878 Adjusting your poster art dynamically

- [Instructor] In this movie, … I'll show you how to make a few dynamic adjustments … to your non destructive poster art. … And so for starters here, notice this colors layer, … you may recall that it's a gradient map adjustment layer. … So if I were to double click on this thumbnail, … I would open the Properties panel, … which contains a gradient. … And so even though we've got some … radical colors inside this gradient, … we do have some very smooth transitions, … which may make you wonder why we have such sharp edges, … in our final full color composition. … And the reason for that, … is that we're posterizing the artwork, … using a combination of these poster and channel layers. … So as you may recall, the posterize layer right here, … is reducing the number of luminance levels, … on a channel by channel basis. … And then this channel mixer layer, … is mixing a monochrome version of the image, … that contains the red channel only, and nothing more, … which is why the Gradient Map layer is constrained, …