So far, we've covered how to use effects to create a variety of interesting results. One of the most powerful ways to use effects is to actually stack them on top of one another in what is called a composite. A composite is created by combining different effects that have an element of transparency, so that you can see vertically through the various layers. By stacking layers with elements of a transparency, you can end up with interesting results and because you're going beyond the horizontal to vertical, composites are made up of what we call vertical effects.
Let's take a look at what we're talking about. Right here, we only have one clip with no effects and because we're going to be talking about vertical effects, I'm going to add another video track, Ctrl+Y or Command+Y if I'm on a Mac. This is a very elegant shot of the Ballerinas. A lot of times when you are working with vertical effects, you are juxtaposing various images, either of like images or of unlike images. So, let's experiment and juxtapose a shot of the Urban dancers, here they are.
Going to patch V1 to V2 because we want our video track on the source to correspond to the second video track on the record, set up this horizontal relationship, and we mark an in and an out in the timeline, and I will overwrite, and because our monitor is here on V2, if I scroll through, notice that I don't have any element of transparency. It's opaque, I just see my Urban dancers until they're over, and then I go back to the Ballerinas.
So, let's go to our Blend category and everything in here has an element of transparency, so we're able to see through the various vertical video layers. I'll grab my Superimpose, which is one of the most basic vertical effects, and drag it to V2. By default, it gives about 50% superimposition on that second video track. If I go into the Effect Editor, you can see that my level is at 50 the entire way through.
A lot of times people superimpose by bringing it up and then fading it back down, which is what we'll do here. So I'll add some keyframes to the beginning and end, and we'll start here with a Level of zero. As this comes up, let's have it come up to our 50%. Again, I'm typing in 50 in the numeric keypad and we'll have it stay at 50% until about this third keyframe here, and then bring it back down to zero at the end.
So now we have it fading up, superimposing, and fading back down. So, we've animated the superimposition. Now if I wanted to do that again, Ctrl+Y, let's get our Spanish dancers to get a third type of dancing. And I'll go ahead and just drag it from the source to the Timeline, making sure that my Lift/Overwrite Segment Mode is selected, like so.
Again, put another Superimpose on it and we'll animate it accordingly. We'll start this at zero, bring it up to maybe 60 or so, and keyframe and we'll go ahead and copy, Ctrl+C, Ctrl+V, and then bring it back down to zero. Let's take a look and see how we like it.
Now imagine this with music. I kind of like it. We have the elegance of the ballerinas, kind of the more jazzy jivey urban dancers, and the more romantic Spanish dancers back, and we end on our elegant ballerinas. Okay, so the superimpose effect allows us to see more than one video track at a time and it's a great tool for juxtaposing like or unlike images to communicate a relationship or idea between the images.
In the next movie, we'll take a look at some more complex vertical effects, as well as how to combine more than two or three video layers to create a composite.
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