

   IIddeennttiiffyy ppooiinnttss oonn aa PPooiinntt OObbjjeecctt

        identify(point.obj, v)

   AArrgguummeennttss::

   point.obj: a point object generated by `point()'

          v: a variable name that will be displayed on the
             graphics device

   DDeessccrriippttiioonn::

        Plot variable values next to locations after the
        `plot.point()' function.

   VVaalluuee::

        NULL

   RReeffeerreenncceess::

        http://www.gis.iastate.edu/SGeoStat/homepage.html

   SSeeee AAllssoo::

        `plot.point'

   EExxaammpplleess::

        identify(maas.pts, 'id')

