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feat(cctv): seven camera packs, semantic labels, terrain-clear monitor planes (#433)

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Seven contributed CCTV camera packs (Ontario 511, Fintraffic Finland, DriveBC, TxDOT Texas, Estonia Tallinn + Tarktee, Warendorf, Live Traffic NSW) on a fair per-pack catalog cap; semantic camera labels; monitor planes lifted clear of the terrain from a precomputed, bundled ground-height dataset. Default catalog 800 → 3,446 cameras. Full context in PR #433.

Co-authored-by: sendmebits <[email protected]>
Co-authored-by: avocadoAgent <[email protected]>
Co-authored-by: Alex Harvey <[email protected]>
Co-authored-by: Jason Meredith <[email protected]>
Co-authored-by: Daniel Smith <[email protected]>
Co-authored-by: Vladimir Sobolev <[email protected]>
Co-authored-by: Matthias Schneider <[email protected]>
Co-authored-by: Cyber Knight <[email protected]>
Co-authored-by: NovaSoft Australia <[email protected]>
This commit is contained in:
Bilawal SidhusendmebitsavocadoAgentAlex HarveyJason MeredithDaniel SmithVladimir SobolevMatthias SchneiderCyber KnightNovaSoft Australia
 authored and GitHub committed 2026-09-13 21:48:33 -05:00
1 parent 0272635f25
commit 12790b36c6
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server/providers/cctv/constants.js
+196 -3
View File
@@ -4,11 +4,103 @@ export const DEFAULT_AUSTIN_ROWS_URL =
'https://data.austintexas.gov/api/views/b4k4-adkb/rows.json?accessType=DOWNLOAD';
/** Default cap on Austin cameras after distance-based prioritization. */
export const DEFAULT_AUSTIN_MAX_SOURCES = 250;
/** Global cap on total CCTV sources served by the proxy. */
export const DEFAULT_CCTV_MAX_SOURCES = 900;
/**
* Catalog-wide safety ceiling on served cameras. Each pack already caps
* itself (nearest-to-anchor first); this bound only matters when the packs
* together exceed it, and it is then filled round-robin across packs (see
* cap.js) so no region is silently dropped. Sized above the sum of the
* default per-pack caps so a default install never trims.
*/
export const DEFAULT_CCTV_MAX_SOURCES = 4000;
/** Hard upper bound for CCTV_MAX_SOURCES; also sizes the health map. */
export const CCTV_MAX_SOURCES_CEILING = 5000;
/** Reference point for Austin camera prioritization (Congress & 6th). */
export const AUSTIN_DOWNTOWN = { lat: 30.2672, lon: -97.7431 };
/** Caltrans CCTV: one JSON feed per district, identical schema statewide. */
/** TxDOT ITS: one keyless JSON catalog per district (25 districts statewide). */
export const TXDOT_ORIGIN = 'https://its.txdot.gov';
export const TXDOT_CCTV_STATUS_URL = (district) =>
`${TXDOT_ORIGIN}/its/DistrictIts/GetCctvStatusListByDistrict?districtCode=${encodeURIComponent(district)}`;
/** Per-camera frame. Returns JSON `{snippet:<base64 jpeg>}`, not an image body;
* media.js decodes it (fetchTxdotSnapshot) and only for this origin. */
export const TXDOT_CCTV_SNAPSHOT_URL = `${TXDOT_ORIGIN}/its/DistrictIts/GetCctvSnapshotByIcdId`;
/** Valid TxDOT district codes (the ITS map's own districtCodes list). */
export const TXDOT_DISTRICTS = new Set([
'ABL',
'AMA',
'ATL',
'AUS',
'BMT',
'BWD',
'BRY',
'CHS',
'CRP',
'DAL',
'ELP',
'FTW',
'HOU',
'LRD',
'LBB',
'LFK',
'ODA',
'PAR',
'PHR',
'SJT',
'SAT',
'TYL',
'WAC',
'WFS',
'YKM',
]);
/** Districts fetched by default: Austin (the reference camera city) and San
* Antonio. A statewide default was rejected: per-pack prioritization is
* nearest-to-any-anchor, so Dallas's dense core would take most slots.
