githubmirror/echarts

test/logScale.html
440 строк15 KB
100pah
fix: Fix and clarify the definition of axis.`startValue`.
30 мар 2026, 15:04
30 мар 2026, 15:0456f6dc3

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<html>
    <head>
        <meta charset='utf-8'>
        <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="lib/canteen.js"></script> -->
        <!-- <script src="lib/draggable.js"></script> -->
        <link rel="stylesheet" href="lib/reset.css" />
    </head>
    <body>
        <style>
        </style>

        <div id='main0'></div>
        <div id='main1'></div>
        <div id='main2_negative'></div>
        <div id='main_small_values'></div>
        <div id='main3'></div>
        <div id='main_singleAxis_dataZoom'></div>


        <script>

            require([
                'echarts'
            ], function (echarts) {
                var option = {
                    title: {
                        text: '对数轴示例',
                        x: 'center'
                    },
                    tooltip: {
                        trigger: 'item',
                        formatter: '{a} <br/>{b} : {c}'
                    },
                    legend: {
                        left: 'left',
                        //data: ['2的指数', '3的指数']
                    },
                        xAxis: [{
                        type: 'category',
                        name: 'x',
                        splitLine: {show: false},
                        data: ['一', '二', '三', '四', '五', '六', '七', '八', '九']
                    }],
                    yAxis: [{
                        type: 'log',
                        name: 'y',
                        scale: false
                    }],
                    series: [
                    {
                        name: '3的指数',
                        type: 'line',
                        data: [1, 3, 9, 27, 81, 247, 741, 2223, 6669]
                    },
                    {
                        name: '2的指数',
                        type: 'line',
                        data: [1, 2, 4, 8, 16, 32, 64, 128, 256]
                    },
                    {
                        name: '0.1 的指数',
                        type: 'line',
                        data: [1, 0.1, 0.01, 1e-3, 1e-4, 1e-5, 1e-6, 1e-7, 1e-8]
                    }]
                };

                var chart = testHelper.create(echarts, 'main0', {
                    title: [
                        'log test 1',
                    ],
                    option: option,
                });


            });

        </script>


        <script>

            require([
                'echarts'
            ], function (echarts) {
                // See #13154
                var option = {
                    xAxis: {
                        type: 'value',
                    },
                    yAxis: {
                        type: 'log',
                        logBase: 2,
                    },
                    series: [
                        {
                            type: 'scatter',
                            itemStyle: {
                                color: 'red',
                            },
                            data: [
                                [1, .5],
                            ],
                        },
                    ],
                };

                var chart = testHelper.create(echarts, 'main1', {
                    title: [
                        'log test 2',
                    ],
                    option: option,
                });


            });

        </script>



        <script>


            require([
                'echarts',
            ], function (echarts /*, data */) {

                const _ctx = {
                    yAxisMin: undefined,
                    lineConnectNulls: undefined,
                };

                function makeSeriesOption(seriesType, data) {
                    return {
                        type: seriesType,
                        symbolSize: 10,
                        name: [
                            seriesType,
                            seriesType === 'line' ? ` connectNulls: ${_ctx.lineConnectNulls};` : '',
                            ` dataY: ${data.map(function (item) { return item[1]; }).join(', ')}`
                        ].join(''),
                        data: data,
                        connectNulls: _ctx.lineConnectNulls,
                    };
                }

                function makeOption() {
                    return {
                        legend: {
                        },
                        tooltip: {},
                        xAxis: [
                            {
                                id: 0,
                                nameMoveOverlap: true,
                                nameLocation: 'middle',
                                axisLine: {onZero: false},
                                position: ['bottom', 'top']
                            }
                        ],
                        yAxis: [
                            {
                                id: 0,
                                name: 'yAxis is log',
                                type: 'log',
                                min: _ctx.yAxisMin,
                                nameMoveOverlap: true,
                                nameLocation: 'middle',
                                axisLine: {onZero: false},
                                position: ['left', 'right']
                            }
                        ],
                        grid: [
                            {
                                left: 100,
                                right: 10,
                                top: 30,
                                bottom: 120,
                                show: true,
                            }
                        ],
                        series: [
                            makeSeriesOption('scatter', [
                                [-50, 0], [-50, 1219212121]
                            ]),
                            makeSeriesOption('scatter', [
                                [10000000000, -832],
                                [55555550000, 31133232233]
                            ]),
                            makeSeriesOption('line', [
                                [15555550000, 461293242],
                                [20555550000, 581293242],
                                [25000000000, -111832],
                                [30555550000, 719293242],
                                [35555550000, 519293242]
                            ]),
                            makeSeriesOption('line', [
                                [15555550000, 251293242],
                                [20555550000, 231293242],
                                [25000000000, 0],
                                [30555550000, 319293242],
                                [35555550000, 219293242]
                            ]),
                        ]
                    };
                }

