It could be that the 'samples' and/or 'intervals' need to be increased.  When
the intensity is lower the granularity might be showing up more and that's what
you are seeing then.  If the media is smooth everywhere but certain places, like
shadow edges, then almost certainly it's those parameters which need to be
raised.  It doesn't have anything to do with the lights themselves, except the
more you have then the more sorting out that has to be done, but that's nothing
to do with 'falloff' values.
All I knew before was that 'ratio' in the media is meant to make changes to the
light edges, if it does indeed affect the falling off of light too then I never
knew that before.  And if so it might need to be set lower (default is 0.9).  It
does say in the help that it's lit to unlit ratio.  I just got it into my mind
that meant edge of the light cone (or cylinder).

Bob

"Hartmut Wagener" <har### [at] arcormailde> wrote in message
news:38bd98f1$1@news.povray.org...
| Thanks, that saves lot of compution time ... And of course most of the
| parameters can be understood. Anything about falloff-spotlights? It took
| long for me to see that the falloff was disturbing the light-cones. Perhaps
| triying a little bit with tightness will bring an answer ...
|
| Hartmut
|
| Bob Hughes schrieb in Nachricht <38bc6f4d@news.povray.org>...
|
| >I don't think confidence, variance, ratio really ever need to be used
| anyway
| >(unless you want messy results on purpose).  The other keywords are
| >understandable I would think.
| >
| >Bob
|
|
|
|

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