A follow-up question:
If the chain collapsed onto the surface, how to describe it? The collapse is
not meaning lay down flat on the surface. In chemistry, this process is
called "coil-to-globule"
transition.http://images.google.com/imgres?imgurl=http://people.clarkson.edu/~sminko/nanostructured/responsive-smart-ma
terials/images/Single-Molecule-Under-Water.jpg&imgrefurl=http://people.clarkson.edu/~sminko/nanostructured/responsive-s
mart-materials/single-molecule.html&h=406&w=210&sz=25&hl=en&start=3&um=1&tbnid=7czUs9_DbTuIhM:&tbnh=124&tbnw=64&prev=/i
mages%3Fq%3Dcoil-to-globule%26svnum%3D10%26um%3D1%26hl%3Den%26rlz%3D1B2GGFB_enUS224%26sa%3DN

"zj905" <zj9### [at] hotmailcom> wrote:
> Image posted.
>
> "St." <dot### [at] dotcom> wrote:
> > "zj905" <zj9### [at] hotmailcom> wrote in message
> > news:web.471937b9144555e34849a21c0@news.povray.org...
> > >I am doing some work on chemistry. The random coil looks like... It is
> > > better to give a sample. Please see this picture:
> > > http://www.psc.edu/science/Darden/bpti_spline_dense2.GIF. In this graph,
> > > the white-yellow chains are random coils. How to draw that? Thanks.
> > >
> >
> >     Heh, ok, that's way out of my league! :) Oh, look, there's Charles, he
> > knows what he's doing... :)
> >
> >      Good luck, and post an image in pov.binaries.images when you're done,
> > I'd love to see the end result.
> >
> >      ~Steve~

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