Mastering different forms of selection creation is one of the fundamental aspects of becoming a Photoshop professional. If you don’t know half a dozen techniques or more to create a usable selection, your toolbox of skills is unnecessarily limited.
Today we’re going to take a quick look at eight popular methods for creating selections in Photoshop and where each is the most applicable.
http://designshack.net/articles/software/8-ways-to-get-the-selection-you-want-in-photoshop/