[Radiance-general] running radiance on multiple cores

[Greg Ward]

OK, at least we found the issue with the tile variances.  A less expensive parameter change that might work as well is "-dt .03 -dc 1".  This will turn off the effect of statistics gathered by the individual rpict processes on the results.

-Greg

> From: "Giovanni Betti" <gbetti at fosterandpartners.com>
> Date: May 25, 2012 9:09:26 AM PDT
> 
> Hi Greg,
>  
> Thanks for the tip, and sorry for the late reply.
>  
> Setting –dt to 0 actually sorted the issue (although, as expected, rendering time went up a lot!)
>  
> The scene I am rendering is an interior scene with a lot of artificial lights, no sun or sky (yet).
>  
> The rif file looks something like:
>  
> scene=  Materials.rad  Geometry.rad
>  
> AMBFILE= test.amb
> OCTREE= test.oct
>  
> RESOLUTION= 1195 761
> DETAIL= MEDIUM
> VARIABILITY = MEDIUM
> QUALITY= LOW
>  
> INDIRECT= 2
> REPORT=2
>  
> render=   -ad 2048   -as 1024 -dt 0.05 -dc 0.15 -ds 0.02 -dj 0 -av 0 0 0
>  
> view= View10 -vtv -vp -220.898262 490.000427 9.770000 -vd -0.310859 2636.535561 0.000000 -vu 0 0 1 -vh 71 -vv 51 -vs 0 -vl 0 -vo 0 -va 0
>  
>  
> Best,
>  
> Giovanni
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