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Photoshop CS4 Essential Training

Locking layers


From:

Photoshop CS4 Essential Training

with Jan Kabili

Video: Locking layers

From time to time you'll want to lock a layer down so that you don't inadvertently paint on it or move it after you've spent a lot of time getting it just right. At the top of the Layers panel you will see a series of lock icons that you can use in that situation and in another important situation I am going to show you in just a moment. But first let's look at what's here. If I have a layer selected like this circle layer here, and I click this big lock, the black one, that layer is completely locked down. Now, I am unable to move that layer. So if I get my Move tool for example and I try to move, I get this message that I can't, because the layer is locked.
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  1. 2m 31s
    1. Welcome
      1m 27s
    2. Using the example files
      1m 4s
  2. 25m 14s
    1. Touring the interface
      4m 25s
    2. Working with tabbed documents
      5m 15s
    3. Using tools efficiently
      3m 51s
    4. Arranging panels
      3m 53s
    5. Customizing keyboard shortcuts
      2m 50s
    6. Saving a custom workspace
      3m 0s
    7. Changing screen modes
      2m 0s
  3. 19m 3s
    1. Touring the Bridge interface
      6m 31s
    2. Opening images from Bridge
      1m 20s
    3. Reviewing images
      4m 42s
    4. Finding images
      6m 30s
  4. 44m 53s
    1. Setting preferences
      4m 23s
    2. Choosing color settings
      8m 11s
    3. Zooming and panning
      5m 27s
    4. Resizing and image resolution
      3m 17s
    5. Adding to the canvas
      2m 2s
    6. Rotating the canvas
      1m 44s
    7. Choosing color
      4m 49s
    8. Sizing a brush tip
      3m 4s
    9. Undoing and the History panel
      5m 0s
    10. Saving and file formats
      3m 29s
    11. Creating a file from scratch
      3m 27s
  5. 37m 58s
    1. Making geometric selections
      6m 14s
    2. Modifying selections
      4m 43s
    3. Combining selections
      3m 16s
    4. Using the Quick Selection tool
      5m 34s
    5. Refining selection edges
      4m 12s
    6. Using Quick Mask mode
      2m 18s
    7. Selecting with the improved Color Range command
      4m 32s
    8. Selecting with the Magnetic Lasso tool
      2m 28s
    9. Using the Background Eraser tool
      3m 7s
    10. Saving selections
      1m 34s
  6. 39m 56s
    1. Understanding layers
      5m 43s
    2. Creating layers
      5m 12s
    3. Working in the Layers panel
      2m 19s
    4. Locking layers
      4m 17s
    5. Working with multiple layers
      4m 6s
    6. Merging and flattening layers
      3m 55s
    7. Adding a shape layer
      4m 43s
    8. Basic layer masking
      4m 23s
    9. Using layer blend modes and opacity
      5m 18s
  7. 23m 19s
    1. Cropping
      3m 26s
    2. Straightening
      3m 17s
    3. Transforming
      4m 42s
    4. Working with Smart Objects
      6m 48s
    5. Using Content-Aware Scaling
      5m 6s
  8. 1h 10m
    1. Reading histograms
      4m 21s
    2. Using adjustment layers and the Adjustment panel
      6m 4s
    3. Adjusting tones with Levels
      7m 49s
    4. Limiting adjustments with layer masks
      5m 40s
    5. Using masks in the new Masks panel
      6m 9s
    6. Limiting adjustments by clipping
      3m 6s
    7. Adjusting with Shadow/Highlight
      5m 7s
    8. Adjusting with Curves
      7m 37s
    9. Adjusting with Hue/Saturation
      3m 42s
    10. Adjusting with Vibrance
      2m 16s
    11. Removing a color cast
      4m 26s
    12. Using the Black & White adjustment layer
      2m 39s
    13. Using the Dodge Burn and Sponge tools
      4m 11s
    14. Reducing noise
      2m 39s
    15. Sharpening
      4m 42s
  9. 38m 0s
    1. Using the Spot Healing Brush tool
      5m 17s
    2. Using the Healing Brush tool
      5m 51s
    3. Using the Patch tool
      4m 52s
    4. Using the Clone Stamp tool
      4m 8s
    5. Enhancing eyes
      9m 29s
    6. Changing facial structure
      5m 0s
    7. Softening skin
      3m 23s
  10. 44m 38s
    1. What's a raw image?
      4m 25s
    2. Touring the Camera Raw interface
      7m 35s
    3. Working in the Basic panel
      7m 54s
    4. Working in the Tone Curve panel
      2m 21s
    5. Working in the HSL/Grayscale and Split Toning panels
      3m 46s
    6. Looking at the other Camera Raw panels
      3m 45s
    7. Using the Adjustment Brush tool
      4m 2s
    8. Using the Graduated Filter tool
      3m 56s
    9. Working with multiple files
      6m 54s
  11. 21m 6s
    1. Using the Brushes panel
      8m 30s
    2. Filling with color
      3m 49s
    3. Replacing color
      4m 14s
    4. Using gradients
      4m 33s
  12. 16m 55s
    1. Working with point type
      9m 59s
    2. Working with paragraph type
      3m 17s
    3. Warping text
      3m 39s
  13. 25m 23s
    1. Adding a layer style
      4m 6s
    2. Customizing a layer style
      3m 35s
    3. Copying a layer style
      3m 5s
    4. Creating a new style
      3m 32s
    5. Using Smart Filters
      5m 22s
    6. Working in the Filter Gallery
      5m 43s
  14. 13m 14s
    1. Auto-blending focus
      4m 47s
    2. Creating Photomerge panoramas
      4m 2s
    3. Combining group photos
      4m 25s
  15. 23m 27s
    1. Creating an action
      7m 16s
    2. Batch processing with an action
      6m 36s
    3. Using the Image Processor
      9m 35s
  16. 29m 20s
    1. Printing
      11m 32s
    2. Making a contact sheet from Bridge
      6m 12s
    3. Creating a web gallery from Bridge
      7m 17s
    4. Preparing photos for the web
      4m 19s
  17. 30s
    1. Goodbye
      30s

