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Highcharts Essentials

You're reading from   Highcharts Essentials Create interactive data visualization charts with the Highcharts JavaScript library

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Product type Paperback
Published in Oct 2014
Publisher
ISBN-13 9781783983964
Length 228 pages
Edition 1st Edition
Languages
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Author (1):
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Bilal Shahid Bilal Shahid
Author Profile Icon Bilal Shahid
Bilal Shahid
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Toc

Table of Contents (11) Chapters Close

Preface 1. Getting Started with Highcharts FREE CHAPTER 2. Column and Bar Charts 3. Line and Spline Charts 4. Area, Scatter, and Bubble Charts 5. Pie, Polar, and Spider Web Charts 6. Other Chart Types 7. Theming with Highcharts 8. Exploring Highcharts APIs and Events 9. Going Further with Highcharts Index

Configuring a semicircle donut


Highcharts also offers a semicircle donut chart, a variation of the pie chart. Converting a pie chart into a semicircle donut is easy as it requires just setting the startAngle and endAngle properties.

Take the code from the previous example and remove the second series for the sake of simplicity. You will be left with a series containing car manufacturers, and we will be converting it into a semicircle donut chart using the following code:

plotOptions: {
  pie: {
    startAngle: -90,
    endAngle: 90
  }
}

The chart will now start at 90º to the left and end at 90º to the right.

You can play quite a lot with the startAngle and endAngle properties. The following is a screenshot of a quarter-circle chart that is produced by setting startAngle to -180º and endAngle to 90º:

Setting the innerSize property of the series to 20% produces the following result:

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