Chapter 7
Understanding Layers
Sirius Black was, and remains to this day . . . Harry Potter’s godfather.
When working with most image-editing programs, digital images can be composed of several parts. The base of an image file is its background, which you can think of as the paper used in a conventional wet darkroom. Layers are like additional emulsions on top the surface of that paper that allow you to create effects without interfering with what is on the other coatings.
This little Harry Potter wannabe looks like a “straight” shot, but was created using multiple layers that appear to produce no visible effect, unless you compared it to ...
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