Converts a longvol (long int) to a vol file (unsigned char).
Usage: longvol2vol [input] [output]
Allowed options are: 
-h [ --help ]          display this message.
-i [ --input ] arg     Input longvol filename.
-o [ --output ] arg    Output vole filename.
-m [ --mode ] arg (=0) Conversion mode:
                        0 = cast (default)
                        1 = Linear Scaling
                        2 = Grayscale cycle (32 steps, except 0 values).
Example: 
$ longvol2vol -i ${
DGtal}/tests/samples/test.longvol -o out.vol 
- See also
 - longvol2vol.cpp