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Editing the warp grid

From: Nuke 6 New Features

Video: Editing the warp grid

I've reset the GridWarp node for the next subject. The GridWarp itself can be edited to add gridlines where you need them and remove gridlines where you don't need them. The entire GridWarp can also be resized to only affect one small part of the image. Let's see how it works. If I want to insert a gridline, I come up to the Insert tool right here. Notice how the grid is turned white. And now I can move in here and wherever I place it, this is going to insert a gridline horizontally.

Editing the warp grid

I've reset the GridWarp node for the next subject. The GridWarp itself can be edited to add gridlines where you need them and remove gridlines where you don't need them. The entire GridWarp can also be resized to only affect one small part of the image. Let's see how it works. If I want to insert a gridline, I come up to the Insert tool right here. Notice how the grid is turned white. And now I can move in here and wherever I place it, this is going to insert a gridline horizontally.

And since I'm still using the tool, I can move over and add another gridline vertically. And I'm still using the tool, so I could add another one over here. When I'm done, I have to go back to the Selection tool. I can also delete lines. I pick the line Delete tool, come over here, and click on this one to delete it, and that one to delete it, and go back to the Selection tool. To see how we might use that, let's set the GridWarp node back to default.

Let's say I wanted grid control points right on his eyes. Well, these control points are off a little bit. So I'll go to the Gridline Insert, insert a line right here where the eyes are, and then a vertical one right there and another vertical one right here. Then I'll go to the Gridline Remove tool, take away the old ones here, the old one there, and the old one over there, and then go back to the Selection tool and now I've got GridWarps exactly where I need them.

Again, cursor in the viewer, type O to turn off the Overlay. And to see the effect come and go, just disable and enable the GridWarp node itself. I'll re-enable the GridWarp node and restore the overlays. Sometimes you'd like to apply a GridWarp to just one small part of the picture, so to do that, we'll use the Boundary tool. I'm going to reset this back to default and push into the ear here, and here is the Boundary tool. I don't exactly agree with this name, because what this really does is it draws a brand-new local GridWarp, not just a boundary.

Push it a little bit more. So as you can see, the main GridWarp has been replaced by this local GridWarp. And now we can adjust just this part of the picture without affecting any other part. There I've applied a warp to this ear. I'll deselect, I'll turn off the overlay, and I'll toggle with disable on and off for the GridWarp node. So for we've been using a static grid, but there are many times when you'll want to animate the GridWarp, so let's take a look at that next.

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This video is part of

Image for Nuke 6 New Features
Nuke 6 New Features

59 video lessons · 5834 viewers

Steve Wright
Author

 
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  1. 7m 45s
    1. Welcome
      1m 56s
    2. What is NukeX?
      5m 0s
    3. Using the exercise files
      49s
  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 38s
    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 19s
    6. The Tuning controls
      1m 58s
    7. The Bias controls
      2m 37s
    8. Screen replacement
      2m 15s
    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 8s
    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 11s
  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 29s
    1. The ZBlur node
      6m 33s
    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

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