This article helps to explain how to update Latitude and Longitude details for devices in Northstar topology.

Default method -

• To update each device Lon/Lat details by edit and setting the parameters -> Modify Node

If user wants to update all devices Lon/Lat Details-

• You can use the "Import from” option under Topology -> Layout to import the Lat/Lon details.
• Import information (about the hostname, latitude, longitude, router id, and site information) for all devices in a layout from a comma-separated values (CSV) file or GeoJSON file. 
• After the file is imported, the devices are automatically repositioned in the topology map according to the coordinates (latitude and longitude) in the imported file.
  • To save the configured coordinates in the server, right-click a blank space in the topology map and select Layout > Set Coordinates from Map.