Online Help:

Usage: /vol/vssp/local/trees/amma-4/linux/bin/genSobelImg [options] 
   -optload () [] Load options from a file.  
   -optsave () [] Save options to a file.  
   -o (out.pgm) [out.pgm] Output filename 
   -of () [] Output file format. 
   -n (128) [128] Number of points to plot.  
   -i (0) [0] Start point in sequence.  
   -bits (30) [30] Bits to use in generating sequence.  
   -b (FALSE) [FALSE] Produce binary image. 
   -ts (FALSE) [FALSE] Generate full sobel image. 
   -r (FALSE) [FALSE] Generate equivelent sequence with a random number generator. 
   -v (FALSE) [FALSE] Verbose mode. 
   -s (128 128) [128 128] Output image size. 
   -help (TRUE) [FALSE] Print usage information.