networkx example

README.md

@@ -22,4 +22,22 @@ import graph_force
 
 edges = [(0, 1), (1, 2), (2, 3), (3, 0)]
 pos = graph_force.layout_from_edge_list(4, edges)
+```
+
+### Example with networkx
+```python
+import networkx as nx
+import graph_force
+
+G = nx.grid_2d_graph(10, 10)
+# we have to map the names to integers
+# as graph_force only supports integers as node ids at the moment
+edges = []
+mapping = {n: i for i, n in enumerate(G.nodes)}
+i = 0
+for edge in G.edges:
+    edges.append((mapping[edge[0]], mapping[edge[1]]))
+
+pos = graph_force.layout_from_edge_list(len(G.nodes), edges, iter=1000)
+nx.draw(G, {n: pos[i] for n, i in mapping.items()}, node_size=2, width=0.1)
 ```