This does map the image to the sphere, as a displacement.
I have used the pigment{image_map{ png "*.png" map_type 1}}
statement for the pigment. See the thread "My first MegaPOV0.4 image(26k
bu)"
for an example. I have set this up as a macro to be used with
various planet images.

Gilles Tran wrote:
> 
> "mr.art" wrote:
> 
> > This is how I do it:
> 
> The formula rings a bell. It may not be what I expected (I was looking for
> something that would actually map the image around the sphere) but it is
> probably what I had seen before. And yes it works fine enough for my current
> project.
> 
> Thanks a lot.
> G.

-- 
Mr. Art

"Often the appearance of reality is more important 
than the reality of the appearance."
Bill DeWitt 2000

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