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Using Keyboard Combinations with Tool Actions in Adobe Photoshop CS5

Contents

  1. Using keyboard combinations with tool actions

Article Description

This excerpt from Adobe Photoshop CS5 Classroom in a Book shows you how to use a keyboard combination that constrains the elliptical selection to a circle that you’ll draw from the center outward instead of from the outside inward.

Note: This excerpt does not include the lesson files. The lesson files are available with purchase of the book.

Many tools can operate under certain constraints. You usually activate these modes by holding down specific keys as you move the tool with the mouse. Some tools have modes that you choose in the options bar.

The next task is to make a fresh start at selecting the headlight. This time, you’ll use a keyboard combination that constrains the elliptical selection to a circle that you’ll draw from the center outward instead of from the outside inward.

  1. Make sure that the Elliptical Marquee tool (marquee-tool-a.jpg) is still selected in the Tools panel, and then deactivate the current selection by doing one of the following:
    • In the image window, click anywhere outside the selected area.
    • Choose Select > Deselect.
    • Use the keyboard shortcut Ctrl+D (Windows) or Command+D (Mac OS).
  2. Position the pointer in the center of the headlight.
  3. Press Alt+Shift (Windows) or Option+Shift (Mac OS) and drag outward from the center of the headlight until the circle completely encloses the headlight. The Shift key constrains the ellipse to a perfect circle.
  4. Carefully release first the mouse button and then the keyboard keys.

    If you aren’t satisfied with the selection circle, you can move it: Place the pointer inside the circle and drag, or click outside the selection circle to deselect it, and then try again.

  5. In the Tools panel, double-click the Zoom tool (zoom.jpg) to switch to 100% view. If the entire image doesn’t fit in the image window, click the Fit Screen button in the options bar.

    Notice that the selection remains active even after you use the Zoom tool.