Houdini On Mushrooms Pt.2: Point Deform In-Depth: The LinAlg Monster

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Be careful what you whish for! 🙂 In this video we’ll be diving into the depths of Houdini’s point deform node. What superficially looks like a trivial task turns out to be a bit more involved than Mo initially hoped for. Brace yourself for some rambling about linear algbera and transformation matrices.

Here are Mo’s favorite Resources when it comes to math/linear algebra:

3Blue1Brown: https://www.youtube.com/channel/UCYO_jab_esuFRV4b17AJtAw

Introduction to Applied Linear Algebra – Vectors, Matrices, and Least Squares:

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  1. Wow, Thanks for the really in-depth exploration. After watching this i felt like a mushroom myself.
    I thought it would be more an explanation of how to use dummy Objects to drive high res objects. Like in the Lukas Vojir Houdini Hive Presentation.
    It seems that he uses an object for the sim that has nothing in common with the object that he drives with the point deformer. Besides the slicing.

    cheers Martin

  2. Ok sorry for this reply figured it out. Like i said Mushroom 😉

  3. Hey Moritz, what are the benefits of using the nearpoints function over a pcfind? Is one more performant? On the surface, it seems like they achieve the same thing.

    • Hey Michael,

      they do exactly the same thing indeed – in fact I believe that one is a wrapper for the other. Yet in most cases nearpoints() is just more comfortable to use. But in the end it comes down to personal preference. 🙂

      Cheers, Mo

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