Adobe photoshop elements 사용자 설명서

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CHAPTER 8
166
Using Layers
Using the Layers palette
The Layers palette lists all layers in an image, 
starting with the topmost layer. The order of layers 
in the Layers palette indicates the order of layers in 
the image—the topmost layer in the Layers palette 
is the topmost layer in the image. You can change 
the stacking order of layers by dragging a layer to a 
new position in the Layers palette.
About the background layer
When you create a new image with a white 
background or a colored background, the 
bottommost image in the Layers palette is called 
Background. You cannot change the stacking order 
of a background, change its blending mode, or 
change its opacity. However, you can convert a 
background to a regular layer. (See “Adding layers” 
on page 170.)
When you create a new image with transparent 
contents, the bottommost layer is called Layer 1. 
This layer is not constrained like the background 
layer; you can move it anywhere in the Layers 
palette, and change its opacity and blending mode.
Because the background can never be transparent, 
it’s helpful to have a background when you want to 
create an image that will not have any transparent 
regions. If you want to create an image with trans-
parent regions—for example, for a transparent 
GIF on a Web page—you’ll want to create an image 
without a background. For information on 
converting a layer to a background, see “Adding 
layers” on page 170.
About the Layers palette
Changes to an image affect only the highlighted or 
active layer. You select a layer to make it active, and 
only one layer can be active at a time. You can 
accomplish many tasks—such as creating, hiding, 
displaying, copying, and deleting a layer—using 
the icons in the Layers palette. You can access 
additional commands and options in the Layers 
palette menu and the Layers menu.
The Layers palette uses icons to provide infor-
mation about layers. The leftmost column in the 
palette displays an eye icon next to visible layers 
and no eye icon to hidden layers. 
The second column from the left shows a paint-
brush icon next to the active layer; layers without 
the paintbrush icon cannot be modified. It also 
shows a link icon for layers that are linked to the 
active layer.