OpenLayers

Class: OverviewMap

ol.control.OverviewMap

new ol.control.OverviewMap(opt_options)

src/ol/control/overviewmap.js, line 30

Create a new control with a map acting as an overview map for an other defined map.

Name Type Description
options

OverviewMap options.

Name Type Description
collapsed boolean | undefined

Whether the control should start collapsed or not (expanded). Default to true.
collapseLabel string | Node | undefined

Text label to use for the expanded overviewmap button. Default is «. Instead of text, also a Node (e.g. a span element) can be used.
collapsible boolean | undefined

Whether the control can be collapsed or not. Default to true.
label string | Node | undefined

Text label to use for the collapsed overviewmap button. Default is ». Instead of text, also a Node (e.g. a span element) can be used.
layers Array.<ol.layer.Layer> | ol.Collection.<ol.layer.Layer> | undefined

Layers for the overview map. If not set, then all main map layers are used instead.
render function | undefined

Function called when the control should be re-rendered. This is called in a requestAnimationFrame callback.
target Element | undefined

Specify a target if you want the control to be rendered outside of the map's viewport.
tipLabel string | undefined

Text label to use for the button tip. Default is Overview map
view ol.View | undefined

Custom view for the overview map. If not provided, a default view with an EPSG:3857 projection will be used.
Fires:

Extends

Methods

ol.control.OverviewMap.render(mapEvent)

src/ol/control/overviewmap.js, line 292

Update the overview map element.

This:
Name Type Description
mapEvent ol.MapEvent

Map event.

changed() inherited

src/ol/observable.js, line 58

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

dispatchEvent(event) inherited

src/ol/observable.js, line 75

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 Object | ol.events.Event | string

Event object.

get(key){*} inherited

src/ol/object.js, line 101

Gets a value.

Name Type Description
key string

Key name.
Returns:
Value.

getCollapsed(){boolean}

src/ol/control/overviewmap.js, line 547

Determine if the overview map is collapsed.

Returns:
The overview map is collapsed.

getCollapsible(){boolean}

src/ol/control/overviewmap.js, line 505

Return true if the overview map is collapsible, false otherwise.

Returns:
True if the widget is collapsible.

getKeys(){Array.<string>} inherited

src/ol/object.js, line 115

Get a list of object property names.

Returns:
List of property names.

getMap(){ol.Map} inherited

src/ol/control/control.js, line 94

Get the map associated with this control.

Returns:
Map.

getOverviewMap(){ol.Map}

src/ol/control/overviewmap.js, line 557

Return the overview map.

Returns:
Overview map.

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

src/ol/object.js, line 125

Get an object of all property names and values.

Returns:
Object.

getRevision(){number} inherited

src/ol/observable.js, line 84

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

Returns:
Revision.

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

src/ol/observable.js, line 99

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.
this Object

The object to use as this in listener.
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, opt_this){ol.EventsKey|Array.<ol.EventsKey>} inherited

src/ol/observable.js, line 124

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.
this Object

The object to use as this in listener.
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, opt_silent) inherited

src/ol/object.js, line 150

Sets a value.

Name Type Description
key string

Key name.
value *

Value.
silent boolean

Update without triggering an event.

setCollapsed(collapsed)

src/ol/control/overviewmap.js, line 534

Collapse or expand the overview map according to the passed parameter. Will not do anything if the overview map isn't collapsible or if the current collapsed state is already the one requested.

Name Type Description
collapsed boolean

True if the widget is collapsed.

setCollapsible(collapsible)

src/ol/control/overviewmap.js, line 515

Set whether the overview map should be collapsible.

Name Type Description
collapsible boolean

True if the widget is collapsible.

setMap(map) inherited

src/ol/control/control.js, line 107

Remove the control from its current map and attach it to the new map. Subclasses may set up event handlers to get notified about changes to the map here.

Name Type Description
map ol.Map

Map.

setProperties(values, opt_silent) inherited

src/ol/object.js, line 170

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

Update without triggering an event.

setTarget(target) inherited

src/ol/control/control.js, line 138

This function is used to set a target element for the control. It has no effect if it is called after the control has been added to the map (i.e. after setMap is called on the control). If no target is set in the options passed to the control constructor and if setTarget is not called then the control is added to the map's overlay container.

Name Type Description
target Element | string

Target.

un(type, listener, opt_this) inherited

src/ol/observable.js, line 147

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.
this Object

The object which was used as this by the listener.

unset(key, opt_silent) inherited

src/ol/object.js, line 184

Unsets a property.

Name Type Description
key string

Key name.
silent boolean

Unset without triggering an event.