0001722: Reduce Color Banding when rendering gradients

ID	Project	Category	View Status	Date Submitted	Last Update

0001722	NoesisGUI	C++ SDK	public	2020-06-11 11:24	2022-03-07 19:27

Reporter	jsantos	Assigned To	jsantos
Priority	normal	Severity	feature
Status	assigned	Resolution	open
Product Version	3.0

Summary	0001722: Reduce Color Banding when rendering gradients
Description	The following articles propose using dithering in the pixel shader to reduce banding artifacts: https://observablehq.com/@mattdesl/perceptually-smooth-multi-color-linear-gradients http://www.visualextract.com/posts/color-banding/ The first one also comments about using spline interpolation to improve smoothness.

Platform	Any

jsantos 2021-04-05 17:19 manager ~0007141	Shadertoy doing dithering https://www.shadertoy.com/view/ll2GD3

jsantos 2022-01-17 20:46 manager ~0007743	Oklab space gradients https://aras-p.info/blog/2021/11/29/Gradients-in-linear-space-arent-better https://raphlinus.github.io/color/2021/01/18/oklab-critique.html

jsantos 2022-03-07 19:26 manager ~0007833 Last edited: 2022-03-07 19:27	somehow related, our app framework could expose a resource dictionary with named "gradients". https://webgradients.com/ And our color picker, could expose collections like this https://coolors.co/palettes/trending

Date Modified	Username	Field	Change
2020-06-11 11:24	jsantos	New Issue
2020-06-11 11:24	jsantos	Assigned To	=> jsantos
2020-06-11 11:24	jsantos	Status	new => assigned
2021-04-05 17:19	jsantos	Note Added: 0007141
2022-01-17 20:46	jsantos	Note Added: 0007743
2022-03-07 19:26	jsantos	Note Added: 0007833
2022-03-07 19:26	jsantos	Note Edited: 0007833
2022-03-07 19:27	jsantos	Note Edited: 0007833