Wasn't it Sebastian H. who wrote:
>Mike Williams wrote:
>> Wasn't it Tail Kinker who wrote:
>> 
>>>I'd like to take a map of a planet and wrap it around a sphere.  I thought
>>>that perhaps the image_map texture was the way to go, but nope - it
>>>doesn't work the way I thought.  (Shoulda read the manual...it works
>>>*exactly* as advertised.)
>>>
>>>Any ideas on how to handle such a hack?  The map is in Mercator's
>>>projection.
>
>> All the methods of wrapping an image map round a sphere use the same
>> "cylindrical projection" method:
>> 
>
>This mean the image x/y-Coordinates are not
>interpreted as theta/phi in spherical coordinates?
>I always thought it would work this way.
>
>Please correct me if I'm wrong.
>
>Sebastian

That how it works in all those types of POV spherical mapping, and in
what cartographers call the "cylindrical projection", but not in the
Mercator projection. 

In the Mercator projection, the lines of latitude are spaced further
apart near the poles.

-- 
Mike Williams
Gentleman of Leisure

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