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<html>
    <head>
        <meta charset="utf-8">
        <script src="lib/esl.js"></script>
        <script src="lib/config.js"></script>
        <script src="lib/testHelper.js"></script>
        <meta name="viewport" content="width=device-width, initial-scale=1" />
        <link rel="stylesheet" href="lib/reset.css" />
    </head>
    <body>
        <style>
            h1 {
                line-height: 60px;
                height: 60px;
                background: #ddd;
                text-align: center;
                font-weight: bold;
                font-size: 14px;
            }
            .chart {
                height: 500px;
            }
        </style>


        <h1>Profile</h1>
        <div class="chart" id="profile"></div>
        <h1>Histogram</h1>
        <div class="chart" id="histogram"></div>
        <h1>Profit</h1>
        <div class="chart" id="profit"></div>
        <h1>Error Chart (Cartesian Bar)</h1>
        <div class="chart" id="errorChart-cartesian-bar"></div>
        <h1>Error Chart (Cartesian Scatter)</h1>
        <div class="chart" id="errorChart-cartesian-scatter"></div>
        <h1>Bar layout</h1>
        <div class="chart" id="errorChart-cartesian-bar-multi"></div>
        <h1>Cartesian Polygon</h1>
        <div class="chart" id="cartesian-polygon"></div>
        <h1>Calendar | Path data | text</h1>
        <div class="chart" id="calendar"></div>
        <h1>Update animation: Text | Image | Path </h1>
        <div class="chart" id="text-image-update"></div>
        <h1>Polar Block</h1>
        <div class="chart" id="polar-block"></div>
        <h1>Diff group children by name (animation of number icon should be normal)</h1>
        <div class="chart" id="diff-children-by-name"></div>


        <script>
            require([
                'echarts'
                // 'echarts/chart/custom',
                // 'echarts/chart/bar',
                // 'echarts/component/legend',
                // 'echarts/component/tooltip',
                // 'echarts/component/visualMap',
                // 'echarts/component/dataZoom',
                // 'zrender/vml/vml'
            ], function (echarts) {

                var data = [];
                var dataCount = 10;
                var startTime = +new Date();
                var categories = ['categoryA', 'categoryB', 'categoryC'];
                var types = [
                    {name: 'JS Heap', color: '#7b9ce1'},
                    {name: 'Documents', color: '#bd6d6c'},
                    {name: 'Nodes', color: '#75d874'},
                    {name: 'Listeners', color: '#e0bc78'},
                    {name: 'GPU Memory', color: '#dc77dc'},
                    {name: 'GPU', color: '#72b362'}
                ];

                // Generate mock data
                echarts.util.each(categories, function (category, index) {
                    var baseTime = startTime;
                    for (var i = 0; i < dataCount; i++) {
                        var typeItem = types[Math.round(Math.random() * (types.length - 1))];
                        var duration = Math.round(Math.random() * 10000);
                        data.push({
                            name: typeItem.name,
                            value: [
                                index,
                                baseTime,
                                baseTime += duration,
                                duration
                            ],
                            itemStyle: {
                                normal: {
                                    color: typeItem.color
                                }
                            }
                        });
                        baseTime += Math.round(Math.random() * 2000);
                    }
                });

                console.log(JSON.stringify({
                    startTime: startTime,
                    data: data
                }));

                function renderItem(params, api) {
                    var categoryIndex = api.value(0);
                    var start = api.coord([api.value(1), categoryIndex]);
                    var end = api.coord([api.value(2), categoryIndex]);
                    var height = api.size([0, 1])[1] * 0.6;

                    var rectShape = echarts.graphic.clipRectByRect({
                        x: start[0],
                        y: start[1] - height / 2,
                        width: end[0] - start[0],
                        height: height
                    }, {
                        x: params.coordSys.x,
                        y: params.coordSys.y,
                        width: params.coordSys.width,
                        height: params.coordSys.height
                    });

                    return rectShape && {
                        type: 'rect',
                        shape: rectShape,
                        style: api.style()
                    };
                }

                option = {
                    tooltip: {
                        formatter: function (params) {
                            return params.marker + params.name + ': ' + params.value[3] + ' ms';
                        }
                    },
                    title: {
                        text: 'Profile',
                        left: 'center'
                    },
                    legend: {
                        data: ['bar', 'error']
                    },
                    dataZoom: [{
                        type: 'slider',
                        filterMode: 'weakFilter',
                        showDataShadow: false,
                        top: 400,
                        height: 10,
                        borderColor: 'transparent',
                        backgroundColor: '#e2e2e2',
                        handleIcon: 'M10.7,11.9H9.3c-4.9,0.3-8.8,4.4-8.8,9.4c0,5,3.9,9.1,8.8,9.4h1.3c4.9-0.3,8.8-4.4,8.8-9.4C19.5,16.3,15.6,12.2,10.7,11.9z M13.3,24.4H6.7v-1.2h6.6z M13.3,22H6.7v-1.2h6.6z M13.3,19.6H6.7v-1.2h6.6z', // jshint ignore:line
                        handleSize: 20,
                        handleStyle: {
                            shadowBlur: 6,
                            shadowOffsetX: 1,
                            shadowOffsetY: 2,
                            shadowColor: '#aaa'
                        },
                        labelFormatter: function (val) {
                            return (val - startTime).toFixed(0) + ' ms';
                        }
                    }, {
                        type: 'inside',
                        filterMode: 'weakFilter'
                    }],
                    grid: {
                        height:300
                    },
                    xAxis: {
                        min: startTime,
                        scale: true,
                        axisLabel: {
                            formatter: function (val) {
                                return (val - startTime) + ' ms';
                            }
                        }
                    },
                    yAxis: {
                        data: categories
                    },
                    series: [{
                        type: 'custom',
                        renderItem: renderItem,
                        itemStyle: {
                            normal: {
                                opacity: 0.8
                            }
                        },
                        encode: {
                            x: [1, 2],
                            y: 0
                        },
                        data: data
                    }]
                };

                testHelper.createChart(echarts, 'profile', option);
            });
        </script>


        <script>
            require([
                'echarts'
                // 'echarts/chart/custom',
                // 'echarts/chart/bar',
                // 'echarts/component/legend',
                // 'echarts/component/tooltip',
                // 'echarts/component/visualMap',
                // 'echarts/component/dataZoom',
                // 'zrender/vml/vml'
            ], function (echarts) {

