Have you ever tried figuring out the difference between Straight Alpha and Premultiplied alpha and when to use what?
Some people insist premultiplied alpha is the way to go, some say straight alpha. To be frank, both are equal in most situations as long as the math and compositing software’s interpretation of the channels is done correctly. But there are cases only one of the two should be used for best results!
But lets start with an explanation of what premultiplied and straight alpha is:Continue Reading