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iWork for Mac OS X Cookbook by Alexander Anichkin

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Removing and changing the background in photos with Instant Alpha

This is a popular graphic design trick. You take a picture of a person, remove the background and put the person in front, for example, of a famous landmark.

Getting ready

Here is a photo of the monument to the American Navy at Utah Beach in Normandy, France.

Getting ready

We can use the Instant Alpha tool to replace the peaceful blue sky and instead put in a real documentary photo of American forces landing at Utah Beach on D-day in 1944.

Getting ready

How to do it...

  1. Remove the sky in the photo of the monument ...

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