.. _eu.gmic.Selectivedesaturation:

G’MIC Selective desaturation node
=================================

*This documentation is for version 1.0 of G’MIC Selective desaturation.*

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

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                      |
+=============================================+=========+=====================+===============================+
| Reference color / ``Reference_color``       | Color   | r: 1 g: 1 b: 1 a: 1 |                               |
+---------------------------------------------+---------+---------------------+-------------------------------+
| Desaturate / ``Desaturate``                 | Choice  | Reference color     | |                             |
|                                             |         |                     | | **Reference color**         |
|                                             |         |                     | | **All but reference color** |
+---------------------------------------------+---------+---------------------+-------------------------------+
| Strength / ``Strength``                     | Double  | 3                   |                               |
+---------------------------------------------+---------+---------------------+-------------------------------+
| Regularization / ``Regularization``         | Integer | 0                   |                               |
+---------------------------------------------+---------+---------------------+-------------------------------+
| Maximum saturation / ``Maximum_saturation`` | Choice  | From input          | |                             |
|                                             |         |                     | | **From input**              |
|                                             |         |                     | | **From reference color**    |
|                                             |         |                     | | **Maximum value**           |
+---------------------------------------------+---------+---------------------+-------------------------------+
| Preview type / ``Preview_type``             | Choice  | Full                | |                             |
|                                             |         |                     | | **Full**                    |
|                                             |         |                     | | **Forward horizontal**      |
|                                             |         |                     | | **Forward vertical**        |
|                                             |         |                     | | **Backward horizontal**     |
|                                             |         |                     | | **Backward vertical**       |
|                                             |         |                     | | **Duplicate top**           |
|                                             |         |                     | | **Duplicate left**          |
|                                             |         |                     | | **Duplicate bottom**        |
|                                             |         |                     | | **Duplicate right**         |
|                                             |         |                     | | **Duplicate horizontal**    |
|                                             |         |                     | | **Duplicate vertical**      |
|                                             |         |                     | | **Checkered**               |
|                                             |         |                     | | **Checkered inverse**       |
+---------------------------------------------+---------+---------------------+-------------------------------+
| Preview split / ``Preview_split``           | Double  | x: 0.5 y: 0.5       |                               |
+---------------------------------------------+---------+---------------------+-------------------------------+
| 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                 |                               |
+---------------------------------------------+---------+---------------------+-------------------------------+
| Log Verbosity / ``Log_Verbosity``           | Choice  | Off                 | |                             |
|                                             |         |                     | | **Off**                     |
|                                             |         |                     | | **Level 1**                 |
|                                             |         |                     | | **Level 2**                 |
|                                             |         |                     | | **Level 3**                 |
+---------------------------------------------+---------+---------------------+-------------------------------+
