"Kenneth" <kdw### [at] earthlinknet> schreef in bericht 
news:web.465bad01d8d381745bd27f590@news.povray.org...
> BTW, in case it isn't screamingly obvious, the buildings are just an
> image_map, a piece of Photoshop silhouette artwork with an alpha-channel.
> But it's applied to a bumpy procedural height_field (the bumps face -z.)
> The HF is positioned so that  *some* of the bumpiness actually *pokes
> through* a thin, textured "fire box" that  bisects the middle of the 
> HF--to
> make it look like flames are not just behind the "buildings", but are
> licking around and through them.  I was kind of proud of that!
>

That is really ingenious!!! Thanks for telling us the trick. I shall have to 
remember that  :-)

Thomas

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