"cbpypov" <nomail@nomail> wrote:

> I further set the QD absorption to 0. as Bald Eagle suggested. I really like the
> arrow thing you posted, but somehow I could not figure out where the `Vector`
> function comes from? My povray does not know it and I could not find an .inc
> that defines it. Could you post more code that you used for the image with
> arrows?

That's from Friedrich Lohmueller's analytical_g.inc file, which I _think_ comes
with POV-Ray.
http://www.f-lohmueller.de/pov_tut/addon/00_Basic_Templates/85_Analytical_Geo/__index.htm

> In the next to posts I will attach an image of the _patterned_ version, which is
> not working yet because the boxes in which the field is defined overlap. How can
> I solve this problem?

difference {} away the parts that overlap?

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