Add any color and customizations to the map (see here for instructions).If the coordinate system Name is Unreferenced local system, click the Change button, select the coordinate system for the map and click OK.To check this, click Map in the Contents window, and in the Properties window click on the Coordinate System tab. KML files convert the coordinates of the map to Lat/Long units, if they are not already Lat/Long, so a coordinate system for the map must be specified.In this case, the map is in UTM coordinates. If available, the coordinate system information is automatically entered for the Contours layer.For example, click Home | New Map | Contour, select d from the Sample files, and click Open. To create a colored contour map, export it to a KML file and open it in Google Earth to see the results:
