POV-Ray : Newsgroups : povray.binaries.images : starglobe : Re: starglobe Server Time
10 Aug 2024 17:28:54 EDT (-0400)
  Re: starglobe  
From: Wijnand Nijs
Date: 27 Aug 2004 05:16:01
Message: <412efbd1$1@news.povray.org>
Rarius wrote:

>>I want to model a starglobe. Can somebody help me with a starmap like
>>the attachment?
>>
>>Thanks and greetings...
>>Wijnand Nijs
> 
> 
> Try using my starmap include file... I hav attached it to this post... If 
> the attachement hasn't survived, you can download it from 
> http://www.rarius.co.uk/starmap.inc
> 
> There is an example made with it on the illustration page of my website 
> http://www.rarius.co.uk/
> 
> All you need to do is define a macro and then include the file...
> 
> #macro Star(vPosition, fMag)
>     sphere
>     {
>         vPosition
>         6-fMag
>      }
> #end
> 
> #include "starmap.inc"
> 
> The vPosition parameter is the star's position at a unit distance from the 
> origin.
> The fMag is the star's magnitude. It ranges from -1.1 to about 6
> 
> You can of course make the macro more complex... there is an example at the 
> top of the incude file itself...
> 
> The include file calls the Star() macro 9000+ times. Once for each star.
> 
> I compiled the include file using a simple VB program from the Bright Star 
> Catalogue, so it has every naked eye star on it.
> 
> Rarius 
> 


Do you (or somebody else) have any experience to use that include as a 
projection on a sphere? Including the signs of the zodiac?


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