ColorMatrix node — Natron 2.5.0 documentation

# ColorMatrix node

This documentation is for version 2.0 of ColorMatrix (net.sf.openfx.ColorMatrixPlugin).

## Description

Multiply the RGBA channels by an arbitrary 4x4 matrix.

## Inputs

Input | Description | Optional
--- | --- | ---
Source |  | No
Mask |  | Yes

## Controls

Parameter / script name | Type | Default | Function
--- | --- | --- | ---
Output Red / `outputRed` | Color | r: 1 g: 0 b: 0 a: 0 | values for red output component.
Output Green / `outputGreen` | Color | r: 0 g: 1 b: 0 a: 0 | values for green output component.
Output Blue / `outputBlue` | Color | r: 0 g: 0 b: 1 a: 0 | values for blue output component.
Output Alpha / `outputAlpha` | Color | r: 0 g: 0 b: 0 a: 1 | values for alpha output component.
Clamp Black / `clampBlack` | Boolean | On | All colors below 0 on output are set to 0.
Clamp White / `clampWhite` | Boolean | Off | All colors above 1 on output are set to 1.
(Un)premult / `premult` | Boolean | Off | Divide the image by the alpha channel before processing, and re-multiply it afterwards. Use if the input images are premultiplied.
Invert Mask / `maskInvert` | Boolean | Off | When checked, the effect is fully applied where the mask is 0.
Mix / `mix` | Double | 1 | Mix factor between the original and the transformed image.