diff --git a/changelog.d/1396-local-adsb-track-north.md b/changelog.d/1396-local-adsb-track-north.md new file mode 100644 index 000000000..9235a19a3 --- /dev/null +++ b/changelog.d/1396-local-adsb-track-north.md @@ -0,0 +1,3 @@ +- Show a locally heard aircraft tracking 359.5° or more as TRK 0°. The Local + ADS-B card rounded the track without wrapping, so 359.7° read "TRK 360°" + (Rudy Celekli, @rudycelekli, #1396). diff --git a/docs/CURRENT-STATE.md b/docs/CURRENT-STATE.md index b15babbb2..921604789 100644 --- a/docs/CURRENT-STATE.md +++ b/docs/CURRENT-STATE.md @@ -5994,6 +5994,8 @@ callsign, class and category, adsbdb operator/type and a plausible route when known, altitude, ground speed, track, vertical rate, position age, message count, "Heard by your receiver"); markers are not camera-followed. Positioned aircraft join detection boxes, labelled only with a decoded callsign. +The card's `TRK` label wraps after rounding to whole degrees, so a track of +359.5° displays as `TRK 0°` rather than `TRK 360°`. Receivers publish one record shape from `src/sources/adsbRecords.js` (`icao`, `callsign`, `category`, `onGround`, `lat`, `lon`, `altitudeFt`, diff --git a/src/layers/localAdsb/card.js b/src/layers/localAdsb/card.js index 1b0122925..c1c923a8c 100644 --- a/src/layers/localAdsb/card.js +++ b/src/layers/localAdsb/card.js @@ -152,7 +152,7 @@ export function localAdsbCardModel( t('ALT {altitude} FT · GS {speed} KT · TRK {track}', { altitude: grouped(altitude), speed: speed === null ? DASH : speed, - track: track === null ? DASH : `${track}°`, + track: track === null ? DASH : `${track % 360}°`, }), vertical === null ? t('V/S {rate}', { rate: DASH }) diff --git a/src/layers/localAdsb/card.test.mjs b/src/layers/localAdsb/card.test.mjs new file mode 100644 index 000000000..ec53024da --- /dev/null +++ b/src/layers/localAdsb/card.test.mjs @@ -0,0 +1,19 @@ +import test from 'node:test'; +import assert from 'node:assert/strict'; +import { setLocale } from '../../i18n/index.js'; +import { localAdsbCardModel } from './card.js'; + +test('a track of 359.7° reads TRK 0°, not TRK 360°', () => { + setLocale('en'); + const { details } = localAdsbCardModel( + { + icao: 'abc123', + altitudeFt: 12500, + groundSpeedKt: 240, + trackDeg: 359.7, + lastPositionAt: 1000, + }, + 5000, + ); + assert.equal(details[1], 'ALT 12,500 FT · GS 240 KT · TRK 0°'); +});