created: 20160503091446340
creator: user
modified: 20160503091644395
modifier: user
tags: 
title: geofence
type: text/vnd.tiddlywiki

; Geolib
: https://github.com/manuelbieh/geolib

; NODE-RED GEOFENCE NODE
: https://github.com/hardillb/node-red-node-geofence
: https://www.hardill.me.uk/wordpress/2014/11/30/node-red-geofence-node/

```
var loc = JSON.parse(msg.payload);
var newmsg = { lat: loc.lat, lon: loc.lon };
msg.location = newmsg;
return msg;
```