New question #164933 on Gephi:
https://answers.launchpad.net/gephi/+question/164933

Hi,
I have a network of nearly 21,000 nodes representing the spatial locations of 
wetlands.  My data look like this: 
ID       LL_X                   LL_Y         AREAM2
0       -102.57220      36.49831             53018.90243
1       -102.64557      36.49704             12380.67273
2       -102.59709      36.49565             52597.29728
etc.
where ID is a unique number for each wetland, LL_X and LL_Y are the longitude 
and latitude coordinates of the wetland, and AREAM2 is the size in square 
meters.  I was wondering how to input such data for Gephi, given that this is a 
undirected and very large network, and each wetland is potentially connected to 
all others (would have edges to all other nodes).  My ultimate goal is to try 
to identify the crucial stepping-stone wetlands via betweenness centrality 
metrics, but I am having problems finding software that can handle such a large 
network.  I looked through the supported file types, but all have specified 
edges and would just be impractical for a network as large as mine.  Is there 
an alternative?  I hope you can help!
Thanks,
Nancy McIntyre


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