Wrapper function for :class:`Topoplot.

def topoplot(values, locations, axes=None, offset=(0, 0), plot_locations=True,
             plot_head=True, **kwargs):
    """Wrapper function for :class:`Topoplot.
    """
    topo = Topoplot(**kwargs)
    topo.set_locations(locations)
    topo.set_values(values)
    topo.create_map()
    topo.plot_map(axes=axes, offset=offset)
    if plot_locations:
        topo.plot_locations(axes=axes, offset=offset)
    if plot_head:
        topo.plot_head(axes=axes, offset=offset)
    return topo