#qgis — Public Fediverse posts

@defuneste If you ever need it again: Virtual Layers are your friend
#QGIS #GISChat

Trying out #QGIS 4.2.x, there are many convenient features, but a few plugins I frequently use aren't available yet. Stick with QGIS 3.44.x LTS for now.

Isnt it harder to find in-depth, information on geospatial tech, which is why I want to share a fantastic independent resource:

https://rsandgis.me/

Run by a geospatial expert, its an blog currently focused heavily on RS and GIS, machine learning and modern spatial data workflows. It completely bridges the gap between Earth sciences and modern programming.

https://rsandgis.me/

#GIS #RemoteSensing #GeoAI #EarthObservation #Python #QGIS #SpatialAnalysis #DataScience #LiDAR #OpenScience

Observations like this, and probably others we haven't noticed, may be the answer to why #Perseverance has been going in circles up and down, left and right in this wide area called Lac De Charmes.

Map made with #QGIS using data from #NASA's #MMGIS and imagery from #HiRISE and #USGS

#Mars2020 #Solarocks #Space

📢 #crowdfunding to bring essential #hydrology tools directly into #QGIS.

If you use QGIS for #groundwater or surface #watermanagement, this will make your workflows faster and more reliable.

👉 More info: www.qwast-gis.com/l/crowdfundi...

#OSGeo #FOSS4G

Crowdfunding: Native QGIS Tool...

📢 #crowdfunding to bring essential #hydrology tools directly into #QGIS.

If you use QGIS for #groundwater or surface #watermanagement, this will make your workflows faster and more reliable.

👉 More info: https://www.qwast-gis.com/l/crowdfunding-native-qgis-tools-for-hydrology

@northroadgeo #OSGeo #FOSS4G

Calculate Headwater Catchments with a QGIS Processing Script

https://videos.qwast-gis.com/w/c6zN3vBi3epiUvURzHeTy8

1/3

Back in 1976, Christo and Jeanne-Claude worked with local communities and volunteers in Sonoma County and Marin County to complete Running Fence (24.5 miles).

It was only installed for two weeks, before it was completely removed and landscape restored.

This year marks the project's 50th anniversary. I was able to update my Running Fence project in QGIS with another set of source maps which represent the final route.

#Christo #JeanneClaude #RunningFence #SonomaCounty #MarinCounty #QGIS

Checking out the Bunting Labs AI Vectorizer Plugin for QGIS

https://videos.qwast-gis.com/w/iuLymTyJcCsmAgqfLVH6aJ

📢🗺️📽️ [webinaire] #Carte_Blanche_26

Action de recherche (Carto)graphies et (géo)visualisation de données
#AR9magis #GdR_CNRS_MAGIS

➡️ 🌡️ #IA & #optimisation des #workflow dans #QGIS

by Dalila AMIAR MEFTAH, Architecte, géographe/géomaticienne, GEOMA-SIG.com

📆 26 mai 2026 - 12h30-13h30

🔗 En savoir plus : https://magisar9.github.io/webinaires/cartogeoviz26-amiar_meftah.html

Nice To Be 'Back In The Data Trenches' Directly
--
https://www.usgs.gov/3d-hydrography-program <-- shared U.S. Geological Survey (USGS) #3DHP home page
--
I don't get to be here that often (and that is OK, #ILikeMyJob) - but it is nice to be back working directly with some individual spatial datasets - be it in #QGIS, #ArcGISPro, #PostgreSQL / #PostGIS or wherever...
#GIS #spatial #mapping #water #dataquality #water #hydrography #3DHP #NHD #opendata #USA #MI #reservoirs #dams #pluvial #fluvial #usecase #SQL

I created this map six years ago. It was one of my first projects using #QGIS at the time. I wanted to georeference the old source maps to the current landscape.

The orange vector line defines the route of the
#Christo and #JeanneClaude Running Fence , which was a project they completed in the summer of 1976, lasting two weeks.

#RunningFence started in Cotati, and wound through the landscapes of #SonomaCounty and #MarinCounty.

2026 marks the 50th year since the project was created.

Calibrate Strahler Stream Orders to derive Channel Network in QGIS

https://videos.qwast-gis.com/w/izqyU89KJkvSi1W7d9syjT

Welp, my #mapping attempt at a "Total Value Per Acre" map of #BloomingtonIN failed, but the mess looks pretty.

I believe outside of the core city blocks, too many parcels got joined during a "dissolve" phase, resulting in these mega areas of the same color which shouldn't be there.

