Here's the explanation and documentation: https://github.com/fiatjaf/geojson https://github.com/fiatjaf/geojson (basically just reference a file) Other example

Here's the explanation and documentation: https://github.com/fiatjaf/geojson https://github.com/fiatjaf/geojson (basically just reference a file) Other examples: * http://fiatjaf.alhur.es/geojson/?type=osm&url=https://gist.githubusercontent.com/fiatjaf/f3fede3ac0d9d5b32595/raw/4ad99d97b52d32f1efe6db60e30acda786e6ad4e/doulas.geojson http://fiatjaf.alhur.es/geojson/?type=osm&url=https://gist.g... * http://fiatjaf.alhur.es/geojson/?type=terrain&src=http://rawgit.com/fiatjaf/maps/master/batata.geojson/ http://fiatjaf.alhur.es/geojson/?type=terrain&src=http://raw... * http://fiatjaf.alhur.es/geojson/?url=https://gist.githubusercontent.com/fiatjaf/f3fb3621dbeb38717431/raw/dacbded21836ad376a944964ba6295fa4d345f4f/map.geojson/ http://fiatjaf.alhur.es/geojson/?url=https://gist.githubuser...