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One of the most powerful 3D applications on the market, Maya 2010, now includes three complimentary bundled applications: MatchMover, powerful camera matching software; Toxik, a node-based compositor; and Backburner, a network rendering manager for Maya, 3ds Max, and Toxik. In Maya 2010: Getting Started with MatchMover, Toxik, and Backburner, instructor George Maestri demonstrates how to use these applications with Maya's existing powerful feature set to create engaging 3D animations. Exercise files accompany the course.
When doing composites, one of the more important things that you need to learn how to do is how to create mattes and Garbage mattes. So, let me show you how to do this. We are going to use a matte in order to wipe on this title. So this'll be a very simple application of a matte, but you can extend this for whatever needs you have. Now, mattes are actually done under Paint/Roto. There's one called Garbage Mask. So again, I'm just going to go into my Composition and I am going to go after the Color Correction on this title, onto this wire right here and let's just go ahead and add in a Garbage Mask.
Now, when I click on that and go over its controls, you'll see we've got a couple of options here. Along here, we have a list of all the mattes in that particular node, so you can actually have one node containing multiple mattes. Then here are our tools that allow us to draw the mattes, and then for each matte that's selected, we have controls for how those particular mattes work. So before I actually get down to matting this particular title, let me just do a quick draw of a matte, so I can just show you how to draw kind of random matte here.
So I am going to go ahead and highlight this one here, and this is our Bezier type of matte, and then all I have to do is go into my window and then left-click and then I can just create whatever matte I want. Now, once I have that matte, you can see it shows up here. It has a color and now I can work with it. So, once I highlight that I can actually go into my matte, I can change its size, its shape, I can actually animate these, and pretty much do whatever I want.
Now if don't want this, all I have to do is select all points and hit Delete and that goes away. So, what we really want to do here is basically create a wipe, so that's actually going to be more of a rectangle, than just a random shape. So, I am going go ahead and just draw a rectangle in here. So as you can see, this particular comp called isn't quite working. That's because I'm using the wrong Composition mode. Now, if I wanted to, I could actually change that here before I drew it, but once it's been drawn, I have to change it here in this list.
So actually, I have kind of a small screen here, so I actually kind of have to scroll over. You might not have to worry too much about this because you will probably be working on a larger screen than me, but right here is the way that we're comping this particular mask. Now if we had more than one mask, we would actually have a list in this particular Window. So, for this type of mask, we actually want to do what's called a Cutout. So I am just going to go and change that to Cutout, and you see what it does is it cuts out those pixels and leaves what's behind. Let me go over here and we can see how this works.
So now, I have this particular matte, and I can click on this and now I can actually select all of these and if I wanted to, I can move them. This is my matte. Now if I wanted to actually highlight the whole thing, I could actually just highlight these pixels, and do my wipe. Now this is where animation gets in, but also notice we have a very hard edge on this, and I really don't want my edge to be so hard. I want kind of a softer edge. So, all I have to do is hit Ctrll+Left-Click and I can actually make a feathered edge on any mask.
So, all you have to do is Ctrl+Drag and you are going to go outside or inside of this to make your feathered edge. Now I am actually going to do this on the inside, and now if I click off of this, go to Output, you can see I've got kind of this feathered edge, and if I go here, I can actually maybe move this over just a little bit, so you can see that. You can see now I have that soft edge. So, those are the basics of creating masks. You can actually create masks of any shape. You can create circular, rectangular masks, or mask using Beziers, and you can use a number of different compositing modes to composite your footage together.
Probably the best way to work with Garbage Masks is to just play with them. So go ahead and start drawing some mattes and see how they work and you'll get the hang of it.
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