Note
Click here to download the full example code
Four Grids¶
Draw a 4x4 graph with matplotlib.
This example illustrates the use of keyword arguments to networkx.draw
to
customize the visualization of a simple Graph comprising a 4x4 grid.
![plot four grids](../../_images/sphx_glr_plot_four_grids_001.png)
import matplotlib.pyplot as plt
import networkx as nx
G = nx.grid_2d_graph(4, 4) # 4x4 grid
pos = nx.spring_layout(G, iterations=100, seed=39775)
# Create a 2x2 subplot
fig, all_axes = plt.subplots(2, 2)
ax = all_axes.flat
nx.draw(G, pos, ax=ax[0], font_size=8)
nx.draw(G, pos, ax=ax[1], node_size=0, with_labels=False)
nx.draw(
G,
pos,
ax=ax[2],
node_color="tab:green",
edgecolors="tab:gray", # Node surface color
edge_color="tab:gray", # Color of graph edges
node_size=250,
with_labels=False,
width=6,
)
H = G.to_directed()
nx.draw(
H,
pos,
ax=ax[3],
node_color="tab:orange",
node_size=20,
with_labels=False,
arrowsize=10,
width=2,
)
# Set margins for the axes so that nodes aren't clipped
for a in ax:
a.margins(0.10)
fig.tight_layout()
plt.show()
Total running time of the script: ( 0 minutes 0.299 seconds)