trident.spectrum_generator.SpectrumGenerator.save_spectrum

SpectrumGenerator.save_spectrum(filename='spectrum.h5', format=None)[source]

Save the current spectrum data to an output file. Unless specified, the output data format will be determined by the suffix of the filename provided (“h5”:HDF5, “fits”:FITS, all other:ASCII).

ASCII data is stored as a tab-delimited text file.

Parameters

Filename

string, optional

Output filename for storing the data. Default: ‘spectrum.h5’

Format

string, optional

Data format of the output file. Valid examples are “HDF5”, “FITS”, and “ASCII”. If None is set, selects based on suffix of filename. Default: None

Example

Save a spectrum to disk, load it from disk, and plot it.

>>> import trident
>>> ray = trident.make_onezone_ray()
>>> sg = trident.SpectrumGenerator('COS')
>>> sg.make_spectrum(ray)
>>> sg.save_spectrum('temp.h5')
>>> sg.clear_spectrum()
>>> sg.load_spectrum('temp.h5')
>>> sg.plot_spectrum('temp.png')