It's an interesting analysis to run when considering annexation to check if the proposed additions would contribute more or less on average than existing city blocks.

https://wiki.tycheinsights.com/index.php/TycheHowTo:CreateValuePerAcreMap

#QGIS

#Perseverance either drove into a dead end and is now surrounded by heaps of sand, or found something interesting there, which we don't see yet…

Over-processed to show sand patterns, undistorted, leveled, cropped NAVCAM_RIGHT
looking ENE (71°) from RMC 82.2866
Sol 1704, LMST: 12:36:19

Original: https://mars.nasa.gov/mars2020-raw-images/pub/ods/surface/sol/01704/ids/edr/browse/ncam/NRF_1704_0818212608_691ECM_N0822866NCAM02704_01_195J01.png

Credit: #NASA/JPL-Caltech/65dBnoise

#Mars2020 #Solarocks #Space #QGIS #MMGIS #USGS #HiRISE

#SvystunovaGully
888 downloads!
Looks like I’ve created something that people actually find interesting.

But here’s the real question: with a daily rate of 30–40 downloads... what are the odds of catching such a perfectly round number by accident? 🤣

(Maybe the Universe has a soft spot for hydrogeochemistry!) 😁

#OpenScience #Zenodo #Geochemistry #Hydrogeology #MineWater #DataScience #ResearchLife #ScienceHumor #Groundwater #EnvironmentalScience #Contamination #PHREEQC #RStats #LaTeX #QGIS #FOSS #WaterPollution

#OpenSource im #Gesundheitswesen

Drei #Säule​n des #Gesundheitswesen​s: #Ambulant​e #Versorgung, #Stationär​e #Versorgung, #Öffentlich​er #Gesundheitsdienst

#OpenSource im #Gesundheitswesen:

- #Praxisverwaltungssoftware
-> #GNUmed / #Thera-Pi / #OpenEMR
- #Elektronisch​e #Patientenakte
-> #Module / #Komponent​en
- #Verwaltung & #Forschung
-> #Ehrapy, #QGIS, #RStudio, #Agora (#Kollaborationsplattform), #SORMAS, #DHIS2

#Vortrag Lara #Reußwig
#OSBA #Connect 2025
https://www.youtube.com/live/oBUoYPT09Gc?si=-rie79Pnitnf4cfA&t=2266

💧 Aggressive groundwater and the long memory of contamination

Even after more than a decade of monitoring, the groundwater in this carbonate aquifer remains undersaturated with respect to calcite — consistently showing negative SI values across nearly all observation wells.

This means that the system is still chemically aggressive toward limestone, slowly dissolving the host rock.
The impoundment, operating since 1976, continues to influence the aquifer — with the geometry of possible subsurface voids still uncertain to this day.

📘 All supporting data and modeling results are included in the draft monograph:
🔗 https://zenodo.org/records/16741148

🧪 Data & visualization: PHREEQC + R + QGIS

#Hydrogeochemistry #Geochemistry #MineWater #Groundwater #PHREEQC #EnvironmentalGeoscience #IndependentResearch #OpenScience #QGIS #RStats #Aquifer #Zenodo #SvystunovaGully #GroundwaterContamination #FOSS

Just wrapped up teaching #QGIS for Hydrological Applications to #ErasmusMundus #FloodRiskManagement MSc students at @tudresden's beautiful #Tharandt campus 🍁.

Students completed 7 lessons based on the book I co-authored with @geomenke, earned QGIS certificates, and battled daily Kahoot quizzes for swag and a signed copy of the book! Open source GIS powering future water experts! 💧 #Hydrology #QGISHydro #GIS #OSGeo #PCRaster #IHEDelft

✨ A new version of QDT, the toolkit for deploying QGIS profiles for savvy IT departments, has landed with some nice improvements:

- better integration for shortcuts generated on Linux
- allow usage of environment variables in rules path
- add a new job to set the default profile
- handle UNC paths
- documentation improvements
- creation of a Matrix channel
- enable Immutable GitHub Releases

🔗 https://github.com/qgis-deployment/qgis-deployment-toolbelt-cli/

#QDT #QGISDeploymentToolbelt #QGIS #IT #deployment #matrix

Ideas for YouTube

https://novatopflex.wordpress.com/2025/05/31/ideas-for-youtube/

After a very long stay at Pine Pond #Perseverance has now moved further down hill, apparently reaching the bottom of the Witch Hazel Hill area, where it has spent the last 120 sols examining rocks.

The path shown is a guess. Elevations are from the Octavia E. Butler landing location.

The map was made in #QGIS, using #NASA's #MMGIS and #HiRISE and #USGS imagery and DTMs.

