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Dynamic Series from the DataSource
Documentation
In this example, data for series is provided in a peculiar manner. Each object in the data source represents a point in a single series. To define series in this case, use the seriesTemplate object where you need to specify the data field providing series names and custom settings for a given series. Settings common to all series must be set within the commonSeriesSettings object. Providing data in this manner is useful when the number of points within a single series changes over time.
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var DemoApp = angular.module('DemoApp', ['dx']);
DemoApp.controller('DemoController', function DemoController($scope) {
$scope.chartOptions = {
palette: "violet",
dataSource: dataSource,
commonSeriesSettings: {
argumentField: "country",
valueField: "oil",
type: "bar"
},
seriesTemplate: {
nameField: "year",
customizeSeries: function(valueFromNameField) {
return valueFromNameField === 2009 ? { type: "line", label: { visible: true }, color: "#ff3f7a" } : {};
}
},
title: {
text: "Oil Production",
subtitle: {
text: "(in millions tonnes)"
}
},
"export": {
enabled: true
},
legend: {
verticalAlignment: "bottom",
horizontalAlignment: "center"
}
};
});
<!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="https://ajax.googleapis.com/ajax/libs/jquery/3.5.1/jquery.min.js"></script>
<script>window.jQuery || document.write(decodeURIComponent('%3Cscript src="js/jquery.min.js"%3E%3C/script%3E'))</script>
<link rel="stylesheet" type="text/css" href="https://cdn3.devexpress.com/jslib/20.2.4/css/dx.common.css" />
<link rel="stylesheet" type="text/css" href="https://cdn3.devexpress.com/jslib/20.2.4/css/dx.light.css" />
<script src="https://ajax.googleapis.com/ajax/libs/angularjs/1.3.16/angular.min.js"></script>
<script>window.angular || document.write(decodeURIComponent('%3Cscript src="js/angular.min.js"%3E%3C/script%3E'))</script>
<script src="https://cdn3.devexpress.com/jslib/20.2.4/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" ng-app="DemoApp" ng-controller="DemoController">
<div id="chart" dx-chart="chartOptions"></div>
</div>
</body>
</html>
#chart {
height: 440px;
width: 100%;
}
var dataSource = [{
year: 1970,
country: "Saudi Arabia",
oil: 192.2
}, {
year: 1970,
country: "USA",
oil: 533.5
}, {
year: 1970,
country: "Iran",
oil: 192.6
}, {
year: 1970,
country: "Mexico",
oil: 24.2
}, {
year: 1980,
country: "Saudi Arabia",
oil: 509.8
}, {
year: 1980,
country: "USA",
oil: 480.2
}, {
year: 1980,
country: "Iran",
oil: 74.3
}, {
year: 1980,
country: "Mexico",
oil: 107.2
}, {
year: 1990,
country: "Saudi Arabia",
oil: 342.6
}, {
year: 1990,
country: "USA",
oil: 416.6
}, {
year: 1990,
country: "Iran",
oil: 162.8
}, {
year: 1990,
country: "Mexico",
oil: 146.3
}, {
year: 1990,
country: "Russia",
oil: 515.9
}, {
year: 2000,
country: "Saudi Arabia",
oil: 456.3
}, {
year: 2000,
country: "USA",
oil: 352.6
}, {
year: 2000,
country: "Iran",
oil: 191.3
}, {
year: 2000,
country: "Mexico",
oil: 171.2
}, {
year: 2000,
country: "Russia",
oil: 323.3
}, {
year: 2008,
country: "Saudi Arabia",
oil: 515.3
}, {
year: 2008,
country: "USA",
oil: 304.9
}, {
year: 2008,
country: "Iran",
oil: 209.9
}, {
year: 2008,
country: "Mexico",
oil: 157.7
}, {
year: 2008,
country: "Russia",
oil: 488.5
}, {
year: 2009,
country: "Saudi Arabia",
oil: 459.5
}, {
year: 2009,
country: "USA",
oil: 325.3
}, {
year: 2009,
country: "Iran",
oil: 202.4
}, {
year: 2009,
country: "Mexico",
oil: 147.5
}, {
year: 2009,
country: "Russia",
oil: 494.2
}
];