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Photoshop CS4 Essential Training
7h 55m Beginner Oct 13, 2008

Viewers: in countries Watching now:

Photoshop has become an indispensible tool for photographers, designers, and all other creative professionals, as well as students. Photoshop CS4 Essential Training teaches a broad spectrum of core skills that are common to many creative fields: working with layers and selections; adjusting, manipulating, and retouching photos; painting; adding text; automating; preparing files for output; and more. Instructor Jan Kabili demonstrates established techniques as well as those made possible by some of the new features unique to Photoshop CS4. This course is indispensable to those who are new to the application, just learning this version, or expanding their skills. Example files accompany the course.

Topics include:
  • Learning and customizing the interface and workspace
  • Utilizing various manual and guided selection techniques
  • Working with Adobe Camera Raw
  • Adding special effects with layer styles and Smart Filters
  • Creating Photomerge panoramas
  • Optimizing photos for the web and creating web galleries
Subject:
Photography
Software:
Photoshop
Author:
Jan Kabili

Locking layers

From time to time you'll want to lock a layer down so that you don't inadvertently paint on it or move it after you've spent a lot of time getting it just right. At the top of the Layers panel you will see a series of lock icons that you can use in that situation and in another important situation I am going to show you in just a moment. But first let's look at what's here. If I have a layer selected like this circle layer here, and I click this big lock, the black one, that layer is completely locked down. Now, I am unable to move that layer. So if I get my Move tool for example and I try to move, I get this message that I can't, because the layer is locked.

And if I try to paint on a layer with the Brush tool or any of the brush type tools, I also prevented from doing so. Now, if you want to protect your file from painting on it but you still want the ability to move it, then you can go to the layer locks, click this big lock to disable it and just click on the painting lock here. Now the layer could be moved, but it won't accept any of the paint tools. And if you want to be able to paint on a layer but not move it, then you disable the paintbrush lock and you click the next lock up here, the one that prevents moving. Finally, we have this lock, which protects transparent pixels in the layer.

Let me show you how that one works. I am going to select the cup layer here and on that layer I've already set the transparent pixel lock. With this lock activated, I can add paint to a layer either with the Brush tool or by filling the layer, and it will only affect the existing content on the layer. Let me show you what I mean. I am going to get my Eyedropper tool in the toolbox and go down to the Background layer, which has a nice brown paint that I want to use, and then I'm going to click in the image to sample that brown paint and put it here in the foreground color box. I want to paint on the cup layer.

