The Pixelize node pixelizes its input
The Pixelize node accepts an RGBA input.
The Pixelize node generates a single RGBA texture that contains the result of the operation.
The Pixelize node accepts the following parameters:
Columns and Rows define the number of pixels in the result
Levels is the number of different levels in the R, G, B channels, and consequently define the color palette of the result
Dither is the amount of dithering in the result