"""Class for specifying input mass at "any" point in the mission."""
# This file is part of FAST-OAD : A framework for rapid Overall Aircraft Design
# Copyright (C) 2023 ONERA & ISAE-SUPAERO
# FAST is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <https://www.gnu.org/licenses/>.
from dataclasses import dataclass
import pandas as pd
from fastoad.model_base import FlightPoint
from fastoad.models.performances.mission.segments.base import AbstractFlightSegment, RegisterSegment
[docs]@RegisterSegment("mass_input")
@dataclass
class MassTargetSegment(AbstractFlightSegment):
"""
Class that simply sets a target mass.
:meth:`compute_from` returns a 1-row dataframe that is the start point with mass
set to provided target mass.
class:`~fastoad.models.performances.mission.base.FlightSequence` ensures that
mass is consistent for segments prior to this one.
"""
[docs] def compute_from_start_to_target(self, start: FlightPoint, target: FlightPoint) -> pd.DataFrame:
start.mass = target.mass
self.complete_flight_point(start)
return pd.DataFrame([start])