feat: replace digitized flood zones with owner-traced polygons

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The 7 Chiang Mai inundation zones are now hand-traced by the project
owner against the real basemap (cnx_flood.geojson), replacing the
scan-digitized approximation and its georeferencing error entirely.
Features are ordered zone 7 -> 1 so the earlier-flooding (smaller)
zones render on top of the wider extents in Leaflet.

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grabowski

2026-08-10 17:12:23 +07:00

parent 4f12360960

commit a17509f3ea

1 changed files with 1 additions and 1 deletions

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src/static/flood-zones-p1.geojson

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