Kenneth wrote:

> If the object is made no_shadow (or its light is made shadowless), an applied normal
> does not show the typical 'sharp terminator line' from the light source. Instead,
the 
> normal effect looks far more natural on the surface, more '3-dimensional.'

Actually for a moon-like object a sharp shadow line would be more
appropriate. The problem is of course that it should be a sharp line
following the relief and not the perfect spherical surface, which
requires a mesh or iso_surface (a displacement map feature would
be ideal for this but is not available in pov).

The effect you get here with no_shadow looks to me more like what
you would get with an area_light (possibly with area_illumination).
More costly but also more controlled and works for other shapes.

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