def _component_names(n_components):
return "<STR_LIT>".join(["<STR_LIT>" % (i + <NUM_LIT:1>) for i in range(n_components)])<EOL>
To be correctly read in a MED viewer, each component must be a
string of width 16. Since we do not know the physical nature of
the data, we just use V1, V2, ...