Help for PLOTIT

PURPOSE
1. To plot graphs.
2. To display images.

EXECUTION
See http://www-astro-theory.fnal.gov/Documentation/Software/pgplot/
         index.html

*************to plot a graph********************
plotit  xdata=(0.,2.,4.,6.,8.) ydata=(1.,2.,4.,8.,16.)  xlabel="x axis" ylabel="y axis" title="a title"

************to display a vicar image *******************
plotit inp=ref.img

PARAMETERS: