Oto Kaláb

@otokalab.ecoevo.social.ap.brid.gy

🦗+🗺️+💻=🤓
Bouncing in open source space between ecology and GIS

University of Ostrava & GISMentors

#geospatial #biogeography #landscapeecology #orthoptera […]

[bridged from https://ecoevo.social/@OtoKalab on the fediverse by https://fed.brid.gy/ ] .. more

Videos

Environmental science 36%

Agriculture 33%

Posts Replies Media Videos

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Jakub Nowosad @nowosad.fosstodon.org.ap.brid.gy · 10d

tmap or ggplot2 for maps? 🗺️

David O’Sullivan breaks down the trade-offs in a blog post.

URL: https://dosull.github.io/posts/2024-11-16-tmap-vs-ggplot/tmap4-vs-ggplot2.html

#rstats #rspatial #maps #tmap #ggplot2

tmap vs. ggplot2 for mapping – Geospatial Stuff

For me at least the choice between ggplot2 and tmap is an ongoing question. Here are my latest thoughts on the subject (with code).

dosull.github.io

Reposted by Oto Kaláb

Anita Graser 🇪🇺🇺🇦🇬🇪 @underdarkgis.fosstodon.org.ap.brid.gy · 11d

We’re getting ready for QGIS Open Day on 28 November 2025! 💚

We’re looking for speakers. If you’d like to share your #qgis work or ideas, sign up

👉 https://github.com/qgis/QGIS/wiki/QOD-November-2025

#qod #gischat #osgeo

QOD November 2025

QGIS is a free, open source, cross platform (lin/win/mac) geographical information system (GIS) - qgis/QGIS

github.com

Reposted by Oto Kaláb

Jachym Cepicky @jachym.mastodon.social.ap.brid.gy · 18d

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

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...

vhsky.cz

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Jakub Nowosad @nowosad.fosstodon.org.ap.brid.gy · 22d

#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

30DayMapChallenge

Daily mapping challenge happening every November!

30daymapchallenge.com

Reposted by Oto Kaláb

Martin Rutzinger @mrutzinger.techhub.social.ap.brid.gy · Oct 21

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]

Reposted by Oto Kaláb

Björn Brembs @brembs.mastodon.social.ap.brid.gy · Oct 8

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 […]

Original post on mastodon.social

mastodon.social

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Anita Graser 🇪🇺🇺🇦🇬🇪 @underdarkgis.fosstodon.org.ap.brid.gy · Oct 3

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

#gischat #giscience #GISjobs

University Assistant postdoctoral

jobs.univie.ac.at

Reposted by Oto Kaláb

Jakub Nowosad @nowosad.fosstodon.org.ap.brid.gy · Oct 1

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]

Reposted by Oto Kaláb

Jakub Nowosad @nowosad.fosstodon.org.ap.brid.gy · Sep 24

🌍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]

Reposted by Oto Kaláb

Anita Graser 🇪🇺🇺🇦🇬🇪 @underdarkgis.fosstodon.org.ap.brid.gy · Sep 18

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

Reposted by Oto Kaláb

Jakub Nowosad @nowosad.fosstodon.org.ap.brid.gy · Sep 10

📢 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

Reposted by Oto Kaláb

Jakub Nowosad @nowosad.fosstodon.org.ap.brid.gy · Sep 7

🌍 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

Reposted by Oto Kaláb

Anita Graser 🇪🇺🇺🇦🇬🇪 @underdarkgis.fosstodon.org.ap.brid.gy · Aug 29

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

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.

sdss2025.spatial-data-science.net

Reposted by Oto Kaláb

Jakub Nowosad @nowosad.fosstodon.org.ap.brid.gy · Aug 27

📦 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]

Reposted by Oto Kaláb

Jakub Nowosad @nowosad.fosstodon.org.ap.brid.gy · Aug 18

🚀 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 […]

Original post on fosstodon.org

fosstodon.org

Reposted by Oto Kaláb

Akademie věd ČR @akademievedcr.bsky.social · Aug 15

🍄 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...

Reposted by Oto Kaláb

Jakub Nowosad @nowosad.fosstodon.org.ap.brid.gy · Aug 3

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

Reposted by Oto Kaláb

Anita Graser 🇪🇺🇺🇦🇬🇪 @underdarkgis.fosstodon.org.ap.brid.gy · Jul 16

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

QGIS Screenshot

hub.qgis.org

Reposted by Oto Kaláb

Jakub Nowosad @nowosad.fosstodon.org.ap.brid.gy · Jul 13

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

Reposted by Oto Kaláb

Jakub Nowosad @nowosad.fosstodon.org.ap.brid.gy · Jul 10

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

Reposted by Oto Kaláb

Anita Graser 🇪🇺🇺🇦🇬🇪 @underdarkgis.fosstodon.org.ap.brid.gy · Jul 4

#postdoc position in #giscience at @zgis.bsky.social

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

#GISjobs #salzburg

Reposted by Oto Kaláb

Anita Graser 🇪🇺🇺🇦🇬🇪 @underdarkgis.fosstodon.org.ap.brid.gy · Jun 25

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 […]

Original post on fosstodon.org

fosstodon.org

Reposted by Oto Kaláb

Anita Graser 🇪🇺🇺🇦🇬🇪 @underdarkgis.fosstodon.org.ap.brid.gy · Jun 23

#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

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

www.plus.ac.at

Reposted by Oto Kaláb

Anita Graser 🇪🇺🇺🇦🇬🇪 @underdarkgis.fosstodon.org.ap.brid.gy · Jun 18

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

#xai #GeoAI #gischat

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,…

utwentecareers.nl

Reposted by Oto Kaláb

Anita Graser 🇪🇺🇺🇦🇬🇪 @underdarkgis.fosstodon.org.ap.brid.gy · Jun 13

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

Reposted by Oto Kaláb

Jakub Nowosad @nowosad.fosstodon.org.ap.brid.gy · Jun 11

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

Reposted by Oto Kaláb

Jakub Nowosad @nowosad.fosstodon.org.ap.brid.gy · Jun 4

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

Reposted by Oto Kaláb

Jakub Nowosad @nowosad.fosstodon.org.ap.brid.gy · May 30

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]