from .array import ArraySpectrum
import numpy as np
[docs]class ObservedSpectrum(ArraySpectrum):
"""
Loads an observed spectrum from a text file and computes bin
edges and bin widths. Spectrum must be 3-4 columns with ordering:
1. wavelength
2. spectral data
3. error
4. (optional) bin width
If no bin width is present then they are computed.
Parameters
-----------
filename: string
Path to observed spectrum file.
"""
def __init__(self, filename=None):
self._filename = filename
super().__init__(np.loadtxt(self._filename))