Center column of the instrument pallet has instruments like LANDSAT satellite, airplane and helicopter, which is linked to graphic files. Right column of the instrument pallet has instruments like Notepad and camera, which is linked to metadata.
The user can pick an instrument off the instrument pallet, carry it over to a site, and place it there. Once the instrument is placed at a site, it begins to operate. The mercury level in the thermometer rises and falls with the temperature.