         }
     }
 
-    
+    // geographic longitude degrees
     var longitude: Float? {
         get {
             return StudentInformation.validLongitude(data[OnTheMapParseService.ParseJsonKey.Longitude] as? Float)

        dateFormatter = ParseClient.DateFormatter
    }
    
    var rawData: [String:AnyObject] {
        return data
    }
    
    var email: String?
    
    var studentKey: StudentIdentity {
        return data[OnTheMapParseService.ParseJsonKey.UniqueKey] as? String ?? ""
    }
    
    var objectId: String? {
        get {
            return data[OnTheMapParseService.ParseJsonKey.ObjectId] as? String

        }
    }

    // student first name
    var firstname: String? {
        get {
            return data[OnTheMapParseService.ParseJsonKey.Firstname] as? String
