javascript - Google Maps Json to GPX -


i'm trying coordinates google timeline convert them gpx format. there exist api can extract time , location google maps timeline json out?

the json-file looks this:

{   "locations" : [{     "timestampms" : "1383767355903",     "latitudee7" : 481848021,     "longitudee7" : 112554011,     "accuracy" : 100   }, {     "timestampms" : "1383767295887",     "latitudee7" : 481848003,     "longitudee7" : 112554027,     "accuracy" : 100   }] }

i think have coordinates in google pixels , need convert coordinate latlong. 

function latlng2point(latlng, map) {   var topright = map.getprojection().fromlatlngtopoint(map.getbounds().getnortheast());   var bottomleft = map.getprojection().fromlatlngtopoint(map.getbounds().getsouthwest());   var scale = math.pow(2, map.getzoom());   var worldpoint = map.getprojection().fromlatlngtopoint(latlng);   return new google.maps.point((worldpoint.x - bottomleft.x) * scale, (worldpoint.y - topright.y) * scale); }  function point2latlng(point, map) {   var topright = map.getprojection().fromlatlngtopoint(map.getbounds().getnortheast());   var bottomleft = map.getprojection().fromlatlngtopoint(map.getbounds().getsouthwest());   var scale = math.pow(2, map.getzoom());   var worldpoint = new google.maps.point(point.x / scale + bottomleft.x, point.y / scale + topright.y);   return map.getprojection().frompointtolatlng(worldpoint); }

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