'Apply a previously saved view.
Called when restoring a view, such as with the navigation buttons.
.. note::
Intended to be overridden by new projection types, but if not, the
default implementation restores the view limits. You *must*
implement :meth:`_get_view` if you implement this method.'

def _set_view(self, view):

    (xmin, xmax, ymin, ymax) = view
    self.set_xlim((xmin, xmax))
    self.set_ylim((ymin, ymax))
