bob nous apporta ses lumieres ainsi en ce 07/07/2004 13:01... :

> This is a simple picture I made to experiment with focal blur, made 
> out of a picture that I made to experiment with glass. It's funny that 
> rendering this with focal blur on my new box is roughly 2 or 3 times 
> faster than just rendering normally on my old box, but I guess dual 
> Opterons and a Gig of RAM will do that :P I'm pretty sure I've got 
> some settings all wrong, and I'm still not too satisfied with the 
> blur, but this is the best I can do so far.
>
> Scene contains 3 frame level objects; 1 infinite.
>
> Statistics for check.pov, Resolution 800 x 600
> ---------------------------------------------------------------------------- 
>
> Pixels:          519400   Samples:        16785793   Smpls/Pxl: 32.32
> Rays:        1874649567   Saved:         181951612   Max Level: 200/200
> ---------------------------------------------------------------------------- 
>
> Ray->Shape Intersection          Tests       Succeeded  Percentage
> ---------------------------------------------------------------------------- 
>
> Cone/Cylinder               4151165419       955712561     41.21
> CSG Intersection            4247033337      2798462427     65.89
> CSG Merge                   4247033337      2983452192     70.25
> Plane                       1322661856       383814742      6.83
> Torus                       4199099378       617616430      7.27
> Torus Bound                 4199099378       739529240      8.71
> Bounding Box                 420591888      4268275552     47.37
> ---------------------------------------------------------------------------- 
>
> Roots tested:            739529240   eliminated:           283896962
> Calls to Noise:         1383597139   Calls to DNoise:     2154095944
> ---------------------------------------------------------------------------- 
>
> Shadow Ray Tests:        134905375   Succeeded:           2158591940
> Reflected Rays:          917455130   Total Internal:       130615242
> Refracted Rays:          609348309
> Transmitted Rays:          5378335
> ---------------------------------------------------------------------------- 
>
> Radiosity samples calculated:    1628410 (5.17 percent)
> Radiosity samples reused:       29867188
> ---------------------------------------------------------------------------- 
>
> Smallest Alloc:                 18 bytes   Largest:           130816
> Peak memory used:        290309806 bytes
> ---------------------------------------------------------------------------- 
>
> Time For Trace:    6 hours 14 minutes   0.0 seconds (22438 seconds)
>     Total Time:    6 hours 13 minutes  58.0 seconds (22438 seconds)
>
> ------------------------------------------------------------------------
>
Why is the water at an angle? And why is'nt it visible true the glass, 
but only over the top of it?

Alain

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