fourier transform of a 3d object

[vishnu_t]

I want to take a fourier tranfrm of a 3d object, similar to taking FT of a 2d picture 

Can any one help me....?

[ejkaiser]

Maybe you can use this http://cseweb.ucsd.edu/~baden/classes/Exemplars/cse260_fa12/3DFFT.pdf to start.

Cheers

Edgar