Hi Manuel,
I'm not sure if I understand you right, but I think in ggplot2 it's
quite easy to combine poligons with for example dots and lines between them.
Here is an example of a map with nodes and edges on it.
http://supersambo.schloegl.net/stuff/europe_relations.pdf
Its a network of locations of twitter users and follower relationships
between them. Size is based on the number of users in a certain
location, Color is a result of the community detection algorithm I ran
on the network and the thickness should represent the weight of edges.
The plot is a combination of geom_polygon() for the map geom_text() for
the "nodes" and geom_segment() for edges.
Please do not comment on this plot in particular :). I know you can't
read hardly anything out of this but it's just a first attempt and I was
wondering if you were looking for something like this
Best,
stephan
On 27.06.2014 14:03, Manuel Herrera Fernandez wrote:
Hi everybody!
I'm working with an igraph network (in R) with coordinates
corresponding to real data. The next stage of my analysis should be
combine that igraph network with a GIS polygon. I already captured GIS
into R by a number of methods (by using sp and maptools or rgdal etc.)
but any of them allow to me combining these two plots into one.
I'd appreciate very much if you share with me possible ideas to handle
this part of my work.
Thanks in advance,
Manuel
--
*Manuel Herrera Fernandez*
Research Associate
Dept. of Civil and Environmental Engineering
South Kensington Campus - Imperial College London
SW7 2BU London, United Kingdom
Tel: +44 (0)20 7594 8061
Email: [email protected]
Web: http://www.imperial.ac.uk/people/a.herrera-fernandez
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Mag. Stephan Schlögl
Projektmitarbeiter (Prae-Doc)
Institut für Publizistik- und
Kommunikationswissenschaft
Währinger Straße 29, 1090 Wien
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