def get_rect_footprint(l_m=4.8, w_m=1.83):
    """
    Get rectangular footprint of length (x, longitudinal direction) and width (y, lateral direction)

    l_m : length (default 4.8)
    w_m : width (default 1.83)

    Return Values
    =============
    footprint_x : tuple of x coordinates of the footprint
    footprint_y : tuple of y coordinates of the footprint

    """
    l_half_m = l_m * 0.5
    w_half_m = w_m * 0.5
    footprint_x, footprint_y = zip((l_half_m, w_half_m), (-l_half_m, w_half_m), (-l_half_m, -w_half_m), (l_half_m, -w_half_m), (l_half_m, w_half_m))
    return footprint_x, footprint_y