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Need help with color correction/compositing..
Posted by Geo Lam on June 20, 2008 at 1:36 pmHi, I’m new to compositing..
I want to do a scene very common in movies (The Day After Tomorrow or 28 Weeks Later, etc) where a normal city shot is changed to look like the world’s ending.. craters, fire, smoke, smashed buildings 😀First, I’ve been trying to color-correct the shot. It’s a still-shot taken in daylight.
I’ve played around with it in Photoshop.. but it looked stupid..Would anyone have any tips to help me get started or direct me to a tutorial?
Many thanks
Darby Edelen replied 17 years, 10 months ago 3 Members · 7 Replies -
7 Replies
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Joey Foreman
June 20, 2008 at 4:18 pmHow are your matte painting, motion tracking, and 3d skills?
Joey Foreman
Editor/Animator
Nowhere Productions, Athens, GA -
Geo Lam
June 20, 2008 at 5:21 pmThanks for your reply Joey
1. Matte painting is none existant, as I’m just starting to get into it.
2. I can track motion as far as: Using the inbuilt AE motion tracker and rotoscoping track points
3. I’ve never used a 3D program before.
I’ve still got a long way to go, eh 🙂
If anyone could direct me to some tutorials, that’d be greatly appreciated
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Geo Lam
June 20, 2008 at 5:40 pmI want to especially learn about matte painting..
3D is not much of an issue yet as I plan to do these scenes with still images for now.. -
Joey Foreman
June 21, 2008 at 1:42 amCheck out this tutorial.
https://www.videocopilot.net/tutorials.html?id=16
Joey Foreman
Editor/Animator
Nowhere Productions, Athens, GA -
Geo Lam
June 21, 2008 at 11:42 amThanks for that, really got me started :]
Now I’m hungry for more lol -
Joey Foreman
June 21, 2008 at 1:17 pmhttps://www.thegnomonworkshop.com/dvds/cst01.html
Joey Foreman
Editor/Animator
Nowhere Productions, Athens, GA -
Darby Edelen
June 28, 2008 at 8:37 amI’ll mention that in terms of color correcting a shot you can do a lot with the Multiply blend mode.
If you create, for example, an orange to white ramp (Generate > Ramp), place it at the top of your timeline, set it to multiply and tweak the opacity and ramp settings you have basically added a graduated warming filter to your footage. If you change it to a blue to white ramp then you have a graduated cooling filter. Change it to blue to orange and you have… well… a graduated warming/cooling filter!
The possibilities are endless, but you should probably restrict this to simple adjustments as they can be some of the most effective, here are some examples of real world graduated filters in action:
https://i.pbase.com/g6/10/650910/2/83368547.XQNEmVXe.jpg
https://betelgeuse.umeqs.maine.edu/chris/favorites/Nubble_Light.jpg
https://farm1.static.flickr.com/252/515230626_8e3a34b034.jpg?v=0
https://ec3.images-amazon.com/images/P/B000CCMXY2.01-A3UZCU9A1C4NCZ._AA280_SCLZZZZZZZ_.jpg
Your results in AE may not be as dramatic as most of the above examples unless you have HDR images. If your sky is clipped, for example, then trying to emulate a graduated ND filter in AE will most likely just make your sky look darker and not bring out the stunning details (since those details were clipped into oblivion). But you can still make subtle adjustments and color ramps.
This works especially well in 32bpc linear mode, but comes at the cost of render time.
Darby Edelen
Lead Designer
Left Coast Digital
Santa Cruz, CA
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