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samples/lineWithLogarithmicValueAxis.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": "2012-03-01",
"price": 20
},
{
"date": "2012-03-02",
"price": 75
},
{
"date": "2012-03-03",
"price": 15
},
{
"date": "2012-03-04",
"price": 75
},
{
"date": "2012-03-05",
"price": 158
},
{
"date": "2012-03-06",
"price": 57
},
{
"date": "2012-03-07",
"price": 107
},
{
"date": "2012-03-08",
"price": 89
},
{
"date": "2012-03-09",
"price": 75
},
{
"date": "2012-03-10",
"price": 132
},
{
"date": "2012-03-11",
"price": 158
},
{
"date": "2012-03-12",
"price": 56
},
{
"date": "2012-03-13",
"price": 169
},
{
"date": "2012-03-14",
"price": 24
},
{
"date": "2012-03-15",
"price": 147
}
];
var average = 90.4;
AmCharts.ready(function () {
// SERIAL CHART
chart = new AmCharts.AmSerialChart();
chart.pathToImages = "../amcharts/images/";
chart.dataProvider = chartData;
chart.categoryField = "date";
chart.dataDateFormat = "YYYY-MM-DD";
// 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.gridAlpha = 0.15;
categoryAxis.axisColor = "#DADADA";
// value
var valueAxis = new AmCharts.ValueAxis();
valueAxis.axisColor = "#DADADA";
valueAxis.dashLength = 1;
valueAxis.logarithmic = true; // this line makes axis logarithmic
chart.addValueAxis(valueAxis);
// GUIDE for average
var guide = new AmCharts.Guide();
guide.value = average;
guide.lineColor = "#CC0000";
guide.dashLength = 4;
guide.label = "average";
guide.inside = true;
guide.lineAlpha = 1;
valueAxis.addGuide(guide);
// GRAPH
var graph = new AmCharts.AmGraph();
graph.type = "smoothedLine";
graph.bullet = "round";
graph.bulletColor = "#FFFFFF";
graph.useLineColorForBulletBorder = true;
graph.bulletBorderAlpha = 1;
graph.bulletBorderThickness = 2;
graph.bulletSize = 7;
graph.title = "Price";
graph.valueField = "price";
graph.lineThickness = 2;
graph.lineColor = "#00BBCC";
chart.addGraph(graph);
// CURSOR
var chartCursor = new AmCharts.ChartCursor();
chartCursor.cursorPosition = "mouse";
chart.addChartCursor(chartCursor);
// SCROLLBAR
var chartScrollbar = new AmCharts.ChartScrollbar();
chartScrollbar.graph = graph;
chartScrollbar.scrollbarHeight = 30;
chart.addChartScrollbar(chartScrollbar);
chart.creditsPosition = "bottom-right";
// WRITE
chart.write("chartdiv");
});
</script>
</head>
<body>
<div id="chartdiv" style="width: 100%; height: 400px;"></div>
</body>
</html>
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