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probiner

How to quickly triple a primitive with its centroid?

I want to add a connected point to the center of each primitive, and this is what I've came up with in Houdini:
P2QDaYK.gif

I'm used to do this a bit faster in other places, so I'm wondering if there's some practices or methods I'm missing.

LightWave3D: Make Pole command.
1HdhCWh.gif

XSI: Extrude individual components and then collapse them.
hJ60NRp.gif



Cheers

Edited by probiner

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I've found that Edge Collapse takes polygon selection but when I increase the polycount seems that Houdini dies with it, unlike with Primitive scaling and Fuse.
So I'll stick with that...

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it seems to work here with 100x100 subdivisions

Edited by asche

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Hi @asche

In the attached scene file you'll see 3 branches doing the same, centroid tripling: 
- Half-edges VEX solution, by Jake Rice.
- Inset, Primitive Scale to 0, Fuse.
- Inset and Edge Collapse.

Let me know if the third branch locks Houdini for you as it does for me. If not try 200x200 sphere.
It's a shame because it's the most straight forward one.

 

CentroidTrippling.hipnc

Edited by probiner

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Thanks @petz, this is much faster and pushes me again to study VEX.
I've updated a file on another thread.

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