我正在尝试使用chart.js键入'scatter'来显示堆叠的线条 . 不幸的是,选项“stacked:true”似乎不适用于此 .

请检查以下示例(或此this fiddle) .

var ctx = $('#myChart');

var chart = new Chart (ctx,{
	type:  'scatter',
  	data: {
      datasets: [{
        label: 'Line 1',
        fillColor: 'rgb(200,200,200)',
        strokeColor: 'rgb(0,0,0)',
        data: [{
          x: 2020,
          y: 20000
        },{
          x: 2030,
          y: 30000
        },{
          x: 2040,
          y: 40000
        }]
      },{
        label: 'Linie 2',
        fillColor: 'rgb(200,200,200)',
        strokeColor: 'rgb(0,0,0)',
        data: [{
          x: 2020,
          y: 5000
        },{
          x: 2030,
          y: 10000
        },{
          x: 2040,
          y: 15000
        }]
      }]
    }, 
  options: {
    elements: {
      line: {
        tension: 0.000001
      }
    },
    showLines: true,
    scales: {
      yAxes: [{
        stacked: true
      }]
    },
    legend: {
      position: 'bottom'
    }
  }
});
<script src="https://cdnjs.cloudflare.com/ajax/libs/Chart.js/2.7.2/Chart.min.js"></script>
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<html>
<head>
</head>
<body>
<canvas id="myChart"></canvas>

</body>
</html>

Chart.js Documentation says "The scatter chart supports all of the same properties as the line chart.",对于折线图,有一个"stacked"选项(参见here) . 另外,这个在GitHub上报道的issue似乎也证明,散点图有一个"stacked"选项 .

知道我做错了什么吗?