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Diffstat (limited to 'examples/drawing/plot_center_node.py')
| -rw-r--r-- | examples/drawing/plot_center_node.py | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/examples/drawing/plot_center_node.py b/examples/drawing/plot_center_node.py new file mode 100644 index 00000000..d7eb4706 --- /dev/null +++ b/examples/drawing/plot_center_node.py @@ -0,0 +1,20 @@ +""" +==================== +Custom Node Position +==================== + +Draw a graph with node(s) located at user-defined positions. + +When a position is set by the user, the other nodes can still be neatly organised in a layout. +""" + +import networkx as nx +import numpy as np + +G = nx.path_graph(20) # An example graph +center_node = 5 # Or any other node to be in the center +edge_nodes = set(G) - {center_node} +# Ensures the nodes around the circle are evenly distributed +pos = nx.circular_layout(G.subgraph(edge_nodes)) +pos[center_node] = np.array([0, 0]) # manually specify node position +nx.draw(G, pos, with_labels=True) |