                // See https://github.com/ecomfe/echarts-stat
                // var bins = {"bins":[{"sample":[8.3,8.6,8.8],"x0":8,"x1":10},{"sample":[10.5,10.7,10.8,11,11,11.1,11.2,11.3,11.4,11.4,11.7],"x0":10,"x1":12},{"sample":[12,12.9,12.9,13.3,13.7,13.8],"x0":12,"x1":14},{"sample":[14,14.2,14.5],"x0":14,"x1":16},{"sample":[16,16.3,17.3,17.5,17.9],"x0":16,"x1":18},{"sample":[18,18],"x0":18,"x1":20},{"sample":[20.6],"x0":20,"x1":22}],"data":[[9,3],[11,11],[13,6],[15,3],[17,5],[19,2],[21,1]]};
                var bins = {"bins":[{"sample":[],"x0":0.5,"x1":1},{"sample":[1.4,1.4,1.3,1.4,1.4,1.4,1.4,1.1,1.2,1.3,1.4,1,1.4,1.4,1.2,1.3,1.4,1.3,1.3,1.3,1.3,1.4,1.4,1.4],"x0":1,"x1":1.5},{"sample":[1.5,1.7,1.5,1.5,1.5,1.6,1.5,1.7,1.5,1.7,1.5,1.7,1.9,1.6,1.6,1.5,1.6,1.6,1.5,1.5,1.5,1.5,1.6,1.9,1.6,1.5],"x0":1.5,"x1":2},{"sample":[],"x0":2,"x1":2.5},{"sample":[],"x0":2.5,"x1":3},{"sample":[3.3,3.3,3],"x0":3,"x1":3.5},{"sample":[3.9,3.5,3.6,3.9,3.5,3.8,3.7,3.9],"x0":3.5,"x1":4},{"sample":[4,4.2,4,4.4,4.1,4,4.3,4.4,4.4,4.1,4,4.4,4,4.2,4.2,4.2,4.3,4.1],"x0":4,"x1":4.5},{"sample":[4.7,4.5,4.9,4.6,4.5,4.7,4.6,4.7,4.5,4.5,4.8,4.9,4.7,4.8,4.5,4.5,4.5,4.7,4.6,4.5,4.9,4.9,4.8,4.9,4.8],"x0":4.5,"x1":5},{"sample":[5,5.1,5.1,5.1,5.3,5,5.1,5.3,5,5.1,5.4,5.1,5.1,5.2,5,5.2,5.4,5.1],"x0":5,"x1":5.5},{"sample":[5.9,5.6,5.8,5.8,5.5,5.5,5.7,5.7,5.6,5.8,5.6,5.6,5.6,5.5,5.6,5.9,5.7],"x0":5.5,"x1":6},{"sample":[6,6.3,6.1,6,6.1,6.4,6.1],"x0":6,"x1":6.5},{"sample":[6.6,6.7,6.9,6.7],"x0":6.5,"x1":7}],"data":[[0.75,0],[1.25,24],[1.75,26],[2.25,0],[2.75,0],[3.25,3],[3.75,8],[4.25,18],[4.75,25],[5.25,18],[5.75,17],[6.25,7],[6.75,4]]};
                var interval;
                var min = Infinity;
                var max = -Infinity;
                data = echarts.util.map(bins.data, function (item, index) {
                    var x0 = bins.bins[index].x0;
                    var x1 = bins.bins[index].x1;
                    interval = x1 - x0;
                    min = Math.min(min, x0);
                    max = Math.max(max, x1);
                    return [x0, x1, item[1]];
                });

                function renderItem(params, api) {
                    var yValue = api.value(2);
                    var start = api.coord([api.value(0), yValue]);
                    var size = api.size([api.value(1) - api.value(0), yValue]);
                    var style = api.style();

                    return {
                        type: 'rect',
                        shape: {
                            x: start[0] + 1,
                            y: start[1],
                            width: size[0] - 2,
                            height: size[1]
                        },
                        style: style
                    };
                }

                var option = {
                    tooltip: {
                    },
                    xAxis: {
                        interval: interval,
                        min: min,
                        max: max
                    },
                    yAxis: {
                    },
                    series: [{
                        type: 'custom',
                        renderItem: renderItem,
                        label: {
                            normal: {
                                show: true,
                                position: 'top'
                            }
                        },
                        encode: {
                            x: [0, 1],
                            y: 2,
                            tooltip: 2
                        },
                        data: data
                    }]
                };

                testHelper.createChart(echarts, 'histogram', option);
            });
        </script>


        <script>
            require([
                'echarts'
                // 'echarts/chart/custom',
                // 'echarts/chart/bar',
                // 'echarts/component/legend',
                // 'echarts/component/tooltip',
                // 'echarts/component/visualMap',
                // 'echarts/component/dataZoom',
                // 'zrender/vml/vml'
            ], function (echarts) {

                // var data = [[10, 16, 3], [16, 18, 15], [18, 26, 12], [26, 32, 22], [32, 56, 7], [56, 62, 17]];
                var data = [[10, 16, 3, 'A'], [16, 18, 15, 'B'], [18, 26, 12, 'C'], [26, 32, 22, 'D'], [32, 56, 7, 'E'], [56, 62, 17, 'F']];
                var colorList = ['#4f81bd', '#c0504d', '#9bbb59', '#604a7b', '#948a54', '#e46c0b'];
                data = echarts.util.map(data, function (item, index) {
                    return {
                        value: item,
                        itemStyle: {
                            normal: {
                                color: colorList[index]
                            }
                        }
                    };
                });

                function renderItem(params, api) {
                    var yValue = api.value(2);
                    var start = api.coord([api.value(0), yValue]);
                    var size = api.size([api.value(1) - api.value(0), yValue]);
                    var style = api.style();

                    return {
                        type: 'rect',
                        shape: {
                            x: start[0],
                            y: start[1],
                            width: size[0],
                            height: size[1]
                        },
                        style: style
                    };
                }

                var option = {
                    tooltip: {
                    },
                    xAxis: {
                        scale: true
                    },
                    yAxis: {
                    },
                    series: [{
                        type: 'custom',
                        renderItem: renderItem,
                        label: {
                            normal: {
                                show: true,
                                position: 'top'
                            }
                        },
                        dimensions: ['from', 'to', 'profit'],
                        encode: {
                            x: [0, 1],
                            y: 2,
                            tooltip: [0, 1, 2]
                        },
                        data: data
                    }]
                };

                testHelper.createChart(echarts, 'profit', option);
            });
        </script>


