[GitHub] [incubator-echarts] bulengjianghu opened a new issue #11444: There is a strange phenomenon when the number of legends in funnel chart is reduced to no need to turn pages

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

bulengjianghu opened a new issue #11444: There is a strange phenomenon when the number of legends in funnel chart is reduced to no need to turn pages
URL: https://github.com/apache/incubator-echarts/issues/11444
 
 
   There is a strange phenomenon when the number of legends in funnel chart is reduced to no need to turn pages.
   
   function test() {
      console.log('click');
      perform(8);
   }
   
   function testClear() {
      var dom = document.getElementById("container");
      echarts.dispose(dom);
      perform(8);
   }
   
   function perform(count) {
      var dom = document.getElementById("container");
      var myChart = echarts.init(dom);
      var app = {};
      var data = genData(count);
      var option = {
         title : {
            text: '同名数量统计',
            subtext: '纯属虚构',
            x:'center'
         },
         tooltip : {
            trigger: 'item',
            formatter: "{a} <br/>{b} : {c} ({d}%)"
         },
         legend: {
            type: 'scroll',
            orient: 'vertical',
            right: 10,
            y: 'center',
            bottom: 20,
            data: data.legendData,
   
            selected: data.selected
         },
         series : [
            {
               name: '姓名',
               type: 'pie',
               radius : '55%',
               center: ['40%', '50%'],
               data: data.seriesData,
               itemStyle: {
                  emphasis: {
                     shadowBlur: 10,
                     shadowOffsetX: 0,
                     shadowColor: 'rgba(0, 0, 0, 0.5)'
                  }
               }
            }
         ]
      };
      if (option && typeof option === "object") {
         myChart.setOption(option, true);
      }
   }
   
   function genData(count) {
      var nameList = [
         '赵', '钱', '孙', '李', '周', '吴', '郑', '王', '冯', '陈', '褚', '卫', '蒋', '沈', '韩', '杨', '朱', '秦', '尤', '许', '何', '吕', '施', '张', '孔', '曹', '严', '华', '金', '魏', '陶', '姜', '戚', '谢', '邹', '喻', '柏', '水', '窦', '章', '云', '苏', '潘', '葛', '奚', '范', '彭', '郎', '鲁', '韦', '昌', '马', '苗', '凤', '花', '方', '俞', '任', '袁', '柳', '酆', '鲍', '史', '唐', '费', '廉', '岑', '薛', '雷', '贺', '倪', '汤', '滕', '殷', '罗', '毕', '郝', '邬', '安', '常', '乐', '于', '时', '傅', '皮', '卞', '齐', '康', '伍', '余', '元', '卜', '顾', '孟', '平', '黄', '和', '穆', '萧', '尹', '姚', '邵', '湛', '汪', '祁', '毛', '禹', '狄', '米', '贝', '明', '臧', '计', '伏', '成', '戴', '谈', '宋', '茅', '庞', '熊', '纪', '舒', '屈', '项', '祝', '董', '梁', '杜', '阮', '蓝', '闵', '席', '季', '麻', '强', '贾', '路', '娄', '危'
      ];
      var legendData = [];
      var seriesData = [];
      var selected = {};
      for (var i = 0; i < count; i++) {
         name = Math.random() > 0.65
            ? makeWord(4, 1) + '·' + makeWord(3, 0)
            : makeWord(2, 1);
         legendData.push(name);
         seriesData.push({
            name: name,
            value: Math.round(Math.random() * 100000)
         });
         selected[name] = i < 6;
      }
   
      return {
         legendData: legendData,
         seriesData: seriesData,
         selected: selected
      };
   
      function makeWord(max, min) {
         var nameLen = Math.ceil(Math.random() * max + min);
         var name = [];
         for (var i = 0; i < nameLen; i++) {
            name.push(nameList[Math.round(Math.random() * nameList.length - 1)]);
         }
         return name.join('');
      }
   };
   
   perform(20);
   

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