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CHAPTER 8
224
Using Layers
image, for example, you can choose to exclude the
Red channel from blending, and change in the
composite image only the channel information
contained in Green and Blue.
For more information, see "About color
channels" in online Help.
To exclude channels from blending:
Select the layer or layer set from which you want
1
to exclude channels.
Double-click a layer or layer set name or a layer
•
thumbnail.
2
In the dialog box, deselect any channels that you
do not want to include when the layer is blended.
Grouping blend effects
By default, layers in a clipping group are blended
with the underlying layers using the blending
mode of the bottommost layer in the group.
However, you can choose to have the blending
mode of the bottommost layer apply only to that
layer, allowing you to maintain the original
blending appearance of the clipped layers.
For more information on clipping groups,
see "Creating clipping groups" on page 218.
In addition, you can choose to have the blending
mode of any layer apply to all layer effects that fall
within the boundaries of that layer. Thus, you can
choose to have a layer's blending mode apply to its
own Inner Glow, Satin, or Overlay. Conversely,
you cannot choose to apply the layer's mode to an
Outer Glow or Outer Shadow, because these
effects fall outside the layer's original boundaries.
To specify the scope of blend effects:
Select the layer that you want to affect such as
1
the bottom layer of a clipping group.
To display the Advanced Blending options,
2
do one of the following:
(Photoshop) Select a layer and choose Layer >
•
Layer Style > Blending Options. (See "Using the
Layer Style dialog box (Photoshop)" on page 220.)
(ImageReady) Choose Windows > Show Layer
•
Options/Style to display the Layer Options palette.
If the advanced options are not showing in the
Layer Options palette, choose Show Options from
the palette menu or click the Show Options
button ( ) to view all of the options.
To blend the layers in a clipping group using
3
only the blending option applied to the base layer,
select Blend Clipped Layers as Group option.
This option, which is always selected by default,
causes the blending mode of the bottom layer
in a clipping group to be applied to all layers
within the group. Deselecting this option allows
you to maintain the original blending mode and
appearance of each layer in the group.
Blend Clipped Layers as Group option deselected and selected
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