29 lines
945 B
Markdown
29 lines
945 B
Markdown
|
# 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](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 * Steps) / Steps;
|
||
|
|
}
|
||
|
|
```
|