Hi

Tried to send you a file but your internet address waas rejected.

Mick

"Mark Hanford" <mar### [at] theinternetcom> wrote in message
news:3dc931c0@news.povray.org...
> I've been trying to make scene involving plowed fields, and am
> currently using a height-field made from a gradient-x pattern with a
> bit of tiny bozo noise over the top, all of which is then scaled
> <1500,25,1000>.  This results in a nice rough brown ridged surface a
> bit like corrugated tin roofing /\/\/\/\/\/\.
>
> What I did next was ditch the hf, as I need a bit of hillysillyness,
> and use a squashed cylinder{-5000*x, 5000*x, 500} with the
> afforementioned gradient and bozo patterns to achieve a similar result
> as standing on a very small stripey cylindrical world, but without the
> pretty ploughed waves.
>
> What I'd really really like though, is a curved wavey surface, which
> my ailing mind is incapable of getting the function for.
> I assume it's some combination of
> function { sqrt(pow(x,2)- + pow(z,2)) - 1 }  (but rotated to
> horizontal)
> function { f_noise3d(?,?,?)}
> function { f_ridge?(?????)}
>
>
> I've tried combinations of these, but due to too much guesswork and
> not enough understanding (yet) of ISO's, I've been having trouble :(
>
> I might post an image in p.b.i if this makes no sense to anyone...
>
> many thanks,
>
> --
> Mark Hanford
>
> Putting POV code on the web? Make it look pretty with POV2HTML...
> http://www.hanfordonline.co.uk/povray
>
>

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