def _filter_coordinate(self, coords): # 1mm accuracy is enough for distances return round(coords * 1000.0) / 1000.0
def _filter_dist(self, dist): # 10cm accuracy is enough for distances return round(dist * 10.0) / 10.0
def _filter_alt(self, alt): if alt is not None and alt > 0.0: # 10cm accuracy is enough for altitudes return round(alt * 10.0) / 10.0 else: return None