        <script>
            require([
                'echarts'
                // 'echarts/chart/custom',
                // 'echarts/chart/bar',
                // 'echarts/component/legend',
                // 'echarts/component/tooltip',
                // 'echarts/component/visualMap',
                // 'echarts/component/dataZoom',
                // 'zrender/vml/vml'
            ], function (echarts) {

                var categoryData = [];
                var errorData = [];
                var barData = [];
                var dataCount = 100;
                for (var i = 0; i < dataCount; i++) {
                    var val = Math.random() * 1000;
                    categoryData.push('category' + i);
                    errorData.push([
                        i,
                        echarts.number.round(Math.max(0, val - Math.random() * 100)),
                        echarts.number.round(val + Math.random() * 80)
                    ]);
                    barData.push(echarts.number.round(val, 2));
                }

                function renderItem(params, api) {
                    var xValue = api.value(0);
                    var highPoint = api.coord([xValue, api.value(1)]);
                    var lowPoint = api.coord([xValue, api.value(2)]);
                    var halfWidth = api.size([1, 0])[0] * 0.1;
                    var style = api.style({
                        stroke: api.visual('color'),
                        fill: null
                    });

                    return {
                        type: 'group',
                        children: [{
                            type: 'line',
                            shape: {
                                x1: highPoint[0] - halfWidth, y1: highPoint[1],
                                x2: highPoint[0] + halfWidth, y2: highPoint[1]
                            },
                            style: style
                        }, {
                            type: 'line',
                            shape: {
                                x1: highPoint[0], y1: highPoint[1],
                                x2: lowPoint[0], y2: lowPoint[1]
                            },
                            style: style
                        }, {
                            type: 'line',
                            shape: {
                                x1: lowPoint[0] - halfWidth, y1: lowPoint[1],
                                x2: lowPoint[0] + halfWidth, y2: lowPoint[1]
                            },
                            style: style
                        }]
                    };
                }

                var option = {
                    tooltip: {
                        trigger: 'axis'
                    },
                    legend: {
                        data: ['bar', 'error']
                    },
                    dataZoom: [{
                        type: 'slider',
                        start: 50,
                        end: 70
                    }, {
                        type: 'inside',
                        start: 50,
                        end: 70
                    }],
                    xAxis: {
                        data: categoryData
                    },
                    yAxis: {},
                    series: [{
                        type: 'bar',
                        name: 'bar',
                        data: barData,
                        itemStyle: {
                            normal: {
                                color: '#77bef7'
                            }
                        }
                    }, {
                        type: 'custom',
                        name: 'error',
                        itemStyle: {
                            normal: {
                                borderWidth: 1.5
                            }
                        },
                        renderItem: renderItem,
                        encode: {
                            x: 0,
                            y: [1, 2]
                        },
                        data: errorData,
                        z: 100
                    }]
                };

                testHelper.createChart(echarts, 'errorChart-cartesian-bar', option);
            });
        </script>


        <script>
            require([
                'echarts'
                // 'echarts/chart/custom',
                // 'echarts/chart/scatter',
                // 'echarts/component/legend',
                // 'echarts/component/visualMap',
                // 'echarts/component/dataZoom',
                // 'zrender/vml/vml'
            ], function (echarts) {
                // Prime Costs and Prices for ACME Fashion\nCollection "Spring-Summer, 2016"
                // Data from https://playground.anychart.com/gallery/7.12.0/Error_Charts/Marker_Chart
                var dimensions = [
                    'name', 'Price', 'Prime cost', 'Prime cost min', 'Prime cost max', 'Price min', 'Price max'
                ];
                var data = [
                    ['Blouse "Blue Viola"', 101.88, 99.75, 76.75, 116.75, 69.88, 119.88],
                    ['Dress "Daisy"', 155.8, 144.03, 126.03, 156.03, 129.8, 188.8],
                    ['Trousers "Cutesy Classic"', 203.25, 173.56, 151.56, 187.56, 183.25, 249.25],
                    ['Dress "Morning Dew"', 256, 120.5, 98.5, 136.5, 236, 279],
                    ['Turtleneck "Dark Chocolate"', 408.89, 294.75, 276.75, 316.75, 385.89, 427.89],
                    ['Jumper "Early Spring"', 427.36, 430.24, 407.24, 452.24, 399.36, 461.36],
                    ['Breeches "Summer Mood"', 356, 135.5, 123.5, 151.5, 333, 387],
                    ['Dress "Mauve Chamomile"', 406, 95.5, 73.5, 111.5, 366, 429],
                    ['Dress "Flying Tits"', 527.36, 503.24, 488.24, 525.24, 485.36, 551.36],
                    ['Dress "Singing Nightingales"', 587.36, 543.24, 518.24, 555.24, 559.36, 624.36],
                    ['Sundress "Cloudy weather"', 603.36, 407.24, 392.24, 419.24, 581.36, 627.36],
                    ['Sundress "East motives"', 633.36, 477.24, 445.24, 487.24, 594.36, 652.36],
                    ['Sweater "Cold morning"', 517.36, 437.24, 416.24, 454.24, 488.36, 565.36],
                    ['Trousers "Lavender Fields"', 443.36, 387.24, 370.24, 413.24, 412.36, 484.36],
                    ['Jumper "Coffee with Milk"', 543.36, 307.24, 288.24, 317.24, 509.36, 574.36],
                    ['Blouse "Blooming Cactus"', 790.36, 277.24, 254.24, 295.24, 764.36, 818.36],
                    ['Sweater "Fluffy Comfort"', 790.34, 678.34, 660.34, 690.34, 762.34, 824.34]
                ];

                function renderItem(params, api) {
                    var children = [];
                    var coordDims = ['x', 'y'];

                    for (var baseDimIdx = 0; baseDimIdx < 2; baseDimIdx++) {
                        var otherDimIdx = 1 - baseDimIdx;
                        var encode = params.encode;
                        var baseValue = api.value(encode[coordDims[baseDimIdx]][0]);
                        var param = [];
                        param[baseDimIdx] = baseValue;
                        param[otherDimIdx] = api.value(encode[coordDims[otherDimIdx]][1]);
                        var highPoint = api.coord(param);
                        param[otherDimIdx] = api.value(encode[coordDims[otherDimIdx]][2]);
                        var lowPoint = api.coord(param);
                        var halfWidth = 5;

                        var style = api.style({
                            stroke: api.visual('color'),
                            fill: null
                        });

