Put Images as Nodes using Networkx and Python

nwxpython.py

import networkx as nx
import matplotlib.pyplot as plt
import matplotlib.image as mpimg
img=mpimg.imread('/home/shobhit/Desktop/shobhit.jpg')
# draw graph without images
G =nx.Graph()
G.add_edge(0,1,image=img,size=0.1)
G.add_edge(1,2,image=img,size=0.05)
G.add_edge(2,3,image=img,size=0.02)
G.add_edge(3,4,image=img,size=0.075)

pos=nx.spring_layout(G)
nx.draw(G,pos)

# add images on edges
ax=plt.gca()
fig=plt.gcf()
label_pos = 0.5 # middle of edge, halfway between nodes
trans = ax.transData.transform
trans2 = fig.transFigure.inverted().transform
imsize = 0.1 # this is the image size
for (n1,n2) in G.edges():
    (x1,y1) = pos[n1]
    (x2,y2) = pos[n2]
    (x,y) = (x1 * label_pos + x2 * (1.0 - label_pos),
             y1 * label_pos + y2 * (1.0 - label_pos))
    xx,yy = trans((x,y)) # figure coordinates
    xa,ya = trans2((xx,yy)) # axes coordinates
    imsize = G[n1][n2]['size']
    img =  G[n1][n2]['image']
    a = plt.axes([xa-imsize/2.0,ya-imsize/2.0, imsize, imsize ])
    a.imshow(img)
    a.set_aspect('equal')
    a.axis('off')
plt.savefig('/home/shobhit/Desktop/save.png') 

Here images are placed on edges, not nodes, but the method is shown well (find where nodes are and put the image on top of it).

Can we get the size of the image (or horizontal span of the image) in terms of the co-ordinate axis of the plot like -2.25 to -3.26 sort of this type, can we get this ?

Nice explanation. Can you please explain how can we add images at the nodes? I tried G.add_node(0, image = img, size = 0.2), but it doesn't work. Thanks in advance.

Nice explanation. Can you please explain how can we add images at the nodes? I tried G.add_node(0, image = img, size = 0.2), but it doesn't work. Thanks in advance.

Changed it here to put images on the nodes