public/examples/ts/line-race.ts

/*
title: Line Race
category: line
titleCN: 动态排序折线图
difficulty: 5
videoStart: 3000
videoEnd: 8000
*/

$.get(
  ROOT_PATH + '/data/asset/data/life-expectancy-table.json',
  function (_rawData) {
    run(_rawData);
  }
);

function run(_rawData: any) {
  // var countries = ['Australia', 'Canada', 'China', 'Cuba', 'Finland', 'France', 'Germany', 'Iceland', 'India', 'Japan', 'North Korea', 'South Korea', 'New Zealand', 'Norway', 'Poland', 'Russia', 'Turkey', 'United Kingdom', 'United States'];
  const countries = [
    'Finland',
    'France',
    'Germany',
    'Iceland',
    'Norway',
    'Poland',
    'Russia',
    'United Kingdom'
  ];
  const datasetWithFilters: echarts.DatasetComponentOption[] = [];
  const seriesList: echarts.SeriesOption[] = [];
  echarts.util.each(countries, function (country) {
    var datasetId = 'dataset_' + country;
    datasetWithFilters.push({
      id: datasetId,
      fromDatasetId: 'dataset_raw',
      transform: {
        type: 'filter',
        config: {
          and: [
            { dimension: 'Year', gte: 1950 },
            { dimension: 'Country', '=': country }
          ]
        }
      }
    });
    seriesList.push({
      type: 'line',
      datasetId: datasetId,
      showSymbol: false,
      name: country,
      endLabel: {
        show: true,
        formatter: function (params: any) {
          return params.value[3] + ': ' + params.value[0];
        }
      },
      labelLayout: {
        moveOverlap: 'shiftY'
      },
      emphasis: {
        focus: 'series'
      },
      encode: {
        x: 'Year',
        y: 'Income',
        label: ['Country', 'Income'],
        itemName: 'Year',
        tooltip: ['Income']
      }
    });
  });

  option = {
    animationDuration: 10000,
    dataset: [
      {
        id: 'dataset_raw',
        source: _rawData
      },
      ...datasetWithFilters
    ],
    title: {
      text: 'Income of Germany and France since 1950'
    },
    tooltip: {
      order: 'valueDesc',
      trigger: 'axis'
    },
    xAxis: {
      type: 'category',
      nameLocation: 'middle'
    },
    yAxis: {
      name: 'Income'
    },
    grid: {
      right: 140
    },
    series: seriesList
  };

  myChart.setOption(option);
}

export {};