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Learning the basics of Spotlight

From: ZBrush 4 Essential Training

Video: Learning the basics of Spotlight

Spotlight is a new feature in the latest version of ZBrush that makes it easier to use pictures to add color and texture to your models. Spotlight has two main uses: One is a 2D image manipulation tool similar to Photoshop where you can paint clone, smudge, and otherwise edit images. The other use, which I'll cover in the next movie, is transferring that color and texture information directly onto your 3D models. Let's get acquainted with Spotlight without any models first, just using it as a 2D image editor.

Learning the basics of Spotlight

Spotlight is a new feature in the latest version of ZBrush that makes it easier to use pictures to add color and texture to your models. Spotlight has two main uses: One is a 2D image manipulation tool similar to Photoshop where you can paint clone, smudge, and otherwise edit images. The other use, which I'll cover in the next movie, is transferring that color and texture information directly onto your 3D models. Let's get acquainted with Spotlight without any models first, just using it as a 2D image editor.

We want to load in a picture, so let's go into the Texture palette and let's click on Import to bring in an image. I am going to look for an image that comes with ZBrush. So in the ZBrush folder, there is ZTextures folder, and let's just click on bark17 and click Open. So you see, it brings in bark into ZBrush, but it's not quite usable in Light Box yet. Click on the texture here, and there's this button down here that says Add to Spotlights, so if you just click on that, it'll bring up Spotlight.

The Light Box is just in the way, so I am just going to close that. So, now we see the image in full size. There is also this weird ring thing. That's the Spotlight widget. It controls everything you do with 2D images. And like many things in ZBrush, it's completely confusing at first. Lucky for you, I am going to make it very simple. This outer ring contains buttons that change the image in various ways. You can click on any of them to see what they do. Just a single click won't change anything, except this one with the X. If you click that, it'll close the image, and that's not what we want to do right now.

Clicking and dragging on any of these buttons will change the image in some way. So, for example, if we click and drag on the Scale button, you can see it will shrink or enlarge the image. The Hue button is fun. If you click and drag on this one, it'll shift the colors in the entire image. Saturation will increase or decrease the saturation of the colors. Take a moment to experiment with the effect you get from clicking and dragging on all these buttons.

Most of them can also be used to edit specific parts of the image. So, for example, let's click on Hue. Now, if we click and drag in the image, it'll actually paint localized areas with a single color, instead of changing the entire image. Clone is a fun brush. Clone will paint any area of the image with detail from another. So the source of the clone is wherever the center of the widget is. You can move the widget around by clicking anywhere on the image from the center of the widget.

So let's say we want to clone from this area right here. Notice we get a little preview of what it's going to paint, and you can see it's the same image that's up here. So if you just paint it anywhere, you will see that the result looks like the source of the clone up here. This can be useful to remove unwanted details and replace them with other parts of the image. You can move the entire image around to a different part of the screen by clicking and dragging in the space between the two circles.

Moving the image will be more useful in the next movie, so take a few minutes to experiment with the Spotlight and try all of the buttons and brushes. I personally prefer to use a dedicated image program like Photoshop to make these kinds of adjustments. Either way, the real purpose of Spotlight is to transfer images like this directly onto your models, which I'll cover in the next movie.

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This video is part of

Image for ZBrush 4 Essential Training
ZBrush 4 Essential Training

63 video lessons · 16305 viewers

Ryan Kittleson
Author

 
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  1. 5m 13s
    1. Welcome
      55s
    2. Using the exercise files
      59s
    3. What is ZBrush?
      1m 47s
    4. A note on screen resolution
      1m 32s
  2. 19m 17s
    1. Making sense of ZBrush
      2m 39s
    2. Understanding the interface
      2m 29s
    3. Using Light Box
      1m 23s
    4. Navigating the canvas
      2m 2s
    5. Using Perspective and Floor
      1m 51s
    6. Understanding local centering
      1m 9s
    7. Trying different materials
      2m 7s
    8. Activating symmetry
      2m 15s
    9. Viewing your work in various ways
      3m 22s
  3. 19m 59s
    1. Understanding polygon-based models
      1m 45s
    2. Creating ZSpheres
      4m 21s
    3. Using ShadowBox
      2m 15s
    4. Making a ZSketch
      2m 47s
    5. Extracting from an existing mesh
      4m 0s
    6. Using primitive 3D meshes
      3m 24s
    7. Importing from other programs
      1m 27s
  4. 23m 43s
    1. Understanding brush settings
      2m 45s
    2. Inverting brush effects
      1m 9s
    3. Switching to Smooth mode
      2m 35s
    4. Setting the stroke properties
      4m 14s
    5. Working with alphas
      2m 34s
    6. Using the Move brush
      2m 51s
    7. Using the Clip brush
      2m 58s
    8. Learning a few more common brushes (Polish, Clay, Flatten, Inflate, Tracks)
      2m 14s
    9. Saving and using brush presets
      2m 23s
  5. 26m 53s
    1. Working with tools and projects
      1m 52s
    2. Working with subdivision levels
      3m 4s
    3. Masking off parts of your model
      2m 28s
    4. Masking based on cavity and occlusion
      4m 23s
    5. Selecting and hiding parts of a tool
      2m 51s
    6. Working with polygroups
      2m 0s
    7. Using deformation
      1m 59s
    8. Mirroring geometry across an axis
      1m 49s
    9. Restoring symmetry
      1m 45s
    10. Creating morph targets
      2m 31s
    11. Understanding surface normal direction
      2m 11s
  6. 8m 57s
    1. Learning the basics of subtools
      2m 37s
    2. Making new subtools
      3m 12s
    3. Combining subtools
      3m 8s
  7. 7m 20s
    1. Masking with Transpose
      1m 49s
    2. Adjusting the Transpose Manipulator
      1m 46s
    3. Moving, scaling, and rotating with Transpose
      3m 45s
  8. 20m 25s
    1. Understanding how ZBrush uses color
      2m 36s
    2. Learning the basics of Spotlight
      3m 37s
    3. Painting and texturing with Spotlight
      2m 56s
    4. Texturing a head: A practical approach
      11m 16s
  9. 21m 14s
    1. Drawing new edge flow for retopology
      7m 52s
    2. Tips for making good edge flow
      5m 14s
    3. Creating new topology
      3m 55s
    4. Transferring detail from the old model to the new
      4m 13s
  10. 13m 28s
    1. Understanding the UV maps
      2m 47s
    2. Installing the UV Master plug-in
      1m 47s
    3. Using UV Master
      3m 46s
    4. Creating texture maps
      5m 8s
  11. 6m 36s
    1. Preventing problems
      1m 42s
    2. Recovering a corrupted model
      2m 28s
    3. Recognizing and fixing common problems
      2m 26s
  12. 4m 54s
    1. Examples of ZBrush work
      3m 16s
    2. Goodbye
      1m 38s

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