POV-Ray : Newsgroups : povray.binaries.images : Glass problem : Re: Glass problem Server Time
6 Aug 2024 17:02:14 EDT (-0400)
  Re: Glass problem  
From: Trevor G Quayle
Date: 16 Nov 2006 08:30:00
Message: <web.455c67c869412694c150d4c10@news.povray.org>
"JSR" <jsr### [at] gmailcom> wrote:
> > Do your glass walls have 2 surfaces each? When dealing with refraction, a
> > ray passes through a surface and with an ior and assumes itself to be
> > 'inside' that material until it passes through another surface, therefore
> > glass or transparent objects need to have an actual thickness to appear
> > properly.   The refraction distortion on your glass appears as if this is
> > the case.  Where it passes through the 2 sides of the glass (i.e., the
> > bottom part of the bowl) it seems to be solid glass.
> >
> > -tgq
>
> Hi,
> My object is a surface of revolution made of 'mesh2'. I also think that the
> problem is in the refraction distortion, but I don't know what is the
> correct ior for my object. The value 1.55 is the real value for glass, but
> the result in my image is bad. Other values for ior has worse results. I
> tried with the parameter 'double_illuminate', but the result is the same.
>
> I also tried with T_Glass2, but no improvements get.
>
> Thanks,
>
> JSR.

Yes, it does look like a proper closed mesh object.  Perhaps posting the
full code would help in determining what's going wrong.  Without seeing the
full code it's hard to track down as everything appears correct (ior 1.55
should be fine).


-tgq


Post a reply to this message

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