even with max_trace 2048 they are still there ...
I think it's the inner refraction, thats causing them ...
don't know how to kill them ...

for the next render I'll try to set adc_bailout to 1/32 and raise the
tracelevel again to 128 (there's no need to incease it further ) and
see if this will change ...


--
background{rgb 1}camera{location<1,5,-2>look_at 0}#macro
m(a,b,i)#local d=(b-a)
/8;#local
e=vcross(d,y);#if(i)m(a-e,a+e+2*d,i-1)m(a+e,a+2*d-e,i-1)m(a+3*d-e,a+e
+3*d,i-1)m(a+3*d-e,a+5*d-e,i-1)m(a+6*d-e,a+e+6*d,i-1)m(a+8*d-e,a+e+8*d
,i-1)#else
cylinder{a,b,vlength(d)/3 pigment{rgb 0}}#end#end m(-4*x,2*x,4) // Jan
Walzer


"David Fontaine" <dav### [at] faricynet> schrieb im Newsbeitrag
news:3AE1CEC5.6B0C647E@faricy.net...
> Very nice.
>
> One problem, what's causing those black spots? They don't really
detract
> much though. I'm wondering if it's max_trace or some sort of
attenuation
> you put in, but they seem too dark for that.
>
> > Who wants to try it with photons and dispersion ?
>
> :9
>
> --
> David Fontaine  <dav### [at] faricynet>  ICQ 55354965
> My raytracing gallery:  http://davidf.faricy.net/
>
>

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