[Bf-committers] Cycles movement blur

Carsten Wartmann cw at blenderbuch.de
Tue Nov 15 23:52:32 CET 2011

It is already possible to get this kind of motion blur in cycles. Switch to blender internal and use the sampled motion blur panel to setup. Then back in cycles you get mblur samples. Combine with an animation of the seed value and lower the cycles samples by factor of mblur samples. As result you get mblur with nearly no more extended render time.


Knapp <magick.crow at gmail.com> schrieb:

>I was just thinking today that Cycles could do motion blur without
>taking a big CPU hit. I don't know much about all this so I bet my
>ideas is wrong or old but I thought I would post it just in case.
>When we do animation the computer calculates tweens and moves stuff
>for us. It does this once per frame. Cycles does many render cycles
>per frame. It struck me today that if at each cycle pass you move the
>object you would get a blur effect. I was also thinking that you might
>move it every 100 out of a 1000 pass to get interesting stutter
>effects. I look forward to hearing if  my idea was good or only trash.
>BTW I would love to see a pause on the main render. Cycles eat my CPU
>alive and does not let me do much in the background. A nice/slow
>button might be good too but I am sure I am not the first to say this.
>Thanks for all the really cool work!! I love cycles, dynamic paint,
>motion tracking and ocean sim! All the other stuff is more in the
>background but I am sure I will be loving it too once I find it!
>Douglas E Knapp
>Creative Commons Film Group, Helping people make open source movies
>with open source software!
>Massage in Gelsenkirchen-Buer:
>Please link to me and trade links with me!
>Open Source Sci-Fi mmoRPG Game project.
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>Bf-committers at blender.org

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