OpenLayers zoom 레벨에 따른 이벤트

 

OpenLayers zoom 레벨에 따른 이벤트

 

초기화된 지도 객체에 줌 이벤트를 등록한다.

map.events.register(이벤트타입, 지도객체, 함수명);

 

ex) 줌변화가 끝난 시점에 zoomChanged 이벤트 발생

map.events.register("zoomend", map, zoomChanged);

 

function zoomChanged(){

//getZoom 메소드로 현재 지도의 줌을 가져와 console창에 출력

var zoom = map.getZoom();

console.log(zoom);

}

 

가져온 zoom 정보에 따라 함수내에 조건을 주면 됩니다.

 

 

등록가능한 이벤트 타입.

 

preaddlayer	triggered before a layer has been added.  The event object will include a layer property that references the layer to be added.  When a listener returns “false” the adding will be aborted.
addlayer	triggered after a layer has been added.  The event object will include a layer property that references the added layer.
preremovelayer	triggered before a layer has been removed.  The event object will include a layer property that references the layer to be removed.  When a listener returns “false” the removal will be aborted.
removelayer	triggered after a layer has been removed.  The event object will include a layer property that references the removed layer.
changelayer	triggered after a layer name change, order change, opacity change, params change, visibility change (actual visibility, not the layer’s visibility property) or attribution change (due to extent change).  Listeners will receive an event object with layer and property properties.  The layer property will be a reference to the changed layer.  The property property will be a key to the changed property (name, order, opacity, params, visibility or attribution).
movestart	triggered after the start of a drag, pan, or zoom.  The event object may include a zoomChanged property that tells whether the zoom has changed.
move	triggered after each drag, pan, or zoom
moveend	triggered after a drag, pan, or zoom completes
zoomstart	triggered when a zoom starts.  Listeners receive an object with center and zoom properties, for the target center and zoom level.
zoomend	triggered after a zoom completes
mouseover	triggered after mouseover the map
mouseout	triggered after mouseout the map
mousemove	triggered after mousemove the map
changebaselayer	triggered after the base layer changes
updatesize	triggered after the updateSize method was executed

 

참고 : OpenLayers Event