def populate_timestamps(self,update_header=False):
<EOL>ii_start, ii_stop = <NUM_LIT:0>, self.n_ints_in_file<EOL>if self.t_start:<EOL><INDENT>ii_start = self.t_start<EOL><DEDENT>if self.t_stop:<EOL><INDENT>ii_stop = self.t_stop<EOL><DEDENT>t0 = self.header[b'<STR_LIT>']<EOL>t_delt = self.header[b'<STR_LIT>']<EOL>if update_header:<EOL><INDENT>timestamps = ii_start * t_delt / <NUM_LIT>/<NUM_LIT>/<NUM_LIT> + t0<EOL><DEDENT>else:<EOL><INDENT>timestamps = np.arange(ii_start, ii_stop) * t_delt / <NUM_LIT>/<NUM_LIT>/<NUM_LIT> + t0<EOL><DEDENT>return timestamps<EOL>
Populate time axis.
            IF update_header then only return tstart