                        children.push({
                            type: 'line',
                            shape: makeShape(
                                baseDimIdx,
                                highPoint[baseDimIdx] - halfWidth, highPoint[otherDimIdx],
                                highPoint[baseDimIdx] + halfWidth, highPoint[otherDimIdx]
                            ),
                            style: style
                        }, {
                            type: 'line',
                            shape: makeShape(
                                baseDimIdx,
                                highPoint[baseDimIdx], highPoint[otherDimIdx],
                                lowPoint[baseDimIdx], lowPoint[otherDimIdx]
                            ),
                            style: style
                        }, {
                            type: 'line',
                            shape: makeShape(
                                baseDimIdx,
                                lowPoint[baseDimIdx] - halfWidth, lowPoint[otherDimIdx],
                                lowPoint[baseDimIdx] + halfWidth, lowPoint[otherDimIdx]
                            ),
                            style: style
                        });
                    }

                    function makeShape(baseDimIdx, base1, value1, base2, value2) {
                        var shape = {};
                        shape[coordDims[baseDimIdx] + '1'] = base1;
                        shape[coordDims[1 - baseDimIdx] + '1'] = value1;
                        shape[coordDims[baseDimIdx] + '2'] = base2;
                        shape[coordDims[1 - baseDimIdx] + '2'] = value2;
                        return shape;
                    }

                    return {
                        type: 'group',
                        children: children
                    };
                }

                var option = {
                    tooltip: {
                    },
                    legend: {
                        data: ['bar', 'error']
                    },
                    dataZoom: [{
                        type: 'slider'
                    }, {
                        type: 'inside'
                    }],
                    xAxis: {},
                    yAxis: {},
                    series: [{
                        type: 'scatter',
                        name: 'error',
                        data: data,
                        dimensions: dimensions,
                        encode: {
                            x: 2,
                            y: 1,
                            tooltip: [2, 1, 3, 4, 5, 6],
                            itemName: 0
                        },
                        itemStyle: {
                            normal: {
                                color: '#77bef7'
                            }
                        }
                    }, {
                        type: 'custom',
                        name: 'error',
                        renderItem: renderItem,
                        dimensions: dimensions,
                        encode: {
                            x: [2, 3, 4],
                            y: [1, 5, 6],
                            tooltip: [2, 1, 3, 4, 5, 6],
                            itemName: 0
                        },
                        data: data,
                        z: 100
                    }]
                };

                testHelper.createChart(echarts, 'errorChart-cartesian-scatter', option);
            });
        </script>


        <script>
            require([
                'echarts'
                // 'echarts/chart/custom',
                // 'echarts/chart/bar',
                // 'echarts/component/legend',
                // 'echarts/component/tooltip',
                // 'echarts/component/visualMap',
                // 'echarts/component/dataZoom',
                // 'zrender/vml/vml'
            ], function (echarts) {

                var yearCount = 7;
                var categoryCount = 30;

                var xAxisData = [];
                var customData = [];
                var legendData = [];
                var dataList = [];

                legendData.push('trend');
                var encodeY = [];
                for (var i = 0; i < yearCount; i++) {
                    legendData.push((2010 + i) + '');
                    dataList.push([]);
                    encodeY.push(1 + i);
                };

                for (var i = 0; i < categoryCount; i++) {
                    var val = Math.random() * 1000;
                    xAxisData.push('category' + i);
                    var customVal = [i];
                    customData.push(customVal);

                    var data = dataList[0];
                    for (var j = 0; j < dataList.length; j++) {
                        var value = j === 0
                            ? echarts.number.round(val, 2)
                            : echarts.number.round(Math.max(0, dataList[j - 1][i] + (Math.random() - 0.5) * 200), 2);
                        dataList[j].push(value);
                        customVal.push(value);
                    }
                }

                function renderItem(params, api) {
                    var xValue = api.value(0);
                    var currentSeriesIndices = api.currentSeriesIndices();
                    var barLayout = api.barLayout({
                        count: currentSeriesIndices.length - 1
                    });

                    var points = [];
                    for (var i = 0; i < currentSeriesIndices.length; i++) {
                        var seriesIndex = currentSeriesIndices[i];
                        if (seriesIndex !== params.seriesIndex) {
                            var point = api.coord([xValue, api.value(seriesIndex)]);
                            point[0] += barLayout[i - 1].offsetCenter;
                            point[1] -= 20;
                            points.push(point);
                        }
                    }
                    var style = api.style({
                        stroke: api.visual('color'),
                        fill: null
                    });

                    return {
                        type: 'polyline',
                        shape: {
                            points: points
                        },
                        style: style
                    };
                }

                var option = {
                    tooltip: {
                        trigger: 'axis'
                    },
                    legend: {
                        data: legendData
                    },
                    dataZoom: [{
                        type: 'slider',
                        start: 50,
                        end: 70
                    }, {
                        type: 'inside',
                        start: 50,
                        end: 70
                    }],
                    xAxis: {
                        data: xAxisData
                    },
                    yAxis: {},
                    series: [{
                        type: 'custom',
                        name: 'trend',
                        renderItem: renderItem,
                        itemStyle: {
                            normal: {
                                borderWidth: 2
                            }
                        },
                        encode: {
                            x: 0,
                            y: encodeY
                        },
                        data: customData,
                        z: 100
                    }].concat(echarts.util.map(dataList, function (data, index) {
                        return {
                            type: 'bar',
                            animation: false,
                            name: legendData[index + 1],
                            itemStyle: {
                                normal: {
                                    opacity: 0.5
                                }
                            },
                            data: data
                        };
                    }))
                };

                testHelper.createChart(echarts, 'errorChart-cartesian-bar-multi', option);
            });
        </script>


        <script>
            require([
                'echarts'
                // 'echarts/chart/custom',
                // 'echarts/chart/bar',
                // 'echarts/component/legend',
                // 'echarts/component/tooltip',
                // 'echarts/component/visualMap',
                // 'echarts/component/dataZoom',
                // 'zrender/vml/vml'
            ], function (echarts) {

                var data = [];
                var dataCount = 7;
                for (var i = 0; i < dataCount; i++) {
                    var val = Math.random() * 1000;
                    data.push([
                        echarts.number.round(Math.random() * 100),
                        echarts.number.round(Math.random() * 400)
                    ]);
                }

                function renderItem(params, api) {
                    if (params.context.rendered) {
                        return;
                    }
                    params.context.rendered = true;

                    var points = [];
                    for (var i = 0; i < data.length; i++) {
                        points.push(api.coord(data[i]));
                    }
                    var color = api.visual('color');

                    return {
                        type: 'polygon',
                        shape: {
                            points: echarts.graphic.clipPointsByRect(points, {
                                x: params.coordSys.x,
                                y: params.coordSys.y,
                                width: params.coordSys.width,
                                height: params.coordSys.height
                            })
                        },
                        style: api.style({
                            fill: color,
                            stroke: echarts.color.lift(color)
                        })
                    };
                }

                var option = {
                    tooltip: {
                        trigger: 'axis'
                    },
                    legend: {
                        data: ['bar', 'error']
                    },
                    dataZoom: [{
                        type: 'slider',
                        filterMode: 'none'
                    }, {
                        type: 'inside',
                        filterMode: 'none'
                    }],
                    xAxis: {},
                    yAxis: {},
                    series: [{
                        type: 'custom',
                        renderItem: renderItem,
                        data: data
                    }]
                };

                testHelper.createChart(echarts, 'cartesian-polygon', option);
            });
        </script>


