[Bf-committers] compositor defocus node

Christopher Cherrett ccherrett at openoctave.org
Fri Oct 22 20:21:00 CEST 2010

  While the defocus node is getting some attention I would like to point 
out that rack focusing with defocus does not work well. Objects jump in 
and out of focus with hard edged lines on the blur.

-------- Original Message  --------
Subject: [Bf-committers] compositor defocus node
From: Jeroen Bakker <j.bakker at atmind.nl>
To: bf-blender developers <bf-committers at blender.org>
Date: 10/22/2010 10:09 AM
> Hi All,
> I have reverse engineered the compositor defocus algorithm to its purest
> form. the result I have posted on my blog.
> http://sicg.atmind.nl/index.php?option=com_content&view=article&id=29:blender-defocus-algorithm
> The current implementation is not depth aware. I am not sure that this
> is a real issue, as nobody complains. I am also not sure about the many
> filter types and settings. the circle has a faster algorithm then the
> rest of the filters, but visually they do not differ much.
> Hope it is helpful to you all. Btw I am pleased with the speedup (50% on
> my system). Will try on a GTX200 series next week.
> Cheers,
> Jeroen
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Christopher Cherrett
ccherrett at openoctave.org

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