Bump,
I am curious to know this one as well.


p.s: David. there is an interesting article on how to retrieve points from a
plot (any plot). I don't think it is the best way for a dendrogam , but in
case no one will offer a better solution, this one might work for you:
http://www.r-bloggers.com/getting-data-from-an-image-introductory-post/

<http://www.r-bloggers.com/getting-data-from-an-image-introductory-post/>

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On Sat, Apr 17, 2010 at 4:35 PM, David J. States <David.J.States@uth.tmc.edu
> wrote:

> I would like to explore dendrogam plots interactively.  For example, click
> on a node and return information about all of the children of that node.
>
> Is there a high level wrapper for locator() or click() that will return the
> nearest dendrogram node on a plot?
>
> If not, is there a way to obtain the [x,y] coordinates of all the nodes on
> a plot?
>
> Thanks,
>
> David
>
> David J. States, M.D., Ph.D.
> Professor of Health Information Science
> School of Health Information Sciences
> Brown Foundation Institute of Molecular Medicine
> University of Texas Health Science Center at Houston
>
> Sarofim Research Building Room 437C
> 1825 Pressler St.
> Houston, TX   77030
>
> Telephone: 713 500 3845
> email: David.J.States@uth.tmc.edu<mailto:David.J.States@uth.tmc.edu>
> URL:  http://www.stateslab.org
>
>
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>
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