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samples/lineWithChangingColor.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">
// since v3, chart can accept data in JSON format
// if your category axis parses dates, you should only
// set date format of your data (dataDateFormat property of AmSerialChart)
var chartData = [
{
"lineColor": "#ffc321",
"date": "2012-01-01",
"duration": 408
},
{
"date": "2012-01-02",
"duration": 482
},
{
"date": "2012-01-03",
"duration": 562
},
{
"date": "2012-01-04",
"duration": 379
},
{
"lineColor": "#fd813c",
"date": "2012-01-05",
"duration": 501
},
{
"date": "2012-01-06",
"duration": 443
},
{
"date": "2012-01-07",
"duration": 405
},
{
"date": "2012-01-08",
"duration": 309,
"lineColor": "#CC0000"
},
{
"date": "2012-01-09",
"duration": 287
},
{
"date": "2012-01-10",
"duration": 485
},
{
"date": "2012-01-11",
"duration": 890
},
{
"date": "2012-01-12",
"duration": 810
}
];
var chart;
AmCharts.ready(function () {
// SERIAL CHART
chart = new AmCharts.AmSerialChart();
chart.dataProvider = chartData;
chart.pathToImages = "../amcharts/images/";
chart.categoryField = "date";
chart.dataDateFormat = "YYYY-MM-DD";
var balloon = chart.balloon;
balloon.cornerRadius = 6;
balloon.adjustBorderColor = false;
balloon.horizontalPadding = 10;
balloon.verticalPadding = 10;
// AXES
// category axis
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.autoGridCount = false;
categoryAxis.gridCount = 50;
categoryAxis.gridAlpha = 0;
categoryAxis.gridColor = "#000000";
categoryAxis.axisColor = "#555555";
// we want custom date formatting, so we change it in next line
categoryAxis.dateFormats = [{
period: 'DD',
format: 'DD'
}, {
period: 'WW',
format: 'MMM DD'
}, {
period: 'MM',
format: 'MMM'
}, {
period: 'YYYY',
format: 'YYYY'
}];
// as we have data of different units, we create two different value axes
// Duration value axis
var durationAxis = new AmCharts.ValueAxis();
durationAxis.gridAlpha = 0.05;
durationAxis.axisAlpha = 0;
// the following line makes this value axis to convert values to duration
// it tells the axis what duration unit it should use. mm - minute, hh - hour...
durationAxis.duration = "mm";
durationAxis.durationUnits = {
DD: "d. ",
hh: "h ",
mm: "min",
ss: ""
};
chart.addValueAxis(durationAxis);
// GRAPHS
// duration graph
var durationGraph = new AmCharts.AmGraph();
durationGraph.title = "duration";
durationGraph.valueField = "duration";
durationGraph.type = "line";
durationGraph.valueAxis = durationAxis; // indicate which axis should be used
durationGraph.lineColorField = "lineColor";
durationGraph.fillColorsField = "lineColor";
durationGraph.fillAlphas = 0.3;
durationGraph.balloonText = "[[value]]";
durationGraph.lineThickness = 1;
durationGraph.legendValueText = "[[value]]";
durationGraph.bullet = "square";
durationGraph.bulletBorderThickness = 1;
durationGraph.bulletBorderAlpha = 1;
chart.addGraph(durationGraph);
// CURSOR
var chartCursor = new AmCharts.ChartCursor();
chartCursor.zoomable = false;
chartCursor.categoryBalloonDateFormat = "YYYY MMM DD";
chartCursor.cursorAlpha = 0;
chart.addChartCursor(chartCursor);
var chartScrollbar = new AmCharts.ChartScrollbar();
chart.addChartScrollbar(chartScrollbar);
// WRITE
chart.write("chartdiv");
});
</script>
</head>
<body>
<div id="chartdiv" style="width:100%; height:400px;"></div>
</body>
</html>
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