Dónal
pearoid.bsky.social
Dónal
@pearoid.bsky.social
Urban Planning, GIS and Cartography musings

www.spatialoverlay.xyz
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Carte : L’heure vraie en France 🇫🇷
Quand il est 12 heures à Saumur, il est 12h29 à Nice et seulement 11h58 à Bordeaux. Et entre Brest et Nice c'est presque 1 heure. #ManuelGeographie de Pernet aux Éditions Hachette - 1956 #HeureVraie #LeCartographe #France #Carte
January 4, 2026 at 3:51 PM
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Happy New Year! 🎉 While the Data Vis Dispatch is still on holiday break, we’ve rounded up the best-of-2025 lists celebrating data journalism, visualizations, and the people behind them. See something we missed? Send it our way, and we’ll happily include it!

www.datawrapper.de/blog/data-vi...
December 30, 2025 at 2:26 PM
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🚀 The QGIS Timelapse Plugin v0.2.0 has been released! 🎉 You can now overlay vector datasets (like administrative boundaries and roads) on your satellite imagery. 🌍✨
December 28, 2025 at 3:25 PM
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another robot highlight for 2025: man wearing humanoid mocap suit kicks himself in the balls
December 27, 2025 at 5:27 PM
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Create a timelpase animation for any location around the globe in second. Try it out:

Plugin page: qgis.gishub.org
GitHub: github.com/opengeos/qgi...
Video tutorial: youtu.be/D_nkIL1JVU8

#QGIS #geospatial #python #EarthEngine
QGIS Plugin Repository | GeoAI Tools
qgis.gishub.org
December 27, 2025 at 6:25 PM
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You want to know about this site that lets you explore data collected by the HMS Challenger from 1872–1876, an expedition that laid the foundation of oceanography. 🌊

challenger-expedition.sams.ac.uk/explore
December 22, 2025 at 9:50 AM
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Galileo 14th launch successful! 🛰️

On 17 December at 05:01 GMT/06:01 CET), Galileo satellites 33-34 were launched from Europe's Spaceport in French Guiana on an Ariane 6 rocket.

🔗 esa.int/Applications/Satellite_navigation/Galileo_s_first_Ariane_6_launch_strengthens_European_resilience
December 17, 2025 at 9:56 AM
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🚀 Good morning all! It's launch day for #Ariane6 #VA266 and Galileo. Watch the launch coverage now on #ESAwebTV2. Liftoff expected at 05:01 GMT/06:01 CET.
📺 watch.esa.int/two/
Watch live: Galileo launch on Ariane 6
On 17 December, two Galileo satellites will be launched on an Ariane 6 rocket from Europe’s Spaceport in French Guiana in the 14th launch of operational satellites for th...
www.esa.int
December 17, 2025 at 4:38 AM
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CASA staff Philyoung Jeong and Dr Duncan Smith have published a new working paper on accessibility to cycle routes in London, examining new cycling indicators for tracking cycle network development, gaps in the network and challenges faced by vulnerable cyclists.
discovery.ucl.ac.uk/id/eprint/10...
December 15, 2025 at 1:54 PM
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I’ve created a custom QGIS plugin repository where I share the QGIS plugins I develop. This allows you to install and test the latest plugin versions early, before they are released to the official QGIS Plugin Repository.

🔗 Explore the repository: qgis.gishub.org

#QGIS #Geospatial #OpenSource
December 14, 2025 at 3:59 AM
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Poignant comment on what we lose from the demise of the letter - as sparked by the news that Denmark’s postal service will stop carrying letters from the end of the year www.ft.com/content/feca...
December 13, 2025 at 9:42 AM
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Correlation is not causation. Well, not always.
www.economist.com/business/202...
December 11, 2025 at 12:56 AM
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I just published a new installment of “A Gentle Introduction to GDAL” — Python & the Command Line.

#dataviz #cartography #python #gdal

medium.com/@robsimmon/a...
A Gentle Introduction to GDAL Part 10: Python & the Command Line
Scripting directly on the command line with Bash or Zsh is relatively straightforward: work out a sequence of commands, then wrap them in a…
medium.com
December 3, 2025 at 6:00 PM
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🔴 #LiveNow: the pre-launch media briefing for the launch of two #Galileo satellites on Ariane 6 #VA266, on #ESAWebTV until 12:00 CET. (Event in English)

📺 watch.esa.int/two

@euspa.bsky.social @ec.europa.eu @cnes.fr @transport.esa.int @thalesaleniaspace.bsky.social @thalesaleniaspace.bsky.social
December 9, 2025 at 10:01 AM
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Travel times to healthcare & primary schools across the EU at 100m resolution

You can:
•View drive times to 1 or 3 nearest services.
•Compare 2023 vs 2020 to spot changes.
•Show all grid cells or only populated ones.
•Size cells by population to gauge impacted people.

ec.europa.eu/eurostat/web...
December 8, 2025 at 5:39 PM
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The new SAM3 model from Meta is blowing my mind

Shown here: detecting putting greens, pools, and cars in Scottsdale from simple text prompts via Mapbox imagery

R, Shiny, mapgl for the UI; Python backend via @giswqs.bsky.social's segment-geospatial package (thanks Qiusheng!)
December 8, 2025 at 7:16 PM
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Discover Monochrome Hachures, a QGIS plugin that turns DEMs into stunning hachure maps! 🗺️ Inspired by @robhawkes’ tutorial, it automates slope-based line styling for beautiful terrain visualisation.

Check it out: github.com/lad-sapienza...

#QGIS #Cartography #Mapping
December 5, 2025 at 11:48 AM
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Show this to anyone who thinks everyone used to die at 40
The modal year of death from the evolution of Homo sapiens until the 1940s was 0 - 1 year old.
December 2, 2025 at 9:10 PM
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Satellite Imagery

xkcd.com/3173/
December 2, 2025 at 12:13 AM
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The absolute truth from @nigella.bsky.social on panettone
November 29, 2025 at 11:05 PM
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Day 28 - Black
The Longest Nights (2025)

Polar night (+24 hr night) occurs just beyond the Arctic Circle. This is due to the Earth's gravitational pull on light. The ramp up from just beyond the Arctic Circle 67.4°N (24 hrs) to 67.5°N (11 days) is wild.

#30DayMapChallenge
November 28, 2025 at 9:33 PM
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Your universe is a photocopy of a photocopy of a…
on.ft.com/4ahkNKa
November 27, 2025 at 10:36 PM
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#30daymapchallenge | Day 22 Data: Natural Earth | The Great Islands

Earlier this summer I finished this print version of my map from last year depicting our Great Lakes as islands. Been trying to learn more about lighting techniques in Blender—I think this was a big leap forward from 2024 version!
November 22, 2025 at 1:20 PM