def METHOD_NAME(self,
                  requestedVariables,
                  time=None,
                  x=None,
                  y=None,
                  z=None):
    """
    Get binary mask of whether elements are on land or not.
    Args:
        x (deg[]): longitude (decimal degrees)
        y (deg[]): latitude (decimal degrees)
        ...
    x, y is given in reader local projection.
    Returns:
        Binary mask of point x, y on land.
    """
    self.check_arguments(requestedVariables, time, x, y, z)
    return {'land_binary_mask': self.__on_land__(x, y)}