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Workshop

Introduction to Katana

A Workshop
by Taeyoung Kim

From Lighting Template in Katana to Final Render in Arnold With Taeyoung Kim

intermediate
3h 47m 3s
41 Lessons
A Workshop
by Taeyoung Kim
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Katana is a powerful lighting and look-development application used across the globe by many studios, both large and small. Learning Katana independently or setting up a project from scratch can bring about many challenges. This 4-hour workshop by Senior Lighting & Look Dev TD Taeyoung Kim walks through all the basics of Katana and explains how to create a lighting template that can be used for your own shots.


This detailed workshop covers how to create simple yet useful tools inside Katana that will improve your workflow. Using the lighting template that is created through the workshop, Taeyoung then lights a simple shot and renders it out with AOVs using Arnold. He also shares his industry tips for setting up accurate lighting using an HDRi and a backplate. Using renders from one of the shots, Taeyoung then shares how to work with the AOVs and pull everything together in Nuke.


By completing this workshop, you will develop a sound understanding of how to work in Katana as well as how to render images that you can take into any compositing software.


The project files supplied with this workshop include all the .macro files and assets demonstrated throughout the training videos.

41 Lessons

01IntroductionFree

This workshop by Tony Ianiro gives artists a practical foundation in Katana through real-world production workflows. Creating reusable templates and custom tools reflects industry standards for efficiency. By encouraging artists to build custom setups rather than using pre-made files, Tony ensures a deeper understanding of Katana's capabilities and optimization strategies.

Duration: 41s

Introduction
02The Katana InterfaceFree

This lesson breaks down the Katana interface for new users by explaining the default layout and demonstrating how to customize the workspace. Tony explains that understanding these fundamental navigation controls establishes a solid foundation for lighting and rendering workflows. The ability to save layouts ensures users maintain personalized workspaces across sessions.

Duration: 7m 55s

The Katana Interface
03Building & Lighting a Simple Scene in Katana

Mastering basic node operations is crucial for working efficiently in Katana. Tony encourages practice with these tasks, as they form the foundation for complex workflows. By building a simple rendered scene from scratch, beginners gain hands-on experience and understand how elements connect to produce a final render.

Duration: 13m 58s

Building & Lighting a Simple Scene in Katana
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04Exploring Lighting Templates in Katana

This lesson introduces building a professional lighting template in Katana to streamline the rendering workflow. Tony provides a framework covering asset import to final render output, emphasizing efficiency. By creating this template, artists focus on creative lighting rather than technical infrastructure.

Duration: 4m 40s

Exploring Lighting Templates in Katana
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05Group/Group Stack/Group Merge in Katana

Understanding the three grouping methods in Katana is essential for organizing complex networks. Tony shows that each serves a different purpose: Group for organization, Group Merge for same-type nodes, and Group Stack for sequential chains. This knowledge prepares users for building complex lighting templates.

Duration: 5m 2s

Group/Group Stack/Group Merge in Katana
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06Building a Lighting Template in Katana

By creating a logical node structure, the template provides an efficient workflow for importing assets and managing render settings. Tony demonstrates how a modular approach allows for easy navigation and modification, setting the stage for building custom macros.

Duration: 10m 42s

Building a Lighting Template in Katana
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07Macros: Polymesh to Subdmesh

Creating macros streamlines repetitive tasks and promotes consistency. By building reusable node groups, artists eliminate tedious setup work. Tony uses a macro for subdivision surface conversion as a practical example of leveraging the expression system to build production-ready tools.

Duration: 9m 53s

Macros: Polymesh to Subdmesh
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08Macros: Render Resolution & Render Quality

Combining switch nodes and user parameters lets users build intelligent tools that adapt based on selections. Tony focuses on how macros serve as starting points that can be expanded with additional parameters for complex rendering scenarios.

Duration: 13m 37s

Macros: Render Resolution & Render Quality
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09Macros: Screen Windows

The macro in this lesson provides an efficient way to manage screen windows across multiple cameras. Automating aspect ratio calculations eliminates the need for manual adjustments. Tony demonstrates best practices for creating user-friendly tools with dynamic parameter visibility.

