ingo <ing### [at] homenl> wrote:

> in <3af01891@news.povray.org> Geoff Wedig wrote:

>>>  Or is this just the reading of the data file?
>> 
>> I would assume (perhaps incorrectly) that the pretrace would read
>> in the file, just as it does when you do it manually.  Or is there
>> something funky you do in the manual reads?

>  Changed count from 80 to 1000 to see if there is a time difference. 
> First pass the pretrace is finished after 18 min. Total render time, 45 
> min.
>  Second pass, reading the data/ pretrace, 4 min. Total render time 6 
> min. Quite a big difference, I didn't notice in the earlier experiments 
> as the total rendertime's where mutch shorter.

Yes, that'd make a big difference.  adding the always_sample off might also
make a difference.

Geoff

Post a reply to this message