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Photoshop CC One-on-One: Fundamentals

From: Photoshop CC One-on-One: Fundamentals

Video: Cropping one selection inside another

In this movie, I'll show you how to find the intersection of two selections, We're just going to find the intersection of a square selection outline and And I was telling you, if you press the Shift key, then you get a little plus sign I'll keep my mouse button down, I'll release the Shift and Alt keys, or Go ahead and

Cropping one selection inside another

In this movie, I'll show you how to find the intersection of two selections, which allows you to effectively use one selection outline to crop another. This may be the most challenging movie in this course, just in terms of the number of keys you have to press and so forth. So we're going to start things off with a little bit of a rehearsal so you understand what's going on. We're just going to find the intersection of a square selection outline and a circular selection outline. So I'm going to start by dragging from the intersection of the two guides like so, and notice that I'm drawing my marquee from corner to corner.

If while I'm dragging I press and hold the Alt key or the Option key on a Mac, then I immediately start drawing from the center outward. And if I press the Shift key I'll also constrain my shape to a square. If I want that to remain the case I have to keep those keys down. If I release the keys, then I go back to the corner to corner behavior and I'm drawing a rectangle instead of a square. So, I'll press both Shift and Alt, or Shift and Option on a Mac, then release my mouse button, and then release the keys in order to draw a square from the center outward.

Now let's say I just want to keep those portions of that square selection that fall inside the moon. So I'll go ahead and grab my Elliptical Marquee tool. And I was telling you, if you press the Shift key, then you get a little plus sign next to your cursor, which shows you that if you drag, you'll add to the selection. That's of course not what we want. So I'll press Ctrl+Z, or Cmd+Z on the Mac. If you press the Alt key, or Option key on the Mac, you'll get a little minus sign, which means that if you drag, you'll subtract from the selection, which is also not we want.

So, I'll go ahead and press Ctrl+Z or Cmd+Z again. If you press both Shift and Alt or Shift and Option on the Mac, then you get a little x, which means you're going to find the inner section of two selection outlines. That's what we want. So, I will begin dragging from the center once again, while pressing the Shift and Alt keys or the Shift and Option keys on the Mac. However, notice that my ellipse begins at the guidelines. I want it to be centered on the guides, so this is the tricky part. You keep the mouse button down and you release the keys.

Then you immediately repress the Alt key, or the Option key on a Mac, and all of sudden you're drawing the selection outline from the center out. If you want to draw a circle, then you repress that Shift key. So in order to do what I'm doing here I had to release the Shift and Alt keys or the Shift and Option keys on a mac, keep the mouse button down, and repress those exact same keys. Shift and Alt on the PC. Shift and Option on the Mac. Keep those keys down, release the mouse button, and then release the keys, and that's how you create a selection outline in the shape of a square inside of a circle.

And just to confirm that's the case, because it's a little more obvious this way, I'll press the Q key in order to switch to the Quick mask mode. So, the reason we rehearse that is because things get a little trickier when we have a bunch of marching ants all over the screen. And just to give you a sense of where we are going here, I'll switch to the final version of the composition. Notice this hidden rays layer inside the Layers panel. If you Alt+click or Opt+click on the square in front of that layer, you'll see what we're trying to create. So, I want to create a series of rays that are cropped inside of an ellipse, which means the first thing we need to do is take our ray selection outlines, and crop them inside of an elliptical selection outline.

So let's try it out here. I'm going to switch back to the image at hand, which is still daytimemoon.psd. I'm going to zoom in, so I could better see what I'm doing. What I want to do is start at that guide intersection, but I can barely see it through all these marching ants. So, I'm going to hide everything for a moment, by pressing Ctrl+H or Cmd+H on a Mac. So that hides all the screen folderol, all my selection outlines, my guides and so forth. The image is still selected, so don't worry about that. If I press Ctrl+H or Cmd+H again, everything comes back.

