Houdini VFX Knowledge Base¶

Directory Structure¶

/opt/data/knowledge-base/houdini/
├── vfx/                          # Original tutorials & diagrams
│   ├── README.md
│   ├── coin-transformation-diagram.excalidraw
│   ├── houdini21_coin_3stage_transformation_tutorial.md
│   └── houdini21_instance_morphing_research.md
└── cgwiki/                       # Tokeru CGWiki (54 pages, 1.4MB)
    ├── README.md                 # Detailed index
    ├── houdinivex1.md            # VEX basics (46K)
    ├── houdinivex2.md            # VEX intermediate (39K)
    ├── houdinivex3.md            # VEX advanced (33K)
    ├── houdinidops.md            # DOPs dynamics (124K)
    ├── houdinivellum.md          # Vellum sim (55K)
    ├── houdinilops.md            # LOPs/Solaris (95K)
    ├── houdinitops.md            # TOPs/PDG (79K)
    ├── houdinikinefx.md          # KineFX (43K)
    ├── houdiniapex.md            # APEX rigging (44K)
    ├── houdinicrowd.md           # Crowds (43K)
    ├── houdinivolumes.md         # Volumes (24K)
    ├── joyofvex01.md-joyofvex20.md  # Joy of Vex series
    └── ... (see cgwiki/README.md for full list)

Quick Access¶

Need	Location
Coin transformation tutorial	`vfx/houdini21_coin_3stage_transformation_tutorial.md`
Node diagram (open at excalidraw.com)	`vfx/coin-transformation-diagram.excalidraw`
VEX learning (progressive)	`cgwiki/joyofvex01.md` through `joyofvex20.md`
DOPs dynamics reference	`cgwiki/houdinidops.md` (124K - most comprehensive)
Vellum reference	`cgwiki/houdinivellum.md` (55K)
LOPs/Solaris/USD reference	`cgwiki/houdinilops.md` (95K)
APEX reference	`cgwiki/houdiniapex.md` (44K)
VEX cheat sheet	`cgwiki/vexcheatsheet.md` (8K)
Solver SOP patterns	`cgwiki/the_solver_sop.md` (33K)
Copy stamping deep dive	`cgwiki/copy_stamps_rotation_hscript_vex_a_ramble.md`

Skill Reference¶

general-vfx-research skill — Contains organized VEX code, workflow summaries, and CGWiki index
Loaded automatically when researching VFX techniques, MetaHuman, or procedural workflows