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Data Chart - Callouts Layer
This sample demonstrates using the Callouts Layer with the Data Chart control.
This sample uses CTP (Community Technical Preview) features. The API and behavior may change when these features are released with full support.
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<!DOCTYPE html>
<html>
<head>
<title>Callouts Layer</title>
<!-- Ignite UI for jQuery Required Combined CSS Files -->
<link href="http://cdn-na.infragistics.com/igniteui/2023.2/latest/css/themes/infragistics/infragistics.theme.css" rel="stylesheet" />
<link href="http://cdn-na.infragistics.com/igniteui/2023.2/latest/css/structure/infragistics.css" rel="stylesheet" />
<!--CSS file specific for chart styling -->
<link href="http://cdn-na.infragistics.com/igniteui/2023.2/latest/css/structure/modules/infragistics.ui.chart.css" rel="stylesheet" />
<script src="http://ajax.aspnetcdn.com/ajax/modernizr/modernizr-2.8.3.js"></script>
<script src="http://code.jquery.com/jquery-1.11.3.min.js"></script>
<script src="http://code.jquery.com/ui/1.11.1/jquery-ui.min.js"></script>
<!-- Ignite UI for jQuery Required Combined JavaScript Files -->
<script src="http://cdn-na.infragistics.com/igniteui/2023.2/latest/js/infragistics.core.js"></script>
<script src="http://cdn-na.infragistics.com/igniteui/2023.2/latest/js/infragistics.dv.js"></script>
</head>
<body>
<div id="chart"></div>
<script>
$(function () {
var rusCallouts = [];
var rus = [
{ Year: 1900, Value: 67473000 },
{ Year: 1910, Value: 77459000 },
{ Year: 1920, Value: 93459000 },
{ Year: 1930, Value: 102357000 },
{ Year: 1940, Value: 108377000 },
{ Year: 1950, Value: 112534000 },
{ Year: 1960, Value: 117534000 },
{ Year: 1970, Value: 130079000 },
{ Year: 1980, Value: 137552000 },
{ Year: 1990, Value: 147386000 },
{ Year: 2000, Value: 145166731 },
{ Year: 2010, Value: 142856836 },
{ Year: 2020, Value: 151880432 }
];
var usaCallouts = [];
var usa = [
{ Year: 1900, Value: 76212168 },
{ Year: 1910, Value: 92228496 },
{ Year: 1920, Value: 106021537 },
{ Year: 1930, Value: 123202624 },
{ Year: 1940, Value: 132164569 },
{ Year: 1950, Value: 151325798 },
{ Year: 1960, Value: 179323175 },
{ Year: 1970, Value: 203211926 },
{ Year: 1980, Value: 226545805 },
{ Year: 1990, Value: 248709873 },
{ Year: 2000, Value: 281421906 },
{ Year: 2010, Value: 308745538 },
{ Year: 2020, Value: 353745538 }
];
function GenerateData() {
for (var i = 0; i < usa.length; ++i) {
var rusItem = rus[i];
var usaItem = usa[i];
rusItem.ValueInMln = rusItem.Value / 1000000;
usaItem.ValueInMln = usaItem.Value / 1000000;
if (i == 0) {
usaItem.ChangeInValue = 0;
rusItem.ChangeInValue = 0;
usaItem.ChangePercentage = 0;
rusItem.ChangePercentage = 0;
} else {
usaItem.ChangeInValue = usaItem.Value - usa[i-1].Value;
rusItem.ChangeInValue = rusItem.Value - rus[i-1].Value;
usaItem.ChangePercentage = usaItem.ChangeInValue / usaItem.Value * 100.0;
rusItem.ChangePercentage = rusItem.ChangeInValue / rusItem.Value * 100.0;
}
}
}
function GenerateCallouts() {
for (var i = 0; i < usa.length; ++i) {
var usaItem = {};
usaItem.DataItem = usa[i];
usaItem.Content = "United States";
usaItem.Index = i;
usaItem.Value = usaItem.DataItem.ValueInMln;
var rusItem = {};
rusItem.DataItem = rus[i];
rusItem.Content = "Russia";
rusItem.Index = i;
rusItem.Value = rusItem.DataItem.ValueInMln;
if (i == 0) {
usaItem.Label = "";
rusItem.Label = "";
} else {
usaItem.Label = usa[i].ChangePercentage.toFixed(2) + "%";
rusItem.Label = rus[i].ChangePercentage.toFixed(2) + "%";
}
usaCallouts.push(usaItem);
rusCallouts.push(rusItem);
}
}
GenerateData();
GenerateCallouts();
$("#chart").igDataChart({
width: "100%",
height: "400px",
axes: [
{
name: "xAxis",
type: "categoryX",
label: "Year",
dataSource: usa
},
{
name: "yAxis",
type: "numericY",
title: "Population",
minimumValue: 0
}
],
series: [
{
name: "russiaPopulation",
type: "line",
title: "Russia",
dataSource: rus,
xAxis: "xAxis",
yAxis: "yAxis",
valueMemberPath: "ValueInMln",
brush: "#9E40F1",
},
{
name: "usaPopulation",
type: "line",
title: "USA",
dataSource: usa,
xAxis: "xAxis",
yAxis: "yAxis",
valueMemberPath: "ValueInMln",
brush: "#16B013",
},
{
name: "calloutSeriesUsa",
type: "calloutLayer",
dataSource: usaCallouts,
xMemberPath: "Index",
yMemberPath: "Value",
labelMemberPath: "Label",
contentMemberPath: "Content",
calloutBackground: "#16B013",
calloutLeaderBrush: "#16B013",
calloutOutline: "transparent",
calloutStrokeThickness: 0,
},
{
name: "calloutSeriesRus",
type: "calloutLayer",
dataSource: rusCallouts,
xMemberPath: "Index",
yMemberPath: "Value",
labelMemberPath: "Label",
contentMemberPath: "Content",
calloutBackground: "#9E40F1",
calloutLeaderBrush: "#9E40F1",
calloutOutline: "transparent",
calloutStrokeThickness: 0,
}
]
});
});
</script>
</body>
</html>