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samples/lineWithMultipleValueAxes.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 () {
// generate some random data first
generateChartData();
// SERIAL CHART
chart = new AmCharts.AmSerialChart();
chart.pathToImages = "../amcharts/images/";
chart.dataProvider = chartData;
chart.categoryField = "date";
// listen for "dataUpdated" event (fired when chart is inited) 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.minorGridEnabled = true;
categoryAxis.axisColor = "#DADADA";
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'
}];
// first value axis (on the left)
var valueAxis1 = new AmCharts.ValueAxis();
valueAxis1.axisColor = "#FF6600";
valueAxis1.axisThickness = 2;
valueAxis1.gridAlpha = 0;
chart.addValueAxis(valueAxis1);
// second value axis (on the right)
var valueAxis2 = new AmCharts.ValueAxis();
valueAxis2.position = "right"; // this line makes the axis to appear on the right
valueAxis2.axisColor = "#FCD202";
valueAxis2.gridAlpha = 0;
valueAxis2.axisThickness = 2;
chart.addValueAxis(valueAxis2);
// third value axis (on the left, detached)
valueAxis3 = new AmCharts.ValueAxis();
valueAxis3.offset = 50; // this line makes the axis to appear detached from plot area
valueAxis3.gridAlpha = 0;
valueAxis3.axisColor = "#B0DE09";
valueAxis3.axisThickness = 2;
chart.addValueAxis(valueAxis3);
// GRAPHS
// first graph
var graph1 = new AmCharts.AmGraph();
graph1.valueAxis = valueAxis1; // we have to indicate which value axis should be used
graph1.title = "red line";
graph1.valueField = "visits";
graph1.bullet = "round";
graph1.hideBulletsCount = 30;
graph1.bulletBorderThickness = 1;
chart.addGraph(graph1);
// second graph
var graph2 = new AmCharts.AmGraph();
graph2.valueAxis = valueAxis2; // we have to indicate which value axis should be used
graph2.title = "yellow line";
graph2.valueField = "hits";
graph2.bullet = "square";
graph2.hideBulletsCount = 30;
graph2.bulletBorderThickness = 1;
chart.addGraph(graph2);
// third graph
var graph3 = new AmCharts.AmGraph();
graph3.valueAxis = valueAxis3; // we have to indicate which value axis should be used
graph3.valueField = "views";
graph3.title = "green line";
graph3.bullet = "triangleUp";
graph3.hideBulletsCount = 30;
graph3.bulletBorderThickness = 1;
chart.addGraph(graph3);
// CURSOR
var chartCursor = new AmCharts.ChartCursor();
chartCursor.cursorAlpha = 0.1;
chartCursor.fullWidth = true;
chart.addChartCursor(chartCursor);
// SCROLLBAR
var chartScrollbar = new AmCharts.ChartScrollbar();
chart.addChartScrollbar(chartScrollbar);
// LEGEND
var legend = new AmCharts.AmLegend();
legend.marginLeft = 110;
legend.useGraphSettings = true;
chart.addLegend(legend);
// WRITE
chart.write("chartdiv");
});
// generate some random data, quite different range
function generateChartData() {
var firstDate = new Date();
firstDate.setDate(firstDate.getDate() - 50);
for (var i = 0; i < 50; 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) + 100;
var hits = Math.round(Math.random() * 80) + 500;
var views = Math.round(Math.random() * 6000);
chartData.push({
date: newDate,
visits: visits,
hits: hits,
views: views
});
}
}
// 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(10, 20);
}
</script>
</head>
<body>
<div id="chartdiv" style="width: 100%; height: 400px;"></div>
</body>
</html>
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