active pdf/annotated visualization RFC

[Paul Murrell]

Hi

In terms of related plans:  over the (southern) summer I plan to have a
student take a look at producing SVG output from R.  There are many
possibilities for embedding metadata within such output.  

You may want to talk to Naras (Balasubramanian Narasimhan
naras@stat.stanford.edu) who has worked on the SVG stuff a bit already
and has thought a bit about how to include the metadata.

Paul


"Vincent J. Carey, Jr." wrote:
> 
> How can R users take advantage of the "active PDF" paradigm
> for annotation of statistical graphics?  The basic objective
> is to take a small number of locations on a graph and
> hyperlink them -- add persistent information to the pdf
> rendering of the graph so that when the user clicks
> on the location, a browser is (started if necessary and) pointed
> to a URL specified by the persistent information.
> 
> One possibility is to generate pdf graphical documents with the
> existing PDF driver in R and use external software to introduce
> active links.  We don't know at present what external software
> would be useful for this.
> 
> Another possibility is to establish a "text" like function for
> use with the pdf driver that allows the user to give vectors
> of x and y coordinates and a vector of metadata to be bound to the
> coordinates as active link targets.
> 
> --
> 
> This is a request for advice/comments/plans related to
> annotated visualizations created with R but exportable to
> non-R users.  Other graphical formats and
> languages not mentioned here may be relevant and comments
> to this effect are welcome.
> 
> --
> ---
> Vince Carey, PhD
> Ass't Prof Med (Biostatistics)
> Harvard Medical School
> Channing Laboratory - ph 6175252265 fa 6177311541 cell 8572126768
> 181 Longwood Ave Boston MA 02115 USA
> 
> stvjc@channing.harvard.edu
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-- 
Dr Paul Murrell
Department of Statistics
The University of Auckland
Private Bag 92019
Auckland
New Zealand
64 9 3737599 x5392
paul@stat.auckland.ac.nz
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