New "Weather radar" toggle in /map's control panel (mobile + desktop)
layers an ECCC GeoMet WMS composite dBZ mosaic over the propagation
heatmap. The Radar_1km_dBZ-Extrapolation layer covers CONUS + Canada at
1 km resolution, updated every ~6 minutes. Tiles are lazy-created on
first toggle so visitors who never open the panel never hit the WMS
service. Refresh is driven by a setInterval that calls setParams with a
cache-busting timestamp, matching ECCC's publish cadence.
Rain-scatter display (NEXRAD cell markers + "Rain Scatter" section in
the point-detail panel) is disabled for now. The live radar overlay
answers "is there rain near this point?" more directly, and the scatter
propagation feature needs more work before it's useful. The Elixir
start_async, handle_async, and fetch_rain_scatter helpers are removed.
The JS drawScatterMarkers / buildScatterBlock paths remain as harmless
dead code since they're guarded by a `rain_scatter` field the server no
longer sends — easy to re-enable later by restoring the payload key.
- Forecast hour clicks showed only a small square of coverage because
:preload_forecast ran at mount using a hardcoded fallback bounding box
instead of the client's actual viewport. Move the preload trigger into
handle_event("map_bounds", ...) so the cache always matches the
viewport the client just asked about.
- Map overlay blinked on load/update because renderScores called Leaflet
GridLayer.redraw(), which removes every tile element before recreating
them. Repaint the existing tile canvases in place instead.
- Prod SMTP to mail.smtp2go.com was failing with an "unexpected_message"
TLS alert: gen_smtp wasn't sending SNI so the wildcard cert endpoint
rejected the handshake. Set tls: :always with explicit tls_options
(server_name_indication, versions, verify).
- Add contacts_inserted_at_desc_id_desc_idx so /contacts list runs as an
Index Scan (~0.4ms) instead of a Seq Scan + top-N heapsort (~77ms on
58k rows)
- Add Microwaveprop.Cache: tiny ETS-backed TTL cache for memoizing
expensive-but-stale-tolerant values
- Cache total_entries for unsearched /contacts page loads (30s TTL,
invalidated on insert)
- Cache the entire /contacts/map payload (pre-encoded JSON + band list),
moving load_contacts into Radio.contact_map_payload; invalidated on
new contact insert. Mount goes from ~150-300ms to ~5ms.
- Fix /map overlay blinking on load: reuse the Leaflet GridLayer across
renderScores calls and just redraw() against the updated ScoreGrid,
instead of removeLayer + new layer which flashed between tile regens
- Make mode optional on submission: schema change (null: true),
submission_changeset no longer requires it, blank strings normalise to
nil, CSV import accepts 6-column (no mode) or 7-column layouts
- core_components .input adds a red asterisk to labels when required,
giving users a visual cue for which fields must be filled on /submit
- ScoreCache stores {band, valid_time} as %{{lat, lon} => score} map so
point lookups are O(1); adds fetch_point/4 and valid_times/1
- available_valid_times/1 reads directly from ScoreCache when warm,
falls back to DB on cold start
- point_forecast/3 iterates cached valid_times and uses fetch_point/4
instead of hitting the DB per click
- NexradCache: node-local ETS cache of decoded n0q PNG pixel buffers
keyed by 5-minute rounded timestamp; skips ~1-5s HTTP+decode on
concurrent/repeat clicks within the same window
- MapLive: start_async the rain_scatter fetch so point_detail renders
immediately with a pending marker; push rain_scatter_update when
NEXRAD resolves
- MapLive: preload all 18 remaining forecast hours for the current
viewport after mount/band change/propagation_updated; client caches
them and renders timeline scrubs instantly without a server roundtrip.
Adds set_selected_time event for fast-path state sync.
- Propagation map JS: forecastCache map + drawScatterMarkers helper,
timeline click uses preloaded cache when available
- Add ScoreCache GenServer with node-local ETS table keyed by
{band, valid_time}, subscribed to "propagation:cache" PubSub topic so
every pod stays in sync with a single hourly compute
- scores_at/3 checks cache first, falls back to DB and populates on miss
- PropagationGridWorker warms and broadcasts the cache for each band
after every forecast hour upsert; prunes >2h old entries
- Replace per-pixel string-keyed Map with flat Int8Array over the CONUS
grid in propagation_map_hook.ts to eliminate allocations in the tile
rasterization hot loop (interpolateScore / propagationReach)
- Show subsquares (5' x 2.5') at zoom >= 11 with lighter styling
- Pad map bounds by 10% so edge tiles always have score data
- Re-send bounds after 500ms to catch late container layout changes
- Rename all .js files to .ts in assets/js/
- Add interfaces for hook state, data structures, and event payloads
- Add type annotations to function parameters and return types
- Create type declarations for vendor deps (Leaflet, Chart.js, Phoenix, topbar)
- Update tsconfig.json for strict TypeScript checking
- Update esbuild entry point to app.ts
2026-04-11 16:59:28 -05:00
Renamed from assets/js/propagation_map_hook.js (Browse further)
