[Radiance-general] rpict, rtrace start up time and number of sources

[Greg Ward]

My 1800 sources are in a large scene -- the octree is a few hundred  
megs, I think.

-Greg

> From: "Lars O. Grobe" <grobe at gmx.net>
> Date: April 17, 2008 1:32:29 PM PDT
>
>> If you don't have any mirrors or prisms in your scene, then the  
>> most likely culprit is the source obstruction routine.  Since  
>> there are no options controlling this calculation, the only option  
>> is to recompile the rendering tools setting -DSHADCACHE=0 in your  
>> rmake script.  Again, the overall calculation might end up taking  
>> longer, but you will avoid the start-up time.
>
> This reduced the start-up time from several hours to 15 seconds...  
> still I have not seen the results of the rendering ;-)
>
> Did you check what happens if you have your 1800 sources in a large  
> scene?
>
> CU Lars.