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On Oct 10, 2018, 8:21 AM +0330, David Torno <AE-List@media-motion.tv>, wrote:
Sounds interesting. First off there is no source object for a Camera Layer object. So treating it like a video footage in the project panel isn't possible.
You can however use scripting to gather all camera layers that exist and then compare them to a designated "master" camera to see if they match at least. Depending on the attributes that are different you might be able to even set the different ones to match your "master" via scripting as well.
It could also be possible to set expressions via script to tie all cameras to a chosen "master".
Takes a bit of coding but probably possible.
While this won't be a total solution, I do have a project overview script in beta at the moment. This may at least allow you to see all of your After Effects camera layers in a way to easily identify differences.
If you are interested in trying it out send me a direct email and I will get you a download link.
David Torno
818.391.6060
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"The most useless day is that in which we do not laugh"
-Charles Field
Finally catching up…
Thanks Robert, yes that’s what I should have done - but as David asks, I should’ve worked out what I was trying to actually do before posing the question.
The problem I had was that I had multiple/individual AE projects with various states of R&D. These individual projects all had cameras imported into them, the cameras continued to evolve in the 3D department while I was working on FX. All the individual AE projects were then imported into 1 master project, and so I ended up with various cameras and no version control.
The silly thing is that I’ve posted at least two tutorials which demonstrate making a “master” camera and then making a clone. As Phil said, copying with links is all I need. So I should practise what I preach!
Part of the reason I posted was that, as a result of sleep deprivation, I was thinking of the camera layer as a single imported object. I was wondering if there was a way to “reveal” the original camera in the project window and “replace” as you would a footage item. I was also wanting to know how many times an individual camera was used in the project, like with footage.
It would be nice to be able to do that…
-Chris
Hi Chris
im a bit late on this thread, but i think i have a solution that i came up with recently that might work in your case too.
In one comp i have a "Linker Camera" that i have setup as the camera that is all other comps cameras are linked to. And this "Linker Cam" is parented to the 1 instance of an animated camera that can be imported from eg Cinema4D, just remember to hold Shift while parenting the "Linker Cam" to the animated camera so it will take on the transform values from the animated camera, then i have expression on all relevant parameters and extract them with the "parent." method.
maybe its easier to follow just taking a look at a simplified project.
in "Comp 1" you find the only cameras you need to adjust, the "Linker Cam" you shift+parent to what imported camera you have here, cameras in Comp 2 and Comp 3 will follow.
hope this maybe can help in future projects :-)
Hi Chris,
What exactly are you trying to accomplish? This sounds like a script automation thing so far. You want to replicate a camera build in all comps?
David Torno
818.391.6060
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"The most useless day is that in which we do not laugh"
-Charles Field
Yes, if I was starting fresh I’d do it that way, I might go through the whole project and replace the cameras with ones that have linked properties, just to tidy it up a bit.
I’m really just thinking out lout, but basically if I have 10 comps with the same camera in them, and I want to duplicate them all but then swap the camera, then I’m still manually copying & pasting 10 times. I keep wanting to do something like an alt-drag / replace footage but with a camera. I’m only thinking about it now because many of my comps have nulls and location markers parented to the camera, so even pasting a new camera into the composition means I’m having to manually re-parent.
Seems like the you could just copy the camera with linked properties into each comp.
Seems really clean and efficient workflow to me.
Phil
| Phil Spitler Creative Technologist |
Hi all,
Just wanting to pick the collective brains on how everyone is keeping track of multiple cameras in large projects. I like to think my projects are well organised but this is one thing that I haven’t cracked yet.
Currently I’m working on a sequence that has over 20 shots in it, compositing multipass-renders from 3D. I get a camera for each shot, which I’m then using to roll out multiple FX that are being generated in After Effects for the composites. I would guess that each camera is used in 10 - 15 additional precomps for each shot.
The problem is that as the animation progresses, the cameras are often changed and updated. Swapping out 3D renders is simple, but so far I’m importing each new camera and manually pasting it into each composition. This means I can miss comps because the process is manual. And as the new cameras have new names, this can also break expressions and parenting.
In previous projects I’ve had a “master” camera that I’ve then linked to with expressions to create a version that I can roll out in precomps, and always use that one instead. If I planned ahead a bit better I would have done that here, but it’s not something I’ve done with 20+ shots, each with individual cameras.
Does anyone have a better & cleaner method than making a master camera comp that is always linked to via expressions?
-Chris
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