"Thomas de Groot" <t.degroot [at] internlDOTnet> wrote in message 
news:47d8f8ef$1@news.povray.org...
>
> "nemesis" <namekuseijin [at] nospamgmailcom> schreef in bericht 
> news:47d6cc42$1@news.povray.org...
>> Bob Hughes wrote:
>>> and there's another at the short code contest #5: 
>>> http://local.wasp.uwa.edu.au/~pbourke/exhibition/scc5/final.html
>>> Both are using surface normal's, not actual deformed surfaces (Alex 
>>> Kluchikov's is amazing nonetheless).
>>
>> that is a normal?!! O_o
>>
> The texture is, I believe, not the swirl object... or am I mistaken???


http://local.wasp.uwa.edu.au/~pbourke/exhibition/scc5/results/c_wsckip.txt

As said there, lathe is the actual object the normal is put onto.
Likewise, the other example by Lohmueller is also an object (CSG torus 
cylinder) with texture normal.
Both to get the actual whirlpool hole, but otherwise it's all about texture 
not isosurfaces like I first thought when I saw Kluchikov's.
-- 
/*bob hughes*/

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