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Sameh Khamis 279aedb2f4 Draw aids to navigation as buoys

A buoy, beacon, RACON, light or IALA mark in the vessel feed was drawn
as a ship. A vessel record whose type names one, or whose MMSI is an
aid-to-navigation station's (99MIDxxxx), is now isAidToNavigation and
vesselModelSpec draws it as the fleet set's buoy of its mark (cardinal
N/E/S/W, port or starboard hand, safe water, isolated danger, special
mark; a red can when the type names no mark), at its built size and
flagged fixed so its model does not turn to a heading. Its icon is a
disc instead of a chevron.

AISStream now subscribes to AidsToNavigationReport by default, and the
server names each report's aid type code (0 to 31) as its kind instead
of reading it as a ship type.

2026-11-14 09:54:01 -08:00

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Bundled 3D Models

Every 3D model shipped in this directory is one of the project's procedural fleet models under fleet/: aircraft, helicopters, ships, buoys, transit and rail vehicles, and a few other airborne and ground objects. They are generated from code by the project maintainers, contain no third-party artwork, and are covered by the repository's MIT license like the source code.

Path	What it holds
`fleet/catalog.json`	Every model by name: its file, category, built length, beam and bounds (metres, in Cesium's Z-up model frame: x along the length with the nose toward −X, y across the beam, z up), the clearance below its origin, and its 2D icon class.
`fleet/types.json`	Which model draws which vehicle, and at what length: ICAO aircraft and helicopter type codes, ADS-B emitter categories, AIS ship-type and length ranges, GTFS route types, transit modes and rail categories, with the defaults.
`fleet/aircraft/`, `fleet/helicopters/`, `fleet/ships/`, `fleet/buoys/`, `fleet/transit/`, `fleet/other/`	The models, one GLB each (EXT_meshopt_compression and KHR_mesh_quantization, vertex colours, no textures).

How the layers use them:

Each layer draws a vehicle with the model its type selects, scaled to the type's published length (a vessel to its reported AIS length and beam), so every model is drawn life size. Ground objects, balloons and obstacles in the other category are drawn at the size they are built.
An aid to navigation (a vessel record whose type names a buoy, beacon, IALA mark, RACON or light, or whose MMSI is an aid station's 99MIDxxxx) is drawn as the buoys model of its mark (cardinal north, east, south or west, port or starboard hand, safe water, isolated danger, special mark), a red can when its type names no mark, at its built size and with no heading (vesselModelSpec, aidToNavigationModel).
An aircraft model's origin is its axis; it stands that model's scaled clearance above the ground. A ship's origin is its waterline, and a transit or rail vehicle's the road or rail top (a monorail or gondola is raised by its transit.elevation entry, for a source that names those modes).
Transit and rail models carry a _TINT vertex attribute that marks where the route or category colour is painted.
The whole set loads once, up front, when a layer that draws it starts; no model is fetched while a session runs.

src/data/fleetModels.js reads the set and chooses each vehicle's model; src/data/fleetModels.test.mjs checks that every model types.json names is in the catalog and on disk, and that no GLB exceeds 3 MB.

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Bundled 3D Models

2.6 KiB

Raw Blame History