Duration: 9m 36s

Macros: Screen Windows
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10Macros: Motion Blur

This lesson showcases a streamlined workflow for managing motion blur in Arnold by consolidating settings into one control. Tony demonstrates a three-option setup that gives artists flexibility to render blur or generate vector passes without manual adjustments. This custom tool improves efficiency and reduces errors.

Duration: 5m 32s

Macros: Motion Blur
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11Assembling & Lighting a Shot

This lesson covers a basic lighting setup in Katana, emphasizing scene organization and flexible asset management. Tony demonstrates techniques for matching CG elements to photographic plates through HDRI manipulation. By following these best practices, artists build efficient lighting setups that adapt to pipeline requirements.

Duration: 24m 2s

Assembling & Lighting a Shot
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12Macros: Light AOVs

Creating light AOVs gives compositors flexibility to adjust lighting without re-rendering. Tony shows how building a reusable macro with user parameters allows artists to quickly generate AOVs for any light source. This workflow is critical for meeting production deadlines and creative requirements.

Duration: 11m 28s

Macros: Light AOVs
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13Working with Materials in Katana

An efficient material workflow for character lighting is established by leveraging parent-child relationships. Tony demonstrates how this approach allows for global changes while maintaining flexibility for variations like car paint or chrome finishes.

Duration: 12m 27s

Working with Materials in Katana
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14Network Material & Camera Projection

This lesson demonstrates essential techniques for realistic CG integration, with a focus on handling shadows and reflections. Tony shows how camera projection for environment materials and rendering separate passes allows for photorealistic results. Reflections must account for scene shadows to ensure contact points look believable.

Duration: 9m 26s

Network Material & Camera Projection
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15Setting Up Color & Utility AOVs

Creating multiple AOVs is essential for flexible compositing workflows. Tony explains the difference between built-in AOVs and custom light path expressions, allowing artists to tailor render outputs. The ability to tweak expressions provides greater control over the final process.

Duration: 9m 51s

Setting Up Color & Utility AOVs
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16Macros: Activating & Deactivating AOVs

In this lesson, the instructor presents an efficient workflow solution for managing render passes by creating a customizable AOV macro with selective activation. Tony implements a checkbox-controlled switch system, allowing artists to activate only the needed AOVs. This approach provides flexibility and efficiency for various production shots.

Duration: 7m 32s

Macros: Activating & Deactivating AOVs
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17Macros: Setting Up the Render Location Base

Setting up proper render output paths is essential for keeping files organized. Tony shows how a systematic approach using expressions creates a flexible structure that organizes renders by project and AOV type. Understanding this process allows artists to establish professional workflows for personal projects.

Duration: 13m 42s

Macros: Setting Up the Render Location Base
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18Macros: Finalizing the Render Location with an OpScript

The OptScript macro provides an automated solution for AOV naming conventions. Tony shows how a reusable macro updates render pass names based on the connected node. This approach streamlines the workflow and reduces potential naming errors.

Duration: 12m 35s

Macros: Finalizing the Render Location with an OpScript
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19Disk Render & Batch Render

Katana provides essential knowledge for production rendering, emphasizing the distinction between preview and final disk renders. Tony explains that a command-line batch rendering workflow is crucial for rendering frame sequences efficiently.

Duration: 7m 14s

Disk Render & Batch Render
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20Lighting a Full-CG Shot

Lighting and rendering full CG shots with multiple render passes is highlighted for maximum control. Tony demonstrates building lighting from an HDRI base to focused spotlights. This approach maintains proper interactions while allowing individual control over effects in post-production.

Duration: 27m 56s

Lighting a Full-CG Shot
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21Working With Renders in Nuke & Conclusion

In this final lesson, artists learn to combine render passes into a polished image. Tony demonstrates technical methods for depth control and lighting adjustments. Applying these techniques to personal projects is presented as the best way to build confidence with compositing tools.

Duration: 9m 14s

Working With Renders in Nuke & Conclusion
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Primary tools

For this workshop you’ll need:

Nuke
Katana
Arnold

* Note that these programs and materials will not be supplied with the course.

