Cesium 结合Echarts绘制航线图

 

 

<template>
  <div id="cesiumContainer"></div>
</template>

<script>
export default {
  data() {
    return {};
  },

  components: {},

  computed: {},

  created() {},

  mounted() {
    TS.ready(() => {
      window.viewer = new Cesium.Viewer("cesiumContainer");
      let chartLayer = new TS.EchartsLayer();
      chartLayer.addTo(viewer);
      chartLayer.setOption(this.getOption());
    });
  },

  methods: {
    getOption(e) {
      var chinaGeoCoordMap = {
        黑龙江: [127.9688, 45.368],
        内蒙古: [110.3467, 41.4899],
        吉林: [125.8154, 44.2584],
        北京: [116.4551, 40.2539],
        辽宁: [123.1238, 42.1216],
        河北: [114.4995, 38.1006],
        天津: [117.4219, 39.4189],
        山西: [112.3352, 37.9413],
        陕西: [109.1162, 34.2004],
        甘肃: [103.5901, 36.3043],
        宁夏: [106.3586, 38.1775],
        青海: [101.4038, 36.8207],
        新疆: [87.9236, 43.5883],
        西藏: [91.11, 29.97],
        四川: [103.9526, 30.7617],
        重庆: [108.384366, 30.439702],
        山东: [117.1582, 36.8701],
        河南: [113.4668, 34.6234],
        江苏: [118.8062, 31.9208],
        安徽: [117.29, 32.0581],
        湖北: [114.3896, 30.6628],
        浙江: [119.5313, 29.8773],
        福建: [119.4543, 25.9222],
        江西: [116.0046, 28.6633],
        湖南: [113.0823, 28.2568],
        贵州: [106.6992, 26.7682],
        云南: [102.9199, 25.4663],
        广东: [113.12244, 23.009505],
        广西: [108.479, 23.1152],
        海南: [110.3893, 19.8516],
        上海: [121.4648, 31.2891]
      };
      var chinaDatas = [
        [
          {
            name: "黑龙江",
            value: 0.88
          }
        ],
        [
          {
            name: "内蒙古",
            value: 0.12
          }
        ],
        [
          {
            name: "吉林",
            value: 0.89
          }
        ],
        [
          {
            name: "辽宁",
            value: 0.86
          }
        ],
        [
          {
            name: "河北",
            value: 0.88
          }
        ],
        [
          {
            name: "北京",
            value: 0.83
          }
        ],
        [
          {
            name: "天津",
            value: 0.71
          }
        ],
        [
          {
            name: "山西",
            value: 0.63
          }
        ],
        [
          {
            name: "陕西",
            value: 0.56
          }
        ],
        [
          {
            name: "宁夏",
            value: 0.17
          }
        ],
        [
          {
            name: "云南",
            value: 0.11
          }
        ],
        [
          {
            name: "四川",
            value: 1
          }
        ],
        [
          {
            name: "重庆",
            value: 0.8
          }
        ],
        [
          {
            name: "山东",
            value: 0.77
          }
        ],
        [
          {
            name: "河南",
            value: 0.75
          }
        ],
        [
          {
            name: "江苏",
            value: 0.88
          }
        ],
        [
          {
            name: "安徽",
            value: 0.73
          }
        ],
        [
          {
            name: "湖北",
            value: 0.75
          }
        ],
        [
          {
            name: "浙江",
            value: 0.82
          }
        ],
        [
          {
            name: "福建",
            value: 0.67
          }
        ],
        [
          {
            name: "江西",
            value: 0.71
          }
        ],
        [
          {
            name: "湖南",
            value: 0.75
          }
        ],
        [
          {
            name: "广东",
            value: 0.78
          }
        ],
        [
          {
            name: "海南",
            value: 0.1
          }
        ],
        [
          {
            name: "新疆",
            value: 0
          }
        ],
        [
          {
            name: "陕西",
            value: 0.91
          }
        ]
      ];

      var convertData = function(data) {
        var res = [];
        for (var i = 0; i < data.length; i++) {
          var dataItem = data[i];
          var fromCoord = chinaGeoCoordMap[dataItem[0].name];
          var toCoord = [121.4648, 31.2891];
          if (fromCoord && toCoord) {
            res.push([
              {
                coord: fromCoord,
                value: dataItem[0].value
              },
              {
                coord: toCoord
              }
            ]);
          }
        }
        return res;
      };
      var series = [];
      var colors = ["#f44336", "#fc9700", "#ffde00", "#ffde00", "#00eaff"];
      [["上海", chinaDatas]].forEach(function(item, i) {
        let color = colors[2];
        series.push(
          {
            type: "lines",
            zlevel: 2,
            coordinateSystem: "GLMap",
            effect: {
              show: true,
              period: 5, 
              trailLength: 0.2, 
              symbol: "arrow", 
              symbolSize: 8 
            },
            lineStyle: {
              normal: {
                width: 1.5, //线条宽度
                opacity: 0.8, //线条透明度
                curveness: 0.2, 
                color: color
              }
            },
            data: convertData(item[1])
          },
          {
            type: "effectScatter",
            coordinateSystem: "GLMap",
            zlevel: 2,
            rippleEffect: {
              period: 4,
              brushType: "stroke", 
              scale: 4 
            },
            label: {
              normal: {
                show: true,
                position: "right", 
                offset: [5, 0], 
                formatter: function(params) {
                  
                  return params.data.name;
                },
                fontSize: 13
              },
              emphasis: {
                show: true
              }
            },
            symbol: "circle",
            symbolSize: function(val) {
              return 5 + val[2] * 5; 
            },
            itemStyle: {
              normal: {
                show: false,
                color: color
              }
            },
            data: item[1].map(function(dataItem) {
              return {
                name: dataItem[0].name,
                value: chinaGeoCoordMap[dataItem[0].name].concat([
                  dataItem[0].value
                ])
              };
            })
          },
          {
            type: "scatter",
            coordinateSystem: "GLMap",
            zlevel: 2,
            rippleEffect: {
              period: 4,
              brushType: "stroke",
              scale: 5
            },
            label: {
              normal: {
                show: true,
                position: "right",
                //offset:[5, 0],
                color: "#0f0",
                formatter: "{b}",
                textStyle: {
                  color: "white"
                },
                fontSize: 20
              },
              emphasis: {
                show: true,
                color: "#f60"
              }
            },
            symbol: "pin",
            symbolSize: 40,
            data: [
              {
                name: item[0],
                value: chinaGeoCoordMap[item[0]].concat([10])
              }
            ]
          }
        );
      });

      return {
        animation: false,
        GLMap: {},
        series: series
      };
    }
  }
};
</script>
<style lang='scss' scoped>
</style>