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I am trying to create a Geometry Nodes setup which would "blur" or even out the positions of a set of instances. I had the idea to run the position node through a Blur Attribute and connect it into the Position input of a Set Position node. But that doesn't do anything.

This is a simplified version of what I was attempting. My hope was that "blurring" the Y axis would cause the objects to line up in the Y axis given high enough blur iterations.

enter image description here

I am not sure if the question makes sense. Let me know if clarification is necessary.

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  • $\begingroup$ That should work. What is your complete node setting? But if they are instances, they cannot be changed as instances. $\endgroup$
    – lemon
    Commented Jan 11 at 8:38
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    $\begingroup$ Please share the the nodes you have as far, and a .blend file. $\endgroup$
    – Martynas Žiemys
    Commented Jan 11 at 8:41
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    $\begingroup$ Blur needs some notion of neighbours.. so will work only on meshes and curves, as I understand it. That blur-able geometry could originate in the way the instances were originally distributed, or be reconstructed, . The former would be easier, if available.. how were the instances distributed in the first place? $\endgroup$
    – Robin Betts ♦
    Commented Jan 11 at 9:17
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    $\begingroup$ @RobinBetts yeah, I also imagined that "neighbours" might be necessary. I edited the original post a bit. As you can see my "instances" are actually a bunch of objects in a collection. So I guess it is the more complicated case from the two you mentioned. $\endgroup$
    – CGDive
    Commented Jan 11 at 12:25
  • $\begingroup$ why don't you just set Y from median point? $\endgroup$
    – Crantisz
    Commented Jan 11 at 12:32

1 Answer 1

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Here is how you can set median point position in Y coordinate for each instance:

enter image description here

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