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#gischat

21 posts18 participants2 posts today
Public
Anita Graser 🇪🇺🇺🇦🇬🇪

It's been a pleasure contributing to the "Spatial Data Science Languages" preprint spear-headed by @edzer together with @martinfleis @paleolimbot @robinlovelace @nowosad @josi @loreabad6
fosstodon.org/@martinfleis/114

FosstodonMartin Fleischmann (@martinfleis@fosstodon.org)"Spatial Data Science Languages: commonalities and needs" - that a preprint 11(!) of us wrote together as one of many outcomes of two workshops held in Münster (2023) and in Prague (2024). It summarised where we are, what we share between R, Python and Julia, what are the common challenges, lessons and recommendations - https://arxiv.org/abs/2503.16686 Big thanks belongs especially to @edzer@mastodon.social who kickstarted the whole initiative! And to all the others who participated! #rspatial #geopython #juliageo
#SpatialDataScience#gischat
Public
Marcos Dione

I think I already asked something similar a few weeks back, but isn't there a public site where I can fetch #Copernicus GLO-30 #DEM files with a simple http client anymore? I used to use `wget` for this, then it was AWS CLI, and now it seems I have to set it up with a user/pass/key/secret_key?

I remember cloning the whole mapzen repo when it was on peril of disappearing, should I have done the same with data that's supposed to be public? Has anyone done that already?

#GIS#GISChat
Public
Spatialists

Open SAR data: Synthetic Aperture Radar (#SAR) is an interesting #remotesensing technology that captures high-resolution data of the Earth’s surface, regardless of weather or lighting conditions. This curated collection of open SAR data sources provides an...
spatialists.ch/posts/2025/04-0 #GIS #GISchat #geospatial #SwissGIS

spatialists.ch – geospatial newsOpen SAR data – spatialists.ch – geospatial news
More from Spatialists
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Olivier Leroy

#GISCHAT TIL github.com/locationtech/geotre

"GeoTrellis is a Scala library and framework that provides APIs for reading, writing and operating on geospatial raster and vector data. GeoTrellis also provides helpers for these same operations in Spark and for performing MapAlgebra operations on rasters. "

GeoTrellis is a geographic data processing engine for high performance applications. - locationtech/geotrellis
GitHubGitHub - locationtech/geotrellis: GeoTrellis is a geographic data processing engine for high performance applications.GeoTrellis is a geographic data processing engine for high performance applications. - locationtech/geotrellis
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Eugene Alvin Villar 🇵🇭

Done mapping all 40 #barangays of Luna, La Union, #Philippines 🇵🇭 in #OpenStreetMap, creating their #Wikidata items, and linking the two with each other.

A huge thanks to JR Dizon of the Luna Municipal Planning and Development Office for the boundary data. 🙏

Wanna play around? Here is the Overpass Turbo query: overpass-turbo.eu/s/21s0

And here is the Wikidata Query Service (WDQS) query: w.wiki/DfYz

Previously: en.osm.town/@seav/114092122864

Screenshot of an Overpass Turbo query result map showing the boundaries and the node label positions of the 40 barangays of Luna, La Union, with the relation of Nalvo Norte selected showing its tags.
Screenshot of the Wikidata Query Service query results showing a table of the 40 barangays of Luna, La Union, along with some of their properties such as population, coordinates, PSGC (Philippine Standard Geographic Code), and OpenStreetMap relation ID.
Screenshot of the Wikidata Query Service query results switched to the bubble chart visualization depicting the relative population sizes of the 40 barangays of Luna, La Union.
#OpenData#LinkedOpenData#gischat
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