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A Radar Chart, sometimes referred to as a Spider Chart or a Star Chart, is a circular graph used primarily as a data comparison tool . The chart will normally be circular, but can be displayed as a polygon.
Figure 1 - Example of a Radar Chart
When a radar chart is selected, additional settings become available on the series; both in chart designer .- and under advanced properties .
Figure 2 - Radar Attributes (in Chart Designer)
Figure 3 - Radar Attributes (in Series properties in Advanced properties mode)
Area Drawing Style
Select the shape of the Radar Chart Area in the Area Drawing Style field. This attribute has two options: Circle (the default), or Polygon.
Figure 4 - Example of a Polygon Radar Chart
Radar Drawing Style
Three main styles are available for drawing the Radar chart series: Area, Line and Marker. In addition to selecting the drawing style, you control the appearance using the ordinary properties of the Series window. This means that you may also use the Series drawing styles such as Borders and Markers through the standard Series properties (Marker Style, Marker Color, Border Color, etc.). If you want the colors of the lines and markers to follow the chosen palette for your chart, leave the Color fields for these parameters empty.
Area
A radar chart using the "Area" drawing style will fill the area below the line just as in a regular "Area chart" (in a radar chart, "below the line" is the area between the line and the center of the radar chart) .
Figure 5 - Area
If there are many overlapping areas, setting "transparency" in the Series window will enable you to see other series "through" the outer ones. An area radar chart usually works best with few series.
Line
The figure in Area Drawing Style shows an example of a radar chart using the "line" drawing style. Set the style and width of the line in the ordinary "line/border attributes" of the series.
Marker
A Radar Chart using the "Marker" style will have markers indicating the points on the y axes . Control the appearance of the markers by the marker attributes on the Series window (color, width and style).
Figure 6 - Marker
Circular Labels Style
Control the layout of the labels around the Radar Chart using the "Circular Labels Style" settings.
Circular
Select Circular to position the labels in a circular fashion around the chart area .
Figure 7 - Circular
Radial
Select Radial to position the Label text at the same angle as the radar sector .
Figure 8 - Radial text
Horizontal
Select Horizontal to position the Label texts horizontally around the chart .
Figure 9 - Horizontal text
Radar Chart 3D Appearance
The circular Radar chart area does not support true 3D. The only property from the Area3DStyle object that affects the Radar chart is the Enable3D property. If you set Enable3D to True, the drawing style for the area background changes to give the appearance of looking down on a 3D cone . No rotation or any other 3D properties are applicable.
Figure 10 - Example of a 3D radar chart