To use the Quick Selection tool, follow these steps:
1. Choose the Quick Selection tool from the toolbox, or press W.
2. Drag the Sample Size slider in the Tool Options bar to set the size of the Quick Selection tool. If your Cursor preferences are set to Normal Brush Tip, the circular cursor shows you the size of the tool with respect to your image.
3. Paint across an object that stands out from its background. The selection grows as you drag the cursor.
4. Press Option (Mac) or Alt (Windows) and paint over areas you want to remove from the selection.
5. Click the Refine Edge button on the Options bar to clean up your selection. Making sure the Preview box is checked, experiment with the settings until the
Cursor size is important when you're working with the Quick Selection tool. The larger the cursor, the more different-colored pixels it sweeps over as you click and drag, and the more colors are included in the selection. You can change the cursor size as you work; it's usually best to start with a large-ish cursor to select the bulk of the object you're targeting, then switch to a smaller cursor to add bits around the edges (see Figure 3.6).
If you like what the Quick Selection tool does, but you want more control over the selection process, the Magic Wand is for you. Using the Magic Wand tool, you can build a color-based selection one click at a time. The big difference is that you can decide how similar colors must be to be included in the selection, using the Tolerance setting in the Tool Options bar.
The rule is easy to remember: The lower the Tolerance setting, the less tolerance the Magic Wand has for color differences. Thus, for example, if you set the Tolerance higher (it ranges from 0 to 255), it selects all variations of the color that you initially select.
selection is the way you want it, then click OK.
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