Oto Kaláb

MapTiler mapy - zaměřeno na vývojáře, ve spolupráci s komunitou (Jachym Cepicky) Mapy nejsou jen vizualizací dat, ale výsledkem pečlivého procesu, který propojuje otevřené databáze, jako je OpenStreetMap, komunitní spolupráci a technologickou infrastrukturu. V příspěvku předsta...

Záznam mojí přednášky z @openalt kterou pořídil tým @vhsky - moc díky

Mapy a služby v @maptiler.bsky.social anebo od od @openstreetmap k produktu

https://vhsky.cz/w/cjzDM5itV17ppVNn1xQfcw

30DayMapChallenge Daily mapping challenge happening every November!

#30DayMapChallenge starts tomorrow: 30 days, 30 map ideas.

If you’re using R, Python, or Julia, consider sharing open-source examples or tutorials. 🧭

https://30daymapchallenge.com/

#GeoData #DataViz #Maps #SpatialViz

Snow cover is a crucial driver for plant species distributions in cold environments. The primary source of snow cover data used in distribution models is remotely sensed satellite imagery, which is characterized by coarser spatial resolutions than plot-scale […]

[Original post on techhub.social]

TIL: apparently one of the main technical hurdles for universities to run their own #Mastodon instances is to make the instance work with the institution's SSO (most often Shibboleth). It seems there would be a huge opportunity to facilitate the entrance of such major multiplicators into the […]

Postdoc in the Spatial Data Science and GeoCommunication group at @univienna
https://jobs.univie.ac.at/job/University-Assistant-postdoctoral/1251977001/

#GISChat #GIScience #gisjobs

New post by David O’Sullivan:

“Raster really is faster (and vaster), but vector just seems more corrector.”

Part 1A of a series revisiting ideas from Geographic Information Analysis: fractals, raster vs vector, and R code.

👉 […]

[Original post on fosstodon.org]

🌍Exploring Sentinel-2 with the Copernicus Data Space Ecosystem (CDSE)?

Hugh Graham’s guide with vrtility in #rstats. Includes authentication & query of imagery and building cloud-free composites […]

[Original post on fosstodon.org]

Great discussions at #SDSL2025 about integrating #SpatialDataScience libraries in desktop and cloud environments, featuring @movingpandas , @qgis #Trajectools and the @carto Trajectory Analytics extension from the @emeraldseu project

📢 Materials from the OpenGeoHub Summer School 2025 (“Data Science for Earth Observation”) by Krzysztof Dyba are now online.

Discuss how to access, process, and analyze satellite data with #RStats.

👉 https://github.com/kadyb/OGH2025

#RSpatial #RemoteSensing #GISchat

🌍 Call for Papers! Submit to the Progress in Physical Geography special issue:
Coding Earth: Open Source Solutions in Physical Geography

📅 Deadline: 18 Dec 2025
🔗 journals.sagepub.com/home/ppg

#OpenSource #OpenScience #GISchat #RSpatial #GeoPython

Spatial Data Science Symposium 2025 December 4-5 | Distributed & Online. The symposium aims to bring together researchers from both academia and industry to discuss experiences, insights, methodologies, and applications, taking spatial and temporal knowledge into account while addressing their domain-specific problems.

Spatial Data Science Symposium 2025 is announced. Check it out, it's hybrid!
http://sdss2025.spatial-data-science.net/index.html

📦 New R package: sfhotspot by Matt Ashby

Identify & analyze spatial clusters of points (places/events) entirely with sf objects.
Includes tools for counts, change over time, kernel density, Getis–Ord Gi*, & classification.

🔗 GitHub […]

[Original post on fosstodon.org]

🍄 Mykologové z @ibotcz.bsky.social objevili a vědecky popsali dva nové rody mikroskopických hub, které žijí v prostředí s vysokým obsahem soli – v mořské trávě u Mauricia a ve slané půdě v západních Čechách.

Více⬇️
www.avcr.cz/cs/pro-media...

🚀 From soil to space (and back) : PhD position using satellites & ML to study peatland carbon flux. Based in Münster, with research stays in Enschede.

📅 Apply before 15 Sept 2025

🔗 https://stellen.uni-muenster.de/jobposting/112b1672862ecf6f36fedb4835a68b8e4b77c78e0

#RemoteSensing #PhD […]

Chapter 15: Ecological Modeling & Geocomputation 🌱🗺️

Modeling the floristic gradient to reveal distinctive vegetation belts! 📌 Learn spatial modeling techniques with random forests & hyperparameter tuning to analyze ecological data in R.

🔗 https://r.geocompx.org/eco

#rstats #rspatial #geocompx

The new :qgis: @qgis screenshot gallery is ready for you contributions!

https://hub.qgis.org/screenshots/?sort=upload_date&order=desc

It's a new place to share visuals that don't fit in the map gallery

#GISChat #QGIS

Chapter 12: Spatial Statistical Learning 📊🌍

Boost your spatial models! 📌 Learn about spatial autocorrelation, cross-validation, and machine learning with `mlr3`, using a real-world landslide prediction case study.

🔗 https://r.geocompx.org/spatial-cv

#rstats #rspatial #geocompx

New R package alert: 📦 mbg for model-based geostatistics

Run spatial ML & geostatistical models to estimate continuous surfaces from point data + raster covariates.

