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mileslatitude: ()duration:Jan 17, 2012391
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Duration on Value Axis
This demo showcases several powerful concepts. Let’s take a look.

Duration axis
There’s a special type of axis that can reformat the values into any kind of “duration”. The units and formats are fully configurable.

More info about Duration axis

Binding properties of chart elements to data
Size of the bullets on the “Latitude” series is bound to a data, using its “template fields”. This is a very powerful concept, which allows binding any setting of any object to a value in data.

In this case we bind radius of the circle bullet to the townSize field in data.

More info about template fields

Demo source
JavaScript
TypeScript / ES6
...
<!-- 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() {

var data = [{
  "date": "2012-01-01",
  "distance": 227,
  "townName": "New York",
  "townSize": 12,
  "latitude": 40.71,
  "duration": 408
}, {
  "date": "2012-01-02",
  "distance": 371,
  "townName": "Washington",
  "townSize": 7,
  "latitude": 38.89,
  "duration": 482
}, {
  "date": "2012-01-03",
  "distance": 433,
  "townName": "Wilmington",
  "townSize": 3,
  "latitude": 34.22,
  "duration": 562
}, {
  "date": "2012-01-04",
  "distance": 345,
  "townName": "Jacksonville",
  "townSize": 3.5,
  "latitude": 30.35,
  "duration": 379
}, {
  "date": "2012-01-05",
  "distance": 480,
  "townName": "Miami",
  "townSize": 5,
  "latitude": 25.83,
  "duration": 501
}, {
  "date": "2012-01-06",
  "distance": 386,
  "townName": "Tallahassee",
  "townSize": 3.5,
  "latitude": 30.46,
  "duration": 443
}, {
  "date": "2012-01-07",
  "distance": 348,
  "townName": "New Orleans",
  "townSize": 5,
  "latitude": 29.94,
  "duration": 405
}, {
  "date": "2012-01-08",
  "distance": 238,
  "townName": "Houston",
  "townSize": 8,
  "latitude": 29.76,
  "duration": 309
}, {
  "date": "2012-01-09",
  "distance": 218,
  "townName": "Dalas",
  "townSize": 8,
  "latitude": 32.8,
  "duration": 287
}, {
  "date": "2012-01-10",
  "distance": 349,
  "townName": "Oklahoma City",
  "townSize": 5,
  "latitude": 35.49,
  "duration": 485
}, {
  "date": "2012-01-11",
  "distance": 603,
  "townName": "Kansas City",
  "townSize": 5,
  "latitude": 39.1,
  "duration": 890
}, {
  "date": "2012-01-12",
  "distance": 534,
  "townName": "Denver",
  "townSize": 9,
  "latitude": 39.74,
  "duration": 810
}, {
  "date": "2012-01-13",
  "townName": "Salt Lake City",
  "townSize": 6,
  "distance": 425,
  "duration": 670,
  "latitude": 40.75,
  "dashLength": 8,
  "alpha": 0.4
}, {
  "date": "2012-01-14",
  "latitude": 36.1,
  "duration": 470,
  "townName": "Las Vegas"
}, {
  "date": "2012-01-15"
}, {
  "date": "2012-01-16"
}, {
  "date": "2012-01-17"
}];

// 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,
  wheelY: "none"
}));

chart.zoomOutButton.set("forceHidden", true);

chart.get("colors").set("step", 2);

