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<html>
    <head>
        <meta charset="utf-8">
        <title>calendar</title>
        <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>
    </head>
    <body>
        <style>
            html, body, #main {
                width: 100%;
                height: 100%;
            }
        </style>
        <h2>Test: set system timezone as "Time Zone: America/Toronto", everything should be correct.</h2>
        <div id="main"></div>
        <script>


            var getVirtulData =  function(year) {

                year = year || '2017';

                var datas = [];

                var arr31 = [1, 3, 5, 7, 8, 10, 12];
                var arr30 = [4, 6, 9, 11];
                for (var i = 1; i <= 31; i++) {
                    for (var j = arr31.length - 1; j >= 0; j--) {
                        datas.push([year + '-' + arr31[j] + '-' + i, Math.floor(Math.random() * 1000)]);
                    }
                }
                for (var i = 1; i <= 30; i++) {
                    for (var j = arr30.length - 1; j >= 0; j--) {
                        datas.push([year + '-' + arr30[j] + '-' + i, Math.floor(Math.random() * 1000)]);
                    }
                }
                for (var i = 1; i <= 29; i++) {
                    datas.push([year + '-2-' + i, Math.floor(Math.random() * 1000)]);
                }
                return datas;
            }
            require(['echarts'], function (echarts) {

                var chart = echarts.init(document.getElementById('main'));

                chart.setOption({
                    tooltip: {
                        position: 'top'
                    },
                    visualMap: {
                        type: 'piecewise',
                        min: 0,
                        max: 1000,
                        seriesIndex: 1,
                        calculable: true,
                        orient: 'horizontal',
                        left: 'center',
                        top: 500
                    },
                    calendar: [{
                        range: '2016'
                    },
                    {
                        top: 300,
                        range: '2017'
                    }],
                    series: [{
                        type: 'scatter',
                        coordinateSystem: 'calendar',
                        calendarIndex: 0,
                        symbolSize: function (val) {
                            return val[1] / 100;
                        },
                        data: getVirtulData(2016)
                    },{
                        type: 'heatmap',
                        calendarIndex: 1,
                        coordinateSystem: 'calendar',
                        data: getVirtulData(2017)
                    }]

                });

                $(window).resize(function() {
                    chart.resize();
                });
            });
        </script>
    </body>
</html>