3.10.  Channel Mixer

3.10.1.  Overview

Figure 11.28.  From left to right: original image, after applying Channel Mixer filter

From left to right: original image, after applying Channel Mixer filter
From left to right: original image, after applying Channel Mixer filter

This filter is found in FiltersColorsChannel Mixer.

This filter combines values of the RGB channels. It works with images with or without an alpha channel. It has monochrome mode and a preview.

3.10.2.  Options

Figure 11.29.  Channel Mixer” filter options

Channel Mixer filter options

Output Channel

From this menu you select the channel to mix to. Choices are Red, Green, or Blue.It is insensitive when Monochrome option is checked.

Red, Green, Blue

This three sliders set the contribution of red, green or blue channel to output. Can be negative.

Monochrome

Sets all output channels to be the same. Makes the Output Channel menu insensitive.

Preserve Luminosity

Maintains the luminosity at 100% regardless of the channel slider settings.

3.10.3.  Buttons

Open

Load settings from a file.

Save

Save settings to a file.