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| Current File : //proc/thread-self/root/usr/local/share/doc/networkx-2.5/examples/drawing/plot_weighted_graph.py |
"""
==============
Weighted Graph
==============
An example using Graph as a weighted network.
"""
import matplotlib.pyplot as plt
import networkx as nx
G = nx.Graph()
G.add_edge("a", "b", weight=0.6)
G.add_edge("a", "c", weight=0.2)
G.add_edge("c", "d", weight=0.1)
G.add_edge("c", "e", weight=0.7)
G.add_edge("c", "f", weight=0.9)
G.add_edge("a", "d", weight=0.3)
elarge = [(u, v) for (u, v, d) in G.edges(data=True) if d["weight"] > 0.5]
esmall = [(u, v) for (u, v, d) in G.edges(data=True) if d["weight"] <= 0.5]
pos = nx.spring_layout(G) # positions for all nodes
# nodes
nx.draw_networkx_nodes(G, pos, node_size=700)
# edges
nx.draw_networkx_edges(G, pos, edgelist=elarge, width=6)
nx.draw_networkx_edges(
G, pos, edgelist=esmall, width=6, alpha=0.5, edge_color="b", style="dashed"
)
# labels
nx.draw_networkx_labels(G, pos, font_size=20, font_family="sans-serif")
plt.axis("off")
plt.show()