Was going to ask the same. If a scene file is provided I can test it out and 
see how it compares speed-wise.

Mike


"Chris B" <nom### [at] nomailcom> wrote in message 
news:49457d36$1@news.povray.org...
>
> "Florian Siegmund" <flo### [at] gmxat> wrote in message 
> news:web.4945442b619c0ff365a1cfee0@news.povray.org...
>> You could try to use my rainbow include file. I wrote it some time ago, 
>> but
>> until now, nobody was really interested in it yet. This include file 
>> creates a
>> more physically correct rainbow with eiter POV-Ray's rainbow feature or 
>> the
>> media feature and renders acceptably fast, I guess. Here's the link:
>>
>>
http://news.povray.org/povray.binaries.scene-files/attachment/<web.438d9f95c0a56753b05a49370@news.povray.org>/rainbow.z
>> ip?ttop=287937&toff=150
>>
>
> Your instructions don't seem to say how to get a rainbow to appear. They 
> just seem to describe the options for tailoring it once you get to see it. 
> Do you have a simple scene file to serve as an example for getting the 
> default one to appear?
>
> The include file seems to add a couple of spheres to the scene, but I 
> placed a camera and a light source at the default location specified in 
> the include file and got a black screen. I changed the background to white 
> and got a white screen, so I guess it needs something specific in the 
> scene file to make the rainbow visible.
>
> BTW. You shouldn't necessarily be discouraged by a lack of feedback. The 
> POV-Ray object collection has had over 20,000 downloads since it started a 
> year ago, but there's been very little feedback.
>
> Regards,
> Chris B.

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