Mike Williams <nos### [at] econymdemoncouk> wrote in 
news:mWcKaOAikxr$EwJy@econym.demon.co.uk:

...
> There's a section in my Isosurface Tutorial that looks at the difference
> between using a function to generate a heightfield and using it to
> generate an isosurface.
> 
> http://www.econym.demon.co.uk/IsoTut/patterns.htm#hf


This one works:

http://www.econym.demon.co.uk/isotut/patterns.htm#hf


You can also find an example of a function based height-
field within the source files in this post of mine:

http://news.povray.org/povray.binaries.scene-files/33557

(Source code for "Isomountains" posted by me 26. Oct to 
povray.binaries.scene-files)


Tor Olav

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