Serpentine Stepline chart

This demo uses amCharts 4 <a href="http://www.amcharts.com/timeline-chart/">TimeLine</a> add-on. [amb href="https://www.amcharts.com/docs/v4/chart-types/timeline/"]Add-on docs[/amb]

by navinleon

HTML

<script src="https://www.amcharts.com/lib/4/core.js"></script>
<script src="https://www.amcharts.com/lib/4/charts.js"></script>
<script src="https://www.amcharts.com/lib/4/plugins/timeline.js"></script>
<script src="https://www.amcharts.com/lib/4/themes/animated.js"></script>
<div id="chartdiv"></div>

CSS

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol";
}

#chartdiv {
  width: 100%;
  height: 600px;
}

JavaScript

/**
 * ---------------------------------------
 * This demo was created using amCharts 4.
 * 
 * For more information visit:
 * https://www.amcharts.com/
 * 
 * Documentation is available at:
 * https://www.amcharts.com/docs/v4/
 * ---------------------------------------
 */

// Themes begin
am4core.useTheme(am4themes_animated);
// Themes end




var chart = am4core.create("chartdiv", am4plugins_timeline.SerpentineChart);
chart.levelCount = 4;

chart.curveContainer.padding(50,20,50,20);

var data = [];
var visits = 100;
for (var i = 0; i < 24; i++) {
  visits += Math.round((Math.random() < 0.5 ? 1 : -1) * Math.random() * 10);
  data.push({ date: new Date(2018, 0, 1, i), value: 9 });
}

chart.data = data;

var dateAxis = chart.xAxes.push(new am4charts.DateAxis());
dateAxis.renderer.grid.template.location = 0;

dateAxis.renderer.line.disabled = true;
dateAxis.cursorTooltipEnabled = false;
dateAxis.minZoomCount = 5;

var valueAxis = chart.yAxes.push(new am4charts.ValueAxis());
valueAxis.tooltip.disabled = true;
valueAxis.renderer.innerRadius = -50;
valueAxis.renderer.radius = 50;
chart.seriesContainer.zIndex = -1;

var series = chart.series.push(new am4plugins_timeline.CurveStepLineSeries());
series.fillOpacity = 0.3;
series.dataFields.dateX = "date";
series.dataFields.valueY = "value";
series.tooltipText = "{valueY}";
series.tooltip.pointerOrientation = "vertical";
series.tooltip.background.fillOpacity = 0.7;
series.fill = chart.colors.getIndex(3);
series.strokeWidth = 5;

chart.cursor = new am4plugins_timeline.CurveCursor();
chart.cursor.xAxis = dateAxis;
chart.cursor.yAxis = valueAxis;
chart.cursor.lineY.disabled = true;

chart.scrollbarX = new am4core.Scrollbar();
chart.scrollbarX.width = am4core.percent(80);
chart.scrollbarX.align = "center";