def compute_from(self, start: FlightPoint) -> pd.DataFrame:
start = FlightPoint(start)
start.altitude = self._get_optimal_altitude(start.mass, start.mach)
return super().compute_from(start)
def _compute_next_altitude(next_point: FlightPoint, previous_point: FlightPoint):
time_step = next_point.time - previous_point.time
next_point.altitude = (
previous_point.altitude
+ time_step * previous_point.true_airspeed * np.sin(previous_point.slope_angle)
)
def _compute_next_altitude(self, next_point: FlightPoint,
previous_point: FlightPoint):
next_point.altitude = self._get_optimal_altitude(
next_point.mass,
previous_point.mach,
altitude_guess=previous_point.altitude)
