Floating Bar Chart
Bars in a bar chart don’t have to start at zero. In cases when you need to specify a different starting value in amCharts 5, you set an openValueXField
on a ColumnSeries
Related tutorials
Demo source
<!-- Styles -->
<style>
#chartdiv {
width: 100%;
height: 500px;
}
</style>
<!-- Resources -->
<script src="https://cdn.amcharts.com/lib/5/index.js"></script>
<script src="https://cdn.amcharts.com/lib/5/xy.js"></script>
<script src="https://cdn.amcharts.com/lib/5/themes/Animated.js"></script>
<!-- Chart code -->
<script>
am5.ready(function() {
// Create root element
// https://www.amcharts.com/docs/v5/getting-started/#Root_element
var root = am5.Root.new("chartdiv");
// Set themes
// https://www.amcharts.com/docs/v5/concepts/themes/
root.setThemes([
am5themes_Animated.new(root)
]);
// Create chart
// https://www.amcharts.com/docs/v5/charts/xy-chart/
var chart = root.container.children.push(am5xy.XYChart.new(root, {
panX: false,
panY: false,
wheelX: "panX",
wheelY: "zoomX",
layout: root.verticalLayout,
paddingLeft:0
}));
// Add legend
// https://www.amcharts.com/docs/v5/charts/xy-chart/legend-xy-series/
var legend = chart.children.push(am5.Legend.new(root, {
centerX: am5.p50,
x: am5.p50
}))
var colors = chart.get("colors");
// Data
var data = [{
name: "John",
startTime: 8,
endTime: 11,
columnSettings: {
stroke: colors.getIndex(1),
fill: colors.getIndex(1)
}
}, {
name: "Joe",
startTime: 10,
endTime: 13,
columnSettings: {
stroke: colors.getIndex(3),
fill: colors.getIndex(3)
}
}, {
name: "Susan",
startTime: 11,
endTime: 18,
columnSettings: {
stroke: colors.getIndex(5),
fill: colors.getIndex(5)
}
}, {
name: "Eaton",
startTime: 15,
endTime: 19,
columnSettings: {
stroke: colors.getIndex(7),
fill: colors.getIndex(7)
}
}];
// Create axes
// https://www.amcharts.com/docs/v5/charts/xy-chart/axes/
var yRenderer = am5xy.AxisRendererY.new(root, {
minorGridEnabled: true
});
var yAxis = chart.yAxes.push(
am5xy.CategoryAxis.new(root, {
categoryField: "name",
renderer: yRenderer,
tooltip: am5.Tooltip.new(root, {})
})
);
yRenderer.grid.template.setAll({
location: 1
})
yAxis.data.setAll(data);
var xAxis = chart.xAxes.push(
am5xy.ValueAxis.new(root, {
renderer: am5xy.AxisRendererX.new(root, {
strokeOpacity: 0.1,
minGridDistance:60
})
})
);
// Add series
// https://www.amcharts.com/docs/v5/charts/xy-chart/series/
var series = chart.series.push(am5xy.ColumnSeries.new(root, {
name: "Income",
xAxis: xAxis,
yAxis: yAxis,
openValueXField: "startTime",
valueXField: "endTime",
categoryYField: "name",
sequencedInterpolation: true
}));
series.columns.template.setAll({
height: am5.percent(100),
templateField: "columnSettings",
tooltipText: "[bold]{name}[/]\n{categoryY}: {valueX}"
});
series.data.setAll(data);
// Make stuff animate on load
// https://www.amcharts.com/docs/v5/concepts/animations/
series.appear();
chart.appear(1000, 100);
}); // end am5.ready()
</script>
<!-- HTML -->
<div id="chartdiv"></div>