* CCTV_TXDOT_DISTRICTS opens up the rest ("AUS,SAT,HOU,DAL,FTW" for the five
* big metros, or any of the 25 codes). */
export const DEFAULT_TXDOT_DISTRICTS = 'AUS,SAT';
export const DEFAULT_TXDOT_MAX_SOURCES = 500;
/** Prioritization anchors: downtown cores of the metro districts a user can
* select. Cameras rank by distance to the NEAREST anchor, so a widened
* CCTV_TXDOT_DISTRICTS still ranks sensibly instead of against Austin alone. */
export const TXDOT_ANCHORS = [
{ lat: 30.2672, lon: -97.7431 }, // Austin
{ lat: 29.4241, lon: -98.4936 }, // San Antonio
{ lat: 29.7604, lon: -95.3698 }, // Houston
{ lat: 32.7767, lon: -96.797 }, // Dallas
{ lat: 32.7555, lon: -97.3308 }, // Fort Worth
];
/** Ground-elevation priors in metres, by district. The TxDOT payload carries
* no elevation, and on a keyless (no-tileset) stack the client's ground snap
* never fires, so this prior is the only height a camera gets there. Texas
* spans sea level (Houston) to ~1,140 m (El Paso). */
export const TXDOT_DISTRICT_ELEVATION_M = Object.freeze({
ABL: 520,
AMA: 1099,
ATL: 105,
AUS: 149,
BMT: 5,
BWD: 425,
BRY: 111,
CHS: 250,
CRP: 7,
DAL: 131,
ELP: 1140,
FTW: 199,
HOU: 15,
LRD: 132,
LBB: 992,
LFK: 91,
ODA: 890,
PAR: 185,
PHR: 30,
SJT: 585,
SAT: 198,
TYL: 165,
WAC: 143,
WFS: 289,
YKM: 70,
});
export const TXDOT_DEFAULT_ELEVATION_M = 150;
export const CALTRANS_CCTV_URL = (district) =>
`https://cwwp2.dot.ca.gov/data/d${district}/cctv/cctvStatusD${String(district).padStart(2, '0')}.json`;
/** Districts fetched by default: SF Bay (4), LA (7), San Diego (11), Sacramento (3). */
@@ -27,7 +119,108 @@ export const TFL_IMAGE_ORIGIN =
'https://s3-eu-west-1.amazonaws.com/jamcams.tfl.gov.uk/';
export const DEFAULT_TFL_MAX_SOURCES = 250;
export const LONDON_CENTER = { lat: 51.5074, lon: -0.1278 };
/** Camera CATALOGS change rarely; 15 min keeps multi-megabyte upstream list refetches (Austin rows.json + 4 Caltrans districts + TfL) infrequent. Frames are fetched per-request and are unaffected. */
/** Ontario 511: keyless CARS/511 camera catalog; frame URLs are still images. */
export const ONTARIO_511_CAMERAS_URL =
'https://511on.ca/api/v2/get/cameras?format=json&lang=en';
export const ONTARIO_511_IMAGE_ORIGIN = 'https://511on.ca/map/Cctv/';
export const DEFAULT_ONTARIO_MAX_SOURCES = 1000;
export const ONTARIO_ANCHORS = [
{ lat: 43.4516, lon: -80.4925 }, // Kitchener
{ lat: 43.6532, lon: -79.3832 }, // Toronto
{ lat: 45.4215, lon: -75.6972 }, // Ottawa
{ lat: 43.2557, lon: -79.8711 }, // Hamilton
{ lat: 42.9849, lon: -81.2453 }, // London, Ontario
{ lat: 42.3149, lon: -83.0364 }, // Windsor
];
/** Fintraffic road weather cameras (Digitraffic): one keyless GeoJSON list
* covering all of Finland. Each STATION carries N presets (fixed camera views)
* that share the station position; one preset is one camera here. */
export const FINTRAFFIC_STATIONS_URL =
'https://tie.digitraffic.fi/api/weathercam/v1/stations';
/** Frames: `<origin><presetId>.jpg`. Preset ids are synthesized into this
* origin rather than read from the payload, so no upstream field can steer the
* frame proxy off-host. */
export const FINTRAFFIC_IMAGE_ORIGIN = 'https://weathercam.digitraffic.fi/';
/** Digitraffic asks every client to identify itself on API calls. */
export const DIGITRAFFIC_USER = 'gods-eye-view';
export const DEFAULT_FINTRAFFIC_MAX_SOURCES = 300;
/** Ground-elevation prior, in metres, for stations that report no altitude.
