A human-readable layer on top of Houdini’s machinery.

The goal is to collect useful landmarks: ideas, concepts, workflows, and practical knowledge worth returning to when a project raises a question.

Everything here is built around one principle: understand the complexity, remove unnecessary cognitive friction, then simplify the explanation.

This is a living resource. It will grow slowly as things are learned, tested, understood, and turned into something useful to share.

If something here helps you, use it, share it, or come back to it when you need it.

A Small Note on Learning Houdini

Find me on

https://x.com/GerardoJustel

https://www.instagram.com/re1mon

https://www.artstation.com/re1mon

https://www.linkedin.com/in/gerardo-justel-ochandorena-a5b17575/

logo_houdinioversimplified.png

<aside> ⌛

LAST UPDATE: 18/9/2026

🟢 Foundational
🟡 Intermediate
🔴 Advanced

Guides

Start Here

Houdini Fundamentals 5/5 🟢

Simulation Stepping 2/3 🟢

Counting vs Measuring 🟢

WORKOUT - How Houdini Represents Time 🟢

RETIME — By Frame 🟢

RETIME — By Time 🟢

RETIME — By Speed 🟢

RETIME — Shift Range 🟢

RETIME — Fit Range 🟢

Houdini General

The Volume Concept Houdini Artists Learn Too Late Part 2/2 (Data vs Space) 🟡

Volumes Fundamentals (WIP 2 Parts so far) 🟡

****The Hidden CLAMP inside FIT 🟢

SINE: Riding the Wave 🟢

CROSS PRODUCT : Finding Direction Through Relationships 🟡

[[ NEW ]] Fit Range Explained [[ NEW ]] 🟡

[[ NEW ]] QUATERNIONS INTRODUCTION ADDED PART 5 [[ NEW ]] 🟡

[[ NEW ]] QUATERNIONS The Math behind it [[ NEW ]] (WIP) 🔴

Houdini Pyro

Pyro Sourcing: When the Operation Matters More Than You Think

Pyro Sourcing: BURN vs TEMPERATURE

Pyro Fields: DATA / MASK / CONTROL

VELLUM

Vellum Grains — with Different @pscale 🟡

FLIP

FLIP — Stick on Collision ``🟡

GSPLAT

GSPLAT QUICKSTART 🟢

GSplat Training Quick Start — Houdini + COLMAP 🔴

COPERNICUS

Thinking in Copernicus 1/6

COPERNICUS BLENDING MODES

IMPLICIT SURFACES

Implicit Surfaces

RBD - RIGID BODY DYNAMICS

🧱 H22 RBD Tearing and Denting Explained 🟡

VOPs Cheat Sheets (WIP)

VOP Most Used Nodes

VOP Advection Custom

Geometry Queries (Inspect and get attributes from different geometries)

VOP Geometry Queries

VOP Import Point

VOP Near Point

VOP MinPos

VOP PC OPEN / PCFILTER

Houdini Techniques (Soon)

Tools

Color Theme

🌑 [[UPDATED]] Perfect Dark v1.01 — Houdini 22 Color Theme [[UPDATED]]

HDAs

image.png

[[ NEW ]] HDA FIT RANGE VISUALIZER [[ NEW ]]

HDA DOT PRODUCT VISUALIZER

Volume Voxel Visualizer

Vector Visualizer

HDA Ground Fog v1.0

HDA Geometry Fade v1.0

HDA Quick Masks v1.0

HDA Dynamic @ID Creator v1.0

HDA Point Optimizer v1.0

Pocket Notes Retime

https://www.canva.com/design/DAHUHorAvNY/PT-UDK5bOzzM_laJZRDVqg/view

Pocket Notes Time & Simulation

https://www.canva.com/design/DAHTWgZFKts/dYEghExuu1emo9d3r-vKVw/view


A Small Note on Learning Houdini

Next Goals