Plotting digraphs

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Hi.

edge_size=0.0001 and vertex_size=0.1 arguments are ignored by plot(): plot2DG = DG.plot( color_by_label=True, edge_labels=False, vertex_labels=False, edge_size=0.0001, vertex_size=0.1, layout="circular" )

plot2DG.show( figsize=(5, 2) )

gives the same picture for different edge_size and vertex_size. When passing the arguments to show() it complains with "matplotlib() got an unexpected keyword argument 'edge_size'". Works for plot3d() and show3d though. What is the right way to use edge_size and vertex_size in a 2d graph plot?

Answer 1

The vertex_size parameter should work (it works fine for me in Sage 4.6.2):

G = digraphs.RandomDirectedGN(5)
G.plot(vertex_size=200, layout='circular')

According to the documentation for plot, however, edge_size is not a valid parameter. You can try looking through the documentation of NetworkX for parameters to control the edge style (arrows and such) and pass these to Sage's graph plot function via the edge_style parameter.

Plotting digraphs

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