How to do a Sky Replacement with Adobe After Effects CS5
Posted on: September 9, 2010
Posted in: After Effects, Video Tutorials
Look on the Bright Side | If it’s Cloudy, bring the Sun | Track, Comp, Perfection
In this tutorial, we look at how to do a complex sky replacement with Adobe After Effects CS5. We take a look at a variety of tools, including Tracking, Displacement maps, exposure, Refine Matte, Edge Blur, Colour Correction with Curves, and applying a vignette.
If you wish to download the project file for this tutorial, you can grab it here: SkyReplacmentTutorialv001.zip
If you have any comments or questions, please let me know!
Thanks!

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September 11th, 2010 at 1:03 pm
This is really nice, got some useful technique from watching this. Thank you soo much, You’re awesome!
September 11th, 2010 at 7:21 pm
I’ve learned a lot with yout tutorials.
Thank you very much, Kert.
September 14th, 2010 at 4:36 pm
could you make this in fusion also, please
September 14th, 2010 at 5:29 pm
Hi Daniel,
Is there some specific aspect of the tutorial you’d like to see in fusion? There’s a few techniques that are already covered in other tutorials (such as keying and and edge blur)
October 17th, 2010 at 8:40 am
Great tutorial man…i’ll check back regularly for more…
November 11th, 2010 at 9:14 pm
Aweeeeeeeeeeeeessssssssssssssssssoooooooooooommmmmmmme. Definitely learned more techniques from this tutorial. Keep it up man
November 17th, 2010 at 8:01 am
thanks so much for this tutorial…really appreciated
i use both AE and fusion
but i’m new to fusion and i downloaded the project files and tried to apply this tutorial in fusion and the problem is fusion doesn’t wanna load the quicktime file
in the assets folder though it works perfectly on AE
is there’s any reason for that???
November 17th, 2010 at 12:48 pm
Is this on the same machine? There shouldn’t be any reason fusion can’t load it. Try loading the clip into a new loader and see if that helps.
TTYL!
November 17th, 2010 at 7:41 pm
thanks for the reply
yea it’s on the same machine and btw my os is windows 7 64 bit, does that make a difference??…
i tried loading it again into a new loader but still nothing happens
another question if u don’t mind i was wondering how i can track rotation and scale in fusion tracker??
November 18th, 2010 at 11:59 am
Hey Amr,
Yup, Fusion doesn’t support Quicktime in windows 64. It’s a bit of a pain. As for tracking scale and rotation, you have to have multiple tracks in your tracker in order to do that.
November 20th, 2010 at 5:20 pm
well, thanks for ur help man.
i will try to convert that file to another format then…
February 10th, 2011 at 8:48 am
Hi! great!
Is it too much harder do do this with fusion or combustion? (it will be cool if you posted a complete fusion tot not just “some specific aspect of the tutorial you’d like to see in fusion?”).
Seeing that you seem to prefer nodes, but posted this for after effects…
Thanks.
March 21st, 2011 at 12:55 pm
these tutorials rock! keep ‘em up… these are great for someone who knows software (and other CS apps) but not motion graphics- well done!
April 4th, 2011 at 1:46 pm
Very nice tut. I liked the trick to matte the edges alot! But there´s just one tiny fault: The sky shouldn´t scale up.
Thanks!
April 4th, 2011 at 3:59 pm
Nice catch! You’re totally right!
It only scales a slight amount in this shot, but you’re right, that as a general rule, it should not scale at all.
June 15th, 2011 at 8:58 am
The Find Edges bit saved my ass at work today. Fantastic tutorial, Kert!
July 25th, 2011 at 12:42 pm
Please make this in Nuke..I am looking for one but I can’t find anywhere
July 25th, 2011 at 1:54 pm
It shouldn’t be that hard to apply the techniques from this video from AE to Nuke. In any case, I’ll make one for nuke as well, that’s a good idea
July 26th, 2011 at 7:14 am
Thnx a lot for great lesson!
But AE so fu**ing complicated comparing to Nuke and Fusion %)
November 19th, 2011 at 6:28 pm
Thank you SO MUCH!
You are the best!
February 25th, 2012 at 9:48 am
Outstanding tutorial…learned a lot…The best I’ve seen yet on sky replacement. Thanks man
May 15th, 2012 at 8:11 am
[...] the following tutorial, Adobe After Effects expert Kert Gartner shows you how to do an After Effects sky replacement. Transform the image of an uninteresting [...]
February 19th, 2013 at 8:21 am
its awesom!!!