Tor Olav:
> > (Because there seems to be some
> > calculations that are not calculated
> > correctly by POV-Ray. Increasing
> > max_gradient or accuracy did not help
> > at all.)

Slime:
> If you defined the spiral correctly, that's because the spiral
> never ends, the detail increases towards the poles infinitely.
> That is, if I understood the description of the shape that I
> read a while ago correctly.

In an equiangular spiral (reverse Mercator projection of oblique
parallels), that would happen at both poles; TOK said only one.

What's the formula?

(Love the textures.)

-- 
          --  Anton Sherwood  --  http://www.ogre.nu/  --
"If nobody said anything unless he knew what he was talking about, 
a ghastly hush would descend upon the earth."  ---Sir Alan Herbert

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