Quicktip: Visualizing Flight Paths

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The past decade has seen a wealth of data visualization elements in UI design, movie sets and motion graphics. When it comes to creating these elements you’re left with two approaches: faking it vs. the real thing. In this quicktip we’re doing the real thing when it comes to flight data. We’re taking publicly available airport and route data and model the (usually) invisible lines that connect our world by air travel.
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Connect The Yarns – With the PBD Solver

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This time Manuel is talking about a straightforward way of dynamically connecting simulated yarns. Although, this can be achieved with the wire solver this tutorial uses the PBD solver (grains) in Houdini to simulate the yarns, as it’s easier to work with and gives nice results, quickly. Especially as collisions between yarns are not important here.
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VEX in Houdini: Diffusion Limited Aggregation (Plus Rendering in Mantra & Redshift)

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When we saw Andy Lomas’ “Aggregation” series a few years back we were struck. How could you generate those intricate particle sculptures? The series’ title hinted at one possible solution: Diffusion limited aggregation or DLA. In this tutorial we’ll build a basic DLA setup using VEX and volumes. Also we’ll talk a bit about rendering our result in Mantra and Redshift.
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FMX Special: A Point Based Growth Solver

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Tutorials
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At FMX 2017 Entagma had the pleasure to talk as part of “Houdini Day”. Among other things we explained how to create a propagation growth solver. Here we’ll show how to build this setup. We introduce the concept behind propagation growth and implement the solver in VEX. It is point based although one might want to implement it directly in volumes. The point approach is simpler to tackle, though.

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Easy Soap Film Shader

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By far the most frequent question we received after our minimal surfaces tutorial was “how do you build that bubble shader?”. The wait is over – in this tutorial we’ll go over how to build a plausible soap film shader in Houdini’s Mantra and Octane standalone.
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