Adobe 13101332 - Photoshop - Mac User Manual page 165

Adobe Photoshop Help
Using Help | Contents
Adjusting selections manually
You can use the selection tools to add to or subtract from existing pixel selections.
Before manually adding to or subtracting from a selection, set the feather and anti-aliased
values in the options bar to the same settings used for the original selection. (See
"Softening the edges of a selection" on page
To add to a selection or select an additional area:
1 Make a selection.
2 Using any selection tool, do one of the following:
Select the Add to Selection option
•
(ImageReady) Hold down Shift (a plus sign appears next to the pointer), and drag to
•
add another selection.
To subtract from a selection:
1 Make a selection.
2 Using any selection tool, do one of the following:
Select the Subtract from Selection option
•
with other selections.
Hold down Alt (Windows) or Option (Mac OS) (a minus sign appears next to the
•
pointer), and drag to subtract another selection.
To select only an area intersected by other selections:
1 Make a selection.
2 Using any selection tool, do one of the following:
Select the Intersect with Selection option
•
Hold down Alt+Shift (Windows) or Option+Shift (Mac OS) (a cross appears next to the
•
pointer), and drag over the portion of the original selection that you want to select.
Adjusting selections numerically
You can use commands in the Select menu to increase or decrease the pixels in an existing
selection and to clean up stray pixels left inside or outside a color-based selection.
To expand or contract a selection by a specific number of pixels:
1 Choose Select > Modify > Expand or Contract.
2 For Expand By or Contract By, enter a pixel value between 1 and 100, and click OK.
The border is increased or decreased by the specified number of pixels. Any portion of the
selection border running along the canvas's edge is unaffected.
To frame an existing selection with a new selection:
1 Use a selection tool to make a selection.
2 Choose Select > Modify > Border.
3 Enter a value between 1 and 200 pixels for the border width of the new selection, and
click OK.
The new selection frames the original selected area.
Using Help | Contents
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166.)
in the options bar, and drag.
| Index
in the options bar, and drag to intersect
in the options bar, and drag.
Selecting
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