#Solarocks #Space

🚀 This week a new version of QDT has been released, bringing a new job to automatically set the default QGIS profile: https://qgis-deployment.github.io/qgis-deployment-toolbelt-cli/development/history.html#id2

👐 Beyond features and bug fixes, we're also delighted to welcome a new contributor from outside Oslandia: Nicolas Godet. This is an excellent sign for the open source community aspect of the project. Welcome!

A good moment to give it a try: https://github.com/qgis-deployment/qgis-deployment-toolbelt-cli?tab=readme-ov-file#qgis-deployment-toolbelt-qdt

#QDT #QGIS #QGISDeploymentToolbelt #deployment

#Perseverance has now arrived at the area called Broom's Point.

Tosol is Sol 1435 of the #Mars2020 mission, Lₛ is 52.1, and the local time in Jezero Crater is now 18:21.

The map was made with #QGIS and data from #NASA's #MMGIS, #HiRISE and #USGS

Processed, leveled, cropped NAVCAM_RIGHT mosaic
looking NNW (332°) from RMC 69.2124
Sol 1435, LMST: 13:51:34

One original:
https://mars.nasa.gov/mars2020-raw-images/pub/ods/surface/sol/01435/ids/edr/browse/ncam/NRF_1435_0794336896_722ECM_N0692124NCAM03435_01_195J01.png

Credit: #NASA/JPL-Caltech/65dBnoise

Solarocks #Space

Friends don't let friends save geodata as #shapefile ✅
(http://switchfromshapefile.org)

On a related note:
A friend is looking at tracing features (mostly streets and public transportation) from old city maps (Berlin, 1920-30s) with #QGIS. Does anyone have recommendations for (semi-)automated tools?
We've already tried Bunting's AI-Tool and 'Raster Tracer' https://plugins.qgis.org/plugins/raster_tracer, both with some success but not entirely satisfying...
Maybe something using #gdal?
#GIS #GISChat #HGIS

#Perseverance's 5th campaign, named Northern Rim, on the map (comes out being about 9km from Lookout Hill to Singing Canyon).

Now, if you call this part of *western* Jezero Crater 'northern', then it follows that there will also be a *southern* rim campaign in the future 😎

Digitized in #QGIS from a screenshot of the video in the article above.

#Mars2020 #NASA #Solarocks #Space #MMGIS #HiRISE #USGS

Another sol, another 40m higher and 200m closer to the top, Lookout Hill, for #Perseverance. The new path shown on the map is a guess.

Map drawn with #QGIS using data from #NASA's #MMGIS , map imagery from #HiRISE and DTMs from #USGS

#Mars2020 #Solarocks #Space

These are the Voronoi polygons of the intersections in #BloomingtonIN

If you wanted to assign every crash to an intersection, creating voronoi polygons and then counting the crashes in each polygon would be one way to do it, as each polygon represents exactly one intersection.

Works best in denser areas. In sparser networks, you increase the likelihood that the crash was not close by, like with the larger polygons in the corners here.

#UrbanPlanning #mapping #qgis #gis

🚀 New version 0.36.0 of QDT is out! 🎉

This update brings a major improvement for enterprise users:

🌐 Support for PAC files for proxy management.
See https://guts.github.io/qgis-deployment-cli/guides/howto_behind_proxy.html#use-pac-file and https://developer.mozilla.org/en-US/docs/Web/HTTP/Proxy_servers_and_tunneling/Proxy_Auto-Configuration_PAC_file.

📖 Changelog: https://github.com/Guts/qgis-deployment-cli/releases/tag/0.36.0

#QGIS #QDT #OpenSource #Proxy #PAC #Development #Enterprise #QGISDeploymentToolbelt

🚀 Nouvelle version **0.36.0** de QDT disponible ! 🎉

Cette mise à jour apporte une amélioration majeure pour les utilisateurs en environnement d'entreprise :

🌐 Le support des fichiers PAC pour la gestion des proxys
Voir https://guts.github.io/qgis-deployment-cli/guides/howto_behind_proxy.html#use-pac-file et https://developer.mozilla.org/en-US/docs/Web/HTTP/Proxy_servers_and_tunneling/Proxy_Auto-Configuration_PAC_file.

📖 Changelog : https://github.com/Guts/qgis-deployment-cli/releases/tag/0.36.0

#QGIS #QDT #OpenSource #Proxy #PAC #Développement #Entreprise #QGISDeploymentToolbelt

🥳 In latest version of QDT:

- support for local system SSL certificates stores (with trustore on Windows)
- add fine-grained options to support different SSL contexts
- various bug fixes in files downloader
- use Python 3.12 to build packages
- upstream contributions (pyad)

👀 See more on announcements: https://github.com/Guts/qgis-deployment-cli/discussions/categories/announcements

#QDT #QGISDeploymentToolbelt #QGIS

Wochenrückblick, Ausgabe 51 (2024-30).

