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Charts

Multiple Axes

Documentation
With the Chart widget, you can display charts with multiple axes and combine charts together to help better visualize the similarities or differences in data under investigation.
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window.onload = function() { var viewModel = { chartOptions: { palette: "vintage", dataSource: dataSource, commonSeriesSettings:{ argumentField: "year", type: "fullstackedbar" }, series: [{ valueField: "africa", name: "Africa" }, { valueField: "asia", name: "Asia" }, { valueField: "europe", name: "Europe" }, { valueField: "latinamerica", name: "Latin America & Caribbean" }, { valueField: "northamerica", name: "Northern America" }, { valueField: "oceania", name: "Oceania" }, { axis: "total", type: "spline", valueField: "total", name: "Total", color: "#008fd8" } ], valueAxis: [{ grid: { visible: true } }, { name: "total", position: "right", grid: { visible: true }, title: { text: "Total Population, billions" }, label: { format: "largeNumber" } }], tooltip: { enabled: true, shared: true, format: { type: "largeNumber", precision: 1 }, customizeTooltip: function (arg) { var items = arg.valueText.split("\n"), color = arg.point.getColor(); $.each(items, function(index, item) { if(item.indexOf(arg.seriesName) === 0) { items[index] = $("<b>") .text(item) .css("color", color) .prop("outerHTML"); } }); return { text: items.join("\n") }; } }, legend: { verticalAlignment: "bottom", horizontalAlignment: "center" }, "export": { enabled: true }, title: { text: "Evolution of Population by Continent" } } }; ko.applyBindings(viewModel, document.getElementById("chart-demo")); };
<!DOCTYPE html> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <title>DevExtreme Demo</title> <meta http-equiv="X-UA-Compatible" content="IE=edge" /> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0" /> <script src="js/jquery-3.1.0.min.js"></script> <script src="https://cdnjs.cloudflare.com/ajax/libs/knockout/3.4.0/knockout-min.js"></script> <link rel="stylesheet" type="text/css" href="https://cdn3.devexpress.com/jslib/16.2.5/css/dx.spa.css" /> <link rel="stylesheet" type="text/css" href="https://cdn3.devexpress.com/jslib/16.2.5/css/dx.common.css" /> <link rel="dx-theme" data-theme="generic.light" href="https://cdn3.devexpress.com/jslib/16.2.5/css/dx.light.css" /> <script src="https://cdn3.devexpress.com/jslib/16.2.5/js/dx.all.js"></script> <script src="data.js"></script> <link rel="stylesheet" type ="text/css" href ="styles.css" /> <script src="index.js"></script> </head> <body class="dx-viewport"> <div class="demo-container"> <div id="chart-demo"> <div id="chart" data-bind="dxChart: chartOptions"></div> </div> </div> </body> </html>
#chart { height: 440px; width: 100%; }
var dataSource = [{ year: "1750", africa: 106000000, asia: 502000000, europe: 163000000, latinamerica: 16000000, northamerica: 2000000, oceania: 2000000, total: 791000000 }, { year: "1800", africa: 107000000, asia: 635000000, europe: 203000000, latinamerica: 24000000, northamerica: 7000000, oceania: 2000000, total: 978000000 }, { year: "1850", africa: 111000000, asia: 809000000, europe: 276000000, latinamerica: 38000000, northamerica: 26000000, oceania: 2000000, total: 1262000000 }, { year: "1900", africa: 133000000, asia: 947000000, europe: 408000000, latinamerica: 74000000, northamerica: 82000000, oceania: 6000000, total: 1650000000 }, { year: "1950", africa: 229895000, asia: 1403388000, europe: 547287000, latinamerica: 167368000, northamerica: 171614000, oceania: 12675000, total: 2532227000 }, { year: "2000", africa: 811101000, asia: 3719044000, europe: 726777000, latinamerica: 521419000, northamerica: 313289000, oceania: 31130000, total: 6122770000 }, { year: "2050", africa: 2191599000, asia: 5142220000, europe: 719257000, latinamerica: 750956000, northamerica: 446862000, oceania: 55223000, total: 9306128000 }];