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Sunburst Chart

This chart displayes hierarchical data in a radial layout: The circle in the chart center represents the hierarchy's root node. Sections further outside represent nodes that are located deeper in the hierarchy.
Each leaf node has a attached value attribute. For sections corresponding to leaf nodes, the area is derived from the leaf node's value attribute. For sections not corresponding to leaf nodes, the area is derived from the accumulated value of all descending leaf nodes.

This node expects a data structure that satisfies certain requirements:

Each row represents the path from the root node to a leaf node.
The user selects multiple path columns. Each path column gives the labels for a respective hierarchy level.
The number of path columns corresponds to the maximal depth of the hierarchy.
Paths shorter then the maximal depth need to be filled up with missing values.
The user selected value column gives the leaf node's attached value attribute.

The following table gives an example for such a data structure:

level0	level1	level2	value
Carnivora	Felidae	Panthera	10
Carnivora	Mustelidae	Mephitis	6
Carnivora	Mustelidae	Lutra	7
Carnivora	Canidae	?	14

CSS Styling

The node supports custom CSS styling. You can simply put CSS rules into a single string and set it as a flow variable 'customCSS' in the node configuration dialog. You will find the list of available classes and their description on our documentation page at https://knime.com/css-styling.

Options

Path columns: Select the columns which indicate the leaf nodes' paths.
Frequency column (*): Select the column with the value information for the leaf nodes.
Filter out small nodes: When checked, very small nodes are not displayed.
Threshold for filtering (radian)

General Plot Options

Title (*): The chart title.
Subitle (*): The chart subtitle.
Display legend: When checked, the chart's legend is displayed.
Display breadcrumb: When checked, a breadcrumb is displayed (on mouseover, etc.). The breadcrumb depicts a (sub-)path in the hierarchy.
Display tooltip: When checked, a tooltip is shown when hovering over a cell.
Enable donut hole: When checked, a donut hole is displayed.
Enable zoom: When checked, zooming into the chart partitions is enabled.
Enable Selection: When checked, user selections are enabled.
Show selection only: When checked, only selected objects are displayed.
Enable Focus: When checked, focus on sections is enabled.
Enable inner label: When checked, an inner label is displayed (on mouseover, etc.).
Inner label style: Choose what accumulation type is used for the inner label.
Inner label text (*): The inner label's text.
Publish Selection: Check to enable publishing of selection events.
Subscribe to selection events: Check to enable subscription of selection events.
Subscribe to filter events: Check to enable subscription of filter events.
Image: Settings for image generation.

Control Options

Enable view controls: Check to enable controls in the chart.
Enable title editing: Check to enable the editing of the title within the view.
Enable subtitle editing: Check to enable the editing of the subtitle within the view.
Enable filter tiny nodes toggle: Check to enable toggling of filtering for small nodes within the view.
Enable legend toggle: Check to enable toggling of the legend within the view.
Enable breadcrumb toggle: Check to enable toggling of the breadcrumb within the view.
Enable tooltip toggle: Check to enable toggling of the tooltip within the view.
Enable donut hole toggle: Check to enable toggling of the donut hole within the view.
Enable inner label toggle: Check to enable toggling of the inner label within the view.
Enable inner label style selection: Check to enable selection of inner label style within the view.
Enable inner label editing: Check to enable editing of the inner label within the view.
Enable selection only toggle: Check to enable toggling of selection-only within view.
Enable publish selection toggle: Check to enable toggling of selection publishing within view.
Enable subscribe to selection toggle: Check to enable toggling of selection subscription within view.
Enable subscribe to filter toggle: Check to enable toggling of filter subscription within view.

Input Ports

: Data table containing one row for each leaf node in the hierarchy. Path columns each give the labels for a respective hierarchy level. The value column gives the leaf node's attached value attribute.
: Color model indicating the colors used for the sunburst chart.

Output Ports

: SVG image of the sunburst chart.
: Input table plus a new column that gives the selections made in the view.

Popular Predecessors

Popular Successors

Views

Interactive View: Sunburst Chart: A D3.js implementation of a sunburst chart.

Workflows

Developers

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Installation

To use this node in KNIME, install the extension KNIME JavaScript Views from the below update site following our NodePit Product and Node Installation Guide:

v4.7

A zipped version of the software site can be downloaded here.

Plugin provider: KNIME AG, Zurich, Switzerland

Plugin version: 4.7.0.v202211082357

On NodePit since: 2022-12-06

Last update: 2024-11-15

KNIME versions: From v4.0 to v4.7

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