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Building node trees

From: Nuke 5 Essential Training

Video: Building node trees

Now, it's time to see how we build a Node Tree in Nuke. The first thing you're going to want to do is to get your Keyboard Shortcut document opened. You're going to want to print this out, and have it at your machine side and always use it because it contains all these keyboard shortcuts that make your work with Nuke so much faster and more productive. We're going to be working right here in the Node Graph section. And in this movie, we're going to cover almost all of the commands you see here. Nuke has a great many built-in productivity tools, and the more you know about them, the faster and more efficient you can be at your Nuke compositing scripts.

Building node trees

Now, it's time to see how we build a Node Tree in Nuke. The first thing you're going to want to do is to get your Keyboard Shortcut document opened. You're going to want to print this out, and have it at your machine side and always use it because it contains all these keyboard shortcuts that make your work with Nuke so much faster and more productive. We're going to be working right here in the Node Graph section. And in this movie, we're going to cover almost all of the commands you see here. Nuke has a great many built-in productivity tools, and the more you know about them, the faster and more efficient you can be at your Nuke compositing scripts.

So, we will put this away. And since we want to build Node Graphs and we don't care about the Viewer, I'm going to collapse the Viewer down to nothing so we can have more screen space for our Node Graph. All right. We'll come up here to the Image tab, come down and select the CheckerBoard node. The node comes in and it is selected. You see how it's lit up orange? If we click off to the side, it deselects. If we click on the node, it selects. If a node is selected, any new nodes you add will be appended to it.

So, I can come over here to the Filter tab, add a Blur node and now the Blur node is selected. Go to the Color tab and add a Grade node, the Grade node is selected. And one more, the Transform tab, and now the Transform Node is selected. If you don't have any node selected, I will deselect off to the side, and I add a new node, like another Grade node, for example, it just floats off in never-never-land. It doesn't hurt anything, but it doesn't do anything.

To delete a node, simply select it and hit either one of the Delete keys on the keyboard. Now, if you want to insert a node, I recommend you first, make yourself a little space here, select the node above the area you want to insert, and then simply add a new node and it gets dropped right in. See? It's all hooked up for you. Sometimes, you want to do an Insert branched off to the side. So, we'll select this node, we'll go to the Color tab and Shift+Click on a node and now it's connected but branched. Try that again.

Select the Blur node, come down to the Transform, Shift+Click on the new node and you get a branch connection. Now, we saw you can click on node to select it and click off to the side to deselect it, but you can also draw rectangles around them to select them, which is very helpful for selecting groups or columns. You can also build a pick list. Hold down the Shift key. Click, click, click and you've built a list of nodes. Okay. I'll click off to deselect.

One more time, hold down the Shift key, click, click, click, and now those nodes are selected. So, in addition to these tool tabs for adding nodes, there is a second way to add nodes, very fast, very powerful and that's the Tab Search function. The cursor must be in the Node Graph. Tap the Tab key and you get this little window. The first letter you type will pop up a list of all the nodes that begin with that letter. If you add a second letter, it'll down select.

So, let's say I want the Blur node, so now I just click on Blur and I get a Blur node. I didn't have any other node selected, so it wasn't connected. So, I'll select the Grade node. Hit the Tab key. It remembers my last election. I'll just hit the Return key and add a Blur node to the Grade node. Very nice! There is a third way to add nodes. Cursor in the Node Graph. Right mouse button pop-up menu. From Image on down, these are duplicates of all of these tab buttons over here.

So, we can, for example, come down to Filter and click on Blur and add a Blur node. Of course, if you have got a node selected, you can do right mouse, go to color and add the Grade Node and it'll be connected. So, there's three ways that you can add nodes to your Node Graph: the Tab tool pop-up over here, the Tab Button Search and the Right Mouse Button pop-up menu. In our next movie, we'll see how to edit the node trees.

