radec.py 文件源码

def main():
    parser = argparse.ArgumentParser(
        description="Convert among multiple coordinate formats")
    parser.add_argument("coord", nargs="+")
    args = parser.parse_args()

    ra, dec = parse_coord(args.coord)
    info = (
        "%-14s  %-14s\n" % ("R.A.", "Dec.") +
        "%s--%s\n" % ("-"*14, "-"*14) +
        "%-14.3f  %-+14.3f\n" % (ra.deg, dec.deg) +
        "%-14s  %-14s\n" % (
            ra.to_string(unit=au.hourangle, precision=4),
            dec.to_string(unit=au.deg, alwayssign=True, precision=3)) +
        "%-14s  %-14s\n" % (
            ra.to_string(unit=au.hourangle, sep=":", precision=4),
            dec.to_string(unit=au.deg, alwayssign=True,
                          sep=":", precision=3)) +
        "%-14s  %-14s\n" % (
            ra.to_string(unit=au.hourangle, sep=" ", precision=4),
            dec.to_string(unit=au.deg, alwayssign=True,
                          sep=" ", precision=3))
    )
    print(info)