Generate Instance

This HDA allows a user to use instancing with objects, shaders, lights and shadows.

Creating custom scripts

Creating scripts, and calling them as commands in Houdini...

Argument count

Get the number of arguments passed into a script.

If statement with expression

Evaluate a for loop based on a expression.

Evaluate expression

Using expressions in hscript.

if statements

A basic if statement in Hscript.

While and Read for user input

Get correct user input using a while loop and the read hscript command.

Foreach and Opfind

Powerful searching with foreach and opfind.

While Loops

A basic while loop in Hscript.

Foreach and Opname

Renaming a series of nodes with a foreach loop and opname.

For Loop

A basic for loop in Hscript.

Foreach Loop

A basic foreach loop in Hscript.

Dynamic Pull-Down Menus

Dynamic dropdown menu listing mantra nodes with a menu script.

HDA - OS Integration

Adding contents to HDAs and saving contents to disk from HDAs.

Running Scripts

Calling a script that is stored in a digital asset.

OPmenu

Create a custom item in the menu when you right-click on a node.

Mantra Manager

This digital asset allows users to control all mantra nodes in a file from one single interface.

Instance Hscript

A cool script written in Hscript that will setup instanced lights and objects.

Shadow Pass

Shadow pass generated in Hscript.

Reflection Pass

Hscript used to generate a reflection pass.

Matte

Hscript used to get objects to render as a matte, creating a render pass.

run

The run expression is used to execute Hscript.

Hscript VOP network

A way to make a vop network in Hscript.

string switching

Switching the values in strings to be the opposite of the other.

shop finder

Hscript that generates render passes.

rename operators

A quick way to rename operators.

Checking arguments

Checking arguments in Hscript.

Writing files

Write out a file out to disk using Hscript.

UNIX tools

Houdini to UNIX commands.

Bracing with variables

Basic bracing techniques for setting variables in Hscript.

Faking an array

Faking an array in Hscript.

system

Embed an operating system command in Hscript.

source

Execute a script from a given source in Hscript.

otcontentadd

Add files to a digital asset using Hscript.

opscript

Reference a script in Hscript.

oppwf

Print the current working node in hierarchy.

opparm

Change parameters with Hscript.

oppane

Open a new parameter editor with Hscript.

opinput

Find the name of node that is in the input of another.

opfind

Find nodes within your Houdini session with opfind.

opchange

Search and replace parameter text in Hscript.

opbop

Modify bundles in Hscript.

continue

This will continue to the next loop if the statement is true.

chls

chls lists parameters within node.

chadd chkey

Add channels and keyframes in Hscript.