any suggestions for size and placement of the sun?  i'm using 1 unit = 1
meter.

Ben Birdsey wrote:
> 
>         That is a really great rendering.  From the sand to the colors to the
> textures.  Just great!
> 
>         And I think the problem with the shadow line is POV's problem.  You
> see, in real life a light source will illuminate a surface less
> efficiently the farther it is away from the surface normal.  So, as you
> get closer and closer to the shadow line, the intensity of the highlight
> should really trail off.  This is a *real physics* effect, but it is
> less pronounced on rough surfaces. (like  when the rough bits peek up
> over the horizon when everything around it is still in shadow)
> 
>         The problem with POV is that neither phong nor specular take this
> effect into account, only diffuse does. (I don't know about Blinn...)
> 
>         Another *real physics* effect that you have some control over is the
> size of the sun.  If you're not using an area light for the sun, I'd
> suggest one.  On the earth, the sun's diameter takes up about 2 degrees
> of the sky.  It really does have an effect if you look at the edges of
> shadows cast by buildings and tree leaves, etc.  Maybe it would smooth
> the shadow out over a couple of degrees around R2's dome.
> 
> BTW great render and great model!
> 
> In Him,
> Ben

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