[Bf-cycles] Preview Render Scene

Brecht Van Lommel brechtvanlommel at pandora.be
Mon Jan 28 18:40:29 CET 2013

Hi Thomas,

I've done some tweaks and committed this .blend along with Sergey's
code. I've made it a bit lighter and solved the sun/hemi lamp problem.
The OSL setting will be automatically copied for the preview scene, so
that should be fine.

Feel free to tweak things further in svn.


On Sun, Jan 27, 2013 at 11:40 PM, Thomas Dinges <blender at dingto.org> wrote:
> Hey Sergey and Brecht,
> here is my Cycles Preview Scene attempt:
> Image: http://blender.dingto.org/dev/preview_render_cycles.jpg
> Blend: http://blender.dingto.org/dev/preview_cycles.blend
> What works:
> * Material Preview
> * World Preview
> * Lamps (Point, Spot and Area)
> Open issues:
> * Sun and Hemi Lamps do not work (most likely to the closed mesh)
> * As it uses the scene settings of the preview.blend, we have a issue
> with OSL.
> Either we enable OSL in the preview.blend (a bit slower then) or we
> won't have OSL previews. Alternative would be to override this parameter.
> It's fairly efficient (preview renders in <=1s here on my i7 2 GHZ and
> it uses the Non Progressive integrator, as it gives a better Noise Ratio
> (especially Glossy Reflections).
> I am open to suggestions/improvements.
> Best regards,
> Thomas
> --
> Thomas Dinges
> Blender Developer, Artist and Musician
> www.dingto.org
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> Bf-cycles at blender.org
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