Topic: GPS taking into account floors
There is such here a practical task. It is interesting not from the point of view of application really and how to solve it. There are such people as which go shopping and there through mobile application. And sootv th coordinates are checked with shop coordinates in basis and if dispersion no more than 100 m that is considered that visited shop. And so how to solve a problem when shop is in the same house where lives ? That is he woke up without quitting apartment made , and itself houses. After all at there is no concept of height like. I see only to do a photo, but there it is possible to forge date time too. We do not consider cases that it is possible to deceive any applications, is interesting in such description to solve the task.