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Note

This documents the development version of NetworkX. Documentation for the current release can be found here.

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JavascriptΒΆ

Example of writing JSON format graph data and using the D3 Javascript library to produce an HTML/Javascript drawing.

You will need to download the following directory:

import json

import flask
import networkx as nx
from networkx.readwrite import json_graph

G = nx.barbell_graph(6, 3)
# this d3 example uses the name attribute for the mouse-hover value,
# so add a name to each node
for n in G:
    G.nodes[n]["name"] = n
# write json formatted data
d = json_graph.node_link_data(G)  # node-link format to serialize
# write json
json.dump(d, open("force/force.json", "w"))
print("Wrote node-link JSON data to force/force.json")

# Serve the file over http to allow for cross origin requests
app = flask.Flask(__name__, static_folder="force")


@app.route("/")
def static_proxy():
    return app.send_static_file("force.html")


print("\nGo to http://localhost:8000 to see the example\n")
app.run(port=8000)

Total running time of the script: ( 0 minutes 0.000 seconds)

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