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)

Name Type Description
attributions AttributionLike | undefined

Attributions.

attributionsCollapsible boolean (defaults to true)

Attributions are collapsible.

cacheSize number | undefined

Deprecated. Use the cacheSize option on the layer instead.

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

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

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

dispatchEvent(event){boolean | undefined} inherited

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.

Gets a value.

Name Type Description
key string

Key name.

Returns:
Value.

Get the attribution function for the source.

Returns:
Attribution function.

getAttributionsCollapsible(){boolean} inherited

Returns:
Attributions are collapsible.

getKeys(){Array.<string>} inherited

Get a list of object property names.

Returns:
List of property names.

getProjection(){Projection | null} inherited

Get the projection of the source.

Returns:
Projection.

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

Get an object of all property names and values.

Returns:
Object.

getRevision(){number} inherited

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

Returns:
Revision.

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

Returns:
State.

getTileGrid(){TileGrid | null}

Return the tile grid of the tile source.

Returns:
Tile grid.

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

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

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.

set(key, value, silent) inherited

Sets a value.

Name Type Description
key string

Key name.

value *

Value.

silent boolean | undefined

Update without triggering an event.

setAttributions(attributions) inherited

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

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

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

Unsets a property.

Name Type Description
key string

Key name.

silent boolean | undefined

Unset without triggering an event.