        <script>
            require([
                'echarts'
                // 'echarts/chart/heatmap',
                // 'echarts/chart/custom',
                // 'echarts/component/legend',
                // 'echarts/component/calendar',
                // 'echarts/component/tooltip',
                // 'echarts/component/visualMap',
                // 'echarts/component/dataZoom',
                // 'zrender/vml/vml'
            ], function (echarts) {

                var layouts = [
                    [[0, 0]],
                    [[-0.25, 0], [0.25, 0]],
                    [[0, -0.2], [-0.2, 0.2], [0.2, 0.2]],
                    [[-0.25, -0.25], [-0.25, 0.25], [0.25, -0.25], [0.25, 0.25]]
                ];
                var pathes = [
                    'M936.857805 523.431322c0 0-42.065715-68.89513-88.786739-68.89513-46.68416 0-95.732122 71.223091-95.732122 71.223091s-44.28544-72.503296-93.440922-71.152538c-35.565466 0.977306-62.89705 30.882406-79.124275 64.06615L579.773747 790.800797c-3.253248 37.391565-5.677568 50.904371-12.002816 69.63497-6.651802 19.698688-19.544883 35.227341-31.650099 45.909606-14.30231 12.621414-29.59831 22.066586-45.854208 27.424563-16.28969 5.362074-30.098739 6.496973-51.536794 6.496973-19.498906 0-36.95104-2.963456-52.395418-8.850534-15.410586-5.887078-28.420403-14.313984-39.034573-25.246003-10.613146-10.930995-18.757939-24.08151-24.435507-39.525171-5.676544-15.443763-8.532685-40.195482-8.532685-59.270963l0-26.232454 74.435273 0c0 24.644301-0.17705 64.452915 8.81408 77.006848 9.02697 12.515021 22.756147 18.092032 41.148826 18.791014 16.728678 0.636518 30.032179-8.061645 30.032179-8.061645s11.922022-10.5472 14.992077-19.756954c2.674995-8.025805 3.565363-22.180147 3.565363-22.180147s2.080461-21.789286 2.080461-34.234675L489.399906 514.299369c-16.678502-18.827776-43.801395-61.938688-82.756096-60.927693-54.699008 1.419366-100.422144 70.059622-100.422144 70.059622s-56.065126-70.059622-93.440922-70.059622c-37.376717 0-91.077939 70.059622-91.077939 70.059622S105.343488 156.737741 476.742042 119.363584l53.70327-74.714624 51.373056 74.714624C964.889395 142.740992 936.857805 523.431322 936.857805 523.431322z',
                    'M533.504 268.288q33.792-41.984 71.68-75.776 32.768-27.648 74.24-50.176t86.528-19.456q63.488 5.12 105.984 30.208t67.584 63.488 34.304 87.04 6.144 99.84-17.92 97.792-36.864 87.04-48.64 74.752-53.248 61.952q-40.96 41.984-85.504 78.336t-84.992 62.464-73.728 41.472-51.712 15.36q-20.48 1.024-52.224-14.336t-69.632-41.472-79.872-61.952-82.944-75.776q-26.624-25.6-57.344-59.392t-57.856-74.24-46.592-87.552-21.504-100.352 11.264-99.84 39.936-83.456 65.536-61.952 88.064-35.328q24.576-5.12 49.152-1.536t48.128 12.288 45.056 22.016 40.96 27.648q45.056 33.792 86.016 80.896z',
                    'M741.06368 733.310464c8.075264-29.262438 20.615373-40.632422 14.64105-162.810061C966.089728 361.789952 967.93897 72.37847 967.855002 54.693683c0.279347-0.279347 0.418509-0.419533 0.418509-0.419533s-0.17705-0.00512-0.428749-0.00512c0-0.251699 0-0.428749 0-0.428749s-0.139162 0.14633-0.418509 0.425677c-17.695744-0.083866-307.10784 1.760051-515.833958 212.142592-122.181632-5.984256-133.55305 6.563533-162.815693 14.644531C235.35063 295.798886 103.552614 436.975309 90.630758 486.076621c-12.921856 49.105408 39.634227 56.859034 58.579558 58.581197 18.953421 1.724314 121.471386-9.475789 130.09111 4.309094 0 0 16.367411 11.200102 17.226035 41.346662 0.850432 29.796659 15.173222 71.354163 37.123994 97.267302-0.028672 0.027648-0.05632 0.054272-0.083866 0.074752 0.158618 0.13097 0.316211 0.261939 0.474829 0.390861 0.129946 0.149402 0.261939 0.319283 0.393011 0.468685 0.019456-0.019456 0.04608-0.049152 0.075776-0.075674 25.918362 21.961216 67.477504 36.272128 97.269248 37.122458 30.149837 0.859546 41.354547 17.234534 41.354547 17.234534 13.779354 8.608051 2.583962 111.122842 4.302131 130.075546 1.727386 18.95168 9.477222 71.498445 58.579558 58.576077C585.12896 918.526771 726.311117 786.734182 741.06368 733.310464zM595.893555 426.206003c-39.961702-39.965184-39.961702-104.75991 0-144.720077 39.970918-39.96928 104.768307-39.96928 144.730112 0 39.970918 39.960064 39.970918 104.75479 0 144.720077C700.661862 466.171187 635.864474 466.171187 595.893555 426.206003zM358.53312 769.516032c-31.923302-4.573184-54.890394-18.410291-71.41847-35.402342-16.984474-16.526438-30.830387-39.495475-35.405824-71.420621-4.649062-28.082586-20.856832-41.167565-38.76649-38.763827-17.906586 2.40681-77.046886 66.714419-80.857805 89.475891-3.80887 22.752154 29.271859 12.081152 46.424166 27.654861 17.151283 15.590093-2.139853 61.93664-14.733107 86.845952-6.441984 12.735078-10.289766 26.42176-4.22953 33.76087 7.346586 6.070272 21.03593 2.222592 33.769472-4.220109 24.912384-12.585677 71.258829-31.872922 86.842368-14.731469 15.583539 17.160806 4.911002 50.229965 27.674419 46.419251 22.754099-3.807744 87.065395-62.946611 89.466163-80.85248C399.70857 790.374093 386.627072 774.166938 358.53312 769.516032z',
                    'M848.794624 939.156685 571.780416 939.156685 571.780416 653.17123l341.897539 0 0 221.100654C913.677926 909.960704 884.482867 939.156685 848.794624 939.156685zM571.780403 318.743552c-11.861606-3.210138-31.443354-8.36864-39.829709-16.176435-0.596582-0.561766-1.016218-1.246413-1.613824-1.841971-0.560845 0.596582-1.016218 1.280205-1.613824 1.841971-8.386355 7.807795-15.96631 12.965274-27.827917 16.176435l0 263.544325L141.030675 582.287877 141.030675 355.202884c0-35.687834 29.195059-64.882688 64.883302-64.882688l150.649125 0c-16.984474-9.525965-32.846438-20.56233-46.111027-32.932045-60.250624-56.144691-71.129907-137.062605-24.283034-180.767027 19.615539-18.264986 46.252237-27.124736 75.026739-27.124736 39.933133 0 83.972915 17.070797 118.995968 49.706086 20.353331 18.983322 37.722624 43.405619 50.145075 69.056819 12.457267-25.6512 29.791744-50.074419 50.180915-69.056819 35.022029-32.63529 79.062835-49.706086 118.994944-49.706086 28.74071 0 55.410176 8.860774 75.025715 27.124736 46.882611 43.704422 35.96759 124.622336-24.283034 180.767027-13.264589 12.368691-29.127578 23.40608-46.111027 32.932045l144.649234 0c35.688243 0 64.882278 29.195981 64.882278 64.882688l0 227.084948L571.780416 582.287833 571.780416 318.743508zM435.064218 147.625267c-21.476966-19.965747-49.094144-31.913882-73.868288-31.913882-7.404954 0-21.125018 1.211597-29.863322 9.386803-2.000691 1.824563-8.070144 7.439462-8.070144 21.369754 0 15.650406 8.492749 40.24873 32.319386 62.477926 29.124506 27.12576 77.202432 47.601152 111.76704 47.601152 12.176794 0 16.492237-2.666701 16.527053-2.702541C489.524736 242.54505 475.664486 185.453773 435.064218 147.625267zM577.78135 254.790963c0 0 0.034816-0.034816 0.069632-0.034816 0.807424 0 5.50871 1.790771 15.509914 1.790771 34.564608 0 82.64151-20.47529 111.76704-47.601152 23.826637-22.229299 32.283546-46.810112 32.283546-62.442189 0-13.930291-6.033613-19.562496-8.035328-21.404467-8.77312-8.17623-22.457344-9.386803-29.864346-9.386803-24.808038 0-52.390298 11.948134-73.867264 31.913882C585.325466 185.208218 571.358822 241.73865 577.78135 254.790963zM500.89513 939.156685 205.914017 939.156685c-35.688243 0-64.883302-29.195981-64.883302-64.883712L141.030714 653.17123l359.864462 0L500.895177 939.15666z'
                ];
                var colors = [
                    '#c4332b', '#16B644', '#6862FD', '#FDC763'
                ];

