In article <40aa5d30@news.povray.org> , "Thorsten Froehlich" 
<tho### [at] trfde> wrote:

You should be able to code it like this:

#declare tfoo = function { transform { matrix { ... } } }
#declare afoo = function { ... your function ... }
#declare foo = function { afoo(tfoo(x,y,z).x,tfoo(x,y,z).y,tfoo(x,y,z).z) }

    Thorsten

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Thorsten Froehlich, Duisburg, Germany
e-mail: tho### [at] trfde

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