NAME
     histog - histogram plotting

SYNOPSIS
     histog [options] image.fits

DESCRIPTION
     histog computes the histogram of an image and plot  it  with
     gnuplot  if installed and/or display the resulting histogram
     on stdout. You can specify a pixel range, the sample rate or
     if you want the histogam to be cumulative or not.

OPTIONS
     -b bins
          To specify the number of bins used for  the  histogram.
          Default is the x-size of the image.

     -g   Flag to activate the plotting.

     -c   Flag to be used to have the cumulative  histogram  com-
          puted.

     -i 'man max'
          To specify a pixel value range for the  histogram.  All
          the pixels are used by default