Mick Hazelgrove wrote:
> 
> Hi
> 
> I have a pic with two HFs, several animal meshes and clouds using the
> stacked plane technique.
> 
> Each individual item parses and renders within a few minutes but put
> together I suspect a render time in excess of 3 days!
> 
> I believe this has something to do with the combination of the HF which use
> the superpatch slope texture method with some transparency in one of the
> textures and the sky.
> 
> Can anyone explain this and possibly suggest a solution.
> 
> BTW max_trace_level is set at 124 there are 80 odd planes in the sky! but I
> suspect could be lowered but at these render times I'm loath to experiment.
> 
> Mick

80 planes !!
Can you reduce this by using layered textures on fewer planes?
Perhaps combine some of your pigments with pigment_maps.
Do the cloud planes cast shadows, can you use no_shadow for at least
some of them?

Cheers, PoD.

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