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Manipulating the graph: Expand nodes

Expanding nodes means displaying the nodes that are connected to one node or to a group of nodes.

We can expand nodes in different ways:

  • double-click on a node in the view.
  • select one or multiple nodes, then click on the Expand button of the left panel.
  • right-click on a node in the view, then click on the Expand button of the tooltip.

The Expand button on the left panel displays the list of available edge types and neighbor categories. We can choose to get everything or to filter the retrieved edges and neighbors.

If the expanded nodes have too many neighbors, it may however lead to unreadable visualization.

Linkurious Enterprise prevents us from adding too many neighbors at once by asking to filter the retrieved neighborhood. A safeguard popup will appear, providing options to select a specific edge type and neighbor category, to pick the most or least connected neighbors, and to change the maximal number of retrieved neighbors. We may bypass this limit manually.

Supernodes

When the number of neighbors of a node is bigger than the supernodeThreshold configured by the administrator (on the following example, 1000), the node will show on the badge an approximate value of connections followed by the plus signal.

Despite the behavior of a supernode being similar to the one of a regular node, it is not possible to expand multiple nodes at the same time when at least one of the selected nodes is a supernode.

To avoid ending up with an unreadable visualization every time a supernode is expanded, a safeguard popup will appear, providing options to select a specific edge type, neighbor category and maximum number of retrieved neighbors.

It is tempting to always add more nodes and edges to your visualization. Beware though, if you are not careful you may end up with too many nodes on your screen... and a worthless visualization.

In order to avoid that, remember to always think twice before adding more information to your visualization. The filters and the hide functionality are here to help!