Defined in file : brainvisa/types/builtin.py
BrainVISA volume formats
<filename>_t2
{protocol}/{subject}/anatomy/<subject>_t2
{protocol}/{subject}/anatomy/<subject>_t2_*
{protocol}/{subject}/anatomy/{acquisition}/<subject>_t2
{protocol}/{subject}/anatomy/{acquisition}/<subject>_t2_*
protocol , subject , filename_variable , acquisition