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AE Basics 54: Motion Tracking Part 2

CreativeCOW presents AE Basics 54: Motion Tracking Part 2 -- Adobe After Effects Tutorial


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AE Basics - A Creative COW series for new users of Adobe After Effects. Lesson 54: In this second part tutorial, Andrew Devis continues to demonstrate how to use the point tracker in Adobe After Effects. Andrew completes a slightly difficult track and shows how to adjust the track point and how to use the various tools to make sure your track is successful. Andrew finishes by showing how to link a text object to the track point to give a good organic end result.



Play Video Tutorial


Comments

Re: AE Basics 54: Motion Tracking Part 2
by Andrew Akada
Thanks so much for the great series! Big help!

Quick question, though. I seem to be doing something wrong when I try to transition with the tracking data. I clicked "apply" after working through the keyframes in the MOV layer but when I moved to the null object the keyframes (in red) don't seem to follow as they do in the tutorial.

Am I doing something wrong? Do I have to parent the null to the original tracking layer before going on?
@Andrew Akada
by Andrew Devis
HI Andrew

I'm not completely sure what you are doing, but as long as you have the null layer at the target layer and click apply, the null should track. However, you may have accidentally clicked and move the central cross-hairs or apply point. If this is the case, the null should still move as you pull the play-head through but not be in the exact point you thought it was going to be.

The tracking data should still be ok if this is the case, just move the layer you want to parent to the null to the place on screen you want it to be and then parent it to the null and it should still work fine.

Hope this helps
All the best
Andrew

... because it's all about stories ...
+1
@Andrew Devi
by Andrew Akada
Worked like a charm, Andrew. Thanks a bunch! :-)
Re: AE Basics 54: Motion Tracking Part 2
by Sarah Roberts
Thank you so much!!! I just started from scratch with the motion tracker again, and it's worked really well :-)

Now I just have to figure out how to hide my reflection layer when the eye blinks. More tutorial hunting!

Sarah
Re: AE Basics 54: Motion Tracking Part 2
by Sarah Roberts
Hi Andrew,

I'm very new to after effects, but have been learning a lot from your tutorials. I'm having a problem with an aspect of this tutorial however. I don't seem to have an 'apply' button in the tracking panel. Why would this be? I was following along with the tutorial and everything was fine until this point. Any ideas?!

I'm trying to track an image along with the video to simulate a reflection in an eye. I already have a PSD layer with my image, which I have adjusted using a layer mask, opacity and feathering. Now I just have to get it to follow along with the eye!

Thanks,

Sarah
@Sarah Robert
by Andrew Devis
Hi Sarah

The most likely thing is that you have somehow de-selected the layer you were tracking - the answer (if you haven't done lots of other things first) is to just re-select the layer. Or, you may have moved to the composition panel rather than staying in the layer panel. Once you click apply AE takes you automatically back to the comp panel.

Hope this helps
Andrew :o)

... because it's all about stories ...
Re: AE Basics 54: Motion Tracking Part 2
by Camille Katz
Hi Andrew,

your great tutorials helped me soooo much!! when i was first learning AE (nearly a year ago i think, my the time flies!) I just couldn't get this motion tracking and got all stressed and quickly shut the video before I'd start crying lol.
Now, however its much easier and this is JUST what i need to know for my project.

thank you again! you're AWESOM!!

Camille
@Camille Katz
by Andrew Devis
Camille :o) Always great to hear from you!

Really pleased it helped - and if you ever need advanced motion tracking test out Mocha AE which ships with After Effects and is a very powerful advanced tracking program.

I've done an introduction tutorial for it here http://library.creativecow.net/devis_andrew/Separating-Elements_AE/1

All the best
Andrew

... because it's all about stories ...
@Andrew Devi
by Camille Katz
Thanks, I was just going to watch that one. :)
Re: AE Basics 54: Motion Tracking Part 2
by Beatriz Nieto
Hello,

Thanks very much for all these wonderful tutorials. I had to suddenly work with this program and before finding your tutorials I was quite a mess!

I haven't yet finished watching them, as I really must have some work done now, but I seem to not find how to do what I'm trying to achieve.

What I need is to draw the lines that are created by the path that follows the motion tracker. I have tried to find the answer in different forums but I didn't really understand how to do it.

What I have is a video with some birds flying. And I must analyze their flight patterns, thus I want to draw the lines of these paths. For which I already tracked their movement with the help of these two tutorials.

How can I make a brush or pen follow the tracker while drawing the line instead of that just being an object?

Thanks a lot,
Beatriz
@Beatriz Nieto
by Andrew Devis
Hi Beatriz

The null object has lots of keyframes on it and you can use these to drive the pain tool.

So, create a new solid layer, double click it so that it opens in the layer panel and then choose the brush tool and go to the brush panel to select a brush size. Then, in the Pain panel select 'Duration' Write-on and make sure it is the colour you want.

Make sure your time indicator is at the start of your timeline and then click once at about the point you want it to start (even though it will end up being in the wrong place at some point).

Now, open up the solid layer in the timeline, then effects and then paint and Brush 1. Make sure that 'Pain on Transparent' is switched to 'on' (you won't see this in the layer panel only in the composition panel).

Now, go to your tracking null and select position so that ll the keyframes go yellow and then Edit, Copy.

Now go to the 'Path' under 'Brush 1' and Edit, Paste.

The path is probably in the wrong place, but you can move that later so don't worry.

To make it 'write-on' just animate 'Start' or 'End' under the stroke Options directly below 'Path'.

Then, go to your composition panel and move the play-head and see where you are. Then select the move tool and simply move the layer to the correct place on the screen. That should do what you want I think.

Let me know how you get on.
All the best
Andrew

... because it's all about stories ...


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