Pragmatic VEX: Volume 1 [4K] [H20]

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Pragmatic VEX is a highly planned, highly edited series aimed to increase the technical capacity of the artists and TDs. This series will enable you to tackle more complex production shots with complete control and ease by acquiring a deeper technical understanding of how things work in Houdini at the lowest level with a strong applied focus on high-end feature film visual effects production.

Created by Yunus "animatrix" Balcioglu, currently a Senior FX Technical Director at Industrial Light & Magic. Feature film credits include The Lord of the Rings: The Rings of Power, Marvel's Eternals, Star Wars: The Rise of Skywalker, X-Men: Dark Phoenix, X-Men: Apocalypse, Aquaman, Alien: Covenant, Pirates of the Caribbean: Dead Men Tell No Tales, Justice League and many more.

Pragmatic VEX is a carefully structured course where every single topic, concept and idea is planned in advance with no idle moments, dead space, gratuitous talking or unplanned debugging for what should have been done offline. Everything is presented in a clear and concise manner, rather than impromptu recording with little to no editing, bloating the total runtime. Every topic is clearly explained through live concept drawings before showing how to implement it inside Houdini.

Provided in this course are over 15 hours of high-density practical video content spanning 163 videos.

Almost all cook times and idle moments are edited out, and some parts are sped up (2-5x) like concept drawing, code writing, viewport/network navigation, and node layout, etc. The focus is on quality rather than total running time, and as such the course length is not the best way to estimate the actual value.

That's why I don't spend 1 hour explaining what a string is, or how to call a function as there are so many resources online covering those to exhaustion. They will be assumed knowledge.

If you feel that, at any point, you are lacking some prerequisites, I would highly recommend referring to Houdini documentation. Entagma also has good videos covering the fundamentals.

I tried to cover as many areas that have relevant areas to have a solid volume with a similar theme and flow, that not only progressively scales up on complexity and intricacy, but is also filled with countless practical production-proven tips and tricks from beginning to end.

Topics covered:

• Point Clouds, Smooth Point Cloud Filtering, Grid Based Point Cloud Lookup (pgfind), Camera Based Occlusion with Variable Pscale, Point Relaxation, Uniform Point Distribution Over Polygonal Surfaces, Self Proximity, Tighter Packing, Clustering, Geometric Advection
• Unique Pair Matching, Operator Decoupling, Kernel Code Generalization, Generic VEX Kernels, Unrolling For Loops, Parallellizing Geometry Creation
• Convolution Kernels, Blurring Attributes, Sharpening Attributes, Cubic Hermite Interpolation (smoothstep), Shaping Functions, Gradient, Gradient Ascent/Descent & Contour Lines on Planar/Arbitrary Geometry & Heightfields, Streamlines, Tracing Curves, Geometry Traversal, Flowlines
• K-Depth Neighbours Using Edges & Primitives, Half-Edges, Splitting Edges, Edge Divide, Optimizing Edges
• Orthonormalization, Quadtrees, Subdivision Limit Surface, Limit Surface Sampling, Adaptive Subdivision, Improved OpenSubdiv Catmull-Clark Subdivision Surfaces Algorithm, Bilinear Subdivision, Catmull-Clark Subdivision, Boundary Rules
• Custom Fusing in VEX, Attribute Preservation & Interpolation, Group Preservation
• Sea Caustics, Pool Caustics
• Generic HDA Design, Performance Profiling & Aggressive Performance Optimizations
• Hashing

Software: Houdini 20
Length: Over 15 hours
Number of Videos: 163

Special thanks to Jeff Lait and Mark Elendt.

Korean translation (WIP) by Seona Hwang.

Rendered using Redshift.

Sponsored by ASUS, Wacom, Redshift and Camtasia.