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<html>
    <head>
        <meta charset="utf-8">
        <meta name="viewport" content="width=device-width, initial-scale=1" />
        <link rel="stylesheet" href="lib/reset.css" />
        <script src="lib/simpleRequire.js"></script>
        <script src="lib/config.js"></script>
        <script src="lib/jquery.min.js"></script>
        <script src="lib/facePrint.js"></script>
        <script src="lib/testHelper.js"></script>
        <script src="https://api.map.baidu.com/api?v=3.0&ak=KOmVjPVUAey1G2E8zNhPiuQ6QiEmAwZu&__ec_v__=20200330"></script>
        <!-- <script src="https://www.echartsjs.com/examples/vendors/echarts/extension/bmap.js?_ec_v__=20200330"></script> -->
    </head>
    <body>
        <div id="main0"></div>
        <div id="main1"></div>

        <script>
            require([
                'echarts', 'extension/bmap'
            ], function (echarts) {
                var symbolIcon = 'data:image/png;base64,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';
                var option = {
                    bmap: {
                        center: [116, 31],
                        zoom: 7,
                        roam: true
                    },
                    series: [{
                        coordinateSystem: 'bmap',
                        symbol: 'image://' + symbolIcon,
                        symbolSize: [15, 30],
                        symbolRotate: function(value, params) {
                            return -value[2]
                        },
                        label: {
                            show: true,
                            position: 'top',
                            distance: 15,
                            formatter: function(params) {
                                return params.name + '(' + params.value[2] + 'deg)'
                            },
                            verticalAlign: 'middle',
                            align: 'center',
                            borderWidth: 1.25,
                            borderRadius: 2,
                            borderColor: '#14c4ba',
                            backgroundColor: '#fff',
                            padding: [5, 8, 3, 8],
                            color: '#000'
                        },
                        data: [
                            {
                                name: 'car1',
                                value: [121.15, 31.89, 30]
                            },
                            {
                                name: 'car2',
                                value: [117.781327, 32.608266, 120]
                            },
                            {
                                name: 'car3',
                                value: [117.5, 30.608266, 90]
                            },
                            {
                                name: 'car4',
                                value: [115.5, 30.2, 180]
                            }
                        ],
                        encode: {
                            value: 2
                        },
                        type: 'scatter'
                    }]
                };

                var series = {
                    name: 'Original',
                    type: 'scatter',
                    symbol: 'circle',
                    data: (function() {
                        function random(max) {
                            return +(Math.random() * max).toFixed(3);
                        }
                        var seriesData = [];
                        for (var i = 0; i < 20; i++) {
                            seriesData.push([random(10), random(10), random(20)]);
                        }
                        return seriesData;
                    })()
                };

                var option2 = {
                    legend: {},
                    xAxis: {},
                    yAxis: {},
                    tooltip: {
                        formatter: function(params) {
                            return params.marker + params.seriesName
                                + (params.seriesName === 'Offset' ? '<br/>offset: ' + params.value[2] : '');
                        }
                    },
                    series: [
                        series,
                        Object.assign({}, series, {
                            name: 'Offset',
                            symbol: 'circle',
                            // symbolOffset: 20,
                            symbolOffset: function(data) {
                                return data[2]
                            }
                        })
                    ]
                };

                var chart = testHelper.create(echarts, 'main0', {
                    title: 'Rotates the symbol as we need',
                    option: option
                });
                var chart2 = testHelper.create(echarts, 'main1', {
                    title: 'Symbol should have various offset',
                    option: option2
                });
            });
        </script>

    </body>
</html>