JavaScript Charts: Clustered bar chart
<script type="text/javascript">
var chart;
var chartData = [{
year: 2005,
income: 23.5,
expenses: 18.1
}, {
year: 2006,
income: 26.2,
expenses: 22.8
}, {
year: 2007,
income: 30.1,
expenses: 23.9
}, {
year: 2008,
income: 29.5,
expenses: 25.1
}, {
year: 2009,
income: 24.6,
expenses: 25.0
}];
AmCharts.ready(function () {
// SERIAL CHART
chart = new AmCharts.AmSerialChart();
chart.dataProvider = chartData;
chart.categoryField = "year";
chart.startDuration = 1;
chart.plotAreaBorderColor = "#DADADA";
chart.plotAreaBorderAlpha = 1;
chart.marginBottom = 10;
// this single line makes the chart a bar chart
chart.rotate = true;
// AXES
// Category
var categoryAxis = chart.categoryAxis;
categoryAxis.gridPosition = "start";
categoryAxis.gridAlpha = 0.1;
categoryAxis.axisAlpha = 0;
// Value
var valueAxis = new AmCharts.ValueAxis();
valueAxis.axisAlpha = 0;
valueAxis.gridAlpha = 0.1;
valueAxis.position = "top";
valueAxis.tickLength = 0;
chart.addValueAxis(valueAxis);
// GRAPHS
// first graph
var graph1 = new AmCharts.AmGraph();
graph1.type = "column";
graph1.title = "Income";
graph1.valueField = "income";
graph1.balloonText = "Income:[[value]]";
graph1.lineAlpha = 0;
graph1.fillColors = "#ADD981";
graph1.fillAlphas = 1;
chart.addGraph(graph1);
// second graph
var graph2 = new AmCharts.AmGraph();
graph2.type = "column";
graph2.title = "Expenses";
graph2.valueField = "expenses";
graph2.balloonText = "Expenses:[[value]]";
graph2.lineAlpha = 0;
graph2.fillColors = "#81acd9";
graph2.fillAlphas = 1;
chart.addGraph(graph2);
// LEGEND
var legend = new AmCharts.AmLegend();
chart.addLegend(legend);
// WRITE
chart.write("chartdiv");
});
</script>
<div id="chartdiv" style="width: 100%; height: 400px;"></div>
 Clustered bar chart |
