Rest, VEX & Attributes

Course:
Houdini

While exploring Houdini, I learned how to use VEX to imitate the behavior of the Rest and Color geometry nodes. The Rest node simply adds a new vector to the geometry spreadsheet called 'rest' which copies over the position values (P) for each point. The Color SOP adds a "color vector" called "Cd" to the geometry spreadsheet with the RGB values you select. I demonstrate this and also show how you can name the color data anything you want, and then copy it over to a geometry using the Attribute Copy node.

While exploring Houdini, I learned how to use VEX to imitate the behavior of the Rest and Color geometry nodes. The Rest node simply adds a new vector to the geometry spreadsheet called 'rest' which copies over the position values (P) for each point. The Color SOP adds a "color vector" called "Cd" to the geometry spreadsheet with the RGB values you select. I demonstrate this and also show how you can name the color data anything you want, and then copy it over to a geometry using the Attribute Copy node.

Course Page
Course Description
With our Houdini series we'll take an exploratory approach. Playing around with all the different nodes, and trying to build interesting & challenging models and simulations. Houdini can be intimidating at first, but with a little bit of experimentation, the complexity starts to dissolve and a powerful and simple tool emerges. I hope you will learn to love Houdini as much as we do!