Refining a jagged Magic Wand mask

In this exercise, we're going to refine our mask as well as our compositing to…achieve a more convincing glass effect.…I've saved my progress as Jagged layer mask.psd found inside the 09_layer_masks…folder, and you may recall if you Alt+ Click or Option+Click on that layer mask…thumbnail, so that we can view the layer mask independently, we have some very…jagged transitions at work.…All right, let's go ahead and bring the RGB image back by Alt+Clicking or…Option+Clicking on the layer Mask thumbnail again, make sure the layer mask is…selected and then go up to the Select menu and choose the Refine Mask command or…press Ctrl+Alt+R or Command+Option+R on the Mac.…

Now notice that my View option is currently set to Black & White, so that I can…keep an eye on that layer mask, I'm going to crank the Smooth value up to 10…pixels for this effect and that does a great job of smoothing off those edges.…I also experimented, by the way, with the Radius value.…I went ahead and took it up to 10 pixels let's say, and that does a pretty…