Re: [QGIS-Developer] Changelog ready for review and contributions

[Tim Sutton via QGIS-Developer]

Hi All

I forgot to add: Please do not broadcast the changelog site before the
release. During the release preparation, Richard will publish it as static
content on qgis.org, at which point it can then be pushed out to social
media etc.

Regards

Tim

On Sun, Jun 5, 2022 at 1:22 AM Tim Sutton  wrote:

>
> Hi All
>
> Thanks to another fantastic effort from Charles Dixon-Paver, the changelog
> for QGIS 3.26 is ready for review and contributions. Please head over to
>
> https://changelog.qgis.org/en/qgis/version/3.26/
>
> And share your improvements either directly if you have access, or as
> off-list emails to Charles (in CC).
>
> Thanks all,
>
> Regards
>
> Tim
>
> --
>
> --
>
> Tim Sutton
> Visit http://kartoza.com to find out about open source:
>  * Desktop GIS programming services
>  * Geospatial web development
> * GIS Training
> * Consulting Services
> Tim is a member of the QGIS Project Steering Committee
>
> ---
>


-- 
--
​

Tim Sutton
Visit http://kartoza.com to find out about open source:
 * Desktop GIS programming services
 * Geospatial web development
* GIS Training
* Consulting Services
Tim is a member of the QGIS Project Steering Committee
---
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[QGIS-Developer] Changelog ready for review and contributions

[Tim Sutton via QGIS-Developer]

Hi All

Thanks to another fantastic effort from Charles Dixon-Paver, the changelog
for QGIS 3.26 is ready for review and contributions. Please head over to

https://changelog.qgis.org/en/qgis/version/3.26/

And share your improvements either directly if you have access, or as
off-list emails to Charles (in CC).

Thanks all,

Regards

Tim

-- 
--

Tim Sutton
Visit http://kartoza.com to find out about open source:
 * Desktop GIS programming services
 * Geospatial web development
* GIS Training
* Consulting Services
Tim is a member of the QGIS Project Steering Committee
---
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Re: [QGIS-Developer] QGIS vs GEOS validity check

[Jeff McKenna via QGIS-Developer]

Hi JF,

Regarding GEOS, please consider asking for more details through the 
project's vibrant forum (subscribe at 
https://lists.osgeo.org/mailman/listinfo/geos-devel ), I know there was 
a big release made yesterday and some chatter (project home: 
https://libgeos.org/ )  GEOS is one of those core libraries, who would 
greatly appreciate your direct feedback.


PS. hello from the east coast

Thanks,

-jeff



--
Jeff McKenna
GatewayGeo: Developers of MS4W, MapServer Consulting and Training
co-founder of FOSS4G
http://gatewaygeo.com/



On 2022-06-03 4:25 p.m., Bourdon, Jean-François (DIF) via QGIS-Developer 
wrote:

Intranet logo

Hi Devs,

I had a surprising issue with a specific vector layer and a clip 
operation. Validity check of the geometries seem to be done differently 
if native:clip is used inside a processing script or manually through 
the GUI as a vector layer containing a linestring with duplicate node 
like LINESTRING ((0 0, 1 0, 1 0))  won't cause an issue when the clip is 
done with the GUI but will halt if done inside a processing script (on 
QGIS 3.22.6).


Also, if I run */qgis:checkvalidity/* with the *GEOS* method, no error 
is found, but if I run it with the *QGIS* method, it finds one error 
(/line 1 contains 2 duplicate nodes starting at vertex 2/). So here are 
my questions: what exactly is checked when using the GEOS method and 
what is checked using the QGIS method? Also, do all processing tools 
(qgis: and native: ones) use the same kind of check?


I didn't find anywhere the details of what would be considered an error 
according to the "QGIS spec". Is it documented somewhere or do I need to 
look for hints inside the source code? As for the GEOS method, I only 
found some error examples in the PostGIS documentation and in a FME page 
(https://community.safe.com/s/article/invalid-ogc-geometry-examples 
). 
Is there an official documentation of what geometries are invalid 
regarding GEOS?


Thanks a lot for any pointer

*Jean-François Bourdon, ing.f.*

*Analyste en télédétection*
*Direction des inventaires forestiers*
*Ministère des Forêts, de la Faune et des Parcs*
5700, 4^e Avenue Ouest, local A-108
Québec (Québec) G1H 6R1
Téléphone : 418 627-8669, poste 704304
*_jean-francois.bour...@mffp.gouv.qc.ca_*
*mffp.gouv.qc.ca* 






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