[PD] hanning / VASP ? do you use it ?

[Martin Peach]

abel.jerome at free.fr wrote:
> 
> hello list,
> 
> I see VASP files now. Do you use it, and for what it is useful ?
> 
> I see the word "hanning" in some patchs to make fonction in table. I think it's
> like a sinus. For what is it useful too?

Usually the 'hanning' window is used to envelope a block of samples 
before passing them to an FFT routine so the discontinuities at the two 
ends don't show up as spurious high-frequencies.

Martin