Project Files

When you download the workshop files, you'll get access to a comprehensive Katana lighting and rendering project. This will give you everything you need for professional lighting techniques and how they are broken down. Inside, you'll find:


  • Katana project files (.katana) – Complete scene setups ready to open and explore in Katana
    - 3D geometry and assets (.abc) - Character models (.abc files) and HDRI environments for realistic lighting
    - Extensive render passes (.exr) - Over 20 beauty and shadow passes, including diffuse, specular, lighting, and utility renders to study professional compositing workflows
    - Custom macros & tools (.macro) - Pre-built Katana macros to streamline your lighting and rendering process

Skills Covered

Who’s this Workshop for?

This workshop is intended for intermediate to advanced 3D artists, lighting TDs, and look development artists who want to master Katana's powerful lighting and rendering capabilities. It can be particularly valuable for professionals working in VFX studios or those transitioning from other lighting applications.


Junior artists and technical directors will also benefit significantly from this comprehensive training. The workshop provides industry-standard workflows and practical techniques that bridge the gap between lighting, rendering, and compositing, making it essential for anyone seeking to enhance their production pipeline skills.

Learning Outcomes

By finishing this workshop, artists will have developed comprehensive Katana skills and established efficient lighting workflows for professional production environments.


Key skills include:

  • How to navigate Katana's interface and set up projects from scratch effectively.
  • How to create reusable lighting templates that streamline shot production workflows.
  • How to build custom tools and macros within Katana for improved efficiency.
  • How to establish accurate lighting setups using HDRi environments and backplates.
  • How to render multi-pass images with Arnold, including proper AOV setup.
  • How to integrate Katana renders with Nuke for seamless compositing workflows.

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Workshop
Introduction to Katana
From Lighting Template in Katana to Final Render in Arnold With Taeyoung Kim
A Workshop by Taeyoung KimSenior Lighting & Lookdev TD at Sony Pictures Imageworks
intermediate
3h 47m
41 Lessons
Instructor Taeyoung KimSenior Lighting & Lookdev TD at Sony Pictures Imageworks

Taeyoung Kim is an accomplished lighting and look development technical director with a strong foundation in traditional drawing and painting. Transitioning seamlessly into the digital realm, he specializes in scripting and tool creation to optimize workflow efficiency. His credits include high-profile films such as Vivo, Spider-Man: Into the Spider-Verse, Smallfoot, Alice Through the Looking Glass, and Night at the Museum: Secret of the Tomb.


In addition to his work on major productions, Taeyoung is a dedicated educator, sharing his expertise through tutorials and workshops. He has a particular passion for developing macros and OpScripts that streamline complex lighting and look development processes, blending artistry with technical innovation.

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  • I have worked with Taeyoung for over five years, and he has always been a kind and helpful colleague. He is one of my go-to people when I need help with Macros and OpScripts, and is talented in both lighting and look development.

    - Shreyasi Das
    Senior Look Development Artist at Sony Pictures Imageworks

  • I have worked with Taeyoung for more than 5 years. I only have good things to share about him. His technical knowledge and creative eyes are very competent. Whenever I hit a rock with problems, I always bug him, and he always says I will take a look and resolve it the next minute. A very trusted friend and colleague. You will never regret having a friend, colleague, or mentor like him.

    - Lee Chia Tan
    Lead Lighting TD, Sony Pictures Imageworks

  • I have known Taeyoung since he started at SPI. His calm demeanor and helpful attitude, along with his creative eye and technical knowledge, have always made him a great asset to any team he is on.

    - Kirean Tether
    Lead Lighting Technical Director at Sony Pictures Imageworks

  • I have worked with Taeyoung for more than five years. I only have good things to share about him. His technical knowledge and creative eyes are very competent. Whenever I hit a rock with problems, I always bug him, and he always says, "I will take a look and resolve it the next minute.". You will never regret having a friend, colleague, or mentor like him.

    - LeeChia Tan
    CG Supervisor at Sony Pictures Imageworks

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