global_settings {
  photons {
    spacing 0.05
    autostop 0
    jitter 0
  }
}

Don't have a count.. yet..
"Alastair Murray" <ala### [at] hotmailcom> wrote in message
news:3ce42cac$1@news.povray.org...
> Do you have a line like:
> global_settings { photons { count 50000 } }
>
> There are other ways of doing it, and obviously the count value needs to
be
> adjusted to suit.  But you need something in the global_settings to turn
> photons on.
>
>
> "Dave Bates" <dab### [at] msncom> wrote in message
> news:3ce4297d$1@news.povray.org...
> > Thanks for the response Harold.
> >
> > I did see your Image, and it was amazing..
> > Basically I'm trying to Understand Photons, IOR and such... I want to
get
> a
> > light to shine through the Glass Orb I made, and Refract on the the
Plane
> to
> > the other side..
> > I have turned on photons, so I could see what those really do..
basically
> > I've read and now I'm playing..
> >
> > Here is the orb Script:
> > sphere {
> >     0, 2
> >     texture {
> >         pigment { RedClear } //For now, will be glass later
> >         finish { F_Glass5 }
> >     }
> >     interior { ior 1.76 }
> >     translate y*1
> >     photons {
> >         target
> >         reflection on
> >         refraction on
> >         collect off
> >     }
> > }
> >
> > Basic stuff really.. If you want I can mail you the "Test" photo..
> > "Harold Baize" <bai### [at] itsaucsfedu> wrote in message
> > news:3ce424ba$1@news.povray.org...
> > > Not that I know much about these things, but I'm
> > > doing something similar right now (see Old paperweights
> > > in p.b.i).
> > >
> > > What is your sphere's radius?  The light is slightly above
> > > and to the right of origin. What photon effects are you
> > > expecting and where? Not sure what is or isn't
> > > working. Maybe you can post most of the script so we
> > > can check it out.
> > >
> > > Harold
> > >
> > > "Dave Bates" <dab### [at] msncom> wrote in message
> > > news:3ce41148$1@news.povray.org...
> > > > Hello everyone,
> > > >      I've been working with Photons, IOR values and lights.
> > > >
> > > >     I have an adaptive light that is set to a location of <2, .5, 0>
> > > >
> > > >     I want this to look through a sphere I have sitting at Origin,
but
> > the
> > > > light seems to point Straight down..
> > > >     do I have to use parallel lights to get this to work, or spot
> > lights?
> > > >
> > > > Thanks
> > > > D
> > > >
> > > >
> > > >
> > > >
> > >
> > >
> >
> >
>
>

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