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Editing challenge - 360 degree filming

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Steve Shelton
Editing challenge - 360 degree filming
on Jan 11, 2015 at 4:06:03 pm

OK bit of a technical editing challenge I'm looking for alternative ideas on or rather how best to do it. I'm doing a music video for my band and in one part of the plot the room starts spinning. I have a room with 360 degree panorama, it has curved distortions but I like the effect, and the room is a jpeg which I will use as the background. I then want to put moving people in the room green screened on top of this panorama jpg. The challenge is how best to set up, in the Sony Vegas timeline, the room spinning around with the green screened people maintaining their position in the room (i.e. spinning with the room), as if the camera was on a tripod in the centre and turned around and around. I can see a fairly manually intensive way of moving everything individually (and we're talking a lot of green screen people - 12 ish) and then jumping from the right hand side of the background jpg to the left once the end of the right hand side is reached but I was wondering if there was an easier way where the green screening figures in front can be tied into the track motion panning across the background jpg and how best to keep cycling the background around and around. Hope that makes sense - and I'm not too embarrassed by a painfully obvious answer! btw I'm not on Sony Pro yet (just movie platinum, 12 ...I know I know upgrade)
many thanks in advance
Steve - Cornwall UK


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John Rofrano
Re: Editing challenge - 360 degree filming
on Jan 11, 2015 at 4:27:52 pm

I guess the question is, "How are you going to spin the room?" If it's already a 360 degree view you may just need to pan across it to simulate spinning.

What I would do is chroma key the people into the room before you spin it. Then render that out so all of the people are where they need to be in the room. Then spin the room.

~jr

http://www.johnrofrano.com
http://www.vasst.com



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Steve Shelton
Re: Editing challenge - 360 degree filming
on Jan 11, 2015 at 5:05:15 pm

Hello John, thank you for reply, yes sorry prob not described needs very well. That's sounds good but I want to keep the definition of the output video as best as possible, HD, so am I able to render a pre master output of people in place in room that is really wide, say order of 6000 x 1080 pixels? So after I've rendered it and drop it in the master project I can zoom in and pan across I have a track motion size that give 1920 x 1080 HD output quality? Alternatively if I can't do that (6000x1080 output) it has just occurred to me, triggered by your reply, I could split the room into, say, 3 segments, render each with people in place and join them effectively in line with each other and pan across, hopefully without any join line (?) (processing demand will be a bit tamer that way too).
Steve


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John Rofrano
Re: Editing challenge - 360 degree filming
on Jan 11, 2015 at 7:07:11 pm

Sounds like you're working it out. Unfortunately Vegas Pro won't allow you to make a 6000x1080 project. 4096x1080 is as wide as it supports. But you get the idea; make a wide project and stitch it together and then use a 1920x0180 crop to pan across it at full rez HD.

~jr

http://www.johnrofrano.com
http://www.vasst.com



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Steve Shelton
Re: Editing challenge - 360 degree filming
on Jan 11, 2015 at 8:49:20 pm

Thank you John, I didn't know what was the max size I could render to, looks like I can split into two halves then, say approx 3000 wide. I can work away in confidence now!


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Steve Shelton
Re: Editing challenge - 360 degree filming
on Jan 11, 2015 at 9:21:52 pm

John, just one question - what codec allows me to render to 4096 wide. At present when I'm doing what I call a sub mix (a render to go into the master project for a final rendering) I use the XDCAM EX (mp4) codec as this was the one a couple of years ago you advised me was the best lossless render to use if transferring into a master project (and it has works extremely well thank you). Can I just customise the setting is this or is there a special codec I need to be using?
Kind regards
Steve


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John Rofrano
Re: Editing challenge - 360 degree filming
on Jan 12, 2015 at 10:05:19 pm

[Steve Shelton] "what codec allows me to render to 4096 wide. "
You may have to use a codec like Logarith that doesn't care what the dimensions are so that you can make a 4096x1080 video. You'll have to download the 64-bit version of Logarith and install it and then make a template for it under Video for Windows (*.avi).

~jr

http://www.johnrofrano.com
http://www.vasst.com



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