Panes

Documents the options in various panes.

Pane types ¶

Animation editor

View and edit animated parameters and their transitions between keyframes.
Graph view
Dopesheet
Table view
Channel list

Use the channel list to select the parameters displayed in the animation editor and timeline.
Animation layer
Motion mixer

A timeline-based view of the animation clips and motion effects of multiple characters.
Shot sculpt
Character picker

Create a 2D layout with simple buttons to select character controls in an animation scene.

Performance monitor
Python panel
PDG data layer panel
PDG path map

Manage the mapping of paths between file systems.
PDG ML training monitor

An interactive real-time data visualization tool for machine learning experimentation.

Expression functions

Expression functions let you compute the value of parameters.
Expression cookbook

Tips and tricks for writing expressions to accomplish various effects.
Python scripting

How to script Houdini using Python and the Houdini Object Model.
VEX

VEX is a high-performance expression language used in many places in Houdini, such as writing shaders.
HScript commands

HScript is Houdini’s legacy scripting language.
hwebserver

Functions and classes for running a web server inside a graphical or non-graphical Houdini session.

Command line ¶

Context options

Context options are similar to environment variables, except they are stored with the HIP file and it’s easy to use them in expressions.
Match Houdini camera lenses to the real world
Useful Internal Variables

Houdini packages

How to write and combine multiple environment variable definition files for different plug-ins, tools, and add-ons.

Houdini Engine Python API

Python wrapper of HAPI API
Houdini Engine C API
Houdini Engine SessionSync

Utility that lets you run a session of Houdini Engine inside Houdini.