I've posted a demo file in p.t.s.f.

Mick

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In article <3a525ddb@news.povray.org>, "Mick Hazelgrove" 
<mic### [at] mhazelgrovefsnetcouk> wrote:

> I've posted a demo file in p.t.s.f.

I haven't had a chance to take a close look at it, but one thing I 
noticed:
You have "translate<XPos,0,ZPos>" as your ordinary translation, and 
"translate vturbulence (1.2, 3, 2,<XPos,0,ZPos>/50)" as the turbulated 
translation. You divide the coordinates by 50, scaling down the amount 
of movement, but never scale them back up. You have a similar expression 
in your prism, but you create your prisms with a macro that makes them 
at different positions, but your isosurface is always at the same place. 
It looks like you meant to type: "translate vturbulence (1.2, 3, 
2,<XPos,0,ZPos>/50)*50" in the isosurface translation.

-- 
Christopher James Huff
Personal: chr### [at] maccom, http://homepage.mac.com/chrishuff/
TAG: chr### [at] tagpovrayorg, http://tag.povray.org/

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Problem solved

It was necessary to translate the iso surface before turbulating it? Silly
but obscure error

Thanks Chris your comment gave me the clue

Mick

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