dtiproc [options] <REC file> <dpf file> [gradients-to-remove] [<REC file> <dpf file> [gradients-to-remove] ]...

Options:
   -h | --help                     This help
   -v                              Increase the verbosity of output
   -o | --outputdir <dir>          Define a different output directory
   -t | --threshold <num>          Process data with b=0 SI greater than <num>
   --percentile-threshold <num>    Process data with b=0 SI greater than <num>'th percentile (e.g., 80)
   --no-scaling                    Don't scale the input data.
   --remove-gradient-directions <grad-dirs>	Do no use the gradient directions from the calculation.
                                   Note:  These are gradients to remove from every REC file
   --start-row <num>               Start processing on row <num>
   --end-row <num>                 Stop processing on row <num>
   --start-column <num>             Start processing on column <num>
   --end-column <num>               Stop processing on column <num>
   --start-slice <num>             Start processing on slice <num>
   --end-slice <num>               Stop processing on slice <num>
   -p                              Process multiple REC files together.

Calculation Options:
   --fa                            Output FA
   --ra                            Output RA
   --vr                            Output VR
   --ra                            Output sRA (scaled RA)
   --invvr                            Output 1-VR   
   --adc                           Output ADC
   --tensor                        Output tensor
   --cmap                          Output colormap
   --vec                           Output eigenvector file
