How do I create a line connecting Features in GeoJSON? I hope to avoid having to re-enter coordinates for the polylines I use to connect the Features separately...
Do you mean like showing track points? There is a free REST API for this
Simply POST GeoJson Data to an endpoint, and view the POI in Geojson(track), GPX(track and route) ,KML, ARML supported app in real time.
Just create an AppKey, and check out the code samples in curl,java,node,php,python,objective-c,ruby, and .net.
After posting a few GeoJson:(format can be gpx,kml,geojson )