Re: [igraph] iGraph plot - labels text-searchable?

[Tamás Nepusz]

Hi Chris,

You haven't mentioned whether you are using igraph from R or Python. Both can 
plot to PDFs, and the labels in the PDF files plotted from Python seem to be 
searchable for me (haven't checked R). The search is not perfect, though; I 
plotted a geometric random graph with 100 vertices and numeric labels from zero 
to 99, and when I was searching for "42", the PDF viewer (Preview on OS X) 
correctly highlighted the label of node 42, but it also highlighted nodes 14 
and 26 because 14 was slightly left of 26 and the last digit of 14 and the 
first digit of 26 were mistaken for 42 as well. So, it seems to be working to 
some extent, but I'm not sure whether other PDF viewers also support it or not.

-- 
T.

On 21 Apr 2011, at 23:16, Chris Irwin wrote:

> I've plotted several graphs for visualizing medium-sized directed
> graphs (300-400 nodes), and have found this library very useful.  But
> so far I've only produced PNG images.  This has the drawback of not
> being easily searchable.
> 
> I was wondering if anyone had any experience plotting an iGraph layout
> in such a way that the graph node labels are searchable.  I'm thinking
> of a large pdf or a visio document, for example.  Any ideas how to do
> that?
> 
> Thanks
> 
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