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samples/areaWithTimeBasedData.html
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<title>amCharts examples</title>
<link rel="stylesheet" href="style.css" type="text/css">
<script src="../amcharts/amcharts.js" type="text/javascript"></script>
<script src="../amcharts/serial.js" type="text/javascript"></script>
<script type="text/javascript">
var chart;
var chartData = [];
AmCharts.ready(function () {
// first we generate some random data
generateChartData();
// SERIAL CHART
chart = new AmCharts.AmSerialChart();
chart.pathToImages = "../amcharts/images/";
chart.dataProvider = chartData;
chart.categoryField = "date";
// data updated event will be fired when chart is first displayed,
// also when data will be updated. We'll use it to set some
// initial zoom
chart.addListener("dataUpdated", zoomChart);
// AXES
// Category
var categoryAxis = chart.categoryAxis;
categoryAxis.parseDates = true; // in order char to understand dates, we should set parseDates to true
categoryAxis.minPeriod = "mm"; // as we have data with minute interval, we have to set "mm" here.
categoryAxis.gridAlpha = 0.07;
categoryAxis.axisColor = "#DADADA";
// Value
var valueAxis = new AmCharts.ValueAxis();
valueAxis.gridAlpha = 0.07;
valueAxis.title = "Unique visitors";
chart.addValueAxis(valueAxis);
// GRAPH
var graph = new AmCharts.AmGraph();
graph.type = "line"; // try to change it to "column"
graph.title = "red line";
graph.valueField = "visits";
graph.lineAlpha = 1;
graph.lineColor = "#d1cf2a";
graph.fillAlphas = 0.3; // setting fillAlphas to > 0 value makes it area graph
chart.addGraph(graph);
// CURSOR
var chartCursor = new AmCharts.ChartCursor();
chartCursor.cursorPosition = "mouse";
chartCursor.categoryBalloonDateFormat = "JJ:NN, DD MMMM";
chart.addChartCursor(chartCursor);
// SCROLLBAR
var chartScrollbar = new AmCharts.ChartScrollbar();
chart.addChartScrollbar(chartScrollbar);
// WRITE
chart.write("chartdiv");
});
// generate some random data, quite different range
function generateChartData() {
// current date
var firstDate = new Date();
// now set 1000 minutes back
firstDate.setMinutes(firstDate.getDate() - 1000);
// and generate 1000 data items
for (var i = 0; i < 1000; i++) {
var newDate = new Date(firstDate);
// each time we add one minute
newDate.setMinutes(newDate.getMinutes() + i);
// some random number
var visits = Math.round(Math.random() * 40) + 10;
// add data item to the array
chartData.push({
date: newDate,
visits: visits
});
}
}
// this method is called when chart is first inited as we listen for "dataUpdated" event
function zoomChart() {
// different zoom methods can be used - zoomToIndexes, zoomToDates, zoomToCategoryValues
chart.zoomToIndexes(chartData.length - 40, chartData.length - 1);
}
</script>
</head>
<body>
<div id="chartdiv" style="width:100%; height:400px;"></div>
</body>
</html>
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