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

[Lars O. Grobe]

> 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.
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