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samples/lineWithTrendLines.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 = [
{
"date": "2012-01-01",
"value": 8
},
{
"date": "2012-01-01",
"value": 8
},
{
"date": "2012-01-02",
"value": 10
},
{
"date": "2012-01-03",
"value": 12
},
{
"date": "2012-01-04",
"value": 14
},
{
"date": "2012-01-05",
"value": 11
},
{
"date": "2012-01-06",
"value": 6
},
{
"date": "2012-01-07",
"value": 7
},
{
"date": "2012-01-08",
"value": 9
},
{
"date": "2012-01-09",
"value": 13
},
{
"date": "2012-01-10",
"value": 15
},
{
"date": "2012-01-11",
"value": 19
},
{
"date": "2012-01-12",
"value": 21
},
{
"date": "2012-01-13",
"value": 22
},
{
"date": "2012-01-14",
"value": 20
},
{
"date": "2012-01-15",
"value": 18
},
{
"date": "2012-01-16",
"value": 14
},
{
"date": "2012-01-17",
"value": 16
},
{
"date": "2012-01-18",
"value": 18
},
{
"date": "2012-01-19",
"value": 17
},
{
"date": "2012-01-20",
"value": 15
},
{
"date": "2012-01-21",
"value": 12
},
{
"date": "2012-01-22",
"value": 10
},
{
"date": "2012-01-23",
"value": 8
}
];
AmCharts.ready(function () {
// SERIAL CHART
chart = new AmCharts.AmSerialChart();
chart.pathToImages = "../amcharts/images/";
chart.dataProvider = chartData;
chart.dataDateFormat = "YYYY-MM-DD";
chart.categoryField = "date";
// 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.gridAlpha = 0.1;
categoryAxis.minorGridAlpha = 0.1;
categoryAxis.axisAlpha = 0;
categoryAxis.minorGridEnabled = true;
categoryAxis.inside = true;
// value
var valueAxis = new AmCharts.ValueAxis();
valueAxis.tickLength = 0;
valueAxis.axisAlpha = 0;
valueAxis.showFirstLabel = false;
valueAxis.showLastLabel = false;
chart.addValueAxis(valueAxis);
// GRAPH
var graph = new AmCharts.AmGraph();
graph.dashLength = 3;
graph.lineColor = "#00CC00";
graph.valueField = "value";
graph.dashLength = 3;
graph.bullet = "round";
graph.balloonText = "[[category]]<br><b><span style='font-size:14px;'>value:[[value]]</span></b>";
chart.addGraph(graph);
// CURSOR
var chartCursor = new AmCharts.ChartCursor();
chart.addChartCursor(chartCursor);
// SCROLLBAR
var chartScrollbar = new AmCharts.ChartScrollbar();
chart.addChartScrollbar(chartScrollbar);
// HORIZONTAL GREEN RANGE
var guide = new AmCharts.Guide();
guide.value = 10;
guide.toValue = 20;
guide.fillColor = "#00CC00";
guide.inside = true;
guide.fillAlpha = 0.2;
guide.lineAlpha = 0;
valueAxis.addGuide(guide);
// TREND LINES
// first trend line
var trendLine = new AmCharts.TrendLine();
// note,when creating date objects 0 month is January, as months are zero based in JavaScript.
trendLine.initialDate = new Date(2012, 0, 2, 12); // 12 is hour - to start trend line in the middle of the day
trendLine.finalDate = new Date(2012, 0, 11, 12);
trendLine.initialValue = 10;
trendLine.finalValue = 19;
trendLine.lineColor = "#CC0000";
chart.addTrendLine(trendLine);
// second trend line
trendLine = new AmCharts.TrendLine();
trendLine.initialDate = new Date(2012, 0, 17, 12);
trendLine.finalDate = new Date(2012, 0, 22, 12);
trendLine.initialValue = 16;
trendLine.finalValue = 10;
trendLine.lineColor = "#CC0000";
chart.addTrendLine(trendLine);
// WRITE
chart.write("chartdiv");
});
</script>
</head>
<body>
<div id="chartdiv" style="width: 100%; height: 400px;"></div>
</body>
</html>
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