ClipTest node — Natron 2.5.0 documentation

# ClipTest node

This documentation is for version 2.0 of ClipTest (net.sf.openfx.ClipTestPlugin).

## Description

Draw zebra stripes on all pixels outside of the specified range.

See also: http://opticalenquiry.com/nuke/index.php?title=Evaluating_Color#The_ClipTest_node

## Inputs

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

## Controls

Parameter / script name | Type | Default | Function
--- | --- | --- | ---
Lower / `lower` | Color | r: 0 g: 0 b: 0 a: 0 | Highlight pixels lower than this value.
Upper / `upper` | Color | r: 1 g: 1 b: 1 a: 1 | Highlight pixels higher than this value.
(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.