                function getVirtulData(year) {
                    year = year || '2017';
                    var date = +echarts.number.parseDate(year + '-01-01');
                    var end = +echarts.number.parseDate((+year + 1) + '-01-01');
                    var dayTime = 3600 * 24 * 1000;
                    var data = [];
                    for (var time = date; time < end; time += dayTime) {
                        var items = [];
                        var eventCount = Math.round(Math.random() * pathes.length);
                        for (var i = 0; i < eventCount; i++) {
                            items.push(Math.round(Math.random() * (pathes.length - 1)));
                        }
                        data.push([
                            echarts.format.formatTime('yyyy-MM-dd', time),
                            items.join('|')
                        ]);
                    }
                    return data;
                }

                function renderItem(params, api) {
                    var cellPoint = api.coord(api.value(0));
                    var cellWidth = params.coordSys.cellWidth;
                    var cellHeight = params.coordSys.cellHeight;

                    var value = api.value(1);
                    var events = value && value.split('|');

                    if (isNaN(cellPoint[0]) || isNaN(cellPoint[1])) {
                        return;
                    }

                    if (!events) {
                        return {
                            type: 'image',
                            style: {
                                image: './data/hill-Qomolangma.png',
                                x: cellPoint[0] - cellWidth / 2 + 10,
                                y: cellPoint[1] - cellHeight / 2 + 10,
                                width: cellWidth - 20,
                                height: cellHeight - 20,
                                opacity: 0.7
                            }
                        };
                    }

                    var group = {
                        type: 'group',
                        children: echarts.util.map(layouts[events.length - 1], function (itemLayout, index) {
                            return {
                                type: 'path',
                                shape: {
                                    pathData: pathes[events[index]],
                                    x: -8,
                                    y: -8,
                                    width: 16,
                                    height: 16
                                },
                                position: [
                                    cellPoint[0] + echarts.number.linearMap(itemLayout[0], [-0.5, 0.5], [-cellWidth / 2, cellWidth / 2]),
                                    cellPoint[1] + echarts.number.linearMap(itemLayout[1], [-0.5, 0.5], [-cellHeight / 2 + 20, cellHeight / 2])
                                ],
                                style: api.style({
                                    fill: colors[events[index]]
                                })
                            };
                        }) || []
                    };

                    group.children.push({
                        type: 'text',
                        style: {
                            x: cellPoint[0],
                            y: cellPoint[1] - cellHeight / 2 + 15,
                            text: echarts.format.formatTime('dd', api.value(0)),
                            fill: '#777',
                            textFont: api.font({fontSize: 14})
                        }
                    });

                    return group;
                }

                var option = {
                    tooltip: {
                    },
                    calendar: [{
                        left: 'center',
                        top: 'middle',
                        cellSize: [70, 70],
                        yearLabel: {show: false},
                        orient: 'vertical',
                        dayLabel: {
                            firstDay: 1,
                            nameMap: 'cn'
                        },
                        monthLabel: {
                            show: false
                        },
                        range: '2017-03'
                    }],
                    series: [{
                        type: 'custom',
                        coordinateSystem: 'calendar',
                        renderItem: renderItem,
                        dimensions: [null, {type: 'ordinal'}],
                        data: getVirtulData(2017)
                    }]
                };

                testHelper.createChart(echarts, 'calendar', option);
            });
        </script>


