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Is there any way to get edge path (curve) from Vertex Group ?

The desired edges

But obviusly geometry nodes setup of mine gives me not what I want.

My undesired result

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  • $\begingroup$ I'm really start thinking, that it is impossible, because is you press "select" button in vgroup you will get messy result which will be produces in geomery nodes $\endgroup$
    – Bicukow
    Mar 29 at 15:17
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    $\begingroup$ How about using an edge group (custom Attribute) instead? $\endgroup$
    – Leander
    Mar 29 at 15:20

1 Answer 1

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Leander is totally right.

You cannot use vertex groups because they don't (!) select clearly an edge. Mostly they select too much, because if two vertices of one edge are selected/weighted, the edge is selected as well, but you don't want this in this case. So what you need, is an edge attribute (selected or not).

enter image description here

So go to attributes, create an edge attribute float, select that attribute, go in edit mode, select your "path" in edge select mode -> mesh -> set attribute

enter image description here

then change your gn tree to this:

enter image description here

result:

enter image description here

note: i did not (!) use your edge selection, i created my own, so it looks different to yours.

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