Static cartographic files used on finv.earth.
This repository stores lightweight map assets, vector tiles and related files used to publish interactive cartographic visualisations on the fiñv website.
PMTiles vector tile archive used for the interactive fiñv map comparing the French clay shrink-swell exposure classification between the 2020 and 2026 RGA maps, at commune and municipal arrondissement scale.
Related article:
- 2026 clay shrink-swell map: geology has not changed, risk has
- Carte RGA 2026 : la géologie n’a pas changé, le risque oui
This derived visualisation is based on public data from:
- BRGM
- Géorisques
- IGN ADMIN EXPRESS
The map is intended for territorial-scale visualisation and comparison. It does not replace the official regulatory RGA exposure map, local geotechnical expertise or parcel-scale soil studies.
Unless otherwise stated, the cartographic files in this repository are released under the Creative Commons Attribution 4.0 International license (CC BY 4.0).
Attribution:
fiñv — Nicolas Le Corvec — https://finv.earth
The files published here are derived cartographic products produced for visualisation and analysis purposes. They should not be used as legal, regulatory, insurance or geotechnical evidence without checking the official source data and applicable regulations.