echarts中流向图图片配置

  // 城市点位图标
  const symbolList = [
    "image://https://mars3d.cn/img/icon/symbol1.png",
    "image://https://mars3d.cn/img/icon/symbol2.png",
  ];

  // 线上的动态运动点图标
  const pointSymbol = [
    // "image://img/icon/linePoint1.png",
    "image://https://mars3d.cn/img/icon/linePoint1.png",
    "image://https://mars3d.cn/img/icon/linePoint2.png",
  ];