keligrubb
bb01e9a06c
## Summary - **ADS-B & AIS:** OpenSky and AISStream OSINT feeds upsert into the CoT store; tactical tracks still arrive via adsbcot/aiscot on `:8089`. Map clients subscribe via `GET /api/cot/stream` (SSE) with viewport bbox filtering and Air / Surface / Team layer toggles. - **ALPR (Flock/OSM):** Toggleable license-plate reader layer sourced from OpenStreetMap, with SQLite cache, Overpass fallback, tiled viewport fetching, and clustered markers with direction cones. - **Map performance:** Ring-based tile selection (fixes zoom-out crash), immutable tile cache, incremental marker sync, split cluster load/query, and padded SSE bbox to reduce reconnect churn. ## Docs - `docs/tracking.md` — ADS-B/AIS accuracy tiers, freshness, self-hosted receivers, optional OSINT API keys - `docs/map-and-cameras.md` — ALPR layer and map behavior updates --------- Co-authored-by: Madison Grubb <madison@elastiflow.com> Reviewed-on: #36
32 lines
875 B
JavaScript
32 lines
875 B
JavaScript
import Supercluster from 'supercluster'
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export function createClusterIndex(options = {}) {
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const index = new Supercluster(options)
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const state = { features: Object.freeze([]) }
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return {
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load(features) {
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const list = Object.freeze([...(features ?? [])])
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index.load(list)
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state.features = list
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},
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query(view) {
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if (!view || state.features.length === 0) return []
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const { west, south, east, north, zoom } = view
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return index.getClusters(
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[west, south, east, north],
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Math.floor(zoom ?? 14),
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).map((feature) => {
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if (!feature.properties?.cluster) return feature
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return {
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...feature,
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properties: {
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...feature.properties,
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expansionZoom: index.getClusterExpansionZoom(feature.properties.cluster_id),
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},
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}
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})
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},
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}
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}
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