Read the file list and convert the woolz domains to
      Glaxo-Wellcome XYZ format contour files.
      Options are:
      -m#       input the min size used to determine which
            contours will be output (default 4).
      -o#,#       x and y offsets to correspond to the grey-level
            object so that all coordinates are +ve.
      -s#,#       width and height for the XYZ file
      -p#       required plane number
      -h       Help - prints this usage message
      -v       Verbose operation