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Combining selections

From: Photoshop CS4 Essential Training

Video: Combining selections

When you have any of the Selection tools highlighted here in the toolbox, you'll see these four icons in the Tool Options Bar. These are the icons that allow you to combine selections in different ways. I'd like to show you how to use these icons to add to a selection, to subtract from a selection, and to make an intersecting selection. But first I want to tell you this important point. By default the first two of these icons is the ones that's highlighted for a Selection tool. And what that means is that if you have a selection going, like this one for example, and you still have a Selection tool highlighted and you click somewhere in your image, you are going to lose your initial selection.

Combining selections

When you have any of the Selection tools highlighted here in the toolbox, you'll see these four icons in the Tool Options Bar. These are the icons that allow you to combine selections in different ways. I'd like to show you how to use these icons to add to a selection, to subtract from a selection, and to make an intersecting selection. But first I want to tell you this important point. By default the first two of these icons is the ones that's highlighted for a Selection tool. And what that means is that if you have a selection going, like this one for example, and you still have a Selection tool highlighted and you click somewhere in your image, you are going to lose your initial selection.

So I want to make sure that you know that so if it happens to you, you'll understand the reason. Now let's say I do have an initial selection and I want to add to it. Say I want to add this red block over here on the right. Then I am going to go up to the Options Bar, and I am going the second icon, Add To Selection, and I can come in and drag over the red block and that won't eliminate the first selection. It will add to it. Now let's say I want to add this green block, which is right next to the initial selection, and this is often what you are going to be doing when you are making a more complex selection in a photograph.

Then you can just come in and add to the initial one and the two selections will combine like this. You can even use more than one tool when you are adding to a selection. So for example, let's say I want to add this triangle to this selection over here. I am going to go to the toolbox and from behind the Lasso tool I am going to get the Polygonal Lasso. Then I'll go to the Options Bar for this tool and I'll click on the Add To Selection icon, and then I will come in and draw a selection around the triangle and all I am doing is clicking at each point. Because that's the way the Polygonal Lasso works as I discussed in another movie.

And so now I have added this triangle to the initial selection. To cover more things about adding to a selection. One is that you don't have to go up here and click on this icon. There is a keyboard shortcut and that is to just hold-down the Shift key as you create additional selections, and they will be added to the initial one. And I also want to make the point that you can use more than one Selection tool together and in fact, that's something you'll often do when you are actually working on your own images. Now let me show you how you can subtract from a selection. It's pretty much the same, except that you are going to use another icon, this one right here, the Subtract From Selection icon.

So I'll click on that one. I have the Polygonal Lasso tool selected. So I get rid of this triangle by clicking, my finger is off the mouse, I click down here, and then I'll click here and I'll click here, and I am just surrounding that part of the selection. I don't have to select it exactly, and when I close the selection, the triangular part of the selection is subtracted from or disappears from the rest of the selection. And finally let me show you how to make an intersecting selection. I am going to go back to the Rectangular Marquee for this one and I'll go up to the Options Bar for that tool and I'll click the fourth icon here.

I'll come down and I am just going to drag a wide stripe across the entire image, release my mouse and now the only pieces that are selected are those that that intersected all the existing selections. So those are ways that you can combine your selections adding to, subtracting from, and intersecting with selections. I have shown you this on a very basic image but these are techniques that you'll use in more complex situations as you are working on your own images in Photoshop.

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This video is part of

Image for Photoshop CS4 Essential Training
Photoshop CS4 Essential Training

103 video lessons · 67350 viewers

Jan Kabili
Author

 
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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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