In article <cbchvs$lmo$1@chho.imagico.de> , Christoph Hormann 
<chr### [at] gmxde>  wrote:

>> No, you are wrong here:  We fixed a long-existing bug in height-field
>> smoothing that is mentioned in the release notes (iirc).  In short,
>> height-field smoothing did not work correctly before and thus now is looks
>> "different" compared to older versions of POV-Ray because those versions
>> were simply buggy.
>
> That does not sound reasonable to me, the smoothing change would only
> influence the normal vector returned by trace(), not the intersection
> point.  The difference Thorsten Crass observed is in the intersection
> points and not only in the normals.

I do not know for sure.  A certain variance is to be expected.

    Thorsten

____________________________________________________
Thorsten Froehlich, Duisburg, Germany
e-mail: tho### [at] trfde

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