So I will select the cup layer and I am actually going to make all the other layers invisible for just a moment so that you can better see what I'm doing, although that isn't an essential part of this technique. Now I am going to select the Brush tool over here. With the Brush tool selected, I am going to go to the Mode menu in the Options Bar and here I can see a lot of different formulas for painting. The default is Normal. I am going to select Color. When you paint with the brush set to Color, it will respect the shading and texture in the image and it won't just paint over with a flat color.

Now I am just going to click-and-drag over this cup and as you can see it's not only respecting the shading in the image, but it's not painting on the transparent pixels that are represented by the gray and white checkerboard. So this is a really quick and easy way of changing the color of the content of a layer without having to select it. Now I am going to go back to the Layers panel, hold the Option key on a Mac or the Alt key on a PC and click there to turn the layers on that were on just a minute ago. One more thing about locking layers. I want to draw your attention to the Background layer here.

The Background layer is a special layer that comes automatically with a layer lock. Many single layer documents like photographs from a digital camera usually have a background layer like this. Don't be surprised when you try to work on the background layer and you see that it doesn't behave like the other layers in your file. For example, if you try to take this brown background layer and drag it above another layer in this document, you'd be prevented from doing so. Watch, and you'll see you get that little cancel symbol when you try it. You also might think that because this layer is at the bottom of the Layers panel, when you erase on this layer, you should see transparency, that that's what's behind.

But in fact if I were to go and get the Eraser tool in the toolbox and then erase with the Background layer selected, I would see whatever color happens to be in the background color box in the toolbox rather than transparency. I am going to undo that by pressing Command+Z on the Mac or Ctrl+Z on the PC, because now I want to show you how you can change a background layer into a regular layer if those behaviors are getting in your way. All you have to do is double-click the name background on this layer, the New Layer dialog opens and you can click OK there.

The name of the layer automatically changes to layer 0 and it's no longer in italics. So this is now our regular layer. I can move it in the layer stack and if I erase on it, I erase back to transparency. I am going to press Command+ Z or Ctrl+Z on a PC again. So the next time you'd like to lock down a layer so that you don't inadvertently move it or paint on it or you'd like to change the color of the content of a layer without having to make a selection first, take a look at the Lock icons in the Layers panel and don't be surprised by the behavior of a background layer.

Find answers to the most frequently asked questions about Photoshop CS4 Essential Training.


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Q: How can artwork be transferred from Photoshop CS4 to Illustrator CS4 without the background?
A: Save the image in Photoshop’s native PSD format. The background in Photoshop must be transparent, meaning there should be no background layer. (To remove a background layer, move your artwork to a separate layer by selecting and copying the content, minus the background, to a new layer, and then delete the background layer. A checkboard pattern behind your image indicates transparent pixels.) 
 


In Illustrator, select File > Open, and select the PSD file. In Photoshop Import dialog box, select Convert Layers to Objects.

Q: How do I retouch an image I have of an old photograph I scanned?
A: There are a few courses that address image restoration. Check out the Photoshop CS4 Portrait Retouching Essential Training course, and for problems dealing specifically with old photographs, watch the Restoration movies in chapter 15 of the Enhancing Digital Photography with Photoshop CS2. Additionally, learn how to research and date photos with our Growing and Sharing Your Family Tree course.
Q: A client has asked for artwork to be delivered as JPEGs or BMP files in 16-bit format. In Photoshop CS4, there does not appear to be an option to save an image as a 16-bit JPEG. Is there a way to save JPEG files as 16-bit in Photoshop?
A: Unfortunately, JPEGs cannot be saved in 16 bit. JPEGs, by nature, are 8-bit. So if you open a high-bit image into Photoshop CS4, you will see no option in any of the save dialog boxes to save the file as a JPEG. You would first have to convert the image to 8 bit (by choosing Image > Mode > 8 bits/channel) and then save it as an 8-bit JPEG. If you open a high-bit image into Photoshop CS5, you will see the option to save it as a JPEG in the Save, Save As, and Save for Web dialog boxes.  But the JPEG will not be saved as 16-bit. Instead, Photoshop will downsample it to 8-bit for you  before saving it as JPEG.
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