Plot ionising luminosity

Makes a plot of the specific ionising luminosity for a given choice of grid and ion.

import argparse

import matplotlib.pyplot as plt
from synthesizer.grid import Grid

if __name__ == "__main__":
    # Get the location of this script, __file__ is the absolute path of this
    # script, however we just want to directory
    # script_path = os.path.abspath(os.path.dirname(__file__))

    # define the test grid dir
    # test_grid_dir = script_path + "/../../tests/test_grid/"
    test_grid_dir = "../../tests/test_grid/"

    # initialise argument parser
    parser = argparse.ArgumentParser(
        description=(
            "Create a plot of all spectra types for a given metallicity and \
            age"
        )
    )

    # The name of the grid. Defaults to the test grid.
    parser.add_argument(
        "-grid_name",
        "--grid_name",
        type=str,
        required=False,
        default="test_grid",
    )

    # The path to the grid directory. Defaults to the test grid directory.
    parser.add_argument(
        "-grid_dir",
        "--grid_dir",
        type=str,
        required=False,
        default=test_grid_dir,
    )

    # The desired ion.
    parser.add_argument("-ion", type=str, required=False, default="HI")

    # Get dictionary of arguments
    args = parser.parse_args()

    # initialise grid
    grid = Grid(args.grid_name, grid_dir=args.grid_dir)

    # plot grid of HI ionising luminosities
    fig, ax = grid.plot_specific_ionising_lum(ion=args.ion)
    plt.show()