.. _fft:

fft
***


**Syntax:** :code:`fft(input image, output image)`

Calculates Fourier transform.

This command cannot be used in the distributed processing mode. If you need it, please contact the authors.

Arguments
---------

input image [input]
~~~~~~~~~~~~~~~~~~~

**Data type:** float32 image

Input image.

output image [output]
~~~~~~~~~~~~~~~~~~~~~

**Data type:** complex32 image

Output image.

See also
--------

:ref:`fft`, :ref:`ifft`, :ref:`bandpassfilter`, :ref:`highpassfilter`