Thank you very much, Gábor! It is clear how it works now! Best,
Charles On Wed, May 22, 2013 at 7:46 PM, Gábor Csárdi <[email protected]> wrote: > Hi Charles, > > you need to supply the layout explicitly to the function, set rescale=FALSE > as well, and maybe also set xlim and ylim, e.g.: > > coords <- layout.auto(gtest) > plot(gtest, layout=coords, rescale=FALSE, xlim=range(coords[,1]), > ylim=range(coords[,2])) > > G. > > > > On Wed, May 22, 2013 at 12:18 PM, Charles Novaes de Santana > <[email protected]> wrote: >> >> Dear list, >> >> I am trying to combine the plot of a network and the plot of some >> points in the same plot (I want to plot the "legend" of the network, >> associating the sizes of the nodes to some characteristics of my >> phenomena). To do it, I am using the function "points" of package >> "graphics" in R. But I am facing some difficulties to define the size >> of the points I am plotting. Is there any ratio between the size of a >> point plotted with igraph (the vertex of a network) and the size of a >> point plotted with other functions of R (for example, the function >> "points")? >> >> An example: >> >> library(igraph) >> >> mat<-matrix(0,nrow=2,ncol=2) >> mat[1,2]<-1 >> gtest<-graph.adjacency(mat) >> plot(gtest,vertex.size=c(10,20),vertex.color=c("blue","red")) >> points(0,0,pch=19,cex=10,col="green") >> >> I supposed that if the sizes used to both, igraph and R, were the >> same, the size of the green point would be the same of the blue node >> of the network. But I was wrong. >> >> Any help is much appreciated! >> >> Best regards, >> >> Charles >> -- >> Um axé! :) >> >> -- >> Charles Novaes de Santana >> http://www.imedea.uib-csic.es/~charles >> PhD student - Global Change >> Laboratorio Internacional de Cambio Global >> Department of Global Change Research >> Instituto Mediterráneo de Estudios Avanzados(CSIC/UIB) >> Calle Miquel Marques 21, 07190 >> Esporles - Islas Baleares - España >> >> Office phone - +34 971 610 896 >> Cell phone - +34 660 207 940 >> >> _______________________________________________ >> igraph-help mailing list >> [email protected] >> https://lists.nongnu.org/mailman/listinfo/igraph-help > > > > > -- > Gabor Csardi <[email protected]> MTA KFKI RMKI > > _______________________________________________ > igraph-help mailing list > [email protected] > https://lists.nongnu.org/mailman/listinfo/igraph-help > -- Um axé! :) -- Charles Novaes de Santana http://www.imedea.uib-csic.es/~charles PhD student - Global Change Laboratorio Internacional de Cambio Global Department of Global Change Research Instituto Mediterráneo de Estudios Avanzados(CSIC/UIB) Calle Miquel Marques 21, 07190 Esporles - Islas Baleares - España Office phone - +34 971 610 896 Cell phone - +34 660 207 940 _______________________________________________ igraph-help mailing list [email protected] https://lists.nongnu.org/mailman/listinfo/igraph-help
