Docs > JSON > Graph Objects > Plot > monotone

<!DOCTYPE html>
<html>

<head>
  <meta charset="utf-8">
  <title>ZingSoft Demo</title>

  <script nonce="undefined" src="https://cdn.zingchart.com/zingchart.min.js"></script>
  <style></style>
</head>

<body>
  <div id='myChart'></div>
  <script>
    ZC.LICENSE = ["569d52cefae586f634c54f86dc99e6a9", "b55b025e438fa8a98e32482b5f768ff5"]; /*Sets whether monotone interpolation is used for charts using the "spline" aspect.  When monotone is set to true the curve of a spline chart is reduced.  This allows for more accuracy when ploting lines which are near 0.*/

    var myConfig = {
      type: "line",
      plot: {
        aspect: "spline",
        //monotone:true 
        //set monotone in series:[{},{}] to better show the difference between the true false values.
      },
      legend: {
        adjustLayout: true,
        align: "right",
        verticalAlign: "middle"
      },
      scaleY: {
        refLine: {
          lineColor: "red"
        }
      },
      series: [{
          values: [100, 0, 25, -1, 25, 0, 100],
          monotone: true,
          text: "monotone: true" //can also be set in plot:{} to apply to all lines in a chart
        },
        {
          values: [100, 0, 25, -1, 25, 0, 100],
          monotone: false,
          text: "monotone: false" //can also be set in plot:{} to apply to all lines in a chart
        }
      ]
    }

    zingchart.render({
      id: 'myChart',
      data: myConfig,
      height: 400,
      width: '100%'
    });
  </script>
</body>

</html>

<!DOCTYPE html>
<html>

<head>
  <meta charset="utf-8">
  <title>ZingSoft Demo</title>

  <script src="https://cdn.zingchart.com/zingchart.min.js"></script>
</head>

<body>
  <div id='myChart'></div>
</body>

</html>

/*Sets whether monotone interpolation is used for charts using the "spline" aspect.  When monotone is set to true the curve of a spline chart is reduced.  This allows for more accuracy when ploting lines which are near 0.*/

var myConfig = {
  type: "line",
  plot: {
    aspect: "spline",
    //monotone:true 
    //set monotone in series:[{},{}] to better show the difference between the true false values.
  },
  legend: {
    adjustLayout: true,
    align: "right",
    verticalAlign: "middle"
  },
  scaleY: {
    refLine: {
      lineColor: "red"
    }
  },
  series: [{
      values: [100, 0, 25, -1, 25, 0, 100],
      monotone: true,
      text: "monotone: true" //can also be set in plot:{} to apply to all lines in a chart
    },
    {
      values: [100, 0, 25, -1, 25, 0, 100],
      monotone: false,
      text: "monotone: false" //can also be set in plot:{} to apply to all lines in a chart
    }
  ]
}

zingchart.render({
  id: 'myChart',
  data: myConfig,
  height: 400,
  width: '100%'
});