JavaScript Charts: Line chart with reversed value axis
<script type="text/javascript">
var chart;
var chartData = [{
year: 1930,
italy: 1,
germany: 5,
uk: 3
}, {
year: 1934,
italy: 1,
germany: 2,
uk: 6
}, {
year: 1938,
italy: 2,
germany: 3,
uk: 1
}, {
year: 1950,
italy: 3,
germany: 4,
uk: 1
}, {
year: 1954,
italy: 5,
germany: 1,
uk: 2
}, {
year: 1958,
italy: 3,
germany: 2,
uk: 1
}, {
year: 1962,
italy: 1,
germany: 2,
uk: 3
}, {
year: 1966,
italy: 2,
germany: 1,
uk: 5
}, {
year: 1970,
italy: 3,
germany: 5,
uk: 2
}, {
year: 1974,
italy: 4,
germany: 3,
uk: 6
}, {
year: 1978,
italy: 1,
germany: 2,
uk: 4
}];
AmCharts.ready(function () {
// SERIAL CHART
chart = new AmCharts.AmSerialChart();
chart.dataProvider = chartData;
chart.categoryField = "year";
chart.startDuration = 0.5;
chart.balloon.color = "#000000";
// AXES
// category
var categoryAxis = chart.categoryAxis;
categoryAxis.fillAlpha = 1;
categoryAxis.fillColor = "#FAFAFA";
categoryAxis.gridAlpha = 0;
categoryAxis.axisAlpha = 0;
categoryAxis.gridPosition = "start";
categoryAxis.position = "top";
// value
var valueAxis = new AmCharts.ValueAxis();
valueAxis.title = "Place taken";
valueAxis.dashLength = 5;
valueAxis.axisAlpha = 0;
valueAxis.minimum = 1;
valueAxis.maximum = 6;
valueAxis.integersOnly = true;
valueAxis.gridCount = 10;
valueAxis.reversed = true; // this line makes the value axis reversed
chart.addValueAxis(valueAxis);
// GRAPHS
// Italy graph
var graph = new AmCharts.AmGraph();
graph.title = "Italy";
graph.valueField = "italy";
graph.hidden = true; // this line makes the graph initially hidden
graph.balloonText = "place taken by Italy in [[category]]: [[value]]";
graph.lineAlpha = 1;
graph.bullet = "round";
chart.addGraph(graph);
// Germany graph
var graph = new AmCharts.AmGraph();
graph.title = "Germany";
graph.valueField = "germany";
graph.balloonText = "place taken by Germany in [[category]]: [[value]]";
graph.bullet = "round";
chart.addGraph(graph);
// United Kingdom graph
var graph = new AmCharts.AmGraph();
graph.title = "United Kingdom";
graph.valueField = "uk";
graph.balloonText = "place taken by UK in [[category]]: [[value]]";
graph.bullet = "round";
chart.addGraph(graph);
// LEGEND
var legend = new AmCharts.AmLegend();
legend.markerType = "circle";
chart.addLegend(legend);
// WRITE
chart.write("chartdiv");
});
</script>
<div id="chartdiv" style="width: 100%; height: 400px;"></div>
 Line chart with reversed value axis |
