#!/usr/bin/env python3

# Use the proper idiom in the main module ...
# NOTE: See https://docs.python.org/3.12/library/multiprocessing.html#the-spawn-and-forkserver-start-methods
if __name__ == "__main__":
    # Import special modules ...
    try:
        import matplotlib
        matplotlib.rcParams.update(
            {
                       "axes.xmargin" : 0.01,
                       "axes.ymargin" : 0.01,
                            "backend" : "Agg",                                  # NOTE: See https://matplotlib.org/stable/gallery/user_interfaces/canvasagg.html
                         "figure.dpi" : 300,
                     "figure.figsize" : (9.6, 7.2),                             # NOTE: See https://github.com/Guymer/misc/blob/main/README.md#matplotlib-figure-sizes
                          "font.size" : 8,
                "image.interpolation" : "none",                                 # NOTE: See https://matplotlib.org/stable/gallery/images_contours_and_fields/interpolation_methods.html
                     "image.resample" : False,
            }
        )
        import matplotlib.pyplot
    except:
        raise Exception("\"matplotlib\" is not installed; run \"pip install --user matplotlib\"") from None

    # Import my modules ...
    try:
        import pyguymer3
        import pyguymer3.geo
        import pyguymer3.image
    except:
        raise Exception("\"pyguymer3\" is not installed; run \"pip install --user PyGuymer3\"") from None

    # **************************************************************************

    # Create figure ...
    fg = matplotlib.pyplot.figure(figsize = (7.2, 7.2))

    # Create axis ...
    ax = pyguymer3.geo.add_axis(
        fg,
        add_coastlines = False,
                  dist = 1000.0e3,
                   lat = +40.0,
                   lon =   0.0,
    )

    # Configure axis ...
    pyguymer3.geo.add_NE_map(ax, neRes = "10m")

    # Configure figure ...
    fg.tight_layout()

    # Save figure ...
    fg.savefig("addMapUnderlay_local.png")
    matplotlib.pyplot.close(fg)

    # Optimize PNG ...
    pyguymer3.image.optimise_image("addMapUnderlay_local.png", strip = True)