Class: TileSource

ol/source/Tile~TileSource 


import TileSource from 'ol/source/Tile.js';

Abstract base class; normally only used for creating subclasses and not instantiated in apps. Base class for sources providing images divided into a tile grid.

new TileSource(options)

source/Tile.js, line 53
Name Type Description
attributions AttributionLike | undefined

Attributions.
attributionsCollapsible boolean (defaults to true)

Attributions are collapsible.
cacheSize number | undefined

CacheSize.
opaque boolean (defaults to false)

Whether the layer is opaque.
tilePixelRatio number | undefined

TilePixelRatio.
projection ProjectionLike | undefined

Projection.
state State | undefined

State.
tileGrid TileGrid | undefined

TileGrid.
wrapX boolean (defaults to false)

WrapX.
transition number | undefined

Transition.
key string | undefined

Key.
zDirection number | NearestDirectionFunction (defaults to 0)

ZDirection.
interpolate boolean (defaults to false)

Use interpolated values when resampling. By default, the nearest neighbor is used when resampling.
Fires:

Subclasses

Extends

Methods

changed() inherited

Observable.js, line 68

Increases the revision counter and dispatches a 'change' event.

clear()

source/Tile.js, line 344

Remove all cached tiles from the source. The next render cycle will fetch new tiles.

dispatchEvent(event){boolean | undefined} inherited

events/Target.js, line 85

Dispatches an event and calls all listeners listening for events of this type. The event parameter can either be a string or an Object with a type property.

Name Type Description
event BaseEvent | string

Event object.
Returns:
false if anyone called preventDefault on the event object or if any of the listeners returned false.

get(key){*} inherited

Object.js, line 135

Gets a value.

Name Type Description
key string

Key name.
Returns:
Value.

getAttributions(){Attribution} inherited

source/Source.js, line 132

Get the attribution function for the source.

Returns:
Attribution function.

getAttributionsCollapsible(){boolean} inherited

source/Source.js, line 140
Returns:
Attributions are collapsible.

getKeys(){Array.<string>} inherited

Object.js, line 148

Get a list of object property names.

Returns:
List of property names.

getProjection(){Projection | null} inherited

source/Source.js, line 149

Get the projection of the source.

Returns:
Projection.

getProperties(){Object.<string, *>} inherited

Object.js, line 157

Get an object of all property names and values.

Returns:
Object.

getRevision(){number} inherited

Observable.js, line 79

Get the version number for this object. Each time the object is modified, its version number will be incremented.

Returns:
Revision.

getState(){State} inherited

source/Source.js, line 173

Get the state of the source, see State for possible states.

Returns:
State.

getTileGrid(){TileGrid | null}

source/Tile.js, line 266

Return the tile grid of the tile source.

Returns:
Tile grid.

on(type, listener){EventsKey | Array<EventsKey>} inherited

Observable.js, line 152

Listen for a certain type of event.

Name Type Description
type string | Array.<string>

The event type or array of event types.
listener function

The listener function.
Returns:
Unique key for the listener. If called with an array of event types as the first argument, the return will be an array of keys.

once(type, listener){EventsKey | Array<EventsKey>} inherited

Observable.js, line 164

Listen once for a certain type of event.

Name Type Description
type string | Array.<string>

The event type or array of event types.
listener function

The listener function.
Returns:
Unique key for the listener. If called with an array of event types as the first argument, the return will be an array of keys.

refresh() inherited

source/Source.js, line 195

Refreshes the source. The source will be cleared, and data from the server will be reloaded.

set(key, value, silent) inherited

Object.js, line 207

Sets a value.

Name Type Description
key string

Key name.
value *

Value.
silent boolean | undefined

Update without triggering an event.

setAttributions(attributions) inherited

source/Source.js, line 206

Set the attributions of the source.

Name Type Description
attributions AttributionLike | undefined

Attributions. Can be passed as string, Array<string>, Attribution, or undefined.

setProperties(values, silent) inherited

Object.js, line 227

Sets a collection of key-value pairs. Note that this changes any existing properties and adds new ones (it does not remove any existing properties).

Name Type Description
values Object.<string, *>

Values.
silent boolean | undefined

Update without triggering an event.

un(type, listener) inherited

Observable.js, line 173

Unlisten for a certain type of event.

Name Type Description
type string | Array.<string>

The event type or array of event types.
listener function

The listener function.

unset(key, silent) inherited

Object.js, line 251

Unsets a property.

Name Type Description
key string

Key name.
silent boolean | undefined

Unset without triggering an event.