Why not use Mocha to track and create a matte for the ambulance and then just stack them and offset them in time so the shadows match?


Benny Christensen
Producers Playhouse
Oklahoma City
405-858-0700

"Men occasionally stumble over the truth, but most of them pick themselves up and hurry off as if nothing ever happened." - Sir Winston Churchill

On Dec 11, 2013, at 11:55 AM, Jim Curtis <jpcurtis@me.com> wrote:

> If you're lucky enough to have consistent light on your shoot (ie, either a cloudless sky or a consistent blanket), you might be able to get away with the oft-neglected Difference Keyer.  But, I wouldn't go into an exterior shoot with that expectation.
>
> Variation: buy some blue tarps from the hardware store, and stretch them out behind the ambulance approach.  Color key them out behind the ambulances.
>
> Or, try using the new-ish roto-brush in Ae.
>
>
> On Dec 11, 2013, at 11:24 AM, Lou Wirth <loutv@mindspring.com> wrote:
>
>> I have to create a shot of several ambulances driving into a hospital, one behind the other, as if "a parade of ambulances came in".  I may have access to one ambulance to set up a drive in.  How can I shoot this so I can stack up the same ambulance in AE so I have several.  I can lock off a shot on the street or at the entrance but barring some serious rotoscoping, not sure what angle to shoot to be able to mask and duplicate and adjust the time so the same ambulance follows itself.  Hope that makes sense.
>>
>> Lou
>>
>> Lou Wirth Productions
>> 500Tamal Plaza, Suite 522
>> Corte Madera, CA 94925
>> www.louwirth.com
>> 415-924-9411p
>>
>>
>>
>>
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