[Bf-cycles] Question about Seed

[Jordan Miller]

have you tried merging them weighted ("factor" setting) proportionally to the number of samples?

jordan





On Nov 22, 2011, at 4:19 PM, Thomas Dinges wrote:

> Hi Brecht,
> I am testing the Seed function atm in the Integrator panel.
> 
> Am I right that images, rendered with different seeds can be merged 
> together?
> So for example:
> Image_1 has Seed 1 and 1000 Samples
> Image_2 has Seed 5 and 2000 Samples
> 
> Do I have 3000 Samples after merging them together?
> I did that in the compositor with the Mix node, factor 0.5 and I used 
> OpenEXR renders for it.
> The combined result was better than the single images, I have the 
> impression (more noise free).
> 
> Then I rendered another image with 600 samples, and combined it to the 
> already combined result. Now I have the impression though that the noise 
> became more again, rather than less.
> 
> So do I something wrong, or is that not supposed to work the way I use 
> it? :)
> 
> Best regards,
> Thomas
> 
> -- 
> Thomas Dinges
> Blender Developer, Artist and Musician
> 
> www.dingto.org
> 
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