CodePudding user response:
http://datav.aliyun.com/tools/atlas/#& Lat=84.91275775648778 & amp; LNG=300.9375 & amp; Zoom=1//if the above link is not what you want, you can use the following link to yourself on the map drawn
http://geojson.io/#map=2/20.0/0.0
//use, import you to draw the map, and then use the polygonal know area draw, you said just export