http://mathworld.wolfram.com/Dervish.html

The Dervish is a quintic surface having the maximum number of ordinary
double points (31), where the surface meets itself ad inverts. I took
several steps to ensure it would render very very slowly:

Focal blur, samples 20
Three-point lighting with 3x3 area lights
Max_trace_level 6
AA threshold 0.1
;)

Comments?


dervish.pov Statistics, Resolution 450 x 600
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Pixels:          270000   Samples:         1960759   Smpls/Pxl: 7.26
Rays:          30020930   Saved:           4376168   Max Level: 6/6
----------------------------------------------------------------------------

Ray->Shape Intersection          Tests       Succeeded  Percentage
----------------------------------------------------------------------------

Cone/Cylinder               1115096430       298280186     26.75
CSG Intersection            1012186664       322783528     31.89
CSG Merge                    536512804       319351176     59.52
Plane                        485057921       227533318     46.91
Quartic/Poly                 499561083       193953375     38.82
Sphere                      3458036341      2184603001     63.17
Torus                        503826043        19851839      3.94
Torus Bound                  503826043        24395945      4.84
Bounding Object               42070822         9384061     22.31
Clipping Object              311078997        38955719     12.52
Bounding Box                7466418378      4472472955     59.90
----------------------------------------------------------------------------

Roots tested:            523957028   eliminated:            44139504
Calls to Noise:           74944926   Calls to DNoise:       53589526
----------------------------------------------------------------------------

Shadow Ray Tests:       1528509813   Succeeded:            299339854
Reflected Rays:           12110441   Total Internal:          305838
Refracted Rays:           11804603
Transmitted Rays:          4145127
----------------------------------------------------------------------------

Smallest Alloc:                 26 bytes   Largest:             9044
Peak memory used:           232884 bytes
----------------------------------------------------------------------------

Time For Trace:   12 hours 39 minutes  29.0 seconds (45569 seconds)
    Total Time:   12 hours 39 minutes  29.0 seconds (45569 seconds)



--
David Fontaine     <dav### [at] faricynet>     ICQ 55354965
Please visit my website: http://www.faricy.net/~davidf/

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