How to get FE based on EF?

Topology EF to FE.gh (209.5 KB)
Plugin used: Sandbox

I like to get the Face-Edge relationship based on the Edge-Face DataTree.

I am aware there are great plugins offering FE relationship of mesh, but for me, this is a problem more of DataTree manipulation than mesh geometry.
Thanks!

Hello
something like that must do the trick. I had difficulties to do it, it far more simple for me using some coding in C#.
Using tree statistic to get the branch number, indeed edge Index, but I had to suppress {}
The duplicate the edge index for each face index


construct tree EF to FE.gh (16.8 KB)

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