"Bob" <omniverse*charter!net> wrote:
> "engelbert_buxbaum" <eng### [at] hotmailcom> wrote in message
> news:web.49be542b519610b7604827740@news.povray.org...
> > Both the hexagonal crystal and the cut-out hexagon render fine by
> > themselfs, but
> > in combination the crystal looses colour, also, the surface of the crystal
> > in
> > contact with the cut-out becomes invisible. I have fiddled with lighting
> > and
> > optical properties of the bodies for days, but I just don't get it. Any
> > ideas?
>
> You might want to use clipped_by {} instead of difference{}, that way the
> faces of the cutout part won't show at all.
> And, if you can use it, changing background to white or something other than
> black seems to make this show better, likewise no_shadow could help not
> confuse the shape.

Yes, clipping does the trick. A little more phong to the cut-out and the
background reduced to rgb 0.3 and this looks quite decent.

Thanks for the hints

Engelbert

Post a reply to this message