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samples/lineWithDateBasedData.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 = [];
var chartCursor;
AmCharts.ready(function () {
// generate some data first
generateChartData();
// SERIAL CHART
chart = new AmCharts.AmSerialChart();
chart.pathToImages = "../amcharts/images/";
chart.dataProvider = chartData;
chart.categoryField = "date";
chart.balloon.bulletSize = 5;
// listen for "dataUpdated" event (fired when chart is rendered) and call zoomChart method when it happens
chart.addListener("dataUpdated", zoomChart);
// AXES
// category
var categoryAxis = chart.categoryAxis;
categoryAxis.parseDates = true; // as our data is date-based, we set parseDates to true
categoryAxis.minPeriod = "DD"; // our data is daily, so we set minPeriod to DD
categoryAxis.dashLength = 1;
categoryAxis.minorGridEnabled = true;
categoryAxis.twoLineMode = true;
categoryAxis.dateFormats = [{
period: 'fff',
format: 'JJ:NN:SS'
}, {
period: 'ss',
format: 'JJ:NN:SS'
}, {
period: 'mm',
format: 'JJ:NN'
}, {
period: 'hh',
format: 'JJ:NN'
}, {
period: 'DD',
format: 'DD'
}, {
period: 'WW',
format: 'DD'
}, {
period: 'MM',
format: 'MMM'
}, {
period: 'YYYY',
format: 'YYYY'
}];
categoryAxis.axisColor = "#DADADA";
// value
var valueAxis = new AmCharts.ValueAxis();
valueAxis.axisAlpha = 0;
valueAxis.dashLength = 1;
chart.addValueAxis(valueAxis);
// GRAPH
var graph = new AmCharts.AmGraph();
graph.title = "red line";
graph.valueField = "visits";
graph.bullet = "round";
graph.bulletBorderColor = "#FFFFFF";
graph.bulletBorderThickness = 2;
graph.bulletBorderAlpha = 1;
graph.lineThickness = 2;
graph.lineColor = "#5fb503";
graph.negativeLineColor = "#efcc26";
graph.hideBulletsCount = 50; // this makes the chart to hide bullets when there are more than 50 series in selection
chart.addGraph(graph);
// CURSOR
chartCursor = new AmCharts.ChartCursor();
chartCursor.cursorPosition = "mouse";
chartCursor.pan = true; // set it to fals if you want the cursor to work in "select" mode
chart.addChartCursor(chartCursor);
// SCROLLBAR
var chartScrollbar = new AmCharts.ChartScrollbar();
chart.addChartScrollbar(chartScrollbar);
chart.creditsPosition = "bottom-right";
// WRITE
chart.write("chartdiv");
});
// generate some random data, quite different range
function generateChartData() {
var firstDate = new Date();
firstDate.setDate(firstDate.getDate() - 500);
for (var i = 0; i < 500; i++) {
// we create date objects here. In your data, you can have date strings
// and then set format of your dates using chart.dataDateFormat property,
// however when possible, use date objects, as this will speed up chart rendering.
var newDate = new Date(firstDate);
newDate.setDate(newDate.getDate() + i);
var visits = Math.round(Math.random() * 40) - 20;
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);
}
// changes cursor mode from pan to select
function setPanSelect() {
if (document.getElementById("rb1").checked) {
chartCursor.pan = false;
chartCursor.zoomable = true;
} else {
chartCursor.pan = true;
}
chart.validateNow();
}
</script>
</head>
<body>
<div id="chartdiv" style="width: 100%; height: 400px;"></div>
<div style="margin-left:35px;">
<input type="radio" name="group" id="rb1" onclick="setPanSelect()">Select
<input type="radio" checked="true" name="group" id="rb2" onclick="setPanSelect()">Pan
</div>
</body>
</html>
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