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| """ | |
| ==================== | |
| 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) | |