Check out the link below for a nasa site that also has some very large mars
files 10mb+ for the harddrive unimparied, won't help with the clouds though

http://maps.jpl.nasa.gov/

"A. Jans-Beken" wrote:

> At my office I have the possibility to print H U G E colour posters. I
> tried to print the BIG_E (Star Trek Enterprise) on this printer but was
> dissappointed by the quality of the background planet. I improved it
> myself but I didn't get it perfect.
>
> Questions:
> - Are there any examples of POV-Planets on internet?
> - How can I make a texture (layer) to simulate ice-caps on the poles of
> a planet? The lower layers contain textures for sea and earth. This
> means that the ice-cap layer must be transparent (except of course at
> the poles).
> - My cloud layers ( I use two) are to simple. Can I define dents or
> wrinkels in my cloud layers? I noticed from TV documentaries about space
> shuttle missions that the earth clouds are clearly 3 dimensional while
> all cloed textures that I found are two dimensional (wrapped around a
> sphere).
> - I can't get a nice star-background. The included textures are clearly
> (if printed on this BIG printer) not realistic. How can I get a
> realistic cosmic background?
>
> I suppose all this is possible, but its to difficult for me.
> If there is interrest I am willing to upload the POV file, but credit
> should go to the real designer of BIG_E. This file was on the first
> official POVRAY CD.
>
> Please answer by e-mail since I am not a frequent visitor of this news
> server.

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James P Crombie
Summerside PEI Canada

http://www3.pei.sympatico.ca/jpcrombie/            My Astronomy stuff
http://www3.pei.sympatico.ca/jpcrombie/RHINOFILES/ RhinoCad 3D Stuff

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