I could think of lots of ways to split it into manageable parts. One example is to use a master comp for all the elements, and have 20x cameras. When elements go across screens you just move into that comp with linked properties and elements. That way you have a consistent screen space, but the image is broken into separate comps. Or create a master project at less than 1/4 resolution as a guide, and then scale up vector elements. And as Stephen Van Vuuren is so fond of telling us, AE simply does not have the frame buffer capabilities to work in a single 20K comp. You'd need to use Nuke

-TG

On Wed, Jan 15, 2014 at 11:55 AM, Greg Balint <delrazoraelist@gmail.com> wrote:

Considering it's a "wall" format.. the client probably wants content that will span across and animate across all screens continuously.. This would probably get pretty hard to design for if only one 4k screen could be designed at a time.

On Wed, Jan 15, 2014 at 11:41 AM, Teddy Gage <teddygage@gmail.com> wrote:

Sorry if this is a dumb idea, but what's stopping you from working on 20 individual 4K projects and then syncing them up after the fact? Seems to me breaking it into chunks is the answer. And that way if one render fails or you need to tweak a single video you're not stuck re-rendering the whole project.

Either that or buy 5 new mac pros for $10k a pop and have them each driving four displays, live.

On Wed, Jan 15, 2014 at 4:47 AM, Chris Zwar <chris@chriszwar.com> wrote:

Hoping I can pick the brains of the group…

A marketing agency has approached us with a concept for a display of 4K TVs.  Stripping away the creative it's basically a video wall made up of 4K TVs.  The problem is that they want each TV to be displaying a full 4K stream, so the pixels add up very quickly.

4K is 3840 x 2160.

If this hypothetical video wall was 5 TVs across by 4 TVs down, the overall canvas would be 19,200 x 8640.  I think the actual design was for even more, I think it was 8 across (30,720 pixels).

I really don't think it's feasible to work at such a high resolution in any software package.  I've had one After Effects project that was about 10K x 1080, and probably the biggest I've done was about 7K x 3K, and I really wouldn't want to go much bigger in After Effects.  However I don't think any compositing package - or even software package - would be much fun working with projects in then 10's of thousands of pixels.

Apart from the playback issues (don't know how they plan on playing back to 20 - 30 4K TVs, perhaps Watchout can do it?) I'm not sure how to approach the project without doing it at a lower res and scaling up.  And that's what we would normally do - and often do when the delivery resolution gets too high - but the whole point of this marketing exercise is to have each TV playing back a full res 4K stream…

So I am wondering what are the largest resolutions that people here work with successfully?  If we had access to a few gigapixel photographs would it be possible to do a simple slideshow type thing at 20 or 30K?


-Chris
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