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A project for visualizing and sending rgb data to leds in 3D arrays. Arbitrary arrangements of led strips can be set up with SOP geometry. SOP point color (Cd) is used for sampling led color.
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README.md

TD-pixelMappingLEDs-3D

LED mapping with arbitrary 3D Geometric arrangements. Uses SOP Point Color attribute and Group SOP bounds to control colors.

This is a visualizer but also has the ability to send the rgb color data out to your led controller.

screenshot

The SOP geometry determines the addressing for your leds.

For example with this box arrangement shows the led pixel indices.

screenshot

There's a DAT named LEDRGBData. This has all the rgb data in three columns: Cd(0),Cd(1),Cd(2), which correspond to R,G,B. So the first row corresponds to the RGB data of the led address of 0. The second row is the RGB data for the address 1, and so on.

screenshot

This DAT data can then go directly out to your led controller.

See here for a Depth Peel + GLSL method: https://github.com/wuestenarchitekten/collection/tree/master/LEDCubeRender

(actually that seems to be some method based on Depth Peeling, but ratherhave multiple cameras instead of multiple peels. The basis for a true Depth Peel method can be found here: link)

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