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<html>
    <head>
        <meta charset="utf-8">
        <script src="lib/esl.js"></script>
        <script src="lib/config.js"></script>
    </head>
    <body>
        <style>
            html, body, #main {
                width: 100%;
                height: 100%;
                /* background-image: url(old_mathematics.png); */
                /* background-repeat: repeat; */
            }
        </style>
        <div id="main"></div>
        <script>
            var chart;
            require([
                'echarts'
            ], function (echarts) {

                chart = echarts.init(document.getElementById('main'), null, {
                    // renderer: 'svg'
                });

                var data = [{
                    name: 'Grandpa',
                    children: [{
                        name: 'Uncle Leo',
                        value: 15,
                        children: [{
                            name: 'Cousin Jack',
                            value: 2
                        }, {
                            name: 'Cousin Mary',
                            value: 5,
                            itemStyle: {
                                opacity: 0.2
                            },
                            children: [{
                                name: 'Jackson',
                                value: 2
                            }]
                        }, {
                            name: 'Cousin Ben',
                            value: 4
                        }],
                        itemStyle: {
                            color: '#660'
                        }
                    }, {
                        name: 'Aunt Jane',
                        children: [{
                            name: 'Cousin Kate',
                            value: 4,
                            itemStyle: {
                                color: '#660'
                            }
                        }]
                    }, {
                        name: 'Father',
                        value: 10,
                        children: [{
                            name: 'Me',
                            value: 5
                        }, {
                            name: 'Brother Peter',
                            value: 1
                        }],
                        itemStyle: {
                            downplay: {
                                opacity: 0.1
                            }
                        }
                    }],
                    itemStyle: {
                        downplay: {
                            opacity: 0.8
                        }
                    }
                }, {
                    name: 'Mike',
                    children: [{
                        name: 'Uncle Dan',
                        children: [{
                            name: 'Cousin Lucy',
                            value: 3
                        }, {
                            name: 'Cousin Luck',
                            value: 4,
                            children: [{
                                name: 'Nephew',
                                value: 2
                            }]
                        }]
                    }]
                }, {
                    name: 'Nancy',
                    children: [{
                        name: 'Uncle Nike',
                        children: [{
                            name: 'Cousin Betty',
                            value: 1
                        }, {
                            name: 'Cousin Jenny',
                            value: 2
                        }]
                    }]
                }];

                chart.setOption({
                    tooltip: {
                        trigger: 'item'
                    },
                    aria: {
                        show: true
                    },
                    series: {
                        type: 'sunburst',
                        // highlightPolicy: 'ancestor',
                        data: data,
                        radius: [0, '90%'],
                        label: {
                            rotate: 'radial'
                        },
                        levels: [{
                            itemStyle: {
                                opacity: 1,
                                color: '#70d'
                            }
                        }, {
                            itemStyle: {
                                opacity: 0.8,
                                color: '#f0f'
                            },
                            label: {
                                opacity: 0.8,
                                formatter: '{a}: {b}'
                            }
                        }, {
                            itemStyle: {
                                opacity: 0.6,
                                color: '#00f'
                            },
                            label: {
                                opacity: 0.6
                            }
                        }, {
                            itemStyle: {
                                opacity: 0.4
                            }
                        }]
                    }
                });

                setTimeout(function () {
                    data.push({
                        name: 'Stranger',
                        children: [{
                            name: 'S1',
                            value: 4
                        }, {
                            name: 'S2',
                            value: 1
                        }]
                    });
                    chart.setOption({
                        series: {
                            data: data
                        }
                    });
                }, 3000);

                setTimeout(function () {
                    data.splice(1, 1);
                    data[0].value = 32;
                    chart.setOption({
                        series: {
                            data: data
                        }
                    });
                }, 6000);

            });

        </script>
    </body>
</html>