GEO TOKYO
MEETUP#6

WED, APR 1 · 18:00 FabCafe Tokyo

Geo Tokyo Spring 2026

when: Wed, Apr 1 2026
18:00 – 20:00
where: FabCafe Tokyo
Shibuya, Tokyo
hosts: Alastair Tse, Shane Reustle, Quentin Siutkowski
luma: luma.com/r4k3o638

After a three year hiatus, we're back. A casual meetup of mapping enthusiasts in Tokyo, beautiful data visualisations, GIS tech, cool map based projects, and demos from anyone working on map related tech.

Schedule

17:30 Doors open

18:00 Discuss and demo interesting projects from Tokyo and globally

18:30 Round table: what people are building, demos, and what you want from future meetups

19:00 Networking

20:00 Doors close

Notes

Hosted by FabCafe, so please buy at least one drink when you arrive.

Full list of maps we discussed.

Projects presented

earth — Cameron Beccario earth.nullschool.net Animated global map of wind, weather, ocean and pollution conditions.SewaYou sewayou.com Find international and Japanese friends nearby on a live map.TokyoTerrain docs.google.com Wait-list for TokyoTerrain.com.EarthquakesJapan.com — Shane Reustle earthquakesjapan.com Live Japan earthquake monitor in English.MapScroll mapscroll.ai A map that knows the best for you.

Map links discussed all map links →

1950年の日本の鉄道 (Japan's railways in 1950) — Kumoy example map of Japan's 1950 rail network, built from 国土数値情報 railway time-series data. historical · transit · japan · app.kumoy.io app.kumoy.io

a-gent.tokyo

A-GENT Tokyo illustrated maps — Custom illustrated maps of Japan and other places. illustration · japan · a-gent.tokyo a-gent.tokyo

cartosvg.com

CartoSVG — Packages maps as SVG so they can be styled and manipulated with CSS. tool · cartosvg.com cartosvg.com

EmoRoute — A 'feel' map that turns public transport journeys in Tokyo into a travel story, with 3D trains. transit · 3d · japan · emoroute.com emoroute.com

Geolonia 住所データ — Open dataset of every Japanese address with coordinates, maintained on GitHub. dataset · api · japan · github.com github.com

maps.gsi.go.jp

GSI Tiles (地理院タイル) — The Geospatial Information Authority of Japan’s basemap, relief and photo tiles. basemap · dataset · japan · maps.gsi.go.jp maps.gsi.go.jp

G空間情報センター (G-Spatial Information Center) — Japan's hub for distributing geospatial data from government, industry and academia. dataset · japan · front.geospatial.jp front.geospatial.jp

Kumoy — Japanese cloud service for QGIS: share GIS data with your team and publish QGIS maps on the web. tool · japan · kumoy.io kumoy.io

Larch and hiba forests at a glance — @forestgeoinfo on spotting larch in Hokkaido, Iwate and Nagano and hiba in Aomori and Ishikawa using the forest mesh tiles. visualization · dataset · japan · x.com x.com

LINKS SOMA 空き家推定システム (vacant house estimator) — Project LINKS desktop app that estimates which buildings are likely vacant from municipal data and PLATEAU, shown on a map dashboard. tool · japan · github.com github.com

LINKS Veda — Project LINKS prototype that uses LLMs and OCR to turn paper, PDF and Word government records into structured data, with no-code tools. tool · japan · github.com github.com

Locanea sample area report — Example of a Locanea location analysis report. visualization · japan · locanea.com locanea.com

Locanea（ロカネア） — Real estate location analysis: surroundings, transit access, disaster risk and zoning on a map, for the Tokyo area. visualization · tool · japan · locanea.com locanea.com

mrdoob: geospatial volumetric clouds — mrdoob shows off the new three.js example with @shotamatsuda's geospatial volumetric clouds. 3d · visualization · x.com x.com

neocarto.github.io

NeoCarto: Observable Notebooks 2.0 experiments — Tools and experiments for visualising geo data in JavaScript with Observable Notebooks 2.0. tool · visualization · neocarto.github.io neocarto.github.io

Overture Maps Foundation — Linux Foundation project publishing open map data built largely on OSM plus data donated by member companies. dataset · basemap · overturemaps.org overturemaps.org

Paper Trails (Present & Correct blog) — Present & Correct on the fifty early 20th-century pre-war Japanese tourist maps they found in Tokyo and made into a book. historical · illustration · japan · presentandcorrect.com presentandcorrect.com

Project LINKS — MLIT's cross-sector project to build, use and open up data across land, infrastructure and transport. dataset · japan · mlit.go.jp mlit.go.jp

ShadeMap — Simulates every mountain, building and tree shadow on Earth for any date and time. 3d · visualization · shademap.app shademap.app

threejs.org

three.js 3D Tiles example — three.js example rendering Google Photorealistic 3D Tiles in the browser. 3d · tool · threejs.org threejs.org

three.js PR: volumetric clouds for 3D Tiles — Adds volumetric clouds and atmosphere to the three.js 3D Tiles example, using takram's three-atmosphere and three-clouds. 3d · tool · github.com github.com

triangle-buildings.web.app

とんがりたてものマップ (Triangle buildings map) — Every triangle-shaped building in Japan, found in OpenStreetMap data. visualization · japan · triangle-buildings.web.app triangle-buildings.web.app

まちの計量舎: Kichijoji vs Mitaka — @machi_measure maps where business names use 'Kichijoji' or 'Mitaka' to show the shape of each machi. visualization · japan · x.com x.com

geospatial.jp

全国森林資源メッシュマップタイル (Forest resource mesh map tiles) — Forestry Agency data on Japan's forest resources in 20m mesh cells, published as map tiles. dataset · japan · geospatial.jp geospatial.jp

東京都デジタルツイン3Dビューア (Tokyo Digital Twin 3D Viewer) — Tokyo Metropolitan Government's web viewer layering open data over 3D city models of Tokyo. 3d · dataset · japan · 3dview.tokyo-digitaltwin.metro.tokyo.lg.jp 3dview.tokyo-digitaltwin.metro.tokyo.lg.jp

炭鉄港3Dマップ (Tantekko 3D map) — 3D models of Hokkaido's coal, steel and port heritage sites on Re:Earth, overlaid with PLATEAU hazard zones. 3d · historical · japan · x.com x.com