John Snow Cholera Data(johnsnow.rtwilson.com)
5 points by surprisetalk | 2 comments
A dataset by Robin Wilson digitising John Snow's 1854 Broad Street cholera map, with death points, pump locations, and georeferenced maps for GIS software.
#gis on Hacker News
16 stories tagged gis, newest first.
Show HN: Unfenced – Land for sale that borders public land(unfenced.land)
294 points by otherwatersflow | 191 comments
Unfenced is a search site listing properties for sale that border public forest, game lands and wilderness, verified against official boundary maps.
QGIS enacts moratorium on AI contributions(github.com)
361 points by bwnkl | 391 comments
Merged GitHub pull request adding QGIS Enhancement Proposal 428, which changes the project's policy to forbid AI-generated contributions.
Georeferencing Chernarus and visiting in real life (2021)(longcreek.me)
23 points by carlos-menezes | 5 comments
Blog post explaining how to stitch map tiles, georeference the fictional DayZ/Arma map Chernarus in QGIS, and convert it to a Garmin KMZ for visiting the real area in Czechia.
MapLibre Tile: a modern and efficient vector tile format(maplibre.org)
406 points by todsacerdoti | 79 comments
MapLibre blog post announcing MapLibre Tile (MLT), a new modern and efficient vector tile format.
Open Infrastructure Map(openinframap.org)
414 points by efskap | 92 comments
Open Infrastructure Map is an interactive globe map showing power lines, telecoms, oil, gas and other infrastructure from OpenStreetMap data.
QGIS is a free, open-source, cross platform geographical information system(github.com)
545 points by rcarmo | 120 comments
GitHub repository for QGIS, a free, open-source, cross-platform geographical information system for Linux, Windows, and macOS.
DuckDB is probably the most important geospatial software of the last decade(dbreunig.com)
444 points by dbreunig | 139 comments
Blog post by Drew Breunig arguing that DuckDB's spatial extension has made geospatial data accessible to far more people than specialized GIS tools.
OpenStreetMap's New Vector Tiles(tech.marksblogg.com)
444 points by marklit | 142 comments
Mark Litwintschik's blog post examining OpenStreetMap's new vector tiles, which supplement its long-standing pre-rendered raster PNG tiles.
Mapping 20k ships that sank during WW II(storymaps.arcgis.com)
432 points by ohjeez | 181 comments
An Esri StoryMaps feature about one man's mission to map the more than 20,000 ships that sank during World War II and the stories behind them.
Every mountain, building and tree shadow in the world simulated for any time(shademap.app)
369 points by wfme | 109 comments
ShadeMap is an interactive web map that simulates shadows cast by terrain, buildings and trees worldwide for any chosen date and time.
Show HN: Every mountain, building and tree shadow mapped for any date and time(shademap.app)
648 points by tppiotrowski | 181 comments
ShadeMap is an interactive web map that simulates shadows from terrain, buildings, and trees for any location, date, and time.
Waterway Map(waterwaymap.org)
377 points by wcedmisten | 135 comments
WaterwayMap is an interactive map showing how waterways and canals are connected in OpenStreetMap data, with randomly colored connected river networks.
Placemark is going open source and shutting down(macwright.com)
546 points by Tomte | 128 comments
Tom MacWright's blog post announcing that Placemark, his bootstrapped mapping/GIS startup, is shutting down and releasing its code as open source.
Protomaps – A free and open source map of the world(protomaps.com)
909 points by rcarmo | 147 comments
Homepage of Protomaps, an open source map of the world deployable as a single static file on cloud storage.
There's a new map style on OpenStreetMap.org(en.osm.town)
396 points by gslin | 65 comments
Mastodon post from OpenStreetMap announcing the Tracestrack Topo map style on OpenStreetMap.org, a mix of osm-carto and OpenTopoMap with more tag support and i18n.