Start your free trial now, and begin learning software, business and creative skills—anytime, anywhere—with video instruction from recognized industry experts.

Start Your Free Trial Now

Basic compositing

Basic compositing provides you with in-depth training on 3D + Animation. Taught by Steve Wright as p… Show More

Nuke 6 New Features

with Steve Wright

Video: Basic compositing

Basic compositing provides you with in-depth training on 3D + Animation. Taught by Steve Wright as part of the Nuke 6 New Features
Expand all | Collapse all
  1. 7m 45s
    1. Welcome
      1m 56s
    2. What is NukeX?
      5m 0s
    3. Using the exercise files
  2. 1h 11m
    1. Learning the interface
      5m 15s
    2. Drawing shapes
      1m 41s
    3. Editing shapes
      5m 1s
    4. Keyframe animation
      6m 4s
    5. Property panel tabs
      7m 8s
    6. The shape list
      4m 26s
    7. Output settings
      1m 11s
    8. Workflow examples
      5m 33s
    9. Creating garbage mattes
      4m 55s
    10. Drawing strokes
      4m 16s
    11. Editing strokes
      4m 30s
    12. The Clone tool
      1m 37s
    13. Editing the Clone tool
      2m 54s
    14. The Reveal tool
      9m 2s
    15. The Blur tool
      2m 21s
    16. The output mask
      2m 57s
    17. The Dodge tool
      2m 32s
  3. 27m 40s
    1. Basic compositing
      3m 51s
    2. Using the Screen controls
      2m 50s
    3. Using the Screen Matte controls
      3m 37s
    4. The Crop feature
      2m 28s
    5. Holdout and garbage mattes
      2m 20s
    6. The Tuning controls
      1m 58s
    7. The Bias controls
      2m 37s
    8. Screen replacement
      2m 16s
    9. Multipass keying
      4m 37s
    10. Color-correcting the foreground
      1m 6s
  4. 17m 8s
    1. Basic setup
      3m 24s
    2. The Ultimatte workflow
      5m 18s
    3. Using the matte tools
      4m 16s
    4. Spill suppression
      4m 10s
  5. 28m 9s
    1. Overview
      2m 42s
    2. Pre-processing the greenscreen
      3m 25s
    3. Creating specialized keys
      7m 14s
    4. The preliminary composite
      6m 14s
    5. Creating supplemental keys
      6m 22s
    6. Alternative workflows
      2m 12s
  6. 24m 39s
    1. Editing control points
      4m 49s
    2. Editing the warp grid
      2m 52s
    3. Keyframe animation
      4m 42s
    4. Morphing
      10m 7s
    5. Additional tabs
      2m 9s
  7. 33m 20s
    1. Drawing splines
      6m 3s
    2. Drawing open splines
      2m 0s
    3. Limiting the warp
      7m 1s
    4. Warping to a target image
      5m 54s
    5. Morphing
      8m 1s
    6. The correspondence points
      4m 21s
  8. 9m 3s
    1. The MotionBlur2D node
      5m 55s
    2. Using the VectorBlur node
      3m 8s
  9. 10m 30s
    1. The ZBlur node
      6m 34s
    2. Image-based blurs
      3m 56s
  10. 11m 13s
    1. Navigating the Dope Sheet
      5m 17s
    2. Shifting keyframes
      5m 56s
  11. 5m 22s
    1. Making a group
      2m 50s
    2. Making a gizmo
      2m 32s

please wait ...
Basic compositing
Video Duration: 3m 51s 4h 6m Intermediate Updated Feb 13, 2012


Basic compositing provides you with in-depth training on 3D + Animation. Taught by Steve Wright as part of the Nuke 6 New Features

View Course Description

Author Steve Wright explores the new features found in the 3D digital compositor Nuke 6. The course introduces the RotoPaint node for drawing and painting effects, the Keylight keyer for creating mattes and composites, and the SplineWarp node for warping images. The course also explains how to merge keys, animate with keyframes, and create image-based blurs. Exercise files accompany the course.

Nuke 6 New Features was created and produced by Steve Wright. We are honored to host his material in the Online Training Library®.

Topics include:
  • Exploring NukeX
  • Working with the new paint tools
  • Using the Clone and Reveal tools
  • Reviewing the Keylight matte controls
  • Creating Keylight holdout and garbage mattes
  • Performing multipass keying
  • Working with mattes in Ultimatte
  • Creating specialized keys
  • Drawing and warping splines
  • Exploring the MotionBlur2D and ZBlur nodes
  • Navigating the Dope Sheet
  • Making gizmos
3D + Animation Video

Basic compositing

Keylight is a color difference keyer developed by the computer film company that is distributed and supported by the Foundry and is now available for Nuke. We'll start by setting up a basic composite. You can pull in these two elements from our Keylight media file. So, we'll select the green screen boy, come up to the Keyer tab, and select the Keylight node. Keylight hooks into the source input, which is where the green screen goes, and then we hookup the BG input to the background.

The first step in Keylight is to tell it what the backing color is, what they called the screen color, and here is the screen color here. First, we turn on the eyedropper, make sure that's turned on, and then in the Viewer, Command+Click to select the color. Now, Keylight is twitching, because it's actually sampling the output of Keylight, which is being changed based on my selection. So, we have to use the Nuke keys Alt+ Command in order to sample the incoming image that is directly off the source image right here, okay.

