MapProjectionEvent
定义于: src/ui/events.ts:695
MapProjectionEvent
对象会与projectionchange
事件一起发出,该事件在地图投影更改时触发;
属性
previousProjection?
previousProjection?: Projection | null
定义于: src/ui/events.ts:696
更改前的投影对象;在首次调用setProjection
时为null
;
currentProjection?
currentProjection?: Projection | null
定义于: src/ui/events.ts:700
当前的投影对象,由Map#setProjection设置;在调用Map#setProjection且projection
参数为null
时为null
;