You're absolutely right, it does, but last time I tried using it the render hit was about 45 seconds per frame! And it was a stereo 3d project so the combined render times were unacceptable...
-Chris
Sent from my iPhone This expression is a good work around and I have used it many times in the past.
The issue with it is that each layer can only have one depth value which is based on it's distance from the camera.
If your layer is rotated (typical on Y) then the depth matte for that layer should be a gradient, not a flat color.
Buena Depth does get round this problem I believe.
Phil
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On Dec 3, 2012, at 5:12 PM, jarret langmeire wrote: Awesome, Chris, thanks for that. I was trying to use Buena Depth Cue's depth but for some reason I've been unable to get it working. So yea, will definitely try your expression.
Thanks again.
On 4 December 2012 09:50, Chris Zwar <chris@chriszwar.com> wrote:
I do this a lot so I can integrate Particular / Form with the rest of my comp.
Apply the fill effect to each layer, add the following expression to the colour:
near=0;
far=10000;
cp=thisComp.layer("Camera 1").toWorld([0,0,0]);
lp=thisLayer.toWorld(anchorPoint);
d=length(cp,lp);
d=linear(d,near,far,0,1);
[d,d,d,1]
Adjust the near and far as needed.
This isnt perfect but it's a free and fast solution.
-Chris
-----Original Message-----
From: scott.aelist [mailto: scott.aelist@gmail.com]
Sent: Tuesday, December 4, 2012 09:14 AM
To: 'After Effects Mail List'
Subject: Re: [AE] Generate Z-depth pass in AE
I once asked about this because I wanted to us Frischluft on a scene. I
never tried it, but someone suggested using a light with linear falloff to
generate a luminance pass.
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Jarret
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