diff options
| -rw-r--r-- | examples/pygraphviz/pygraphviz_attributes.py | 49 |
1 files changed, 16 insertions, 33 deletions
diff --git a/examples/pygraphviz/pygraphviz_attributes.py b/examples/pygraphviz/pygraphviz_attributes.py index 736f3999..ab91979c 100644 --- a/examples/pygraphviz/pygraphviz_attributes.py +++ b/examples/pygraphviz/pygraphviz_attributes.py @@ -8,7 +8,7 @@ https://networkx.lanl.gov/pygraphviz/ """ __author__ = """Aric Hagberg (hagberg@lanl.gov)""" -# Copyright (C) 2006-2008 by +# Copyright (C) 2006-2010 by # Aric Hagberg <hagberg@lanl.gov> # Dan Schult <dschult@colgate.edu> # Pieter Swart <swart@lanl.gov> @@ -18,43 +18,26 @@ __author__ = """Aric Hagberg (hagberg@lanl.gov)""" import networkx as nx # networkx graph -X=nx.Graph() +G=nx.Graph() # ad edges with red color -X.add_edge(1,2,{'color':'red'}) -X.add_edge(2,3,{'color':'red'}) +G.add_edge(1,2,color='red') +G.add_edge(2,3,color='red') # add nodes 3 and 4 -X.add_node(3) -X.add_node(4) +G.add_node(3) +G.add_node(4) -# convert to a graphviz graph, -# use edge attributes from Graph edge data -# no node attributes, or default graph, node, or edge attributes -A=nx.to_agraph(X) - -# set some default attributes for pygraphviz -default_attributes={'graph':{},'node':{},'edge':{}} -default_attributes['graph']['label']='pygraphviz graph' -default_attributes['node']['shape']='circle' - -# set some node attributes -node_attributes={} -node_attributes[3]={'color':'green','shape':'box'} - -# convert to AGraph, override any attributes with those on given command line -A1=nx.to_agraph(X, - graph_attr=default_attributes, - node_attr=node_attributes, - ) +# convert to a graphviz agraph +A=nx.to_agraph(G) # write to dot file -A1.write('k5_attributes.dot') +A.write('k5_attributes.dot') # convert back to networkx Graph with attributes on edges and # default attributes as dictionary data -X=nx.from_agraph(A1) -print "edges" -print X.edges(data=True) -print "default attributes" -print X.graph_attr -print "node attributes" -print X.node_attr +X=nx.from_agraph(A) +print("edges") +print(X.edges(data=True)) +print("default graph attributes") +print(X.graph) +print("node node attributes") +print(X.node) |