In article <3D2### [at] cpfsmpgde>,
 Plum C <bai### [at] cpfsmpgde> wrote:

> I've got a data field like this:
> 
> x   y   z   value
> 0   0   1    .232
> 0   0   2    .233
> ...
> 
> Is it possible to cut an isosurface? For example to show
> a specific value of electron density etc. A tranformation
> of the data to a suitable input would be simple.

It isn't clear what you are asking...do you want to generate a height 
field from a set of data giving function values at points in space? What 
do you mean by "cut an isosurface"?

You can "cut" an isosurface the same way as with most other objects, 
using CSG difference or intersection objects. You can then use the 
isosurface function as a pattern in the isosurface's texture, to show 
the function values through the cut surface, basically a cross-section. 
I'm not sure this is what you meant though.

-- 
Christopher James Huff <chr### [at] maccom>
POV-Ray TAG e-mail: chr### [at] tagpovrayorg
TAG web site: http://tag.povray.org/

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