The information about the bvecs was very usefull. Thanks
I have more one question: in the bvals, I have to write the nominal value (the input of the scanner: 0 0 0 1000 1000...) or the effective value (that is obtained from the file: 11.015 11.015 11.015 1319.003 1196.645 1334.212...)? I think the second option is more accurate, but I'm not sure.
The method file is from the Bruker data, a file with all the parameters that you used.