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So following on from the last tutorial 

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what we're going to look at today, 

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first of all, is precomposing our layers.

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So what this essentially means 

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is in our timeline 

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right now we have two layers, 

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we have our typography text 

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and we have our shape. 

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Our text is parented to our shape layer

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as we remember from last time. 

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So it follows the same characteristics 

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of the position key framing, 

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if we hit U we can see our key frames

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just there. Hit U again.

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To get rid of those. 

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so pre composing essentially brings

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our two layers and merges 

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them into one composition, 

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which then sits within our master comp.

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So to do this, let's highlight 

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both of our layers right click and

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pre compose, and we'll name this type. 

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Move all attributes  into the new composition. Click Okay.

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And now you'll see we have a composition,

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and within this composition,  if we double click it, 

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is what we had before our shape 

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layer and typography layer. 

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So now I'm trying to go back 

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to our main composition here, 

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and here's our pre comp.

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And again, in our bin 

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we can see the new composition

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has been created in our bin.

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Going back to our first ever tutorial. 

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I'm going to create a new folder 

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by clicking on the new folder tab. 

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And just make a folder 

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for all of our compositions 

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so that everything is nice and organized.

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There we go. 

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So what I can do now 

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is I can apply things 

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and effects to my type precomp 

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to affect both assets 

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within that composition. 

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So what I'm going to start off

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is hit T on my keyboard 

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to bring up the opacity,

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create a key frame

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by hitting the stopwatch, drag 

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that down to zero 

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so that it's completely transparent,

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move forward a few frames

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and set it to 100. 

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So now as this moves in 

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it will also fade in 

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and as ever, highlight 

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both my key frames 

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and hit F9 on my keyboard 

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to easy ease them.

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Excellent. 

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So now I'm going to create 

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what's called a mask 

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so this can be done in two separate ways. 

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We can click on our layer 

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and we can use the shape tool that we use 

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previously to create our shape. 

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But now, if we draw, 

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it turns yellow and it creates a mask.

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Now what a mask does 

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is that allows anything 

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within the area to be visible

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or anything outside 

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the area to be visible. 

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So now if we watch this animation, 

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we see 

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that it's only visible 

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when it comes inside this 

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yellow boundary. 

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Now, if we want everything outside 

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the boundary to be visible, 

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we can click this inverted 

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button down next to our mask,

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which is being created on our 

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timeline here and click Invert.

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And now only things underneath the mask

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or around the mask 

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I should say are visible,

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but we don't want that, 

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so we'll keep it inside as so.

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so now if we watch this back,

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it's as if it pops up

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out of the mask. 

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Now there's a few things we can do

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within our mask controls 

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to change how it looks. 

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We can drop down the arrow 

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next to our mask and we have a mask path,

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mask feather, opacity and expansion.

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Feather is a really good option 

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because what this does, 

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as the name suggests, is feathers

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the line that the mask takes. 

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So it's not quite as harsh. 

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So you can see if we just see in here.

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If I set that to zero, it's 

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a very harsh line where our mask starts.

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But if we just feather it slightly, 

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it blends it together perfectly 

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and our mask expansion 

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does what it says on the tin 

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expands the mask depended 

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on the value that you input.

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So I'll just set this 

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is 100% again, play this back,

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looking great.  So now we're going to 

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look at some very basic effects 

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down on right hand side of our window. 

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We've got effects and presets. 

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Now the good thing about  this is you can type 

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in the name of the effect  that you're looking for, 

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or you can scroll through 

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all of the separate effects 

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simply by clicking on the arrow

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and then they will all be there,

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but what we're going to 

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look at very quickly is glow. 

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So I'm going to type in glow here 

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with our pre composition selected. 

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I'm trying to drag it on 

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to our layer like that, 

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and now you'll see 

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it's popped up an Effects Control panel 

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next to our project window.

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And what this is is 

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somewhere where we can change 

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all of the different properties 

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within this effect. 

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So we can change the glow threshold. 

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We can change the radius

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and the intensity, 

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and all of this is simply 

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picked up by playing and learning

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and seeing what each 

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of these values change.

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So when you're happy with how it looks, 

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I'm going to go with something 

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very simple, a glow, 

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just like that, looks good to me.

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So again, have a play yourself, 

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feel free to play with the colors 

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and the intensity 

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and find a look that you are happy with.

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In the next video, 

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we're going to look at motion tracking, 

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so we'll bring our video back in. 

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And then we will link our 

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typography to that video.