Quantize node

This documentation is for version 1.0 of Quantize (net.sf.openfx.Quantize).

Description

Reduce the number of color levels per channel.

See also: https://web.archive.org/web/20210728012057/http://opticalenquiry.com/nuke/index.php?title=Color_Operation

Inputs

Input	Description	Optional
Source		No
Mask		Yes

Controls

Parameter / script name	Type	Default	Function
Colors / colors	Double	16	Number of color levels to use per channel.
Dither / dither	Choice	None	Dithering method to apply in order to avoid the banding effect. None (none): No dithering (posterize), creating abrupt changes. Ordered (Bayer 2x2) (bayer2x2): Ordered dithering using a 2x2 Bayer matrix. Ordered (Bayer 4x4) (bayer4x4): Ordered dithering using a 4x4 Bayer matrix. Ordered (Bayer 8x8) (bayer8x8): Ordered dithering using a 8x8 Bayer matrix. Ordered (void-and-cluster 14x14) (vac14x14): Ordered dithering using a void-and-cluster 14x14 matrix. Ordered (void-and-cluster 25x25) (vac25x25): Ordered dithering using a void-and-cluster 25x25 matrix. Random (random): Random dithering.
Seed / seed	Integer	2000	Random seed: change this if you want different instances to have different dithering (only for random dithering).
Static Seed / staticSeed	Boolean	Off	When enabled, the dither pattern remains the same for every frame producing a constant dither effect.
(Un)premult / premult	Boolean	Off	Divide the image by the alpha channel before processing, and re-multiply it afterwards. Use if the input images are premultiplied.
Invert Mask / maskInvert	Boolean	Off	When checked, the effect is fully applied where the mask is 0.
Mix / mix	Double	1	Mix factor between the original and the transformed image.