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- """
- =======
- Sampson
- =======
- Sampson's monastery data.
- Shows how to read data from a zip file and plot multiple frames.
- The data file can be found at:
- - https://github.com/networkx/networkx/blob/main/examples/drawing/sampson_data.zip
- """
- import zipfile
- from io import BytesIO as StringIO
- import matplotlib.pyplot as plt
- import networkx as nx
- with zipfile.ZipFile("sampson_data.zip") as zf:
- e1 = StringIO(zf.read("samplike1.txt"))
- e2 = StringIO(zf.read("samplike2.txt"))
- e3 = StringIO(zf.read("samplike3.txt"))
- G1 = nx.read_edgelist(e1, delimiter="\t")
- G2 = nx.read_edgelist(e2, delimiter="\t")
- G3 = nx.read_edgelist(e3, delimiter="\t")
- pos = nx.spring_layout(G3, iterations=100, seed=173)
- plt.clf()
- plt.subplot(221)
- plt.title("samplike1")
- nx.draw(G1, pos, node_size=50, with_labels=False)
- plt.subplot(222)
- plt.title("samplike2")
- nx.draw(G2, pos, node_size=50, with_labels=False)
- plt.subplot(223)
- plt.title("samplike3")
- nx.draw(G3, pos, node_size=50, with_labels=False)
- plt.subplot(224)
- plt.title("samplike1,2,3")
- nx.draw(G3, pos, edgelist=list(G3.edges()), node_size=50, with_labels=False)
- nx.draw_networkx_edges(G1, pos, alpha=0.25)
- nx.draw_networkx_edges(G2, pos, alpha=0.25)
- plt.tight_layout()
- plt.show()
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