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Now even if you're new to animation, I'm sure you're probably already familiar with the concept of filters. They're basically an effect that you can apply to any piece of footage or graphic in your Motion project to stylize the look. Many designers fallen into the pitfall of using filters as a crutch; "I'm going to throw a filter on this, because it looks cool." And really, well, I guess in some cases that's perfectly fine, but really in most cases, just like anything else with high-end motion graphics or editing or anything like that, you want to do something for a purpose, so let's actually look at this video clip. Let's watch playback.
(video playing) So as you can see, we've got some high-energy footage of our dancer kind of practicing in the studio, and based on the angle and the motion of the move in the camera, I want to reinforce that high-energy look. So I'm going to go ahead and use filters to do that, just to add style, but again, reinforce the energy that's being created here. So go to the Library and look in this section here underneath behaviors.
There are filters and then there are Image Units. If you've watched my Getting Started chapter, you'll know that these are both filters. Just image units are ones that actually run natively off of the graphics acceleration built into OS X. I'm just going to look in the Filters section and see how we can add some energy to this. One of the things I love is the fact that we can preview everything, and as I know, I've clicked through a million of these different filters, the one that I'm looking for is called Find Edges or Edges. There we go.
This finds the edges of an image based on the luminance. Well, if we go ahead and click Apply, let's see what this does to our clip. If you press F5, you notice we didn't have anything selected, so let's select the clip and click Apply. Okay, so as you can see, we've got something going on here. If you jump to the Inspector, you'll notice there's an option for intensity, so let's crank that up here a little bit. And I'm going to zoom in on the canvas, so we can sort of see what this look like at 100%.
That filter in and of itself looks pretty cool. It only has two adjustments available: the Intensity and the Mix. So this will actually mix the filter in with the background video. One of the things that I prefer doing, as opposed to adjusting the mix, I like to just duplicate the video layer if I want to mix the scene with the video. So let's select the video layer and press Command+D. On the lower video layer, delete the filter just by selecting in the Layers panel and press Delete.
Now I know we can't see that mix happening because this top layer's visibility is still on, but dividing it up like this gives us the ability to use blend modes to control the blend, as opposed to just an opacity change between the treated footage and the untreated footage. So with our top video layer selected, if you go to the Properties section of your Inspector, go to the Blending area and adjust the blend mode. Now if you choose Multiply, notice nothing really happens. What you want to do is choose Screen because screen will make any black pixels transparent and lets light pixels show through.
So as you can see here, we've got this kind of cool effect happening. I'm just going to zoom back out here. And as you can see, I've added a little bit more energy to the scene. If we begin playback, you'll notice it's really kind of given a highly stylized look to this. Now I'm definitely not done treating the footage, but most of the time once I start layering filters and working with multiple layers like this, it's just a question of becoming a little bit of a mad scientist. You would want to go in there, mix one parameter with another and layer other filters and effects, and see what you can come up with.
So instead of diving down that rabbit hole right now, I'm going to save that for our next video.
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