stbenge wrote:

> It would be cool if you could change a certain value for the pattern. 
> Something like "reference = some vector" to change where the pattern 
> "points" to, if that's possible

But the aoi pattern supports this already??? From
the MegaPOV reference: "pigment { aoi [ POINT ] ...}".
Of course, if you specify the point it is not really
an "angle of incidence" for the incoming ray, so the
direction remains fixed even for reflected rays.

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