"Warp" <war### [at] tagpovrayorg> wrote in message
news:3e331921@news.povray.org...
>   The HF_Sphere() macro in shapes.inc has been designed for this purpose.
> See the documentation about standard include files and shapes.inc.

I found that, but am not sure how to use it with my grayscale topographic
map of the earths surface.  The documentation says that the macro does not
use a height field image directly for input and does not tell me how to use
one indirectly.  I can create a planar height field using pov's height field
object and my topographic map just fine.  What am I missing?

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