NMRPipe Processing Functions
ZF: Extend By Zero Filling.

Zero Fill Amount. Use only one of the following: Flag Argument Default Description  -zf zfCnt 1 Number of Times to Double the Size by Zero Filling.  -pad padCnt Number Zeros to Add.  -size finSize Desired Final Size. Other Flags:  -mid Zero Fill in Middle.  -inter Zero Fill by zfCnt Between Points.  -auto Round Final Size to Power of 2. Removing Previous Zero Filling (Inverse Zero Fill):  -inv Extract Original Time Domain Data Points.