ABSTRACT

This chapter explains how to use the Google Web Toolkit (GWT) framework. It explains how to embed Google Earth into a Web application with the GWT. The chapter describes how to show the active sessions in the LBIS system in a Google Map or Google Earth graphical user interface. It shows how to use the GWT framework to create a Web application that will allow the continuous monitoring of the positions of the active users of the system in a Google Maps interface. The chapter provides the software to display the positions of the active sessions in a Google Maps interface in the main control station. It explains Keyhole Markup Language (KML) and the process to show the location information of the active sessions of location-based information systems tracking system example in Google Earth. The chapter also explains how to generate this KML document in a dynamic fashion.