Google Earth Engine（GEE）——用gee进行全球各国不同省市和州的变化情况（安徽省安庆市）

本文使通过GEE进行map进行分图，然后通过左右两个分图对比两者的来判断全世界各国各地级市等的变化情况

setControlVisibility(all,layerList,zoomControl,scaleControl,mapTypeControl,fullscreenControl,drawingToolsControl)

Sets the visibility of the controls on the map.

设置地图上的控件的可见性。

Returns this ui.Map.

Arguments:

this:ui.map (ui.Map):

The ui.Map instance.

all (Boolean, optional):

Whether to show all controls. False hides all controls; true shows all controls. Overridden by individually set parameters. Note that setting this explicitly will affect any additional controls added in the future.

layerList (Boolean, optional):

When false, hides the layer list panel or, when true, allows the layer list panel's visibility to be determined by the presence of layers in the list. The default is to show the list.

zoomCont