Hi!

this is ages after you posted this, but i was wondering if i could use your
picture of the earth and use it for my own personal use?

Thanks a lot!!!















Christoph Hormann <chr### [at] gmxde> wrote:
> At the first glance this probably looks like yet another boring earth
> image but it is somewhat different.
>
> I used the 1km resolution data sets for geometry and coloring available
> on:
>
> http://earthobservatory.nasa.gov/Newsroom/BlueMarble/
>
> and used real surface geometry instead of bump mapping.  Of course the
> detail is hardly visible at this size, the second image shows a sample
> from the original render at 6400x4800 pixel size.
>
> It was of course not possible to render the whole planet in one piece, the
> height data alone is about 2GB.  Therefore i split it into 45x45 degree
> tiles and rendered them one after the other (with some overlap).
>
> Files with cloud coverage data are available at the mentioned site too but
> with strongly varying quality.  A short distance view with clouds of parts
> of europe (with 2.5x exaggerated height) can be seen on:
>
> http://www.schunter.etc.tu-bs.de/~chris/files/earth_a2.jpg
>
> the same without clouds on:
>
> http://www.schunter.etc.tu-bs.de/~chris/files/earth_a1.jpg
>
> I searched a lot for cloud height data which would be important for
> realistic clouds but i could not find anything useful.
>
> I also made a view with natural height scale of western himalayas and
> karakorum:
>
> http://www.schunter.etc.tu-bs.de/~chris/files/earth_a3l.jpg
>
> this shows the available detail level in the data and also the varying
> quality in some parts (note the broad band of lower quality on the right).
>
> Christoph
>
> --
> POV-Ray tutorials, include files, Sim-POV,
> HCR-Edit and more: http://www.tu-bs.de/~y0013390/
> Last updated 28 Feb. 2003 _____.//^>_*_<^/.______

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