public MemoryLap() { _timeFrames = new List <ActivityTimeFrame>(); _moveCalculator = new MoveCalculator(); _hrCalculator = new Statistics(); _powerCalculator = new Statistics(); _cadenceCalculator = new Statistics(); _speedCalculator = new Statistics(); _avgSpeed.Unit = _maxSpeed.Unit = SpeedUnit.MeterPerSecond; _ascentCalculator = new AscentCalculator(0.0f); }