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The LUT Cube Creator node
LUT Cube Creator Node Introduction
The LUT Cube Creator generates an image for further use with the LUT Cube Analyzer or LUT Cube Apply nodes. The output can be graded, color corrected, or modified with any tool inside and outside of Fusion. If working outside Fusion, make sure to keep the image in 32-bit floating point to preserve color accuracy.
Feeding the original LUT Cube Creator image into the LUT Cube Analyzer node results in an unaltered, or 1:1, LUT file, and nothing is displayed in the viewer.
Inputs
There are no inputs on the LUT Cube Creator. The purpose of the node is to generate an image that can be used to create a LUT.
Basic Node Setup
The example below shows a node tree starting with a LUT Cube Creator node and going through two color adjustments. The adjusted image is then connected into a LUT Cube Analyzer that generates the LUT file.
Generating a LUT starts with the LUT Cube Creator and ends with a LUT Cube Analyzer.
Inspector
LUT Cube Creator controls
Controls Tab
The Controls tab creates a test pattern of sorts used to create a 3D LUT. The controls here determine the complexity of the pattern used to create a LUT using the LUT Cube Analyzer.
The Type menu is used to create a pattern of color cubes.
— Horizontal: Creates a long, horizontal strip representing a color cube.
— Vertical: Creates a long, vertical strip representing a color cube.
— Rect: Creates a rectangular image, as depicted below, representing a color cube.
A Cube image created with the Rect type
The resulting color cube