Mike Kost <con### [at] povraytashcorpnet> wrote:
> All the spheres in this thread are great!

Thankyou! But we still haven't replicated the Blue Marble image...

> Where do you get/generate the spherical mapping bitmap file?

From NASA's Blue Marble page, mentioned in the opening post. There are all
sorts of fun maps there.

The one I've been using is

http://earthobservatory.nasa.gov/Newsroom/BlueMarble/Images/land_shallow_topo_2048.jpg
 (230 KB). There's also a 8192 by 4096 pixels (26.5 MB) TIFF version, if
you're really keen. :)

Here's a refractive translucent one, where the land & ocean have the same
transparency, unlike the first globe I posted.

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