[R] Creating and editing networks

[Robert Gentleman]

Or graph, RBGL and Rgraphviz from www.bioconductor.org....

On Sun, May 09, 2004 at 02:35:02PM +0200, Uwe Ligges wrote:
> Gabor Grothendieck wrote:
> > I want to draw and edit networks.  Currently I will do something like this  --
> > my actual networks are larger and more complex:
> > 
> > 1. Plot network
> > 
> > # use polygon with nodes as example network
> > N <- 20
> > t. <- 2*pi*seq(N+1)/N
> > plot(cos(t.), sin(t.), type="b", pch=19, cex=5, col="blue", axes=F, ann=F)
> > 
> > 2. copy and paste the graphic as a metafile into Word.
> > 
> > 3. edit the network
> > there.   The editing typically just involves moving nodes and the attached
> > edges.  Of course, Word does not know the edges are attached to the nodes so I
> > have to move the nodes and then move the attached edges, as well.
> > 
> > The networks are too complex to create the diagrams by hand which is why
> > I want to create them in R and then edit them by hand.
> > 
> > The above strategy is marginally acceptable but 
> > I was wondering if anyone had a better strategy which retains the
> > simplicity of the present approach but gives me the capability to 
> > have the edges move along with attached nodes when editing them.
> > 
> > (Note that the strategy must consist of generating the network under program
> > control, preferably in R, and then editing it afterwards.  I am not looking
> > to create the entire network by hand since the networks are too complex for
> > that.  I had tried specifying the networks in dot from Bell Labs but 1. its 
> > still more work than generating the network in R   2. the automatic
> > layout it chooses is so far from what I need that its a lot of work to 
> > fix it up by hand in dotty and 3. I could never get them to look just how
> > I like.  I have also tried Excel and Powerpoint, both
> > of which support connectors, which are edges that move along with attached
> > nodes, but to use them I have to create the entire network by hand and
> > the networks have grown too complex to do that.)
> > 
> > ______________________________________________
> > R-help at stat.math.ethz.ch mailing list
> > https://www.stat.math.ethz.ch/mailman/listinfo/r-help
> > PLEASE do read the posting guide! http://www.R-project.org/posting-guide.html
> 
> 
> Have you tried the CRAN package "dynamicGraph" by Jens Henrik Badsberg?
> 
> Uwe Ligges
> 
> ______________________________________________
> R-help at stat.math.ethz.ch mailing list
> https://www.stat.math.ethz.ch/mailman/listinfo/r-help
> PLEASE do read the posting guide! http://www.R-project.org/posting-guide.html

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| Robert Gentleman                 phone : (617) 632-5250                   |
| Associate Professor              fax:   (617)  632-2444                   |
| Department of Biostatistics      office: M1B20                            |
| Harvard School of Public Health  email: rgentlem at jimmy.harvard.edu        |
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