mnalis ALTernative
test64 crossing, remove gps, move, and later add gps signal

DEBUG INFO:
map view: lat 43.72594178, lon 15.789603460000002, rot 0.038552925, tilt 0.0
note marker on screen: 540, 432
map view on screen: 0.0, 0.0
note marker on map view: 540.0, 432.0
note marker: lat 43.72615592275992 lon 15.78959054712391


via StreetComplete 35.0-beta1