This is a list of all the tiddlers containing ~GeoJSON layers in this wiki (identified by the tag <<tag "$:/tags/GeoLayer">>). A ~GeoJSON layer identifies a region of the surface of the earth via a series of polygons defined as lines between consecutive points specified via latitude and longitude (and optional elevation). ~GeoJSON layers may also contain associated metadata in JSON format.
You can create new layers by:
* Visit the tiddler for a ~GeoJSON marker and use the button to calculate travel time