AE Shadow problem with live action footage agains Green Screen at DVinfo.net

Go Back   DV Info Net > Cross-Platform Post Production Solutions > Adobe Creative Suite

Adobe Creative Suite
All about the world of Adobe Premiere and its associated plug-ins.


Reply
 
Thread Tools Search this Thread
Old September 28th, 2011, 10:07 AM   #1
Regular Crew
 
Join Date: Jul 2007
Location: Landshut, Germany
Posts: 143
AE Shadow problem with live action footage agains Green Screen

Hey Guys,

i have a shot of a guy walking shot against green screen. i'd like to replace the background and floor and cast some nifty shadows on it.

I've set up a white solid, made it 3D, then rotated it flat on the x axis and then adjusted the camaera to match the background image. then i've aligned the y position of the greenscreen footage so that it sits right on top of the white solid. then i've added a light and enabled the shadows in AE but for some reason the shadows that are being cast in AE do not originate right where the foot of the actor is, but a few pixels away.

is there a way to prevent this?

thanks!
__________________
Important notice: There's still soup left!
Daniel Raebiger is offline   Reply With Quote
Old September 30th, 2011, 02:57 AM   #2
Trustee
 
Join Date: Aug 2009
Location: Chicago, IL
Posts: 1,554
Re: AE Shadow problem with live action footage agains Green Screen

For shadows, I usually duplicate the keyed layer, turn the layer to black and skew & rotate it to make it look like a shadow. Works every time and is very simple.
Steve Kalle is offline   Reply With Quote
Old September 30th, 2011, 05:27 AM   #3
Regular Crew
 
Join Date: Jul 2007
Location: Landshut, Germany
Posts: 143
Re: AE Shadow problem with live action footage agains Green Screen

that's a neat trick! i'll try it today!
__________________
Important notice: There's still soup left!
Daniel Raebiger is offline   Reply With Quote
Old September 30th, 2011, 09:31 AM   #4
Trustee
 
Join Date: Oct 2009
Location: Mesa, AZ
Posts: 1,384
Re: AE Shadow problem with live action footage agains Green Screen

That's the way I do it too. Much easier to control.
__________________
A7RII, C100, 1Dx, 5Dmk3, 70D, Kessler goodies, Adobe, Pro Tools and more!
Robert Turchick is offline   Reply With Quote
Old September 30th, 2011, 12:24 PM   #5
Regular Crew
 
Join Date: Jul 2007
Location: Landshut, Germany
Posts: 143
Re: AE Shadow problem with live action footage agains Green Screen

Hm but you cannot have shadows from objects reflect on other objects or dynamically change the shadows by moving a light :(
__________________
Important notice: There's still soup left!
Daniel Raebiger is offline   Reply
Reply

DV Info Net refers all where-to-buy and where-to-rent questions exclusively to these trusted full line dealers and rental houses...

Professional Video
(800) 833-4801
Portland, OR

B&H Photo Video
(866) 521-7381
New York, NY

Z.G.C.
(973) 335-4460
Mountain Lakes, NJ

Abel Cine Tech
(888) 700-4416
N.Y. NY & L.A. CA

Precision Camera
(800) 677-1023
Austin, TX

DV Info Net also encourages you to support local businesses and buy from an authorized dealer in your neighborhood.
  You are here: DV Info Net > Cross-Platform Post Production Solutions > Adobe Creative Suite

Thread Tools Search this Thread
Search this Thread:

Advanced Search

 



Google
 

All times are GMT -6. The time now is 07:16 AM.


DV Info Net -- Real Names, Real People, Real Info!
1998-2017 The Digital Video Information Network