Creating an inverse pixel selection
Starting with a current pixel selection, you can create another pixel selection that selects all the
pixels that are not currently selected. You can use this method to select and then erase all
pixels surrounding the original selection, for example.
To create an inverse pixel selection:
1.
Make a pixel selection using any bitmap selection tool.
2.
Select Select > Inverse Selection.
All pixels that were not in the original selection are now selected.
Feathering a pixel selection
Feathering creates a see-through effect for the selected pixels. When using the Feather
command, you can try out various feather amounts and view the results before deselecting the
pixels. You can also feather a selection by setting a feather amount in the Property inspector
before or during your use of a bitmap selection tool. For more information, see
selection tool options" on page
To feather a pixel selection:
1.
Select Select > Feather.
2.
Enter a Feather amount in the Feather dialog box.
The selection marquee changes size to reflect the feather amount.
3.
If necessary, change the number in the Feather dialog box to adjust the feather amount.
4.
Click OK.
To view the appearance of the feathered selection without the surrounding pixels,
select Select > Select Inverse, and then press Delete. You can then use the History
panel or Edit > Undo to try again.
Expanding or contracting a marquee
After you draw a marquee to select pixels, you can expand or contract its border.
To expand the border of a marquee:
1.
After drawing the marquee, select Select > Expand Marquee.
2.
Enter the number of pixels by which you want to expand the border of the marquee, and
click OK.
62
Chapter 3: Selecting and Transforming Objects
55.
"Bitmap
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