What Did You Learn? 91
What DID YOu leaRn?
Descriptions
A. A slight softening effect applied most commonly to selection outlines
to simulate smooth transitions.
B. Use this tool to select free-form, straight-sided areas in an image.
C. A setting in the options bar that determines how many colors the magic
wand selects at a time, as measured in luminosity values.
D. This selection tool can actually sense the edge of an object and auto-
matically trace it.
E. This viewing mode allows you to quickly see the mask created by a se-
lection and assess the edges accurately.
F. Accessible by pressing Ctrl on the PC (� on the Mac), this tool permits
you to move selected pixels, even between images.
G. Click with this tool to select regions of color inside an image.
H. A set of selection tools that allow you to draw simple geometric shapes.
I. An intricate command that lets you edit a selection using a series of slider
bars and preview the results of those edits as you work.
J. A set of dotted lines that indicate the borders of a selected region, also
known as “marching ants.”
K. This command expands a selection to include additional contiguous
colors that fall inside the magic wand’s Tolerance range.
L. This feature of the History panel lets you bookmark a specific state in
your work, allowing you to restore it later.Key Concepts
- Selection outline
- Marquee
- Polygonal lasso
- Move tool
- Magic wand
- Tolerance
- Antialiasing
- Grow
- Magnetic lasso
- Snapshot
- Quick Mask
- Refine Edge
answers
1J, 2H, 3B, 4F, 5G, 6C, 7A, 8K, 9D, 10L, 11E, 12I
Match the key concept in the numbered list below with the letter
of the phrase that best describes it. Answers appear upside-down
at the bottom of the page.