forked from BilalY/Rasagar
29 lines
957 B
Markdown
29 lines
957 B
Markdown
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# Posterize Node
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## Description
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> 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.
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*[https://en.wikipedia.org/wiki/Posterization](https://en.wikipedia.org/wiki/Posterization)*
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This node returns the posterized (also known as quantized) value of the input **In** into an amount of values specified by input **Steps**.
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## Ports
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| Name | Direction | Type | Description |
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|:------------ |:-------------|:-----|:---|
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| In | Input | Dynamic Vector | Input value |
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| Steps | Input | Dynamic Vector | Input value |
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| Out | Output | Dynamic Vector | Output value |
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## Generated Code Example
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The following example code represents one possible outcome of this node.
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```
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void Unity_Posterize_float4(float4 In, float4 Steps, out float4 Out)
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{
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Out = floor(In / (1 / Steps)) * (1 / Steps);
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}
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```
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