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Force-Atlas-2

R implementation of the Force Atlas 2 graph layout designed for Gephi. The algorithm is detailed in:

Jacomy M, Venturini T, Heymann S, Bastian M (2014) ForceAtlas2, a Continuous Graph Layout Algorithm for Handy Network Visualization Designed for the Gephi Software. PLoS ONE 9(6): e98679. doi:10.1371/journal.pone.0098679

Installation

This is not a package yet, so you should download the "ForceAtlas2.R" file and source() it.

Usage

   library(igraph)
   g <- graph.ring(100)
   layout.forceatlas2(g, iterations=10000, plotstep=500)

Disclaimer

This function is currently under development, use it at your own risk. Is written in R not in C++ as the igraph package so it can be slow compared to other layouts.

Authors

force-atlas-2's People

Contributors

adolfoalvarez avatar analyxcompany avatar

Stargazers

André Ourednik avatar George G. Vega Yon avatar Gökçen Eraslan avatar Carlos Paradis avatar Angelo A. Salatino avatar Jae-Hwan avatar Jitao David Zhang avatar Joshua Kunst avatar Jesse Fagan avatar Stephan Schlögl avatar

Watchers

James Cloos avatar Stephan Schlögl avatar avatar

Forkers

sergeitarasov albertzhangaspi

force-atlas-2's Issues

node_ids?

Hi,
I was looking for an implementation of ForceAtlas2 for a long time. Thank you for this valuable work!

However I'm not sure if I use this the right way. The functions just returns positions and I'am not sure which positions correspond to which node. I changed the outcome of the function to:

position <- as.data.frame(position)
ids <- data.frame(id=sort(unique(c(PairedData[,1],PairedData[,2]))))
position <- cbind(ids, position) 
return(position)

is this returning the right ids? Line 2 comes from AdjacencyMatrix function inside forceatlas2.

Best,
stephan

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