![]() Color Difference Key is the simplest, basic effect for beginners.HitFilm has three primary effects for carrying out green screen removal on your videos. Masks are used to isolate (block out) video elements, place text, VFX or other shots. In layer-based video editing, masks are opaque or transparent layers that overlay shots. Rotoscoping often involves drawing masks that track an object or actors movement for animation or VFX purposes. Good screens aren’t overly reflective but light evenly and flat.Ĭompositing is the combining of two video shots into a single shot.Įvery VFX shot or green screen background is a composite shot.Īnother editing technique used for separating an element from the background of each individual video frame. Luminance is the brightness or reflectiveness of a color or screen. HitFilm’s Spill Suppression tool reduces this for cleaner composites. Light “spill” is when background color is reflected forwards and visible on the actors or objects. Makes all automatic green screening possible without the need to rotoscope. To “key” a color, you identify the hue and use that value to extract and replace the region in shot. Here we identify some key terms to describe the meaning and practical applications: Term If all the phrases and terms around green screening seem a bit confusing, have no fear. Try this guide for making a homemade green screen and shooting it correctly. Not necessarily too bright, but well enough to evenly show color.ĭon’t shoot your actors positioned too close to the screen. Unmodulated color – no wrinkles, creases, patterns or shadows. Understanding this difference will allow you to better utilize each tools strength, and speed up your workflow.Quick tip checklist for green screen greatness:Ĭhoose the best color that contrasts most with your shoot. These two although very similar have a very strong difference. (Check the video above for a demonstration) Our effect is then really easy to work with. This makes it so we can move the text, and it will either be cut off, or revealed within this rectangle. We create a rectangle shape, and then track matte our text to that shape. This means you would have to both animate the text, and then reverse animate the mask along with it. Moving the text will move the mask along with it. If you create some text, and then drag a mask onto one end of the text. Imagine you want to create an invisible line for text to come out of in After Effects. You can move all the layers around, and the track matte will stay right where it is. Making sure nothing is displayed in a certain portion of the project. It doesn’t matter which layers are present, it is doing one job. It is essentially just a property of the layer.Ī track matte however would be if you got a layer that was the same color as the background art-board, and placed it somewhere on the project, always making sure all other layers are behind it. It follows the layer and is dependent on the layer. ![]() No matter where you move this layer, that cut is still going to be present. A mask is if you took one of the layers, and cut off a portion of it. You have a bunch of pieces of papers (layers) all ready to be glued onto a large art-board. What do I mean by this? Think of it like you are working with building a real life art project. The key difference between the two however is that a mask is dependent on a specific layer, while a track matte is independent of the layers. This is useful to create reveals, to key something out, or to generate things like shapes. They cut out a portion of a layer, to reveal the layers beneath them. Difference Between Track Matte and Maskīoth of these tools have the same general effect. However, they differ in a critical area which makes each useful in it’s own way. ![]() In many cases this is true, using one or the other will result in the same final product. At the surface, the track matte and the mask seem like they do basically the same thing in Adobe After Effects.
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