Well, I didn't say it would be easy! :-)  In fact, taking the sharpness off
of the edges may be more trouble than it is worth in this case.  Does the
diskette have to be black (dark gray)?  If you make it a lighter color, then
the shadows from the raised edge may help to make the edges more obvious.

Cris Williams

"marabou" <not### [at] availableyet> wrote in message
news:3bd86df0@news.povray.org...
>
> this ideas are worth to try out. positioning the light in different places
> is particularily successfull. like playing with AA settings too.
> now i have no suggestion how to "cut" an angle or a round shape into disk.
> it is because the disk is an ellipsoid from wich i differenced a box for
> the labeling area.
> should i turn an other way for this or how can i realise it afterwards?
>
> an ectract of my code:
> --------------------------start
>
> #declare disk=
>
> union{
> difference{
> #declare d_h = 0.003;
> #declare d_b = 0.09;
> #declare d_t = 0.093;
> file://Hauptkoerper
> file://main body
> superellipsoid{
>         <0.1,0.1>
>         scale <d_b/2,d_h/2,d_t/2>
>
> }//superellipsoid
>
> file://Etikettflaeche vorne
> file://label area
> box {
>         <0,0,0>,<1,1,1>
>         scale <0.073,0.01,0.055>
>         translate <(-d_b/2)+0.0085,0.0025/2,(-d_t/2)>
> }
>
> [...]
>
> }//difference disk
>
> }//union disk
>
> --------------------------end
>
>
>
> Cris Williams wrote:
>
> > I clicked the send button too soon!  :-)  Anyway, I've got one last
> > suggestion.  On very small features like this edge, I have had some
> > success with just ever-so-slightly clipping the corner at a 45 (or
> > whatever) degree
> > angle.  Sometimes this can give you a bit of a highlight and isn't
obvious
> > unless you really zoom in.
> >
> > Cris Williams
> >
> > "Cris Williams" <wor### [at] netscapenet> wrote in message
> > news:3bd83860@news.povray.org...
> >> I have run into problems similar to this before.  Part of the problem
is
> >> caused by unrealistically sharp edges.  If you round the edges a bit it
> > may
> >> add some highlights that will help the edge to stand out better
(although
> >> the edge is so small that this might not help).  I also agree that it
> > would
> >> help to render at a larger size.  On the other hand, the edge doesn't
> > really
> >> stand out too well on a real diskette either since it has very  little
> >> depth.  I am sitting here looking at a disk as I speak, and if I hold
it
> > at
> >> a certain angle the edge becomes nearly invisible.  You could also try
> >> adjusting the scene's lighting.
> >>
> >> Cris Williams
> >>
> >> "marabou" <not### [at] availableyet> wrote in message
> >> news:3bd6c430@news.povray.org...
> >> >
> >> > a pic to my question in povray.newusers
> >> >
> >>
> >>
>

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