Built on sf, terra, data.table, caret, and R-INLA.

https://cran.r-project.org/package=mbg

#rspatial #rstats #geostatistics

#PostDoc position in #GIScience at @zgis.bsky.social

Details: https://www.plus.ac.at/geoinformatik/news/

#gisjobs #Salzburg

QGIS User Conf 2025 videos have landed!

The QGISUC2025 team has done an awesome job recording and editing the conference presentations. All "presentation" type talks where the presenter has accepted to be published are now available in a dedicated list on the QGIS Youtube channel. I also had […]

Dissertant*in am Fachbereich Geoinformatik – Z_GIS - Paris Lodron Universität Salzburg Am Fachbereich Geoinformatik – Z_GIS gelangt die Stelle wissenschaftliche*r Mitarbeiter*in im Forschungs- und Lehrbetrieb gemäß UG und Angestelltengesetz als Universitätsassistent*in gem. § 26 Kollektivvertrag der Universitäten (Dissertant*in) zur Besetzung. (Verwendungsgruppe B1; das monatliche Mindestentgelt für diese Verwendung beträgt € 2.786,10 brutto (14× jährlich) und kann sich auf Basis der kollektivvertraglichen Vorschriften durch die Anrechnung tätigkeitsspezifischer

#GIScience jobs: phd position at @unigis_salzburg

https://www.plus.ac.at/personalabteilung-amt-der-universitaet/jobs/wissenschaftliches-universitaetspersonal/dissertantin-am-fachbereich-geoinformatik-z_gis/

#gischat #gisjobs

PhD Candidate in Explainable AI for Earth Observation - Looking for a job that matters? With the growing integration of Artificial Intelligence (AI) in geospatial decision-making processes, ensuring transparency, accountability, and trust in model outputs has become imperative, especially in critical domains such as disaster risk management,…

#GISjob at Uni Twente: https://utwentecareers.nl/en/vacancies/2140/phd-candidate-in-explainable-ai-for-earth-observation/

#XAI #GeoAI #GISChat

Check out @spatialthoughts's "QGIS Expressions Masterclass" workshop. This was first presented at the QGIS Conference 2025 in Sweden and now made available on his channel

https://youtu.be/x3i9qyFGgcQ

#QGIS #QGISUC2025 #GISChat

Spatial prediction meets machine learning with mlr3 💡🌍
This blog post by Marvin Ludwig also includes tips on autocorrelation, extrapolation & more.

🔗 https://geocompx.org/post/2025/sml-bp4/

#mlr3 #rstats #gischat #rspatial

The cover of the book

Exciting news! 🎉 The 2nd edition of Geocomputation with R is now available as a physical book! 📖🌍

Order your copy today and explore the latest in R for spatial analysis.

Learn more about the book's journey: https://buff.ly/3TZzc4L

#geocompx #rspatial #rstats #GIS

QGIS 3D for Open Source Digital Twins | Lutra Consulting Join our crowdfunding campaign to enhance QGIS 3D tools for open-source digital twins, bringing improved performance, features, and community-driven innovation.

Great new initiative by @lutraconsulting and @northroadgeo 🤩:qgis:
make #QGIS an open platform for building geospatial #digitaltwins

Full details:
https://www.lutraconsulting.co.uk/crowdfunding/qgis-3d-for-open-source-digital-twins

#gischat #osgeo #opensource

Interested in spatial data visualization in R?

Martijn Tennekes is teaching a course next week on using the tmap R package for visual exploration, analysis, and presentation of spatial data.

More info […]

[Original post on fosstodon.org]

@oslandia and partners are launching the "Security Project for QGIS": a mutual effort to increase @qgis cybersecurity

Join to learn more: https://framaforms.org/webinar-security-project-for-qgis-1747206395

#GISChat #OSGeo #QGIS #OpenSource

UZH: PhD position Geographic Information Visualization and Analysis (GIVA) “GeoNavLearn” With 28,000 students and 9,000 employees, the University of Zurich (UZH) is the biggest university in Switzerland. As a member of the League of European Research Universities, it counts amongst the leading European universities. The UZH offers a culturally diverse and inspiring working environment and promotes international collaboration in research. The Geographic Information Visualization and Analysis (GIVA) group at the University of Zurich, Faculty of Science, invites applications for a 4-year PhD position with the SNF-funded Project “GeoNavLearn: Towards geographic context-adaptive mobile geographic information displays (mGIDs) to support navigators' spatial learning” led by GIVA head Prof. Dr. Sara I. Fabrikant. The initial appointment is for the first year, with a three-year extension.

PhD position Geographic Information Visualization and Analysis (GIVA) “GeoNavLearn” with Prof. Sara I. Fabrikant

https://jobs.uzh.ch/job-vacancies/phd-position-geographic-information-visualization-and-analysis-giva-geonavlearn/14f0c35e-707c-4b3f-9abf-4be6fe207448

#GISjobs #GISChat #GIScience

We've done it 🥳

Finally, there's a canonical paper on the #QGIS project, its history, workings, and challenges: https://www.sciencedirect.com/science/article/pii/S2666389925001138

Thanks to @timlinux and @mbernasocchi for joining me in trying to tell the QGIS story 💚

#OSGeo #GISChat #GIScience