Jaime Vives Piqueres <jai### [at] ignoranciaorg> wrote:
> Hi All:
>
>     Just a quick scene to try to get back at "just for fun" raytracing...
>
>     The grass is a very old code of mine based on SDL-created meshes,
> revised now to add uv mapping. The texture is a leaf picture from
> mayang.com.
>
>     The scene is surrounded with a cloudy HDRI sky, and the lighting as
> reinforced with just a big area light above.
>
>     The drops are blobs traced() from above, but they don't take yet into
> account how wide it's the grass blade they rest on... that should be the
> next and final step.
>
>     This image is postprocessed with Gimp to add together two renders:
> one with just pigments, and another with reflections and micro-normals
> but without lighting (combined render times were about 2h).
>
> --
> Jaime Vives Piqueres
>
> La Persistencia de la Ignorancia
> http://www.ignorancia.org

Looks very nice.   Obviously this is new, never been cut grass though :)

One thing I had tried a few years ago was similar, and placed and sized the
grass based on a pigment evalution like bozo.  You could then apply a translate
to the pattern for an animation that could simulate wind blowing.


-tgq

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