环形图在每块数据居中位置显示一个图标的问题echarts 饼配置项内容和展示

现在是用makePoint实现出来的效果，但是有个问题，makePoint 需要定义X和Y值，当data数据变化后就要重新设定X,y值了。有没有办法获取到拼图每块数据的坐标？或者用其它方法实现这个的效果。

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img[2] = 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'
var dataInfo = [{
        value: 335,
        name: '直接访问'
    }, {
        value: 310,
        name: '邮件营销'
    }, {
        value: 234,
        name: '联盟广告'
    },

];



var dataInfoIcon = dataInfo.map(function(v, i) {

    return {
        value: v.value,
        name: v.name,
        label: {

            normal: {
                backgroundColor: {
                    image: img[i]
                }

            }
        }

    }


})
console.log(dataInfo)
option = {
    tooltip: {
        trigger: 'item',
        formatter: "{a} <br/>{b}: {c} ({d}%)"
    },
    legend: {
        orient: 'vertical',
        x: 'left',
        data: ['直接访问', '邮件营销', '联盟广告']
    },
    series: [{
        name: '访问来源',
        type: 'pie',
        radius: ['30%', '70%'],
        avoidLabelOverlap: false,
        label: {
            normal: {
                show: true,
                formatter: function(params) {
                    return '{a|}'
                },
                position: 'inside',
                width: 30,
                height: 30,
                rich: {} // 一定要设置不然width和height不生效

            },
            emphasis: {
                show: true,
                textStyle: {
                    fontSize: '30',
                    fontWeight: 'bold'
                }
            }
        },
        labelLine: {
            normal: {
                show: true
            }
        },

        data: dataInfoIcon
    }, {
        name: '图标',
        type: 'pie',
        radius: ['30%', '70%'],
        avoidLabelOverlap: false,
        label: {
            normal: {
                show: true,
                align: 'right',
                // position: ''
            },
            emphasis: {
                show: true,
                textStyle: {
                    fontSize: '30',
                    fontWeight: 'bold'
                }
            }
        },
        labelLine: {
            normal: {
                show: true
            }
        },

        data: dataInfo
    }]
};