clip.html


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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/facePrint.js"></script>
        <script src="lib/testHelper.js"></script>
        <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>

        <div class="chart" id="scatter-clip-cartesian"></div>
        <div class="chart" id="scatter-clip-polar"></div>
        <!-- <h1>Scatter Clip with Incremental Rendering</h1>
        <div class="chart" id="scatter-clip-incremental"></div> -->
        <div class="chart" id="large-scatter-clip"></div>
        <div class="chart" id="scatter-clip-polar"></div>

        <h1>Lines</h1>
        <div class="chart" id="lines-clip"></div>
        <h1>Bar</h1>
        <div class="chart" id="bar-clip"></div>

        <script>
            function makeToggleChartButtons(toggleClip) {
                return  [{
                    text: 'Set Clip',
                    onclick: function () {
                        toggleClip(true);
                    }
                }, {
                    text: 'Set Visible',
                    onclick: function () {
                        toggleClip(false);
                    }
                }];
            }
        </script>

        <script>
            require([
                'echarts'
            ], function (echarts) {
                var option = {
                    xAxis: {},
                    yAxis: {
                        min: 5,
                        max: 10
                    },
                    series: [{
                        symbolSize: 20,
                        data: [
                            [10.0, 8.04],
                            [8.0, 6.95],
                            [13.0, 7.58],
                            [9.0, 8.81],
                            [11.0, 8.33],
                            [14.0, 9.96],
                            [6.0, 7.24],
                            [4.0, 4.26],
                            [12.0, 10.84],
                            [7.0, 4.82],
                            [5.0, 5.68]
                        ],
                        type: 'scatter'
                    }]
                };
                var chart = testHelper.create(echarts, 'scatter-clip-cartesian', {
                    title: 'Scatter Clip on Cartesian',
                    option: option,
                    height: 400,
                    buttons: makeToggleChartButtons(function (clip) {
                        chart.setOption({
                            series: [{
                                clip: clip
                            }]
                        })
                    })
                });
            })
        </script>


        <script>
            require([
                'echarts'
            ], function (echarts) {
                var data1 = [];

                for (var i = 0; i < 100; i++) {
                    data1.push([Math.random() * 10, Math.random() * 360]);
                }

                var option = {
                    polar: {},
                    angleAxis: {
                        type: 'value',
                        min: 50,
                        max: 180
                    },
                    radiusAxis: {
                        axisAngle: 0,
                        min: 0,
                        max: 5
                    },
                    series: [{
                        coordinateSystem: 'polar',
                        name: 'scatter',
                        type: 'scatter',
                        symbolSize: 10,
                        data: data1
                    }]
                };
                var chart = testHelper.create(echarts, 'scatter-clip-polar', {
                    title: 'Scatter Clip on Polar',
                    option: option,
                    height: 400,
                    buttons: makeToggleChartButtons(function (clip) {
                        chart.setOption({
                            series: [{
                                clip: clip
                            }]
                        })
                    })
                });
            })
        </script>


        <script>
            require([
                'echarts'
            ], function (echarts) {
                // Standard Normal variate using Box-Muller transform.
                function rand() {
                    var u = 0, v = 0;
                    while(u === 0) u = Math.random(); //Converting [0,1) to (0,1)
                    while(v === 0) v = Math.random();
                    return Math.sqrt(-2.0 * Math.log( u )) * Math.cos(2.0 * Math.PI * v);
                }

                var data = [];

                for (let i = 0; i < 1e4; i++) {
                    data.push([
                        rand(),
                        rand()
                    ]);
                }
                var option = {
                    xAxis: {
                        type: 'value',
                        min: -2,
                        max: 2
                    },
                    yAxis: {
                        type: 'value',
                        min: -2,
                        max: 2
                    },
                    series: [{
                        symbolSize: 2,
                        large: true,
                        data: data,
                        symbol: 'rect',
                        type: 'scatter'
                    }]
                };
                var chart = testHelper.create(echarts, 'large-scatter-clip', {
                    title: 'Large Scatter Clip',
                    option: option,
                    height: 400,
                    buttons: makeToggleChartButtons(function (clip) {
                        chart.setOption({
                            series: [{
                                clip: clip
                            }]
                        })
                    }).concat([{
                        text: 'Set Large',
                        onclick: function () {
                            chart.setOption({
                                series: [{
                                    large: true,
                                    progressive: 0
                                }]
                            })
                        }
                    }, {
                        text: 'Set Stream',
                        onclick: function () {
                            chart.setOption({
                                series: [{
                                    large: false,
                                    progressive: 2000
                                }]
                            })
                        }

                    }])
                });
            })
        </script>

    </body>
</html>