[FLASH-USERS] Output Fourier transform

[Samuel Friedman]

Dear Aaron,

I once looked into it and found it tricky to do so.  FLASH has the ability 
to do FFTs through PFFT and then you'd have to hack the output routines to 
do what you want.

I found it way easier to run it through an analysis code afterwards.  If 
you have IDL, then it's really easy to do.  If you don't, Nathan Hearn's 
Quickflash library will allow you to read in your data and then you can 
use your favorite FFT library.  I use FFTW with QuickFlash for lots of 
analysis.

Sam

On Tue, 18 Jan 2011, Aaron Froese wrote:

> Hi all,
>
> Has anyone modified FLASH to output Fourier transforms of the density, pressure, etc?
>
> Thanks,
> Aaron Froese