#Houdini21 #liverender #sidefx #jltools
In Houdini 21, the new Live Render node introduces a much cleaner and more efficient way to handle lookdev in Solaris.
In this video, I walk through how Live Render works, why it exists, and how it solves some of the biggest workflow issues with viewport rendering — especially the constant back-and-forth between cameras, lighting setups, and render previews.
Instead of re-rendering every time you move the camera or tweak a material, Live Render lets you keep your viewport lightweight while rendering continuously in the Render Gallery, giving you a dedicated space for evaluating lighting, materials, and composition.
I’ll show you:
Why viewport rendering can slow down lookdev in Solaris
How to set up the Live Render node step by step
How Live Render reduces resource usage while staying interactive
Using render regions for focused lookdev
Running multiple Live Render nodes at the same time
Testing materials under different lighting contexts without constant switching
Using local overrides for lights, shaders, cameras, and render settings
Feeding Live Render directly into COPs for live compositing and AOV previews
This isn’t about skipping work or automating lighting setup, it’s about removing context switching so you can make faster, clearer decisions during lookdev.
If you’re doing lighting, shading, or product-style lookdev in Houdini 21, this node is a game changer once it’s part of your workflow.
If you’d like to see a follow-up on how I automate material setup and lookdev using JL Tools, let me know in the comments.
0:00 Intro
3:13 Live Render Quick Look
5:24 Live Render Setup
8:43 Live Render Overrides
10:05 Dual Render Views
12:33 Cop Network Live Render Setup
17:23 Next Video