multipolygon topic

坐标边界查询工具：使用jts库从省市区县乡镇边界数据或geojson边界数据文件中查找出和任意点、线、面有相交的矢量边界，提供HTTP API接口，内存占用低，性能优良（1秒可查1万个以上坐标对应的城市信息）

xiangyuecn

A lightweight, high performance geometry library.

tonystone

🍂🗺️ The most powerful leaflet plugin for drawing and editing geometry layers

geoman-io

A lightweight, high performance geometry library in Swift.

tonystone

Fixing (multi)polygons in OpenStreetMap

osmlab

python package for fast shortest path computation on 2D polygon or grid maps

jannikmi