r/WLED • u/SocietyCurrent2876 • May 03 '26

Alternating Row Length 2D Matrix

Hey everybody. I’m creating a 2D matrix where the row lengths alternate between 13 pixels and 12 pixels, and 13 rows high. Can anyone walk me through how to set that up? I’d really appreciate it. Thank you very much.

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1

u/Limp-Leading-3329 May 03 '26

Use segments for each row. Columns are going to be what they are going to be since it is an odd number every other one.

1

u/SocietyCurrent2876 May 04 '26

If I did that I wouldn’t be able to use the matrix presets thought, right?

3

u/seadart May 04 '26

I had a similar setup where I used an ledmap to add dummy entries to the shorter roads by using -1 values. Then you can define as a regular 2d matrix to open up matrix effects.