Stephen <mca### [at] aolcom> wrote:
> On 21/07/2013 9:37 PM, MichaelJF wrote:
> > This will take the one or other day due to the rendering times. I have reviewed
> > the two lower levels now. Not completely satisfying but the best compromiss I
> > can yield so far. Sometimes a change of 0.01 for the scattering color changes
> > the image completely having this strange density maps. I'm not quite sure to
> > repair the density of the upper "cloud", may be I change the color to be more
> > white. But as Thomas said the lighter parts are blown up into the air and they
> > must be more easily be influenced by the wind, which is blowing here from right
> > to left, especially at greater altitudes.
>
>
> We have the patience. :-)
>
> --
> Regards
>      Stephen

Sometimes I'm not quite sure I will have the patience needed. But today I found
out the reason of my problems just by chance. I always had ribbon like
structures around my "cloud" which were annoying completelly. But they did not
come from the df3-file or the scattering or absorbing parameters or the the warp
turbulence, I would have expected them. They came from "interpolate 2" within
the density file definition. I ever thought that a cubic interpolation would be
better than a linear one only resulting in longer rendering time. But seems, I
was wrong with that.

Best regards,
Michael

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