docs(cctv): describe the ground-height data plainly (#443)

Follow-up to #433.
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Bilawal Sidhu authored and GitHub committed 2026-09-13 21:54:29 -05:00
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@@ -10,8 +10,8 @@ export const DEFAULT_GROUND_HEIGHTS_FILE =
let _cache = null;
/**
* Load the precomputed ground-height sidecar (Google mesh heights under each
* camera's mount and monitor-plane support points). Cached by file mtime so a
* Load the precomputed ground-height sidecar (heights under each camera's mount
* and monitor-plane support points, aligned to the Google 3D Tiles surface). Cached by file mtime so a
* catalog refresh re-reads only when the file changed. Missing or malformed
* files mean "no shipped heights", never an error.
* @param {string} sourceRoot