Anyway, I'll press Ctrl+H or Cmd+H on a Mac. Now I need to bring back my guidelines, by going to the View menu, choosing the Show command, and then choosing Guides. And that'll bring those guides back up, so now I at least have a starting point for my elliptical marquee. Now the elliptical marquee tool's still selected. I'll press the Shift and Alt keys or the Shift and Option keys on the Mac. Notice I get a little x next to my cursor and I'll begin dragging. But notice rather than getting an ellipse that's centered on the guides, I have one that's resting against and on the guides.

I'll keep my mouse button down, I'll release the Shift and Alt keys, or the Shift and Option keys on the Mac, and then I'll repress the Alt key or the Option key on the Mac. We don't need Shift anymore, because we're not drawing a circle. But I do need to keep that Alt or Option key down. And notice that I'm moving the ellipse outwards so it's about three-quarters of the way into the tree, and up into the sky quite a bit as well and nearly touching the moon. So it's just down and to the left of the moon a little bit. And then I'll release the mouse button, and then I'll release the Alt or Option key.

And I end up getting exactly the effect I'm looking for, which is a series of ray shaped selection outlines cropped inside of an ellipse. Now let's take what we've made and turn it into a layer. Go ahead and click on the background to make sure it's active here in the Layers panel. And then we'll create a new layer by going up to the Fly Out menu icon and choosing the New Layer command. And I'm going to call this new layers Rays, and then click OK. And now we need to fill the selection with white. And we can do that by going up to the Edit menu and choosing the Fill command.

And then inside the Fill dialogue box, change use from Content Aware to the very last option, White. And make sure the blending options are set to the default. That is mode, normal, opacity 100%, preserve transparency off, and click OK. And we end up getting our base rays. Now, you can press Ctrl+D or Cmd+D on the Mac in order to deselect the image. And that, friends, is how you effectively crop one selection outline inside of another by finding the intersection of two selections.

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This video is part of

Image for Photoshop CC One-on-One: Fundamentals
Photoshop CC One-on-One: Fundamentals

