VP LED (ICVFX)

 

Hi,

I have a kinda stupid question, in standard UE 4 & 5 when we do the ICVFX we have Multiuser to control over nDisplay. while we project the Data to the LED. which means we can adjust it in real-time and got an update on the screen too.

So my question is do Aximmetry has the Option to adjust the scene in real-time too while we projecting to the LED screen?

For in Aximmetry Green screen, we have to update anything in UE Editor then cook then go back to Aximmetry compressor, then if we want to change anything we have to go back to the Editor. It's very time-consuming. For ICVFX workflow we have to move objects a lot according to the director and art director's wants, especially we need to mix and match with the physical Object (background and foreground).

I want to use Aximmetry for my ICVFX because the interface is very clean and less error while working on the project

Best regards, Thanks 


   Jiming

 
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RBellgardt
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You can pass transformation for just about anything in the level blueprint of the UE scene.

See here: https://aximmetry.com/learn/virtual-production-workflow/preparation-of-the-production-environment-phase-i/obtaining-graphics-and-virtual-assets/creating-content/creating-content-for-aximmetry-de/passing-data-from-aximmetry-de-to-unreal-engine/

I just came off a 10 day LED wall shoot with 20 UE scenes and a large crew. Sometimes I had scenes set up with transforms ready to go in Aximmetry, mostly light positions and intensities but also some objects that we knew might need to be moved around. This was helpful, but it's not really practical to have everything in your scene set up this way if you have a large scene. Thankfully, the cooking process is quick after you've done it once, so I would sometimes have UE open in the background and make changes that would update in Axi after about 20 seconds. Then I'd close UE so Axi would run more smoothly. With hair, makeup, blocking, props etc all going on, the production was never waiting on a scene to cook. 

You can also run the project in Live mode, but I had issues using remote renderers. I was able to move anything around and make changes in real time though without any blueprinting in the level blueprint.

We had a gaffer on the show that worked on Mandalorian and he was very impressed with how efficient Aximmetry was compared to other ICVFX solutions he's seen. He was amazed that one person could do just about every task related to the LED wall. I believe it's absolutely worth it.

Hope this is helpful. 

 
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RBellgardt
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Another tip I found really useful was creating essentially a gel for the wall using a blender node and a solid color node. You can set the blender node to "Color" as the transfer mode. Use the solid color as the foreground and your LED wall output as the background. I was able to warm or cool the wall to match the foreground lighting. The DP was very appreciative.