2022

A Guide to QuarkXPress 2022 | 401
To hide a layer, click the eye icon . ●
To hide all but one layer, Option+click/Alt+click the eye icon . ●
If changing the blending and opacity of layers produces undesirable results, you
can revert the layers to their original state in the imported PSD file with the
Revert Layer or Revert All Layers options in the Advanced Image Control palette
menu.
Modifying PSD layer opacity
A field on the Layers pane let you control the transparency of pixels on a
selected layer. You can specify a transparency from 0% (transparent) to 100%
(opaque).
Working with layer masks
If layer masks are saved with PSD files, you can enable and disable the masks in
the Layers pane of the Advanced Image Control palette by Shift-clicking the
thumbnail preview of the layer mask.
Working with PSD channels
Photoshop channels store color information about images. By default, grayscale
and indexed color images have one channel, RGB images have three channels,
and CMYK images have four channels. These are referred to collectively as the
default channels. You can use the Channels pane of the Advanced Image Control
palette to show and hide all channels, to change the color and ink solidity of a
selected spot-color channel or alpha channel, and to assign spot colors to
selected indexed colors. For example, you might assign special effects such as
varnishes, embossing, and die cuts to channels.
Showing and hiding channels
Visible channels in imported PSD files display on screen and can be printed;
channels that are hidden do not display on screen and cannot be printed. The
process to show and hide channels is the same as for layers.
Clicking the composite channel displays all the default channels, such as CMYK
or RGB.
Modifying channel color and solidity
You can use the Advanced Image Control palette to change the color, shade, and
ink solidity of any spot color, mask, or alpha channel you created in Photoshop.
You can assign spot colors to channels that overprint composite images, and