docs(analyst): describe region resolution as current state

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Sameh Khamis committed 2026-10-20 09:48:49 -07:00
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- Require a geocoded containment anchor for ambiguous analyst region names, preserve boundary provenance and cancellation safety, and retain exact-name precedence for natural outlines (manjunath22466, #1235). - Require a geocoded containment anchor for ambiguous analyst region names,
preserve boundary provenance and cancellation safety, and retain exact-name
precedence for natural outlines (manjunath22466, #1235).
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# God's Eye View Current State # God's Eye View Current State
Analyst region queries retain the existing offline lookup for unique Natural Analyst region queries resolve unique Natural Earth names offline without
Earth names without geocoding: Gold Coast and Ivory Coast still name the West geocoding, so Gold Coast and Ivory Coast name the West African natural regions.
African natural regions. Duplicate names require a geocoded containment anchor. Duplicate names require a geocoded containment anchor; when several entries for
When multiple entries for the same name contain that anchor, the lookup now stays the same name contain that anchor, the lookup stays unresolved rather than
unresolved instead of selecting the largest entry. Natural outlines try exact selecting the largest entry. Natural outlines try exact names before aliases and
names before aliases and broader suffix variants. Follow-ups retain boundary provenance, and broader suffix variants. Follow-ups retain boundary provenance, and cancelled
cancelled lookups preserve the previous analyst cohort and boundary source. lookups preserve the previous analyst cohort and boundary source. Navigation
Navigation keeps main's existing successful-geocode precedence; this change adds search keeps a successful geocode, with no search or view-based region recovery.
no search or view-based annotation recovery.
Shared distance checks use `src/geoDistance.js` with `{ lat, lon }` points and Shared distance checks use `src/geoDistance.js` with `{ lat, lon }` points and
the IUGG mean spherical Earth radius, 6371.0088 km. `greatCircleKm` is the IUGG mean spherical Earth radius, 6371.0088 km. `greatCircleKm` is