In article <3a69f61b@news.povray.org>, "Michael Sobers" 
<mic### [at] mindspringcom> wrote:

> Can anyone tell me what's causing the transparent cylinders 
> containing the media to show up black when viewed through the 
> semi-transparent spheres?  I couldn't get the bug worked out prior to 
> entering it into the IRTC animation contest.  By the way, some of the 
> entries are really good this round - they're worth checking out!  I 
> put the code at the end in case that helps.

Most likely you haven't specified a high enough max_trace_level. See:
http://www.students.tut.fi/~warp/povVFAQ/languageVFAQ.html#maxtracelevel

Also read the manual, section 4.10.6 titled "Max_Trace_Level".

-- 
Christopher James Huff
Personal: chr### [at] maccom, http://homepage.mac.com/chrishuff/
TAG: chr### [at] tagpovrayorg, http://tag.povray.org/

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