1 Only the area within the selection can be edited.
2 To add to a selection, hold down Shift, and then drag or click the active selection tool on the area you want to add to the selection. To subtract from a selection, hold down Alt (Windows) or Option (Mac OS), and then drag or click the active selection tool on the area you want to remove from the selection.
3 Without releasing the mouse button, hold down the spacebar, and drag to reposition the selection.
4 To make sure that the selection is the shape you want, end the selection by dragging across the starting point of the selection. If you start and stop the selection at different points, Photoshop or ImageReady draws a straight line between the start point of the selection and the end point of the selection.
5 The magic wand selects adjacent pixels based on their similarity in color. The Tolerance setting determines how many color tones the magic wand will select. The higher the tolerance setting, the more tones the magic wand selects.
5 Layer Basics
Both Adobe Photoshop and Adobe ImageReady let you isolate different parts of an image on layers. Each layer can then be edited as discrete artwork, allowing unlimited flexibility in composing and revising an image.
In this lesson, you'll learn how to do the following:
• Organize artwork on layers.
• Remove artwork from layers.
• Rearrange layers to change the stacking order of artwork in the image.
• Apply blending modes to layers.
• Link layers to work on them simultaneously.
• Add text and layer effects to a layer.
• Save a copy of the file with the layers flattened.
This lesson will take about 45 minutes 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 Lesson05 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 7.0 Classroom in a Book CD.
Note: Windows users need to unlock the lesson files before using them. For more information, see "Copying the Classroom in a Book files" on page 4.
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