It seems you're viewing the bozo pattern from so far away, and scaled so
small, that perhaps these effects are caused by aliasing? I'd guess that
the texture is viewed so small that POV simply can't display it properly,
and in fact I can't really see why you'd want the texture to be so small
anyway...

The fact that it was displayed as usual after it was scaled 100 times
larger might appear to support this.

Hope that helps,

Matt

ir. R.M.A. Wieringa <wie### [at] natlabresearchphilipscom> wrote in article
<35C040E3.91C03D61@natlab.research.philips.com>...
> I stumbled upon this 'artifact' when I tried to use a bozo pattern:
> 
> 
> 
> #include "colors.inc"
> camera {
> 	location <0,1000,0>
>     direction <0,0,1>
>     look_at  <0, 0, 0>
> }
> light_source { <0,30000,0> color White }
> plane { y, 0 pigment { bozo scale .01}}
> 
> 
> gives different color patterns in four quadrants.
> Any idea?
> 
> -- 
> +------------------------------------------------------+
> | Rob Wieringa                                         |
> | Philips  Research  Laboratories   Eindhoven          |
> | __X__: remove this from email address                |
> | email: wie### [at] natlabresearchphilipscom          |
> +------------------------------------------------------+
>

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