8.25. Extract Component

8.25.1. 概述

图 16.196. Extract Component applied

Extract Component applied


Extract Component applied

Command Extract Component applied with default options.

8.25.2. 激活命令

  • You can find this command in the image window menu under ColorsComponentsExtract Component….

8.25.3. 选项

图 16.197. Extract Component command options

“Extract Component” command options

Presets, Preview, Split view

These options are common to GEGL-based filters. Please refer to 第 2 节 “Common Features”.


Component to extract. Default is RGB Red: all layer pixels that have the red component in their color will be extracted to create gray pixels; gray pixel value is that of the red channel (e.g a 153;70;17 RGB pixel will give a 153;153;153 gray pixel).


Invert the extracted component.

Linear input

Use linear input instead of gamma corrected.

8.25.4. Using Extract Component

What can we do with that?