Python Graphs: Latex Math rendering of node labels

问题

I am using the following code to create a pygraphviz graph. But is it possible to make it render latex math equations (see Figure 1)? If not, is there an alternative python library that plots similar graphs but supports latex rendering ?

import networkx as nx

from networkx.drawing.nx_agraph import to_agraph

G=nx.DiGraph()
G.add_node(1,color='blue',style='filled',
             fillcolor='white',shape='square', label="$3x+2$")
G.add_node(2)
G.add_node(3)
G.add_edge(1, 2)
G.add_edge(1, 3)
G.add_edge(3, 4)

A = to_agraph(G)
A.layout('dot')
A.draw('test1.png')

This results in the following figure

Figure 1

回答1:

Maybe https://dot2tex.readthedocs.org/en/latest/ will work for you? Try

import dot2tex
texcode = dot2tex.dot2tex(A.to_string(), format='tikz', crop=True)

来源：https://stackoverflow.com/questions/35830447/python-graphs-latex-math-rendering-of-node-labels