Positions outside are received from GPS. Large circles represent platform location estimate accuracy. Entering mapped area is detected. Mapping covered couple of meters outside the entrance. Platform location updates stop outside and positioning continues using updates from IndoorAtlas service. Change to lower floor level is detected and signalled to the application. Again, floor level detected and passed to application. Surrounding large gray circle is platform location accuracy. Arno exits the venue… …exit event is detected slightly late so this Alpha release has something to improve. GPS accuracy is restored after few seconds of walking outside.