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This video is part of

Image for Nuke 5 Essential Training
Nuke 5 Essential Training

148 video lessons · 10139 viewers

Steve Wright
Author

 
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  1. 1h 6m
    1. Welcome
      1m 17s
    2. Touring the interface
      4m 29s
    3. Keyboard shortcuts
      7m 26s
    4. Building node trees
      4m 34s
    5. Editing node trees
      4m 13s
    6. Node tree operations
      5m 21s
    7. Viewer nodes
      3m 2s
    8. Viewer navigation commands
      5m 50s
    9. Timeline controls
      2m 31s
    10. Project settings
      2m 20s
    11. Adjusting node parameters
      4m 48s
    12. Undo and Redo
      1m 15s
    13. Adjusting additional node parameters
      3m 16s
    14. The Node tab
      1m 59s
    15. Project: Compositing a jet fighter over clouds
      6m 6s
    16. Creating a flipbook
      1m 47s
    17. Rendering to disk
      5m 59s
  2. 56m 53s
    1. The Transform Jack
      3m 33s
    2. Setting keyframes
      4m 15s
    3. Motion blur
      3m 25s
    4. Showing and hiding curves
      4m 0s
    5. Navigating in the Curve Editor
      1m 49s
    6. Editing curves
      4m 54s
    7. Curve types
      4m 9s
    8. Linking parameters
      2m 57s
    9. Link expressions
      3m 54s
    10. Math functions
      5m 0s
    11. Resizing and cropping different formats
      2m 41s
    12. Bounding boxes
      1m 9s
    13. Reformatting images
      6m 26s
    14. Cropping images
      2m 20s
    15. The Merge node
      4m 11s
    16. Image blending operations
      2m 10s
  3. 1h 22m
    1. Color management in Nuke
      4m 45s
    2. Color management workflow
      6m 55s
    3. Using LUTs
      5m 16s
    4. Working with pre-multiplied CGI images
      2m 4s
    5. Preprocessing images for the viewer
      5m 42s
    6. The Color Picker
      8m 5s
    7. The Grade node
      8m 22s
    8. Setting Grade node parameters
      4m 10s
    9. The ColorCorrect node
      5m 29s
    10. The ColorLookup node
      4m 56s
    11. ColorLookup node workflow
      4m 28s
    12. The HueCorrect node
      5m 48s
    13. Drawing shapes with the Bezier node
      4m 24s
    14. Keyframing animation with the Bezier node
      4m 17s
    15. Additional Bezier node controls
      2m 43s
    16. Masking operations in the Bezier node
      5m 25s
  4. 1h 10m
    1. Nuke's channel management system
      4m 52s
    2. The relation of the channels to the viewer
      2m 33s
    3. The Shuffle node
      5m 32s
    4. The Copy node
      3m 17s
    5. Creating new channels
      5m 35s
    6. Processing channels
      1m 54s
    7. The ShuffleCopy node
      2m 42s
    8. The ChannelMerge node
      2m 11s
    9. Compositing CGI
      6m 10s
    10. Adjusting the multi-pass composite
      2m 17s
    11. Compositing a multichannel element in an EXR file
      7m 42s
    12. The B-side paradigm
      2m 12s
    13. Setting up a motion tracker
      5m 14s
    14. Offset tracking
      1m 59s
    15. Applying tracking data
      3m 56s
    16. Performing a match move
      3m 22s
    17. Tracking Bezier control points
      2m 43s
    18. Tracking a four-corner pin shot
      6m 30s
  5. 1h 31m
    1. The Keyer node
      6m 56s
    2. Using the HSV tool as a chroma keyer
      3m 12s
    3. The Difference node
      2m 4s
    4. Understanding how Primatte works
      3m 5s
    5. Setting up a basic Primatte key
      3m 50s
    6. More Primatte operations
      5m 53s
    7. Degraining a garbage matte
      4m 49s
    8. Setting up the IBK Color node
      2m 48s
    9. Adjusting the IBK Color node
      5m 24s
    10. Adjusting the IBK Gizmo node
      6m 3s
    11. Adjusting the edges
      1m 35s
    12. Filling in the core matte
      1m 35s
    13. Autolevels
      1m 38s
    14. Using the IBK Gizmo color pick mode
      1m 51s
    15. Adding more control to blended edges
      5m 18s
    16. The great keying delusion
      1m 42s
    17. The Keymix node
      6m 35s
    18. Using Keymix within a keyer
      2m 20s
    19. How the Addmix node works
      3m 17s
    20. Compositing with the Addmix node
      4m 29s
    21. The Read node
      3m 2s
    22. The FrameHold node
      1m 52s
    23. The TimeOffset node
      1m 59s
    24. The Retime node
      4m 0s
    25. Upgrades to the Read node in Nuke 5.2
      1m 56s
    26. Variable speed timing
      4m 2s
  6. 1h 23m
    1. Overview of the 3D tools
      2m 30s
    2. Navigating the 3D viewer
      5m 25s
    3. Adding a 3D card
      7m 26s
    4. Adding a 3D cube
      3m 48s
    5. Adding a 3D cylinder
      2m 17s
    6. Adding a 3D sphere
      3m 27s
    7. The ReadGeo and WriteGeo nodes
      4m 52s
    8. Adding a 3D camera
      4m 5s
    9. Animating a camera move
      2m 42s
    10. The Scanline Render node
      4m 20s
    11. Viewing geometry over the background
      6m 58s
    12. The Scene node
      3m 21s
    13. Adding lights to a scene
      7m 0s
    14. Adding multiple cameras
      7m 39s
    15. Projecting textures onto a plane
      5m 38s
    16. Projecting textures onto a sphere
      2m 8s
    17. Projecting textures onto a cylinder
      1m 36s
    18. Adding an Axis node
      4m 42s
    19. Connecting the camera to the UV project node
      3m 54s
  7. 1h 7m
    1. Basic Bicubic operations
      4m 20s
    2. Adding more control points
      3m 26s
    3. Animating bicubics
      1m 50s
    4. Transforming geometry
      3m 9s
    5. Hierarchical animation
      5m 29s
    6. Setting geometry to look at a target
      4m 46s
    7. The DisplaceGeo node
      6m 8s
    8. The ProcGeo node
      5m 51s
    9. The Trilinear node
      3m 50s
    10. The Diffuse node
      5m 42s
    11. The Phong node
      5m 44s
    12. The Project3D node
      3m 25s
    13. Creating a material
      2m 21s
    14. The ApplyMaterial node
      3m 35s
    15. Environment lighting
      7m 56s
  8. 1h 30m
    1. 3D motion blur
      4m 14s
    2. Anti-aliasing
      2m 51s
    3. The Motion Blur 3D node
      3m 56s
    4. The Motion Blur 2D node
      4m 54s
    5. Project: Adding a 3D background to a clip
      2m 53s
    6. Roughing in the background
      7m 32s
    7. Aligning the background
      9m 19s
    8. Project: The Pan-n-Tile shot
      3m 54s
    9. Setting up a reference cylinder
      6m 34s
    10. Setting up the tile cards
      5m 29s
    11. Positioning the tile cards
      4m 50s
    12. Aligning the tile cards
      1m 12s
    13. Setting the Z-Blend
      3m 0s
    14. Project: The camera projection
      2m 32s
    15. Viewing the wireframe over the background
      1m 52s
    16. Setting up the projection
      5m 15s
    17. Roughing in the first tower
      5m 3s
    18. Adding the projection camera
      2m 21s
    19. Adding the scene camera
      4m 52s
    20. Project: 3D re-projection
      2m 49s
    21. Creating the re-projection
      4m 45s

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