It’s called ‘a’ for alpha for historical reasons at this point. It’s really a brightness pre-multiplier, and then PixelMax only updates components that are brighter, which is indeed as you suggest to make the junctions smooth.
It’s called ‘a’ for alpha for historical reasons at this point. It’s really a brightness pre-multiplier, and then PixelMax only updates components that are brighter, which is indeed as you suggest to make the junctions smooth.