JavaScript可以直接请求PostGIS?https://www.cnblogs.com/polong/p/13511924.html
千万数据展示-矢量切片点聚合:https://www.cnblogs.com/polong/p/13379632.html
mapbbox:https://github.com/mapbox/postgis-vt-util postgis-vt-util
之前也写过一个:https://www.cnblogs.com/2008nmj/p/14816917.html
>>awesome-vector-tiles:https://github.com/mapbox/awesome-vector-tiles