一个数据源可以画很多个图层
https://lzugis.blog.csdn.net/article/details/105079832?spm=1001.2014.3001.5502
https://www.yuque.com/feizhoubeijixiong/hgrzai/gmfbgg
http://t.zoukankan.com/amadoGrowers-p-12047847.html
总结
https://www.fenxianglu.cn/article/87
中文官方文档
http://www.mapbox.cn/mapbox-gl-js/example/simple-map/
https://mapbox.allanhao.com/advance/#%E6%A6%82%E8%BF%B0
geojson-vt
https://cloud.tencent.com/developer/ask/sof/1005465
example；Draw a polygon and calculate its area
https://docs.mapbox.com/mapbox-gl-js/example/mapbox-gl-draw/
V神
https://agafonkin.com/
样式规范
https://www.cnblogs.com/leeke98/p/12713302.html
sprite
http://cn.voidcc.com/question/p-rsehaqxh-bkc.html
https://qastack.cn/gis/179255/mapbox-gl-addlayer-where-are-the-icon-images-coming-from