KalleK wrote:
> 
> Hi POVers!
> 
> See scene below.
> First of all: I know, it's somehow a problem with max_trace_level and
> my refracting sphere.
> When I increase max_trace_level, I get less spots, but they don't
> disappear, not at all.
> Above max_trace_level 400, Povray crashes, but that's in the docs
> (3.5docs : 6.11.7 the last paragraph). With m_t_l 400 there are many
> black areas left.
> [...]
> sphere { <0,0,0>, 4
>  pigment {color rgbt 1}

Totally transparent materials are quite seldom in the real world (if they
were possible, the world would have a max_trace_level problem too ;-), if
you decrease the transmit value just a little bit, the black spots
disappear with quite low max_trace_level.

Christoph

-- 
Christoph Hormann <chr### [at] gmxde>
IsoWood include, radiosity tutorial, TransSkin and other 
things on: http://www.schunter.etc.tu-bs.de/~chris/

Post a reply to this message