Programmatic high-contrast colour generation

cortex-lab / phy

phy: interactive visualization and manual spike sorting of large-scale ephys data

BSD 3-Clause "New" or "Revised" License

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Programmatic high-contrast colour generation #105

Closed nippoo closed 9 years ago

nippoo commented 9 years ago

Generate a list of colours automatically based on highest-contrast between neighbouring colours (see http://devmag.org.za/2012/07/29/how-to-choose-colours-procedurally-algorithms/).
Return white/black highest contrast text (several algorithms to do this!)
Needs to be colourblind-friendly
Can specify "must be bright" or "must be dark" or "must be neutral" - high-contrast with black or white, or both

rossant commented 9 years ago

see https://github.com/kwikteam/phy/blob/master/phy/utils/_color.py#L26

rossant commented 9 years ago

Maybe add:

Generate manually a colormap of 10-20 (even 30?) colors that are:
- light enough to be well visible on a black background
- color n should be quite distinct from color n+1

We'll use this colormap when assigning colors to new clusters.

rossant commented 9 years ago

@nippoo It might be sufficient to generate a single colormap that has all required properties. The first selected cluster will get the first color, the second one the second color, etc.

rossant commented 9 years ago

There now is a good enough colormap