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This topic contains 1 reply, has 2 voices, and was last updated by  Dimitar 8 years, 3 months ago.

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  • June 2, 2016 at 9:11 pm show absolute values, is it possible? #84846

    nklapper
    Participant

    Is it possible to show absolute values, along with percentages, on a pie chart?

    For example: slice(1) is 15% of a total pie of absolute value 200. Is there a way to also display the absolute value of slice(1) as 30? Either in the series displayText or perhaps the legend text?

    Thanks!

    June 3, 2016 at 5:06 am show absolute values, is it possible? #84855

    Dimitar
    Participant

    Hello nklapper,

    This can be achieved using formatFunction, as shown in the following example. We hope it is helpful to you:

    <!DOCTYPE html>
<html lang="en">
<head>
    <link rel="stylesheet" href="../../jqwidgets/styles/jqx.base.css" type="text/css" />
    <script type="text/javascript" src="../../scripts/jquery-1.11.1.min.js"></script>
    <script type="text/javascript" src="../../jqwidgets/jqxcore.js"></script>
    <script type="text/javascript" src="../../jqwidgets/jqxdraw.js"></script>
    <script type="text/javascript" src="../../jqwidgets/jqxchart.core.js"></script>
    <script type="text/javascript" src="../../jqwidgets/jqxdata.js"></script>
    <script type="text/javascript">
        $(document).ready(function () {
            var sampleData = [{ name: 'a', value: 30 }, { name: 'b', value: 170 }];
            // prepare chart data as an array
            var source =
            {
                datatype: "json",
                datafields: [
                    { name: 'name' },
                    { name: 'value' }
                ],
                localdata: sampleData
            };

            var total = 0;
            var dataAdapter = new $.jqx.dataAdapter(source, {
                loadComplete: function (data) {
                    for (var i = 0; i < data.length; i++) {
                        total += data[i].value;
                    }
                }
            });

            // prepare jqxChart settings
            var settings = {
                title: "Desktop browsers share",
                description: "(source: wikipedia.org)",
                enableAnimations: true,
                showLegend: false,
                showBorderLine: true,
                legendPosition: { left: 520, top: 140, width: 100, height: 100 },
                padding: { left: 5, top: 5, right: 5, bottom: 5 },
                titlePadding: { left: 0, top: 0, right: 0, bottom: 10 },
                source: dataAdapter,
                colorScheme: 'scheme02',
                seriesGroups:
                    [
                        {
                            type: 'pie',
                            showLabels: true,
                            series:
                                [
                                    {
                                        dataField: 'value',
                                        displayText: 'name',
                                        labelRadius: 120,
                                        initialAngle: 15,
                                        radius: 170,
                                        centerOffset: 0,
                                        formatFunction: function (value, a, b, c) {
                                            var percentage = value * 100 / total;
                                            return 'Value: ' + value + ' (' + percentage + '%)';
                                        }
                                    }
                                ]
                        }
                    ]
            };

            // setup the chart
            $('#chartContainer').jqxChart(settings);
        });
    </script>
</head>
<body class='default'>
    <div id='chartContainer' style="width: 850px; height: 500px;">
    </div>
</body>
</html>

    Best Regards,
    Dimitar

    jQWidgets team
    http://www.jqwidgets.com/

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