问题
Is there a way to add nodes and edges to Cytoscape graph with concentric layout? Cy.add() function adds the nodes and edges to the graph without the init styling. Only way I can this, is by building the graph everytime I add a new node or edge
回答1:
When you add a node, it is positioned where you specify -- in the position field in its JSON.
If you don't want to manually specify a position, then run a layout. In your specific case, you should probably be running the concentric layout again with the same options.
来源：https://stackoverflow.com/questions/38964733/how-to-dynamically-add-nodes-to-cytoscape-graph