Datasheet

62 Manipulating Images
PhotoPlus lets you show, hide, and
select composite or specific
channels of any photo from a
single point, called the Channels
tab. This tab lists the composite
RGB and each individual Red,
Green and Blue channel in turn.
By default, all channels are selected
and visible (see opposite).
Why do we want to select channels anyway? This is because you can apply an
edit to an individual channel in isolation. Typically, you could:
• Apply a filter effect
• Make an image adjustment
• Paint onto a channel
• Paste selections
• Apply a color fill
To hide/show channels:
1. Select the Channels tab.
2. Decide which channel you want to hide in isolation.
3.
Click the eye icon next to the channel (it doesn't have to be
selected) to make it hidden. When the icon is clicked again, the
channel is made visible.
To view selected channels in color rather than grayscale, check the
Show Channels in Color option (click the button on the tab).
The composite RGB channel is shown only when all the other
channels are shown. When only a single or pair of single channels is
shown the composite channel will never be shown.