103 video lessons · 31473 viewers

Deke McClelland

Expand all | Collapse all
  1. 38m 23s
    1. Welcome to One-on-One
      1m 51s
    2. Opening from the Windows desktop on Windows 8 (CC 2014) UPDATED
      6m 16s
    3. Opening from the Windows desktop on Windows 7 or earlier (CC) UPDATED
      5m 48s
    4. Opening from the Macintosh Finder UPDATED
      7m 10s
    5. Opening from Photoshop or Bridge
      3m 52s
    6. Opening an image from Mini Bridge (CC)
      2m 39s
    7. Opening through Camera Raw
      5m 11s
    8. Closing one image and closing all UPDATED
      5m 36s
  2. 52m 47s
    1. Navigating your image
    2. The dark vs. the light interface UPDATED
      6m 2s
    3. Navigating tabs and windows
      4m 32s
    4. Panels and workspaces
      6m 20s
    5. Zooming incrementally
      6m 22s
    6. Zooming continuously
      2m 43s
    7. Entering a custom zoom value
      2m 25s
    8. Scrolling and panning images
      2m 31s
    9. Rotating and resetting the view
      2m 11s
    10. Cycling between screen modes
      3m 10s
    11. Using the Navigator panel
      3m 38s
    12. Using Retina and HiDPI displays
      4m 3s
    13. Adjusting a few screen preferences UPDATED
      8m 10s
  3. 1h 2m
    1. Digital imaging fundamentals
      1m 45s
    2. Image size and resolution
      6m 34s
    3. The Image Size command
      6m 9s
    4. Common resolution standards
      4m 7s
    5. Upsampling vs. real pixels
      7m 59s
    6. Changing the print size
      8m 15s
    7. Downsampling for print
      5m 14s
    8. Downsampling for email
      6m 22s
    9. The interpolation settings
      6m 40s
    10. Downsampling advice
      5m 5s
    11. Upsampling advice
      4m 15s
  4. 53m 20s
    1. The layered composition
      1m 40s
    2. Introducing the Layers panel
      4m 12s
    3. Adding, scaling, and aligning layers
      5m 27s
    4. Dragging and dropping layers
      4m 36s
    5. Stack, reveal, and rename
      3m 1s
    6. Opacity, history, and blend mode
      6m 5s
    7. Duplicating a selected portion of a layer
      5m 32s
    8. Applying a clipping mask
      3m 58s
    9. Blending inside a clipping mask
      4m 10s
    10. Finishing off your artwork
      3m 13s
    11. Creating a new layer and background
      4m 24s
    12. Layering tips and tricks
      7m 2s
  5. 26m 13s
    1. The art of the save
    2. Four things to know about saving
      5m 59s
    3. Saving layers to PSD
      6m 34s
    4. Saving print images to TIFF
      4m 48s
    5. Saving an interactive image to PNG
      3m 40s
    6. Saving a flat photo to JPEG
      4m 18s
  6. 32m 16s
    1. Honing in on your image
      1m 43s
    2. The new and improved Crop tool
      4m 35s
    3. Editing your last crop
      6m 29s
    4. Cropping to a specific ratio or size
      5m 57s
    5. Straightening a crooked image
      4m 44s
    6. Filling in missing details UPDATED
      6m 44s
    7. Using the Perspective Crop tool
      2m 4s
  7. 44m 51s
    1. First, there is brightness
      2m 12s
    2. How luminance works
      4m 18s
    3. The three Auto commands
      3m 27s
    4. Automatic brightness and contrast
      6m 5s
    5. The Brightness/Contrast command
      2m 47s
    6. The dynamic adjustment layer
      4m 4s
    7. Editing adjustment layers
      3m 52s
    8. Isolating an adjustment with a layer mask
      3m 31s
    9. Introducing the histogram
      4m 58s
    10. Measuring an adjustment
      3m 34s
    11. Using the Shadows/Highlights command
      6m 3s
  8. 44m 33s
    1. And second, there is color
      1m 31s
    2. Identifying a color cast UPDATED
      3m 34s
    3. Correcting a color cast automatically
      3m 57s
    4. Changing the color balance
      6m 10s
    5. Compensating with Photo Filter
      3m 11s
    6. Adjusting color intensity with Vibrance
      3m 29s
    7. Correcting color casts in Camera Raw
      5m 46s
    8. The Hue/Saturation command
      5m 26s
    9. Summoning colors where none exist
      4m 8s
    10. Making more color with Vibrance
      4m 27s
    11. Making a quick-and-dirty sepia tone
      2m 54s
  9. 55m 46s
    1. Making selective modifications
      1m 10s
    2. The geometric Marquee tools
      6m 1s
    3. Aligning one image element to another
      4m 59s
    4. The freeform Lasso tools
      3m 59s
    5. The Polygonal Lasso tool and Quick Mask
      5m 19s
    6. Cropping one selection inside another UPDATED
      6m 15s
    7. Creating rays of light
      4m 44s
    8. Quick Selection and Similar
      4m 11s
    9. Making it better with Refine Edge
      4m 56s
    10. Integrating image elements
      2m 39s
    11. Magic Wand and Grow
      5m 17s
    12. Refine, integrate, and complete
      6m 16s
  10. 53m 48s
    1. Your best face forward
      1m 0s
    2. Content-Aware Fill UPDATED
      6m 11s
    3. Using the Spot Healing Brush
      5m 36s
    4. The more capable "standard" Healing Brush UPDATED
      5m 55s
    5. Meet the Clone Source panel
      3m 53s
    6. Caps Lock and Fade
      4m 57s
    7. The Dodge and Burn tools UPDATED
      5m 1s
    8. Adjusting color with the Brush tool UPDATED
      6m 35s
    9. Smoothing skin textures UPDATED
      5m 57s
    10. Brightening teeth
      4m 0s
    11. Intensifying eyes UPDATED
      4m 43s
  11. 49s
    1. Until next time

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