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The freeform Lasso tools

From: Photoshop CS6 One-on-One: Fundamentals

Video: The freeform Lasso tools

In this movie, we're going to begin the process of creating these rays coming out of the moon, not something you see very often, but a pretty cool effect. And we're going to do so using the Polygonal Lasso tool. And we're going to start things up by drawing these rays outward from the center of the image. So I'm going to zoom out slightly here and press Ctrl+A or Command+A on the Mac in order to select the entire image. We're going to use that same trick where we find the center point. I'll press Ctrl+T or Command+T on the Mac to enter the Free Transform mode or press Ctrl+R or Command+R on the Mac to bring up the Rulers and I'll drag guidelines, both the Horizontal guide and the Vertical guide out from the rulers.

The freeform Lasso tools

In this movie, we're going to begin the process of creating these rays coming out of the moon, not something you see very often, but a pretty cool effect. And we're going to do so using the Polygonal Lasso tool. And we're going to start things up by drawing these rays outward from the center of the image. So I'm going to zoom out slightly here and press Ctrl+A or Command+A on the Mac in order to select the entire image. We're going to use that same trick where we find the center point. I'll press Ctrl+T or Command+T on the Mac to enter the Free Transform mode or press Ctrl+R or Command+R on the Mac to bring up the Rulers and I'll drag guidelines, both the Horizontal guide and the Vertical guide out from the rulers.

Again, if you can't see those guidelines, go the View menu and choose Show and then choose the Guides command and turn it on. Having created the Guides, I'll press the Escape key in order to escape out of the Free Transform mode. I'll press Ctrl+D or Command+D on the Mac to deselect the image. And then, I'll press Ctrl+R or Command+R on the Mac in order to hide the rulers. Notice directly below the Marquee is the Lasso tool, which you can get by pressing the L key. And the Lasso tool allows you to draw Free Form selections like so, which means that you have to be pretty darn gifted, especially if you're using a mouse to draw a reasonable looking selection outline.

I use the tool very rarely, with one big exception, I'm going to press Ctrl+D or Command+D on the Mac to deselect the image. Where the Lasso tool really shines is when you're creating straight sided selection outlines. So for example, as long as there is no selection active, you can press and hold the Alt key or the Option key on the Mac, and as long as you keep the key down, you can click with the tool in order to draw a straight sided selection like so, and this can be very useful indeed, especially when you consider that after you get done roughing in a straight edge selection outline, you can go out to the Select menu, choose Modify and then choose Smooth, in order to round off the corners.

But what we're going to do is create a series of rays. Let me show you what that looks like. I'm going to zoom out even more from this image. Press Ctrl+D or Command+D on the Mac to deselect the image. And I'm going to start right there at the center where the guidelines intersect, and I'll press the Alt key or the Option key on the Mac. And then I will click out here in the pasteboard and then, I'll click at a second point, like so, and then I'll release and that goes ahead and draws a little triangle. Now I'm going to zoom back in for a moment just so that we can see things a little more closely.

Once you have a selection outline in place, the Shift and Alt key start to serve different purposes. So if you press the Shift key and drag with the Lasso tool, you add to the selection, as you see here. If you press the Alt key or the Option key, notice that you get a little minus sign next to your cursor. And then, if you drag around, you subtract from your selection outline. And if you press both the Shift and Alt Keys at the same time, that would be Shift+Option on the Mac, you end up with a little X next to your cursor, in which case you can drag around an area to keep just the portion of the selection that falls inside your drag.

So in other words, you're keeping the intersected area. And as a result, I end up losing my ray. Well of course I don't want that. So I'll press Ctrl+Z or Command+Z on the Mac in order to undo that change. I have my ray back as you can see, so every selection maneuver is undoable. And you can even press Ctrl+Alt+Z or Command+Option+Z on the Mac to back step through your selections. So selections are tracked by history as well. Now the upshot of all this is I can't just start Alt+Clicking or Option+Clicking with the Lasso to add more rays, because if I do, I'll subtract from my existing ray.

Instead I need to switch over to the Polygonal Lasso tool and I'll show you how that works in the next movie.

Show transcript

This video is part of

Image for Photoshop CS6 One-on-One: Fundamentals
Photoshop CS6 One-on-One: Fundamentals

100 video lessons · 57463 viewers

Deke McClelland
Author

 
Expand all | Collapse all
  1. 19m 15s
    1. Welcome to One-on-One
      2m 27s
    2. Opening from the Windows desktop
      4m 7s
    3. Opening from the Macintosh Finder
      4m 9s
    4. Opening from Photoshop or Bridge
      2m 45s
    5. Opening an image from Mini Bridge
      1m 16s
    6. Opening through Camera Raw
      2m 32s
    7. Closing one image and Closing All
      1m 59s
  2. 38m 14s
    1. Navigating your image
      40s
    2. The dark vs. the light interface
      3m 12s
    3. Navigating tabs and windows
      4m 32s
    4. Panels and workspaces
      4m 27s
    5. Zooming incrementally
      4m 29s
    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. Adjusting a few screen prefs
      4m 16s
  3. 45m 58s
    1. Digital imaging fundamentals
      1m 45s
    2. Image size and resolution
      3m 3s
    3. The Image Size command
      3m 27s
    4. Common resolution standards
      3m 20s
    5. Upsampling vs. real pixels
      4m 36s
    6. Changing the print size
      6m 16s
    7. Downsampling for print
      4m 12s
    8. Downsampling for email
      3m 11s
    9. The interpolation settings
      5m 22s
    10. Downsampling advice
      4m 36s
    11. Upsampling advice
      6m 10s
  4. 53m 17s
    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
      2m 58s
    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 19s
    1. The art of saving
      54s
    2. Four things to know about saving
      6m 0s
    3. Saving layers to PSD
      6m 38s
    4. Saving print images to TIFF
      4m 48s
    5. Saving an interactive image to PNG
      3m 41s
    6. Saving a flat photo to JPEG
      4m 18s
  6. 19m 36s
    1. Honing in on your image
      1m 43s
    2. The new and improved Crop tool
      3m 35s
    3. Editing your last crop
      3m 1s
    4. Straightening a crooked image
      2m 29s
    5. Filling in missing details
      6m 44s
    6. Using the Perspective Crop tool
      2m 4s
  7. 42m 6s
    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
      3m 19s
    5. The Brightness/Contrast command
      2m 47s
    6. The dynamic adjustment layer
      4m 5s
    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
      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 cast 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. Polygonal Lasso tool and Quick Mask
      5m 19s
    6. Cropping one selection inside another
      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 49s
    1. Your best face forward
      1m 0s
    2. Content-Aware Fill
      6m 11s
    3. Using the Spot Healing Brush
      5m 36s
    4. The more capable "standard" Healing Brush
      5m 55s
    5. Meet the Clone Source panel
      3m 53s
    6. Caps Lock and Fade
      4m 57s
    7. The Dodge and Burn tools
      5m 1s
    8. Adjusting color with the Brush tool
      6m 35s
    9. Smoothing skin textures
      5m 58s
    10. Brightening teeth
      4m 0s
    11. Intensifying eyes
      4m 43s
  11. 51s
    1. Goodbye
      51s

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