Packing The Torus

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Dense packings of objects onto surfaces always look stunning. There are many analytical algorithms out there to compute such a packing. In this video we’ll explore a simulation based approach to achieve a dense packing of particles with varying radius. This is more versatile and easily allows for a nice packing animation.

We’ll quickly review the concepts of “signed distance fields” and “the gradient” to project particles onto a surface along the way. Then we’ll explore the intersect VOP to sample attributes from a foreign surface.

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15 Comments

  1. john brown says

    I’ve been wanting to know how to do this for a long time, brilliant clear tutorial thanks.

  2. Josh says

    Really stunning work guys. Thanks for sharing your insights.

  3. Christopher P Rahaim says

    Great Tutorial! Thank You for producing this!

  4. Alan K says

    This is officially my favourite website since I discovered it a few months ago.
    Absolutely fantastic tutorials guys, with great explanations along the way.
    Love it !!!

  5. Hi, thank you for the tutorial 🙂 I think you can stack the particles to the surface in a easier way using a relax node with the surface to stack on in the second input!

    • Manuel says

      Sure. There are always many ways to achieve the same result. This could work using a SOP-Solver. But I don’t think it is easier, only different. Try it and post it here! Would be interested in comparing the solutions.

  6. Wolf-Dieter Grabner says

    Very nice and interesting tutorial and also thumbs up for the tasteful website theme.

  7. Asaji says

    Wow. Such a wonderful tutorial. Even a less-experienced person like me can easily understand. The theory parts are really great. Teaches us how to solve. Amazed by the power of Houdini.

  8. Juana says

    Thank you very much for the tutorial and for the clear and precise explanations. It make it look simpler!

    I tried myself to do it but I couldn´t control the velocity. Everything was fine until the attribute wrangle to set velocity to cero. Could you please upload the file to see where was the error?

  9. Mr.Will says

    Hi, in my attempts the POP VOP needs to be after the Merge inside the POP NET. Is this right?

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