Usage: WlzGreyStats [-o< out file >] [-v] [-h] [< in object >]
     
Options:
      -o Output file name.
      -v Verbose output flag.
      -h Help, prints this usage message.
      Calculates the area, minimum, maximum, sum, sum of squares,
mean
      and the standard deviation of the input 2D or 3D Woolz
object's
      grey values.
      If the verbose output flag is not set then the following
are written
      to the output file in the following order:
      < area > < grey type > < min > < max >
< sum > < sum of sq > < mean > < std dev >.
      The input object is read from stdin and values are written
to stdout
      unless the filenames are given.
      Example: WlzGreyStats -o stats.txt myobj.wlz
      The input Woolz object is read from myobj.wlz. The statistics
are
      calculated and written to out.txt.