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> Certain combinations in a scene are sure to kill render speed, even with
> multiple cores. In a scene I am working on I am using radiosity, focal
> blur, and a (blurred) object with media containing scattering, some
> emission and density. When reaching this particular object, the render
> drops down to a crawl on my two core machine (using 3.7 beta 34). Maybe
> you have some smart advice to give in order to boost up the render a bit?
> Here are the code details:
>
> Radiosity:
> brightness 1
> count 100
> error_bound 1.0
> gray_threshold 0.0
> low_error_factor 0.4
> minimum_reuse 0.015
> nearest_count 1
> recursion_limit 2
> adc_bailout 0.005
> media off
> normal off
> always_sample off
> max_sample 1.0
> pretrace_start 0.08
> pretrace_end 0.004
>
> media in object:
> interior {
> ior 1.45
> media {
> intervals 1
> samples 10
> scattering {1, rgb <0.2, 0.1, 0.1>}
> #if (BallDensity)
> emission <0.01, 0.01, 0.1>*0.5
> density {
> spherical
> color_map {
> [0.0 rgb <0.0, 0.1, 0.2>*0.15]
> [0.5 rgb <0.4, 0.4, 0.2>]
> [1.0 rgb <0.6, 0.6, 0.3>]
> }
> scale 1.5
> warp {turbulence 2}
> scale 0.9
> }
> #end //of BallDensity
> }
> }
>
> As focal blur I use Edouard Poor's 35mm camrea macro with the following
> settings:
> Camera35mm_SetFocalSamples( 100 )
> Camera35mm_SetFocalVariance( 1/10000 )
> Camera35mm_Autofocus( CamLoc, CamEye, 38, 50, CentralObj )
>
>
> Hope this helps to get an idea. Thanks for any advice.
Yeah, POV has always been about the trade-off of quality vrs
render time. Just make sure that your scene looks OK with lower
faster settings before commiting to a long high quality render.
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