Intro to Houdini VOPS from Adam Swaab

 
Houdini VOPS is a powerful multi-threaded environment for building tools and components of tools in Houdini.

This tutorial goes through the ins and outs of VOPS, going through many short examples to get you ready to harness the full power of VOPS. We also do a quick intro to pure coding in vex, as vex is the underlying language of VOPS.

In the final chapter, we show how to create our version of a polygon effector, similar to one you may see in Cinema 4D.

Vol.7- Intro to VOPS is really good, get cracking.

Intro to Houdini VOPS : Course Breakdown

 
Chapter 01 : INTRODUCTION

Chapter 02 : VOPS CONTEXT EXPLANATION
Look at how points are processed in VOPS and do a simple example to get your feet wet.

Chapter 03 : RANDOMNESS
VOPS provides easy ways to add randomness. In this chapter we look at how to use the random VOP and interpret its output in different ways.

Chapter 04 : NOISE
Take a look at 1, 3, and 4 dimensional noises in VOPS.

Chapter 05 : DISPLACEMENT
Learn how to displace geometry around it’s surface normals or along an arbitrary vector.

Chapter 06 : LOOK-AT
In this chapter, we create a simple look-at (or targeting) setup.

Chapter 07 : CROSS-PRODUCT
Cross products have a variety of uses in 3D. Here, we show a simple example of what a cross product is and why it is useful.

Chapter 08 : ROTATING NORMALS
Using our knowledge of cross products, we show how to rotate geometric normals perpendicular to their up vectors.

Chapter 09 : RAMPS
We show how to set up and use ramps in VOPS.

Chapter 10 : DOT PRODUCTS
Like cross products, dot products have many uses in 3D. We show how dot products can be used to put snow on a mountain.

Chapter 11 : IMAGE PROCESSING
We show how to read and apply textures in VOPS, as well as how to do basic image processing.

Chapter 12 : RAY PROJECTION
We show two ways of projecting points onto the surface of an object.

Chapter 13 : POP VOP
In this example we show to get particles to stick to their source emitter and then be released gradually after some time has elapsed.

Chapter 14 : VOLUME LOOKUPS IN POPS
We show how to have particles swirl along the surface of an object, using volume sampling to constrain the particles to the surface.

Chapter 15 : POINTS CLOUDS
Point clouds are discussed in detail, and we build an example to draw lines between the closest points of two pieces of geometry.

Chapter 16 : POINT CLOUDS USING WRANGLE & VEX
We recreate our point cloud example in pure vex code, getting our first taste of pure scripting in an attribute wrangle.

Chapter 17 : VEX PRIMER
This chapter is a very simple and basic primer of vex.

Chapter 18 : POLYGON EFFECT
For this final chapter, we bring together several of our earlier techniques to create a polygon effector in VOPS.

PLEASE NOTE : This course has been created for Houdini 15+ – There will be no compatibility issues with 15.5

Houdini Training : learn. Jumpstart Vol. 7 – Intro to VOPS

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Additional Titles in the learn. Jumpstart Series

Vol.1 | Get started with the fundamentals of procedural modelling in Houdini from Adam Swaab.	Vol.2 | Look further into the copy sop & how to use it correctly to add variation & randomness to copied objects.	Vol.3 | Create a simple bowling alley simulation using dynamics in Houdini & learn about DOPS & SOPS.
Vol.4 | Explore a variety of particle setups, starting from a simple system, building to more intricate setups.	Vol.5 | In this tutorial, get your CG feet wet with Adam Swaab’s ‘Jumpstart’ foray into fluid simulations.	Vol.6 | Learn how to wrangle & control Houdini Pyro Effects during 5+ hours of content, over 3 project based tutorials.
Vol.7 | Learn the ins & outs of VOPS & get ready to harness it’s full power, plus an intro to pure coding in VEX.	Vol.8 | Get up & running with Houdini’s Mantra render engine in this intro to Houdini Lighting & Rendering.