Rune wrote:
> 
> If I have a pure radiosity scene illuminated by a bright object representing
> the sun, how is it an "artistic element" to have the sun be very bright? Why
> do you refer to it as a "trick"? I think it is a standard use of POV-Ray to
> have objects brighter than <1,1,1>. And it is undesirable to have a standard
> use of the program result in jagged edges when antialiasing is turned on.

I have the impression you did not read completely what i wrote.  When 
you have very bright parts in a scene it would be *wrong* to clip them 
because as long as the file format used for writing the image supports 
it it should be unclipped in the file.  The jagged edges you observe are 
part of a larger problem (the non-linear tone mapping) and just clipping 
  the color values at an arbitrary value before antialiasing does not 
solve this problem (it would just be an artistic trick).

Christoph

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