ESBO-ETC/esbo_etc/classes/optical_component/StrayLight.py

30 lines
1.1 KiB
Python
Raw Normal View History

2020-04-16 09:35:24 +02:00
from .AOpticalComponent import AOpticalComponent
from ..IRadiant import IRadiant
from ..SpectralQty import SpectralQty
2020-04-14 14:29:50 +02:00
import astropy.units as u
class StrayLight(AOpticalComponent):
"""
A class to model additional stray light sources e.g. zodiacal light
"""
2020-04-16 09:35:24 +02:00
2020-04-16 13:04:21 +02:00
def __init__(self, parent: IRadiant, emission: str):
2020-04-14 14:29:50 +02:00
"""
Initialize a new stray light source
Parameters
----------
2020-04-16 09:35:24 +02:00
parent : IRadiant
2020-04-14 14:29:50 +02:00
The parent element from which the electromagnetic radiation is received.
This element is usually of type Target or StrayLight.
emission : str
Path to the file containing the spectral radiance of the stray light source.
The format of the file will be guessed by `astropy.io.ascii.read()`.
"""
# Read the emission
emission_sqty = SpectralQty.fromFile(emission, wl_unit_default=u.nm,
2020-04-16 09:35:24 +02:00
qty_unit_default=u.W / (u.m ** 2 * u.nm * u.sr))
2020-04-14 14:29:50 +02:00
# Initialize the super class
super().__init__(parent, 1.0, emission_sqty)