Class WorkerBasedTiler

Tiler based on ConcurrentWorkerSet.

Tiles payloads using workers running in separate contexts (also known as WebWorkers):

connection establishment,
sends tile requests,
configuration.

Hierarchy

WorkerBasedTiler

Implements

ITiler

Index

Constructors

constructor

Methods

Constructors

constructor

new WorkerBasedTiler(workerSet: ConcurrentWorkerSet, tilerServiceType: string): WorkerBasedTiler

- Defined in @here/harp-mapview/lib/WorkerBasedTiler.ts:33
Creates a new WorkerBasedTiler.

Parameters
- workerSet: ConcurrentWorkerSet
  
  ConcurrentWorkerSet this tiler will live in.
- tilerServiceType: string
  
  Service type identifier.
Returns WorkerBasedTiler

Methods

connect

connect(): Promise<void>

Implementation of ITiler.connect
- Defined in @here/harp-mapview/lib/WorkerBasedTiler.ts:72
Connects to WorkerServiceManagers in underlying ConcurrentWorkerSet and creates dedicated TilerServices in all workers to serve tiling requests.

Returns Promise<void>

dispose

dispose(): void

Implementation of ITiler.dispose
- Defined in @here/harp-mapview/lib/WorkerBasedTiler.ts:53
Dispose of dedicated tiler services in workers and remove reference to underlying ConcurrentWorkerSet.

Returns void

getTile

getTile(indexId: string, tileKey: TileKey): Promise<{}>

Implementation of ITiler.getTile
- Defined in @here/harp-mapview/lib/WorkerBasedTiler.ts:126
Retrieves a tile for a previously registered index.

Parameters
- indexId: string
  
  Index identifier.
- tileKey: TileKey
  
  The {@link @here/harp-geoutils#TileKey} that identifies the tile.
Returns Promise<{}>

registerIndex

registerIndex(indexId: string, input: URL | GeoJson): Promise<void>

Implementation of ITiler.registerIndex
- Defined in @here/harp-mapview/lib/WorkerBasedTiler.ts:95
Register index in the tiler. Indexes registered in the tiler can be later used to retrieved tiled payloads using getTile.

Parameters
- indexId: string
  
  Index identifier.
- input: URL | GeoJson
  
  Url to the index payload, or direct GeoJSON.
Returns Promise<void>

updateIndex

updateIndex(indexId: string, input: URL | GeoJson): Promise<void>

Implementation of ITiler.updateIndex
- Defined in @here/harp-mapview/lib/WorkerBasedTiler.ts:111
Update index in the tiler. Indexes registered in the tiler can be later used to retrieved tiled payloads using getTile.

Parameters
- indexId: string
  
  Index identifier.
- input: URL | GeoJson
  
  Url to the index payload, or direct GeoJSON.
Returns Promise<void>

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