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Old 02-12-2013, 09:51 AM   #1
Julian Cox
Hamburg, Germany
Join Date: Mar 2012
Posts: 42
Why are you doing this, zdepth?

Hey guys,

I have a question

I am working on a architectural visualisation at the moment and have some issue with my zdepth. I want to pull focus from a stone in the garden to the main building in the back of the image. So far so good.
Therefore I rendered the image (Attached), a zDepth-Pass and put them in After Effects.
I am trying around with different plugins and have therefore still got the water mark on the frischluft lenscare thingy.

Anyway, as you can see in the attached output files... this is definatly wrong... Could please someone tell me what in hell is going on?

I exported the zpass with "Vray for Cinema4D".

I suspect that the main problem is the very rough edge between the front leaf and the distant house, where the zpass goes from black to white within 3 pixels... put this just cannot be the reason for it not working...

Help please!
Thanks alot,
Attached Images
File Type: jpg Zpass_Screenshot.JPG (81.0 KB, 12 views)
File Type: jpg Rendered_Image_Screenshot.JPG (90.2 KB, 11 views)
File Type: jpg Applied_Frischluft_Screenshot.JPG (91.3 KB, 16 views)

Last edited by JayCox : 02-12-2013 at 09:56 AM.
Old 02-12-2013, 09:53 AM   #2
Julian Cox
Hamburg, Germany
Join Date: Mar 2012
Posts: 42
P.S. Since I can only upload three pics per post here is a last one with After FX Camera Lens Blur applied.

Greetz and thanks,
Attached Images
File Type: jpg Applied_CameraLensblur_Screenshot.JPG (77.8 KB, 14 views)
Old 02-12-2013, 01:45 PM   #3
theotheo's Avatar
Theodor Groeneboom
Framestore CFC
London, United Kingdom
Join Date: Jun 2003
Posts: 368
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Its the limitation of using single depth images. I suggest you render your foreground and background separately and combine them in after effects with dof on each layer.
Old 02-12-2013, 01:52 PM   #4
Join Date: Apr 2004
Posts: 497
Your Z-depth pass is anti-aliased... for post-DOF it must NOT be anti-aliased.
Old 02-12-2013, 01:52 PM   #5
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