You are here: Reference Guide > Color Nodes > CMSTestPattern

CMSTestPattern

This node generates calibration patterns for color management. You should run the output of this node through a color management node and then render the result with a GenerateLUT node. This way, you can produce 1D and 3D lookup table (LUT) files for various programs:

1D LUTs assume that the primary color channels (red, green, and blue) are independent, and the output for a particular primary color (for example, red) only depends on the input value of that channel (rather than the values of all three channels). For each input value, there is one output value. 1D LUTs are represented by a curve. They are useful for quickly creating an image for viewing purposes, using less processing power, but they cannot be used to adjust saturation independently of brightness.

In 3D LUTs, the output values of each primary color channel are calculated based on the input values from all three channels (red, green, and blue). For each input value, there are three output values. This is represented by a 3D grid or cube. 3D LUTs can adjust saturation and brightness together, and are very useful for emulating a particular known look, such as Cineon.

Related Topics IconRelated Topics