Diesmal mit

🌍 Mein regelmäßiger Browserwechsel und wie Safari es mir schwer macht, zu Firefox zurückzukehren

📏 der unvernünftige Kauf eines Mitutoyo Digitalmessschiebers

🔡 Inclusive Sans, einem spannenden Ansatz für eine Schriftart

▦ Übersichtlicher Blick in alle Ecken von CSS Grid

💨 Sturmschäden

🔪 Kyocera: mal nicht als Kopierer oder Drucker, sondern in der Küche 😲

🍎 Die Apps mit „Q“

🔊 Techno

#Firefox #Vivaldi #Safari #Mitutoyo #Werkstatt #InclusiveSans #Font #CSS #Grid #CSSGrid #Sturm #Kyocera #macOS #QuickTime #QMK #QGIS #Techno

https://www.marcusjaschen.de/blog/2024/2024-30/

🧱 En 2021, je jetais les premières briques de QDT, aka QGIS Deployment Toolbelt, pour complémenter les capacités des scripts startup.py et s'éviter les mésusages de l'OSGeo4W

🚀 En 2022, nous menions le premier projet en conditions réelles avec l'EPTB Loire.

📈 Après la conférence donnée aux @JourneesQgis 2023, Émilie Bigorne témoigne aujourd'hui de la pérennité du projet et de la solution mise en place : https://oslandia.com/2024/04/16/temoignage-client-emilie-bigorne-geomaticienne-eptb-loire/

cc @oslandia

#QDT #QGISDeploymentToolbelt #QGIS #OSGeo4W

🚀 Et hop une nouvelle version de #QDT juste avant le week-end :
https://guts.github.io/qgis-deployment-cli/development/history.html#id1

🎁 Principales nouveautés :

- le job de synchro des profils a été splitté en 2 : l'un pour télécharger une copie locale, l'autre pour synchroniser la copie locale avec les profils installés dans QGIS
- le job des variables d'environnement est désormais compatible avec Linux (bash)

Bon déploiement QGIS !

#QGIS #QGISDeploymentToolbelt #profiles

Use QGIS To Delineate Catchments Of Streams Flowing Into A Lake [video tutorial]
--
https://youtu.be/jSc3HDN6yEM?si=ZkC2lKyZb5-lO894 <-- shared tutorial video
--
[sharing is not considered an endorsement of this product]
#QGIS #PCRaster #QGISHydro #QuickOSM #opendata #GIS #spatial #mapping #tutorial #video #hydrology #catchment #flowline #catchment #lake #waterbody #water #surfacewater #spatialanalysis #elevation #DEM #LiDAR

:qgis: A last drop of QDT before the next year with a heavy 0.30.0 version: https://github.com/Guts/qgis-deployment-cli/discussions/385

🖥 Enjoy a smooth and reproductible deployment of your QGIS profiles with everything that make the end-user experience better: UI customizations, plugins, specific settings (network, digitizing...), splash screen, desktop icons...

Excited to keep on developing this toolbelt next year!

Featuring @qgis @oslandia

#QGIS #QGISDeploymentToolbelt #QDT

This video will get you up and running with #PostGIS in #QGIS. I show you how to install a convenient version of PostGIS, connect to it through QGIS, create tables and import data from a #Shapefile.

https://youtu.be/gQ7CKyNl_ZM

#cartography #mapping

Mañana este taller básico en OpenStreetMap en el Gabinete de Cartografía y SIG de la Universidad Nacional del Comahue, Argentina, con Juanma Stagnaro.

#cartografia #geografia #drone #gis #geomatics #mapeoabierto #mapas #datos #tecnologíasabiertas #mapeadores #mapeo #mapeamento #datosabiertos #geek #openstreetmap #opensource #qgis #esri #comunidad #Argentina #MapeoDeEmergencia #cartografiasocial #comahue #convocatoria #proyectos #proyectossociales #incidencia #sig

🚀Prêt/e pour les @JourneesQgis à Clermont-Ferrand ?

@geojulien propose de déployer en 3 clics un profil #QGIS tout-en-un contenant tous les plugins et configurations évoqués pendant l'événement :

https://static.geotribu.fr/articles/2023/2023-03-12_conference-qgis-fr-2023-profil-qdt-qgis-deployment-toolbelt/

Pas le temps de lire ?

https://youtu.be/DgdfAf1GRa0

cc @osgeofr

#QGISDeploymentToolbelt #QDT