// Create axes
// https://www.amcharts.com/docs/v5/charts/xy-chart/axes/
var xAxis = chart.xAxes.push(am5xy.DateAxis.new(root, {
  baseInterval: { timeUnit: "day", count: 1 },
  renderer: am5xy.AxisRendererX.new(root, { minGridDistance: 50 }),
  tooltip: am5.Tooltip.new(root, {})
}));


var distanceAxisRenderer = am5xy.AxisRendererY.new(root, {});
distanceAxisRenderer.grid.template.set("forceHidden", true);
var distanceAxis = chart.yAxes.push(am5xy.ValueAxis.new(root, {
  renderer: distanceAxisRenderer,
  tooltip: am5.Tooltip.new(root, {})
}));

var latitudeAxisRenderer = am5xy.AxisRendererY.new(root, {});
latitudeAxisRenderer.grid.template.set("forceHidden", true);
var latitudeAxis = chart.yAxes.push(am5xy.ValueAxis.new(root, {
  renderer: latitudeAxisRenderer,
  forceHidden: true
}));

var durationAxisRenderer = am5xy.AxisRendererY.new(root, {
  opposite: true
});
durationAxisRenderer.grid.template.set("forceHidden", true);
var durationAxis = chart.yAxes.push(am5xy.DurationAxis.new(root, {
  baseUnit:"minute",
  renderer: durationAxisRenderer,
  extraMax:0.3
}));

// Create series
// https://www.amcharts.com/docs/v5/charts/xy-chart/series/
var distanceSeries = chart.series.push(am5xy.ColumnSeries.new(root, {
  xAxis: xAxis,
  yAxis: distanceAxis,
  valueYField: "distance",
  valueXField: "date",
  tooltip:am5.Tooltip.new(root, {
    labelText:"{valueY} miles"
  })
}));

distanceSeries.data.processor = am5.DataProcessor.new(root, {
  dateFields: ["date"],
  dateFormat: "yyyy-MM-dd"
});

var latitudeSeries = chart.series.push(am5xy.LineSeries.new(root, {
  xAxis: xAxis,
  yAxis: latitudeAxis,
  valueYField: "latitude",
  valueXField: "date",
  tooltip:am5.Tooltip.new(root, {
    labelText:"Tds Level: {valueY}"
  })  
}));

latitudeSeries.strokes.template.setAll({ strokeWidth: 2 });

// Add circle bullet
// https://www.amcharts.com/docs/v5/charts/xy-chart/series/#Bullets
latitudeSeries.bullets.push(function() {
  var graphics = am5.Circle.new(root, {
    strokeWidth: 2,
    radius: 5,
    stroke: latitudeSeries.get("stroke"),
    fill: root.interfaceColors.get("background"),
  });

  graphics.adapters.add("radius", function(radius, target) {
    return target.dataItem.dataContext.townSize;
  })

  return am5.Bullet.new(root, {
    sprite: graphics
  });
});

var durationSeries = chart.series.push(am5xy.LineSeries.new(root, {
  xAxis: xAxis,
  yAxis: durationAxis,
  valueYField: "duration",
  valueXField: "date",
  tooltip:am5.Tooltip.new(root, {
    labelText:"pH {valueY.formatDuration()}"
  }) 
}));

durationSeries.strokes.template.setAll({ strokeWidth: 2 });

// Add circle bullet
// https://www.amcharts.com/docs/v5/charts/xy-chart/series/#Bullets
durationSeries.bullets.push(function() {
  var graphics = am5.Rectangle.new(root, {
    width:10, 
    height:10,
    centerX:am5.p50,
    centerY:am5.p50,
    fill: durationSeries.get("stroke")
  });

  return am5.Bullet.new(root, {
    sprite: graphics
  });
});

// Add cursor
// https://www.amcharts.com/docs/v5/charts/xy-chart/cursor/
chart.set("cursor", am5xy.XYCursor.new(root, {
  xAxis: xAxis,
  yAxis: distanceAxis
}));


distanceSeries.data.setAll(data);
latitudeSeries.data.setAll(data);
durationSeries.data.setAll(data);
xAxis.data.setAll(data);

// Make stuff animate on load
// https://www.amcharts.com/docs/v5/concepts/animations/
distanceSeries.appear(1000);
chart.appear(1000, 100);

}); // end am5.ready()
</script>

<!-- HTML -->
<div id="chartdiv"></div>