is 100 ft2 (10' x 10'). This is referred to as the > resolution of the raster. > > [..] > > > On 10/21/2025 9:27 PM, Morgan Fletcher via QGIS-User wrote: >> [..] >> >> I want to know where the flat spots are. Given a bounded area on a >> map, could I ask QGIS to find me all locations that are at least 100 >> square feet, with less then 1' vertical delta across that space? Yes, >> I'm trying to find flat camping spots. >>[..] From br8kwall at gmail.com Fri Oct 24 17:37:52 2025 From: br8kwall at gmail.com (John Zastrow) Date: Fri, 24 Oct 2025 20:37:52 -0400 Subject: [Qgis-user] Help with a Portable QGIS Build In-Reply-To: References: Message-ID: Date: Mon, 20 Oct 2025 22:56:50 +0200 From: J?rgen E. Fischer To: qgis-user at mail.osgeo.org Subject: Re: [Qgis-user] Help with a Portable QGIS Build Message-ID: <20251020205650.b74zawccxlwmczn2 at norbit.de> Content-Type: text/plain; charset="utf-8" Hi John, On Sat, 18. Oct 2025 at 00:00:14 -0400, John Zastrow via QGIS-User wrote: > I'm working on a project to bundle QGIS with data to create an easy-to-ship > and use viewer (aka atlas). However, I'm struggling with the portability of > it, and I'm hoping someone can help me get QGIS running as it moves from > computer to computer. The process and progress sections at the link below > explain where I am right now with the .bat file I'm trying to use. > > https://github.com/johnzastrow/mqs/blob/main/docs/qgis_viewer/REQUIREMENTS.MD Try: REM RunAtlas.bat call "%~dp0\bin\qgis.bat" --postinstall "%~dp0\bin\qgis.bat" --profiles-path "%~dp0\Profiles" --profile "Viewer2" --project "geopackage:%~dp0\data.gpkg?projectName=main_project" J?rgen J?rgen -- J?rgen E. Fischer norBIT GmbH Tel. +49-4931-918175-31 Dipl.-Inf. (FH) Rheinstra?e 13 Fax. +49-4931-918175-50 Software Engineer D-26506 Norden https://www.norbit.de QGIS release manager (PSC) Germany IRC: jef on Libera|OFTC Hello J?rgen, Thank you for this. Unfortunately, that didn't seem to do anything. That is, I didn't see it update `qgis-bin.env` and ultimately QGIS did not start or even pop up a window. I was hoping for an elegant solution like your script, but I was unable to completely trace out the various cascading scripts that set up the QGIS environment. I resorted to unleashing the army of robots to document the initialization steps and produce a convoluted script that is excessive but works for now. https://github.com/johnzastrow/QGIS/tree/master/portable John On Sat, Oct 18, 2025 at 12:00?AM John Zastrow wrote: > > > Hello, > > I'm working on a project to bundle QGIS with data to create an > easy-to-ship and use viewer (aka atlas). However, I'm struggling with the > portability of it, and I'm hoping someone can help me get QGIS running as > it moves from computer to computer. The process and progress sections at > the link below explain where I am right now with the .bat file I'm trying > to use. > > > https://github.com/johnzastrow/mqs/blob/main/docs/qgis_viewer/REQUIREMENTS.MD > > It seems my script is not doing the right things to reset environment > variables as the atlas moves to a new computer. Trying to unravel the > cascading .bat files from the installer has led me to a blind alley. > > Thank you > -------------- next part -------------- An HTML attachment was scrubbed... URL: From tim.lambe at geoas.de Tue Oct 28 07:50:56 2025 From: tim.lambe at geoas.de (Tim Lambe) Date: Tue, 28 Oct 2025 14:50:56 +0000 Subject: [Qgis-user] Create Report with Atlas only for selected features Message-ID: Dear Ladies and Gentlemen, When creating a report with atlas functionality, I would like to export a page only for the selected features. I have already come across the information that the ?Exclude Page from Export? function can be assigned the expression ?not(is_selected())?. However, this is problematic with large layers, as all features still have to be iterated through. Furthermore, the setting does not affect linked sub-reports. The workarounds I have tried were either to temporarily store the selected features in a separate layer or to temporarily set a corresponding layer filter on the atlas layer for the export. I would be very grateful if someone could tell me whether I might be overlooking a setting in the report that would solve my problem. Many Thanks in advance and best regards Tim Lambe -------------- next part -------------- An HTML attachment was scrubbed... URL: From lukusam at gmail.com Fri Oct 31 12:07:29 2025 From: lukusam at gmail.com (jean Lukusa) Date: Fri, 31 Oct 2025 20:07:29 +0100 Subject: [Qgis-user] Field GPS track and fake GPS track Message-ID: Hi all I would to know how to differenciate GPS field track from GPS track manually generated (cr?ateur) . I mean that if you send a geologist in the field, there is one who really does correctely his job un saving track in GPS but there is another one who does not reach the destination and as a result he creates a fake track in GPS . So How can I distingwish the true track with the fake one? Jean Lukusa MAusIMM -------------- next part -------------- An HTML attachment was scrubbed... URL: