[GitHub] sxmpasch commented on issue #9283: Set tooltip relative to position of data in chart

[GitBox <gi...@apache.org>]

sxmpasch commented on issue #9283: Set tooltip relative to position of data in chart
URL: https://github.com/apache/incubator-echarts/issues/9283#issuecomment-433357224
 
 
   Yes, but you use an emphasis label for a series. Example (modified from https://ecomfe.github.io/echarts-examples/public/editor.html?c=dynamic-data2):
   
   ```
   function randomData(aa,x) {
       now = new Date(+now + oneDay);
       value[aa] = value[aa] + Math.random() * 21 - 10 - (aa*Math.random()*3);
       return {
           name: now.toString(),
           value: [
               [x].join('/'),
               Math.round(value[aa])
           ]
       }
   }
   
   var data = [], data2=[];
   var now = +new Date(1997, 9, 3);
   var oneDay = 24 * 3600 * 1000;
   var value = [Math.random() * 1000,Math.random() * 1600];
   for (var i = 0; i < 1000; i++) {
       data.push(randomData(0,i));
       data2.push(randomData(1,i));
   }
   
   option = {
       title: {
           text: '动态数据 + 时间坐标轴'
       },
           tooltip: {
               trigger: 'axis',
               showContent: false,
               axisPointer: {
                   type: 'cross',
                   animation: false,
                   label: {
                       show:false
                   },
               },
           },
       xAxis: {
           type: 'value',
           splitLine: {
               show: false
           },
           axisPointer: {
               show:true,
           }
       },
       yAxis: {
           type: 'value',
           boundaryGap: [0, '100%'],
           splitLine: {
               show: false
           }
       },
       series: [{
           name: 'S12',
           type: 'line',
           showSymbol: false,
           emphasis: {
               label: {
                   show:true,
                   position:'right',
                   fontSize:24,
               }
           },
           data: data
       },
       {
           name: 'S2',
           type: 'line',
           showSymbol: false,
           emphasis: {
               label: {
                   show:true,
                   position:'right',
                   fontSize:24,
               }
           },
           data: data2
       }    
       ]
   };
   
   ```
   

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