In article <41b629b3@news.povray.org> , Andrew the Orchid <voi### [at] devnull> 
wrote:

> Just to clarify... Are rays fired evenly in all directions? Completely
> at random? Are they set up to "avoid" the object under consideration?
> Are their directions in any way related to the direction of the ray that
> hit this surface in the first place? Does the total computed intensity
> take into account the different angles the light is illuminating the
> surface from?
>
> You say the process traces backwards according to the max trace limit.
> (In fact, I think there might even be a parameter to change it for the
> radiosity system so it's different to the main trace.) Does POV-Ray only
> save the final intensities, or does it cache all the intermediate values
> too?

All you questions can easily and quickly be answered by looking at the
freely available source code!

    Thorsten

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

Visit POV-Ray on the web: http://mac.povray.org

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