Phones, Buildings, and First Responders
This could get complicated. Take for example first responders who need to quickly download building models to their phone. DirectionsMag has a good article about CityGML. Would LOD4 be sufficient for shortest path finding through a building’s interior? How much of a building model should be transmitted to the phone?
How much detail would be lost going from CityGML to KML?
This would also be relevant to Google’s business model. Say I’m a pedestrian in a shopping district and want to get directions to some item on sale in some other building. I’d like to get a path along with 3D building models guiding me to my destination downloaded to my phone.