Adobe® Photoshop® 7.0 Classroom in a Book®

Editing a mask

Now you’ll touch up your selection of the egret by editing the mask channel. It’s easy to miss tiny areas when making a selection. You may not even see these imperfections until you view the saved selection as a channel mask.

You can use most painting and editing tools to edit a channel mask, just as you did when editing in Quick Mask mode. This time you’ll display and edit the mask as a grayscale image.

1.	With the Egret channel selected, click any eye icon () appearing next to the other channels to hide all channels except the Egret channel (if necessary). When only the Egret channel has an eye icon, the image window displays ...