3e1398be@news.povray.org...
> povray radiosity is not very well suited to handle such situations with
> small bright area, as it samples rays evenly in all directions. I
Yes, that should explains some of the problems with HDR maps with many small
hot spots. For sun/sky situations it's less of a issue because the hot spot
can be much larger even though I've observed some weird artefacts with
Terragen HDRs.

>It would be more efficient to send more rays toward the high intensity
areas (the sun
> here). In the case of image lighting we know where those zones are so
there
> is probably room for algorithm improvement..
Every improvement in image lighting has my blessing :-)

G.


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