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Polar plots

The polar plot is created using the Radar chart.
This particular example requires 2 data series in order to generate the spiral effect.

The angle and distance data is stored in a table with a named range. The radar chart has a point of each of the 360 degrees. Which points are plotted is determined by using a VLOOKUP function. For angles that are not contained within the data table the effect of the plot can be altered by charting either a zero or a #N/A.
 
 
 
In the example workbook is a sheet containing data in order to build the following example
 
Create a standard radar chart based on the 360 angles, which are contained in the range B2:B362
   
Clear the Category labels from the chart
   
Remove all the lines by formatting the axis and setting the Line to None
   
To construct the angle axis use a dummy data series. Add the information in range F2:F9 to the chart
   
Move the dummy data series to the secondary axis
   
You can set the Line pattern to None on the dummy series to make in invisible.
Set the secondary axis category labels to the range E2:E9
 
Remove the legend and format the secondary axis as requried
 
Depending on the plot you may wish to set the final points line style to None in order to remove the connecting line back to the zero.
To do this select the series and then use the right arrow to cycle through the points in the series. On the last points format the line to None.
   
Example Plots  

   
You can also use the filled radar plot  
 
 
Example workbook with data and formula 
 

 

   
 
 
 
   

Last updated 28th April 2007

 
 
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