83 lines
2.4 KiB
Python
83 lines
2.4 KiB
Python
from abc import abstractmethod
|
|
from ..IRadiant import IRadiant
|
|
from ..SpectralQty import SpectralQty
|
|
import astropy.units as u
|
|
import numpy as np
|
|
from ...lib.logger import logger
|
|
from typing import Tuple
|
|
from ..Entry import Entry
|
|
|
|
|
|
class ATarget(IRadiant):
|
|
"""
|
|
Abstract super class for target models
|
|
"""
|
|
|
|
@abstractmethod
|
|
@u.quantity_input(wl_bins="length")
|
|
def __init__(self, sfd: SpectralQty, wl_bins: u.Quantity, size: str = "Point"):
|
|
"""
|
|
Initialize a new target
|
|
|
|
Parameters
|
|
----------
|
|
sfd : SpectralQty
|
|
The spectral flux density of the target
|
|
wl_bins : length-Quantity
|
|
The bins to be used for evaluating spectral quantities.
|
|
size : str
|
|
The size of the target. Can be either point or extended.
|
|
"""
|
|
self.__sfd = sfd
|
|
self.__wl_bins = wl_bins
|
|
self.__size = size
|
|
|
|
def calcBackground(self) -> SpectralQty:
|
|
"""
|
|
Calculate the spectral radiance of the target's background
|
|
|
|
Returns
|
|
-------
|
|
background : SpectralQty
|
|
The spectral radiance of the target's background
|
|
"""
|
|
logger.info("Calculating noise for class '" + self.__class__.__name__ + "'.")
|
|
background = SpectralQty(self.__wl_bins, np.repeat(0, len(self.__wl_bins)) << u.W / (u.m**2 * u.nm * u.sr))
|
|
logger.debug(background)
|
|
return background
|
|
|
|
def calcSignal(self) -> Tuple[SpectralQty, str, float]:
|
|
"""
|
|
Calculate the spectral flux density of the target's signal
|
|
|
|
Returns
|
|
-------
|
|
signal : SpectralQty
|
|
The spectral flux density of the target's signal
|
|
size : str
|
|
The size of the target.
|
|
obstruction : float
|
|
The obstruction factor as A_ob / A_ap.
|
|
"""
|
|
logger.info("Calculating signal for class '" + self.__class__.__name__ + "'.")
|
|
logger.debug(self.__sfd)
|
|
return self.__sfd, self.__size, 0.0
|
|
|
|
@staticmethod
|
|
@abstractmethod
|
|
def check_config(conf: Entry) -> bool:
|
|
"""
|
|
Check the configuration for this class
|
|
|
|
Parameters
|
|
----------
|
|
conf : Entry
|
|
The configuration entry to be checked.
|
|
|
|
Returns
|
|
-------
|
|
mes : Union[None, str]
|
|
The error message of the check. This will be None if the check was successful.
|
|
"""
|
|
pass
|