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Chart Data

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Dynamic Charts

Working with Chart Axes

Chart Features

Customizing Chart

Client-Side Events

Axis settings:

This sample shows the axisZoom event.

For detailed implementation, please take a look at the HTML code tab.
 
<!DOCTYPE html>
<html>
<head>
	<title>
	AxisZoom Event Example - JavaScript Chart by DataViz Charts
</title>
	<link rel="stylesheet" type="text/css" href="../../css/dataviz.chart.css" />
	<link rel="stylesheet" type="text/css" href="../../themes/le-frog/styles.css" />
	<script src="../../js/dataviz.chart.min.js" type="text/javascript"></script>
	
	<script lang="javascript" type="text/javascript">

		function round(d) {
			return Math.round(100 * d) / 100;
		}

		var data1 = [];
		var data2 = [];

		var yValue1 = 50;
		var yValue2 = 200;

		for (var i = 0; i < 6000; i++) {

			yValue1 += Math.random() * 10 - 5;
			data1.push([i, round(yValue1)]);

			yValue2 += Math.random() * 10 - 5;
			data2.push([i, round(yValue2)]);
		}



		var background = {
			type: 'linearGradient',
			x0: 0,
			y0: 0,
			x1: 0,
			y1: 1,
			colorStops: [{ offset: 0, color: '#d2e6c9' },
						 { offset: 1, color: 'white' }]
		};

		var chart = new DataViz.Chart({
			title: { text: 'axisZoom Event' },
			axes: [
				{
					type: 'linear',
					location: 'bottom',
					zoomEnabled: true
				}
			],
			border: { strokeStyle: '#6ba851' },
			background: background,
			tooltips: {
				type: 'shared'
			},
			crosshairs: {
				enabled: true,
				hLine: false,
				vLine: { strokeStyle: '#cc0a0c' }
			},
			series: [
				{
					title: 'Series 1',
					type: 'line',
					data: data1,
					markers: null
				},
				{
					title: 'Series 2',
					type: 'line',
					data: data2,
					markers: null
				}
			]
		});

		chart.addEventListener('axisZoom', function (e, data) {
			var list = document.getElementById('listBlock');

			var chart = data.chart;
			var axis = data.axis;

			list.innerHTML = '<li>axis.actualMinimum=' + Math.round(axis.actualMinimum) + '</li>' +
							'<li>axis.actualMaximum=' + Math.round(axis.actualMaximum) + '</li>' +
							'<li></li>' +
							'<li>axis.actualVisibleMinimum=' + Math.round(axis.actualVisibleMinimum) + '</li>' +
							'<li>axis.actualVisibleMaximum=' + Math.round(axis.actualVisibleMaximum) + '</li>';
		});
		chart.write('container');
	</script>

</head>
<body>
	<div>
		<table>
			<tr>
				<td>
					<div id="container" style="width: 400px; height: 300px;">
					</div>
				</td>
				<td style="vertical-align: top">
					<div>
						<b>Axis settings:</b>
						<ul id='listBlock'>
						</ul>
					</div>
				</td>
			</tr>
		</table>
	</div>
</body>
</html>