        <script>
            require([
                'echarts'
                // 'echarts/chart/custom',
                // 'echarts/chart/bar',
                // 'echarts/component/legend',
                // 'echarts/component/tooltip',
                // 'echarts/component/visualMap',
                // 'echarts/component/dataZoom',
                // 'zrender/vml/vml'
            ], function (echarts) {

                var textData = [];
                var imageData = [];
                var pathData = [];
                var dataCount = 30;
                var words = ['echarts', 'good morning', '易查词', '自定义文字'];

                for (var i = 0; i < dataCount; i++) {
                    var val = Math.random() * 1000;
                    textData.push([Math.random(), Math.random(), words[Math.round(Math.random() * (words.length - 1))]]);
                    var imagePoint = [Math.random(), Math.random()];
                    imageData.push([
                        imagePoint[0], imagePoint[1],
                        imagePoint[0] + Math.random() / 20, imagePoint[1] + Math.random() / 20
                    ]);
                    var pathPoint = [Math.random(), Math.random()];
                    pathData.push([pathPoint[0], pathPoint[1]]);
                }

                function renderItemText(params, api) {
                    var point = api.coord([api.value(0), api.value(1)]);

                    return {
                        type: 'text',
                        style: {
                            text: api.value(2),
                            x: point[0],
                            y: point[1]
                        }
                    };
                }

                function renderItemImage(params, api) {
                    var leftTop = api.coord([api.value(0), api.value(1)]);
                    var rightBottom = api.coord([api.value(2), api.value(3)]);

                    return {
                        type: 'image',
                        style: {
                            image: './data/hill-Qomolangma.png',
                            x: leftTop[0],
                            y: leftTop[1],
                            width: rightBottom[0] - leftTop[0],
                            height: rightBottom[1] - leftTop[1]
                        }
                    };
                }

                function renderItemPath(params, api) {
                    return {
                        type: 'path',
                        shape: {
                            pathData: 'M936.857805 523.431322c0 0-42.065715-68.89513-88.786739-68.89513-46.68416 0-95.732122 71.223091-95.732122 71.223091s-44.28544-72.503296-93.440922-71.152538c-35.565466 0.977306-62.89705 30.882406-79.124275 64.06615L579.773747 790.800797c-3.253248 37.391565-5.677568 50.904371-12.002816 69.63497-6.651802 19.698688-19.544883 35.227341-31.650099 45.909606-14.30231 12.621414-29.59831 22.066586-45.854208 27.424563-16.28969 5.362074-30.098739 6.496973-51.536794 6.496973-19.498906 0-36.95104-2.963456-52.395418-8.850534-15.410586-5.887078-28.420403-14.313984-39.034573-25.246003-10.613146-10.930995-18.757939-24.08151-24.435507-39.525171-5.676544-15.443763-8.532685-40.195482-8.532685-59.270963l0-26.232454 74.435273 0c0 24.644301-0.17705 64.452915 8.81408 77.006848 9.02697 12.515021 22.756147 18.092032 41.148826 18.791014 16.728678 0.636518 30.032179-8.061645 30.032179-8.061645s11.922022-10.5472 14.992077-19.756954c2.674995-8.025805 3.565363-22.180147 3.565363-22.180147s2.080461-21.789286 2.080461-34.234675L489.399906 514.299369c-16.678502-18.827776-43.801395-61.938688-82.756096-60.927693-54.699008 1.419366-100.422144 70.059622-100.422144 70.059622s-56.065126-70.059622-93.440922-70.059622c-37.376717 0-91.077939 70.059622-91.077939 70.059622S105.343488 156.737741 476.742042 119.363584l53.70327-74.714624 51.373056 74.714624C964.889395 142.740992 936.857805 523.431322 936.857805 523.431322z',
                            x: -10,
                            y: -10,
                            width: 20,
                            height: 20
                        },
                        position: api.coord([api.value(0), api.value(1)]),
                        style: api.style()
                    };
                }

                var option = {
                    tooltip: {
                        trigger: 'axis'
                    },
                    legend: {
                        data: ['text', 'image', 'path']
                    },
                    dataZoom: [{
                        type: 'slider',
                        filterMode: 'weakFilter',
                        start: 50,
                        end: 70
                    }, {
                        type: 'inside',
                        filterMode: 'weakFilter',
                        start: 50,
                        end: 70
                    }],
                    xAxis: {},
                    yAxis: {},
                    series: [{
                        type: 'custom',
                        name: 'text',
                        data: textData,
                        dimensions: [null, null, {type: 'ordinal'}],
                        renderItem: renderItemText
                    }, {
                        type: 'custom',
                        name: 'image',
                        data: imageData,
                        encode: {
                            x: [0, 2],
                            y: [1, 3]
                        },
                        renderItem: renderItemImage
                    }, {
                        type: 'custom',
                        name: 'path',
                        data: pathData,
                        renderItem: renderItemPath
                    }]
                };

                testHelper.createChart(echarts, 'text-image-update', option);
            });
        </script>


        <script>
            require([
                'echarts'
                // 'echarts/chart/custom',
                // 'echarts/component/polar',
                // 'echarts/component/legend',
                // 'echarts/component/tooltip',
                // 'echarts/component/visualMap',
                // 'echarts/component/dataZoom',
                // 'zrender/vml/vml'
            ], function (echarts) {

                function renderItem(params, api) {
                    var values = [api.value(0), api.value(1)];
                    var coord = api.coord(values);
                    var size = api.size([1, 1], values);
                    return {
                        type: 'sector',
                        shape: {
                            cx: params.coordSys.cx,
                            cy: params.coordSys.cy,
                            r0: coord[2] - size[0] / 2,
                            r: coord[2] + size[0] / 2,
                            startAngle: coord[3] - size[1] / 2,
                            endAngle: coord[3] + size[1] / 2
                        },
                        style: api.style({
                            fill: api.visual('color')
                        })
                    };
                }

                var hours = ['12a', '1a', '2a', '3a', '4a', '5a', '6a',
                        '7a', '8a', '9a','10a','11a',
                        '12p', '1p', '2p', '3p', '4p', '5p',
                        '6p', '7p', '8p', '9p', '10p', '11p'];
                var days = ['Saturday', 'Friday', 'Thursday',
                        'Wednesday', 'Tuesday', 'Monday', 'Sunday'];

