Gouraud Shading may be used with smooth-triangles,
look it up in the docs.

Essentially, you give a corner for a triangle plus
a surface normal for every corner, like this:

smooth_triangle{
 Corner_1, Normal_1, Corner_2,Normal_2, Corner_3,Normal_3
}

POV-Ray will interpolate the normals on the surface.
Its supposedly best to have the normals be unit-length-vectors,
which can be easily achieved with vnormalize().

That's just a rough outline, the docs explain a little more in detail.

Regards,
Tim


--
Tim Nikias
Homepage: http://www.digitaltwilight.de/no_lights/index.html
Email: Tim### [at] gmxde
"annelize" <ann### [at] tiscalidk> schrieb im Newsbeitrag
news:web.3d702a8b215c86447aca4b930@news.povray.org...
> Hi
> I just started learning Pov-Ray and I'm trying out different things. Is
> tehre any way I can create Gouraud Shading ??
>
> annelize :-)
>

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