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Overview

A Radar Line Chart renders dataset values on a polar (radial) grid. Concentric scale rings extend from a center point outward; each Dimension value becomes a radial axis around the perimeter; Measure values are plotted along each axis at the distance corresponding to the value; and a line connects the plotted points around the radar. Radar Line Charts are useful when a single Dimension has multiple categorical values whose Measure can be displayed in a circular layout rather than a rectangular one.

Radar Line Charts are authored from Lens → Design → Chart Designer → Visualization → Radar Line Chart. This page documents the Radar-specific behavior; for property and column configuration, see the Bar Chart PD reference. Most Bar Chart properties apply.

When to use it

  • Visualize a single Measure across a single Dimension’s values in a circular layout instead of a rectangular Bar Chart.
  • Cases where the radial visual style fits the Dashboard composition better than a linear chart — branded reports, decorative displays.
  • Comparing relative positions of values around a center reference point.
  • Three to ten Dimension values where the radial spread is meaningful and labels don’t overlap.

Relationship to Bar Chart

Properties and Columns customization on the Radar Line Chart inherits from the Bar Chart, with the rendering differing structurally (polar coordinates instead of rectangular axes).

Properties tabTitle, Legend, Tooltip Options, Background, Label Position, Padding, Cumulative Data, Adhoc Report. The Properties panel also shows X-Axis and Y-Axis groups on Radar Line, though Radar uses polar coordinates.Bar Chart PD → Properties tab
Columns tabHeader, Display Name, Content Properties, Sorting & Filter, Image, Tooltip Options, Type, Drilldown, Aggregate, Column Settings, plus the Bar-specific Tool Tip, Outline, Gradient, Label Rotation.Bar Chart PD → Columns tab
Polar renderingRadial axes emanate from the chart center; one axis per Dimension value. Measure values are plotted along each axis; a line connects the plotted points around the radar.—

Key behaviors

Concentric scale rings show value bands. The grid lines between center and perimeter form concentric rings labeled with Measure-value increments. A point’s position relative to the rings reads as the Measure value visually — close to center is low, close to perimeter is high.

Use Radar Line for circular-layout single-Measure data; Bar Chart for rectangular layout. Radar Line and Bar Chart can render the same data shape (one Dimension, one Measure). Pick Radar Line when the circular visual layout fits the Dashboard composition. Pick Bar Chart when straight bars on a horizontal/vertical axis are clearer.