Graph diagram menu

The panel to the left of the graph diagram contains a menu of options that you can use to customize the appearance of the graph.

The following numbered descriptions correspond to the numbered items in the image above.

(1) Search

Search for a specific node by its name. The search is not case-sensitive and you may type all or part of the name. Press ENTER to highlight all matching nodes in the diagram.

(2) Filters

Apply filters to determine which nodes to display in the graph. You can filter by: 

  • Link width - Number of links.
  • Node size - Number of occurrences.
  • Node degree - This is the number of connections that a node has with other nodes.

Note that the filters should be applied in the order they are displayed on the menu: first by width, secondly by size and finally by degree. Each time you apply a filter, all the weights are recalculated and new values are assigned to links width and nodes size. 

Suppose you filter by "node size > 10", but in the final result you can see nodes with size = 3. This is because after filtering by node size > 10, all the weights are recalculated and it is possible to have nodes that initially had a size > 10, but now have a size = 3.

(3) Selection

Select a node or nodes in the diagram, then apply filters to exclusively show or hide them in the diagram.

  1. Select a data node by clicking it.
  2. Double-click it to select all the other nodes connected to it.
  3. By further clicking on the same initial node, the selection will propagate to other connected nodes. 

You can also select a group of nodes by drawing the area that contains the desired nodes:

Once you have selected the nodes, you can apply the filters in the Selection area:

  1. Filter into the selection. This keeps the selected nodes and hides the rest of them.
  2. Filter out selection. This hides the selected nodes and keeps the rest of the them.
  3. Filter out selected links. This excludes the links to the selected nodes.
  4. Re-apply the previous filter.
  5. Apply the next filter.
  6. Clear the filter.

(4) Map mode

When activated, all nodes with geo-coordinates are plotted on a world map. This is useful for analyzing the geographical distribution of the nodes.

  • Nodes that do not have geo-coordinates are grouped on an area of the map (usually the Atlantic ocean).
  • If needed, you can set a different area to display the unpositioned nodes by selecting Show unpositioned nodes.


(5) Graph construction

There are several options available that you can use when building the graph:

  • Ignore nulls - if activated, it ignores the records with null values.
  • Convert null synonyms - if activated, it converts null synonyms ("unknown", "none") into null.
  • Define the link widths and the node sizes.

To customize the display of the graph diagram, you can choose to:

  • Ignore nulls - This will hide all records that contain null values.
  • Convert null synonyms - This will convert any null synonyms (for example, "unknown" or "none") into null.
  • Specify different methods for calculating the link widths and node sizes.

(6) View options

You can configure the following view options:

  • Selection mode - This determines which related entities will be highlighted when you double-click a node multiple times, successively. The originally-selected node is considered as level 0. Double-click the level 0 node once to select the nodes that have a level 1 relationship with it, double-click again to also select the level 2 nodes, and so on. 
    • Hops - When you double-click a level 0 node multiple times successively, the nodes that are within n hops from it will be selected. 

    • Same row - This will select the nodes in the same row as the level 0 node. Double-click the node selected to keep on showing levels. 
    • Thread - This will select the nodes from the same type as the level 0 node. Double-click the node selected to keep on showing levels.
    • Tree - This will select the nodes the parent and child nodes of the level 0 node. Double-click the node selected to keep on showing levels.

      When you select a node, links going from that node to other ones are green. Links arriving to that node are purple and discontinuous.
  • Timebar - Activate this option to animate the node distribution over the time.



    There are two different play options in the timebar: 
    • If you click the common play button, both limits of the time range move to the right.



    • The other play button makes the left limit stay fixed, only the right one moves through time. This allows you to check how data "accumulates" through time. This is useful for checking, for example, how a virus expands geographically.

(7) Nodes

Set options related to the graph nodes:

  • Show info - Activate this option to display the size of the nodes on the diagram.
  • Hide singletons - Activate this option to hide the nodes with no links.
  • Truncate labels - Activate this option to truncate the display of node labels.

Configure the aspect of the graph links:

  • Show info - Activate this option to display the width of the links on the diagram.
  • Curvature - This defines the degree of link curvature. The default is 90. 0 is no curve.
  • Transparency - This defines the degree of transparency of normal and selected links.

(9) Screen scale

Set the minimum and maximum values for the Node size and the Link width.

(10) Layout

You can configure the graph arrangement by selecting one layout (StandardStructuralSequentialHierarchical, Radial or Lenticular) and defining its Orientation and Tightness.

(11) Number format

Select the format of the numbers displayed in the graph and number of decimals places.

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