JH schrieb:
> Hi all,
> 
> I have a scene that would take some 280 hours to render with
> radiosity/antialiasing, so I'd like to find a way of splitting it into smaller
> segments and rendering each segment separately.  Is there a way to do it?

Since it has been mentioned that certain settings have to be kept the 
same when separating pretrace and render - this is not the case for 
most.  In fact i think only recursion_limit must not be modified when 
reusing radiosity data.

In some cases it is a good idea to selectively change certain settings 
to avoid discontinuities between separately rendered tiles. 
always_sample is the obvious and documented one.

The general approach to avoid radiosity sampling in the final pass is to 
  take a lot of samples in the pretrace (by using low error_bound, maybe 
high nearest_count and possibly adapting minimum_reuse).  pretrace_end 
has to be sufficiently low to actually take all those samples of course 
(and the pretrace render resolution has to be sufficient for that of 
course).  In the final renders you need to adapt all those settings to 
mostly avoid further samples (to completely avoid them is hardly 
possible though).

-- Christoph

Post a reply to this message