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Sam McKay

CEO & Founder

Multilevel donut chart for effectively visualizing hierarchical data

Sunburst chart is used to visualize hierarchical data, depicted by concentric circles. The circle in the centre represents the root node, with the hierarchy moving outward from the center. A segment of the inner circle bears a hierarchical relationship to those segments of the outer circle which lie within the angular sweep of the parent segment.

This is an open source visual. Get the code from GitHub:


  • Can read and make changes to your document
  • Can send data over the Internet