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feat: add Hong Kong Transport Department CCTV pack

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Fetch keyless DATA.GOV.HK camera locations at runtime and pin stills to
tdcctv.data.one.gov.hk with required attribution. Default cap 1,100 covers
the ~1,013-camera TD catalog, prioritized across Hong Kong Island, Kowloon
and the New Territories.

Co-authored-by: Cursor <[email protected]>
This commit is contained in:
JCY2515andCursor authored and Said Turksever committed 2026-10-20 14:40:01 +01:00
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commit 22c22d1876
10 files changed
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server/providers/cctv/constants.js
+30
View File
@@ -309,6 +309,36 @@ export const CATALONIA_ANCHORS = [
{ lat: 41.5636, lon: 2.0111 }, // Terrassa
];
/** Hong Kong Transport Department traffic snapshot cameras: keyless English
* locations XML on DATA.GOV.HK; frames are stills on the TD CCTV host. */
export const DEFAULT_HK_CAMERAS_URL =
'https://static.data.gov.hk/td/traffic-snapshot-images/code/Traffic_Camera_Locations_En.xml';
/** The only origin HK camera frames may come from. Verified 2026-10-11: still
* URLs answer 200 on this host with no redirect hop. */
export const HK_IMAGE_ORIGIN = 'https://tdcctv.data.one.gov.hk/';
/** Above the full TD English catalog (~1,013 cameras) so a default install
* keeps nearly all of them. Catalog-wide round-robin still applies when the
* sum of packs exceeds DEFAULT_CCTV_MAX_SOURCES (Norway-style). */
export const DEFAULT_HK_MAX_SOURCES = 1100;
/** Prioritization anchors across Hong Kong Island, Kowloon and the New
* Territories so a lowered cap keeps territory-wide coverage rather than
* only the harbour corridor. */
export const HK_ANCHORS = [
{ lat: 22.2819, lon: 114.158 }, // Central
{ lat: 22.2976, lon: 114.1722 }, // Tsim Sha Tsui
{ lat: 22.3827, lon: 114.19 }, // Sha Tin
{ lat: 22.3701, lon: 114.114 }, // Tsuen Wan
{ lat: 22.4503, lon: 114.1688 }, // Tai Po
{ lat: 22.493, lon: 114.139 }, // Fanling
{ lat: 22.391, lon: 113.977 }, // Tuen Mun
{ lat: 22.4445, lon: 114.022 }, // Yuen Long
{ lat: 22.307, lon: 114.26 }, // Tseung Kwan O
];
/** Hard ceiling on the locations XML body. The live English list is ~400 KB
* for ~1,000 cameras; this only exists so an unbounded upstream cannot be
* buffered without limit. */
export const HK_MAX_CATALOG_BYTES = 4 * 1024 * 1024;
/** Statens vegvesen (Norway) road cameras: the keyless OGC API Features view
* of the official DATEX 3.1 CCTV site table, one GeoJSON request for the whole
* country (~900 cameras). The raw DATEX node needs an account; this view does