POV-Ray : Newsgroups : povray.general : Media interaction with Spotlights : Re: Media interaction with Spotlights Server Time
6 Aug 2024 04:20:04 EDT (-0400)
  Re: Media interaction with Spotlights  
From: Dave Bates [{Norman}]
Date: 17 May 2002 21:15:54
Message: <3ce5ab4a@news.povray.org>
Well no.. I tried to take out the samles and interaction, with and without,
method 1-3 everything seems the same.. these spots are Projecting on a Box..
It's long, but it's not infinate.. .. Any more suggestions Tim..
"Tim Nikias" <tim### [at] gmxde> wrote in message
news:3CE5A23B.85DE1A32@gmx.de...
> I've run into that one some weeks ago.
>
> Its about the intervals and samples and such. In an
> infinite section, how do you calculate intervals?
>
> This is somehow the reason why only spotlight don't
> work, try a fading light... The algorithm of method 3 is,
> as far as I know, an adaptive one. But it can only adapt
> to things "it" sees. If it cannot spot them (intervals in infinity...),
> it cannot adapt properly.
>
> And thus POV probably thinks that the spotlights don't
> add too much...
>
> But that's just my interpretation of things, and I'm, no expert
> on that. Someone just told me that infinite-space and method 3
> don't work very well together on certain occasions.
>
> Dave Bates wrote:
>
> > Hello All,
> >
> >   Me again of course..
> >
> >   I'm doign some testing with Media interaction.. so I made a line of
> > Spotlights, using a while statment.
> >   Inside the light_source  I have media_attenuation turned on
> >   Outside the block, I have atmospheric media create (I think).
> >     media {
> >         method 3
> >         scattering { 1, color rgb .02 }
> >     }
> >
> >     When I render the scene, the only change I see is that it renders
> > slower.. I don't see what I expected, which would be a cone of light
from
> > the spotlight..
> >
> > Anyone got any suggestions??
> >
> > Thanks
> > Dave
>
> --
> Tim Nikias
> Homepage: http://www.digitaltwilight.de/no_lights/index.html
> Email: Tim### [at] gmxde
>
>


Post a reply to this message

Copyright 2003-2023 Persistence of Vision Raytracer Pty. Ltd.