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Data Model and Data Visualization Add-on Documentation > User Guide > Data value graphs > Using data value graphs
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Using data value graphs

When you generate a data value graph using default functionality—a graph not tied to a custom configuration—the add-on displays the selected values as nodes. From the graph, you can:

The following image highlights the available features when viewing a data value graph:

/display_selected_data.png

1)

Export a PDF, PNG, or SVG of the current graph.

2)

From left to right, these icons allow you to:

  • Toggle display of nodes from direct child dataspaces (not shown in above image).

  • Undo your last action.

  • Toggle grid mode. By default, grid mode is enabled and distributes graph nodes in rows and columns. With a given node, its parent nodes display on the left and child nodes on the right. You can drag nodes to rearrange them whether or not grid mode is enabled. When you do change a node location and grid mode is enabled, other nodes may reorient automatically. However, when you expand nodes in grid mode, the expanded or collapsed node does not change position.

  • Change node shape. Available shapes are: rectangle (default), circle, square, ellipse.

  • Change the graph's zoom level.

  • Toggle the filter pane (shown).

    In the filter pane, the search field allows you to locate data values in the graph. Once you find and select an element, the graph centers to focus on it. You can also use the filter to toggle display of data model components. For example, if you hide a table, all of its corresponding values in the graph are hidden. Note that after applying a change in the filter, the filter stays active when you expand/collapse nodes.

3)

Enter and exit fullscreen mode and select the '?' to view the documentation related to data value graphs.

4)

Expand and collapse relationships by selecting the + or - icons. Double-click a node to open the record detail view. Selected nodes and relationships are highlighted in red. Each node displays the number of additional nodes that will display after selecting the + icon.

5)

Drag the mini-map in the Overview box to re-orient the graph. You can also drag the box to any of the graph's four corners.

When expanding a node would result in display of 10 or more nodes, the add-on allows you to select the nodes you want to expand. Selecting the /select-nodes-icon.png icon displays the following pop-up dialog where you can choose the nodes to open and select Expand selected nodes:

Note

The number of nodes you can select is determined by an administrative configuration option. By default, this value is 2000.

/select-nodes.png

As shown above, the Select nodes to expand pop-up includes a search field and navigation options. By default, the quick search option displays. You can access advanced search functionality by selecting the downward-facing arrow to the right of the search field. Advanced search allows you to filter the nodes displayed by specifying different criteria. Each criterion you add is applied to one of the following fields: Dataspace, Dataset, Table, Label. Note that the button to apply filters and search is disabled until valid criteria are added.