                var data = [[0,0,5],[0,1,1],[0,2,0],[0,3,0],[0,4,0],[0,5,0],[0,6,0],[0,7,0],[0,8,0],[0,9,0],[0,10,0],[0,11,2],[0,12,4],[0,13,1],[0,14,1],[0,15,3],[0,16,4],[0,17,6],[0,18,4],[0,19,4],[0,20,3],[0,21,3],[0,22,2],[0,23,5],[1,0,7],[1,1,0],[1,2,0],[1,3,0],[1,4,0],[1,5,0],[1,6,0],[1,7,0],[1,8,0],[1,9,0],[1,10,5],[1,11,2],[1,12,2],[1,13,6],[1,14,9],[1,15,11],[1,16,6],[1,17,7],[1,18,8],[1,19,12],[1,20,5],[1,21,5],[1,22,7],[1,23,2],[2,0,1],[2,1,1],[2,2,0],[2,3,0],[2,4,0],[2,5,0],[2,6,0],[2,7,0],[2,8,0],[2,9,0],[2,10,3],[2,11,2],[2,12,1],[2,13,9],[2,14,8],[2,15,10],[2,16,6],[2,17,5],[2,18,5],[2,19,5],[2,20,7],[2,21,4],[2,22,2],[2,23,4],[3,0,7],[3,1,3],[3,2,0],[3,3,0],[3,4,0],[3,5,0],[3,6,0],[3,7,0],[3,8,1],[3,9,0],[3,10,5],[3,11,4],[3,12,7],[3,13,14],[3,14,13],[3,15,12],[3,16,9],[3,17,5],[3,18,5],[3,19,10],[3,20,6],[3,21,4],[3,22,4],[3,23,1],[4,0,1],[4,1,3],[4,2,0],[4,3,0],[4,4,0],[4,5,1],[4,6,0],[4,7,0],[4,8,0],[4,9,2],[4,10,4],[4,11,4],[4,12,2],[4,13,4],[4,14,4],[4,15,14],[4,16,12],[4,17,1],[4,18,8],[4,19,5],[4,20,3],[4,21,7],[4,22,3],[4,23,0],[5,0,2],[5,1,1],[5,2,0],[5,3,3],[5,4,0],[5,5,0],[5,6,0],[5,7,0],[5,8,2],[5,9,0],[5,10,4],[5,11,1],[5,12,5],[5,13,10],[5,14,5],[5,15,7],[5,16,11],[5,17,6],[5,18,0],[5,19,5],[5,20,3],[5,21,4],[5,22,2],[5,23,0],[6,0,1],[6,1,0],[6,2,0],[6,3,0],[6,4,0],[6,5,0],[6,6,0],[6,7,0],[6,8,0],[6,9,0],[6,10,1],[6,11,0],[6,12,2],[6,13,1],[6,14,3],[6,15,4],[6,16,0],[6,17,0],[6,18,0],[6,19,0],[6,20,1],[6,21,2],[6,22,2],[6,23,6]];
                var maxValue = echarts.util.reduce(data, function (max, item) {
                    return Math.max(max, item[2]);
                }, -Infinity);

                option = {
                    legend: {
                        data: ['Punch Card']
                    },
                    polar: {},
                    tooltip: {
                    },
                    animation: false,
                    dataZoom: {
                        type: 'slider',
                        radiusAxisIndex: 0
                    },
                    visualMap: {
                        type: 'continuous',
                        min: 0,
                        max: maxValue,
                        dimension: 2,
                        calculable: true
                    },
                    angleAxis: {
                        type: 'category',
                        data: hours,
                        boundaryGap: false,
                        splitLine: {
                            show: true,
                            lineStyle: {
                                color: '#ddd',
                                type: 'dashed'
                            }
                        },
                        axisLine: {
                            show: false
                        }
                    },
                    radiusAxis: {
                        type: 'category',
                        data: days,
                        axisLabel: {
                            rotate: 45
                        },
                        z: 100
                    },
                    series: [{
                        name: 'Punch Card',
                        type: 'custom',
                        coordinateSystem: 'polar',
                        itemStyle: {
                            normal: {
                                color: '#d14a61'
                            }
                        },
                        renderItem: renderItem,
                        data: data
                    }]
                };

                testHelper.createChart(echarts, 'polar-block', option);
            });
        </script>


        <script>
            require([
                'echarts'
                // 'echarts/chart/custom',
                // 'echarts/component/polar',
                // 'echarts/component/legend',
                // 'echarts/component/tooltip',
                // 'echarts/component/visualMap',
                // 'echarts/component/dataZoom',
                // 'zrender/vml/vml'
            ], function (echarts) {

                var data = [
                    {name:'广州', value: 50},
                    {name:'深圳', value: 72},
                    {name:'珠海', value: 30},
                    {name:'佛山', value: 38},
                    {name:'杭州', value: 42},
                    {name:'舟山', value: 32},
                    {name:'宁波', value: 52}
                ];

                var option = {
                    tooltip : {
                        trigger: 'item'
                    },
                    legend: {
                        data:['广州','深圳','珠海','佛山','杭州','舟山','宁波'],
                        top: 0,
                        left: 'center'
                    },
                    xAxis : [
                        {
                            type : 'category',
                            data : [0],
                            axisTick: {show: false},
                            axisLabel: {show: false}
                        },
                    ],
                    yAxis : [
                        {
                            type : 'value'
                        }
                    ],
                    series : echarts.util.map(data, function (item) {
                        return {
                            name: item.name,
                            type: 'bar',
                            label: {
                                normal: {
                                    show: true,
                                    position: 'bottom',
                                    formatter: function (param) {
                                        return param.seriesName;
                                    }
                                }
                            },
                            data: [item.value]
                        }
                    }).concat([{
                        type: 'custom',
                        renderItem: renderProvinceName,
                        data: [0]
                    }])
                };

                function renderProvinceName(param, api) {
                    var currentSeriesIndices = api.currentSeriesIndices();
                    currentSeriesIndices.pop(); // remove custom series;

                    var barLayout = api.barLayout({
                        count: currentSeriesIndices.length
                    });

                    var nameTexts = echarts.util.map(currentSeriesIndices, function (serIdx, index) {
                        var point = api.coord([0, 0]);
                        point[0] += barLayout[index].offsetCenter;
                        point[1] = api.getHeight() - 20;

                        return {
                            position: point,
                            name: serIdx,
                            type: 'circle',
                            shape: {
                                cx: 0, cy: 0, r: 10
                            },
                            style: {
                                text: serIdx,
                                fill: '#333',
                                textFill: '#eee',
                                stroke: null
                            }
                        };
                    });

                    return {
                        type: 'group',
                        $mergeChildren: 'byName',
                        children: nameTexts
                    };
                }

                testHelper.createChart(echarts, 'diff-children-by-name', option);
            });
        </script>


    </body>
</html>