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The Blur tool

From: Nuke 6 New Features

Video: The Blur tool

The Blur tool pop-up here contains actually three tools, Blur, Sharpen, and Smear. Let's start by taking a look at the Blur tool. I'll select that. We'll zoom in to Marcie and remember you can change the brush size on the keyboard with a Shift key. I'll blur out this eye here. Now, the amount of blur is controlled by this setting right here, the effect. So the effect in this case is the blur. So, I'm going to turn the effect down to a level of 2. Come over here and blur this eye, and you can see there is much less blur effect.

The Blur tool

The Blur tool pop-up here contains actually three tools, Blur, Sharpen, and Smear. Let's start by taking a look at the Blur tool. I'll select that. We'll zoom in to Marcie and remember you can change the brush size on the keyboard with a Shift key. I'll blur out this eye here. Now, the amount of blur is controlled by this setting right here, the effect. So the effect in this case is the blur. So, I'm going to turn the effect down to a level of 2. Come over here and blur this eye, and you can see there is much less blur effect.

Now, if we go over to the Property panel and click on the Stroke tab, we can see that the brush type is set to blur. It's actually choosing from this pop-up here and you can change that if you wish. The effect setting for this particular stroke is 2, and of course if I increase that, the blur goes up. So, you can always edit your strokes after the fact. Change brush types, change the hardness settings, change the effect, anything you want. Okay, let's delete these. I'm going to select both of these and hit the Delete key so that we could take a look at the Sharpen tool.

Again, the effect is set for 15, so I'm going to sharpen this eye at 15, say whoa, that really sharpens that up. We will turn the effect down to 2 and do a more gentle sharpening over here. Once again, the brush type is set to sharpen from the pop-up. Stroke2 is selected up here in the list and its effect is set for 2. Of course, if I increase that, then Stroke2 will be sharpened much more. Again, we'll select these two and hit the Delete key to get rid of those, then take a look at the last tool in the Blur pop-up, the Smear tool.

Now, the interesting thing about the Smear tool is the effect has no effect. If I click and drag here, there is no way I can change the amount of smear with the effect. However, if the hardness is turned up, that has the effect of increasing the amount of smear that you get. Once again, on the Stroke tab, the brush type is set to smear out of the pop-up, and the effect slider is ghosted out. However, I could adjust the brush hardness if I want to bring down the effect, turning down Stroke2 now. It's like I almost turned it off.

So, the only way you can change the amount of smear is by dialing in the brush hardness.

Show transcript

This video is part of

Image for Nuke 6 New Features
Nuke 6 New Features

59 video lessons · 5804 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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