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Masks and Channels in Adobe Photoshop CS6

Article Description

Learn how to create a mask to remove a subject from a background, refine a mask to include complex edges, create a quick mask to make changes to a selected area, edit a mask using the Properties panel, manipulate an image using Puppet Warp, save a selection as an alpha channel, view a mask using the Channels panel, load a channel as a selection, isolate a channel to make specific image changes.

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Manipulating an image with Puppet Warp

Manipulating an image with Puppet Warp

The Puppet Warp feature gives you flexibility in manipulating an image. You can reposition areas, such as hair or an arm, just as you might pull the strings on a puppet. You place pins where you want to control movement. You’ll use Puppet Warp to tilt the model’s head back, so he appears to be looking up.

  1. With the Model layer selected in the Layers panel, choose Edit > Puppet Warp.
  2. A mesh appears over the visible areas in the layer—in this case, the mesh appears over the model. You’ll use the mesh to place pins where you want to control movement (or to ensure there is no movement).

  3. Click around the edges of the shirt. Each time you click, Puppet Warp adds a pin. Approximately 10 pins should work.
  4. The pins you’ve added around the shirt will keep it in place as you tilt the head.

  5. Select the pin at the nape of the neck. A white dot appears in the center of the pin to indicate that it’s selected.
  6. Press Alt (Windows) or Option (Mac OS). A larger circle appears around the pin and a curved double arrow appears next to it. Continue pressing Alt or Option as you drag the pointer to rotate the head backwards. You can see the angle of rotation in the options bar; you can enter 135 there to rotate the head back.
  7. When you’re satisfied with the rotation, click the Commit Puppet Warp button (Image) in the options bar, or press Enter or Return.
  8. Save your work so far.
7. Working with channels | Next Section Previous Section