How hard will it be to implement RTH indoors? So no GPS, and it must be relatively accurate. I also assume no obstacles, so direct flight without worry of collision os fine.
Product version: [X.X.X]
SDK version: [X.X.X]
Use of libARController: [YES/NO] (Only for ARSDK)
SDK platform: [iOS/Android/Unix/Python...]
Reproductible with the official app: [YES/NO/Not tried]