Properties
Private _useWorker
_useWorker: boolean = false
fetching
fetching
: Map<number[], Fetch> = ...maxZoom
maxZoom: number = 20
showTileNo
showTileNo: boolean = false
source
source: string = 'https://gac-geo.googlecnapps.cn/maps/vt?lyrs=s&x=[x]&y=[y]&z=[z]'
所能提供的数据的最大层级。