.. _eu.gmic.FourierTransform:

G’MIC Fourier Transform node
============================

.. raw:: html

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*This documentation is for version 1.0 of G’MIC Fourier Transform (eu.gmic.FourierTransform).*

Description
-----------

Note: Apply this filter once to get the direct FFT, and once again to get the reverse transform.

Click here for a video tutorial: http://www.youtube.com/watch?v=3137dDa6P4s

Author: David Tschumperle. Latest Update: 2018/06/16.

Wrapper for the G’MIC framework (http://gmic.eu) written by Tobias Fleischer (http://www.reduxfx.com) and Frederic Devernay.

Inputs
------

+--------+-------------+----------+
| Input  | Description | Optional |
+========+=============+==========+
| Source |             | No       |
+--------+-------------+----------+

Controls
--------

.. tabularcolumns:: |>{\raggedright}p{0.2\columnwidth}|>{\raggedright}p{0.06\columnwidth}|>{\raggedright}p{0.07\columnwidth}|p{0.63\columnwidth}|

.. cssclass:: longtable

+-------------------------------------------------+---------+----------------------+------------------------------+
| Parameter / script name                         | Type    | Default              | Function                     |
+=================================================+=========+======================+==============================+
| Magnitude / Phase / ``Magnitude__Phase``        | Choice  | One Layer (Vertical) | |                            |
|                                                 |         |                      | | **One Layer (Horizontal)** |
|                                                 |         |                      | | **One Layer (Vertical)**   |
|                                                 |         |                      | | **Two Layers**             |
+-------------------------------------------------+---------+----------------------+------------------------------+
| Discard Transparency / ``Discard_Transparency`` | Boolean | On                   |                              |
+-------------------------------------------------+---------+----------------------+------------------------------+
| Output Layer / ``Output_Layer``                 | Choice  | Layer 0              | |                            |
|                                                 |         |                      | | **Merged**                 |
|                                                 |         |                      | | **Layer 0**                |
|                                                 |         |                      | | **Layer -1**               |
|                                                 |         |                      | | **Layer -2**               |
|                                                 |         |                      | | **Layer -3**               |
|                                                 |         |                      | | **Layer -4**               |
|                                                 |         |                      | | **Layer -5**               |
|                                                 |         |                      | | **Layer -6**               |
|                                                 |         |                      | | **Layer -7**               |
|                                                 |         |                      | | **Layer -8**               |
|                                                 |         |                      | | **Layer -9**               |
+-------------------------------------------------+---------+----------------------+------------------------------+
| Resize Mode / ``Resize_Mode``                   | Choice  | Dynamic              | |                            |
|                                                 |         |                      | | **Fixed (Inplace)**        |
|                                                 |         |                      | | **Dynamic**                |
|                                                 |         |                      | | **Downsample 1/2**         |
|                                                 |         |                      | | **Downsample 1/4**         |
|                                                 |         |                      | | **Downsample 1/8**         |
|                                                 |         |                      | | **Downsample 1/16**        |
+-------------------------------------------------+---------+----------------------+------------------------------+
| Ignore Alpha / ``Ignore_Alpha``                 | Boolean | Off                  |                              |
+-------------------------------------------------+---------+----------------------+------------------------------+
| Preview/Draft Mode / ``PreviewDraft_Mode``      | Boolean | Off                  |                              |
+-------------------------------------------------+---------+----------------------+------------------------------+
| Global Random Seed / ``Global_Random_Seed``     | Integer | 0                    |                              |
+-------------------------------------------------+---------+----------------------+------------------------------+
| Animate Random Seed / ``Animate_Random_Seed``   | Boolean | Off                  |                              |
+-------------------------------------------------+---------+----------------------+------------------------------+
| Log Verbosity / ``Log_Verbosity``               | Choice  | Off                  | |                            |
|                                                 |         |                      | | **Off**                    |
|                                                 |         |                      | | **Level 1**                |
|                                                 |         |                      | | **Level 2**                |
|                                                 |         |                      | | **Level 3**                |
+-------------------------------------------------+---------+----------------------+------------------------------+