Render 2500 geoJSON polygons onto a leaflet map

Question

I\'ve been searching but cannot seem to find a solution.

I have a GeoJSON file which is 170mb in size. It contains about 2500 polygons. Somehow I need to render it to a

Answer 1

I cannot argue with psousa's recommendation. For a straightforward presentation, TileMill is a great idea.

However, if you want to overlay your polygons onto another map, I reckon the only way is by using Mike Bostock's TopoJSON and D3.

The main TopoJSON page: https://github.com/mbostock/topojson/wiki

An example at the scale you are talking about: http://bl.ocks.org/mbostock/4206573

You'll have to shop around Mike's excellent examples on github to see how to combine leaflet with a D3 overlay.

I'm currently doing this successfully with hundreds of complex polygons. Haven't had the need to break into the thousands ... yet.