To use the Add Layer from File feature, which temporarily adds a layer to the map for the length of the browser session, the CSV, or XLSX file must contain either:
a.A point geometry with header information and columns named one of the following combinations:
•x, y, z
•x, y
•lat, lon
•lat, long
•latitude, longitude
b.A geometry with or without header information encoded in one of the following:
