This processor computes city name based on given lat/lng coordinates that are transmitted as fields from an event. This processor automatically downloads the file cities1000.zip from Geonames ( This file is provided under the CC BY 4.0 license).
Input event requires to have latitude and longitude values.
The field containing the latitude value.
The field containing the longitude value.
Outputs a similar event like below.
{ 'geoname': 'Colombo' }