OpenLayers 3 API Documentation - Class: ol.control.Zoom

ol.control. ol.control.Zoom

new Zoom

Create a new control with 2 buttons, one for zoom in and one for zoom out. This control is part of the default controls of a map. To style this control use css selectors .ol-zoom-in and .ol-zoom-out.

Parameters:
Name Type Argument Description
options ol.control.ZoomOptions <optional>
 (Optional)

Zoom options.
Source:
  • zoomcontrol.js, line 30

Extends

Methods

bindTo

Binds a View to a Model.

Parameters:
Name Type Argument Description
key string

Key.
target ol.Object

Target.
targetKey string <optional>
 (Optional)

Target key.
noNotify boolean <optional>
 (Optional)

No notify.
Inherited From:
Source:
  • object.js, line 147

get

Gets a value.

Parameters:
Name Type Description
key string

Key.
Inherited From:
Source:
  • object.js, line 170
Returns:

Value.

Type
*

getMap

Get the map associated with this control.

Inherited From:
Source:
  • control.js, line 69
Returns:

Map.

Type
ol.Map

handleMapPostrender

Function called on each map render. Executes in a requestAnimationFrame callback. Can be implemented in sub-classes to re-render the control's UI.

Parameters:
Name Type Description
mapEvent ol.MapEvent

Map event.
Inherited From:
Source:
  • control.js, line 80

notify

Notify all observers of a change on this property. This notifies both objects that are bound to the object's property as well as the object that it is bound to.

Parameters:
Name Type Description
key string

Key.
Inherited From:
Source:
  • object.js, line 208

on

Listen for a certain type of event.

Parameters:
Name Type Argument Description
type string | Array.<string>

The event type or array of event types.
listener Function

The listener function.
scope Object <optional>
 (Optional)

Object is whose scope to call the listener.
Inherited From:
Source:
  • object.js, line 240
Returns:

Unique key for the listener.

Type
goog.events.Key

once

Listen once for a certain type of event.

Parameters:
Name Type Argument Description
type string | Array.<string>

The event type or array of event types.
listener Function

The listener function.
scope Object <optional>
 (Optional)

Object is whose scope to call the listener.
Inherited From:
Source:
  • object.js, line 253
Returns:

Unique key for the listener.

Type
goog.events.Key

set

Sets a value.

Parameters:
Name Type Description
key string

Key.
value *

Value.
Inherited From:
Source:
  • object.js, line 263

setMap

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.

Parameters:
Name Type Description
map ol.Map

Map.
Inherited From:
Source:
  • control.js, line 89

setValues

Sets a collection of key-value pairs.

Parameters:
Name Type Description
values Object.<string, *>

Values.
Inherited From:
Source:
  • object.js, line 286

un

Unlisten for a certain type of event.

Parameters:
Name Type Argument Description
type string | Array.<string>

The event type or array of event types.
listener Function

The listener function.
scope Object <optional>
 (Optional)

Object is whose scope to call the listener.
Inherited From:
Source:
  • object.js, line 326

unbind

Removes a binding. Unbinding will set the unbound property to the current value. The object will not be notified, as the value has not changed.

Parameters:
Name Type Description
key string

Key.
Inherited From:
Source:
  • object.js, line 305

unbindAll

Removes all bindings.

Inherited From:
Source:
  • object.js, line 344

unByKey

Removes an event listener which was added with listen() by the key returned by on().

Parameters:
Name Type Argument Description
key number <nullable>

Key.
Inherited From:
Source:
  • object.js, line 336