Sunburst Chart

This node displays hierarchical data in a radial layout. The view can be accessed either via the “Open view” action on the executed node or on KNIME Hub.
In the node configuration, you can choose input data you want to display and enable certain controls, which are then available in the view. This includes the ability to choose different columns or the possibility to set a title.
The configuration also offers a preview of the view, which should help to get the sunburst chart in the desired shape quickly.

Options

Hierarchy dimensions

Defines the columns that are used to define the hierarchical relations in the chart. Each column represents one layer of the chart.

Value dimension

Defines the column that contains the sizes of the segments in the outer layer of the chart.

Aggregate small categories

When checked, small categories that lie below the specified threshold will be aggregated.

Threshold

Segments with a proportion less than the specified threshold will be aggregated.

Title

The title of the graph shown above the generated image. If left blank, no title will be shown.

Sort categories by

Select the rule by which the segments should be sorted. If a segment of aggregated small categories is displayed, it is excluded from this sorting as it is always the last segment.

Show labels

When checked, the labels of the chart segments are shown.

Label content

Select what is shown in the labels of the chart segments.

Label value format

Select how values should be formatted inside the label.

Label for aggregated categories

The label of the segments resulting from aggregating small categories below the specified threshold.

Label orientation

Select how the labels should be rotated in the chart.

Enable image download

When checked, an image of the chart can be downloaded by clicking the image download button in the view.

Show tooltip

When checked, hovering over a chart segment will show information about the data.

Tooltip value format

Select how values should be formatted inside the tooltip.

Enable animation

When checked, the animation of the graph is active.

Generate image

If checked, adds an image output port and, upon execution, generates a PNG image which is made available via this port.

Width

The width of the generated image (in pixels).

Height

The height of the generated image (in pixels).

Views

Sunburst Chart

A sunburst chart visualization of the input data.

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