> For example Nathan changed the way that layered filtered
> pigments work and that caused some people some problems using existing
> include files that use that feature.

If I remember well, Nathan has also changed the way to calculate the
normals.
Could you tell me if the "official" way to calculate the normals is
buggy or 
not. This mean that if it is buggy, the next release of the official
POVRAY 
could be corrected. If this is not a bug and if Nathan do this for
another 
reason, so I will know that the official and the Nathan release will
never 
calculate in the same way :).

Thanks to light my mind.

Fabian.

Ken wrote:
> 
> Krystian wrote:
> >
> > I was just wondering if the new features and such, by and large, are
> > automatically used, or have to be hand coded into the the files. Err.. I
> > think I phrased that wrong. I'm not looking for specifics, I just wondered
> > if I'd see any difference rendering some of my scenes with a patched
> > version, without making changes to the scene itself. I know some of the
> > stuff would have to be included in the .pov file... OK, the heart of the
> > matter. Would I be able to render direct from Moray, and notice any
> > difference at all?
> 
>   For the most part all patches maintain the same functionality as the
> official version does. There are some things though that patch writers
> change just to see what will happen that causes backward compatibility
> problems. For example Nathan changed the way that layered filtered
> pigments work and that caused some people some problems using existing
> include files that use that feature. He did provide a fix for this by
> allowing the #version directive to switch back to the previous method.
> 
>   I have also heard that there are some problems with getting patched
> versions to work directly from within Moray but I don't remember
> specifics (see some of the past messages in the Moray group). If you
> are going to use any of the new features in a patched version of POV-Ray
> you are going to have to do it outside Moray anyway because Moray does
> not offer any support for unofficial features.
> 
>   With all of that aside a scene written for the official version should
> in *almost* all cases render correctly in the patched versions.
> 
> --
> Ken Tyler -  1200+ Povray, Graphics, 3D Rendering, and Raytracing Links:
> http://home.pacbell.net/tylereng/index.html http://www.povray.org/links/

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