Xplo Eristotle <xpl### [at] infomagicnet> wrote in message
news:3d69c985@news.povray.org...
> IMBJR wrote:
> >
> > 4. POV relies on the diffuse element of a texture, whereas Bryce uses
the
> > ambient element.
>
> This isn't entirely true. In POV, objects with an ambient value will
> glow when radiosity is used.
>
> > One can specify in Bryce an ambient colour and an ambient
> > level. In POV, one merely specifies an ambient colour.
>
> I suspect this distinction is semantic, as using numbers with higher
> values in POV will produce more ambience; essentially, the color is ALSO
> the level. You may find it intuitive to multiply your color vectors by a
>   value, which will have the effect of strengthening or weakening the
> ambience while retaining the same ambient color.
>
> > Conclusion: The Bryce version looks more pleasing but I suspect that
there's
> > a good reason they call it "true ambience" rather than radiosity. I
should
> > imagine that with some knowledgeable tweeking in POV, those artifacts
could
> > be got rid of.
>
> Radiosity tweaking can often produce good results, yes.
>
> Without the benefit of your scene code, or knowing the "default"
> radiosity settings you're using offhand, it's impossible to suggest
> specific problems or improvements, but based on your other image posts I
> suspect that a poor understanding of POV-Ray on your part is causing you
> to write scenes that don't imitate your Bryce scenes as well as you
> think they should.

I think it is more the case that the 2 will prolly never be truely married.
Of course, some greater understanding will reveal what the unbridgable
difference is.

>
> -Xplo
>

Post a reply to this message