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Congratulations, they look really good!
Needed now a function, which can place them along stem and branches in
unregular intervals and unregular clusters.
Well-done!
"Edouard Poor" <pov### [at] edouard info> wrote in message
news:web.4911fa6f9aeaa86935f945a30@news.povray.org...
>I took a quick play with some leaves the other day - they _are_ tricky,
>aren't
> they?
>
> I came to the conclusion that there is very little light passing through
> the
> leaf onto the area (leaves) below, and that radiosity/light domes/ambient
> occlusion gives you almost all the lighting you see. I think the other two
> factors that give the crown of tree a lighter appearance is that the
> underside
> of leaves is often light that the top, and that newer leaves are often
> lighter
> too. Someone needs to write a paper with actual light measurements though
> I
> suppose.
>
> I might do some more playing with the leaves - these aren't translucent,
> but I
> think I know how I could do that.
>
> The texture is scanned from a leaf in my yard, and there's also a bump
> map, but
> the lighting setup doesn't really show it up.
>
> I made the leaf object by tracing the outline of the scanned image, then
> outputting a (very thin) prism, then applying the leaf surfaces (top and
> bottom
> image maps, bump map etc).
>
> Cheers,
> Edouard.
>
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