A Technique to Reveal Points Over Time in Houdini
![](http://dev.brendandawes.com/content/05-blog/691-houdini-reveal-points/fig_poster.jpg)
I recently had a need to reveal a series of points over time, but in a random way. There's no doubt a myriad of ways to do this in Houdini, but here's what I did, making use of a Group Expression and a Sort SOP. Using a Sort SOP you can easily alter the pattern of the reveal.