Of course, if we want to sample a box, we'll do Shift+Alt+Command like this. Of course, if you are using a Windows machine or a Linux machine you'll be using Ctrl instead of Command. When you select the screen color, you are selecting a single RGB value, even if you use the sample rectangle. It's simply taking the average of all the pixels inside the rectangle. Now, to make sure that you don't disturb your selection you can turn the eyedropper off and that way you won't accidentally change your screen color.

So, when you first start, the View is set to the Final Result and this is Keylight speak for the premultiplied output. If you want an Unpremultiplied Output, you would turn this on. Let's take a look at the View popup menu. There are a lot of different views here. The Source is the incoming green screen image. The Source Alpha means show me the alpha channel of the incoming green screen image. Now here there is an issue. That is not the alpha channel.

If we hook the viewer directly up to the green screen and then switch the viewer to the alpha channel, you can see this is a typical three channel green screen image with a black alpha, but yet somehow Keylight thinks that it is white. Okay? So, if the source input has no alpha. Keylight will tell you the alpha channel is white. However, if the incoming image is a four channel image, and I'll fake that here by putting this in line, I've now added a real alpha channel with some content.

Keylight sees that and passes it through correctly. But if it's a three-channel image, just remember Keylight will tell you it's white when it's not. The next view we'll take a look at is the Screen Matte. The Screen Matte is in fact the matte that is created by Keylight, and there are lots of other things to see in the viewer. For example, the Inside Mask and Outside Mask, these are the holdout and garbage masks which we'll take a look at later. The Status is a very interesting and important view.

The Status sorts all of the pixels of the matte into three categories: 100% solid or white, 100% transparent or black, and everything else, all the semitransparent pixels, are simply set to 50% gray. This is a diagnostic view that will help you later. We'll see how. The Final Result as we saw before is the premultiplied output. Don't forget about the Unpremultiply option, and then there is of course the Composite.

In the next video we'll learn about the Screen Controls.

There are currently no FAQs about Nuke 6 New Features.






Don't show this message again
Share a link to this course

What are exercise files?

Exercise files are the same files the author uses in the course. Save time by downloading the author's files instead of setting up your own files, and learn by following along with the instructor.

Can I take this course without the exercise files?

Yes! If you decide you would like the exercise files later, you can upgrade to a premium account any time.

Become a member Download sample files See plans and pricing

Please wait... please wait ...
Upgrade to get access to exercise files.

Exercise files video

How to use exercise files.

Learn by watching, listening, and doing, Exercise files are the same files the author uses in the course, so you can download them and follow along Premium memberships include access to all exercise files in the library.

Exercise files

Exercise files video

How to use exercise files.

For additional information on downloading and using exercise files, watch our instructional video or read the instructions in the FAQ .

This course includes free exercise files, so you can practice while you watch the course. To access all the exercise files in our library, become a Premium Member.

* Estimated file size

Are you sure you want to mark all the videos in this course as unwatched?

This will not affect your course history, your reports, or your certificates of completion for this course.

Mark all as unwatched Cancel


You have completed Nuke 6 New Features.

Return to your organization's learning portal to continue training, or close this page.


Upgrade to View Courses Offline


With our new Desktop App, Annual Premium Members can download courses for Internet-free viewing.

Upgrade Now

After upgrading, download Desktop App Here.

Become a Member and Create Custom Playlists

Join today and get unlimited access to the entire library of online learning video courses—and create as many playlists as you like.

Get started

Already a member?

Log in

Exercise files

Learn by watching, listening, and doing! Exercise files are the same files the author uses in the course, so you can download them and follow along. Exercise files are available with all Premium memberships. Learn more

Get started

Already a Premium member?

Exercise files video

How to use exercise files.

Ask a question

Thanks for contacting us.
You’ll hear from our Customer Service team within 24 hours.

Please enter the text shown below:

Exercise files

Access exercise files from a button right under the course name.

Mark videos as unwatched

Remove icons showing you already watched videos if you want to start over.

Control your viewing experience

Make the video wide, narrow, full-screen, or pop the player out of the page into its own window.

Interactive transcripts

Click on text in the transcript to jump to that spot in the video. As the video plays, the relevant spot in the transcript will be highlighted.

You started this assessment previously and didn’t complete it.

You can pick up where you left off, or start over.

Resume Start over

Learn more, save more. Upgrade today!

Get our Annual Premium Membership at our best savings yet.

Upgrade to our Annual Premium Membership today and get even more value from your subscription:

“In a way, I feel like you are rooting for me. Like you are really invested in my experience, and want me to get as much out of these courses as possible this is the best place to start on your journey to learning new material.”— Nadine H.

Thanks for signing up.

We’ll send you a confirmation email shortly.

Sign up and receive emails about and our online training library:

Here’s our privacy policy with more details about how we handle your information.

Keep up with news, tips, and latest courses with emails from

Sign up and receive emails about and our online training library:

Here’s our privacy policy with more details about how we handle your information.

submit Lightbox submit clicked
Terms and conditions of use

We've updated our terms and conditions (now called terms of service).Go
Review and accept our updated terms of service.