Difference, Exclusion, Subtract, and Divide

In this exercise I will introduce you to the two Inversion modes, Difference and…Exclusion, as well as the two Cancellation modes, Subtract and Divide.…I am working inside of familiar looking file called Leaf demo.psd found inside…the 07_inversion folder.…In addition to the leaves in the background, I have got this full width gradient…layer in the foreground, I am going to go ahead and click on it to select it.…And then, let's switch it to the first of the modes, which is Difference.…Now what happens with difference is that anything that's black in the…active layer, does not invert the layers below at all, and anything that's…white, inverts absolutely.…

And so we end up with this gradient inversion with the gray values in-between…inverting to different degrees.…Now the great thing about difference, vis -?-vis, the other modes in this set, is…that it's the final member of the Fill Opacity eight.…So notice if I press the 5 key to reduce the opacity of his layer to 50%, we end…up getting a pretty rotten effect here.…