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DD-35 Chroma Key Wipe

3 replies [Last post]
Thu, 07/05/2007 - 12:52
cinejazz
User offline. Last seen 7 years 50 weeks ago. Offline
Joined: 5 Jul 2007

I'm trying to do a video fill into a switcher wipe using a green chroma key border on the wipe to generate the chroma key itself. I'm just using a background loop. The end result will be a switcher wipe (with a border) utilizing the dynachrome chroma key green to key the background in as the wipe goes across the screen. Rex Colby showed me this wipe years ago, and I don't recall how to set it up again.

Thanks,
Josh

Josh Locklair

Director/TD

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Sat, 07/07/2007 - 11:57
#1
Sean
User offline. Last seen 4 years 51 weeks ago. Offline
Joined: 26 Aug 2005
Chris, the DD-35 does not have an option for feeding video directly to wipe borders. Josh, I have heard from Rex and the 2 ME method is what he had shown you. To clarify, in that scenario, even though the physical wipe takes place in ME3, you would be taking ME1 to air. Yell if you need more info. Sean
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Thu, 07/05/2007 - 15:04
#2
Chris Boden
Chris Boden's picture
User offline. Last seen 10 years 33 weeks ago. Offline
Joined: 24 Sep 2005
Hi Josh! I hope that I understand what your effect has to look like, but I think it's not so difficult. Can't you use a utility bus as a wipe border source? You don't need a whole M/E for that effect, I think. But it's late and I've worked enough for today, perhaps I'm totally wrong because even the letters on my computer screen are jumping around without my help... time to sleep... Chris
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Thu, 07/05/2007 - 13:32
#3
Sean
User offline. Last seen 4 years 51 weeks ago. Offline
Joined: 26 Aug 2005
Josh, the first thing that comes to mind is to burn two MEs to do this. Let's use ME 1 and 3. 1 is where our setup is, 3 is where we are actually wiping. 1. In ME3, setup a wipe between whatever two sources (VT-A and VT-X) you want and set your border to green. Run the fader to the midpoint so you can see the border. 2. In ME1, simply chromakey ME3 over your background loop source. 3. Now when you do your wipe in ME3 you will see the background loop in the border. If you macro the whole works, you can have the wipe get selected- using whatever two sources the situation calls for, ME1 get put in its proper configuration, run the wipe and ME1 pops back to your basic OTS setup or whatever. This isn't the most elegant of solutions, so I'm going to try and go one better and ask The Man himself to weigh in (Rex being much more elegant than myself!) Sean
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