Splitting a ws2812b strip via logic

[skazal]

Is there a way to create an Adafruit_Neopixel strip object that splits a ws2812b NeoPixel strip into multiple 'virtual' strips? For example, I want to use a single ws2812b strip with 48 pixels as four 12 pixel strips mapping virtual-pixel 0 to physical strip pixels 0, 12, 24, and 36. Taking that further, I'd also like to use a strip of 48 pixels and re-map the start and end of each virtual segment so that I could redefine the logical beginning and end pixel for each virtual strip. One use case would be group virtual strips logically into mirrored pairs (each half of a pair moves in the opposite direction).

[dastels]

I was sure there was something in terms of an Adafruit library for that (in CircuitPython) but I can't find it now.

I did something prior to hearing anything about that which might help: https://github.com/dastels/circuitpython_neopixel_zones.
It lets you slice a strip into sections and use each one independently as if they were individual strips. It doesn't support sections going backwards. Adding that is mostly some math to account for the reversed direction.

Dave