Posterize Node

Description

Posterization or posterisation of an image entails conversion of a continuous gradation of tone to several regions of fewer tones, with abrupt changes from one tone to another.

https://en.wikipedia.org/wiki/Posterization

This node returns the posterized (also known as quantized) value of the input In into an amount of values specified by input Steps.

Ports

Name Direction Type Description
In Input Dynamic Vector Input value
Steps Input Dynamic Vector Input value
Out Output Dynamic Vector Output value

Generated Code Example

The following example code represents one possible outcome of this node.

void Unity_Posterize_float4(float4 In, float4 Steps, out float4 Out)
{
    Out = floor(In / (1 / Steps)) * (1 / Steps);
}