option = {
  tooltip: {},
  backgroundColor: '#fff',
  visualMap: {
    show: false,
    dimension: 2,
    min: -1,
    max: 1,
    inRange: {
      color: [
        '#313695',
        '#4575b4',
        '#74add1',
        '#abd9e9',
        '#e0f3f8',
        '#ffffbf',
        '#fee090',
        '#fdae61',
        '#f46d43',
        '#d73027',
        '#a50026'
      ]
    }
  },
  xAxis3D: {
    type: 'value'
  },
  yAxis3D: {
    type: 'value'
  },
  zAxis3D: {
    type: 'value'
  },
  grid3D: {
    viewControl: {
      // projection: 'orthographic'
    }
  },
  series: [
    {
      type: 'surface',
      wireframe: {
        // show: false
      },
      equation: {
        x: {
          step: 0.05
        },
        y: {
          step: 0.05
        },
        z: function (x, y) {
          if (Math.abs(x) < 0.1 && Math.abs(y) < 0.1) {
            return '-';
          }
          return Math.sin(x * Math.PI) * Math.sin(y * Math.PI);
        }
      }
    }
  ]
};




option = {
  title: {
    text: 'Temperature Change in the Coming Week'
  },
  tooltip: {
    trigger: 'axis'
  },
  legend: {},
  toolbox: {
    show: true,
    feature: {
      dataZoom: {
        yAxisIndex: 'none'
      },
      dataView: { readOnly: false },
      magicType: { type: ['line', 'bar'] },
      restore: {},
      saveAsImage: {}
    }
  },
  xAxis: {
    type: 'category',
    boundaryGap: false,
    data: ['Mon', 'Tue', 'Wed', 'Thu', 'Fri', 'Sat', 'Sun']
  },
  yAxis: {
    type: 'value',
    axisLabel: {
      formatter: '{value} °C'
    }
  },
  series: [
    {
      name: 'Highest',
      type: 'line',
      data: [10, 11, 13, 11, 12, 12, 9],
      markPoint: {
        data: [
          { type: 'max', name: 'Max' },
          { type: 'min', name: 'Min' }
        ]
      },
      markLine: {
        data: [{ type: 'average', name: 'Avg' }]
      }
    },
    {
      name: 'Lowest',
      type: 'line',
      data: [1, -2, 2, 5, 3, 2, 0],
      markPoint: {
        data: [{ name: '周最低', value: -2, xAxis: 1, yAxis: -1.5 }]
      },
      markLine: {
        data: [
          { type: 'average', name: 'Avg' },
          [
            {
              symbol: 'none',
              x: '90%',
              yAxis: 'max'
            },
            {
              symbol: 'circle',
              label: {
                position: 'start',
                formatter: 'Max'
              },
              type: 'max',
              name: '最高点'
            }
          ]
        ]
      }
    }
  ]
};