In article <3d73558d@news.povray.org> , Warp <war### [at] tagpovrayorg>  wrote:

>   I wonder if that happens at parse time or at rendering time. If it happens
> at rendering time, then it may be a bit alarming.

At render time.  The trick is to remove the square root from each recursive
call.  This can be done by calculating it in PQInsert and making sqrt_dmax_s
a global variable just like dmax_s.   This is because dmax_s seems to only
change in PQInsert as far as I can tell...

    Thorsten

____________________________________________________
Thorsten Froehlich, Duisburg, Germany
e-mail: tho### [at] trfde

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