In article <mat### [at] netplexaussieorg>,
 Matthew Pace <mat### [at] lycoscom> wrote:

> Hello, I am currently having trouble with isosurfaces.  I am currently 
> checking out the documentation, 
> http://www.econym.demon.co.uk/isotut/index.htm  and
> http://www.f-lohmueller.de/pov_tut/pov__eng.htm

Those are third-party tutorials, not the official documentation as you 
imply. And the second page doesn't have anything about isosurfaces, as 
far as I can tell.


> #declare Sphere= function {x*x+y*y+z*z-R*R} //both with and without semi 
> colon at the end of the declare statement
...snip...
> i get an error stating that I placed an } aat line 37 where there was an 
> expected parameter/float.

You didn't specify that R was a parameter:
#declare Sphere = function (x, y, z, R) {x*x+y*y+z*z-R*R}

-- 
Christopher James Huff <cja### [at] earthlinknet>
http://home.earthlink.net/~cjameshuff/
POV-Ray TAG: chr### [at] tagpovrayorg
http://tag.povray.org/

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