xmnk
/
wkshi


			
				
					
						
						
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							<html>
    <head>
        <meta charset="utf-8">
        <meta name="viewport" content="width=device-width, initial-scale=1" />
        <script src="lib/esl.js"></script>
        <script src="lib/config.js"></script>
        <script src="lib/jquery.min.js"></script>
        <script src="lib/facePrint.js"></script>
    </head>
    <body>
        <style>
            html, body, #main {
                width: 100%;
                height: 100%;
                margin: 0;
            }
        </style>
        <div id="main"></div>
        <script>

            var lngRange = [79.781327, 131.48];
            var lngExtent = lngRange[1] - lngRange[0];
            var latRange = [18.252847, 52.33];
            var latExtent = latRange[1] - latRange[0];
            var chunkMax = 100;
            var chunkCount = 0;

            function genData(count) {
                var data = [];
                for (var i = 0; i < count; i++) {
                    data.push([
                        Math.random() * lngExtent + lngRange[0],
                        Math.random() * latExtent + latRange[0],
                        Math.random() * 1000
                    ]);
                }
                return data;
            }

            var initData = genData(2001);

            require([
                'echarts'
                // 'echarts/chart/map',
                // 'echarts/chart/scatter',
                // 'echarts/component/title',
                // 'echarts/component/legend',
                // 'echarts/component/geo',
                // 'echarts/component/visualMap',
                // 'echarts/component/markPoint',
                // 'echarts/component/tooltip'
            ], function (echarts) {

                require(['map/js/china'], function () {
                    var chart = echarts.init(document.getElementById('main'));

                    chart.setOption({
                        tooltip: {},
                        legend: {
                            orient: 'vertical',
                            left: 'left',
                            data:['categoryA','categoryB','categoryC']
                        },
                        // ???
                        // visualMap: {
                        //     min: 0,
                        //     max: 1500,
                        //     left: 'left',
                        //     top: 'bottom',
                        //     text: ['High','Low'],
                        //     seriesIndex: [1, 2, 3],
                        //     inRange: {
                        //         color: ['#006edd', '#e0ffff']
                        //     },
                        //     calculable : true
                        // },
                        geo: {
                            map: 'china',
                            roam: true,
                            label: {
                                normal: {
                                    show: true,
                                    textStyle: {
                                        color: 'rgba(0,0,0,0.4)'
                                    }
                                }
                            },
                            itemStyle: {
                                normal:{
                                    borderColor: 'rgba(0, 0, 0, 0.2)'
                                },
                                emphasis:{
                                    color: null,
                                    areaColor: null,
                                    shadowOffsetX: 0,
                                    shadowOffsetY: 0,
                                    shadowBlur: 20,
                                    borderWidth: 0,
                                    shadowColor: 'rgba(0, 0, 0, 0.5)'
                                }
                            }
                        },
                        series : [{
                            name: 'pm2.5',
                            type: 'scatter',
                            stream: true,
                            coordinateSystem: 'geo',
                            data: initData,
                            symbolSize: 4,
                            // symbol: 'rect',
                            itemStyle: {
                                normal: {
                                    // color: '#ddb926'
                                    color: '#dda'
                                }
                            },
                            progressive: 100
                        }]
                    });

                    chart.on('click', function (param) {
                        alert('asdf');
                    });

                    next();

                    function next() {
                        if (chunkCount++ < chunkMax) {
                            var newData = genData(1000);
                            chart.appendData({seriesIndex: 0, data: newData});
                            setTimeout(next, 1000);
                        }
                    }

                });
            });

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