                var chart = testHelper.create(echarts, 'main2_negative', {
                    title: [
                        'yAxis: non-positive points should be ignored; others are displayed.',
                        'yAxis extent should exclude the non-positive values.',
                        'When yAxis.min is non-positive, can show a defaults effect, but should be recoverable.',
                        'When yAxis.min is "dataMin", non-positive values should be ignored.',
                        'Check connectNulls.',
                    ],
                    option: makeOption(),
                    inputStyle: 'compact',
                    inputs: [{
                        text: 'yAxis min:',
                        type: 'select',
                        values: [_ctx.yAxisMin, -1000000, 0, 'dataMin', 2000000],
                        onchange: function () {
                            _ctx.yAxisMin = this.value;
                            chart.setOption(makeOption());
                        }
                    }, {
                        text: 'line connectNulls:',
                        type: 'select',
                        values: [_ctx.lineConnectNulls, false, true],
                        onchange: function () {
                            _ctx.lineConnectNulls = this.value;
                            chart.setOption(makeOption());
                        }
                    }]
                });

            });


        </script>

        <script>

            require([
                'echarts'
            ], function (echarts) {

                function genData(exponent) {
                    return [
                        [0.00001782501876267492, `1.6783442046243093e${-9 + exponent}`],
                        [0.20000000000000004, `1.5239855205892977e${-13 + exponent}`],
                        [0.3097633237824966, `9.94535044331967e${-14 + exponent}`],
                        [1, `2.966552224094815e${-19 + exponent}`],
                        // [10, `1.6783442046243093e${-9 + exponent}`],
                        // [100, `1.5239855205892977e${-13 + exponent}`]
                    ];
                }

                option = {
                    style: {
                        height: '100%',
                        width: '100%'
                    },
                    tooltip: {},
                    grid: [
                        {
                        containLabel: true
                        }
                    ],
                    yAxis: [
                        {
                            type: 'log',
                            logBase: 10,
                            axisLabel: {
                                formatter: function (value) {
                                    return value.toExponential(0);
                                }
                            }
                        }
                    ],
                    xAxis: [
                        {
                            // type: 'log',
                            // logBase: 10
                        }
                    ],
                    series: [
                        {
                            data: genData(0),
                            type: 'line',
                            // showSymbol: false
                        }
                    ]
                };

                var chart = testHelper.create(echarts, 'main_small_values', {
                    title: [
                        'test small values',
                    ],
                    option: option,
                    inputs: [
                        {
                            type: 'select',
                            text: 'exponent:',
                            values: [0, -9, -19, -50],
                            onchange: function () {
                                chart.setOption({
                                    series: [{
                                        data: genData(this.value)
                                    }]
                                });
                            }
                        },
                    ]
                });


            });

        </script>

        <script>

            require([
                'echarts',
            ], function (echarts) {

                option = {
                    xAxis: {
                        data: ['2017-10-24', '2017-10-25', '2017-10-26', '2017-10-27']
                    },
                    yAxis: {
                        type: 'log',
                    },
                    legend: {},
                    series: [{
                        name: 'A',
                        type: 'candlestick',
                        data: [
                            ['0.000000000012', '0.000000000034', '0.000000000010', '0.000000000038'],
                            ['0.000000000032', '0.000000000054', '0.000000000015', '0.000000000058']
                        ]
                    }]
                };

                var chart = testHelper.create(echarts, 'main3', {
                    title: [
                        'boxplot in LogScale'
                    ],
                    option: option,
                });
            });
        </script>


        <script>

            require([
                'echarts',
            ], function (echarts) {

                var data2 = [];
                for (var i = 0; i < 12; i++) {
                    data2.push([Math.random() * (i % 2 === 0 ? 100 : 1000000), Math.random() * 30]);
                }

                option = {
                    tooltip: {
                        trigger: 'axis'
                    },
                    dataZoom: [{
                        type: 'inside',
                        singleAxisIndex: [0]
                    }, {
                        type: 'slider',
                        singleAxisIndex: [0]
                    }],
                    singleAxis: [{
                        type: 'log',
                        id: 'c',
                        bottom: 80,
                        axisPointer: {
                            snap: false,
                            label: {
                                show: true
                            }
                        },
                        splitArea: {
                            show: true
                        },
                    }],
                    series: {
                        type: 'scatter',
                        coordinateSystem: 'singleAxis',
                        singleAxisId: 'c',
                        symbolSize: function (val) {
                            return val[1];
                        },
                        data: data2
                    }
                };

                var chart = testHelper.create(echarts, 'main_singleAxis_dataZoom', {
                    title: [
                        'singleAxis log with dataZoom',
                        'min/max precision should be proper after zooming',
                    ],
                    height: 300,
                    option: option,
                });
            });
        </script>


    </body>
</html>