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Lesson 4. Working with Selections

Lesson 4. Working with Selections

Learning how to select areas of an image is of primary importance—you must first select what you want to affect. Once you’ve made a selection, only the area within the selection can be edited. Areas outside the selection are protected from change.

In this lesson, you’ll learn how to do the following:

  • Make specific areas of an image active, using various tools.

  • Reposition a selection marquee.

  • Move and duplicate the contents of a selection.

  • Use several keyboard-mouse combinations that save time and hand motions.

  • Deselect a selection.

  • Constrain the movement of a selected area.

  • Adjust the position of a selected area, using the arrow keys.

  • Add to and subtract from a selection.

  • Rotate a selection.

  • Use multiple selection tools to make a complex selection.

  • Erase pixels within a selection.

This lesson will take less than an hour to complete. The lesson is designed to be done in Adobe Photoshop, but information on using similar functionality in Adobe ImageReady is included where appropriate.

If needed, remove the previous lesson folder from your hard drive, and copy the Lesson04 folder onto it. As you work on this lesson, you’ll overwrite the start files. If you need to restore the start files, copy them from the Adobe Photoshop CS Classroom in a Book CD.


Windows 2000 users need to unlock the lesson files before using them. For more information, see “Copying the Classroom in a Book files” on page 3.

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