Knowing what an ST map is, and how you can use it to your advantage, quickly pays dividends when working in Nuke. An ST map is an image where every pixel has a unique Red and Green colour value that corresponds to an X and Y coordinate in screen-space. You can use one to efficiently warp an image in Nuke. You will sometimes see ST Maps looking like this: Visually, there is a huge difference, but when you compare the RGB channels, you’ll notice that … Continue reading Demystifying ST Maps