* 228 of 809 stations carry a real metre value (median 94 m); the rest report
* 0, which means "not reported" rather than sea level — Kouvola (~80 m of real
* elevation) reports 0. The observed median stands in for those. */
export const FINTRAFFIC_GROUND_ELEVATION_M = 90;
/** Prioritization anchors: the population centres strung along Finland's main
* road spine (vt1 Turku, vt3 Tampere, vt4 Jyväskylä–Oulu–Rovaniemi, vt5
* Kuopio), so a cap keeps national coverage rather than just the capital. */
export const FINLAND_ANCHORS = [
{ lat: 60.1699, lon: 24.9384 }, // Helsinki
{ lat: 60.4518, lon: 22.2666 }, // Turku
{ lat: 61.4978, lon: 23.761 }, // Tampere
{ lat: 62.2426, lon: 25.7473 }, // Jyväskylä
{ lat: 62.8924, lon: 27.677 }, // Kuopio
{ lat: 65.0121, lon: 25.4651 }, // Oulu
{ lat: 66.5039, lon: 25.7294 }, // Rovaniemi
];
/** Global cap on total CCTV sources served by the proxy: the default per-pack
* caps summed (Austin 250 + Caltrans 300 + TfL 250 + DriveBC 250). */
/** DriveBC highway cameras (British Columbia): the keyless camera list served by
* the DriveBC.ca site (github.com/bcgov/DriveBC.ca). The DataBC HighwayCams CSV
* lists the same cameras but still carries retired images.drivebc.ca frame URLs,
* so frames are built from the numeric camera id on the current image host. */
export const DRIVEBC_WEBCAMS_URL = 'https://www.drivebc.ca/api/webcams/';
export const DRIVEBC_IMAGE_URL = (id) =>
`https://www.drivebc.ca/images/${id}.jpg`;
export const DEFAULT_DRIVEBC_MAX_SOURCES = 250;
/** Prioritization anchors: downtown Vancouver and Victoria. */
export const DRIVEBC_ANCHORS = [
{ lat: 49.2827, lon: -123.1207 }, // Vancouver
{ lat: 48.4284, lon: -123.3656 }, // Victoria
];
/** Tallinn intersection cameras: curated catalog + public stills on ristmikud.tallinn.ee. */
export const DEFAULT_TALLINN_SOURCE_FILE = 'config/cctv_sources.tallinn.json';
export const DEFAULT_TALLINN_MAX_SOURCES = 255;
export const TALLINN_IMAGE_ORIGIN = 'https://ristmikud.tallinn.ee/';
export const TALLINN_CENTER = { lat: 59.437, lon: 24.753 };
/** Transpordiamet / Tarktee road-weather cameras: keyless DATEX2 feeds. */
export const TARKTEE_LOCATIONS_URL =
'https://tarktee.transpordiamet.ee/api/v1/datex/roadCameraLocations';
export const TARKTEE_IMAGES_URL =
'https://tarktee.transpordiamet.ee/api/v1/datex/roadCameraImages';
export const TARKTEE_IMAGE_ORIGIN = 'https://tarktee.transpordiamet.ee/images/';
export const DEFAULT_TARKTEE_MAX_SOURCES = 179;
export const TARKTEE_ANCHORS = [
{ lat: 59.437, lon: 24.753 }, // Tallinn
{ lat: 58.378, lon: 26.729 }, // Tartu
{ lat: 58.3859, lon: 24.4971 }, // Pärnu
{ lat: 59.3797, lon: 28.1791 }, // Narva
];
/** Warendorf (Germany): the Marktplatz municipal webcam from a curated catalog file. */
export const DEFAULT_WARENDORF_SOURCE_FILE =
'config/cctv_sources.warendorf.json';
export const WARENDORF_IMAGE_ORIGINS = Object.freeze([
'http://webcam.warendorf.de/',
'https://www.kreis-warendorf.de/',
]);
/** Live Traffic NSW (Transport for NSW): keyless public camera catalog. */
export const NSW_CAMERAS_URL =
'https://data.livetraffic.com/cameras/traffic-cam.json';
export const NSW_IMAGE_ORIGIN = 'https://webcams.transport.nsw.gov.au/';
export const DEFAULT_NSW_MAX_SOURCES = 250;
export const SYDNEY_CENTER = { lat: -33.8688, lon: 151.2093 };
/**
* The NSW webcam host answers non-browser clients with HTTP 200 and a short
* HTML body instead of the frame (verified 2026-09-13), so the proxy
* identifies as a browser for that one host. See media.js.
*/
export const NSW_IMAGE_USER_AGENT =
'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 Safari/537.36';
/**
* Longest NSW `view` sentence still usable as a label. NSW occasionally
* repurposes `view` for a multi-paragraph works notice; real descriptions top
* out around 120 characters.
*/
export const NSW_MAX_VIEW_LABEL = 140;
/** Camera CATALOGS change rarely; 15 min keeps multi-megabyte upstream list refetches (Austin rows.json + 4 Caltrans districts + TfL + Ontario 511) infrequent. Frames are fetched per-request and are unaffected. */
export const CCTV_SOURCE_CACHE_MS = 15 * 60 * 1000;
/** Per-provider catalog-fetch timeout. Bounds the worst-case refresh so one
* stalled upstream can't leave getCctvSources (and thus every CCTV route)