On 23-9-2013 18:52, Samuel Benge wrote:
> Cool!

<grin>

>
> I'm concerned that the focal blur only blurs the volume along 2 axes.

Really? I don't think so. When you follow the tracing of the slices, you 
can see that blurring also occurs along the z-axis. This is taken into 
account in the final df3.

>
> Also, adding turbulence can result in very slow renders. Sometimes it's possible
> to hide a granite pattern in a volume-based pigment_pattern instead... this is
> usually faster than using turbulence. Or, you can try to get away with fewer
> turbulence octaves... but of course I'm always trying to maximize my PPS :)

Yes, I noticed the slow down. One of the things I want to try is indeed 
what you suggest.

Thomas

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