8.25. Estrai componente

8.25.1. Panoramica

Figura 16.190. Extract Component applied

Extract Component applied

Immagine originale

Extract Component applied

Command «Extract Component» applied with default options.


8.25.2. Attivazione del comando

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

8.25.3. Opzioni

Figura 16.191. «Extract Component» command options

Extract Component command options

Presets, Preview, Split view

These options are common to GEGL-based filters. Please refer to Sezione 2, «Caratteristiche comuni».

Component

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

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?