Adding a Brightness & Contrast node
The Brightness & Contrast node modifies the luminosity and contrast of a color map.
To add a Brightness & Contrast node, right-click in the Graph Editor and select Create Node > Color > Brightness & contrast or use the keyboard shortcut N-C-B-C: Node Color Brightness Contrast.
Select the node to open its parameters:
Editing a Brightness & Contrast node
- Brightness: Increases or decreases the brightness of the color map.
- Contrast: Increases or decreases the contrast of the color map.
For example, initial image:
Increase in brightness:
Decrease in brightness:
Increase in contrast:
Decrease in contrast:
- Channels: By default, the three channels, Red, Green and Blue, are modified. You can apply the modifications only to two channels or to a single channel by deselecting channels.
Parameters
| Parameter | Use |
|---|---|
| Brightness | Increases or decreases the brightness of the color map. |
| Contrast | Increases or decreases the contrast of the color map. |
| Channels | Sets the red, green and/or blue channels to modify. |