靜態render靜態unRemove 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.
Map.
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.
Target.
Listen for a certain type of event.
The event type or array of event types.
The listener function.
可選opt_this: ObjectThe object to use as this in listener.
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.
Listen once for a certain type of event.
The event type or array of event types.
The listener function.
可選opt_this: ObjectThe object to use as this in listener.
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.
函數Removes an event listener using the key returned by on() or once().
Note that using the ol.Observable.unByKey static function is to
be preferred.
可選opt_options: olx.control.RotateOptionsRotate options.
Classdesc
A button control to reset rotation to 0. To style this control use css selector
.ol-rotate. A.ol-hiddencss selector is added to the button when the rotation is 0.參數: opt_options
Rotate options.
Api
stable