In article <3DB05F16.95DFDADC@gmx.de>,
 Christoph Hormann <chr### [at] gmxde> wrote:

> If you can use an arbitrary function/shape as a blob component it would
> not be bounded and therefore much less efficient.  The lack of bounding is
> the great disadvantage of isosurface blobs.

They wouldn't be the only kind of component. Functions would not be 
automatically bounded, but it wouldn't make it impossible to bound the 
other components, and they could also be manually bounded.

-- 
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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