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Pie Chart with Drill Down Capability
Following is an example of a Pie Chart with drill down capability.
We have already seen the configuration used to draw a chart in Highcharts Configuration Syntax chapter. Now, we will discuss how we have added a series under drilldown.
An example of a Pie Chart with drill down capability is given below.
Configurations
Let us now see additional configurations.
drilldown
This is the concept of inspecting increasingly high resolution data through clicking on chart items like columns or pie slices.
drilldown: { series: drilldownSeries }
Example
highcharts_pie_drilldown.htm
<html> <head> <title>Highcharts Tutorial</title> <script src = "https://ajax.googleapis.com/ajax/libs/jquery/2.1.3/jquery.min.js"> </script> <script src = "https://code.highcharts.com/highcharts.js"></script> <script src = "https://code.highcharts.com/modules/drilldown.js"></script> <script src = "https://code.highcharts.com/modules/data.js"></script> </head> <body> <div id = "container" style = "width: 550px; height: 400px; margin: 0 auto"></div> <script language = "JavaScript"> $(document).ready(function() { Highcharts.data({ csv: document.getElementById('tsv').innerHTML, itemDelimiter: '\t', parsed: function (columns) { var brands = {}, brandsData = [], versions = {}, drilldownSeries = []; // Parse percentage strings columns[1] = $.map(columns[1], function (value) { if (value.indexOf('%') === value.length - 1) { value = parseFloat(value); } return value; }); $.each(columns[0], function (i, name) { var brand, version; if (i > 0) { // Remove special edition notes name = name.split(' -')[0]; // Split into brand and version version = name.match(/([0-9]+[\.0-9x]*)/); if (version) { version = version[0]; } brand = name.replace(version, ''); // Create the main data if (!brands[brand]) { brands[brand] = columns[1][i]; } else { brands[brand] += columns[1][i]; } // Create the version data if (version !== null) { if (!versions[brand]) { versions[brand] = []; } versions[brand].push(['v' + version, columns[1][i]]); } } }); $.each(brands, function (name, y) { brandsData.push({ name: name, y: y, drilldown: versions[name] ? name : null }); }); $.each(versions, function (key, value) { drilldownSeries.push({ name: key, id: key, data: value }); }); var chart = { type: 'pie' }; var title = { text: 'Browser market shares. November, 2013' }; var subtitle = { text: 'Click the slices to view versions. Source: netmarketshare.com.' }; var xAxis = { type: 'category' }; var yAxis = { title: { text: 'Total percent market share' } }; var tooltip = { headerFormat: '<span style = "font-size:11px">{series.name}</span><br>', pointFormat: '<span style = "color:{point.color}">{point.name}</span>:<b>{point.y:.2f}%</b> of total<br/>' }; var credits = { enabled: false }; var series = [{ name: 'Brands', colorByPoint: true, data: brandsData }]; var drilldown = { series: drilldownSeries } var json = {}; json.chart = chart; json.title = title; json.subtitle = subtitle; json.xAxis = xAxis; json.yAxis = yAxis; json.tooltip = tooltip; json.credits = credits; json.series = series; json.drilldown = drilldown; $('#container').highcharts(json); } }); }); </script> <!-- Data from www.netmarketshare.com. Select Browsers => Desktop share by version. Download as tsv. --> <pre id = "tsv" style = "display:none"> Browser Version Total Market Share Microsoft Internet Explorer 8.0 26.61% Microsoft Internet Explorer 9.0 16.96% Chrome 18.0 8.01% Chrome 19.0 7.73% Firefox 12 6.72% Microsoft Internet Explorer 6.0 6.40% Firefox 11 4.72% Microsoft Internet Explorer 7.0 3.55% Safari 5.1 3.53% Firefox 13 2.16% Firefox 3.6 1.87% Opera 11.x 1.30% Chrome 17.0 1.13% Firefox 10 0.90% Safari 5.0 0.85% Firefox 9.0 0.65% Firefox 8.0 0.55% Firefox 4.0 0.50% Chrome 16.0 0.45% Firefox 3.0 0.36% Firefox 3.5 0.36% Firefox 6.0 0.32% Firefox 5.0 0.31% Firefox 7.0 0.29% Proprietary or Undetectable 0.29% Chrome 18.0 - Maxthon Edition 0.26% Chrome 14.0 0.25% Chrome 20.0 0.24% Chrome 15.0 0.18% Chrome 12.0 0.16% Opera 12.x 0.15% Safari 4.0 0.14% Chrome 13.0 0.13% Safari 4.1 0.12% Chrome 11.0 0.10% Firefox 14 0.10% Firefox 2.0 0.09% Chrome 10.0 0.09% Opera 10.x 0.09% Microsoft Internet Explorer 8.0 - Tencent Traveler Edition 0.09% </pre> </body> </html>
Result
Verify the result.
highcharts_pie_charts.htm
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